PackageManagerService.java revision 377ea31c43afe02d452fe462b2b09f23e58d6347 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server.pm;
18
19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS;
20import static android.Manifest.permission.READ_EXTERNAL_STORAGE;
21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT;
22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED;
24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER;
25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED;
26import static android.content.pm.PackageManager.INSTALL_EXTERNAL;
27import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
28import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER;
29import static android.content.pm.PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE;
30import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT;
31import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE;
32import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION;
33import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
34import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
35import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK;
36import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
37import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY;
38import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED;
39import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE;
40import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE;
41import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY;
42import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED;
43import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE;
44import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED;
45import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK;
46import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES;
47import static android.content.pm.PackageParser.isApkFile;
48import static android.os.Process.PACKAGE_INFO_GID;
49import static android.os.Process.SYSTEM_UID;
50import static android.system.OsConstants.O_CREAT;
51import static android.system.OsConstants.O_RDWR;
52import static android.system.OsConstants.S_IRGRP;
53import static android.system.OsConstants.S_IROTH;
54import static android.system.OsConstants.S_IRWXU;
55import static android.system.OsConstants.S_IXGRP;
56import static android.system.OsConstants.S_IXOTH;
57import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE;
58import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER;
59import static com.android.internal.util.ArrayUtils.appendInt;
60import static com.android.internal.util.ArrayUtils.removeInt;
61
62import android.util.ArrayMap;
63
64import com.android.internal.R;
65import com.android.internal.app.IMediaContainerService;
66import com.android.internal.app.ResolverActivity;
67import com.android.internal.content.NativeLibraryHelper;
68import com.android.internal.content.PackageHelper;
69import com.android.internal.os.IParcelFileDescriptorFactory;
70import com.android.internal.util.ArrayUtils;
71import com.android.internal.util.FastPrintWriter;
72import com.android.internal.util.FastXmlSerializer;
73import com.android.internal.util.IndentingPrintWriter;
74import com.android.internal.util.Preconditions;
75import com.android.server.EventLogTags;
76import com.android.server.IntentResolver;
77import com.android.server.LocalServices;
78import com.android.server.ServiceThread;
79import com.android.server.SystemConfig;
80import com.android.server.Watchdog;
81import com.android.server.pm.Settings.DatabaseVersion;
82import com.android.server.storage.DeviceStorageMonitorInternal;
83
84import org.xmlpull.v1.XmlSerializer;
85
86import android.app.ActivityManager;
87import android.app.ActivityManagerNative;
88import android.app.IActivityManager;
89import android.app.admin.IDevicePolicyManager;
90import android.app.backup.IBackupManager;
91import android.content.BroadcastReceiver;
92import android.content.ComponentName;
93import android.content.Context;
94import android.content.IIntentReceiver;
95import android.content.Intent;
96import android.content.IntentFilter;
97import android.content.IntentSender;
98import android.content.IntentSender.SendIntentException;
99import android.content.ServiceConnection;
100import android.content.pm.ActivityInfo;
101import android.content.pm.ApplicationInfo;
102import android.content.pm.FeatureInfo;
103import android.content.pm.IPackageDataObserver;
104import android.content.pm.IPackageDeleteObserver;
105import android.content.pm.IPackageInstallObserver2;
106import android.content.pm.IPackageInstaller;
107import android.content.pm.IPackageManager;
108import android.content.pm.IPackageMoveObserver;
109import android.content.pm.IPackageStatsObserver;
110import android.content.pm.InstallSessionParams;
111import android.content.pm.InstrumentationInfo;
112import android.content.pm.ManifestDigest;
113import android.content.pm.PackageCleanItem;
114import android.content.pm.PackageInfo;
115import android.content.pm.PackageInfoLite;
116import android.content.pm.PackageManager;
117import android.content.pm.PackageParser.ActivityIntentInfo;
118import android.content.pm.PackageParser.PackageLite;
119import android.content.pm.PackageParser.PackageParserException;
120import android.content.pm.PackageParser;
121import android.content.pm.PackageStats;
122import android.content.pm.PackageUserState;
123import android.content.pm.ParceledListSlice;
124import android.content.pm.PermissionGroupInfo;
125import android.content.pm.PermissionInfo;
126import android.content.pm.ProviderInfo;
127import android.content.pm.ResolveInfo;
128import android.content.pm.ServiceInfo;
129import android.content.pm.Signature;
130import android.content.pm.UserInfo;
131import android.content.pm.VerificationParams;
132import android.content.pm.VerifierDeviceIdentity;
133import android.content.pm.VerifierInfo;
134import android.content.res.Resources;
135import android.hardware.display.DisplayManager;
136import android.net.Uri;
137import android.os.Binder;
138import android.os.Build;
139import android.os.Bundle;
140import android.os.Environment;
141import android.os.Environment.UserEnvironment;
142import android.os.FileObserver;
143import android.os.FileUtils;
144import android.os.Handler;
145import android.os.IBinder;
146import android.os.Looper;
147import android.os.Message;
148import android.os.Parcel;
149import android.os.ParcelFileDescriptor;
150import android.os.Process;
151import android.os.RemoteException;
152import android.os.SELinux;
153import android.os.ServiceManager;
154import android.os.SystemClock;
155import android.os.SystemProperties;
156import android.os.UserHandle;
157import android.os.UserManager;
158import android.security.KeyStore;
159import android.security.SystemKeyStore;
160import android.system.ErrnoException;
161import android.system.Os;
162import android.system.StructStat;
163import android.text.TextUtils;
164import android.util.ArraySet;
165import android.util.AtomicFile;
166import android.util.DisplayMetrics;
167import android.util.EventLog;
168import android.util.Log;
169import android.util.LogPrinter;
170import android.util.PrintStreamPrinter;
171import android.util.Slog;
172import android.util.SparseArray;
173import android.util.SparseBooleanArray;
174import android.view.Display;
175
176import java.io.BufferedInputStream;
177import java.io.BufferedOutputStream;
178import java.io.File;
179import java.io.FileDescriptor;
180import java.io.FileInputStream;
181import java.io.FileNotFoundException;
182import java.io.FileOutputStream;
183import java.io.FilenameFilter;
184import java.io.IOException;
185import java.io.InputStream;
186import java.io.PrintWriter;
187import java.nio.charset.StandardCharsets;
188import java.security.NoSuchAlgorithmException;
189import java.security.PublicKey;
190import java.security.cert.CertificateEncodingException;
191import java.security.cert.CertificateException;
192import java.text.SimpleDateFormat;
193import java.util.ArrayList;
194import java.util.Arrays;
195import java.util.Collection;
196import java.util.Collections;
197import java.util.Comparator;
198import java.util.Date;
199import java.util.HashMap;
200import java.util.HashSet;
201import java.util.Iterator;
202import java.util.List;
203import java.util.Map;
204import java.util.Set;
205import java.util.concurrent.atomic.AtomicBoolean;
206import java.util.concurrent.atomic.AtomicLong;
207
208import dalvik.system.DexFile;
209import dalvik.system.StaleDexCacheError;
210import dalvik.system.VMRuntime;
211
212import libcore.io.IoUtils;
213
214/**
215 * Keep track of all those .apks everywhere.
216 *
217 * This is very central to the platform's security; please run the unit
218 * tests whenever making modifications here:
219 *
220mmm frameworks/base/tests/AndroidTests
221adb install -r -f out/target/product/passion/data/app/AndroidTests.apk
222adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner
223 *
224 * {@hide}
225 */
226public class PackageManagerService extends IPackageManager.Stub {
227    static final String TAG = "PackageManager";
228    static final boolean DEBUG_SETTINGS = false;
229    static final boolean DEBUG_PREFERRED = false;
230    static final boolean DEBUG_UPGRADE = false;
231    private static final boolean DEBUG_INSTALL = false;
232    private static final boolean DEBUG_REMOVE = false;
233    private static final boolean DEBUG_BROADCASTS = false;
234    private static final boolean DEBUG_SHOW_INFO = false;
235    private static final boolean DEBUG_PACKAGE_INFO = false;
236    private static final boolean DEBUG_INTENT_MATCHING = false;
237    private static final boolean DEBUG_PACKAGE_SCANNING = false;
238    private static final boolean DEBUG_APP_DIR_OBSERVER = false;
239    private static final boolean DEBUG_VERIFY = false;
240    private static final boolean DEBUG_DEXOPT = false;
241    private static final boolean DEBUG_ABI_SELECTION = false;
242
243    private static final int RADIO_UID = Process.PHONE_UID;
244    private static final int LOG_UID = Process.LOG_UID;
245    private static final int NFC_UID = Process.NFC_UID;
246    private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID;
247    private static final int SHELL_UID = Process.SHELL_UID;
248
249    // Cap the size of permission trees that 3rd party apps can define
250    private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768;     // characters of text
251
252    private static final int REMOVE_EVENTS =
253        FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM;
254    private static final int ADD_EVENTS =
255        FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO;
256
257    private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS;
258    // Suffix used during package installation when copying/moving
259    // package apks to install directory.
260    private static final String INSTALL_PACKAGE_SUFFIX = "-";
261
262    static final int SCAN_MONITOR = 1<<0;
263    static final int SCAN_NO_DEX = 1<<1;
264    static final int SCAN_FORCE_DEX = 1<<2;
265    static final int SCAN_UPDATE_SIGNATURE = 1<<3;
266    static final int SCAN_NEW_INSTALL = 1<<4;
267    static final int SCAN_NO_PATHS = 1<<5;
268    static final int SCAN_UPDATE_TIME = 1<<6;
269    static final int SCAN_DEFER_DEX = 1<<7;
270    static final int SCAN_BOOTING = 1<<8;
271    static final int SCAN_TRUSTED_OVERLAY = 1<<9;
272    static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10;
273
274    static final int REMOVE_CHATTY = 1<<16;
275
276    /**
277     * Timeout (in milliseconds) after which the watchdog should declare that
278     * our handler thread is wedged.  The usual default for such things is one
279     * minute but we sometimes do very lengthy I/O operations on this thread,
280     * such as installing multi-gigabyte applications, so ours needs to be longer.
281     */
282    private static final long WATCHDOG_TIMEOUT = 1000*60*10;     // ten minutes
283
284    /**
285     * Whether verification is enabled by default.
286     */
287    private static final boolean DEFAULT_VERIFY_ENABLE = true;
288
289    /**
290     * The default maximum time to wait for the verification agent to return in
291     * milliseconds.
292     */
293    private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000;
294
295    /**
296     * The default response for package verification timeout.
297     *
298     * This can be either PackageManager.VERIFICATION_ALLOW or
299     * PackageManager.VERIFICATION_REJECT.
300     */
301    private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW;
302
303    static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer";
304
305    static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName(
306            DEFAULT_CONTAINER_PACKAGE,
307            "com.android.defcontainer.DefaultContainerService");
308
309    private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
310
311    private static final String LIB_DIR_NAME = "lib";
312    private static final String LIB64_DIR_NAME = "lib64";
313
314    private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay";
315
316    static final String mTempContainerPrefix = "smdl2tmp";
317
318    private static String sPreferredInstructionSet;
319
320    final ServiceThread mHandlerThread;
321
322    private static final String IDMAP_PREFIX = "/data/resource-cache/";
323    private static final String IDMAP_SUFFIX = "@idmap";
324
325    final PackageHandler mHandler;
326
327    final int mSdkVersion = Build.VERSION.SDK_INT;
328
329    final Context mContext;
330    final boolean mFactoryTest;
331    final boolean mOnlyCore;
332    final DisplayMetrics mMetrics;
333    final int mDefParseFlags;
334    final String[] mSeparateProcesses;
335
336    // This is where all application persistent data goes.
337    final File mAppDataDir;
338
339    // This is where all application persistent data goes for secondary users.
340    final File mUserAppDataDir;
341
342    /** The location for ASEC container files on internal storage. */
343    final String mAsecInternalPath;
344
345    // This is the object monitoring the framework dir.
346    final FileObserver mFrameworkInstallObserver;
347
348    // This is the object monitoring the system app dir.
349    final FileObserver mSystemInstallObserver;
350
351    // This is the object monitoring the privileged system app dir.
352    final FileObserver mPrivilegedInstallObserver;
353
354    // This is the object monitoring the vendor app dir.
355    final FileObserver mVendorInstallObserver;
356
357    // This is the object monitoring the vendor overlay package dir.
358    final FileObserver mVendorOverlayInstallObserver;
359
360    // This is the object monitoring the OEM app dir.
361    final FileObserver mOemInstallObserver;
362
363    // This is the object monitoring mAppInstallDir.
364    final FileObserver mAppInstallObserver;
365
366    // This is the object monitoring mDrmAppPrivateInstallDir.
367    final FileObserver mDrmAppInstallObserver;
368
369    // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages
370    // LOCK HELD.  Can be called with mInstallLock held.
371    final Installer mInstaller;
372
373    /** Directory where installed third-party apps stored */
374    final File mAppInstallDir;
375
376    /**
377     * Directory to which applications installed internally have their
378     * 32 bit native libraries copied.
379     */
380    private File mAppLib32InstallDir;
381
382    // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked
383    // apps.
384    final File mDrmAppPrivateInstallDir;
385
386    // ----------------------------------------------------------------
387
388    // Lock for state used when installing and doing other long running
389    // operations.  Methods that must be called with this lock held have
390    // the suffix "LI".
391    final Object mInstallLock = new Object();
392
393    // These are the directories in the 3rd party applications installed dir
394    // that we have currently loaded packages from.  Keys are the application's
395    // installed zip file (absolute codePath), and values are Package.
396    final HashMap<String, PackageParser.Package> mAppDirs =
397            new HashMap<String, PackageParser.Package>();
398
399    // ----------------------------------------------------------------
400
401    // Keys are String (package name), values are Package.  This also serves
402    // as the lock for the global state.  Methods that must be called with
403    // this lock held have the prefix "LP".
404    final HashMap<String, PackageParser.Package> mPackages =
405            new HashMap<String, PackageParser.Package>();
406
407    // Tracks available target package names -> overlay package paths.
408    final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays =
409        new HashMap<String, HashMap<String, PackageParser.Package>>();
410
411    final Settings mSettings;
412    boolean mRestoredSettings;
413
414    // System configuration read by SystemConfig.
415    final int[] mGlobalGids;
416    final SparseArray<HashSet<String>> mSystemPermissions;
417    final HashMap<String, FeatureInfo> mAvailableFeatures;
418
419    // If mac_permissions.xml was found for seinfo labeling.
420    boolean mFoundPolicyFile;
421
422    // If a recursive restorecon of /data/data/<pkg> is needed.
423    private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon();
424
425    public static final class SharedLibraryEntry {
426        public final String path;
427        public final String apk;
428
429        SharedLibraryEntry(String _path, String _apk) {
430            path = _path;
431            apk = _apk;
432        }
433    }
434
435    // Currently known shared libraries.
436    final HashMap<String, SharedLibraryEntry> mSharedLibraries =
437            new HashMap<String, SharedLibraryEntry>();
438
439    // All available activities, for your resolving pleasure.
440    final ActivityIntentResolver mActivities =
441            new ActivityIntentResolver();
442
443    // All available receivers, for your resolving pleasure.
444    final ActivityIntentResolver mReceivers =
445            new ActivityIntentResolver();
446
447    // All available services, for your resolving pleasure.
448    final ServiceIntentResolver mServices = new ServiceIntentResolver();
449
450    // All available providers, for your resolving pleasure.
451    final ProviderIntentResolver mProviders = new ProviderIntentResolver();
452
453    // Mapping from provider base names (first directory in content URI codePath)
454    // to the provider information.
455    final HashMap<String, PackageParser.Provider> mProvidersByAuthority =
456            new HashMap<String, PackageParser.Provider>();
457
458    // Mapping from instrumentation class names to info about them.
459    final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation =
460            new HashMap<ComponentName, PackageParser.Instrumentation>();
461
462    // Mapping from permission names to info about them.
463    final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups =
464            new HashMap<String, PackageParser.PermissionGroup>();
465
466    // Packages whose data we have transfered into another package, thus
467    // should no longer exist.
468    final HashSet<String> mTransferedPackages = new HashSet<String>();
469
470    // Broadcast actions that are only available to the system.
471    final HashSet<String> mProtectedBroadcasts = new HashSet<String>();
472
473    /** List of packages waiting for verification. */
474    final SparseArray<PackageVerificationState> mPendingVerification
475            = new SparseArray<PackageVerificationState>();
476
477    final PackageInstallerService mInstallerService;
478
479    HashSet<PackageParser.Package> mDeferredDexOpt = null;
480
481    // Cache of users who need badging.
482    SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray();
483
484    /** Token for keys in mPendingVerification. */
485    private int mPendingVerificationToken = 0;
486
487    boolean mSystemReady;
488    boolean mSafeMode;
489    boolean mHasSystemUidErrors;
490
491    ApplicationInfo mAndroidApplication;
492    final ActivityInfo mResolveActivity = new ActivityInfo();
493    final ResolveInfo mResolveInfo = new ResolveInfo();
494    ComponentName mResolveComponentName;
495    PackageParser.Package mPlatformPackage;
496    ComponentName mCustomResolverComponentName;
497
498    boolean mResolverReplaced = false;
499
500    // Set of pending broadcasts for aggregating enable/disable of components.
501    static class PendingPackageBroadcasts {
502        // for each user id, a map of <package name -> components within that package>
503        final SparseArray<HashMap<String, ArrayList<String>>> mUidMap;
504
505        public PendingPackageBroadcasts() {
506            mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2);
507        }
508
509        public ArrayList<String> get(int userId, String packageName) {
510            HashMap<String, ArrayList<String>> packages = getOrAllocate(userId);
511            return packages.get(packageName);
512        }
513
514        public void put(int userId, String packageName, ArrayList<String> components) {
515            HashMap<String, ArrayList<String>> packages = getOrAllocate(userId);
516            packages.put(packageName, components);
517        }
518
519        public void remove(int userId, String packageName) {
520            HashMap<String, ArrayList<String>> packages = mUidMap.get(userId);
521            if (packages != null) {
522                packages.remove(packageName);
523            }
524        }
525
526        public void remove(int userId) {
527            mUidMap.remove(userId);
528        }
529
530        public int userIdCount() {
531            return mUidMap.size();
532        }
533
534        public int userIdAt(int n) {
535            return mUidMap.keyAt(n);
536        }
537
538        public HashMap<String, ArrayList<String>> packagesForUserId(int userId) {
539            return mUidMap.get(userId);
540        }
541
542        public int size() {
543            // total number of pending broadcast entries across all userIds
544            int num = 0;
545            for (int i = 0; i< mUidMap.size(); i++) {
546                num += mUidMap.valueAt(i).size();
547            }
548            return num;
549        }
550
551        public void clear() {
552            mUidMap.clear();
553        }
554
555        private HashMap<String, ArrayList<String>> getOrAllocate(int userId) {
556            HashMap<String, ArrayList<String>> map = mUidMap.get(userId);
557            if (map == null) {
558                map = new HashMap<String, ArrayList<String>>();
559                mUidMap.put(userId, map);
560            }
561            return map;
562        }
563    }
564    final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts();
565
566    // Service Connection to remote media container service to copy
567    // package uri's from external media onto secure containers
568    // or internal storage.
569    private IMediaContainerService mContainerService = null;
570
571    static final int SEND_PENDING_BROADCAST = 1;
572    static final int MCS_BOUND = 3;
573    static final int END_COPY = 4;
574    static final int INIT_COPY = 5;
575    static final int MCS_UNBIND = 6;
576    static final int START_CLEANING_PACKAGE = 7;
577    static final int FIND_INSTALL_LOC = 8;
578    static final int POST_INSTALL = 9;
579    static final int MCS_RECONNECT = 10;
580    static final int MCS_GIVE_UP = 11;
581    static final int UPDATED_MEDIA_STATUS = 12;
582    static final int WRITE_SETTINGS = 13;
583    static final int WRITE_PACKAGE_RESTRICTIONS = 14;
584    static final int PACKAGE_VERIFIED = 15;
585    static final int CHECK_PENDING_VERIFICATION = 16;
586
587    static final int WRITE_SETTINGS_DELAY = 10*1000;  // 10 seconds
588
589    // Delay time in millisecs
590    static final int BROADCAST_DELAY = 10 * 1000;
591
592    static UserManagerService sUserManager;
593
594    // Stores a list of users whose package restrictions file needs to be updated
595    private HashSet<Integer> mDirtyUsers = new HashSet<Integer>();
596
597    final private DefaultContainerConnection mDefContainerConn =
598            new DefaultContainerConnection();
599    class DefaultContainerConnection implements ServiceConnection {
600        public void onServiceConnected(ComponentName name, IBinder service) {
601            if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected");
602            IMediaContainerService imcs =
603                IMediaContainerService.Stub.asInterface(service);
604            mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs));
605        }
606
607        public void onServiceDisconnected(ComponentName name) {
608            if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected");
609        }
610    };
611
612    // Recordkeeping of restore-after-install operations that are currently in flight
613    // between the Package Manager and the Backup Manager
614    class PostInstallData {
615        public InstallArgs args;
616        public PackageInstalledInfo res;
617
618        PostInstallData(InstallArgs _a, PackageInstalledInfo _r) {
619            args = _a;
620            res = _r;
621        }
622    };
623    final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>();
624    int mNextInstallToken = 1;  // nonzero; will be wrapped back to 1 when ++ overflows
625
626    private final String mRequiredVerifierPackage;
627
628    private final PackageUsage mPackageUsage = new PackageUsage();
629
630    private class PackageUsage {
631        private static final int WRITE_INTERVAL
632            = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms
633
634        private final Object mFileLock = new Object();
635        private final AtomicLong mLastWritten = new AtomicLong(0);
636        private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false);
637
638        private boolean mIsHistoricalPackageUsageAvailable = true;
639
640        boolean isHistoricalPackageUsageAvailable() {
641            return mIsHistoricalPackageUsageAvailable;
642        }
643
644        void write(boolean force) {
645            if (force) {
646                writeInternal();
647                return;
648            }
649            if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL
650                && !DEBUG_DEXOPT) {
651                return;
652            }
653            if (mBackgroundWriteRunning.compareAndSet(false, true)) {
654                new Thread("PackageUsage_DiskWriter") {
655                    @Override
656                    public void run() {
657                        try {
658                            writeInternal();
659                        } finally {
660                            mBackgroundWriteRunning.set(false);
661                        }
662                    }
663                }.start();
664            }
665        }
666
667        private void writeInternal() {
668            synchronized (mPackages) {
669                synchronized (mFileLock) {
670                    AtomicFile file = getFile();
671                    FileOutputStream f = null;
672                    try {
673                        f = file.startWrite();
674                        BufferedOutputStream out = new BufferedOutputStream(f);
675                        FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID);
676                        StringBuilder sb = new StringBuilder();
677                        for (PackageParser.Package pkg : mPackages.values()) {
678                            if (pkg.mLastPackageUsageTimeInMills == 0) {
679                                continue;
680                            }
681                            sb.setLength(0);
682                            sb.append(pkg.packageName);
683                            sb.append(' ');
684                            sb.append((long)pkg.mLastPackageUsageTimeInMills);
685                            sb.append('\n');
686                            out.write(sb.toString().getBytes(StandardCharsets.US_ASCII));
687                        }
688                        out.flush();
689                        file.finishWrite(f);
690                    } catch (IOException e) {
691                        if (f != null) {
692                            file.failWrite(f);
693                        }
694                        Log.e(TAG, "Failed to write package usage times", e);
695                    }
696                }
697            }
698            mLastWritten.set(SystemClock.elapsedRealtime());
699        }
700
701        void readLP() {
702            synchronized (mFileLock) {
703                AtomicFile file = getFile();
704                BufferedInputStream in = null;
705                try {
706                    in = new BufferedInputStream(file.openRead());
707                    StringBuffer sb = new StringBuffer();
708                    while (true) {
709                        String packageName = readToken(in, sb, ' ');
710                        if (packageName == null) {
711                            break;
712                        }
713                        String timeInMillisString = readToken(in, sb, '\n');
714                        if (timeInMillisString == null) {
715                            throw new IOException("Failed to find last usage time for package "
716                                                  + packageName);
717                        }
718                        PackageParser.Package pkg = mPackages.get(packageName);
719                        if (pkg == null) {
720                            continue;
721                        }
722                        long timeInMillis;
723                        try {
724                            timeInMillis = Long.parseLong(timeInMillisString.toString());
725                        } catch (NumberFormatException e) {
726                            throw new IOException("Failed to parse " + timeInMillisString
727                                                  + " as a long.", e);
728                        }
729                        pkg.mLastPackageUsageTimeInMills = timeInMillis;
730                    }
731                } catch (FileNotFoundException expected) {
732                    mIsHistoricalPackageUsageAvailable = false;
733                } catch (IOException e) {
734                    Log.w(TAG, "Failed to read package usage times", e);
735                } finally {
736                    IoUtils.closeQuietly(in);
737                }
738            }
739            mLastWritten.set(SystemClock.elapsedRealtime());
740        }
741
742        private String readToken(InputStream in, StringBuffer sb, char endOfToken)
743                throws IOException {
744            sb.setLength(0);
745            while (true) {
746                int ch = in.read();
747                if (ch == -1) {
748                    if (sb.length() == 0) {
749                        return null;
750                    }
751                    throw new IOException("Unexpected EOF");
752                }
753                if (ch == endOfToken) {
754                    return sb.toString();
755                }
756                sb.append((char)ch);
757            }
758        }
759
760        private AtomicFile getFile() {
761            File dataDir = Environment.getDataDirectory();
762            File systemDir = new File(dataDir, "system");
763            File fname = new File(systemDir, "package-usage.list");
764            return new AtomicFile(fname);
765        }
766    }
767
768    class PackageHandler extends Handler {
769        private boolean mBound = false;
770        final ArrayList<HandlerParams> mPendingInstalls =
771            new ArrayList<HandlerParams>();
772
773        private boolean connectToService() {
774            if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" +
775                    " DefaultContainerService");
776            Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
777            Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
778            if (mContext.bindServiceAsUser(service, mDefContainerConn,
779                    Context.BIND_AUTO_CREATE, UserHandle.OWNER)) {
780                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
781                mBound = true;
782                return true;
783            }
784            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
785            return false;
786        }
787
788        private void disconnectService() {
789            mContainerService = null;
790            mBound = false;
791            Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
792            mContext.unbindService(mDefContainerConn);
793            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
794        }
795
796        PackageHandler(Looper looper) {
797            super(looper);
798        }
799
800        public void handleMessage(Message msg) {
801            try {
802                doHandleMessage(msg);
803            } finally {
804                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
805            }
806        }
807
808        void doHandleMessage(Message msg) {
809            switch (msg.what) {
810                case INIT_COPY: {
811                    HandlerParams params = (HandlerParams) msg.obj;
812                    int idx = mPendingInstalls.size();
813                    if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params);
814                    // If a bind was already initiated we dont really
815                    // need to do anything. The pending install
816                    // will be processed later on.
817                    if (!mBound) {
818                        // If this is the only one pending we might
819                        // have to bind to the service again.
820                        if (!connectToService()) {
821                            Slog.e(TAG, "Failed to bind to media container service");
822                            params.serviceError();
823                            return;
824                        } else {
825                            // Once we bind to the service, the first
826                            // pending request will be processed.
827                            mPendingInstalls.add(idx, params);
828                        }
829                    } else {
830                        mPendingInstalls.add(idx, params);
831                        // Already bound to the service. Just make
832                        // sure we trigger off processing the first request.
833                        if (idx == 0) {
834                            mHandler.sendEmptyMessage(MCS_BOUND);
835                        }
836                    }
837                    break;
838                }
839                case MCS_BOUND: {
840                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound");
841                    if (msg.obj != null) {
842                        mContainerService = (IMediaContainerService) msg.obj;
843                    }
844                    if (mContainerService == null) {
845                        // Something seriously wrong. Bail out
846                        Slog.e(TAG, "Cannot bind to media container service");
847                        for (HandlerParams params : mPendingInstalls) {
848                            // Indicate service bind error
849                            params.serviceError();
850                        }
851                        mPendingInstalls.clear();
852                    } else if (mPendingInstalls.size() > 0) {
853                        HandlerParams params = mPendingInstalls.get(0);
854                        if (params != null) {
855                            if (params.startCopy()) {
856                                // We are done...  look for more work or to
857                                // go idle.
858                                if (DEBUG_SD_INSTALL) Log.i(TAG,
859                                        "Checking for more work or unbind...");
860                                // Delete pending install
861                                if (mPendingInstalls.size() > 0) {
862                                    mPendingInstalls.remove(0);
863                                }
864                                if (mPendingInstalls.size() == 0) {
865                                    if (mBound) {
866                                        if (DEBUG_SD_INSTALL) Log.i(TAG,
867                                                "Posting delayed MCS_UNBIND");
868                                        removeMessages(MCS_UNBIND);
869                                        Message ubmsg = obtainMessage(MCS_UNBIND);
870                                        // Unbind after a little delay, to avoid
871                                        // continual thrashing.
872                                        sendMessageDelayed(ubmsg, 10000);
873                                    }
874                                } else {
875                                    // There are more pending requests in queue.
876                                    // Just post MCS_BOUND message to trigger processing
877                                    // of next pending install.
878                                    if (DEBUG_SD_INSTALL) Log.i(TAG,
879                                            "Posting MCS_BOUND for next work");
880                                    mHandler.sendEmptyMessage(MCS_BOUND);
881                                }
882                            }
883                        }
884                    } else {
885                        // Should never happen ideally.
886                        Slog.w(TAG, "Empty queue");
887                    }
888                    break;
889                }
890                case MCS_RECONNECT: {
891                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect");
892                    if (mPendingInstalls.size() > 0) {
893                        if (mBound) {
894                            disconnectService();
895                        }
896                        if (!connectToService()) {
897                            Slog.e(TAG, "Failed to bind to media container service");
898                            for (HandlerParams params : mPendingInstalls) {
899                                // Indicate service bind error
900                                params.serviceError();
901                            }
902                            mPendingInstalls.clear();
903                        }
904                    }
905                    break;
906                }
907                case MCS_UNBIND: {
908                    // If there is no actual work left, then time to unbind.
909                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind");
910
911                    if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) {
912                        if (mBound) {
913                            if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()");
914
915                            disconnectService();
916                        }
917                    } else if (mPendingInstalls.size() > 0) {
918                        // There are more pending requests in queue.
919                        // Just post MCS_BOUND message to trigger processing
920                        // of next pending install.
921                        mHandler.sendEmptyMessage(MCS_BOUND);
922                    }
923
924                    break;
925                }
926                case MCS_GIVE_UP: {
927                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries");
928                    mPendingInstalls.remove(0);
929                    break;
930                }
931                case SEND_PENDING_BROADCAST: {
932                    String packages[];
933                    ArrayList<String> components[];
934                    int size = 0;
935                    int uids[];
936                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
937                    synchronized (mPackages) {
938                        if (mPendingBroadcasts == null) {
939                            return;
940                        }
941                        size = mPendingBroadcasts.size();
942                        if (size <= 0) {
943                            // Nothing to be done. Just return
944                            return;
945                        }
946                        packages = new String[size];
947                        components = new ArrayList[size];
948                        uids = new int[size];
949                        int i = 0;  // filling out the above arrays
950
951                        for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) {
952                            int packageUserId = mPendingBroadcasts.userIdAt(n);
953                            Iterator<Map.Entry<String, ArrayList<String>>> it
954                                    = mPendingBroadcasts.packagesForUserId(packageUserId)
955                                            .entrySet().iterator();
956                            while (it.hasNext() && i < size) {
957                                Map.Entry<String, ArrayList<String>> ent = it.next();
958                                packages[i] = ent.getKey();
959                                components[i] = ent.getValue();
960                                PackageSetting ps = mSettings.mPackages.get(ent.getKey());
961                                uids[i] = (ps != null)
962                                        ? UserHandle.getUid(packageUserId, ps.appId)
963                                        : -1;
964                                i++;
965                            }
966                        }
967                        size = i;
968                        mPendingBroadcasts.clear();
969                    }
970                    // Send broadcasts
971                    for (int i = 0; i < size; i++) {
972                        sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]);
973                    }
974                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
975                    break;
976                }
977                case START_CLEANING_PACKAGE: {
978                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
979                    final String packageName = (String)msg.obj;
980                    final int userId = msg.arg1;
981                    final boolean andCode = msg.arg2 != 0;
982                    synchronized (mPackages) {
983                        if (userId == UserHandle.USER_ALL) {
984                            int[] users = sUserManager.getUserIds();
985                            for (int user : users) {
986                                mSettings.addPackageToCleanLPw(
987                                        new PackageCleanItem(user, packageName, andCode));
988                            }
989                        } else {
990                            mSettings.addPackageToCleanLPw(
991                                    new PackageCleanItem(userId, packageName, andCode));
992                        }
993                    }
994                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
995                    startCleaningPackages();
996                } break;
997                case POST_INSTALL: {
998                    if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1);
999                    PostInstallData data = mRunningInstalls.get(msg.arg1);
1000                    mRunningInstalls.delete(msg.arg1);
1001                    boolean deleteOld = false;
1002
1003                    if (data != null) {
1004                        InstallArgs args = data.args;
1005                        PackageInstalledInfo res = data.res;
1006
1007                        if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
1008                            res.removedInfo.sendBroadcast(false, true, false);
1009                            Bundle extras = new Bundle(1);
1010                            extras.putInt(Intent.EXTRA_UID, res.uid);
1011                            // Determine the set of users who are adding this
1012                            // package for the first time vs. those who are seeing
1013                            // an update.
1014                            int[] firstUsers;
1015                            int[] updateUsers = new int[0];
1016                            if (res.origUsers == null || res.origUsers.length == 0) {
1017                                firstUsers = res.newUsers;
1018                            } else {
1019                                firstUsers = new int[0];
1020                                for (int i=0; i<res.newUsers.length; i++) {
1021                                    int user = res.newUsers[i];
1022                                    boolean isNew = true;
1023                                    for (int j=0; j<res.origUsers.length; j++) {
1024                                        if (res.origUsers[j] == user) {
1025                                            isNew = false;
1026                                            break;
1027                                        }
1028                                    }
1029                                    if (isNew) {
1030                                        int[] newFirst = new int[firstUsers.length+1];
1031                                        System.arraycopy(firstUsers, 0, newFirst, 0,
1032                                                firstUsers.length);
1033                                        newFirst[firstUsers.length] = user;
1034                                        firstUsers = newFirst;
1035                                    } else {
1036                                        int[] newUpdate = new int[updateUsers.length+1];
1037                                        System.arraycopy(updateUsers, 0, newUpdate, 0,
1038                                                updateUsers.length);
1039                                        newUpdate[updateUsers.length] = user;
1040                                        updateUsers = newUpdate;
1041                                    }
1042                                }
1043                            }
1044                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
1045                                    res.pkg.applicationInfo.packageName,
1046                                    extras, null, null, firstUsers);
1047                            final boolean update = res.removedInfo.removedPackage != null;
1048                            if (update) {
1049                                extras.putBoolean(Intent.EXTRA_REPLACING, true);
1050                            }
1051                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
1052                                    res.pkg.applicationInfo.packageName,
1053                                    extras, null, null, updateUsers);
1054                            if (update) {
1055                                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED,
1056                                        res.pkg.applicationInfo.packageName,
1057                                        extras, null, null, updateUsers);
1058                                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED,
1059                                        null, null,
1060                                        res.pkg.applicationInfo.packageName, null, updateUsers);
1061
1062                                // treat asec-hosted packages like removable media on upgrade
1063                                if (isForwardLocked(res.pkg) || isExternal(res.pkg)) {
1064                                    if (DEBUG_INSTALL) {
1065                                        Slog.i(TAG, "upgrading pkg " + res.pkg
1066                                                + " is ASEC-hosted -> AVAILABLE");
1067                                    }
1068                                    int[] uidArray = new int[] { res.pkg.applicationInfo.uid };
1069                                    ArrayList<String> pkgList = new ArrayList<String>(1);
1070                                    pkgList.add(res.pkg.applicationInfo.packageName);
1071                                    sendResourcesChangedBroadcast(true, true,
1072                                            pkgList,uidArray, null);
1073                                }
1074                            }
1075                            if (res.removedInfo.args != null) {
1076                                // Remove the replaced package's older resources safely now
1077                                deleteOld = true;
1078                            }
1079
1080                            // Log current value of "unknown sources" setting
1081                            EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED,
1082                                getUnknownSourcesSettings());
1083                        }
1084                        // Force a gc to clear up things
1085                        Runtime.getRuntime().gc();
1086                        // We delete after a gc for applications  on sdcard.
1087                        if (deleteOld) {
1088                            synchronized (mInstallLock) {
1089                                res.removedInfo.args.doPostDeleteLI(true);
1090                            }
1091                        }
1092                        if (args.observer != null) {
1093                            try {
1094                                Bundle extras = extrasForInstallResult(res);
1095                                args.observer.packageInstalled(res.name, extras, res.returnCode,
1096                                        res.returnMsg);
1097                            } catch (RemoteException e) {
1098                                Slog.i(TAG, "Observer no longer exists.");
1099                            }
1100                        }
1101                    } else {
1102                        Slog.e(TAG, "Bogus post-install token " + msg.arg1);
1103                    }
1104                } break;
1105                case UPDATED_MEDIA_STATUS: {
1106                    if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS");
1107                    boolean reportStatus = msg.arg1 == 1;
1108                    boolean doGc = msg.arg2 == 1;
1109                    if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc);
1110                    if (doGc) {
1111                        // Force a gc to clear up stale containers.
1112                        Runtime.getRuntime().gc();
1113                    }
1114                    if (msg.obj != null) {
1115                        @SuppressWarnings("unchecked")
1116                        Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj;
1117                        if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers");
1118                        // Unload containers
1119                        unloadAllContainers(args);
1120                    }
1121                    if (reportStatus) {
1122                        try {
1123                            if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back");
1124                            PackageHelper.getMountService().finishMediaUpdate();
1125                        } catch (RemoteException e) {
1126                            Log.e(TAG, "MountService not running?");
1127                        }
1128                    }
1129                } break;
1130                case WRITE_SETTINGS: {
1131                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1132                    synchronized (mPackages) {
1133                        removeMessages(WRITE_SETTINGS);
1134                        removeMessages(WRITE_PACKAGE_RESTRICTIONS);
1135                        mSettings.writeLPr();
1136                        mDirtyUsers.clear();
1137                    }
1138                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1139                } break;
1140                case WRITE_PACKAGE_RESTRICTIONS: {
1141                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1142                    synchronized (mPackages) {
1143                        removeMessages(WRITE_PACKAGE_RESTRICTIONS);
1144                        for (int userId : mDirtyUsers) {
1145                            mSettings.writePackageRestrictionsLPr(userId);
1146                        }
1147                        mDirtyUsers.clear();
1148                    }
1149                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1150                } break;
1151                case CHECK_PENDING_VERIFICATION: {
1152                    final int verificationId = msg.arg1;
1153                    final PackageVerificationState state = mPendingVerification.get(verificationId);
1154
1155                    if ((state != null) && !state.timeoutExtended()) {
1156                        final InstallArgs args = state.getInstallArgs();
1157                        final Uri originUri = Uri.fromFile(args.originFile);
1158
1159                        Slog.i(TAG, "Verification timed out for " + originUri);
1160                        mPendingVerification.remove(verificationId);
1161
1162                        int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
1163
1164                        if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) {
1165                            Slog.i(TAG, "Continuing with installation of " + originUri);
1166                            state.setVerifierResponse(Binder.getCallingUid(),
1167                                    PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT);
1168                            broadcastPackageVerified(verificationId, originUri,
1169                                    PackageManager.VERIFICATION_ALLOW,
1170                                    state.getInstallArgs().getUser());
1171                            try {
1172                                ret = args.copyApk(mContainerService, true);
1173                            } catch (RemoteException e) {
1174                                Slog.e(TAG, "Could not contact the ContainerService");
1175                            }
1176                        } else {
1177                            broadcastPackageVerified(verificationId, originUri,
1178                                    PackageManager.VERIFICATION_REJECT,
1179                                    state.getInstallArgs().getUser());
1180                        }
1181
1182                        processPendingInstall(args, ret);
1183                        mHandler.sendEmptyMessage(MCS_UNBIND);
1184                    }
1185                    break;
1186                }
1187                case PACKAGE_VERIFIED: {
1188                    final int verificationId = msg.arg1;
1189
1190                    final PackageVerificationState state = mPendingVerification.get(verificationId);
1191                    if (state == null) {
1192                        Slog.w(TAG, "Invalid verification token " + verificationId + " received");
1193                        break;
1194                    }
1195
1196                    final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj;
1197
1198                    state.setVerifierResponse(response.callerUid, response.code);
1199
1200                    if (state.isVerificationComplete()) {
1201                        mPendingVerification.remove(verificationId);
1202
1203                        final InstallArgs args = state.getInstallArgs();
1204                        final Uri originUri = Uri.fromFile(args.originFile);
1205
1206                        int ret;
1207                        if (state.isInstallAllowed()) {
1208                            ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
1209                            broadcastPackageVerified(verificationId, originUri,
1210                                    response.code, state.getInstallArgs().getUser());
1211                            try {
1212                                ret = args.copyApk(mContainerService, true);
1213                            } catch (RemoteException e) {
1214                                Slog.e(TAG, "Could not contact the ContainerService");
1215                            }
1216                        } else {
1217                            ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
1218                        }
1219
1220                        processPendingInstall(args, ret);
1221
1222                        mHandler.sendEmptyMessage(MCS_UNBIND);
1223                    }
1224
1225                    break;
1226                }
1227            }
1228        }
1229    }
1230
1231    Bundle extrasForInstallResult(PackageInstalledInfo res) {
1232        Bundle extras = null;
1233        switch (res.returnCode) {
1234            case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: {
1235                extras = new Bundle();
1236                extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION,
1237                        res.origPermission);
1238                extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE,
1239                        res.origPackage);
1240                break;
1241            }
1242        }
1243        return extras;
1244    }
1245
1246    void scheduleWriteSettingsLocked() {
1247        if (!mHandler.hasMessages(WRITE_SETTINGS)) {
1248            mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY);
1249        }
1250    }
1251
1252    void scheduleWritePackageRestrictionsLocked(int userId) {
1253        if (!sUserManager.exists(userId)) return;
1254        mDirtyUsers.add(userId);
1255        if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) {
1256            mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY);
1257        }
1258    }
1259
1260    public static final PackageManagerService main(Context context, Installer installer,
1261            boolean factoryTest, boolean onlyCore) {
1262        PackageManagerService m = new PackageManagerService(context, installer,
1263                factoryTest, onlyCore);
1264        ServiceManager.addService("package", m);
1265        return m;
1266    }
1267
1268    static String[] splitString(String str, char sep) {
1269        int count = 1;
1270        int i = 0;
1271        while ((i=str.indexOf(sep, i)) >= 0) {
1272            count++;
1273            i++;
1274        }
1275
1276        String[] res = new String[count];
1277        i=0;
1278        count = 0;
1279        int lastI=0;
1280        while ((i=str.indexOf(sep, i)) >= 0) {
1281            res[count] = str.substring(lastI, i);
1282            count++;
1283            i++;
1284            lastI = i;
1285        }
1286        res[count] = str.substring(lastI, str.length());
1287        return res;
1288    }
1289
1290    private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) {
1291        DisplayManager displayManager = (DisplayManager) context.getSystemService(
1292                Context.DISPLAY_SERVICE);
1293        displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics);
1294    }
1295
1296    public PackageManagerService(Context context, Installer installer,
1297            boolean factoryTest, boolean onlyCore) {
1298        EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START,
1299                SystemClock.uptimeMillis());
1300
1301        if (mSdkVersion <= 0) {
1302            Slog.w(TAG, "**** ro.build.version.sdk not set!");
1303        }
1304
1305        mContext = context;
1306        mFactoryTest = factoryTest;
1307        mOnlyCore = onlyCore;
1308        mMetrics = new DisplayMetrics();
1309        mSettings = new Settings(context);
1310        mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID,
1311                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1312        mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID,
1313                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1314        mSettings.addSharedUserLPw("android.uid.log", LOG_UID,
1315                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1316        mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID,
1317                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1318        mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID,
1319                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1320        mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID,
1321                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1322
1323        String separateProcesses = SystemProperties.get("debug.separate_processes");
1324        if (separateProcesses != null && separateProcesses.length() > 0) {
1325            if ("*".equals(separateProcesses)) {
1326                mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES;
1327                mSeparateProcesses = null;
1328                Slog.w(TAG, "Running with debug.separate_processes: * (ALL)");
1329            } else {
1330                mDefParseFlags = 0;
1331                mSeparateProcesses = separateProcesses.split(",");
1332                Slog.w(TAG, "Running with debug.separate_processes: "
1333                        + separateProcesses);
1334            }
1335        } else {
1336            mDefParseFlags = 0;
1337            mSeparateProcesses = null;
1338        }
1339
1340        mInstaller = installer;
1341
1342        getDefaultDisplayMetrics(context, mMetrics);
1343
1344        SystemConfig systemConfig = SystemConfig.getInstance();
1345        mGlobalGids = systemConfig.getGlobalGids();
1346        mSystemPermissions = systemConfig.getSystemPermissions();
1347        mAvailableFeatures = systemConfig.getAvailableFeatures();
1348
1349        synchronized (mInstallLock) {
1350        // writer
1351        synchronized (mPackages) {
1352            mHandlerThread = new ServiceThread(TAG,
1353                    Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/);
1354            mHandlerThread.start();
1355            mHandler = new PackageHandler(mHandlerThread.getLooper());
1356            Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT);
1357
1358            File dataDir = Environment.getDataDirectory();
1359            mAppDataDir = new File(dataDir, "data");
1360            mAppInstallDir = new File(dataDir, "app");
1361            mAppLib32InstallDir = new File(dataDir, "app-lib");
1362            mAsecInternalPath = new File(dataDir, "app-asec").getPath();
1363            mUserAppDataDir = new File(dataDir, "user");
1364            mDrmAppPrivateInstallDir = new File(dataDir, "app-private");
1365
1366            sUserManager = new UserManagerService(context, this,
1367                    mInstallLock, mPackages);
1368
1369            // Propagate permission configuration in to package manager.
1370            ArrayMap<String, SystemConfig.PermissionEntry> permConfig
1371                    = systemConfig.getPermissions();
1372            for (int i=0; i<permConfig.size(); i++) {
1373                SystemConfig.PermissionEntry perm = permConfig.valueAt(i);
1374                BasePermission bp = mSettings.mPermissions.get(perm.name);
1375                if (bp == null) {
1376                    bp = new BasePermission(perm.name, null, BasePermission.TYPE_BUILTIN);
1377                    mSettings.mPermissions.put(perm.name, bp);
1378                }
1379                if (perm.gids != null) {
1380                    bp.gids = appendInts(bp.gids, perm.gids);
1381                }
1382            }
1383
1384            ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries();
1385            for (int i=0; i<libConfig.size(); i++) {
1386                mSharedLibraries.put(libConfig.keyAt(i),
1387                        new SharedLibraryEntry(libConfig.valueAt(i), null));
1388            }
1389
1390            mFoundPolicyFile = SELinuxMMAC.readInstallPolicy();
1391
1392            mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false),
1393                    mSdkVersion, mOnlyCore);
1394
1395            String customResolverActivity = Resources.getSystem().getString(
1396                    R.string.config_customResolverActivity);
1397            if (TextUtils.isEmpty(customResolverActivity)) {
1398                customResolverActivity = null;
1399            } else {
1400                mCustomResolverComponentName = ComponentName.unflattenFromString(
1401                        customResolverActivity);
1402            }
1403
1404            long startTime = SystemClock.uptimeMillis();
1405
1406            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START,
1407                    startTime);
1408
1409            // Set flag to monitor and not change apk file paths when
1410            // scanning install directories.
1411            int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING;
1412
1413            final HashSet<String> alreadyDexOpted = new HashSet<String>();
1414
1415            /**
1416             * Add everything in the in the boot class path to the
1417             * list of process files because dexopt will have been run
1418             * if necessary during zygote startup.
1419             */
1420            String bootClassPath = System.getProperty("java.boot.class.path");
1421            if (bootClassPath != null) {
1422                String[] paths = splitString(bootClassPath, ':');
1423                for (int i=0; i<paths.length; i++) {
1424                    alreadyDexOpted.add(paths[i]);
1425                }
1426            } else {
1427                Slog.w(TAG, "No BOOTCLASSPATH found!");
1428            }
1429
1430            boolean didDexOptLibraryOrTool = false;
1431
1432            final List<String> instructionSets = getAllInstructionSets();
1433
1434            /**
1435             * Ensure all external libraries have had dexopt run on them.
1436             */
1437            if (mSharedLibraries.size() > 0) {
1438                // NOTE: For now, we're compiling these system "shared libraries"
1439                // (and framework jars) into all available architectures. It's possible
1440                // to compile them only when we come across an app that uses them (there's
1441                // already logic for that in scanPackageLI) but that adds some complexity.
1442                for (String instructionSet : instructionSets) {
1443                    for (SharedLibraryEntry libEntry : mSharedLibraries.values()) {
1444                        final String lib = libEntry.path;
1445                        if (lib == null) {
1446                            continue;
1447                        }
1448
1449                        try {
1450                            if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) {
1451                                alreadyDexOpted.add(lib);
1452
1453                                // The list of "shared libraries" we have at this point is
1454                                mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet);
1455                                didDexOptLibraryOrTool = true;
1456                            }
1457                        } catch (FileNotFoundException e) {
1458                            Slog.w(TAG, "Library not found: " + lib);
1459                        } catch (IOException e) {
1460                            Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? "
1461                                    + e.getMessage());
1462                        }
1463                    }
1464                }
1465            }
1466
1467            File frameworkDir = new File(Environment.getRootDirectory(), "framework");
1468
1469            // Gross hack for now: we know this file doesn't contain any
1470            // code, so don't dexopt it to avoid the resulting log spew.
1471            alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk");
1472
1473            // Gross hack for now: we know this file is only part of
1474            // the boot class path for art, so don't dexopt it to
1475            // avoid the resulting log spew.
1476            alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar");
1477
1478            /**
1479             * And there are a number of commands implemented in Java, which
1480             * we currently need to do the dexopt on so that they can be
1481             * run from a non-root shell.
1482             */
1483            String[] frameworkFiles = frameworkDir.list();
1484            if (frameworkFiles != null) {
1485                // TODO: We could compile these only for the most preferred ABI. We should
1486                // first double check that the dex files for these commands are not referenced
1487                // by other system apps.
1488                for (String instructionSet : instructionSets) {
1489                    for (int i=0; i<frameworkFiles.length; i++) {
1490                        File libPath = new File(frameworkDir, frameworkFiles[i]);
1491                        String path = libPath.getPath();
1492                        // Skip the file if we already did it.
1493                        if (alreadyDexOpted.contains(path)) {
1494                            continue;
1495                        }
1496                        // Skip the file if it is not a type we want to dexopt.
1497                        if (!path.endsWith(".apk") && !path.endsWith(".jar")) {
1498                            continue;
1499                        }
1500                        try {
1501                            if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) {
1502                                mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet);
1503                                didDexOptLibraryOrTool = true;
1504                            }
1505                        } catch (FileNotFoundException e) {
1506                            Slog.w(TAG, "Jar not found: " + path);
1507                        } catch (IOException e) {
1508                            Slog.w(TAG, "Exception reading jar: " + path, e);
1509                        }
1510                    }
1511                }
1512            }
1513
1514            if (didDexOptLibraryOrTool) {
1515                // If we dexopted a library or tool, then something on the system has
1516                // changed. Consider this significant, and wipe away all other
1517                // existing dexopt files to ensure we don't leave any dangling around.
1518                //
1519                // TODO: This should be revisited because it isn't as good an indicator
1520                // as it used to be. It used to include the boot classpath but at some point
1521                // DexFile.isDexOptNeeded started returning false for the boot
1522                // class path files in all cases. It is very possible in a
1523                // small maintenance release update that the library and tool
1524                // jars may be unchanged but APK could be removed resulting in
1525                // unused dalvik-cache files.
1526                for (String instructionSet : instructionSets) {
1527                    mInstaller.pruneDexCache(instructionSet);
1528                }
1529
1530                // Additionally, delete all dex files from the root directory
1531                // since there shouldn't be any there anyway, unless we're upgrading
1532                // from an older OS version or a build that contained the "old" style
1533                // flat scheme.
1534                mInstaller.pruneDexCache(".");
1535            }
1536
1537            // Collect vendor overlay packages.
1538            // (Do this before scanning any apps.)
1539            // For security and version matching reason, only consider
1540            // overlay packages if they reside in VENDOR_OVERLAY_DIR.
1541            File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR);
1542            mVendorOverlayInstallObserver = new AppDirObserver(
1543                    vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false);
1544            mVendorOverlayInstallObserver.startWatching();
1545            scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM
1546                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0);
1547
1548            // Find base frameworks (resource packages without code).
1549            mFrameworkInstallObserver = new AppDirObserver(
1550                    frameworkDir.getPath(), OBSERVER_EVENTS, true, false);
1551            mFrameworkInstallObserver.startWatching();
1552            scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM
1553                    | PackageParser.PARSE_IS_SYSTEM_DIR
1554                    | PackageParser.PARSE_IS_PRIVILEGED,
1555                    scanMode | SCAN_NO_DEX, 0);
1556
1557            // Collected privileged system packages.
1558            File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app");
1559            mPrivilegedInstallObserver = new AppDirObserver(
1560                    privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true);
1561            mPrivilegedInstallObserver.startWatching();
1562            scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM
1563                    | PackageParser.PARSE_IS_SYSTEM_DIR
1564                    | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0);
1565
1566            // Collect ordinary system packages.
1567            File systemAppDir = new File(Environment.getRootDirectory(), "app");
1568            mSystemInstallObserver = new AppDirObserver(
1569                    systemAppDir.getPath(), OBSERVER_EVENTS, true, false);
1570            mSystemInstallObserver.startWatching();
1571            scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM
1572                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0);
1573
1574            // Collect all vendor packages.
1575            File vendorAppDir = new File("/vendor/app");
1576            try {
1577                vendorAppDir = vendorAppDir.getCanonicalFile();
1578            } catch (IOException e) {
1579                // failed to look up canonical path, continue with original one
1580            }
1581            mVendorInstallObserver = new AppDirObserver(
1582                    vendorAppDir.getPath(), OBSERVER_EVENTS, true, false);
1583            mVendorInstallObserver.startWatching();
1584            scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM
1585                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0);
1586
1587            // Collect all OEM packages.
1588            File oemAppDir = new File(Environment.getOemDirectory(), "app");
1589            mOemInstallObserver = new AppDirObserver(
1590                    oemAppDir.getPath(), OBSERVER_EVENTS, true, false);
1591            mOemInstallObserver.startWatching();
1592            scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM
1593                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0);
1594
1595            if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands");
1596            mInstaller.moveFiles();
1597
1598            // Prune any system packages that no longer exist.
1599            final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>();
1600            if (!mOnlyCore) {
1601                Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
1602                while (psit.hasNext()) {
1603                    PackageSetting ps = psit.next();
1604
1605                    /*
1606                     * If this is not a system app, it can't be a
1607                     * disable system app.
1608                     */
1609                    if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) {
1610                        continue;
1611                    }
1612
1613                    /*
1614                     * If the package is scanned, it's not erased.
1615                     */
1616                    final PackageParser.Package scannedPkg = mPackages.get(ps.name);
1617                    if (scannedPkg != null) {
1618                        /*
1619                         * If the system app is both scanned and in the
1620                         * disabled packages list, then it must have been
1621                         * added via OTA. Remove it from the currently
1622                         * scanned package so the previously user-installed
1623                         * application can be scanned.
1624                         */
1625                        if (mSettings.isDisabledSystemPackageLPr(ps.name)) {
1626                            Slog.i(TAG, "Expecting better updatd system app for " + ps.name
1627                                    + "; removing system app");
1628                            removePackageLI(ps, true);
1629                        }
1630
1631                        continue;
1632                    }
1633
1634                    if (!mSettings.isDisabledSystemPackageLPr(ps.name)) {
1635                        psit.remove();
1636                        String msg = "System package " + ps.name
1637                                + " no longer exists; wiping its data";
1638                        reportSettingsProblem(Log.WARN, msg);
1639                        removeDataDirsLI(ps.name);
1640                    } else {
1641                        final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name);
1642                        if (disabledPs.codePath == null || !disabledPs.codePath.exists()) {
1643                            possiblyDeletedUpdatedSystemApps.add(ps.name);
1644                        }
1645                    }
1646                }
1647            }
1648
1649            //look for any incomplete package installations
1650            ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr();
1651            //clean up list
1652            for(int i = 0; i < deletePkgsList.size(); i++) {
1653                //clean up here
1654                cleanupInstallFailedPackage(deletePkgsList.get(i));
1655            }
1656            //delete tmp files
1657            deleteTempPackageFiles();
1658
1659            // Remove any shared userIDs that have no associated packages
1660            mSettings.pruneSharedUsersLPw();
1661
1662            if (!mOnlyCore) {
1663                EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START,
1664                        SystemClock.uptimeMillis());
1665                mAppInstallObserver = new AppDirObserver(
1666                    mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false);
1667                mAppInstallObserver.startWatching();
1668                scanDirLI(mAppInstallDir, 0, scanMode, 0);
1669
1670                mDrmAppInstallObserver = new AppDirObserver(
1671                    mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false);
1672                mDrmAppInstallObserver.startWatching();
1673                scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK,
1674                        scanMode, 0);
1675
1676                /**
1677                 * Remove disable package settings for any updated system
1678                 * apps that were removed via an OTA. If they're not a
1679                 * previously-updated app, remove them completely.
1680                 * Otherwise, just revoke their system-level permissions.
1681                 */
1682                for (String deletedAppName : possiblyDeletedUpdatedSystemApps) {
1683                    PackageParser.Package deletedPkg = mPackages.get(deletedAppName);
1684                    mSettings.removeDisabledSystemPackageLPw(deletedAppName);
1685
1686                    String msg;
1687                    if (deletedPkg == null) {
1688                        msg = "Updated system package " + deletedAppName
1689                                + " no longer exists; wiping its data";
1690                        removeDataDirsLI(deletedAppName);
1691                    } else {
1692                        msg = "Updated system app + " + deletedAppName
1693                                + " no longer present; removing system privileges for "
1694                                + deletedAppName;
1695
1696                        deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM;
1697
1698                        PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName);
1699                        deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM;
1700                    }
1701                    reportSettingsProblem(Log.WARN, msg);
1702                }
1703            } else {
1704                mAppInstallObserver = null;
1705                mDrmAppInstallObserver = null;
1706            }
1707
1708            // Now that we know all of the shared libraries, update all clients to have
1709            // the correct library paths.
1710            updateAllSharedLibrariesLPw();
1711
1712            for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) {
1713                // NOTE: We ignore potential failures here during a system scan (like
1714                // the rest of the commands above) because there's precious little we
1715                // can do about it. A settings error is reported, though.
1716                adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */,
1717                        false /* force dexopt */, false /* defer dexopt */);
1718            }
1719
1720            // Now that we know all the packages we are keeping,
1721            // read and update their last usage times.
1722            mPackageUsage.readLP();
1723
1724            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END,
1725                    SystemClock.uptimeMillis());
1726            Slog.i(TAG, "Time to scan packages: "
1727                    + ((SystemClock.uptimeMillis()-startTime)/1000f)
1728                    + " seconds");
1729
1730            // If the platform SDK has changed since the last time we booted,
1731            // we need to re-grant app permission to catch any new ones that
1732            // appear.  This is really a hack, and means that apps can in some
1733            // cases get permissions that the user didn't initially explicitly
1734            // allow...  it would be nice to have some better way to handle
1735            // this situation.
1736            final boolean regrantPermissions = mSettings.mInternalSdkPlatform
1737                    != mSdkVersion;
1738            if (regrantPermissions) Slog.i(TAG, "Platform changed from "
1739                    + mSettings.mInternalSdkPlatform + " to " + mSdkVersion
1740                    + "; regranting permissions for internal storage");
1741            mSettings.mInternalSdkPlatform = mSdkVersion;
1742
1743            updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
1744                    | (regrantPermissions
1745                            ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
1746                            : 0));
1747
1748            // If this is the first boot, and it is a normal boot, then
1749            // we need to initialize the default preferred apps.
1750            if (!mRestoredSettings && !onlyCore) {
1751                mSettings.readDefaultPreferredAppsLPw(this, 0);
1752            }
1753
1754            // All the changes are done during package scanning.
1755            mSettings.updateInternalDatabaseVersion();
1756
1757            // can downgrade to reader
1758            mSettings.writeLPr();
1759
1760            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY,
1761                    SystemClock.uptimeMillis());
1762
1763
1764            mRequiredVerifierPackage = getRequiredVerifierLPr();
1765        } // synchronized (mPackages)
1766        } // synchronized (mInstallLock)
1767
1768        mInstallerService = new PackageInstallerService(context, this, mAppInstallDir);
1769
1770        // Now after opening every single application zip, make sure they
1771        // are all flushed.  Not really needed, but keeps things nice and
1772        // tidy.
1773        Runtime.getRuntime().gc();
1774    }
1775
1776    @Override
1777    public boolean isFirstBoot() {
1778        return !mRestoredSettings;
1779    }
1780
1781    @Override
1782    public boolean isOnlyCoreApps() {
1783        return mOnlyCore;
1784    }
1785
1786    private String getRequiredVerifierLPr() {
1787        final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
1788        final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE,
1789                PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */);
1790
1791        String requiredVerifier = null;
1792
1793        final int N = receivers.size();
1794        for (int i = 0; i < N; i++) {
1795            final ResolveInfo info = receivers.get(i);
1796
1797            if (info.activityInfo == null) {
1798                continue;
1799            }
1800
1801            final String packageName = info.activityInfo.packageName;
1802
1803            final PackageSetting ps = mSettings.mPackages.get(packageName);
1804            if (ps == null) {
1805                continue;
1806            }
1807
1808            final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
1809            if (!gp.grantedPermissions
1810                    .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) {
1811                continue;
1812            }
1813
1814            if (requiredVerifier != null) {
1815                throw new RuntimeException("There can be only one required verifier");
1816            }
1817
1818            requiredVerifier = packageName;
1819        }
1820
1821        return requiredVerifier;
1822    }
1823
1824    @Override
1825    public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
1826            throws RemoteException {
1827        try {
1828            return super.onTransact(code, data, reply, flags);
1829        } catch (RuntimeException e) {
1830            if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) {
1831                Slog.wtf(TAG, "Package Manager Crash", e);
1832            }
1833            throw e;
1834        }
1835    }
1836
1837    void cleanupInstallFailedPackage(PackageSetting ps) {
1838        Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name);
1839        removeDataDirsLI(ps.name);
1840
1841        // TODO: try cleaning up codePath directory contents first, since it
1842        // might be a cluster
1843
1844        if (ps.codePath != null) {
1845            if (!ps.codePath.delete()) {
1846                Slog.w(TAG, "Unable to remove old code file: " + ps.codePath);
1847            }
1848        }
1849        if (ps.resourcePath != null) {
1850            if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) {
1851                Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath);
1852            }
1853        }
1854        mSettings.removePackageLPw(ps.name);
1855    }
1856
1857    static int[] appendInts(int[] cur, int[] add) {
1858        if (add == null) return cur;
1859        if (cur == null) return add;
1860        final int N = add.length;
1861        for (int i=0; i<N; i++) {
1862            cur = appendInt(cur, add[i]);
1863        }
1864        return cur;
1865    }
1866
1867    static int[] removeInts(int[] cur, int[] rem) {
1868        if (rem == null) return cur;
1869        if (cur == null) return cur;
1870        final int N = rem.length;
1871        for (int i=0; i<N; i++) {
1872            cur = removeInt(cur, rem[i]);
1873        }
1874        return cur;
1875    }
1876
1877    PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) {
1878        if (!sUserManager.exists(userId)) return null;
1879        final PackageSetting ps = (PackageSetting) p.mExtras;
1880        if (ps == null) {
1881            return null;
1882        }
1883        final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
1884        final PackageUserState state = ps.readUserState(userId);
1885        return PackageParser.generatePackageInfo(p, gp.gids, flags,
1886                ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions,
1887                state, userId);
1888    }
1889
1890    @Override
1891    public boolean isPackageAvailable(String packageName, int userId) {
1892        if (!sUserManager.exists(userId)) return false;
1893        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available");
1894        synchronized (mPackages) {
1895            PackageParser.Package p = mPackages.get(packageName);
1896            if (p != null) {
1897                final PackageSetting ps = (PackageSetting) p.mExtras;
1898                if (ps != null) {
1899                    final PackageUserState state = ps.readUserState(userId);
1900                    if (state != null) {
1901                        return PackageParser.isAvailable(state);
1902                    }
1903                }
1904            }
1905        }
1906        return false;
1907    }
1908
1909    @Override
1910    public PackageInfo getPackageInfo(String packageName, int flags, int userId) {
1911        if (!sUserManager.exists(userId)) return null;
1912        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info");
1913        // reader
1914        synchronized (mPackages) {
1915            PackageParser.Package p = mPackages.get(packageName);
1916            if (DEBUG_PACKAGE_INFO)
1917                Log.v(TAG, "getPackageInfo " + packageName + ": " + p);
1918            if (p != null) {
1919                return generatePackageInfo(p, flags, userId);
1920            }
1921            if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
1922                return generatePackageInfoFromSettingsLPw(packageName, flags, userId);
1923            }
1924        }
1925        return null;
1926    }
1927
1928    @Override
1929    public String[] currentToCanonicalPackageNames(String[] names) {
1930        String[] out = new String[names.length];
1931        // reader
1932        synchronized (mPackages) {
1933            for (int i=names.length-1; i>=0; i--) {
1934                PackageSetting ps = mSettings.mPackages.get(names[i]);
1935                out[i] = ps != null && ps.realName != null ? ps.realName : names[i];
1936            }
1937        }
1938        return out;
1939    }
1940
1941    @Override
1942    public String[] canonicalToCurrentPackageNames(String[] names) {
1943        String[] out = new String[names.length];
1944        // reader
1945        synchronized (mPackages) {
1946            for (int i=names.length-1; i>=0; i--) {
1947                String cur = mSettings.mRenamedPackages.get(names[i]);
1948                out[i] = cur != null ? cur : names[i];
1949            }
1950        }
1951        return out;
1952    }
1953
1954    @Override
1955    public int getPackageUid(String packageName, int userId) {
1956        if (!sUserManager.exists(userId)) return -1;
1957        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid");
1958        // reader
1959        synchronized (mPackages) {
1960            PackageParser.Package p = mPackages.get(packageName);
1961            if(p != null) {
1962                return UserHandle.getUid(userId, p.applicationInfo.uid);
1963            }
1964            PackageSetting ps = mSettings.mPackages.get(packageName);
1965            if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) {
1966                return -1;
1967            }
1968            p = ps.pkg;
1969            return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1;
1970        }
1971    }
1972
1973    @Override
1974    public int[] getPackageGids(String packageName) {
1975        // reader
1976        synchronized (mPackages) {
1977            PackageParser.Package p = mPackages.get(packageName);
1978            if (DEBUG_PACKAGE_INFO)
1979                Log.v(TAG, "getPackageGids" + packageName + ": " + p);
1980            if (p != null) {
1981                final PackageSetting ps = (PackageSetting)p.mExtras;
1982                return ps.getGids();
1983            }
1984        }
1985        // stupid thing to indicate an error.
1986        return new int[0];
1987    }
1988
1989    static final PermissionInfo generatePermissionInfo(
1990            BasePermission bp, int flags) {
1991        if (bp.perm != null) {
1992            return PackageParser.generatePermissionInfo(bp.perm, flags);
1993        }
1994        PermissionInfo pi = new PermissionInfo();
1995        pi.name = bp.name;
1996        pi.packageName = bp.sourcePackage;
1997        pi.nonLocalizedLabel = bp.name;
1998        pi.protectionLevel = bp.protectionLevel;
1999        return pi;
2000    }
2001
2002    @Override
2003    public PermissionInfo getPermissionInfo(String name, int flags) {
2004        // reader
2005        synchronized (mPackages) {
2006            final BasePermission p = mSettings.mPermissions.get(name);
2007            if (p != null) {
2008                return generatePermissionInfo(p, flags);
2009            }
2010            return null;
2011        }
2012    }
2013
2014    @Override
2015    public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) {
2016        // reader
2017        synchronized (mPackages) {
2018            ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10);
2019            for (BasePermission p : mSettings.mPermissions.values()) {
2020                if (group == null) {
2021                    if (p.perm == null || p.perm.info.group == null) {
2022                        out.add(generatePermissionInfo(p, flags));
2023                    }
2024                } else {
2025                    if (p.perm != null && group.equals(p.perm.info.group)) {
2026                        out.add(PackageParser.generatePermissionInfo(p.perm, flags));
2027                    }
2028                }
2029            }
2030
2031            if (out.size() > 0) {
2032                return out;
2033            }
2034            return mPermissionGroups.containsKey(group) ? out : null;
2035        }
2036    }
2037
2038    @Override
2039    public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) {
2040        // reader
2041        synchronized (mPackages) {
2042            return PackageParser.generatePermissionGroupInfo(
2043                    mPermissionGroups.get(name), flags);
2044        }
2045    }
2046
2047    @Override
2048    public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
2049        // reader
2050        synchronized (mPackages) {
2051            final int N = mPermissionGroups.size();
2052            ArrayList<PermissionGroupInfo> out
2053                    = new ArrayList<PermissionGroupInfo>(N);
2054            for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) {
2055                out.add(PackageParser.generatePermissionGroupInfo(pg, flags));
2056            }
2057            return out;
2058        }
2059    }
2060
2061    private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags,
2062            int userId) {
2063        if (!sUserManager.exists(userId)) return null;
2064        PackageSetting ps = mSettings.mPackages.get(packageName);
2065        if (ps != null) {
2066            if (ps.pkg == null) {
2067                PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName,
2068                        flags, userId);
2069                if (pInfo != null) {
2070                    return pInfo.applicationInfo;
2071                }
2072                return null;
2073            }
2074            return PackageParser.generateApplicationInfo(ps.pkg, flags,
2075                    ps.readUserState(userId), userId);
2076        }
2077        return null;
2078    }
2079
2080    private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags,
2081            int userId) {
2082        if (!sUserManager.exists(userId)) return null;
2083        PackageSetting ps = mSettings.mPackages.get(packageName);
2084        if (ps != null) {
2085            PackageParser.Package pkg = ps.pkg;
2086            if (pkg == null) {
2087                if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) {
2088                    return null;
2089                }
2090                // Only data remains, so we aren't worried about code paths
2091                pkg = new PackageParser.Package(packageName);
2092                pkg.applicationInfo.packageName = packageName;
2093                pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY;
2094                pkg.applicationInfo.dataDir =
2095                        getDataPathForPackage(packageName, 0).getPath();
2096                pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString;
2097                pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString;
2098            }
2099            return generatePackageInfo(pkg, flags, userId);
2100        }
2101        return null;
2102    }
2103
2104    @Override
2105    public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) {
2106        if (!sUserManager.exists(userId)) return null;
2107        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info");
2108        // writer
2109        synchronized (mPackages) {
2110            PackageParser.Package p = mPackages.get(packageName);
2111            if (DEBUG_PACKAGE_INFO) Log.v(
2112                    TAG, "getApplicationInfo " + packageName
2113                    + ": " + p);
2114            if (p != null) {
2115                PackageSetting ps = mSettings.mPackages.get(packageName);
2116                if (ps == null) return null;
2117                // Note: isEnabledLP() does not apply here - always return info
2118                return PackageParser.generateApplicationInfo(
2119                        p, flags, ps.readUserState(userId), userId);
2120            }
2121            if ("android".equals(packageName)||"system".equals(packageName)) {
2122                return mAndroidApplication;
2123            }
2124            if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
2125                return generateApplicationInfoFromSettingsLPw(packageName, flags, userId);
2126            }
2127        }
2128        return null;
2129    }
2130
2131
2132    @Override
2133    public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) {
2134        mContext.enforceCallingOrSelfPermission(
2135                android.Manifest.permission.CLEAR_APP_CACHE, null);
2136        // Queue up an async operation since clearing cache may take a little while.
2137        mHandler.post(new Runnable() {
2138            public void run() {
2139                mHandler.removeCallbacks(this);
2140                int retCode = -1;
2141                synchronized (mInstallLock) {
2142                    retCode = mInstaller.freeCache(freeStorageSize);
2143                    if (retCode < 0) {
2144                        Slog.w(TAG, "Couldn't clear application caches");
2145                    }
2146                }
2147                if (observer != null) {
2148                    try {
2149                        observer.onRemoveCompleted(null, (retCode >= 0));
2150                    } catch (RemoteException e) {
2151                        Slog.w(TAG, "RemoveException when invoking call back");
2152                    }
2153                }
2154            }
2155        });
2156    }
2157
2158    @Override
2159    public void freeStorage(final long freeStorageSize, final IntentSender pi) {
2160        mContext.enforceCallingOrSelfPermission(
2161                android.Manifest.permission.CLEAR_APP_CACHE, null);
2162        // Queue up an async operation since clearing cache may take a little while.
2163        mHandler.post(new Runnable() {
2164            public void run() {
2165                mHandler.removeCallbacks(this);
2166                int retCode = -1;
2167                synchronized (mInstallLock) {
2168                    retCode = mInstaller.freeCache(freeStorageSize);
2169                    if (retCode < 0) {
2170                        Slog.w(TAG, "Couldn't clear application caches");
2171                    }
2172                }
2173                if(pi != null) {
2174                    try {
2175                        // Callback via pending intent
2176                        int code = (retCode >= 0) ? 1 : 0;
2177                        pi.sendIntent(null, code, null,
2178                                null, null);
2179                    } catch (SendIntentException e1) {
2180                        Slog.i(TAG, "Failed to send pending intent");
2181                    }
2182                }
2183            }
2184        });
2185    }
2186
2187    void freeStorage(long freeStorageSize) throws IOException {
2188        synchronized (mInstallLock) {
2189            if (mInstaller.freeCache(freeStorageSize) < 0) {
2190                throw new IOException("Failed to free enough space");
2191            }
2192        }
2193    }
2194
2195    @Override
2196    public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) {
2197        if (!sUserManager.exists(userId)) return null;
2198        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info");
2199        synchronized (mPackages) {
2200            PackageParser.Activity a = mActivities.mActivities.get(component);
2201
2202            if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a);
2203            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
2204                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2205                if (ps == null) return null;
2206                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
2207                        userId);
2208            }
2209            if (mResolveComponentName.equals(component)) {
2210                return mResolveActivity;
2211            }
2212        }
2213        return null;
2214    }
2215
2216    @Override
2217    public boolean activitySupportsIntent(ComponentName component, Intent intent,
2218            String resolvedType) {
2219        synchronized (mPackages) {
2220            PackageParser.Activity a = mActivities.mActivities.get(component);
2221            if (a == null) {
2222                return false;
2223            }
2224            for (int i=0; i<a.intents.size(); i++) {
2225                if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(),
2226                        intent.getData(), intent.getCategories(), TAG) >= 0) {
2227                    return true;
2228                }
2229            }
2230            return false;
2231        }
2232    }
2233
2234    @Override
2235    public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) {
2236        if (!sUserManager.exists(userId)) return null;
2237        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info");
2238        synchronized (mPackages) {
2239            PackageParser.Activity a = mReceivers.mActivities.get(component);
2240            if (DEBUG_PACKAGE_INFO) Log.v(
2241                TAG, "getReceiverInfo " + component + ": " + a);
2242            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
2243                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2244                if (ps == null) return null;
2245                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
2246                        userId);
2247            }
2248        }
2249        return null;
2250    }
2251
2252    @Override
2253    public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) {
2254        if (!sUserManager.exists(userId)) return null;
2255        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info");
2256        synchronized (mPackages) {
2257            PackageParser.Service s = mServices.mServices.get(component);
2258            if (DEBUG_PACKAGE_INFO) Log.v(
2259                TAG, "getServiceInfo " + component + ": " + s);
2260            if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) {
2261                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2262                if (ps == null) return null;
2263                return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId),
2264                        userId);
2265            }
2266        }
2267        return null;
2268    }
2269
2270    @Override
2271    public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) {
2272        if (!sUserManager.exists(userId)) return null;
2273        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info");
2274        synchronized (mPackages) {
2275            PackageParser.Provider p = mProviders.mProviders.get(component);
2276            if (DEBUG_PACKAGE_INFO) Log.v(
2277                TAG, "getProviderInfo " + component + ": " + p);
2278            if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) {
2279                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2280                if (ps == null) return null;
2281                return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId),
2282                        userId);
2283            }
2284        }
2285        return null;
2286    }
2287
2288    @Override
2289    public String[] getSystemSharedLibraryNames() {
2290        Set<String> libSet;
2291        synchronized (mPackages) {
2292            libSet = mSharedLibraries.keySet();
2293            int size = libSet.size();
2294            if (size > 0) {
2295                String[] libs = new String[size];
2296                libSet.toArray(libs);
2297                return libs;
2298            }
2299        }
2300        return null;
2301    }
2302
2303    @Override
2304    public FeatureInfo[] getSystemAvailableFeatures() {
2305        Collection<FeatureInfo> featSet;
2306        synchronized (mPackages) {
2307            featSet = mAvailableFeatures.values();
2308            int size = featSet.size();
2309            if (size > 0) {
2310                FeatureInfo[] features = new FeatureInfo[size+1];
2311                featSet.toArray(features);
2312                FeatureInfo fi = new FeatureInfo();
2313                fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version",
2314                        FeatureInfo.GL_ES_VERSION_UNDEFINED);
2315                features[size] = fi;
2316                return features;
2317            }
2318        }
2319        return null;
2320    }
2321
2322    @Override
2323    public boolean hasSystemFeature(String name) {
2324        synchronized (mPackages) {
2325            return mAvailableFeatures.containsKey(name);
2326        }
2327    }
2328
2329    private void checkValidCaller(int uid, int userId) {
2330        if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0)
2331            return;
2332
2333        throw new SecurityException("Caller uid=" + uid
2334                + " is not privileged to communicate with user=" + userId);
2335    }
2336
2337    @Override
2338    public int checkPermission(String permName, String pkgName) {
2339        synchronized (mPackages) {
2340            PackageParser.Package p = mPackages.get(pkgName);
2341            if (p != null && p.mExtras != null) {
2342                PackageSetting ps = (PackageSetting)p.mExtras;
2343                if (ps.sharedUser != null) {
2344                    if (ps.sharedUser.grantedPermissions.contains(permName)) {
2345                        return PackageManager.PERMISSION_GRANTED;
2346                    }
2347                } else if (ps.grantedPermissions.contains(permName)) {
2348                    return PackageManager.PERMISSION_GRANTED;
2349                }
2350            }
2351        }
2352        return PackageManager.PERMISSION_DENIED;
2353    }
2354
2355    @Override
2356    public int checkUidPermission(String permName, int uid) {
2357        synchronized (mPackages) {
2358            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
2359            if (obj != null) {
2360                GrantedPermissions gp = (GrantedPermissions)obj;
2361                if (gp.grantedPermissions.contains(permName)) {
2362                    return PackageManager.PERMISSION_GRANTED;
2363                }
2364            } else {
2365                HashSet<String> perms = mSystemPermissions.get(uid);
2366                if (perms != null && perms.contains(permName)) {
2367                    return PackageManager.PERMISSION_GRANTED;
2368                }
2369            }
2370        }
2371        return PackageManager.PERMISSION_DENIED;
2372    }
2373
2374    /**
2375     * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS
2376     * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller.
2377     * @param message the message to log on security exception
2378     */
2379    void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission,
2380            String message) {
2381        if (userId < 0) {
2382            throw new IllegalArgumentException("Invalid userId " + userId);
2383        }
2384        if (userId == UserHandle.getUserId(callingUid)) return;
2385        if (callingUid != Process.SYSTEM_UID && callingUid != 0) {
2386            if (requireFullPermission) {
2387                mContext.enforceCallingOrSelfPermission(
2388                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
2389            } else {
2390                try {
2391                    mContext.enforceCallingOrSelfPermission(
2392                            android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
2393                } catch (SecurityException se) {
2394                    mContext.enforceCallingOrSelfPermission(
2395                            android.Manifest.permission.INTERACT_ACROSS_USERS, message);
2396                }
2397            }
2398        }
2399    }
2400
2401    private BasePermission findPermissionTreeLP(String permName) {
2402        for(BasePermission bp : mSettings.mPermissionTrees.values()) {
2403            if (permName.startsWith(bp.name) &&
2404                    permName.length() > bp.name.length() &&
2405                    permName.charAt(bp.name.length()) == '.') {
2406                return bp;
2407            }
2408        }
2409        return null;
2410    }
2411
2412    private BasePermission checkPermissionTreeLP(String permName) {
2413        if (permName != null) {
2414            BasePermission bp = findPermissionTreeLP(permName);
2415            if (bp != null) {
2416                if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) {
2417                    return bp;
2418                }
2419                throw new SecurityException("Calling uid "
2420                        + Binder.getCallingUid()
2421                        + " is not allowed to add to permission tree "
2422                        + bp.name + " owned by uid " + bp.uid);
2423            }
2424        }
2425        throw new SecurityException("No permission tree found for " + permName);
2426    }
2427
2428    static boolean compareStrings(CharSequence s1, CharSequence s2) {
2429        if (s1 == null) {
2430            return s2 == null;
2431        }
2432        if (s2 == null) {
2433            return false;
2434        }
2435        if (s1.getClass() != s2.getClass()) {
2436            return false;
2437        }
2438        return s1.equals(s2);
2439    }
2440
2441    static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) {
2442        if (pi1.icon != pi2.icon) return false;
2443        if (pi1.logo != pi2.logo) return false;
2444        if (pi1.protectionLevel != pi2.protectionLevel) return false;
2445        if (!compareStrings(pi1.name, pi2.name)) return false;
2446        if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false;
2447        // We'll take care of setting this one.
2448        if (!compareStrings(pi1.packageName, pi2.packageName)) return false;
2449        // These are not currently stored in settings.
2450        //if (!compareStrings(pi1.group, pi2.group)) return false;
2451        //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false;
2452        //if (pi1.labelRes != pi2.labelRes) return false;
2453        //if (pi1.descriptionRes != pi2.descriptionRes) return false;
2454        return true;
2455    }
2456
2457    int permissionInfoFootprint(PermissionInfo info) {
2458        int size = info.name.length();
2459        if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length();
2460        if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length();
2461        return size;
2462    }
2463
2464    int calculateCurrentPermissionFootprintLocked(BasePermission tree) {
2465        int size = 0;
2466        for (BasePermission perm : mSettings.mPermissions.values()) {
2467            if (perm.uid == tree.uid) {
2468                size += perm.name.length() + permissionInfoFootprint(perm.perm.info);
2469            }
2470        }
2471        return size;
2472    }
2473
2474    void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) {
2475        // We calculate the max size of permissions defined by this uid and throw
2476        // if that plus the size of 'info' would exceed our stated maximum.
2477        if (tree.uid != Process.SYSTEM_UID) {
2478            final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree);
2479            if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) {
2480                throw new SecurityException("Permission tree size cap exceeded");
2481            }
2482        }
2483    }
2484
2485    boolean addPermissionLocked(PermissionInfo info, boolean async) {
2486        if (info.labelRes == 0 && info.nonLocalizedLabel == null) {
2487            throw new SecurityException("Label must be specified in permission");
2488        }
2489        BasePermission tree = checkPermissionTreeLP(info.name);
2490        BasePermission bp = mSettings.mPermissions.get(info.name);
2491        boolean added = bp == null;
2492        boolean changed = true;
2493        int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel);
2494        if (added) {
2495            enforcePermissionCapLocked(info, tree);
2496            bp = new BasePermission(info.name, tree.sourcePackage,
2497                    BasePermission.TYPE_DYNAMIC);
2498        } else if (bp.type != BasePermission.TYPE_DYNAMIC) {
2499            throw new SecurityException(
2500                    "Not allowed to modify non-dynamic permission "
2501                    + info.name);
2502        } else {
2503            if (bp.protectionLevel == fixedLevel
2504                    && bp.perm.owner.equals(tree.perm.owner)
2505                    && bp.uid == tree.uid
2506                    && comparePermissionInfos(bp.perm.info, info)) {
2507                changed = false;
2508            }
2509        }
2510        bp.protectionLevel = fixedLevel;
2511        info = new PermissionInfo(info);
2512        info.protectionLevel = fixedLevel;
2513        bp.perm = new PackageParser.Permission(tree.perm.owner, info);
2514        bp.perm.info.packageName = tree.perm.info.packageName;
2515        bp.uid = tree.uid;
2516        if (added) {
2517            mSettings.mPermissions.put(info.name, bp);
2518        }
2519        if (changed) {
2520            if (!async) {
2521                mSettings.writeLPr();
2522            } else {
2523                scheduleWriteSettingsLocked();
2524            }
2525        }
2526        return added;
2527    }
2528
2529    @Override
2530    public boolean addPermission(PermissionInfo info) {
2531        synchronized (mPackages) {
2532            return addPermissionLocked(info, false);
2533        }
2534    }
2535
2536    @Override
2537    public boolean addPermissionAsync(PermissionInfo info) {
2538        synchronized (mPackages) {
2539            return addPermissionLocked(info, true);
2540        }
2541    }
2542
2543    @Override
2544    public void removePermission(String name) {
2545        synchronized (mPackages) {
2546            checkPermissionTreeLP(name);
2547            BasePermission bp = mSettings.mPermissions.get(name);
2548            if (bp != null) {
2549                if (bp.type != BasePermission.TYPE_DYNAMIC) {
2550                    throw new SecurityException(
2551                            "Not allowed to modify non-dynamic permission "
2552                            + name);
2553                }
2554                mSettings.mPermissions.remove(name);
2555                mSettings.writeLPr();
2556            }
2557        }
2558    }
2559
2560    private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) {
2561        int index = pkg.requestedPermissions.indexOf(bp.name);
2562        if (index == -1) {
2563            throw new SecurityException("Package " + pkg.packageName
2564                    + " has not requested permission " + bp.name);
2565        }
2566        boolean isNormal =
2567                ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE)
2568                        == PermissionInfo.PROTECTION_NORMAL);
2569        boolean isDangerous =
2570                ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE)
2571                        == PermissionInfo.PROTECTION_DANGEROUS);
2572        boolean isDevelopment =
2573                ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0);
2574
2575        if (!isNormal && !isDangerous && !isDevelopment) {
2576            throw new SecurityException("Permission " + bp.name
2577                    + " is not a changeable permission type");
2578        }
2579
2580        if (isNormal || isDangerous) {
2581            if (pkg.requestedPermissionsRequired.get(index)) {
2582                throw new SecurityException("Can't change " + bp.name
2583                        + ". It is required by the application");
2584            }
2585        }
2586    }
2587
2588    @Override
2589    public void grantPermission(String packageName, String permissionName) {
2590        mContext.enforceCallingOrSelfPermission(
2591                android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null);
2592        synchronized (mPackages) {
2593            final PackageParser.Package pkg = mPackages.get(packageName);
2594            if (pkg == null) {
2595                throw new IllegalArgumentException("Unknown package: " + packageName);
2596            }
2597            final BasePermission bp = mSettings.mPermissions.get(permissionName);
2598            if (bp == null) {
2599                throw new IllegalArgumentException("Unknown permission: " + permissionName);
2600            }
2601
2602            checkGrantRevokePermissions(pkg, bp);
2603
2604            final PackageSetting ps = (PackageSetting) pkg.mExtras;
2605            if (ps == null) {
2606                return;
2607            }
2608            final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps;
2609            if (gp.grantedPermissions.add(permissionName)) {
2610                if (ps.haveGids) {
2611                    gp.gids = appendInts(gp.gids, bp.gids);
2612                }
2613                mSettings.writeLPr();
2614            }
2615        }
2616    }
2617
2618    @Override
2619    public void revokePermission(String packageName, String permissionName) {
2620        int changedAppId = -1;
2621
2622        synchronized (mPackages) {
2623            final PackageParser.Package pkg = mPackages.get(packageName);
2624            if (pkg == null) {
2625                throw new IllegalArgumentException("Unknown package: " + packageName);
2626            }
2627            if (pkg.applicationInfo.uid != Binder.getCallingUid()) {
2628                mContext.enforceCallingOrSelfPermission(
2629                        android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null);
2630            }
2631            final BasePermission bp = mSettings.mPermissions.get(permissionName);
2632            if (bp == null) {
2633                throw new IllegalArgumentException("Unknown permission: " + permissionName);
2634            }
2635
2636            checkGrantRevokePermissions(pkg, bp);
2637
2638            final PackageSetting ps = (PackageSetting) pkg.mExtras;
2639            if (ps == null) {
2640                return;
2641            }
2642            final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps;
2643            if (gp.grantedPermissions.remove(permissionName)) {
2644                gp.grantedPermissions.remove(permissionName);
2645                if (ps.haveGids) {
2646                    gp.gids = removeInts(gp.gids, bp.gids);
2647                }
2648                mSettings.writeLPr();
2649                changedAppId = ps.appId;
2650            }
2651        }
2652
2653        if (changedAppId >= 0) {
2654            // We changed the perm on someone, kill its processes.
2655            IActivityManager am = ActivityManagerNative.getDefault();
2656            if (am != null) {
2657                final int callingUserId = UserHandle.getCallingUserId();
2658                final long ident = Binder.clearCallingIdentity();
2659                try {
2660                    //XXX we should only revoke for the calling user's app permissions,
2661                    // but for now we impact all users.
2662                    //am.killUid(UserHandle.getUid(callingUserId, changedAppId),
2663                    //        "revoke " + permissionName);
2664                    int[] users = sUserManager.getUserIds();
2665                    for (int user : users) {
2666                        am.killUid(UserHandle.getUid(user, changedAppId),
2667                                "revoke " + permissionName);
2668                    }
2669                } catch (RemoteException e) {
2670                } finally {
2671                    Binder.restoreCallingIdentity(ident);
2672                }
2673            }
2674        }
2675    }
2676
2677    @Override
2678    public boolean isProtectedBroadcast(String actionName) {
2679        synchronized (mPackages) {
2680            return mProtectedBroadcasts.contains(actionName);
2681        }
2682    }
2683
2684    @Override
2685    public int checkSignatures(String pkg1, String pkg2) {
2686        synchronized (mPackages) {
2687            final PackageParser.Package p1 = mPackages.get(pkg1);
2688            final PackageParser.Package p2 = mPackages.get(pkg2);
2689            if (p1 == null || p1.mExtras == null
2690                    || p2 == null || p2.mExtras == null) {
2691                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2692            }
2693            return compareSignatures(p1.mSignatures, p2.mSignatures);
2694        }
2695    }
2696
2697    @Override
2698    public int checkUidSignatures(int uid1, int uid2) {
2699        // Map to base uids.
2700        uid1 = UserHandle.getAppId(uid1);
2701        uid2 = UserHandle.getAppId(uid2);
2702        // reader
2703        synchronized (mPackages) {
2704            Signature[] s1;
2705            Signature[] s2;
2706            Object obj = mSettings.getUserIdLPr(uid1);
2707            if (obj != null) {
2708                if (obj instanceof SharedUserSetting) {
2709                    s1 = ((SharedUserSetting)obj).signatures.mSignatures;
2710                } else if (obj instanceof PackageSetting) {
2711                    s1 = ((PackageSetting)obj).signatures.mSignatures;
2712                } else {
2713                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2714                }
2715            } else {
2716                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2717            }
2718            obj = mSettings.getUserIdLPr(uid2);
2719            if (obj != null) {
2720                if (obj instanceof SharedUserSetting) {
2721                    s2 = ((SharedUserSetting)obj).signatures.mSignatures;
2722                } else if (obj instanceof PackageSetting) {
2723                    s2 = ((PackageSetting)obj).signatures.mSignatures;
2724                } else {
2725                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2726                }
2727            } else {
2728                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2729            }
2730            return compareSignatures(s1, s2);
2731        }
2732    }
2733
2734    /**
2735     * Compares two sets of signatures. Returns:
2736     * <br />
2737     * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null,
2738     * <br />
2739     * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null,
2740     * <br />
2741     * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null,
2742     * <br />
2743     * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical,
2744     * <br />
2745     * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ.
2746     */
2747    static int compareSignatures(Signature[] s1, Signature[] s2) {
2748        if (s1 == null) {
2749            return s2 == null
2750                    ? PackageManager.SIGNATURE_NEITHER_SIGNED
2751                    : PackageManager.SIGNATURE_FIRST_NOT_SIGNED;
2752        }
2753
2754        if (s2 == null) {
2755            return PackageManager.SIGNATURE_SECOND_NOT_SIGNED;
2756        }
2757
2758        if (s1.length != s2.length) {
2759            return PackageManager.SIGNATURE_NO_MATCH;
2760        }
2761
2762        // Since both signature sets are of size 1, we can compare without HashSets.
2763        if (s1.length == 1) {
2764            return s1[0].equals(s2[0]) ?
2765                    PackageManager.SIGNATURE_MATCH :
2766                    PackageManager.SIGNATURE_NO_MATCH;
2767        }
2768
2769        HashSet<Signature> set1 = new HashSet<Signature>();
2770        for (Signature sig : s1) {
2771            set1.add(sig);
2772        }
2773        HashSet<Signature> set2 = new HashSet<Signature>();
2774        for (Signature sig : s2) {
2775            set2.add(sig);
2776        }
2777        // Make sure s2 contains all signatures in s1.
2778        if (set1.equals(set2)) {
2779            return PackageManager.SIGNATURE_MATCH;
2780        }
2781        return PackageManager.SIGNATURE_NO_MATCH;
2782    }
2783
2784    /**
2785     * If the database version for this type of package (internal storage or
2786     * external storage) is less than the version where package signatures
2787     * were updated, return true.
2788     */
2789    private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) {
2790        return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan(
2791                DatabaseVersion.SIGNATURE_END_ENTITY))
2792                || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan(
2793                        DatabaseVersion.SIGNATURE_END_ENTITY));
2794    }
2795
2796    /**
2797     * Used for backward compatibility to make sure any packages with
2798     * certificate chains get upgraded to the new style. {@code existingSigs}
2799     * will be in the old format (since they were stored on disk from before the
2800     * system upgrade) and {@code scannedSigs} will be in the newer format.
2801     */
2802    private int compareSignaturesCompat(PackageSignatures existingSigs,
2803            PackageParser.Package scannedPkg) {
2804        if (!isCompatSignatureUpdateNeeded(scannedPkg)) {
2805            return PackageManager.SIGNATURE_NO_MATCH;
2806        }
2807
2808        HashSet<Signature> existingSet = new HashSet<Signature>();
2809        for (Signature sig : existingSigs.mSignatures) {
2810            existingSet.add(sig);
2811        }
2812        HashSet<Signature> scannedCompatSet = new HashSet<Signature>();
2813        for (Signature sig : scannedPkg.mSignatures) {
2814            try {
2815                Signature[] chainSignatures = sig.getChainSignatures();
2816                for (Signature chainSig : chainSignatures) {
2817                    scannedCompatSet.add(chainSig);
2818                }
2819            } catch (CertificateEncodingException e) {
2820                scannedCompatSet.add(sig);
2821            }
2822        }
2823        /*
2824         * Make sure the expanded scanned set contains all signatures in the
2825         * existing one.
2826         */
2827        if (scannedCompatSet.equals(existingSet)) {
2828            // Migrate the old signatures to the new scheme.
2829            existingSigs.assignSignatures(scannedPkg.mSignatures);
2830            // The new KeySets will be re-added later in the scanning process.
2831            synchronized (mPackages) {
2832                mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName);
2833            }
2834            return PackageManager.SIGNATURE_MATCH;
2835        }
2836        return PackageManager.SIGNATURE_NO_MATCH;
2837    }
2838
2839    @Override
2840    public String[] getPackagesForUid(int uid) {
2841        uid = UserHandle.getAppId(uid);
2842        // reader
2843        synchronized (mPackages) {
2844            Object obj = mSettings.getUserIdLPr(uid);
2845            if (obj instanceof SharedUserSetting) {
2846                final SharedUserSetting sus = (SharedUserSetting) obj;
2847                final int N = sus.packages.size();
2848                final String[] res = new String[N];
2849                final Iterator<PackageSetting> it = sus.packages.iterator();
2850                int i = 0;
2851                while (it.hasNext()) {
2852                    res[i++] = it.next().name;
2853                }
2854                return res;
2855            } else if (obj instanceof PackageSetting) {
2856                final PackageSetting ps = (PackageSetting) obj;
2857                return new String[] { ps.name };
2858            }
2859        }
2860        return null;
2861    }
2862
2863    @Override
2864    public String getNameForUid(int uid) {
2865        // reader
2866        synchronized (mPackages) {
2867            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
2868            if (obj instanceof SharedUserSetting) {
2869                final SharedUserSetting sus = (SharedUserSetting) obj;
2870                return sus.name + ":" + sus.userId;
2871            } else if (obj instanceof PackageSetting) {
2872                final PackageSetting ps = (PackageSetting) obj;
2873                return ps.name;
2874            }
2875        }
2876        return null;
2877    }
2878
2879    @Override
2880    public int getUidForSharedUser(String sharedUserName) {
2881        if(sharedUserName == null) {
2882            return -1;
2883        }
2884        // reader
2885        synchronized (mPackages) {
2886            final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false);
2887            if (suid == null) {
2888                return -1;
2889            }
2890            return suid.userId;
2891        }
2892    }
2893
2894    @Override
2895    public int getFlagsForUid(int uid) {
2896        synchronized (mPackages) {
2897            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
2898            if (obj instanceof SharedUserSetting) {
2899                final SharedUserSetting sus = (SharedUserSetting) obj;
2900                return sus.pkgFlags;
2901            } else if (obj instanceof PackageSetting) {
2902                final PackageSetting ps = (PackageSetting) obj;
2903                return ps.pkgFlags;
2904            }
2905        }
2906        return 0;
2907    }
2908
2909    @Override
2910    public ResolveInfo resolveIntent(Intent intent, String resolvedType,
2911            int flags, int userId) {
2912        if (!sUserManager.exists(userId)) return null;
2913        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent");
2914        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
2915        return chooseBestActivity(intent, resolvedType, flags, query, userId);
2916    }
2917
2918    @Override
2919    public void setLastChosenActivity(Intent intent, String resolvedType, int flags,
2920            IntentFilter filter, int match, ComponentName activity) {
2921        final int userId = UserHandle.getCallingUserId();
2922        if (DEBUG_PREFERRED) {
2923            Log.v(TAG, "setLastChosenActivity intent=" + intent
2924                + " resolvedType=" + resolvedType
2925                + " flags=" + flags
2926                + " filter=" + filter
2927                + " match=" + match
2928                + " activity=" + activity);
2929            filter.dump(new PrintStreamPrinter(System.out), "    ");
2930        }
2931        intent.setComponent(null);
2932        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
2933        // Find any earlier preferred or last chosen entries and nuke them
2934        findPreferredActivity(intent, resolvedType,
2935                flags, query, 0, false, true, false, userId);
2936        // Add the new activity as the last chosen for this filter
2937        addPreferredActivityInternal(filter, match, null, activity, false, userId);
2938    }
2939
2940    @Override
2941    public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) {
2942        final int userId = UserHandle.getCallingUserId();
2943        if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent);
2944        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
2945        return findPreferredActivity(intent, resolvedType, flags, query, 0,
2946                false, false, false, userId);
2947    }
2948
2949    private ResolveInfo chooseBestActivity(Intent intent, String resolvedType,
2950            int flags, List<ResolveInfo> query, int userId) {
2951        if (query != null) {
2952            final int N = query.size();
2953            if (N == 1) {
2954                return query.get(0);
2955            } else if (N > 1) {
2956                final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0);
2957                // If there is more than one activity with the same priority,
2958                // then let the user decide between them.
2959                ResolveInfo r0 = query.get(0);
2960                ResolveInfo r1 = query.get(1);
2961                if (DEBUG_INTENT_MATCHING || debug) {
2962                    Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs "
2963                            + r1.activityInfo.name + "=" + r1.priority);
2964                }
2965                // If the first activity has a higher priority, or a different
2966                // default, then it is always desireable to pick it.
2967                if (r0.priority != r1.priority
2968                        || r0.preferredOrder != r1.preferredOrder
2969                        || r0.isDefault != r1.isDefault) {
2970                    return query.get(0);
2971                }
2972                // If we have saved a preference for a preferred activity for
2973                // this Intent, use that.
2974                ResolveInfo ri = findPreferredActivity(intent, resolvedType,
2975                        flags, query, r0.priority, true, false, debug, userId);
2976                if (ri != null) {
2977                    return ri;
2978                }
2979                if (userId != 0) {
2980                    ri = new ResolveInfo(mResolveInfo);
2981                    ri.activityInfo = new ActivityInfo(ri.activityInfo);
2982                    ri.activityInfo.applicationInfo = new ApplicationInfo(
2983                            ri.activityInfo.applicationInfo);
2984                    ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId,
2985                            UserHandle.getAppId(ri.activityInfo.applicationInfo.uid));
2986                    return ri;
2987                }
2988                return mResolveInfo;
2989            }
2990        }
2991        return null;
2992    }
2993
2994    private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType,
2995            int flags, List<ResolveInfo> query, boolean debug, int userId) {
2996        final int N = query.size();
2997        PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
2998                .get(userId);
2999        // Get the list of persistent preferred activities that handle the intent
3000        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities...");
3001        List<PersistentPreferredActivity> pprefs = ppir != null
3002                ? ppir.queryIntent(intent, resolvedType,
3003                        (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
3004                : null;
3005        if (pprefs != null && pprefs.size() > 0) {
3006            final int M = pprefs.size();
3007            for (int i=0; i<M; i++) {
3008                final PersistentPreferredActivity ppa = pprefs.get(i);
3009                if (DEBUG_PREFERRED || debug) {
3010                    Slog.v(TAG, "Checking PersistentPreferredActivity ds="
3011                            + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>")
3012                            + "\n  component=" + ppa.mComponent);
3013                    ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3014                }
3015                final ActivityInfo ai = getActivityInfo(ppa.mComponent,
3016                        flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
3017                if (DEBUG_PREFERRED || debug) {
3018                    Slog.v(TAG, "Found persistent preferred activity:");
3019                    if (ai != null) {
3020                        ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3021                    } else {
3022                        Slog.v(TAG, "  null");
3023                    }
3024                }
3025                if (ai == null) {
3026                    // This previously registered persistent preferred activity
3027                    // component is no longer known. Ignore it and do NOT remove it.
3028                    continue;
3029                }
3030                for (int j=0; j<N; j++) {
3031                    final ResolveInfo ri = query.get(j);
3032                    if (!ri.activityInfo.applicationInfo.packageName
3033                            .equals(ai.applicationInfo.packageName)) {
3034                        continue;
3035                    }
3036                    if (!ri.activityInfo.name.equals(ai.name)) {
3037                        continue;
3038                    }
3039                    //  Found a persistent preference that can handle the intent.
3040                    if (DEBUG_PREFERRED || debug) {
3041                        Slog.v(TAG, "Returning persistent preferred activity: " +
3042                                ri.activityInfo.packageName + "/" + ri.activityInfo.name);
3043                    }
3044                    return ri;
3045                }
3046            }
3047        }
3048        return null;
3049    }
3050
3051    ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags,
3052            List<ResolveInfo> query, int priority, boolean always,
3053            boolean removeMatches, boolean debug, int userId) {
3054        if (!sUserManager.exists(userId)) return null;
3055        // writer
3056        synchronized (mPackages) {
3057            if (intent.getSelector() != null) {
3058                intent = intent.getSelector();
3059            }
3060            if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION);
3061
3062            // Try to find a matching persistent preferred activity.
3063            ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query,
3064                    debug, userId);
3065
3066            // If a persistent preferred activity matched, use it.
3067            if (pri != null) {
3068                return pri;
3069            }
3070
3071            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
3072            // Get the list of preferred activities that handle the intent
3073            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities...");
3074            List<PreferredActivity> prefs = pir != null
3075                    ? pir.queryIntent(intent, resolvedType,
3076                            (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
3077                    : null;
3078            if (prefs != null && prefs.size() > 0) {
3079                // First figure out how good the original match set is.
3080                // We will only allow preferred activities that came
3081                // from the same match quality.
3082                int match = 0;
3083
3084                if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match...");
3085
3086                final int N = query.size();
3087                for (int j=0; j<N; j++) {
3088                    final ResolveInfo ri = query.get(j);
3089                    if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo
3090                            + ": 0x" + Integer.toHexString(match));
3091                    if (ri.match > match) {
3092                        match = ri.match;
3093                    }
3094                }
3095
3096                if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x"
3097                        + Integer.toHexString(match));
3098
3099                match &= IntentFilter.MATCH_CATEGORY_MASK;
3100                final int M = prefs.size();
3101                for (int i=0; i<M; i++) {
3102                    final PreferredActivity pa = prefs.get(i);
3103                    if (DEBUG_PREFERRED || debug) {
3104                        Slog.v(TAG, "Checking PreferredActivity ds="
3105                                + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>")
3106                                + "\n  component=" + pa.mPref.mComponent);
3107                        pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3108                    }
3109                    if (pa.mPref.mMatch != match) {
3110                        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match "
3111                                + Integer.toHexString(pa.mPref.mMatch));
3112                        continue;
3113                    }
3114                    // If it's not an "always" type preferred activity and that's what we're
3115                    // looking for, skip it.
3116                    if (always && !pa.mPref.mAlways) {
3117                        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry");
3118                        continue;
3119                    }
3120                    final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent,
3121                            flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
3122                    if (DEBUG_PREFERRED || debug) {
3123                        Slog.v(TAG, "Found preferred activity:");
3124                        if (ai != null) {
3125                            ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3126                        } else {
3127                            Slog.v(TAG, "  null");
3128                        }
3129                    }
3130                    if (ai == null) {
3131                        // This previously registered preferred activity
3132                        // component is no longer known.  Most likely an update
3133                        // to the app was installed and in the new version this
3134                        // component no longer exists.  Clean it up by removing
3135                        // it from the preferred activities list, and skip it.
3136                        Slog.w(TAG, "Removing dangling preferred activity: "
3137                                + pa.mPref.mComponent);
3138                        pir.removeFilter(pa);
3139                        continue;
3140                    }
3141                    for (int j=0; j<N; j++) {
3142                        final ResolveInfo ri = query.get(j);
3143                        if (!ri.activityInfo.applicationInfo.packageName
3144                                .equals(ai.applicationInfo.packageName)) {
3145                            continue;
3146                        }
3147                        if (!ri.activityInfo.name.equals(ai.name)) {
3148                            continue;
3149                        }
3150
3151                        if (removeMatches) {
3152                            pir.removeFilter(pa);
3153                            if (DEBUG_PREFERRED) {
3154                                Slog.v(TAG, "Removing match " + pa.mPref.mComponent);
3155                            }
3156                            break;
3157                        }
3158
3159                        // Okay we found a previously set preferred or last chosen app.
3160                        // If the result set is different from when this
3161                        // was created, we need to clear it and re-ask the
3162                        // user their preference, if we're looking for an "always" type entry.
3163                        if (always && !pa.mPref.sameSet(query, priority)) {
3164                            Slog.i(TAG, "Result set changed, dropping preferred activity for "
3165                                    + intent + " type " + resolvedType);
3166                            if (DEBUG_PREFERRED) {
3167                                Slog.v(TAG, "Removing preferred activity since set changed "
3168                                        + pa.mPref.mComponent);
3169                            }
3170                            pir.removeFilter(pa);
3171                            // Re-add the filter as a "last chosen" entry (!always)
3172                            PreferredActivity lastChosen = new PreferredActivity(
3173                                    pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false);
3174                            pir.addFilter(lastChosen);
3175                            mSettings.writePackageRestrictionsLPr(userId);
3176                            return null;
3177                        }
3178
3179                        // Yay! Either the set matched or we're looking for the last chosen
3180                        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: "
3181                                + ri.activityInfo.packageName + "/" + ri.activityInfo.name);
3182                        mSettings.writePackageRestrictionsLPr(userId);
3183                        return ri;
3184                    }
3185                }
3186            }
3187            mSettings.writePackageRestrictionsLPr(userId);
3188        }
3189        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return");
3190        return null;
3191    }
3192
3193    /*
3194     * Returns if intent can be forwarded from the sourceUserId to the targetUserId
3195     */
3196    @Override
3197    public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId,
3198            int targetUserId) {
3199        mContext.enforceCallingOrSelfPermission(
3200                android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
3201        List<CrossProfileIntentFilter> matches =
3202                getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId);
3203        if (matches != null) {
3204            int size = matches.size();
3205            for (int i = 0; i < size; i++) {
3206                if (matches.get(i).getTargetUserId() == targetUserId) return true;
3207            }
3208        }
3209
3210        ArrayList<String> packageNames = null;
3211        SparseArray<ArrayList<String>> fromSource =
3212                mSettings.mCrossProfilePackageInfo.get(sourceUserId);
3213        if (fromSource != null) {
3214            packageNames = fromSource.get(targetUserId);
3215        }
3216        if (packageNames.contains(intent.getPackage())) {
3217            return true;
3218        }
3219        // We need the package name, so we try to resolve with the loosest flags possible
3220        List<ResolveInfo> resolveInfos = mActivities.queryIntent(
3221                intent, resolvedType, PackageManager.GET_UNINSTALLED_PACKAGES, targetUserId);
3222        int count = resolveInfos.size();
3223        for (int i = 0; i < count; i++) {
3224            ResolveInfo resolveInfo = resolveInfos.get(i);
3225            if (packageNames.contains(resolveInfo.activityInfo.packageName)) {
3226                return true;
3227            }
3228        }
3229        return false;
3230    }
3231
3232    private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent,
3233            String resolvedType, int userId) {
3234        CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId);
3235        if (resolver != null) {
3236            return resolver.queryIntent(intent, resolvedType, false, userId);
3237        }
3238        return null;
3239    }
3240
3241    @Override
3242    public List<ResolveInfo> queryIntentActivities(Intent intent,
3243            String resolvedType, int flags, int userId) {
3244        if (!sUserManager.exists(userId)) return Collections.emptyList();
3245        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities");
3246        ComponentName comp = intent.getComponent();
3247        if (comp == null) {
3248            if (intent.getSelector() != null) {
3249                intent = intent.getSelector();
3250                comp = intent.getComponent();
3251            }
3252        }
3253
3254        if (comp != null) {
3255            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3256            final ActivityInfo ai = getActivityInfo(comp, flags, userId);
3257            if (ai != null) {
3258                final ResolveInfo ri = new ResolveInfo();
3259                ri.activityInfo = ai;
3260                list.add(ri);
3261            }
3262            return list;
3263        }
3264
3265        // reader
3266        synchronized (mPackages) {
3267            final String pkgName = intent.getPackage();
3268            boolean queryCrossProfile = (flags & PackageManager.NO_CROSS_PROFILE) == 0;
3269            if (pkgName == null) {
3270                ResolveInfo resolveInfo = null;
3271                if (queryCrossProfile) {
3272                    // Check if the intent needs to be forwarded to another user for this package
3273                    ArrayList<ResolveInfo> crossProfileResult =
3274                            queryIntentActivitiesCrossProfilePackage(
3275                                    intent, resolvedType, flags, userId);
3276                    if (!crossProfileResult.isEmpty()) {
3277                        // Skip the current profile
3278                        return crossProfileResult;
3279                    }
3280                    List<CrossProfileIntentFilter> matchingFilters =
3281                            getMatchingCrossProfileIntentFilters(intent, resolvedType, userId);
3282                    // Check for results that need to skip the current profile.
3283                    resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent,
3284                            resolvedType, flags, userId);
3285                    if (resolveInfo != null) {
3286                        List<ResolveInfo> result = new ArrayList<ResolveInfo>(1);
3287                        result.add(resolveInfo);
3288                        return result;
3289                    }
3290                    // Check for cross profile results.
3291                    resolveInfo = queryCrossProfileIntents(
3292                            matchingFilters, intent, resolvedType, flags, userId);
3293                }
3294                // Check for results in the current profile.
3295                List<ResolveInfo> result = mActivities.queryIntent(
3296                        intent, resolvedType, flags, userId);
3297                if (resolveInfo != null) {
3298                    result.add(resolveInfo);
3299                }
3300                return result;
3301            }
3302            final PackageParser.Package pkg = mPackages.get(pkgName);
3303            if (pkg != null) {
3304                if (queryCrossProfile) {
3305                    ArrayList<ResolveInfo> crossProfileResult =
3306                            queryIntentActivitiesCrossProfilePackage(
3307                                    intent, resolvedType, flags, userId, pkg, pkgName);
3308                    if (!crossProfileResult.isEmpty()) {
3309                        // Skip the current profile
3310                        return crossProfileResult;
3311                    }
3312                }
3313                return mActivities.queryIntentForPackage(intent, resolvedType, flags,
3314                        pkg.activities, userId);
3315            }
3316            return new ArrayList<ResolveInfo>();
3317        }
3318    }
3319
3320    private ResolveInfo querySkipCurrentProfileIntents(
3321            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
3322            int flags, int sourceUserId) {
3323        if (matchingFilters != null) {
3324            int size = matchingFilters.size();
3325            for (int i = 0; i < size; i ++) {
3326                CrossProfileIntentFilter filter = matchingFilters.get(i);
3327                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) {
3328                    // Checking if there are activities in the target user that can handle the
3329                    // intent.
3330                    ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
3331                            flags, sourceUserId);
3332                    if (resolveInfo != null) {
3333                        return resolveInfo;
3334                    }
3335                }
3336            }
3337        }
3338        return null;
3339    }
3340
3341    private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage(
3342            Intent intent, String resolvedType, int flags, int userId) {
3343        ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>();
3344        SparseArray<ArrayList<String>> sourceForwardingInfo =
3345                mSettings.mCrossProfilePackageInfo.get(userId);
3346        if (sourceForwardingInfo != null) {
3347            int NI = sourceForwardingInfo.size();
3348            for (int i = 0; i < NI; i++) {
3349                int targetUserId = sourceForwardingInfo.keyAt(i);
3350                ArrayList<String> packageNames = sourceForwardingInfo.valueAt(i);
3351                List<ResolveInfo> resolveInfos = mActivities.queryIntent(
3352                        intent, resolvedType, flags, targetUserId);
3353                int NJ = resolveInfos.size();
3354                for (int j = 0; j < NJ; j++) {
3355                    ResolveInfo resolveInfo = resolveInfos.get(j);
3356                    if (packageNames.contains(resolveInfo.activityInfo.packageName)) {
3357                        matchingResolveInfos.add(createForwardingResolveInfo(
3358                                resolveInfo.filter, userId, targetUserId));
3359                    }
3360                }
3361            }
3362        }
3363        return matchingResolveInfos;
3364    }
3365
3366    private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage(
3367            Intent intent, String resolvedType, int flags, int userId, PackageParser.Package pkg,
3368            String packageName) {
3369        ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>();
3370        SparseArray<ArrayList<String>> sourceForwardingInfo =
3371                mSettings.mCrossProfilePackageInfo.get(userId);
3372        if (sourceForwardingInfo != null) {
3373            int NI = sourceForwardingInfo.size();
3374            for (int i = 0; i < NI; i++) {
3375                int targetUserId = sourceForwardingInfo.keyAt(i);
3376                if (sourceForwardingInfo.valueAt(i).contains(packageName)) {
3377                    List<ResolveInfo> resolveInfos = mActivities.queryIntentForPackage(
3378                            intent, resolvedType, flags, pkg.activities, targetUserId);
3379                    int NJ = resolveInfos.size();
3380                    for (int j = 0; j < NJ; j++) {
3381                        ResolveInfo resolveInfo = resolveInfos.get(j);
3382                        matchingResolveInfos.add(createForwardingResolveInfo(
3383                                resolveInfo.filter, userId, targetUserId));
3384                    }
3385                }
3386            }
3387        }
3388        return matchingResolveInfos;
3389    }
3390
3391    // Return matching ResolveInfo if any for skip current profile intent filters.
3392    private ResolveInfo queryCrossProfileIntents(
3393            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
3394            int flags, int sourceUserId) {
3395        if (matchingFilters != null) {
3396            // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and
3397            // match the same intent. For performance reasons, it is better not to
3398            // run queryIntent twice for the same userId
3399            SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray();
3400            int size = matchingFilters.size();
3401            for (int i = 0; i < size; i++) {
3402                CrossProfileIntentFilter filter = matchingFilters.get(i);
3403                int targetUserId = filter.getTargetUserId();
3404                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0
3405                        && !alreadyTriedUserIds.get(targetUserId)) {
3406                    // Checking if there are activities in the target user that can handle the
3407                    // intent.
3408                    ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
3409                            flags, sourceUserId);
3410                    if (resolveInfo != null) return resolveInfo;
3411                    alreadyTriedUserIds.put(targetUserId, true);
3412                }
3413            }
3414        }
3415        return null;
3416    }
3417
3418    private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent,
3419            String resolvedType, int flags, int sourceUserId) {
3420        List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent,
3421                resolvedType, flags, filter.getTargetUserId());
3422        if (resultTargetUser != null && !resultTargetUser.isEmpty()) {
3423            return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId());
3424        }
3425        return null;
3426    }
3427
3428    private ResolveInfo createForwardingResolveInfo(IntentFilter filter,
3429            int sourceUserId, int targetUserId) {
3430        ResolveInfo forwardingResolveInfo = new ResolveInfo();
3431        String className;
3432        if (targetUserId == UserHandle.USER_OWNER) {
3433            className = FORWARD_INTENT_TO_USER_OWNER;
3434        } else {
3435            className = FORWARD_INTENT_TO_MANAGED_PROFILE;
3436        }
3437        ComponentName forwardingActivityComponentName = new ComponentName(
3438                mAndroidApplication.packageName, className);
3439        ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0,
3440                sourceUserId);
3441        if (targetUserId == UserHandle.USER_OWNER) {
3442            forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER;
3443            forwardingResolveInfo.noResourceId = true;
3444        }
3445        forwardingResolveInfo.activityInfo = forwardingActivityInfo;
3446        forwardingResolveInfo.priority = 0;
3447        forwardingResolveInfo.preferredOrder = 0;
3448        forwardingResolveInfo.match = 0;
3449        forwardingResolveInfo.isDefault = true;
3450        forwardingResolveInfo.filter = filter;
3451        forwardingResolveInfo.targetUserId = targetUserId;
3452        return forwardingResolveInfo;
3453    }
3454
3455    @Override
3456    public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller,
3457            Intent[] specifics, String[] specificTypes, Intent intent,
3458            String resolvedType, int flags, int userId) {
3459        if (!sUserManager.exists(userId)) return Collections.emptyList();
3460        enforceCrossUserPermission(Binder.getCallingUid(), userId, false,
3461                "query intent activity options");
3462        final String resultsAction = intent.getAction();
3463
3464        List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags
3465                | PackageManager.GET_RESOLVED_FILTER, userId);
3466
3467        if (DEBUG_INTENT_MATCHING) {
3468            Log.v(TAG, "Query " + intent + ": " + results);
3469        }
3470
3471        int specificsPos = 0;
3472        int N;
3473
3474        // todo: note that the algorithm used here is O(N^2).  This
3475        // isn't a problem in our current environment, but if we start running
3476        // into situations where we have more than 5 or 10 matches then this
3477        // should probably be changed to something smarter...
3478
3479        // First we go through and resolve each of the specific items
3480        // that were supplied, taking care of removing any corresponding
3481        // duplicate items in the generic resolve list.
3482        if (specifics != null) {
3483            for (int i=0; i<specifics.length; i++) {
3484                final Intent sintent = specifics[i];
3485                if (sintent == null) {
3486                    continue;
3487                }
3488
3489                if (DEBUG_INTENT_MATCHING) {
3490                    Log.v(TAG, "Specific #" + i + ": " + sintent);
3491                }
3492
3493                String action = sintent.getAction();
3494                if (resultsAction != null && resultsAction.equals(action)) {
3495                    // If this action was explicitly requested, then don't
3496                    // remove things that have it.
3497                    action = null;
3498                }
3499
3500                ResolveInfo ri = null;
3501                ActivityInfo ai = null;
3502
3503                ComponentName comp = sintent.getComponent();
3504                if (comp == null) {
3505                    ri = resolveIntent(
3506                        sintent,
3507                        specificTypes != null ? specificTypes[i] : null,
3508                            flags, userId);
3509                    if (ri == null) {
3510                        continue;
3511                    }
3512                    if (ri == mResolveInfo) {
3513                        // ACK!  Must do something better with this.
3514                    }
3515                    ai = ri.activityInfo;
3516                    comp = new ComponentName(ai.applicationInfo.packageName,
3517                            ai.name);
3518                } else {
3519                    ai = getActivityInfo(comp, flags, userId);
3520                    if (ai == null) {
3521                        continue;
3522                    }
3523                }
3524
3525                // Look for any generic query activities that are duplicates
3526                // of this specific one, and remove them from the results.
3527                if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai);
3528                N = results.size();
3529                int j;
3530                for (j=specificsPos; j<N; j++) {
3531                    ResolveInfo sri = results.get(j);
3532                    if ((sri.activityInfo.name.equals(comp.getClassName())
3533                            && sri.activityInfo.applicationInfo.packageName.equals(
3534                                    comp.getPackageName()))
3535                        || (action != null && sri.filter.matchAction(action))) {
3536                        results.remove(j);
3537                        if (DEBUG_INTENT_MATCHING) Log.v(
3538                            TAG, "Removing duplicate item from " + j
3539                            + " due to specific " + specificsPos);
3540                        if (ri == null) {
3541                            ri = sri;
3542                        }
3543                        j--;
3544                        N--;
3545                    }
3546                }
3547
3548                // Add this specific item to its proper place.
3549                if (ri == null) {
3550                    ri = new ResolveInfo();
3551                    ri.activityInfo = ai;
3552                }
3553                results.add(specificsPos, ri);
3554                ri.specificIndex = i;
3555                specificsPos++;
3556            }
3557        }
3558
3559        // Now we go through the remaining generic results and remove any
3560        // duplicate actions that are found here.
3561        N = results.size();
3562        for (int i=specificsPos; i<N-1; i++) {
3563            final ResolveInfo rii = results.get(i);
3564            if (rii.filter == null) {
3565                continue;
3566            }
3567
3568            // Iterate over all of the actions of this result's intent
3569            // filter...  typically this should be just one.
3570            final Iterator<String> it = rii.filter.actionsIterator();
3571            if (it == null) {
3572                continue;
3573            }
3574            while (it.hasNext()) {
3575                final String action = it.next();
3576                if (resultsAction != null && resultsAction.equals(action)) {
3577                    // If this action was explicitly requested, then don't
3578                    // remove things that have it.
3579                    continue;
3580                }
3581                for (int j=i+1; j<N; j++) {
3582                    final ResolveInfo rij = results.get(j);
3583                    if (rij.filter != null && rij.filter.hasAction(action)) {
3584                        results.remove(j);
3585                        if (DEBUG_INTENT_MATCHING) Log.v(
3586                            TAG, "Removing duplicate item from " + j
3587                            + " due to action " + action + " at " + i);
3588                        j--;
3589                        N--;
3590                    }
3591                }
3592            }
3593
3594            // If the caller didn't request filter information, drop it now
3595            // so we don't have to marshall/unmarshall it.
3596            if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
3597                rii.filter = null;
3598            }
3599        }
3600
3601        // Filter out the caller activity if so requested.
3602        if (caller != null) {
3603            N = results.size();
3604            for (int i=0; i<N; i++) {
3605                ActivityInfo ainfo = results.get(i).activityInfo;
3606                if (caller.getPackageName().equals(ainfo.applicationInfo.packageName)
3607                        && caller.getClassName().equals(ainfo.name)) {
3608                    results.remove(i);
3609                    break;
3610                }
3611            }
3612        }
3613
3614        // If the caller didn't request filter information,
3615        // drop them now so we don't have to
3616        // marshall/unmarshall it.
3617        if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
3618            N = results.size();
3619            for (int i=0; i<N; i++) {
3620                results.get(i).filter = null;
3621            }
3622        }
3623
3624        if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results);
3625        return results;
3626    }
3627
3628    @Override
3629    public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags,
3630            int userId) {
3631        if (!sUserManager.exists(userId)) return Collections.emptyList();
3632        ComponentName comp = intent.getComponent();
3633        if (comp == null) {
3634            if (intent.getSelector() != null) {
3635                intent = intent.getSelector();
3636                comp = intent.getComponent();
3637            }
3638        }
3639        if (comp != null) {
3640            List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3641            ActivityInfo ai = getReceiverInfo(comp, flags, userId);
3642            if (ai != null) {
3643                ResolveInfo ri = new ResolveInfo();
3644                ri.activityInfo = ai;
3645                list.add(ri);
3646            }
3647            return list;
3648        }
3649
3650        // reader
3651        synchronized (mPackages) {
3652            String pkgName = intent.getPackage();
3653            if (pkgName == null) {
3654                return mReceivers.queryIntent(intent, resolvedType, flags, userId);
3655            }
3656            final PackageParser.Package pkg = mPackages.get(pkgName);
3657            if (pkg != null) {
3658                return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers,
3659                        userId);
3660            }
3661            return null;
3662        }
3663    }
3664
3665    @Override
3666    public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) {
3667        List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId);
3668        if (!sUserManager.exists(userId)) return null;
3669        if (query != null) {
3670            if (query.size() >= 1) {
3671                // If there is more than one service with the same priority,
3672                // just arbitrarily pick the first one.
3673                return query.get(0);
3674            }
3675        }
3676        return null;
3677    }
3678
3679    @Override
3680    public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags,
3681            int userId) {
3682        if (!sUserManager.exists(userId)) return Collections.emptyList();
3683        ComponentName comp = intent.getComponent();
3684        if (comp == null) {
3685            if (intent.getSelector() != null) {
3686                intent = intent.getSelector();
3687                comp = intent.getComponent();
3688            }
3689        }
3690        if (comp != null) {
3691            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3692            final ServiceInfo si = getServiceInfo(comp, flags, userId);
3693            if (si != null) {
3694                final ResolveInfo ri = new ResolveInfo();
3695                ri.serviceInfo = si;
3696                list.add(ri);
3697            }
3698            return list;
3699        }
3700
3701        // reader
3702        synchronized (mPackages) {
3703            String pkgName = intent.getPackage();
3704            if (pkgName == null) {
3705                return mServices.queryIntent(intent, resolvedType, flags, userId);
3706            }
3707            final PackageParser.Package pkg = mPackages.get(pkgName);
3708            if (pkg != null) {
3709                return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services,
3710                        userId);
3711            }
3712            return null;
3713        }
3714    }
3715
3716    @Override
3717    public List<ResolveInfo> queryIntentContentProviders(
3718            Intent intent, String resolvedType, int flags, int userId) {
3719        if (!sUserManager.exists(userId)) return Collections.emptyList();
3720        ComponentName comp = intent.getComponent();
3721        if (comp == null) {
3722            if (intent.getSelector() != null) {
3723                intent = intent.getSelector();
3724                comp = intent.getComponent();
3725            }
3726        }
3727        if (comp != null) {
3728            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3729            final ProviderInfo pi = getProviderInfo(comp, flags, userId);
3730            if (pi != null) {
3731                final ResolveInfo ri = new ResolveInfo();
3732                ri.providerInfo = pi;
3733                list.add(ri);
3734            }
3735            return list;
3736        }
3737
3738        // reader
3739        synchronized (mPackages) {
3740            String pkgName = intent.getPackage();
3741            if (pkgName == null) {
3742                return mProviders.queryIntent(intent, resolvedType, flags, userId);
3743            }
3744            final PackageParser.Package pkg = mPackages.get(pkgName);
3745            if (pkg != null) {
3746                return mProviders.queryIntentForPackage(
3747                        intent, resolvedType, flags, pkg.providers, userId);
3748            }
3749            return null;
3750        }
3751    }
3752
3753    @Override
3754    public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) {
3755        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
3756
3757        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages");
3758
3759        // writer
3760        synchronized (mPackages) {
3761            ArrayList<PackageInfo> list;
3762            if (listUninstalled) {
3763                list = new ArrayList<PackageInfo>(mSettings.mPackages.size());
3764                for (PackageSetting ps : mSettings.mPackages.values()) {
3765                    PackageInfo pi;
3766                    if (ps.pkg != null) {
3767                        pi = generatePackageInfo(ps.pkg, flags, userId);
3768                    } else {
3769                        pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
3770                    }
3771                    if (pi != null) {
3772                        list.add(pi);
3773                    }
3774                }
3775            } else {
3776                list = new ArrayList<PackageInfo>(mPackages.size());
3777                for (PackageParser.Package p : mPackages.values()) {
3778                    PackageInfo pi = generatePackageInfo(p, flags, userId);
3779                    if (pi != null) {
3780                        list.add(pi);
3781                    }
3782                }
3783            }
3784
3785            return new ParceledListSlice<PackageInfo>(list);
3786        }
3787    }
3788
3789    private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps,
3790            String[] permissions, boolean[] tmp, int flags, int userId) {
3791        int numMatch = 0;
3792        final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
3793        for (int i=0; i<permissions.length; i++) {
3794            if (gp.grantedPermissions.contains(permissions[i])) {
3795                tmp[i] = true;
3796                numMatch++;
3797            } else {
3798                tmp[i] = false;
3799            }
3800        }
3801        if (numMatch == 0) {
3802            return;
3803        }
3804        PackageInfo pi;
3805        if (ps.pkg != null) {
3806            pi = generatePackageInfo(ps.pkg, flags, userId);
3807        } else {
3808            pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
3809        }
3810        if ((flags&PackageManager.GET_PERMISSIONS) == 0) {
3811            if (numMatch == permissions.length) {
3812                pi.requestedPermissions = permissions;
3813            } else {
3814                pi.requestedPermissions = new String[numMatch];
3815                numMatch = 0;
3816                for (int i=0; i<permissions.length; i++) {
3817                    if (tmp[i]) {
3818                        pi.requestedPermissions[numMatch] = permissions[i];
3819                        numMatch++;
3820                    }
3821                }
3822            }
3823        }
3824        list.add(pi);
3825    }
3826
3827    @Override
3828    public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions(
3829            String[] permissions, int flags, int userId) {
3830        if (!sUserManager.exists(userId)) return null;
3831        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
3832
3833        // writer
3834        synchronized (mPackages) {
3835            ArrayList<PackageInfo> list = new ArrayList<PackageInfo>();
3836            boolean[] tmpBools = new boolean[permissions.length];
3837            if (listUninstalled) {
3838                for (PackageSetting ps : mSettings.mPackages.values()) {
3839                    addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId);
3840                }
3841            } else {
3842                for (PackageParser.Package pkg : mPackages.values()) {
3843                    PackageSetting ps = (PackageSetting)pkg.mExtras;
3844                    if (ps != null) {
3845                        addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags,
3846                                userId);
3847                    }
3848                }
3849            }
3850
3851            return new ParceledListSlice<PackageInfo>(list);
3852        }
3853    }
3854
3855    @Override
3856    public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) {
3857        if (!sUserManager.exists(userId)) return null;
3858        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
3859
3860        // writer
3861        synchronized (mPackages) {
3862            ArrayList<ApplicationInfo> list;
3863            if (listUninstalled) {
3864                list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size());
3865                for (PackageSetting ps : mSettings.mPackages.values()) {
3866                    ApplicationInfo ai;
3867                    if (ps.pkg != null) {
3868                        ai = PackageParser.generateApplicationInfo(ps.pkg, flags,
3869                                ps.readUserState(userId), userId);
3870                    } else {
3871                        ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId);
3872                    }
3873                    if (ai != null) {
3874                        list.add(ai);
3875                    }
3876                }
3877            } else {
3878                list = new ArrayList<ApplicationInfo>(mPackages.size());
3879                for (PackageParser.Package p : mPackages.values()) {
3880                    if (p.mExtras != null) {
3881                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
3882                                ((PackageSetting)p.mExtras).readUserState(userId), userId);
3883                        if (ai != null) {
3884                            list.add(ai);
3885                        }
3886                    }
3887                }
3888            }
3889
3890            return new ParceledListSlice<ApplicationInfo>(list);
3891        }
3892    }
3893
3894    public List<ApplicationInfo> getPersistentApplications(int flags) {
3895        final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>();
3896
3897        // reader
3898        synchronized (mPackages) {
3899            final Iterator<PackageParser.Package> i = mPackages.values().iterator();
3900            final int userId = UserHandle.getCallingUserId();
3901            while (i.hasNext()) {
3902                final PackageParser.Package p = i.next();
3903                if (p.applicationInfo != null
3904                        && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0
3905                        && (!mSafeMode || isSystemApp(p))) {
3906                    PackageSetting ps = mSettings.mPackages.get(p.packageName);
3907                    if (ps != null) {
3908                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
3909                                ps.readUserState(userId), userId);
3910                        if (ai != null) {
3911                            finalList.add(ai);
3912                        }
3913                    }
3914                }
3915            }
3916        }
3917
3918        return finalList;
3919    }
3920
3921    @Override
3922    public ProviderInfo resolveContentProvider(String name, int flags, int userId) {
3923        if (!sUserManager.exists(userId)) return null;
3924        // reader
3925        synchronized (mPackages) {
3926            final PackageParser.Provider provider = mProvidersByAuthority.get(name);
3927            PackageSetting ps = provider != null
3928                    ? mSettings.mPackages.get(provider.owner.packageName)
3929                    : null;
3930            return ps != null
3931                    && mSettings.isEnabledLPr(provider.info, flags, userId)
3932                    && (!mSafeMode || (provider.info.applicationInfo.flags
3933                            &ApplicationInfo.FLAG_SYSTEM) != 0)
3934                    ? PackageParser.generateProviderInfo(provider, flags,
3935                            ps.readUserState(userId), userId)
3936                    : null;
3937        }
3938    }
3939
3940    /**
3941     * @deprecated
3942     */
3943    @Deprecated
3944    public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) {
3945        // reader
3946        synchronized (mPackages) {
3947            final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority
3948                    .entrySet().iterator();
3949            final int userId = UserHandle.getCallingUserId();
3950            while (i.hasNext()) {
3951                Map.Entry<String, PackageParser.Provider> entry = i.next();
3952                PackageParser.Provider p = entry.getValue();
3953                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
3954
3955                if (ps != null && p.syncable
3956                        && (!mSafeMode || (p.info.applicationInfo.flags
3957                                &ApplicationInfo.FLAG_SYSTEM) != 0)) {
3958                    ProviderInfo info = PackageParser.generateProviderInfo(p, 0,
3959                            ps.readUserState(userId), userId);
3960                    if (info != null) {
3961                        outNames.add(entry.getKey());
3962                        outInfo.add(info);
3963                    }
3964                }
3965            }
3966        }
3967    }
3968
3969    @Override
3970    public List<ProviderInfo> queryContentProviders(String processName,
3971            int uid, int flags) {
3972        ArrayList<ProviderInfo> finalList = null;
3973        // reader
3974        synchronized (mPackages) {
3975            final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator();
3976            final int userId = processName != null ?
3977                    UserHandle.getUserId(uid) : UserHandle.getCallingUserId();
3978            while (i.hasNext()) {
3979                final PackageParser.Provider p = i.next();
3980                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
3981                if (ps != null && p.info.authority != null
3982                        && (processName == null
3983                                || (p.info.processName.equals(processName)
3984                                        && UserHandle.isSameApp(p.info.applicationInfo.uid, uid)))
3985                        && mSettings.isEnabledLPr(p.info, flags, userId)
3986                        && (!mSafeMode
3987                                || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) {
3988                    if (finalList == null) {
3989                        finalList = new ArrayList<ProviderInfo>(3);
3990                    }
3991                    ProviderInfo info = PackageParser.generateProviderInfo(p, flags,
3992                            ps.readUserState(userId), userId);
3993                    if (info != null) {
3994                        finalList.add(info);
3995                    }
3996                }
3997            }
3998        }
3999
4000        if (finalList != null) {
4001            Collections.sort(finalList, mProviderInitOrderSorter);
4002        }
4003
4004        return finalList;
4005    }
4006
4007    @Override
4008    public InstrumentationInfo getInstrumentationInfo(ComponentName name,
4009            int flags) {
4010        // reader
4011        synchronized (mPackages) {
4012            final PackageParser.Instrumentation i = mInstrumentation.get(name);
4013            return PackageParser.generateInstrumentationInfo(i, flags);
4014        }
4015    }
4016
4017    @Override
4018    public List<InstrumentationInfo> queryInstrumentation(String targetPackage,
4019            int flags) {
4020        ArrayList<InstrumentationInfo> finalList =
4021            new ArrayList<InstrumentationInfo>();
4022
4023        // reader
4024        synchronized (mPackages) {
4025            final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator();
4026            while (i.hasNext()) {
4027                final PackageParser.Instrumentation p = i.next();
4028                if (targetPackage == null
4029                        || targetPackage.equals(p.info.targetPackage)) {
4030                    InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p,
4031                            flags);
4032                    if (ii != null) {
4033                        finalList.add(ii);
4034                    }
4035                }
4036            }
4037        }
4038
4039        return finalList;
4040    }
4041
4042    private void createIdmapsForPackageLI(PackageParser.Package pkg) {
4043        HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName);
4044        if (overlays == null) {
4045            Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages");
4046            return;
4047        }
4048        for (PackageParser.Package opkg : overlays.values()) {
4049            // Not much to do if idmap fails: we already logged the error
4050            // and we certainly don't want to abort installation of pkg simply
4051            // because an overlay didn't fit properly. For these reasons,
4052            // ignore the return value of createIdmapForPackagePairLI.
4053            createIdmapForPackagePairLI(pkg, opkg);
4054        }
4055    }
4056
4057    private boolean createIdmapForPackagePairLI(PackageParser.Package pkg,
4058            PackageParser.Package opkg) {
4059        if (!opkg.mTrustedOverlay) {
4060            Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " +
4061                    opkg.baseCodePath + ": overlay not trusted");
4062            return false;
4063        }
4064        HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName);
4065        if (overlaySet == null) {
4066            Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " +
4067                    opkg.baseCodePath + " but target package has no known overlays");
4068            return false;
4069        }
4070        final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
4071        // TODO: generate idmap for split APKs
4072        if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) {
4073            Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and "
4074                    + opkg.baseCodePath);
4075            return false;
4076        }
4077        PackageParser.Package[] overlayArray =
4078            overlaySet.values().toArray(new PackageParser.Package[0]);
4079        Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() {
4080            public int compare(PackageParser.Package p1, PackageParser.Package p2) {
4081                return p1.mOverlayPriority - p2.mOverlayPriority;
4082            }
4083        };
4084        Arrays.sort(overlayArray, cmp);
4085
4086        pkg.applicationInfo.resourceDirs = new String[overlayArray.length];
4087        int i = 0;
4088        for (PackageParser.Package p : overlayArray) {
4089            pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath;
4090        }
4091        return true;
4092    }
4093
4094    private void scanDirLI(File dir, int flags, int scanMode, long currentTime) {
4095        final File[] files = dir.listFiles();
4096        if (ArrayUtils.isEmpty(files)) {
4097            Log.d(TAG, "No files in app dir " + dir);
4098            return;
4099        }
4100
4101        if (DEBUG_PACKAGE_SCANNING) {
4102            Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode
4103                    + " flags=0x" + Integer.toHexString(flags));
4104        }
4105
4106        for (File file : files) {
4107            final boolean isPackage = isApkFile(file) || file.isDirectory();
4108            if (!isPackage) {
4109                // Ignore entries which are not apk's
4110                continue;
4111            }
4112            try {
4113                scanPackageLI(file, flags | PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime,
4114                        null, null);
4115            } catch (PackageManagerException e) {
4116                Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage());
4117
4118                // Don't mess around with apps in system partition.
4119                if ((flags & PackageParser.PARSE_IS_SYSTEM) == 0 &&
4120                        e.error == PackageManager.INSTALL_FAILED_INVALID_APK) {
4121                    // Delete the apk
4122                    Slog.w(TAG, "Cleaning up failed install of " + file);
4123                    file.delete();
4124                }
4125            }
4126        }
4127    }
4128
4129    private static File getSettingsProblemFile() {
4130        File dataDir = Environment.getDataDirectory();
4131        File systemDir = new File(dataDir, "system");
4132        File fname = new File(systemDir, "uiderrors.txt");
4133        return fname;
4134    }
4135
4136    static void reportSettingsProblem(int priority, String msg) {
4137        try {
4138            File fname = getSettingsProblemFile();
4139            FileOutputStream out = new FileOutputStream(fname, true);
4140            PrintWriter pw = new FastPrintWriter(out);
4141            SimpleDateFormat formatter = new SimpleDateFormat();
4142            String dateString = formatter.format(new Date(System.currentTimeMillis()));
4143            pw.println(dateString + ": " + msg);
4144            pw.close();
4145            FileUtils.setPermissions(
4146                    fname.toString(),
4147                    FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH,
4148                    -1, -1);
4149        } catch (java.io.IOException e) {
4150        }
4151        Slog.println(priority, TAG, msg);
4152    }
4153
4154    private void collectCertificatesLI(PackageParser pp, PackageSetting ps,
4155            PackageParser.Package pkg, File srcFile, int parseFlags)
4156            throws PackageManagerException {
4157        if (ps != null
4158                && ps.codePath.equals(srcFile)
4159                && ps.timeStamp == srcFile.lastModified()
4160                && !isCompatSignatureUpdateNeeded(pkg)) {
4161            long mSigningKeySetId = ps.keySetData.getProperSigningKeySet();
4162            if (ps.signatures.mSignatures != null
4163                    && ps.signatures.mSignatures.length != 0
4164                    && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) {
4165                // Optimization: reuse the existing cached certificates
4166                // if the package appears to be unchanged.
4167                pkg.mSignatures = ps.signatures.mSignatures;
4168                KeySetManagerService ksms = mSettings.mKeySetManagerService;
4169                synchronized (mPackages) {
4170                    pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId);
4171                }
4172                return;
4173            }
4174
4175            Slog.w(TAG, "PackageSetting for " + ps.name
4176                    + " is missing signatures.  Collecting certs again to recover them.");
4177        } else {
4178            Log.i(TAG, srcFile.toString() + " changed; collecting certs");
4179        }
4180
4181        try {
4182            pp.collectCertificates(pkg, parseFlags);
4183            pp.collectManifestDigest(pkg);
4184        } catch (PackageParserException e) {
4185            throw new PackageManagerException(e.error, "Failed to collect certificates for "
4186                    + pkg.packageName + ": " + e.getMessage());
4187        }
4188    }
4189
4190    /*
4191     *  Scan a package and return the newly parsed package.
4192     *  Returns null in case of errors and the error code is stored in mLastScanError
4193     */
4194    private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanMode,
4195            long currentTime, UserHandle user, String abiOverride) throws PackageManagerException {
4196        if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile);
4197        parseFlags |= mDefParseFlags;
4198        PackageParser pp = new PackageParser();
4199        pp.setSeparateProcesses(mSeparateProcesses);
4200        pp.setOnlyCoreApps(mOnlyCore);
4201        pp.setDisplayMetrics(mMetrics);
4202
4203        if ((scanMode & SCAN_TRUSTED_OVERLAY) != 0) {
4204            parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY;
4205        }
4206
4207        final PackageParser.Package pkg;
4208        try {
4209            pkg = pp.parsePackage(scanFile, parseFlags);
4210        } catch (PackageParserException e) {
4211            throw new PackageManagerException(e.error,
4212                    "Failed to scan " + scanFile + ": " + e.getMessage());
4213        }
4214
4215        PackageSetting ps = null;
4216        PackageSetting updatedPkg;
4217        // reader
4218        synchronized (mPackages) {
4219            // Look to see if we already know about this package.
4220            String oldName = mSettings.mRenamedPackages.get(pkg.packageName);
4221            if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) {
4222                // This package has been renamed to its original name.  Let's
4223                // use that.
4224                ps = mSettings.peekPackageLPr(oldName);
4225            }
4226            // If there was no original package, see one for the real package name.
4227            if (ps == null) {
4228                ps = mSettings.peekPackageLPr(pkg.packageName);
4229            }
4230            // Check to see if this package could be hiding/updating a system
4231            // package.  Must look for it either under the original or real
4232            // package name depending on our state.
4233            updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName);
4234            if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg);
4235        }
4236        boolean updatedPkgBetter = false;
4237        // First check if this is a system package that may involve an update
4238        if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
4239            if (ps != null && !ps.codePath.equals(scanFile)) {
4240                // The path has changed from what was last scanned...  check the
4241                // version of the new path against what we have stored to determine
4242                // what to do.
4243                if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath);
4244                if (pkg.mVersionCode < ps.versionCode) {
4245                    // The system package has been updated and the code path does not match
4246                    // Ignore entry. Skip it.
4247                    Log.i(TAG, "Package " + ps.name + " at " + scanFile
4248                            + " ignored: updated version " + ps.versionCode
4249                            + " better than this " + pkg.mVersionCode);
4250                    if (!updatedPkg.codePath.equals(scanFile)) {
4251                        Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : "
4252                                + ps.name + " changing from " + updatedPkg.codePathString
4253                                + " to " + scanFile);
4254                        updatedPkg.codePath = scanFile;
4255                        updatedPkg.codePathString = scanFile.toString();
4256                        // This is the point at which we know that the system-disk APK
4257                        // for this package has moved during a reboot (e.g. due to an OTA),
4258                        // so we need to reevaluate it for privilege policy.
4259                        if (locationIsPrivileged(scanFile)) {
4260                            updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED;
4261                        }
4262                    }
4263                    updatedPkg.pkg = pkg;
4264                    throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null);
4265                } else {
4266                    // The current app on the system partition is better than
4267                    // what we have updated to on the data partition; switch
4268                    // back to the system partition version.
4269                    // At this point, its safely assumed that package installation for
4270                    // apps in system partition will go through. If not there won't be a working
4271                    // version of the app
4272                    // writer
4273                    synchronized (mPackages) {
4274                        // Just remove the loaded entries from package lists.
4275                        mPackages.remove(ps.name);
4276                    }
4277                    Slog.w(TAG, "Package " + ps.name + " at " + scanFile
4278                            + "reverting from " + ps.codePathString
4279                            + ": new version " + pkg.mVersionCode
4280                            + " better than installed " + ps.versionCode);
4281
4282                    InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
4283                            ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString,
4284                            getAppDexInstructionSets(ps), isMultiArch(ps));
4285                    synchronized (mInstallLock) {
4286                        args.cleanUpResourcesLI();
4287                    }
4288                    synchronized (mPackages) {
4289                        mSettings.enableSystemPackageLPw(ps.name);
4290                    }
4291                    updatedPkgBetter = true;
4292                }
4293            }
4294        }
4295
4296        if (updatedPkg != null) {
4297            // An updated system app will not have the PARSE_IS_SYSTEM flag set
4298            // initially
4299            parseFlags |= PackageParser.PARSE_IS_SYSTEM;
4300
4301            // An updated privileged app will not have the PARSE_IS_PRIVILEGED
4302            // flag set initially
4303            if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) {
4304                parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
4305            }
4306        }
4307
4308        // Verify certificates against what was last scanned
4309        collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags);
4310
4311        /*
4312         * A new system app appeared, but we already had a non-system one of the
4313         * same name installed earlier.
4314         */
4315        boolean shouldHideSystemApp = false;
4316        if (updatedPkg == null && ps != null
4317                && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) {
4318            /*
4319             * Check to make sure the signatures match first. If they don't,
4320             * wipe the installed application and its data.
4321             */
4322            if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures)
4323                    != PackageManager.SIGNATURE_MATCH) {
4324                if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!");
4325                deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false);
4326                ps = null;
4327            } else {
4328                /*
4329                 * If the newly-added system app is an older version than the
4330                 * already installed version, hide it. It will be scanned later
4331                 * and re-added like an update.
4332                 */
4333                if (pkg.mVersionCode < ps.versionCode) {
4334                    shouldHideSystemApp = true;
4335                } else {
4336                    /*
4337                     * The newly found system app is a newer version that the
4338                     * one previously installed. Simply remove the
4339                     * already-installed application and replace it with our own
4340                     * while keeping the application data.
4341                     */
4342                    Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from "
4343                            + ps.codePathString + ": new version " + pkg.mVersionCode
4344                            + " better than installed " + ps.versionCode);
4345                    InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
4346                            ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString,
4347                            getAppDexInstructionSets(ps), isMultiArch(ps));
4348                    synchronized (mInstallLock) {
4349                        args.cleanUpResourcesLI();
4350                    }
4351                }
4352            }
4353        }
4354
4355        // The apk is forward locked (not public) if its code and resources
4356        // are kept in different files. (except for app in either system or
4357        // vendor path).
4358        // TODO grab this value from PackageSettings
4359        if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
4360            if (ps != null && !ps.codePath.equals(ps.resourcePath)) {
4361                parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
4362            }
4363        }
4364
4365        // TODO: extend to support forward-locked splits
4366        String resourcePath = null;
4367        String baseResourcePath = null;
4368        if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) {
4369            if (ps != null && ps.resourcePathString != null) {
4370                resourcePath = ps.resourcePathString;
4371                baseResourcePath = ps.resourcePathString;
4372            } else {
4373                // Should not happen at all. Just log an error.
4374                Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName);
4375            }
4376        } else {
4377            resourcePath = pkg.codePath;
4378            baseResourcePath = pkg.baseCodePath;
4379        }
4380
4381        // Set application objects path explicitly.
4382        pkg.applicationInfo.setCodePath(pkg.codePath);
4383        pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
4384        pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
4385        pkg.applicationInfo.setResourcePath(resourcePath);
4386        pkg.applicationInfo.setBaseResourcePath(baseResourcePath);
4387        pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
4388
4389        // Note that we invoke the following method only if we are about to unpack an application
4390        PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode
4391                | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride);
4392
4393        /*
4394         * If the system app should be overridden by a previously installed
4395         * data, hide the system app now and let the /data/app scan pick it up
4396         * again.
4397         */
4398        if (shouldHideSystemApp) {
4399            synchronized (mPackages) {
4400                /*
4401                 * We have to grant systems permissions before we hide, because
4402                 * grantPermissions will assume the package update is trying to
4403                 * expand its permissions.
4404                 */
4405                grantPermissionsLPw(pkg, true);
4406                mSettings.disableSystemPackageLPw(pkg.packageName);
4407            }
4408        }
4409
4410        return scannedPkg;
4411    }
4412
4413    private static String fixProcessName(String defProcessName,
4414            String processName, int uid) {
4415        if (processName == null) {
4416            return defProcessName;
4417        }
4418        return processName;
4419    }
4420
4421    private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg)
4422            throws PackageManagerException {
4423        if (pkgSetting.signatures.mSignatures != null) {
4424            // Already existing package. Make sure signatures match
4425            boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures)
4426                    == PackageManager.SIGNATURE_MATCH;
4427            if (!match) {
4428                match = compareSignaturesCompat(pkgSetting.signatures, pkg)
4429                        == PackageManager.SIGNATURE_MATCH;
4430            }
4431            if (!match) {
4432                throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
4433                        + pkg.packageName + " signatures do not match the "
4434                        + "previously installed version; ignoring!");
4435            }
4436        }
4437
4438        // Check for shared user signatures
4439        if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) {
4440            // Already existing package. Make sure signatures match
4441            boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
4442                    pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
4443            if (!match) {
4444                match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg)
4445                        == PackageManager.SIGNATURE_MATCH;
4446            }
4447            if (!match) {
4448                throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
4449                        "Package " + pkg.packageName
4450                        + " has no signatures that match those in shared user "
4451                        + pkgSetting.sharedUser.name + "; ignoring!");
4452            }
4453        }
4454    }
4455
4456    /**
4457     * Enforces that only the system UID or root's UID can call a method exposed
4458     * via Binder.
4459     *
4460     * @param message used as message if SecurityException is thrown
4461     * @throws SecurityException if the caller is not system or root
4462     */
4463    private static final void enforceSystemOrRoot(String message) {
4464        final int uid = Binder.getCallingUid();
4465        if (uid != Process.SYSTEM_UID && uid != 0) {
4466            throw new SecurityException(message);
4467        }
4468    }
4469
4470    @Override
4471    public void performBootDexOpt() {
4472        enforceSystemOrRoot("Only the system can request dexopt be performed");
4473
4474        final HashSet<PackageParser.Package> pkgs;
4475        synchronized (mPackages) {
4476            pkgs = mDeferredDexOpt;
4477            mDeferredDexOpt = null;
4478        }
4479
4480        if (pkgs != null) {
4481            // Filter out packages that aren't recently used.
4482            //
4483            // The exception is first boot of a non-eng device, which
4484            // should do a full dexopt.
4485            boolean eng = "eng".equals(SystemProperties.get("ro.build.type"));
4486            if (eng || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) {
4487                // TODO: add a property to control this?
4488                long dexOptLRUThresholdInMinutes;
4489                if (eng) {
4490                    dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds.
4491                } else {
4492                    dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users.
4493                }
4494                long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000;
4495
4496                int total = pkgs.size();
4497                int skipped = 0;
4498                long now = System.currentTimeMillis();
4499                for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) {
4500                    PackageParser.Package pkg = i.next();
4501                    long then = pkg.mLastPackageUsageTimeInMills;
4502                    if (then + dexOptLRUThresholdInMills < now) {
4503                        if (DEBUG_DEXOPT) {
4504                            Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " +
4505                                  ((then == 0) ? "never" : new Date(then)));
4506                        }
4507                        i.remove();
4508                        skipped++;
4509                    }
4510                }
4511                if (DEBUG_DEXOPT) {
4512                    Log.i(TAG, "Skipped optimizing " + skipped + " of " + total);
4513                }
4514            }
4515
4516            int i = 0;
4517            for (PackageParser.Package pkg : pkgs) {
4518                i++;
4519                if (DEBUG_DEXOPT) {
4520                    Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size()
4521                          + ": " + pkg.packageName);
4522                }
4523                if (!isFirstBoot()) {
4524                    try {
4525                        ActivityManagerNative.getDefault().showBootMessage(
4526                                mContext.getResources().getString(
4527                                        R.string.android_upgrading_apk,
4528                                        i, pkgs.size()), true);
4529                    } catch (RemoteException e) {
4530                    }
4531                }
4532                PackageParser.Package p = pkg;
4533                synchronized (mInstallLock) {
4534                    if (p.mDexOptNeeded) {
4535                        performDexOptLI(p, false /* force dex */, false /* defer */,
4536                                true /* include dependencies */);
4537                    }
4538                }
4539            }
4540        }
4541    }
4542
4543    @Override
4544    public boolean performDexOpt(String packageName) {
4545        enforceSystemOrRoot("Only the system can request dexopt be performed");
4546        return performDexOpt(packageName, true);
4547    }
4548
4549    public boolean performDexOpt(String packageName, boolean updateUsage) {
4550
4551        PackageParser.Package p;
4552        synchronized (mPackages) {
4553            p = mPackages.get(packageName);
4554            if (p == null) {
4555                return false;
4556            }
4557            if (updateUsage) {
4558                p.mLastPackageUsageTimeInMills = System.currentTimeMillis();
4559            }
4560            mPackageUsage.write(false);
4561            if (!p.mDexOptNeeded) {
4562                return false;
4563            }
4564        }
4565
4566        synchronized (mInstallLock) {
4567            return performDexOptLI(p, false /* force dex */, false /* defer */,
4568                    true /* include dependencies */) == DEX_OPT_PERFORMED;
4569        }
4570    }
4571
4572    public HashSet<String> getPackagesThatNeedDexOpt() {
4573        HashSet<String> pkgs = null;
4574        synchronized (mPackages) {
4575            for (PackageParser.Package p : mPackages.values()) {
4576                if (DEBUG_DEXOPT) {
4577                    Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded);
4578                }
4579                if (!p.mDexOptNeeded) {
4580                    continue;
4581                }
4582                if (pkgs == null) {
4583                    pkgs = new HashSet<String>();
4584                }
4585                pkgs.add(p.packageName);
4586            }
4587        }
4588        return pkgs;
4589    }
4590
4591    public void shutdown() {
4592        mPackageUsage.write(true);
4593    }
4594
4595    private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets,
4596             boolean forceDex, boolean defer, HashSet<String> done) {
4597        for (int i=0; i<libs.size(); i++) {
4598            PackageParser.Package libPkg;
4599            String libName;
4600            synchronized (mPackages) {
4601                libName = libs.get(i);
4602                SharedLibraryEntry lib = mSharedLibraries.get(libName);
4603                if (lib != null && lib.apk != null) {
4604                    libPkg = mPackages.get(lib.apk);
4605                } else {
4606                    libPkg = null;
4607                }
4608            }
4609            if (libPkg != null && !done.contains(libName)) {
4610                performDexOptLI(libPkg, instructionSets, forceDex, defer, done);
4611            }
4612        }
4613    }
4614
4615    static final int DEX_OPT_SKIPPED = 0;
4616    static final int DEX_OPT_PERFORMED = 1;
4617    static final int DEX_OPT_DEFERRED = 2;
4618    static final int DEX_OPT_FAILED = -1;
4619
4620    private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets,
4621            boolean forceDex, boolean defer, HashSet<String> done) {
4622        final String[] instructionSets = targetInstructionSets != null ?
4623                targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo);
4624
4625        if (done != null) {
4626            done.add(pkg.packageName);
4627            if (pkg.usesLibraries != null) {
4628                performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done);
4629            }
4630            if (pkg.usesOptionalLibraries != null) {
4631                performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done);
4632            }
4633        }
4634
4635        if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) {
4636            return DEX_OPT_SKIPPED;
4637        }
4638
4639        final Collection<String> paths = pkg.getAllCodePaths();
4640        boolean performedDexOpt = false;
4641        // There are three basic cases here:
4642        // 1.) we need to dexopt, either because we are forced or it is needed
4643        // 2.) we are defering a needed dexopt
4644        // 3.) we are skipping an unneeded dexopt
4645        for (String path : paths) {
4646            for (String instructionSet : instructionSets) {
4647                try {
4648                    final boolean isDexOptNeeded = DexFile.isDexOptNeededInternal(path,
4649                            pkg.packageName, instructionSet, defer);
4650                    if (forceDex || (!defer && isDexOptNeeded)) {
4651                        Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName + " isa=" + instructionSet);
4652                        final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
4653                        final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg),
4654                                pkg.packageName, instructionSet);
4655
4656                        if (ret < 0) {
4657                            // Don't bother running dexopt again if we failed, it will probably
4658                            // just result in an error again. Also, don't bother dexopting for other
4659                            // paths & ISAs.
4660                            pkg.mDexOptNeeded = false;
4661                            return DEX_OPT_FAILED;
4662                        } else {
4663                            performedDexOpt = true;
4664                        }
4665                    }
4666
4667                    // We're deciding to defer a needed dexopt. Don't bother dexopting for other
4668                    // paths and instruction sets. We'll deal with them all together when we process
4669                    // our list of deferred dexopts.
4670                    if (defer && isDexOptNeeded) {
4671                        if (mDeferredDexOpt == null) {
4672                            mDeferredDexOpt = new HashSet<PackageParser.Package>();
4673                        }
4674                        mDeferredDexOpt.add(pkg);
4675                        return DEX_OPT_DEFERRED;
4676                    }
4677                } catch (FileNotFoundException e) {
4678                    Slog.w(TAG, "Apk not found for dexopt: " + path);
4679                    return DEX_OPT_FAILED;
4680                } catch (IOException e) {
4681                    Slog.w(TAG, "IOException reading apk: " + path, e);
4682                    return DEX_OPT_FAILED;
4683                } catch (StaleDexCacheError e) {
4684                    Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e);
4685                    return DEX_OPT_FAILED;
4686                } catch (Exception e) {
4687                    Slog.w(TAG, "Exception when doing dexopt : ", e);
4688                    return DEX_OPT_FAILED;
4689                }
4690            }
4691        }
4692
4693        // If we've gotten here, we're sure that no error occurred and that we haven't
4694        // deferred dex-opt. We've either dex-opted one more paths or instruction sets or
4695        // we've skipped all of them because they are up to date. In both cases this
4696        // package doesn't need dexopt any longer.
4697        pkg.mDexOptNeeded = false;
4698        return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED;
4699    }
4700
4701    private static String[] getAppDexInstructionSets(ApplicationInfo info) {
4702        if (info.primaryCpuAbi != null) {
4703            if (info.secondaryCpuAbi != null) {
4704                return new String[] {
4705                        VMRuntime.getInstructionSet(info.primaryCpuAbi),
4706                        VMRuntime.getInstructionSet(info.secondaryCpuAbi) };
4707            } else {
4708                return new String[] {
4709                        VMRuntime.getInstructionSet(info.primaryCpuAbi) };
4710            }
4711        }
4712
4713        return new String[] { getPreferredInstructionSet() };
4714    }
4715
4716    private static String[] getAppDexInstructionSets(PackageSetting ps) {
4717        if (ps.primaryCpuAbiString != null) {
4718            if (ps.secondaryCpuAbiString != null) {
4719                return new String[] {
4720                        VMRuntime.getInstructionSet(ps.primaryCpuAbiString),
4721                        VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) };
4722            } else {
4723                return new String[] {
4724                        VMRuntime.getInstructionSet(ps.primaryCpuAbiString) };
4725            }
4726        }
4727
4728        return new String[] { getPreferredInstructionSet() };
4729    }
4730
4731    private static String getPreferredInstructionSet() {
4732        if (sPreferredInstructionSet == null) {
4733            sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]);
4734        }
4735
4736        return sPreferredInstructionSet;
4737    }
4738
4739    private static List<String> getAllInstructionSets() {
4740        final String[] allAbis = Build.SUPPORTED_ABIS;
4741        final List<String> allInstructionSets = new ArrayList<String>(allAbis.length);
4742
4743        for (String abi : allAbis) {
4744            final String instructionSet = VMRuntime.getInstructionSet(abi);
4745            if (!allInstructionSets.contains(instructionSet)) {
4746                allInstructionSets.add(instructionSet);
4747            }
4748        }
4749
4750        return allInstructionSets;
4751    }
4752
4753    private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer,
4754            boolean inclDependencies) {
4755        HashSet<String> done;
4756        if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) {
4757            done = new HashSet<String>();
4758            done.add(pkg.packageName);
4759        } else {
4760            done = null;
4761        }
4762        return performDexOptLI(pkg, null /* target instruction sets */,  forceDex, defer, done);
4763    }
4764
4765    private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) {
4766        if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) {
4767            Slog.w(TAG, "Unable to update from " + oldPkg.name
4768                    + " to " + newPkg.packageName
4769                    + ": old package not in system partition");
4770            return false;
4771        } else if (mPackages.get(oldPkg.name) != null) {
4772            Slog.w(TAG, "Unable to update from " + oldPkg.name
4773                    + " to " + newPkg.packageName
4774                    + ": old package still exists");
4775            return false;
4776        }
4777        return true;
4778    }
4779
4780    File getDataPathForUser(int userId) {
4781        return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId);
4782    }
4783
4784    private File getDataPathForPackage(String packageName, int userId) {
4785        /*
4786         * Until we fully support multiple users, return the directory we
4787         * previously would have. The PackageManagerTests will need to be
4788         * revised when this is changed back..
4789         */
4790        if (userId == 0) {
4791            return new File(mAppDataDir, packageName);
4792        } else {
4793            return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId
4794                + File.separator + packageName);
4795        }
4796    }
4797
4798    private int createDataDirsLI(String packageName, int uid, String seinfo) {
4799        int[] users = sUserManager.getUserIds();
4800        int res = mInstaller.install(packageName, uid, uid, seinfo);
4801        if (res < 0) {
4802            return res;
4803        }
4804        for (int user : users) {
4805            if (user != 0) {
4806                res = mInstaller.createUserData(packageName,
4807                        UserHandle.getUid(user, uid), user, seinfo);
4808                if (res < 0) {
4809                    return res;
4810                }
4811            }
4812        }
4813        return res;
4814    }
4815
4816    private int removeDataDirsLI(String packageName) {
4817        int[] users = sUserManager.getUserIds();
4818        int res = 0;
4819        for (int user : users) {
4820            int resInner = mInstaller.remove(packageName, user);
4821            if (resInner < 0) {
4822                res = resInner;
4823            }
4824        }
4825
4826        return res;
4827    }
4828
4829    private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file,
4830            PackageParser.Package changingLib) {
4831        if (file.path != null) {
4832            usesLibraryFiles.add(file.path);
4833            return;
4834        }
4835        PackageParser.Package p = mPackages.get(file.apk);
4836        if (changingLib != null && changingLib.packageName.equals(file.apk)) {
4837            // If we are doing this while in the middle of updating a library apk,
4838            // then we need to make sure to use that new apk for determining the
4839            // dependencies here.  (We haven't yet finished committing the new apk
4840            // to the package manager state.)
4841            if (p == null || p.packageName.equals(changingLib.packageName)) {
4842                p = changingLib;
4843            }
4844        }
4845        if (p != null) {
4846            usesLibraryFiles.addAll(p.getAllCodePaths());
4847        }
4848    }
4849
4850    private void updateSharedLibrariesLPw(PackageParser.Package pkg,
4851            PackageParser.Package changingLib) throws PackageManagerException {
4852        // We might be upgrading from a version of the platform that did not
4853        // provide per-package native library directories for system apps.
4854        // Fix that up here.
4855        if (isSystemApp(pkg)) {
4856            PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName);
4857            if (!isUpdatedSystemApp(pkg)) {
4858                setBundledAppAbisAndRoots(pkg, ps);
4859            }
4860        }
4861
4862        if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) {
4863            final ArraySet<String> usesLibraryFiles = new ArraySet<>();
4864            int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0;
4865            for (int i=0; i<N; i++) {
4866                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i));
4867                if (file == null) {
4868                    throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY,
4869                            "Package " + pkg.packageName + " requires unavailable shared library "
4870                            + pkg.usesLibraries.get(i) + "; failing!");
4871                }
4872                addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
4873            }
4874            N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0;
4875            for (int i=0; i<N; i++) {
4876                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i));
4877                if (file == null) {
4878                    Slog.w(TAG, "Package " + pkg.packageName
4879                            + " desires unavailable shared library "
4880                            + pkg.usesOptionalLibraries.get(i) + "; ignoring!");
4881                } else {
4882                    addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
4883                }
4884            }
4885            N = usesLibraryFiles.size();
4886            if (N > 0) {
4887                pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]);
4888            } else {
4889                pkg.usesLibraryFiles = null;
4890            }
4891        }
4892    }
4893
4894    private static boolean hasString(List<String> list, List<String> which) {
4895        if (list == null) {
4896            return false;
4897        }
4898        for (int i=list.size()-1; i>=0; i--) {
4899            for (int j=which.size()-1; j>=0; j--) {
4900                if (which.get(j).equals(list.get(i))) {
4901                    return true;
4902                }
4903            }
4904        }
4905        return false;
4906    }
4907
4908    private void updateAllSharedLibrariesLPw() {
4909        for (PackageParser.Package pkg : mPackages.values()) {
4910            try {
4911                updateSharedLibrariesLPw(pkg, null);
4912            } catch (PackageManagerException e) {
4913                Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
4914            }
4915        }
4916    }
4917
4918    private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw(
4919            PackageParser.Package changingPkg) {
4920        ArrayList<PackageParser.Package> res = null;
4921        for (PackageParser.Package pkg : mPackages.values()) {
4922            if (hasString(pkg.usesLibraries, changingPkg.libraryNames)
4923                    || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) {
4924                if (res == null) {
4925                    res = new ArrayList<PackageParser.Package>();
4926                }
4927                res.add(pkg);
4928                try {
4929                    updateSharedLibrariesLPw(pkg, changingPkg);
4930                } catch (PackageManagerException e) {
4931                    Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
4932                }
4933            }
4934        }
4935        return res;
4936    }
4937
4938    private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags,
4939            int scanMode, long currentTime, UserHandle user, String abiOverride)
4940            throws PackageManagerException {
4941        final File scanFile = new File(pkg.codePath);
4942        if (pkg.applicationInfo.getCodePath() == null ||
4943                pkg.applicationInfo.getResourcePath() == null) {
4944            // Bail out. The resource and code paths haven't been set.
4945            throw new PackageManagerException(INSTALL_FAILED_INVALID_APK,
4946                    "Code and resource paths haven't been set correctly");
4947        }
4948
4949        if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
4950            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM;
4951        }
4952
4953        if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) {
4954            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED;
4955        }
4956
4957        if (mCustomResolverComponentName != null &&
4958                mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) {
4959            setUpCustomResolverActivity(pkg);
4960        }
4961
4962        if (pkg.packageName.equals("android")) {
4963            synchronized (mPackages) {
4964                if (mAndroidApplication != null) {
4965                    Slog.w(TAG, "*************************************************");
4966                    Slog.w(TAG, "Core android package being redefined.  Skipping.");
4967                    Slog.w(TAG, " file=" + scanFile);
4968                    Slog.w(TAG, "*************************************************");
4969                    throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
4970                            "Core android package being redefined.  Skipping.");
4971                }
4972
4973                // Set up information for our fall-back user intent resolution activity.
4974                mPlatformPackage = pkg;
4975                pkg.mVersionCode = mSdkVersion;
4976                mAndroidApplication = pkg.applicationInfo;
4977
4978                if (!mResolverReplaced) {
4979                    mResolveActivity.applicationInfo = mAndroidApplication;
4980                    mResolveActivity.name = ResolverActivity.class.getName();
4981                    mResolveActivity.packageName = mAndroidApplication.packageName;
4982                    mResolveActivity.processName = "system:ui";
4983                    mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
4984                    mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER;
4985                    mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS;
4986                    mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert;
4987                    mResolveActivity.exported = true;
4988                    mResolveActivity.enabled = true;
4989                    mResolveInfo.activityInfo = mResolveActivity;
4990                    mResolveInfo.priority = 0;
4991                    mResolveInfo.preferredOrder = 0;
4992                    mResolveInfo.match = 0;
4993                    mResolveComponentName = new ComponentName(
4994                            mAndroidApplication.packageName, mResolveActivity.name);
4995                }
4996            }
4997        }
4998
4999        if (DEBUG_PACKAGE_SCANNING) {
5000            if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5001                Log.d(TAG, "Scanning package " + pkg.packageName);
5002        }
5003
5004        if (mPackages.containsKey(pkg.packageName)
5005                || mSharedLibraries.containsKey(pkg.packageName)) {
5006            throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
5007                    "Application package " + pkg.packageName
5008                    + " already installed.  Skipping duplicate.");
5009        }
5010
5011        // Initialize package source and resource directories
5012        File destCodeFile = new File(pkg.applicationInfo.getCodePath());
5013        File destResourceFile = new File(pkg.applicationInfo.getResourcePath());
5014
5015        SharedUserSetting suid = null;
5016        PackageSetting pkgSetting = null;
5017
5018        if (!isSystemApp(pkg)) {
5019            // Only system apps can use these features.
5020            pkg.mOriginalPackages = null;
5021            pkg.mRealPackage = null;
5022            pkg.mAdoptPermissions = null;
5023        }
5024
5025        // writer
5026        synchronized (mPackages) {
5027            if (pkg.mSharedUserId != null) {
5028                suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true);
5029                if (suid == null) {
5030                    throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
5031                            "Creating application package " + pkg.packageName
5032                            + " for shared user failed");
5033                }
5034                if (DEBUG_PACKAGE_SCANNING) {
5035                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5036                        Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId
5037                                + "): packages=" + suid.packages);
5038                }
5039            }
5040
5041            // Check if we are renaming from an original package name.
5042            PackageSetting origPackage = null;
5043            String realName = null;
5044            if (pkg.mOriginalPackages != null) {
5045                // This package may need to be renamed to a previously
5046                // installed name.  Let's check on that...
5047                final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage);
5048                if (pkg.mOriginalPackages.contains(renamed)) {
5049                    // This package had originally been installed as the
5050                    // original name, and we have already taken care of
5051                    // transitioning to the new one.  Just update the new
5052                    // one to continue using the old name.
5053                    realName = pkg.mRealPackage;
5054                    if (!pkg.packageName.equals(renamed)) {
5055                        // Callers into this function may have already taken
5056                        // care of renaming the package; only do it here if
5057                        // it is not already done.
5058                        pkg.setPackageName(renamed);
5059                    }
5060
5061                } else {
5062                    for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) {
5063                        if ((origPackage = mSettings.peekPackageLPr(
5064                                pkg.mOriginalPackages.get(i))) != null) {
5065                            // We do have the package already installed under its
5066                            // original name...  should we use it?
5067                            if (!verifyPackageUpdateLPr(origPackage, pkg)) {
5068                                // New package is not compatible with original.
5069                                origPackage = null;
5070                                continue;
5071                            } else if (origPackage.sharedUser != null) {
5072                                // Make sure uid is compatible between packages.
5073                                if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) {
5074                                    Slog.w(TAG, "Unable to migrate data from " + origPackage.name
5075                                            + " to " + pkg.packageName + ": old uid "
5076                                            + origPackage.sharedUser.name
5077                                            + " differs from " + pkg.mSharedUserId);
5078                                    origPackage = null;
5079                                    continue;
5080                                }
5081                            } else {
5082                                if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package "
5083                                        + pkg.packageName + " to old name " + origPackage.name);
5084                            }
5085                            break;
5086                        }
5087                    }
5088                }
5089            }
5090
5091            if (mTransferedPackages.contains(pkg.packageName)) {
5092                Slog.w(TAG, "Package " + pkg.packageName
5093                        + " was transferred to another, but its .apk remains");
5094            }
5095
5096            // Just create the setting, don't add it yet. For already existing packages
5097            // the PkgSetting exists already and doesn't have to be created.
5098            pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile,
5099                    destResourceFile, pkg.applicationInfo.nativeLibraryRootDir,
5100                    pkg.applicationInfo.primaryCpuAbi,
5101                    pkg.applicationInfo.secondaryCpuAbi,
5102                    pkg.applicationInfo.flags, user, false);
5103            if (pkgSetting == null) {
5104                throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
5105                        "Creating application package " + pkg.packageName + " failed");
5106            }
5107
5108            if (pkgSetting.origPackage != null) {
5109                // If we are first transitioning from an original package,
5110                // fix up the new package's name now.  We need to do this after
5111                // looking up the package under its new name, so getPackageLP
5112                // can take care of fiddling things correctly.
5113                pkg.setPackageName(origPackage.name);
5114
5115                // File a report about this.
5116                String msg = "New package " + pkgSetting.realName
5117                        + " renamed to replace old package " + pkgSetting.name;
5118                reportSettingsProblem(Log.WARN, msg);
5119
5120                // Make a note of it.
5121                mTransferedPackages.add(origPackage.name);
5122
5123                // No longer need to retain this.
5124                pkgSetting.origPackage = null;
5125            }
5126
5127            if (realName != null) {
5128                // Make a note of it.
5129                mTransferedPackages.add(pkg.packageName);
5130            }
5131
5132            if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) {
5133                pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
5134            }
5135
5136            if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5137                // Check all shared libraries and map to their actual file path.
5138                // We only do this here for apps not on a system dir, because those
5139                // are the only ones that can fail an install due to this.  We
5140                // will take care of the system apps by updating all of their
5141                // library paths after the scan is done.
5142                updateSharedLibrariesLPw(pkg, null);
5143            }
5144
5145            if (mFoundPolicyFile) {
5146                SELinuxMMAC.assignSeinfoValue(pkg);
5147            }
5148
5149            pkg.applicationInfo.uid = pkgSetting.appId;
5150            pkg.mExtras = pkgSetting;
5151            if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) {
5152                try {
5153                    verifySignaturesLP(pkgSetting, pkg);
5154                } catch (PackageManagerException e) {
5155                    if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5156                        throw e;
5157                    }
5158                    // The signature has changed, but this package is in the system
5159                    // image...  let's recover!
5160                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
5161                    // However...  if this package is part of a shared user, but it
5162                    // doesn't match the signature of the shared user, let's fail.
5163                    // What this means is that you can't change the signatures
5164                    // associated with an overall shared user, which doesn't seem all
5165                    // that unreasonable.
5166                    if (pkgSetting.sharedUser != null) {
5167                        if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
5168                                              pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) {
5169                            throw new PackageManagerException(
5170                                    INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES,
5171                                            "Signature mismatch for shared user : "
5172                                            + pkgSetting.sharedUser);
5173                        }
5174                    }
5175                    // File a report about this.
5176                    String msg = "System package " + pkg.packageName
5177                        + " signature changed; retaining data.";
5178                    reportSettingsProblem(Log.WARN, msg);
5179                }
5180            } else {
5181                if (!checkUpgradeKeySetLP(pkgSetting, pkg)) {
5182                    throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
5183                            + pkg.packageName + " upgrade keys do not match the "
5184                            + "previously installed version");
5185                } else {
5186                    // signatures may have changed as result of upgrade
5187                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
5188                }
5189            }
5190            // Verify that this new package doesn't have any content providers
5191            // that conflict with existing packages.  Only do this if the
5192            // package isn't already installed, since we don't want to break
5193            // things that are installed.
5194            if ((scanMode&SCAN_NEW_INSTALL) != 0) {
5195                final int N = pkg.providers.size();
5196                int i;
5197                for (i=0; i<N; i++) {
5198                    PackageParser.Provider p = pkg.providers.get(i);
5199                    if (p.info.authority != null) {
5200                        String names[] = p.info.authority.split(";");
5201                        for (int j = 0; j < names.length; j++) {
5202                            if (mProvidersByAuthority.containsKey(names[j])) {
5203                                PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
5204                                final String otherPackageName =
5205                                        ((other != null && other.getComponentName() != null) ?
5206                                                other.getComponentName().getPackageName() : "?");
5207                                throw new PackageManagerException(
5208                                        INSTALL_FAILED_CONFLICTING_PROVIDER,
5209                                                "Can't install because provider name " + names[j]
5210                                                + " (in package " + pkg.applicationInfo.packageName
5211                                                + ") is already used by " + otherPackageName);
5212                            }
5213                        }
5214                    }
5215                }
5216            }
5217
5218            if (pkg.mAdoptPermissions != null) {
5219                // This package wants to adopt ownership of permissions from
5220                // another package.
5221                for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) {
5222                    final String origName = pkg.mAdoptPermissions.get(i);
5223                    final PackageSetting orig = mSettings.peekPackageLPr(origName);
5224                    if (orig != null) {
5225                        if (verifyPackageUpdateLPr(orig, pkg)) {
5226                            Slog.i(TAG, "Adopting permissions from " + origName + " to "
5227                                    + pkg.packageName);
5228                            mSettings.transferPermissionsLPw(origName, pkg.packageName);
5229                        }
5230                    }
5231                }
5232            }
5233        }
5234
5235        final String pkgName = pkg.packageName;
5236
5237        final long scanFileTime = scanFile.lastModified();
5238        final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0;
5239        pkg.applicationInfo.processName = fixProcessName(
5240                pkg.applicationInfo.packageName,
5241                pkg.applicationInfo.processName,
5242                pkg.applicationInfo.uid);
5243
5244        File dataPath;
5245        if (mPlatformPackage == pkg) {
5246            // The system package is special.
5247            dataPath = new File (Environment.getDataDirectory(), "system");
5248            pkg.applicationInfo.dataDir = dataPath.getPath();
5249        } else {
5250            // This is a normal package, need to make its data directory.
5251            dataPath = getDataPathForPackage(pkg.packageName, 0);
5252
5253            boolean uidError = false;
5254
5255            if (dataPath.exists()) {
5256                int currentUid = 0;
5257                try {
5258                    StructStat stat = Os.stat(dataPath.getPath());
5259                    currentUid = stat.st_uid;
5260                } catch (ErrnoException e) {
5261                    Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e);
5262                }
5263
5264                // If we have mismatched owners for the data path, we have a problem.
5265                if (currentUid != pkg.applicationInfo.uid) {
5266                    boolean recovered = false;
5267                    if (currentUid == 0) {
5268                        // The directory somehow became owned by root.  Wow.
5269                        // This is probably because the system was stopped while
5270                        // installd was in the middle of messing with its libs
5271                        // directory.  Ask installd to fix that.
5272                        int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid,
5273                                pkg.applicationInfo.uid);
5274                        if (ret >= 0) {
5275                            recovered = true;
5276                            String msg = "Package " + pkg.packageName
5277                                    + " unexpectedly changed to uid 0; recovered to " +
5278                                    + pkg.applicationInfo.uid;
5279                            reportSettingsProblem(Log.WARN, msg);
5280                        }
5281                    }
5282                    if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
5283                            || (scanMode&SCAN_BOOTING) != 0)) {
5284                        // If this is a system app, we can at least delete its
5285                        // current data so the application will still work.
5286                        int ret = removeDataDirsLI(pkgName);
5287                        if (ret >= 0) {
5288                            // TODO: Kill the processes first
5289                            // Old data gone!
5290                            String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
5291                                    ? "System package " : "Third party package ";
5292                            String msg = prefix + pkg.packageName
5293                                    + " has changed from uid: "
5294                                    + currentUid + " to "
5295                                    + pkg.applicationInfo.uid + "; old data erased";
5296                            reportSettingsProblem(Log.WARN, msg);
5297                            recovered = true;
5298
5299                            // And now re-install the app.
5300                            ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid,
5301                                                   pkg.applicationInfo.seinfo);
5302                            if (ret == -1) {
5303                                // Ack should not happen!
5304                                msg = prefix + pkg.packageName
5305                                        + " could not have data directory re-created after delete.";
5306                                reportSettingsProblem(Log.WARN, msg);
5307                                throw new PackageManagerException(
5308                                        INSTALL_FAILED_INSUFFICIENT_STORAGE, msg);
5309                            }
5310                        }
5311                        if (!recovered) {
5312                            mHasSystemUidErrors = true;
5313                        }
5314                    } else if (!recovered) {
5315                        // If we allow this install to proceed, we will be broken.
5316                        // Abort, abort!
5317                        throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED,
5318                                "scanPackageLI");
5319                    }
5320                    if (!recovered) {
5321                        pkg.applicationInfo.dataDir = "/mismatched_uid/settings_"
5322                            + pkg.applicationInfo.uid + "/fs_"
5323                            + currentUid;
5324                        pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir;
5325                        pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir;
5326                        String msg = "Package " + pkg.packageName
5327                                + " has mismatched uid: "
5328                                + currentUid + " on disk, "
5329                                + pkg.applicationInfo.uid + " in settings";
5330                        // writer
5331                        synchronized (mPackages) {
5332                            mSettings.mReadMessages.append(msg);
5333                            mSettings.mReadMessages.append('\n');
5334                            uidError = true;
5335                            if (!pkgSetting.uidError) {
5336                                reportSettingsProblem(Log.ERROR, msg);
5337                            }
5338                        }
5339                    }
5340                }
5341                pkg.applicationInfo.dataDir = dataPath.getPath();
5342                if (mShouldRestoreconData) {
5343                    Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued.");
5344                    mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo,
5345                                pkg.applicationInfo.uid);
5346                }
5347            } else {
5348                if (DEBUG_PACKAGE_SCANNING) {
5349                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5350                        Log.v(TAG, "Want this data dir: " + dataPath);
5351                }
5352                //invoke installer to do the actual installation
5353                int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid,
5354                                           pkg.applicationInfo.seinfo);
5355                if (ret < 0) {
5356                    // Error from installer
5357                    throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
5358                            "Unable to create data dirs [errorCode=" + ret + "]");
5359                }
5360
5361                if (dataPath.exists()) {
5362                    pkg.applicationInfo.dataDir = dataPath.getPath();
5363                } else {
5364                    Slog.w(TAG, "Unable to create data directory: " + dataPath);
5365                    pkg.applicationInfo.dataDir = null;
5366                }
5367            }
5368
5369            pkgSetting.uidError = uidError;
5370        }
5371
5372        final String path = scanFile.getPath();
5373        final String codePath = pkg.applicationInfo.getCodePath();
5374        if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) {
5375            // For the case where we had previously uninstalled an update, get rid
5376            // of any native binaries we might have unpackaged. Note that this assumes
5377            // that system app updates were not installed via ASEC.
5378            //
5379            // TODO(multiArch): Is this cleanup really necessary ?
5380            NativeLibraryHelper.removeNativeBinariesFromDirLI(
5381                    new File(codePath, LIB_DIR_NAME), false /* delete dirs */);
5382            setBundledAppAbisAndRoots(pkg, pkgSetting);
5383            setNativeLibraryPaths(pkg);
5384        } else {
5385            // TODO: We can probably be smarter about this stuff. For installed apps,
5386            // we can calculate this information at install time once and for all. For
5387            // system apps, we can probably assume that this information doesn't change
5388            // after the first boot scan. As things stand, we do lots of unnecessary work.
5389
5390            // Give ourselves some initial paths; we'll come back for another
5391            // pass once we've determined ABI below.
5392            setNativeLibraryPaths(pkg);
5393
5394            final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg);
5395            final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir;
5396            final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa;
5397
5398            NativeLibraryHelper.Handle handle = null;
5399            try {
5400                handle = NativeLibraryHelper.Handle.create(scanFile);
5401                // TODO(multiArch): This can be null for apps that didn't go through the
5402                // usual installation process. We can calculate it again, like we
5403                // do during install time.
5404                //
5405                // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally
5406                // unnecessary.
5407                final File nativeLibraryRoot = new File(nativeLibraryRootStr);
5408
5409                // Null out the abis so that they can be recalculated.
5410                pkg.applicationInfo.primaryCpuAbi = null;
5411                pkg.applicationInfo.secondaryCpuAbi = null;
5412                if (isMultiArch(pkg.applicationInfo)) {
5413                    // Warn if we've set an abiOverride for multi-lib packages..
5414                    // By definition, we need to copy both 32 and 64 bit libraries for
5415                    // such packages.
5416                    if (abiOverride != null) {
5417                        Slog.w(TAG, "Ignoring abiOverride for multi arch application.");
5418                    }
5419
5420                    int abi32 = PackageManager.NO_NATIVE_LIBRARIES;
5421                    int abi64 = PackageManager.NO_NATIVE_LIBRARIES;
5422                    if (Build.SUPPORTED_32_BIT_ABIS.length > 0) {
5423                        if (isAsec) {
5424                            abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS);
5425                        } else {
5426                            abi32 = copyNativeLibrariesForInternalApp(handle,
5427                                    nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, useIsaSpecificSubdirs);
5428                        }
5429                    }
5430
5431                    maybeThrowExceptionForMultiArchCopy(
5432                            "Error unpackaging 32 bit native libs for multiarch app.", abi32);
5433
5434                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0) {
5435                        if (isAsec) {
5436                            abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS);
5437                        } else {
5438                            abi64 = copyNativeLibrariesForInternalApp(handle,
5439                                    nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, useIsaSpecificSubdirs);
5440                        }
5441                    }
5442
5443                    maybeThrowExceptionForMultiArchCopy(
5444                            "Error unpackaging 64 bit native libs for multiarch app.", abi64);
5445
5446                    if (abi64 >= 0) {
5447                        pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64];
5448                    }
5449
5450                    if (abi32 >= 0) {
5451                        final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32];
5452                        if (abi64 >= 0) {
5453                            pkg.applicationInfo.secondaryCpuAbi = abi;
5454                        } else {
5455                            pkg.applicationInfo.primaryCpuAbi = abi;
5456                        }
5457                    }
5458                } else {
5459                    String[] abiList = (abiOverride != null) ?
5460                            new String[] { abiOverride } : Build.SUPPORTED_ABIS;
5461
5462                    // Enable gross and lame hacks for apps that are built with old
5463                    // SDK tools. We must scan their APKs for renderscript bitcode and
5464                    // not launch them if it's present. Don't bother checking on devices
5465                    // that don't have 64 bit support.
5466                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && abiOverride == null &&
5467                            NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
5468                        abiList = Build.SUPPORTED_32_BIT_ABIS;
5469                    }
5470
5471                    final int copyRet;
5472                    if (isAsec) {
5473                        copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList);
5474                    } else {
5475                        copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryRoot, abiList,
5476                                useIsaSpecificSubdirs);
5477                    }
5478
5479                    if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) {
5480                        throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
5481                                "Error unpackaging native libs for app, errorCode=" + copyRet);
5482                    }
5483
5484                    if (copyRet >= 0) {
5485                        pkg.applicationInfo.primaryCpuAbi = abiList[copyRet];
5486                    }
5487                }
5488            } catch (IOException ioe) {
5489                Slog.e(TAG, "Unable to get canonical file " + ioe.toString());
5490            } finally {
5491                IoUtils.closeQuietly(handle);
5492            }
5493
5494            // Now that we've calculated the ABIs and determined if it's an internal app,
5495            // we will go ahead and populate the nativeLibraryPath.
5496            setNativeLibraryPaths(pkg);
5497
5498            if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path);
5499            final int[] userIds = sUserManager.getUserIds();
5500            synchronized (mInstallLock) {
5501                // Create a native library symlink only if we have native libraries
5502                // and if the native libraries are 32 bit libraries. We do not provide
5503                // this symlink for 64 bit libraries.
5504                if (pkg.applicationInfo.primaryCpuAbi != null &&
5505                        !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
5506                    final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
5507                    for (int userId : userIds) {
5508                        if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) {
5509                            throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
5510                                    "Failed linking native library dir (user=" + userId + ")");
5511                        }
5512                    }
5513                }
5514            }
5515
5516            pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
5517            pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
5518        }
5519
5520        Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName
5521                + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa="
5522                + pkg.applicationInfo.nativeLibraryRootRequiresIsa);
5523
5524        // Push the derived path down into PackageSettings so we know what to
5525        // clean up at uninstall time.
5526        pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir;
5527
5528        if (DEBUG_ABI_SELECTION) {
5529            Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" +
5530                    " primary=" + pkg.applicationInfo.primaryCpuAbi +
5531                    " secondary=" + pkg.applicationInfo.secondaryCpuAbi);
5532        }
5533
5534        if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) {
5535            // We don't do this here during boot because we can do it all
5536            // at once after scanning all existing packages.
5537            //
5538            // We also do this *before* we perform dexopt on this package, so that
5539            // we can avoid redundant dexopts, and also to make sure we've got the
5540            // code and package path correct.
5541            adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages,
5542                    pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0);
5543        }
5544
5545        if ((scanMode&SCAN_NO_DEX) == 0) {
5546            if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false)
5547                    == DEX_OPT_FAILED) {
5548                if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) {
5549                    removeDataDirsLI(pkg.packageName);
5550                }
5551
5552                throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI");
5553            }
5554        }
5555
5556        if (mFactoryTest && pkg.requestedPermissions.contains(
5557                android.Manifest.permission.FACTORY_TEST)) {
5558            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST;
5559        }
5560
5561        ArrayList<PackageParser.Package> clientLibPkgs = null;
5562
5563        // writer
5564        synchronized (mPackages) {
5565            if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
5566                // Only system apps can add new shared libraries.
5567                if (pkg.libraryNames != null) {
5568                    for (int i=0; i<pkg.libraryNames.size(); i++) {
5569                        String name = pkg.libraryNames.get(i);
5570                        boolean allowed = false;
5571                        if (isUpdatedSystemApp(pkg)) {
5572                            // New library entries can only be added through the
5573                            // system image.  This is important to get rid of a lot
5574                            // of nasty edge cases: for example if we allowed a non-
5575                            // system update of the app to add a library, then uninstalling
5576                            // the update would make the library go away, and assumptions
5577                            // we made such as through app install filtering would now
5578                            // have allowed apps on the device which aren't compatible
5579                            // with it.  Better to just have the restriction here, be
5580                            // conservative, and create many fewer cases that can negatively
5581                            // impact the user experience.
5582                            final PackageSetting sysPs = mSettings
5583                                    .getDisabledSystemPkgLPr(pkg.packageName);
5584                            if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) {
5585                                for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) {
5586                                    if (name.equals(sysPs.pkg.libraryNames.get(j))) {
5587                                        allowed = true;
5588                                        allowed = true;
5589                                        break;
5590                                    }
5591                                }
5592                            }
5593                        } else {
5594                            allowed = true;
5595                        }
5596                        if (allowed) {
5597                            if (!mSharedLibraries.containsKey(name)) {
5598                                mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName));
5599                            } else if (!name.equals(pkg.packageName)) {
5600                                Slog.w(TAG, "Package " + pkg.packageName + " library "
5601                                        + name + " already exists; skipping");
5602                            }
5603                        } else {
5604                            Slog.w(TAG, "Package " + pkg.packageName + " declares lib "
5605                                    + name + " that is not declared on system image; skipping");
5606                        }
5607                    }
5608                    if ((scanMode&SCAN_BOOTING) == 0) {
5609                        // If we are not booting, we need to update any applications
5610                        // that are clients of our shared library.  If we are booting,
5611                        // this will all be done once the scan is complete.
5612                        clientLibPkgs = updateAllSharedLibrariesLPw(pkg);
5613                    }
5614                }
5615            }
5616        }
5617
5618        // We also need to dexopt any apps that are dependent on this library.  Note that
5619        // if these fail, we should abort the install since installing the library will
5620        // result in some apps being broken.
5621        if (clientLibPkgs != null) {
5622            if ((scanMode&SCAN_NO_DEX) == 0) {
5623                for (int i=0; i<clientLibPkgs.size(); i++) {
5624                    PackageParser.Package clientPkg = clientLibPkgs.get(i);
5625                    if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false)
5626                            == DEX_OPT_FAILED) {
5627                        if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) {
5628                            removeDataDirsLI(pkg.packageName);
5629                        }
5630
5631                        throw new PackageManagerException(INSTALL_FAILED_DEXOPT,
5632                                "scanPackageLI failed to dexopt clientLibPkgs");
5633                    }
5634                }
5635            }
5636        }
5637
5638        // Request the ActivityManager to kill the process(only for existing packages)
5639        // so that we do not end up in a confused state while the user is still using the older
5640        // version of the application while the new one gets installed.
5641        if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
5642            // If the package lives in an asec, tell everyone that the container is going
5643            // away so they can clean up any references to its resources (which would prevent
5644            // vold from being able to unmount the asec)
5645            if (isForwardLocked(pkg) || isExternal(pkg)) {
5646                if (DEBUG_INSTALL) {
5647                    Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE");
5648                }
5649                final int[] uidArray = new int[] { pkg.applicationInfo.uid };
5650                final ArrayList<String> pkgList = new ArrayList<String>(1);
5651                pkgList.add(pkg.applicationInfo.packageName);
5652                sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null);
5653            }
5654
5655            // Post the request that it be killed now that the going-away broadcast is en route
5656            killApplication(pkg.applicationInfo.packageName,
5657                        pkg.applicationInfo.uid, "update pkg");
5658        }
5659
5660        // Also need to kill any apps that are dependent on the library.
5661        if (clientLibPkgs != null) {
5662            for (int i=0; i<clientLibPkgs.size(); i++) {
5663                PackageParser.Package clientPkg = clientLibPkgs.get(i);
5664                killApplication(clientPkg.applicationInfo.packageName,
5665                        clientPkg.applicationInfo.uid, "update lib");
5666            }
5667        }
5668
5669        // writer
5670        synchronized (mPackages) {
5671            // We don't expect installation to fail beyond this point,
5672            if ((scanMode&SCAN_MONITOR) != 0) {
5673                mAppDirs.put(pkg.codePath, pkg);
5674            }
5675            // Add the new setting to mSettings
5676            mSettings.insertPackageSettingLPw(pkgSetting, pkg);
5677            // Add the new setting to mPackages
5678            mPackages.put(pkg.applicationInfo.packageName, pkg);
5679            // Make sure we don't accidentally delete its data.
5680            final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator();
5681            while (iter.hasNext()) {
5682                PackageCleanItem item = iter.next();
5683                if (pkgName.equals(item.packageName)) {
5684                    iter.remove();
5685                }
5686            }
5687
5688            // Take care of first install / last update times.
5689            if (currentTime != 0) {
5690                if (pkgSetting.firstInstallTime == 0) {
5691                    pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime;
5692                } else if ((scanMode&SCAN_UPDATE_TIME) != 0) {
5693                    pkgSetting.lastUpdateTime = currentTime;
5694                }
5695            } else if (pkgSetting.firstInstallTime == 0) {
5696                // We need *something*.  Take time time stamp of the file.
5697                pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime;
5698            } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) {
5699                if (scanFileTime != pkgSetting.timeStamp) {
5700                    // A package on the system image has changed; consider this
5701                    // to be an update.
5702                    pkgSetting.lastUpdateTime = scanFileTime;
5703                }
5704            }
5705
5706            // Add the package's KeySets to the global KeySetManagerService
5707            KeySetManagerService ksms = mSettings.mKeySetManagerService;
5708            try {
5709                // Old KeySetData no longer valid.
5710                ksms.removeAppKeySetDataLPw(pkg.packageName);
5711                ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys);
5712                if (pkg.mKeySetMapping != null) {
5713                    for (Map.Entry<String, ArraySet<PublicKey>> entry :
5714                            pkg.mKeySetMapping.entrySet()) {
5715                        if (entry.getValue() != null) {
5716                            ksms.addDefinedKeySetToPackageLPw(pkg.packageName,
5717                                                          entry.getValue(), entry.getKey());
5718                        }
5719                    }
5720                    if (pkg.mUpgradeKeySets != null) {
5721                        for (String upgradeAlias : pkg.mUpgradeKeySets) {
5722                            ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias);
5723                        }
5724                    }
5725                }
5726            } catch (NullPointerException e) {
5727                Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e);
5728            } catch (IllegalArgumentException e) {
5729                Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e);
5730            }
5731
5732            int N = pkg.providers.size();
5733            StringBuilder r = null;
5734            int i;
5735            for (i=0; i<N; i++) {
5736                PackageParser.Provider p = pkg.providers.get(i);
5737                p.info.processName = fixProcessName(pkg.applicationInfo.processName,
5738                        p.info.processName, pkg.applicationInfo.uid);
5739                mProviders.addProvider(p);
5740                p.syncable = p.info.isSyncable;
5741                if (p.info.authority != null) {
5742                    String names[] = p.info.authority.split(";");
5743                    p.info.authority = null;
5744                    for (int j = 0; j < names.length; j++) {
5745                        if (j == 1 && p.syncable) {
5746                            // We only want the first authority for a provider to possibly be
5747                            // syncable, so if we already added this provider using a different
5748                            // authority clear the syncable flag. We copy the provider before
5749                            // changing it because the mProviders object contains a reference
5750                            // to a provider that we don't want to change.
5751                            // Only do this for the second authority since the resulting provider
5752                            // object can be the same for all future authorities for this provider.
5753                            p = new PackageParser.Provider(p);
5754                            p.syncable = false;
5755                        }
5756                        if (!mProvidersByAuthority.containsKey(names[j])) {
5757                            mProvidersByAuthority.put(names[j], p);
5758                            if (p.info.authority == null) {
5759                                p.info.authority = names[j];
5760                            } else {
5761                                p.info.authority = p.info.authority + ";" + names[j];
5762                            }
5763                            if (DEBUG_PACKAGE_SCANNING) {
5764                                if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5765                                    Log.d(TAG, "Registered content provider: " + names[j]
5766                                            + ", className = " + p.info.name + ", isSyncable = "
5767                                            + p.info.isSyncable);
5768                            }
5769                        } else {
5770                            PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
5771                            Slog.w(TAG, "Skipping provider name " + names[j] +
5772                                    " (in package " + pkg.applicationInfo.packageName +
5773                                    "): name already used by "
5774                                    + ((other != null && other.getComponentName() != null)
5775                                            ? other.getComponentName().getPackageName() : "?"));
5776                        }
5777                    }
5778                }
5779                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5780                    if (r == null) {
5781                        r = new StringBuilder(256);
5782                    } else {
5783                        r.append(' ');
5784                    }
5785                    r.append(p.info.name);
5786                }
5787            }
5788            if (r != null) {
5789                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Providers: " + r);
5790            }
5791
5792            N = pkg.services.size();
5793            r = null;
5794            for (i=0; i<N; i++) {
5795                PackageParser.Service s = pkg.services.get(i);
5796                s.info.processName = fixProcessName(pkg.applicationInfo.processName,
5797                        s.info.processName, pkg.applicationInfo.uid);
5798                mServices.addService(s);
5799                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5800                    if (r == null) {
5801                        r = new StringBuilder(256);
5802                    } else {
5803                        r.append(' ');
5804                    }
5805                    r.append(s.info.name);
5806                }
5807            }
5808            if (r != null) {
5809                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Services: " + r);
5810            }
5811
5812            N = pkg.receivers.size();
5813            r = null;
5814            for (i=0; i<N; i++) {
5815                PackageParser.Activity a = pkg.receivers.get(i);
5816                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
5817                        a.info.processName, pkg.applicationInfo.uid);
5818                mReceivers.addActivity(a, "receiver");
5819                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5820                    if (r == null) {
5821                        r = new StringBuilder(256);
5822                    } else {
5823                        r.append(' ');
5824                    }
5825                    r.append(a.info.name);
5826                }
5827            }
5828            if (r != null) {
5829                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Receivers: " + r);
5830            }
5831
5832            N = pkg.activities.size();
5833            r = null;
5834            for (i=0; i<N; i++) {
5835                PackageParser.Activity a = pkg.activities.get(i);
5836                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
5837                        a.info.processName, pkg.applicationInfo.uid);
5838                mActivities.addActivity(a, "activity");
5839                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5840                    if (r == null) {
5841                        r = new StringBuilder(256);
5842                    } else {
5843                        r.append(' ');
5844                    }
5845                    r.append(a.info.name);
5846                }
5847            }
5848            if (r != null) {
5849                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Activities: " + r);
5850            }
5851
5852            N = pkg.permissionGroups.size();
5853            r = null;
5854            for (i=0; i<N; i++) {
5855                PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i);
5856                PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name);
5857                if (cur == null) {
5858                    mPermissionGroups.put(pg.info.name, pg);
5859                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5860                        if (r == null) {
5861                            r = new StringBuilder(256);
5862                        } else {
5863                            r.append(' ');
5864                        }
5865                        r.append(pg.info.name);
5866                    }
5867                } else {
5868                    Slog.w(TAG, "Permission group " + pg.info.name + " from package "
5869                            + pg.info.packageName + " ignored: original from "
5870                            + cur.info.packageName);
5871                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5872                        if (r == null) {
5873                            r = new StringBuilder(256);
5874                        } else {
5875                            r.append(' ');
5876                        }
5877                        r.append("DUP:");
5878                        r.append(pg.info.name);
5879                    }
5880                }
5881            }
5882            if (r != null) {
5883                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permission Groups: " + r);
5884            }
5885
5886            N = pkg.permissions.size();
5887            r = null;
5888            for (i=0; i<N; i++) {
5889                PackageParser.Permission p = pkg.permissions.get(i);
5890                HashMap<String, BasePermission> permissionMap =
5891                        p.tree ? mSettings.mPermissionTrees
5892                        : mSettings.mPermissions;
5893                p.group = mPermissionGroups.get(p.info.group);
5894                if (p.info.group == null || p.group != null) {
5895                    BasePermission bp = permissionMap.get(p.info.name);
5896                    if (bp == null) {
5897                        bp = new BasePermission(p.info.name, p.info.packageName,
5898                                BasePermission.TYPE_NORMAL);
5899                        permissionMap.put(p.info.name, bp);
5900                    }
5901                    if (bp.perm == null) {
5902                        if (bp.sourcePackage != null
5903                                && !bp.sourcePackage.equals(p.info.packageName)) {
5904                            // If this is a permission that was formerly defined by a non-system
5905                            // app, but is now defined by a system app (following an upgrade),
5906                            // discard the previous declaration and consider the system's to be
5907                            // canonical.
5908                            if (isSystemApp(p.owner)) {
5909                                String msg = "New decl " + p.owner + " of permission  "
5910                                        + p.info.name + " is system";
5911                                reportSettingsProblem(Log.WARN, msg);
5912                                bp.sourcePackage = null;
5913                            }
5914                        }
5915                        if (bp.sourcePackage == null
5916                                || bp.sourcePackage.equals(p.info.packageName)) {
5917                            BasePermission tree = findPermissionTreeLP(p.info.name);
5918                            if (tree == null
5919                                    || tree.sourcePackage.equals(p.info.packageName)) {
5920                                bp.packageSetting = pkgSetting;
5921                                bp.perm = p;
5922                                bp.uid = pkg.applicationInfo.uid;
5923                                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5924                                    if (r == null) {
5925                                        r = new StringBuilder(256);
5926                                    } else {
5927                                        r.append(' ');
5928                                    }
5929                                    r.append(p.info.name);
5930                                }
5931                            } else {
5932                                Slog.w(TAG, "Permission " + p.info.name + " from package "
5933                                        + p.info.packageName + " ignored: base tree "
5934                                        + tree.name + " is from package "
5935                                        + tree.sourcePackage);
5936                            }
5937                        } else {
5938                            Slog.w(TAG, "Permission " + p.info.name + " from package "
5939                                    + p.info.packageName + " ignored: original from "
5940                                    + bp.sourcePackage);
5941                        }
5942                    } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5943                        if (r == null) {
5944                            r = new StringBuilder(256);
5945                        } else {
5946                            r.append(' ');
5947                        }
5948                        r.append("DUP:");
5949                        r.append(p.info.name);
5950                    }
5951                    if (bp.perm == p) {
5952                        bp.protectionLevel = p.info.protectionLevel;
5953                    }
5954                } else {
5955                    Slog.w(TAG, "Permission " + p.info.name + " from package "
5956                            + p.info.packageName + " ignored: no group "
5957                            + p.group);
5958                }
5959            }
5960            if (r != null) {
5961                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permissions: " + r);
5962            }
5963
5964            N = pkg.instrumentation.size();
5965            r = null;
5966            for (i=0; i<N; i++) {
5967                PackageParser.Instrumentation a = pkg.instrumentation.get(i);
5968                a.info.packageName = pkg.applicationInfo.packageName;
5969                a.info.sourceDir = pkg.applicationInfo.sourceDir;
5970                a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir;
5971                a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs;
5972                a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs;
5973                a.info.dataDir = pkg.applicationInfo.dataDir;
5974
5975                // TODO: Update instrumentation.nativeLibraryDir as well ? Does it
5976                // need other information about the application, like the ABI and what not ?
5977                a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir;
5978                mInstrumentation.put(a.getComponentName(), a);
5979                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5980                    if (r == null) {
5981                        r = new StringBuilder(256);
5982                    } else {
5983                        r.append(' ');
5984                    }
5985                    r.append(a.info.name);
5986                }
5987            }
5988            if (r != null) {
5989                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Instrumentation: " + r);
5990            }
5991
5992            if (pkg.protectedBroadcasts != null) {
5993                N = pkg.protectedBroadcasts.size();
5994                for (i=0; i<N; i++) {
5995                    mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i));
5996                }
5997            }
5998
5999            pkgSetting.setTimeStamp(scanFileTime);
6000
6001            // Create idmap files for pairs of (packages, overlay packages).
6002            // Note: "android", ie framework-res.apk, is handled by native layers.
6003            if (pkg.mOverlayTarget != null) {
6004                // This is an overlay package.
6005                if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) {
6006                    if (!mOverlays.containsKey(pkg.mOverlayTarget)) {
6007                        mOverlays.put(pkg.mOverlayTarget,
6008                                new HashMap<String, PackageParser.Package>());
6009                    }
6010                    HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget);
6011                    map.put(pkg.packageName, pkg);
6012                    PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget);
6013                    if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) {
6014                        throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
6015                                "scanPackageLI failed to createIdmap");
6016                    }
6017                }
6018            } else if (mOverlays.containsKey(pkg.packageName) &&
6019                    !pkg.packageName.equals("android")) {
6020                // This is a regular package, with one or more known overlay packages.
6021                createIdmapsForPackageLI(pkg);
6022            }
6023        }
6024
6025        return pkg;
6026    }
6027
6028    /**
6029     * Adjusts ABIs for a set of packages belonging to a shared user so that they all match.
6030     * i.e, so that all packages can be run inside a single process if required.
6031     *
6032     * Optionally, callers can pass in a parsed package via {@code newPackage} in which case
6033     * this function will either try and make the ABI for all packages in {@code packagesForUser}
6034     * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match
6035     * the ABI selected for {@code packagesForUser}. This variant is used when installing or
6036     * updating a package that belongs to a shared user.
6037     *
6038     * NOTE: We currently only match for the primary CPU abi string. Matching the secondary
6039     * adds unnecessary complexity.
6040     */
6041    private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser,
6042            PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) {
6043        String requiredInstructionSet = null;
6044        if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) {
6045            requiredInstructionSet = VMRuntime.getInstructionSet(
6046                     scannedPackage.applicationInfo.primaryCpuAbi);
6047        }
6048
6049        PackageSetting requirer = null;
6050        for (PackageSetting ps : packagesForUser) {
6051            // If packagesForUser contains scannedPackage, we skip it. This will happen
6052            // when scannedPackage is an update of an existing package. Without this check,
6053            // we will never be able to change the ABI of any package belonging to a shared
6054            // user, even if it's compatible with other packages.
6055            if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
6056                if (ps.primaryCpuAbiString == null) {
6057                    continue;
6058                }
6059
6060                final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString);
6061                if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) {
6062                    // We have a mismatch between instruction sets (say arm vs arm64) warn about
6063                    // this but there's not much we can do.
6064                    String errorMessage = "Instruction set mismatch, "
6065                            + ((requirer == null) ? "[caller]" : requirer)
6066                            + " requires " + requiredInstructionSet + " whereas " + ps
6067                            + " requires " + instructionSet;
6068                    Slog.w(TAG, errorMessage);
6069                }
6070
6071                if (requiredInstructionSet == null) {
6072                    requiredInstructionSet = instructionSet;
6073                    requirer = ps;
6074                }
6075            }
6076        }
6077
6078        if (requiredInstructionSet != null) {
6079            String adjustedAbi;
6080            if (requirer != null) {
6081                // requirer != null implies that either scannedPackage was null or that scannedPackage
6082                // did not require an ABI, in which case we have to adjust scannedPackage to match
6083                // the ABI of the set (which is the same as requirer's ABI)
6084                adjustedAbi = requirer.primaryCpuAbiString;
6085                if (scannedPackage != null) {
6086                    scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi;
6087                }
6088            } else {
6089                // requirer == null implies that we're updating all ABIs in the set to
6090                // match scannedPackage.
6091                adjustedAbi =  scannedPackage.applicationInfo.primaryCpuAbi;
6092            }
6093
6094            for (PackageSetting ps : packagesForUser) {
6095                if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
6096                    if (ps.primaryCpuAbiString != null) {
6097                        continue;
6098                    }
6099
6100                    ps.primaryCpuAbiString = adjustedAbi;
6101                    if (ps.pkg != null && ps.pkg.applicationInfo != null) {
6102                        ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi;
6103                        Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi);
6104
6105                        if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) {
6106                            ps.primaryCpuAbiString = null;
6107                            ps.pkg.applicationInfo.primaryCpuAbi = null;
6108                            return;
6109                        } else {
6110                            mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet());
6111                        }
6112                    }
6113                }
6114            }
6115        }
6116    }
6117
6118    private void setUpCustomResolverActivity(PackageParser.Package pkg) {
6119        synchronized (mPackages) {
6120            mResolverReplaced = true;
6121            // Set up information for custom user intent resolution activity.
6122            mResolveActivity.applicationInfo = pkg.applicationInfo;
6123            mResolveActivity.name = mCustomResolverComponentName.getClassName();
6124            mResolveActivity.packageName = pkg.applicationInfo.packageName;
6125            mResolveActivity.processName = null;
6126            mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
6127            mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS |
6128                    ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS;
6129            mResolveActivity.theme = 0;
6130            mResolveActivity.exported = true;
6131            mResolveActivity.enabled = true;
6132            mResolveInfo.activityInfo = mResolveActivity;
6133            mResolveInfo.priority = 0;
6134            mResolveInfo.preferredOrder = 0;
6135            mResolveInfo.match = 0;
6136            mResolveComponentName = mCustomResolverComponentName;
6137            Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " +
6138                    mResolveComponentName);
6139        }
6140    }
6141
6142    private static String calculateApkRoot(final String codePathString) {
6143        final File codePath = new File(codePathString);
6144        final File codeRoot;
6145        if (FileUtils.contains(Environment.getRootDirectory(), codePath)) {
6146            codeRoot = Environment.getRootDirectory();
6147        } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) {
6148            codeRoot = Environment.getOemDirectory();
6149        } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) {
6150            codeRoot = Environment.getVendorDirectory();
6151        } else {
6152            // Unrecognized code path; take its top real segment as the apk root:
6153            // e.g. /something/app/blah.apk => /something
6154            try {
6155                File f = codePath.getCanonicalFile();
6156                File parent = f.getParentFile();    // non-null because codePath is a file
6157                File tmp;
6158                while ((tmp = parent.getParentFile()) != null) {
6159                    f = parent;
6160                    parent = tmp;
6161                }
6162                codeRoot = f;
6163                Slog.w(TAG, "Unrecognized code path "
6164                        + codePath + " - using " + codeRoot);
6165            } catch (IOException e) {
6166                // Can't canonicalize the code path -- shenanigans?
6167                Slog.w(TAG, "Can't canonicalize code path " + codePath);
6168                return Environment.getRootDirectory().getPath();
6169            }
6170        }
6171        return codeRoot.getPath();
6172    }
6173
6174    /**
6175     * Derive and set the location of native libraries for the given package,
6176     * which varies depending on where and how the package was installed.
6177     */
6178    private void setNativeLibraryPaths(PackageParser.Package pkg) {
6179        final ApplicationInfo info = pkg.applicationInfo;
6180        final String codePath = pkg.codePath;
6181        final File codeFile = new File(codePath);
6182
6183        final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info);
6184        final boolean asecApp = isForwardLocked(info) || isExternal(info);
6185
6186        info.nativeLibraryRootDir = null;
6187        info.nativeLibraryRootRequiresIsa = false;
6188        info.nativeLibraryDir = null;
6189
6190        if (bundledApp) {
6191            // Monolithic bundled install
6192            // TODO: support cluster bundled installs?
6193
6194            final boolean is64Bit = (info.primaryCpuAbi != null)
6195                    && VMRuntime.is64BitAbi(info.primaryCpuAbi);
6196
6197            // This is a bundled system app so choose the path based on the ABI.
6198            // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this
6199            // is just the default path.
6200            final String apkName = deriveCodePathName(codePath);
6201            final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME;
6202            info.nativeLibraryRootDir = Environment.buildPath(new File(info.apkRoot), libDir,
6203                    apkName).getAbsolutePath();
6204            info.nativeLibraryRootRequiresIsa = false;
6205
6206        } else if (isApkFile(codeFile)) {
6207            // Monolithic install
6208            if (asecApp) {
6209                info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME)
6210                        .getAbsolutePath();
6211                info.nativeLibraryRootRequiresIsa = false;
6212            } else {
6213                final String apkName = deriveCodePathName(codePath);
6214                info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName)
6215                        .getAbsolutePath();
6216                info.nativeLibraryRootRequiresIsa = false;
6217            }
6218        } else {
6219            // Cluster install
6220            info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath();
6221            info.nativeLibraryRootRequiresIsa = true;
6222        }
6223
6224        if (info.nativeLibraryRootRequiresIsa) {
6225            if (info.primaryCpuAbi != null) {
6226                info.nativeLibraryDir = new File(info.nativeLibraryRootDir,
6227                        VMRuntime.getInstructionSet(info.primaryCpuAbi)).getAbsolutePath();
6228            }
6229        } else {
6230            info.nativeLibraryDir = info.nativeLibraryRootDir;
6231        }
6232    }
6233
6234    /**
6235     * Calculate the abis and roots for a bundled app. These can uniquely
6236     * be determined from the contents of the system partition, i.e whether
6237     * it contains 64 or 32 bit shared libraries etc. We do not validate any
6238     * of this information, and instead assume that the system was built
6239     * sensibly.
6240     */
6241    private void setBundledAppAbisAndRoots(PackageParser.Package pkg,
6242                                           PackageSetting pkgSetting) {
6243        final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath());
6244
6245        // If "/system/lib64/apkname" exists, assume that is the per-package
6246        // native library directory to use; otherwise use "/system/lib/apkname".
6247        final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir);
6248        pkg.applicationInfo.apkRoot = apkRoot;
6249        setBundledAppAbi(pkg, apkRoot, apkName);
6250        // pkgSetting might be null during rescan following uninstall of updates
6251        // to a bundled app, so accommodate that possibility.  The settings in
6252        // that case will be established later from the parsed package.
6253        //
6254        // If the settings aren't null, sync them up with what we've just derived.
6255        // note that apkRoot isn't stored in the package settings.
6256        if (pkgSetting != null) {
6257            pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
6258            pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
6259        }
6260    }
6261
6262    /**
6263     * Deduces the ABI of a bundled app and sets the relevant fields on the
6264     * parsed pkg object.
6265     *
6266     * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem}
6267     *        under which system libraries are installed.
6268     * @param apkName the name of the installed package.
6269     */
6270    private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) {
6271        // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>"
6272        // or similar.
6273        final boolean has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists();
6274        final boolean has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists();
6275
6276        if (has64BitLibs && !has32BitLibs) {
6277            // The package has 64 bit libs, but not 32 bit libs. Its primary
6278            // ABI should be 64 bit. We can safely assume here that the bundled
6279            // native libraries correspond to the most preferred ABI in the list.
6280
6281            pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
6282            pkg.applicationInfo.secondaryCpuAbi = null;
6283        } else if (has32BitLibs && !has64BitLibs) {
6284            // The package has 32 bit libs but not 64 bit libs. Its primary
6285            // ABI should be 32 bit.
6286
6287            pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
6288            pkg.applicationInfo.secondaryCpuAbi = null;
6289        } else if (has32BitLibs && has64BitLibs) {
6290            // The application has both 64 and 32 bit bundled libraries. We check
6291            // here that the app declares multiArch support, and warn if it doesn't.
6292            //
6293            // We will be lenient here and record both ABIs. The primary will be the
6294            // ABI that's higher on the list, i.e, a device that's configured to prefer
6295            // 64 bit apps will see a 64 bit primary ABI,
6296
6297            if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) {
6298                Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch.");
6299            }
6300
6301            if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) {
6302                pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
6303                pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
6304            } else {
6305                pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
6306                pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
6307            }
6308        } else {
6309            pkg.applicationInfo.primaryCpuAbi = null;
6310            pkg.applicationInfo.secondaryCpuAbi = null;
6311        }
6312    }
6313
6314    private static void createNativeLibrarySubdir(File path) throws IOException {
6315        if (!path.isDirectory()) {
6316            path.delete();
6317
6318            if (!path.mkdir()) {
6319                throw new IOException("Cannot create " + path.getPath());
6320            }
6321
6322            try {
6323                Os.chmod(path.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
6324            } catch (ErrnoException e) {
6325                throw new IOException("Cannot chmod native library directory "
6326                        + path.getPath(), e);
6327            }
6328        } else if (!SELinux.restorecon(path)) {
6329            throw new IOException("Cannot set SELinux context for " + path.getPath());
6330        }
6331    }
6332
6333    private static int copyNativeLibrariesForInternalApp(NativeLibraryHelper.Handle handle,
6334            final File nativeLibraryRoot, String[] abiList, boolean useIsaSubdir) throws IOException {
6335        createNativeLibrarySubdir(nativeLibraryRoot);
6336
6337        /*
6338         * If this is an internal application or our nativeLibraryPath points to
6339         * the app-lib directory, unpack the libraries if necessary.
6340         */
6341        int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList);
6342        if (abi >= 0) {
6343            /*
6344             * If we have a matching instruction set, construct a subdir under the native
6345             * library root that corresponds to this instruction set.
6346             */
6347            final String instructionSet = VMRuntime.getInstructionSet(abiList[abi]);
6348            final File subDir;
6349            if (useIsaSubdir) {
6350                final File isaSubdir = new File(nativeLibraryRoot, instructionSet);
6351                createNativeLibrarySubdir(isaSubdir);
6352                subDir = isaSubdir;
6353            } else {
6354                subDir = nativeLibraryRoot;
6355            }
6356
6357            int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, subDir, abiList[abi]);
6358            if (copyRet != PackageManager.INSTALL_SUCCEEDED) {
6359                return copyRet;
6360            }
6361        }
6362
6363        return abi;
6364    }
6365
6366    private void killApplication(String pkgName, int appId, String reason) {
6367        // Request the ActivityManager to kill the process(only for existing packages)
6368        // so that we do not end up in a confused state while the user is still using the older
6369        // version of the application while the new one gets installed.
6370        IActivityManager am = ActivityManagerNative.getDefault();
6371        if (am != null) {
6372            try {
6373                am.killApplicationWithAppId(pkgName, appId, reason);
6374            } catch (RemoteException e) {
6375            }
6376        }
6377    }
6378
6379    void removePackageLI(PackageSetting ps, boolean chatty) {
6380        if (DEBUG_INSTALL) {
6381            if (chatty)
6382                Log.d(TAG, "Removing package " + ps.name);
6383        }
6384
6385        // writer
6386        synchronized (mPackages) {
6387            mPackages.remove(ps.name);
6388            if (ps.codePathString != null) {
6389                mAppDirs.remove(ps.codePathString);
6390            }
6391
6392            final PackageParser.Package pkg = ps.pkg;
6393            if (pkg != null) {
6394                cleanPackageDataStructuresLILPw(pkg, chatty);
6395            }
6396        }
6397    }
6398
6399    void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) {
6400        if (DEBUG_INSTALL) {
6401            if (chatty)
6402                Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName);
6403        }
6404
6405        // writer
6406        synchronized (mPackages) {
6407            mPackages.remove(pkg.applicationInfo.packageName);
6408            if (pkg.codePath != null) {
6409                mAppDirs.remove(pkg.codePath);
6410            }
6411            cleanPackageDataStructuresLILPw(pkg, chatty);
6412        }
6413    }
6414
6415    void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) {
6416        int N = pkg.providers.size();
6417        StringBuilder r = null;
6418        int i;
6419        for (i=0; i<N; i++) {
6420            PackageParser.Provider p = pkg.providers.get(i);
6421            mProviders.removeProvider(p);
6422            if (p.info.authority == null) {
6423
6424                /* There was another ContentProvider with this authority when
6425                 * this app was installed so this authority is null,
6426                 * Ignore it as we don't have to unregister the provider.
6427                 */
6428                continue;
6429            }
6430            String names[] = p.info.authority.split(";");
6431            for (int j = 0; j < names.length; j++) {
6432                if (mProvidersByAuthority.get(names[j]) == p) {
6433                    mProvidersByAuthority.remove(names[j]);
6434                    if (DEBUG_REMOVE) {
6435                        if (chatty)
6436                            Log.d(TAG, "Unregistered content provider: " + names[j]
6437                                    + ", className = " + p.info.name + ", isSyncable = "
6438                                    + p.info.isSyncable);
6439                    }
6440                }
6441            }
6442            if (DEBUG_REMOVE && chatty) {
6443                if (r == null) {
6444                    r = new StringBuilder(256);
6445                } else {
6446                    r.append(' ');
6447                }
6448                r.append(p.info.name);
6449            }
6450        }
6451        if (r != null) {
6452            if (DEBUG_REMOVE) Log.d(TAG, "  Providers: " + r);
6453        }
6454
6455        N = pkg.services.size();
6456        r = null;
6457        for (i=0; i<N; i++) {
6458            PackageParser.Service s = pkg.services.get(i);
6459            mServices.removeService(s);
6460            if (chatty) {
6461                if (r == null) {
6462                    r = new StringBuilder(256);
6463                } else {
6464                    r.append(' ');
6465                }
6466                r.append(s.info.name);
6467            }
6468        }
6469        if (r != null) {
6470            if (DEBUG_REMOVE) Log.d(TAG, "  Services: " + r);
6471        }
6472
6473        N = pkg.receivers.size();
6474        r = null;
6475        for (i=0; i<N; i++) {
6476            PackageParser.Activity a = pkg.receivers.get(i);
6477            mReceivers.removeActivity(a, "receiver");
6478            if (DEBUG_REMOVE && chatty) {
6479                if (r == null) {
6480                    r = new StringBuilder(256);
6481                } else {
6482                    r.append(' ');
6483                }
6484                r.append(a.info.name);
6485            }
6486        }
6487        if (r != null) {
6488            if (DEBUG_REMOVE) Log.d(TAG, "  Receivers: " + r);
6489        }
6490
6491        N = pkg.activities.size();
6492        r = null;
6493        for (i=0; i<N; i++) {
6494            PackageParser.Activity a = pkg.activities.get(i);
6495            mActivities.removeActivity(a, "activity");
6496            if (DEBUG_REMOVE && chatty) {
6497                if (r == null) {
6498                    r = new StringBuilder(256);
6499                } else {
6500                    r.append(' ');
6501                }
6502                r.append(a.info.name);
6503            }
6504        }
6505        if (r != null) {
6506            if (DEBUG_REMOVE) Log.d(TAG, "  Activities: " + r);
6507        }
6508
6509        N = pkg.permissions.size();
6510        r = null;
6511        for (i=0; i<N; i++) {
6512            PackageParser.Permission p = pkg.permissions.get(i);
6513            BasePermission bp = mSettings.mPermissions.get(p.info.name);
6514            if (bp == null) {
6515                bp = mSettings.mPermissionTrees.get(p.info.name);
6516            }
6517            if (bp != null && bp.perm == p) {
6518                bp.perm = null;
6519                if (DEBUG_REMOVE && chatty) {
6520                    if (r == null) {
6521                        r = new StringBuilder(256);
6522                    } else {
6523                        r.append(' ');
6524                    }
6525                    r.append(p.info.name);
6526                }
6527            }
6528        }
6529        if (r != null) {
6530            if (DEBUG_REMOVE) Log.d(TAG, "  Permissions: " + r);
6531        }
6532
6533        N = pkg.instrumentation.size();
6534        r = null;
6535        for (i=0; i<N; i++) {
6536            PackageParser.Instrumentation a = pkg.instrumentation.get(i);
6537            mInstrumentation.remove(a.getComponentName());
6538            if (DEBUG_REMOVE && chatty) {
6539                if (r == null) {
6540                    r = new StringBuilder(256);
6541                } else {
6542                    r.append(' ');
6543                }
6544                r.append(a.info.name);
6545            }
6546        }
6547        if (r != null) {
6548            if (DEBUG_REMOVE) Log.d(TAG, "  Instrumentation: " + r);
6549        }
6550
6551        r = null;
6552        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
6553            // Only system apps can hold shared libraries.
6554            if (pkg.libraryNames != null) {
6555                for (i=0; i<pkg.libraryNames.size(); i++) {
6556                    String name = pkg.libraryNames.get(i);
6557                    SharedLibraryEntry cur = mSharedLibraries.get(name);
6558                    if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) {
6559                        mSharedLibraries.remove(name);
6560                        if (DEBUG_REMOVE && chatty) {
6561                            if (r == null) {
6562                                r = new StringBuilder(256);
6563                            } else {
6564                                r.append(' ');
6565                            }
6566                            r.append(name);
6567                        }
6568                    }
6569                }
6570            }
6571        }
6572        if (r != null) {
6573            if (DEBUG_REMOVE) Log.d(TAG, "  Libraries: " + r);
6574        }
6575    }
6576
6577    private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) {
6578        for (int i=pkgInfo.permissions.size()-1; i>=0; i--) {
6579            if (pkgInfo.permissions.get(i).info.name.equals(perm)) {
6580                return true;
6581            }
6582        }
6583        return false;
6584    }
6585
6586    static final int UPDATE_PERMISSIONS_ALL = 1<<0;
6587    static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1;
6588    static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2;
6589
6590    private void updatePermissionsLPw(String changingPkg,
6591            PackageParser.Package pkgInfo, int flags) {
6592        // Make sure there are no dangling permission trees.
6593        Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator();
6594        while (it.hasNext()) {
6595            final BasePermission bp = it.next();
6596            if (bp.packageSetting == null) {
6597                // We may not yet have parsed the package, so just see if
6598                // we still know about its settings.
6599                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
6600            }
6601            if (bp.packageSetting == null) {
6602                Slog.w(TAG, "Removing dangling permission tree: " + bp.name
6603                        + " from package " + bp.sourcePackage);
6604                it.remove();
6605            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
6606                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
6607                    Slog.i(TAG, "Removing old permission tree: " + bp.name
6608                            + " from package " + bp.sourcePackage);
6609                    flags |= UPDATE_PERMISSIONS_ALL;
6610                    it.remove();
6611                }
6612            }
6613        }
6614
6615        // Make sure all dynamic permissions have been assigned to a package,
6616        // and make sure there are no dangling permissions.
6617        it = mSettings.mPermissions.values().iterator();
6618        while (it.hasNext()) {
6619            final BasePermission bp = it.next();
6620            if (bp.type == BasePermission.TYPE_DYNAMIC) {
6621                if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name="
6622                        + bp.name + " pkg=" + bp.sourcePackage
6623                        + " info=" + bp.pendingInfo);
6624                if (bp.packageSetting == null && bp.pendingInfo != null) {
6625                    final BasePermission tree = findPermissionTreeLP(bp.name);
6626                    if (tree != null && tree.perm != null) {
6627                        bp.packageSetting = tree.packageSetting;
6628                        bp.perm = new PackageParser.Permission(tree.perm.owner,
6629                                new PermissionInfo(bp.pendingInfo));
6630                        bp.perm.info.packageName = tree.perm.info.packageName;
6631                        bp.perm.info.name = bp.name;
6632                        bp.uid = tree.uid;
6633                    }
6634                }
6635            }
6636            if (bp.packageSetting == null) {
6637                // We may not yet have parsed the package, so just see if
6638                // we still know about its settings.
6639                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
6640            }
6641            if (bp.packageSetting == null) {
6642                Slog.w(TAG, "Removing dangling permission: " + bp.name
6643                        + " from package " + bp.sourcePackage);
6644                it.remove();
6645            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
6646                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
6647                    Slog.i(TAG, "Removing old permission: " + bp.name
6648                            + " from package " + bp.sourcePackage);
6649                    flags |= UPDATE_PERMISSIONS_ALL;
6650                    it.remove();
6651                }
6652            }
6653        }
6654
6655        // Now update the permissions for all packages, in particular
6656        // replace the granted permissions of the system packages.
6657        if ((flags&UPDATE_PERMISSIONS_ALL) != 0) {
6658            for (PackageParser.Package pkg : mPackages.values()) {
6659                if (pkg != pkgInfo) {
6660                    grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0);
6661                }
6662            }
6663        }
6664
6665        if (pkgInfo != null) {
6666            grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0);
6667        }
6668    }
6669
6670    private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) {
6671        final PackageSetting ps = (PackageSetting) pkg.mExtras;
6672        if (ps == null) {
6673            return;
6674        }
6675        final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
6676        HashSet<String> origPermissions = gp.grantedPermissions;
6677        boolean changedPermission = false;
6678
6679        if (replace) {
6680            ps.permissionsFixed = false;
6681            if (gp == ps) {
6682                origPermissions = new HashSet<String>(gp.grantedPermissions);
6683                gp.grantedPermissions.clear();
6684                gp.gids = mGlobalGids;
6685            }
6686        }
6687
6688        if (gp.gids == null) {
6689            gp.gids = mGlobalGids;
6690        }
6691
6692        final int N = pkg.requestedPermissions.size();
6693        for (int i=0; i<N; i++) {
6694            final String name = pkg.requestedPermissions.get(i);
6695            final boolean required = pkg.requestedPermissionsRequired.get(i);
6696            final BasePermission bp = mSettings.mPermissions.get(name);
6697            if (DEBUG_INSTALL) {
6698                if (gp != ps) {
6699                    Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp);
6700                }
6701            }
6702
6703            if (bp == null || bp.packageSetting == null) {
6704                Slog.w(TAG, "Unknown permission " + name
6705                        + " in package " + pkg.packageName);
6706                continue;
6707            }
6708
6709            final String perm = bp.name;
6710            boolean allowed;
6711            boolean allowedSig = false;
6712            final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE;
6713            if (level == PermissionInfo.PROTECTION_NORMAL
6714                    || level == PermissionInfo.PROTECTION_DANGEROUS) {
6715                // We grant a normal or dangerous permission if any of the following
6716                // are true:
6717                // 1) The permission is required
6718                // 2) The permission is optional, but was granted in the past
6719                // 3) The permission is optional, but was requested by an
6720                //    app in /system (not /data)
6721                //
6722                // Otherwise, reject the permission.
6723                allowed = (required || origPermissions.contains(perm)
6724                        || (isSystemApp(ps) && !isUpdatedSystemApp(ps)));
6725            } else if (bp.packageSetting == null) {
6726                // This permission is invalid; skip it.
6727                allowed = false;
6728            } else if (level == PermissionInfo.PROTECTION_SIGNATURE) {
6729                allowed = grantSignaturePermission(perm, pkg, bp, origPermissions);
6730                if (allowed) {
6731                    allowedSig = true;
6732                }
6733            } else {
6734                allowed = false;
6735            }
6736            if (DEBUG_INSTALL) {
6737                if (gp != ps) {
6738                    Log.i(TAG, "Package " + pkg.packageName + " granting " + perm);
6739                }
6740            }
6741            if (allowed) {
6742                if (!isSystemApp(ps) && ps.permissionsFixed) {
6743                    // If this is an existing, non-system package, then
6744                    // we can't add any new permissions to it.
6745                    if (!allowedSig && !gp.grantedPermissions.contains(perm)) {
6746                        // Except...  if this is a permission that was added
6747                        // to the platform (note: need to only do this when
6748                        // updating the platform).
6749                        allowed = isNewPlatformPermissionForPackage(perm, pkg);
6750                    }
6751                }
6752                if (allowed) {
6753                    if (!gp.grantedPermissions.contains(perm)) {
6754                        changedPermission = true;
6755                        gp.grantedPermissions.add(perm);
6756                        gp.gids = appendInts(gp.gids, bp.gids);
6757                    } else if (!ps.haveGids) {
6758                        gp.gids = appendInts(gp.gids, bp.gids);
6759                    }
6760                } else {
6761                    Slog.w(TAG, "Not granting permission " + perm
6762                            + " to package " + pkg.packageName
6763                            + " because it was previously installed without");
6764                }
6765            } else {
6766                if (gp.grantedPermissions.remove(perm)) {
6767                    changedPermission = true;
6768                    gp.gids = removeInts(gp.gids, bp.gids);
6769                    Slog.i(TAG, "Un-granting permission " + perm
6770                            + " from package " + pkg.packageName
6771                            + " (protectionLevel=" + bp.protectionLevel
6772                            + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
6773                            + ")");
6774                } else {
6775                    Slog.w(TAG, "Not granting permission " + perm
6776                            + " to package " + pkg.packageName
6777                            + " (protectionLevel=" + bp.protectionLevel
6778                            + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
6779                            + ")");
6780                }
6781            }
6782        }
6783
6784        if ((changedPermission || replace) && !ps.permissionsFixed &&
6785                !isSystemApp(ps) || isUpdatedSystemApp(ps)){
6786            // This is the first that we have heard about this package, so the
6787            // permissions we have now selected are fixed until explicitly
6788            // changed.
6789            ps.permissionsFixed = true;
6790        }
6791        ps.haveGids = true;
6792    }
6793
6794    private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) {
6795        boolean allowed = false;
6796        final int NP = PackageParser.NEW_PERMISSIONS.length;
6797        for (int ip=0; ip<NP; ip++) {
6798            final PackageParser.NewPermissionInfo npi
6799                    = PackageParser.NEW_PERMISSIONS[ip];
6800            if (npi.name.equals(perm)
6801                    && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) {
6802                allowed = true;
6803                Log.i(TAG, "Auto-granting " + perm + " to old pkg "
6804                        + pkg.packageName);
6805                break;
6806            }
6807        }
6808        return allowed;
6809    }
6810
6811    private boolean grantSignaturePermission(String perm, PackageParser.Package pkg,
6812                                          BasePermission bp, HashSet<String> origPermissions) {
6813        boolean allowed;
6814        allowed = (compareSignatures(
6815                bp.packageSetting.signatures.mSignatures, pkg.mSignatures)
6816                        == PackageManager.SIGNATURE_MATCH)
6817                || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures)
6818                        == PackageManager.SIGNATURE_MATCH);
6819        if (!allowed && (bp.protectionLevel
6820                & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) {
6821            if (isSystemApp(pkg)) {
6822                // For updated system applications, a system permission
6823                // is granted only if it had been defined by the original application.
6824                if (isUpdatedSystemApp(pkg)) {
6825                    final PackageSetting sysPs = mSettings
6826                            .getDisabledSystemPkgLPr(pkg.packageName);
6827                    final GrantedPermissions origGp = sysPs.sharedUser != null
6828                            ? sysPs.sharedUser : sysPs;
6829
6830                    if (origGp.grantedPermissions.contains(perm)) {
6831                        // If the original was granted this permission, we take
6832                        // that grant decision as read and propagate it to the
6833                        // update.
6834                        allowed = true;
6835                    } else {
6836                        // The system apk may have been updated with an older
6837                        // version of the one on the data partition, but which
6838                        // granted a new system permission that it didn't have
6839                        // before.  In this case we do want to allow the app to
6840                        // now get the new permission if the ancestral apk is
6841                        // privileged to get it.
6842                        if (sysPs.pkg != null && sysPs.isPrivileged()) {
6843                            for (int j=0;
6844                                    j<sysPs.pkg.requestedPermissions.size(); j++) {
6845                                if (perm.equals(
6846                                        sysPs.pkg.requestedPermissions.get(j))) {
6847                                    allowed = true;
6848                                    break;
6849                                }
6850                            }
6851                        }
6852                    }
6853                } else {
6854                    allowed = isPrivilegedApp(pkg);
6855                }
6856            }
6857        }
6858        if (!allowed && (bp.protectionLevel
6859                & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) {
6860            // For development permissions, a development permission
6861            // is granted only if it was already granted.
6862            allowed = origPermissions.contains(perm);
6863        }
6864        return allowed;
6865    }
6866
6867    final class ActivityIntentResolver
6868            extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> {
6869        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
6870                boolean defaultOnly, int userId) {
6871            if (!sUserManager.exists(userId)) return null;
6872            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
6873            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
6874        }
6875
6876        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
6877                int userId) {
6878            if (!sUserManager.exists(userId)) return null;
6879            mFlags = flags;
6880            return super.queryIntent(intent, resolvedType,
6881                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
6882        }
6883
6884        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
6885                int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) {
6886            if (!sUserManager.exists(userId)) return null;
6887            if (packageActivities == null) {
6888                return null;
6889            }
6890            mFlags = flags;
6891            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
6892            final int N = packageActivities.size();
6893            ArrayList<PackageParser.ActivityIntentInfo[]> listCut =
6894                new ArrayList<PackageParser.ActivityIntentInfo[]>(N);
6895
6896            ArrayList<PackageParser.ActivityIntentInfo> intentFilters;
6897            for (int i = 0; i < N; ++i) {
6898                intentFilters = packageActivities.get(i).intents;
6899                if (intentFilters != null && intentFilters.size() > 0) {
6900                    PackageParser.ActivityIntentInfo[] array =
6901                            new PackageParser.ActivityIntentInfo[intentFilters.size()];
6902                    intentFilters.toArray(array);
6903                    listCut.add(array);
6904                }
6905            }
6906            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
6907        }
6908
6909        public final void addActivity(PackageParser.Activity a, String type) {
6910            final boolean systemApp = isSystemApp(a.info.applicationInfo);
6911            mActivities.put(a.getComponentName(), a);
6912            if (DEBUG_SHOW_INFO)
6913                Log.v(
6914                TAG, "  " + type + " " +
6915                (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":");
6916            if (DEBUG_SHOW_INFO)
6917                Log.v(TAG, "    Class=" + a.info.name);
6918            final int NI = a.intents.size();
6919            for (int j=0; j<NI; j++) {
6920                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
6921                if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) {
6922                    intent.setPriority(0);
6923                    Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity "
6924                            + a.className + " with priority > 0, forcing to 0");
6925                }
6926                if (DEBUG_SHOW_INFO) {
6927                    Log.v(TAG, "    IntentFilter:");
6928                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
6929                }
6930                if (!intent.debugCheck()) {
6931                    Log.w(TAG, "==> For Activity " + a.info.name);
6932                }
6933                addFilter(intent);
6934            }
6935        }
6936
6937        public final void removeActivity(PackageParser.Activity a, String type) {
6938            mActivities.remove(a.getComponentName());
6939            if (DEBUG_SHOW_INFO) {
6940                Log.v(TAG, "  " + type + " "
6941                        + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel
6942                                : a.info.name) + ":");
6943                Log.v(TAG, "    Class=" + a.info.name);
6944            }
6945            final int NI = a.intents.size();
6946            for (int j=0; j<NI; j++) {
6947                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
6948                if (DEBUG_SHOW_INFO) {
6949                    Log.v(TAG, "    IntentFilter:");
6950                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
6951                }
6952                removeFilter(intent);
6953            }
6954        }
6955
6956        @Override
6957        protected boolean allowFilterResult(
6958                PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) {
6959            ActivityInfo filterAi = filter.activity.info;
6960            for (int i=dest.size()-1; i>=0; i--) {
6961                ActivityInfo destAi = dest.get(i).activityInfo;
6962                if (destAi.name == filterAi.name
6963                        && destAi.packageName == filterAi.packageName) {
6964                    return false;
6965                }
6966            }
6967            return true;
6968        }
6969
6970        @Override
6971        protected ActivityIntentInfo[] newArray(int size) {
6972            return new ActivityIntentInfo[size];
6973        }
6974
6975        @Override
6976        protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) {
6977            if (!sUserManager.exists(userId)) return true;
6978            PackageParser.Package p = filter.activity.owner;
6979            if (p != null) {
6980                PackageSetting ps = (PackageSetting)p.mExtras;
6981                if (ps != null) {
6982                    // System apps are never considered stopped for purposes of
6983                    // filtering, because there may be no way for the user to
6984                    // actually re-launch them.
6985                    return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0
6986                            && ps.getStopped(userId);
6987                }
6988            }
6989            return false;
6990        }
6991
6992        @Override
6993        protected boolean isPackageForFilter(String packageName,
6994                PackageParser.ActivityIntentInfo info) {
6995            return packageName.equals(info.activity.owner.packageName);
6996        }
6997
6998        @Override
6999        protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info,
7000                int match, int userId) {
7001            if (!sUserManager.exists(userId)) return null;
7002            if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) {
7003                return null;
7004            }
7005            final PackageParser.Activity activity = info.activity;
7006            if (mSafeMode && (activity.info.applicationInfo.flags
7007                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
7008                return null;
7009            }
7010            PackageSetting ps = (PackageSetting) activity.owner.mExtras;
7011            if (ps == null) {
7012                return null;
7013            }
7014            ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags,
7015                    ps.readUserState(userId), userId);
7016            if (ai == null) {
7017                return null;
7018            }
7019            final ResolveInfo res = new ResolveInfo();
7020            res.activityInfo = ai;
7021            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
7022                res.filter = info;
7023            }
7024            res.priority = info.getPriority();
7025            res.preferredOrder = activity.owner.mPreferredOrder;
7026            //System.out.println("Result: " + res.activityInfo.className +
7027            //                   " = " + res.priority);
7028            res.match = match;
7029            res.isDefault = info.hasDefault;
7030            res.labelRes = info.labelRes;
7031            res.nonLocalizedLabel = info.nonLocalizedLabel;
7032            if (userNeedsBadging(userId)) {
7033                res.noResourceId = true;
7034            } else {
7035                res.icon = info.icon;
7036            }
7037            res.system = isSystemApp(res.activityInfo.applicationInfo);
7038            return res;
7039        }
7040
7041        @Override
7042        protected void sortResults(List<ResolveInfo> results) {
7043            Collections.sort(results, mResolvePrioritySorter);
7044        }
7045
7046        @Override
7047        protected void dumpFilter(PrintWriter out, String prefix,
7048                PackageParser.ActivityIntentInfo filter) {
7049            out.print(prefix); out.print(
7050                    Integer.toHexString(System.identityHashCode(filter.activity)));
7051                    out.print(' ');
7052                    filter.activity.printComponentShortName(out);
7053                    out.print(" filter ");
7054                    out.println(Integer.toHexString(System.identityHashCode(filter)));
7055        }
7056
7057//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
7058//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
7059//            final List<ResolveInfo> retList = Lists.newArrayList();
7060//            while (i.hasNext()) {
7061//                final ResolveInfo resolveInfo = i.next();
7062//                if (isEnabledLP(resolveInfo.activityInfo)) {
7063//                    retList.add(resolveInfo);
7064//                }
7065//            }
7066//            return retList;
7067//        }
7068
7069        // Keys are String (activity class name), values are Activity.
7070        private final HashMap<ComponentName, PackageParser.Activity> mActivities
7071                = new HashMap<ComponentName, PackageParser.Activity>();
7072        private int mFlags;
7073    }
7074
7075    private final class ServiceIntentResolver
7076            extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> {
7077        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
7078                boolean defaultOnly, int userId) {
7079            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
7080            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
7081        }
7082
7083        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
7084                int userId) {
7085            if (!sUserManager.exists(userId)) return null;
7086            mFlags = flags;
7087            return super.queryIntent(intent, resolvedType,
7088                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
7089        }
7090
7091        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
7092                int flags, ArrayList<PackageParser.Service> packageServices, int userId) {
7093            if (!sUserManager.exists(userId)) return null;
7094            if (packageServices == null) {
7095                return null;
7096            }
7097            mFlags = flags;
7098            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
7099            final int N = packageServices.size();
7100            ArrayList<PackageParser.ServiceIntentInfo[]> listCut =
7101                new ArrayList<PackageParser.ServiceIntentInfo[]>(N);
7102
7103            ArrayList<PackageParser.ServiceIntentInfo> intentFilters;
7104            for (int i = 0; i < N; ++i) {
7105                intentFilters = packageServices.get(i).intents;
7106                if (intentFilters != null && intentFilters.size() > 0) {
7107                    PackageParser.ServiceIntentInfo[] array =
7108                            new PackageParser.ServiceIntentInfo[intentFilters.size()];
7109                    intentFilters.toArray(array);
7110                    listCut.add(array);
7111                }
7112            }
7113            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
7114        }
7115
7116        public final void addService(PackageParser.Service s) {
7117            mServices.put(s.getComponentName(), s);
7118            if (DEBUG_SHOW_INFO) {
7119                Log.v(TAG, "  "
7120                        + (s.info.nonLocalizedLabel != null
7121                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
7122                Log.v(TAG, "    Class=" + s.info.name);
7123            }
7124            final int NI = s.intents.size();
7125            int j;
7126            for (j=0; j<NI; j++) {
7127                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
7128                if (DEBUG_SHOW_INFO) {
7129                    Log.v(TAG, "    IntentFilter:");
7130                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7131                }
7132                if (!intent.debugCheck()) {
7133                    Log.w(TAG, "==> For Service " + s.info.name);
7134                }
7135                addFilter(intent);
7136            }
7137        }
7138
7139        public final void removeService(PackageParser.Service s) {
7140            mServices.remove(s.getComponentName());
7141            if (DEBUG_SHOW_INFO) {
7142                Log.v(TAG, "  " + (s.info.nonLocalizedLabel != null
7143                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
7144                Log.v(TAG, "    Class=" + s.info.name);
7145            }
7146            final int NI = s.intents.size();
7147            int j;
7148            for (j=0; j<NI; j++) {
7149                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
7150                if (DEBUG_SHOW_INFO) {
7151                    Log.v(TAG, "    IntentFilter:");
7152                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7153                }
7154                removeFilter(intent);
7155            }
7156        }
7157
7158        @Override
7159        protected boolean allowFilterResult(
7160                PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) {
7161            ServiceInfo filterSi = filter.service.info;
7162            for (int i=dest.size()-1; i>=0; i--) {
7163                ServiceInfo destAi = dest.get(i).serviceInfo;
7164                if (destAi.name == filterSi.name
7165                        && destAi.packageName == filterSi.packageName) {
7166                    return false;
7167                }
7168            }
7169            return true;
7170        }
7171
7172        @Override
7173        protected PackageParser.ServiceIntentInfo[] newArray(int size) {
7174            return new PackageParser.ServiceIntentInfo[size];
7175        }
7176
7177        @Override
7178        protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) {
7179            if (!sUserManager.exists(userId)) return true;
7180            PackageParser.Package p = filter.service.owner;
7181            if (p != null) {
7182                PackageSetting ps = (PackageSetting)p.mExtras;
7183                if (ps != null) {
7184                    // System apps are never considered stopped for purposes of
7185                    // filtering, because there may be no way for the user to
7186                    // actually re-launch them.
7187                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
7188                            && ps.getStopped(userId);
7189                }
7190            }
7191            return false;
7192        }
7193
7194        @Override
7195        protected boolean isPackageForFilter(String packageName,
7196                PackageParser.ServiceIntentInfo info) {
7197            return packageName.equals(info.service.owner.packageName);
7198        }
7199
7200        @Override
7201        protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter,
7202                int match, int userId) {
7203            if (!sUserManager.exists(userId)) return null;
7204            final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter;
7205            if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) {
7206                return null;
7207            }
7208            final PackageParser.Service service = info.service;
7209            if (mSafeMode && (service.info.applicationInfo.flags
7210                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
7211                return null;
7212            }
7213            PackageSetting ps = (PackageSetting) service.owner.mExtras;
7214            if (ps == null) {
7215                return null;
7216            }
7217            ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags,
7218                    ps.readUserState(userId), userId);
7219            if (si == null) {
7220                return null;
7221            }
7222            final ResolveInfo res = new ResolveInfo();
7223            res.serviceInfo = si;
7224            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
7225                res.filter = filter;
7226            }
7227            res.priority = info.getPriority();
7228            res.preferredOrder = service.owner.mPreferredOrder;
7229            //System.out.println("Result: " + res.activityInfo.className +
7230            //                   " = " + res.priority);
7231            res.match = match;
7232            res.isDefault = info.hasDefault;
7233            res.labelRes = info.labelRes;
7234            res.nonLocalizedLabel = info.nonLocalizedLabel;
7235            res.icon = info.icon;
7236            res.system = isSystemApp(res.serviceInfo.applicationInfo);
7237            return res;
7238        }
7239
7240        @Override
7241        protected void sortResults(List<ResolveInfo> results) {
7242            Collections.sort(results, mResolvePrioritySorter);
7243        }
7244
7245        @Override
7246        protected void dumpFilter(PrintWriter out, String prefix,
7247                PackageParser.ServiceIntentInfo filter) {
7248            out.print(prefix); out.print(
7249                    Integer.toHexString(System.identityHashCode(filter.service)));
7250                    out.print(' ');
7251                    filter.service.printComponentShortName(out);
7252                    out.print(" filter ");
7253                    out.println(Integer.toHexString(System.identityHashCode(filter)));
7254        }
7255
7256//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
7257//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
7258//            final List<ResolveInfo> retList = Lists.newArrayList();
7259//            while (i.hasNext()) {
7260//                final ResolveInfo resolveInfo = (ResolveInfo) i;
7261//                if (isEnabledLP(resolveInfo.serviceInfo)) {
7262//                    retList.add(resolveInfo);
7263//                }
7264//            }
7265//            return retList;
7266//        }
7267
7268        // Keys are String (activity class name), values are Activity.
7269        private final HashMap<ComponentName, PackageParser.Service> mServices
7270                = new HashMap<ComponentName, PackageParser.Service>();
7271        private int mFlags;
7272    };
7273
7274    private final class ProviderIntentResolver
7275            extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> {
7276        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
7277                boolean defaultOnly, int userId) {
7278            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
7279            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
7280        }
7281
7282        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
7283                int userId) {
7284            if (!sUserManager.exists(userId))
7285                return null;
7286            mFlags = flags;
7287            return super.queryIntent(intent, resolvedType,
7288                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
7289        }
7290
7291        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
7292                int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) {
7293            if (!sUserManager.exists(userId))
7294                return null;
7295            if (packageProviders == null) {
7296                return null;
7297            }
7298            mFlags = flags;
7299            final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0;
7300            final int N = packageProviders.size();
7301            ArrayList<PackageParser.ProviderIntentInfo[]> listCut =
7302                    new ArrayList<PackageParser.ProviderIntentInfo[]>(N);
7303
7304            ArrayList<PackageParser.ProviderIntentInfo> intentFilters;
7305            for (int i = 0; i < N; ++i) {
7306                intentFilters = packageProviders.get(i).intents;
7307                if (intentFilters != null && intentFilters.size() > 0) {
7308                    PackageParser.ProviderIntentInfo[] array =
7309                            new PackageParser.ProviderIntentInfo[intentFilters.size()];
7310                    intentFilters.toArray(array);
7311                    listCut.add(array);
7312                }
7313            }
7314            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
7315        }
7316
7317        public final void addProvider(PackageParser.Provider p) {
7318            if (mProviders.containsKey(p.getComponentName())) {
7319                Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring");
7320                return;
7321            }
7322
7323            mProviders.put(p.getComponentName(), p);
7324            if (DEBUG_SHOW_INFO) {
7325                Log.v(TAG, "  "
7326                        + (p.info.nonLocalizedLabel != null
7327                                ? p.info.nonLocalizedLabel : p.info.name) + ":");
7328                Log.v(TAG, "    Class=" + p.info.name);
7329            }
7330            final int NI = p.intents.size();
7331            int j;
7332            for (j = 0; j < NI; j++) {
7333                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
7334                if (DEBUG_SHOW_INFO) {
7335                    Log.v(TAG, "    IntentFilter:");
7336                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7337                }
7338                if (!intent.debugCheck()) {
7339                    Log.w(TAG, "==> For Provider " + p.info.name);
7340                }
7341                addFilter(intent);
7342            }
7343        }
7344
7345        public final void removeProvider(PackageParser.Provider p) {
7346            mProviders.remove(p.getComponentName());
7347            if (DEBUG_SHOW_INFO) {
7348                Log.v(TAG, "  " + (p.info.nonLocalizedLabel != null
7349                        ? p.info.nonLocalizedLabel : p.info.name) + ":");
7350                Log.v(TAG, "    Class=" + p.info.name);
7351            }
7352            final int NI = p.intents.size();
7353            int j;
7354            for (j = 0; j < NI; j++) {
7355                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
7356                if (DEBUG_SHOW_INFO) {
7357                    Log.v(TAG, "    IntentFilter:");
7358                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7359                }
7360                removeFilter(intent);
7361            }
7362        }
7363
7364        @Override
7365        protected boolean allowFilterResult(
7366                PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) {
7367            ProviderInfo filterPi = filter.provider.info;
7368            for (int i = dest.size() - 1; i >= 0; i--) {
7369                ProviderInfo destPi = dest.get(i).providerInfo;
7370                if (destPi.name == filterPi.name
7371                        && destPi.packageName == filterPi.packageName) {
7372                    return false;
7373                }
7374            }
7375            return true;
7376        }
7377
7378        @Override
7379        protected PackageParser.ProviderIntentInfo[] newArray(int size) {
7380            return new PackageParser.ProviderIntentInfo[size];
7381        }
7382
7383        @Override
7384        protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) {
7385            if (!sUserManager.exists(userId))
7386                return true;
7387            PackageParser.Package p = filter.provider.owner;
7388            if (p != null) {
7389                PackageSetting ps = (PackageSetting) p.mExtras;
7390                if (ps != null) {
7391                    // System apps are never considered stopped for purposes of
7392                    // filtering, because there may be no way for the user to
7393                    // actually re-launch them.
7394                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
7395                            && ps.getStopped(userId);
7396                }
7397            }
7398            return false;
7399        }
7400
7401        @Override
7402        protected boolean isPackageForFilter(String packageName,
7403                PackageParser.ProviderIntentInfo info) {
7404            return packageName.equals(info.provider.owner.packageName);
7405        }
7406
7407        @Override
7408        protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter,
7409                int match, int userId) {
7410            if (!sUserManager.exists(userId))
7411                return null;
7412            final PackageParser.ProviderIntentInfo info = filter;
7413            if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) {
7414                return null;
7415            }
7416            final PackageParser.Provider provider = info.provider;
7417            if (mSafeMode && (provider.info.applicationInfo.flags
7418                    & ApplicationInfo.FLAG_SYSTEM) == 0) {
7419                return null;
7420            }
7421            PackageSetting ps = (PackageSetting) provider.owner.mExtras;
7422            if (ps == null) {
7423                return null;
7424            }
7425            ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags,
7426                    ps.readUserState(userId), userId);
7427            if (pi == null) {
7428                return null;
7429            }
7430            final ResolveInfo res = new ResolveInfo();
7431            res.providerInfo = pi;
7432            if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) {
7433                res.filter = filter;
7434            }
7435            res.priority = info.getPriority();
7436            res.preferredOrder = provider.owner.mPreferredOrder;
7437            res.match = match;
7438            res.isDefault = info.hasDefault;
7439            res.labelRes = info.labelRes;
7440            res.nonLocalizedLabel = info.nonLocalizedLabel;
7441            res.icon = info.icon;
7442            res.system = isSystemApp(res.providerInfo.applicationInfo);
7443            return res;
7444        }
7445
7446        @Override
7447        protected void sortResults(List<ResolveInfo> results) {
7448            Collections.sort(results, mResolvePrioritySorter);
7449        }
7450
7451        @Override
7452        protected void dumpFilter(PrintWriter out, String prefix,
7453                PackageParser.ProviderIntentInfo filter) {
7454            out.print(prefix);
7455            out.print(
7456                    Integer.toHexString(System.identityHashCode(filter.provider)));
7457            out.print(' ');
7458            filter.provider.printComponentShortName(out);
7459            out.print(" filter ");
7460            out.println(Integer.toHexString(System.identityHashCode(filter)));
7461        }
7462
7463        private final HashMap<ComponentName, PackageParser.Provider> mProviders
7464                = new HashMap<ComponentName, PackageParser.Provider>();
7465        private int mFlags;
7466    };
7467
7468    private static final Comparator<ResolveInfo> mResolvePrioritySorter =
7469            new Comparator<ResolveInfo>() {
7470        public int compare(ResolveInfo r1, ResolveInfo r2) {
7471            int v1 = r1.priority;
7472            int v2 = r2.priority;
7473            //System.out.println("Comparing: q1=" + q1 + " q2=" + q2);
7474            if (v1 != v2) {
7475                return (v1 > v2) ? -1 : 1;
7476            }
7477            v1 = r1.preferredOrder;
7478            v2 = r2.preferredOrder;
7479            if (v1 != v2) {
7480                return (v1 > v2) ? -1 : 1;
7481            }
7482            if (r1.isDefault != r2.isDefault) {
7483                return r1.isDefault ? -1 : 1;
7484            }
7485            v1 = r1.match;
7486            v2 = r2.match;
7487            //System.out.println("Comparing: m1=" + m1 + " m2=" + m2);
7488            if (v1 != v2) {
7489                return (v1 > v2) ? -1 : 1;
7490            }
7491            if (r1.system != r2.system) {
7492                return r1.system ? -1 : 1;
7493            }
7494            return 0;
7495        }
7496    };
7497
7498    private static final Comparator<ProviderInfo> mProviderInitOrderSorter =
7499            new Comparator<ProviderInfo>() {
7500        public int compare(ProviderInfo p1, ProviderInfo p2) {
7501            final int v1 = p1.initOrder;
7502            final int v2 = p2.initOrder;
7503            return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0);
7504        }
7505    };
7506
7507    static final void sendPackageBroadcast(String action, String pkg,
7508            Bundle extras, String targetPkg, IIntentReceiver finishedReceiver,
7509            int[] userIds) {
7510        IActivityManager am = ActivityManagerNative.getDefault();
7511        if (am != null) {
7512            try {
7513                if (userIds == null) {
7514                    userIds = am.getRunningUserIds();
7515                }
7516                for (int id : userIds) {
7517                    final Intent intent = new Intent(action,
7518                            pkg != null ? Uri.fromParts("package", pkg, null) : null);
7519                    if (extras != null) {
7520                        intent.putExtras(extras);
7521                    }
7522                    if (targetPkg != null) {
7523                        intent.setPackage(targetPkg);
7524                    }
7525                    // Modify the UID when posting to other users
7526                    int uid = intent.getIntExtra(Intent.EXTRA_UID, -1);
7527                    if (uid > 0 && UserHandle.getUserId(uid) != id) {
7528                        uid = UserHandle.getUid(id, UserHandle.getAppId(uid));
7529                        intent.putExtra(Intent.EXTRA_UID, uid);
7530                    }
7531                    intent.putExtra(Intent.EXTRA_USER_HANDLE, id);
7532                    intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
7533                    if (DEBUG_BROADCASTS) {
7534                        RuntimeException here = new RuntimeException("here");
7535                        here.fillInStackTrace();
7536                        Slog.d(TAG, "Sending to user " + id + ": "
7537                                + intent.toShortString(false, true, false, false)
7538                                + " " + intent.getExtras(), here);
7539                    }
7540                    am.broadcastIntent(null, intent, null, finishedReceiver,
7541                            0, null, null, null, android.app.AppOpsManager.OP_NONE,
7542                            finishedReceiver != null, false, id);
7543                }
7544            } catch (RemoteException ex) {
7545            }
7546        }
7547    }
7548
7549    /**
7550     * Check if the external storage media is available. This is true if there
7551     * is a mounted external storage medium or if the external storage is
7552     * emulated.
7553     */
7554    private boolean isExternalMediaAvailable() {
7555        return mMediaMounted || Environment.isExternalStorageEmulated();
7556    }
7557
7558    @Override
7559    public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) {
7560        // writer
7561        synchronized (mPackages) {
7562            if (!isExternalMediaAvailable()) {
7563                // If the external storage is no longer mounted at this point,
7564                // the caller may not have been able to delete all of this
7565                // packages files and can not delete any more.  Bail.
7566                return null;
7567            }
7568            final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned;
7569            if (lastPackage != null) {
7570                pkgs.remove(lastPackage);
7571            }
7572            if (pkgs.size() > 0) {
7573                return pkgs.get(0);
7574            }
7575        }
7576        return null;
7577    }
7578
7579    void schedulePackageCleaning(String packageName, int userId, boolean andCode) {
7580        if (false) {
7581            RuntimeException here = new RuntimeException("here");
7582            here.fillInStackTrace();
7583            Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId
7584                    + " andCode=" + andCode, here);
7585        }
7586        mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE,
7587                userId, andCode ? 1 : 0, packageName));
7588    }
7589
7590    void startCleaningPackages() {
7591        // reader
7592        synchronized (mPackages) {
7593            if (!isExternalMediaAvailable()) {
7594                return;
7595            }
7596            if (mSettings.mPackagesToBeCleaned.isEmpty()) {
7597                return;
7598            }
7599        }
7600        Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE);
7601        intent.setComponent(DEFAULT_CONTAINER_COMPONENT);
7602        IActivityManager am = ActivityManagerNative.getDefault();
7603        if (am != null) {
7604            try {
7605                am.startService(null, intent, null, UserHandle.USER_OWNER);
7606            } catch (RemoteException e) {
7607            }
7608        }
7609    }
7610
7611    private final class AppDirObserver extends FileObserver {
7612        public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) {
7613            super(path, mask);
7614            mRootDir = path;
7615            mIsRom = isrom;
7616            mIsPrivileged = isPrivileged;
7617        }
7618
7619        public void onEvent(int event, String path) {
7620            String removedPackage = null;
7621            int removedAppId = -1;
7622            int[] removedUsers = null;
7623            String addedPackage = null;
7624            int addedAppId = -1;
7625            int[] addedUsers = null;
7626
7627            // TODO post a message to the handler to obtain serial ordering
7628            synchronized (mInstallLock) {
7629                String fullPathStr = null;
7630                File fullPath = null;
7631                if (path != null) {
7632                    fullPath = new File(mRootDir, path);
7633                    fullPathStr = fullPath.getPath();
7634                }
7635
7636                if (DEBUG_APP_DIR_OBSERVER)
7637                    Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event));
7638
7639                if (!isApkFile(fullPath)) {
7640                    if (DEBUG_APP_DIR_OBSERVER)
7641                        Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr);
7642                    return;
7643                }
7644
7645                // Ignore packages that are being installed or
7646                // have just been installed.
7647                if (ignoreCodePath(fullPathStr)) {
7648                    return;
7649                }
7650                PackageParser.Package p = null;
7651                PackageSetting ps = null;
7652                // reader
7653                synchronized (mPackages) {
7654                    p = mAppDirs.get(fullPathStr);
7655                    if (p != null) {
7656                        ps = mSettings.mPackages.get(p.applicationInfo.packageName);
7657                        if (ps != null) {
7658                            removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
7659                        } else {
7660                            removedUsers = sUserManager.getUserIds();
7661                        }
7662                    }
7663                    addedUsers = sUserManager.getUserIds();
7664                }
7665                if ((event&REMOVE_EVENTS) != 0) {
7666                    if (ps != null) {
7667                        if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps);
7668                        removePackageLI(ps, true);
7669                        removedPackage = ps.name;
7670                        removedAppId = ps.appId;
7671                    }
7672                }
7673
7674                if ((event&ADD_EVENTS) != 0) {
7675                    if (p == null) {
7676                        if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath);
7677                        int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK;
7678                        if (mIsRom) {
7679                            flags |= PackageParser.PARSE_IS_SYSTEM
7680                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
7681                            if (mIsPrivileged) {
7682                                flags |= PackageParser.PARSE_IS_PRIVILEGED;
7683                            }
7684                        }
7685                        try {
7686                            p = scanPackageLI(fullPath, flags,
7687                                    SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME,
7688                                    System.currentTimeMillis(), UserHandle.ALL, null);
7689                        } catch (PackageManagerException e) {
7690                            Slog.w(TAG, "Failed to scan " + fullPath + ": " + e.getMessage());
7691                            p = null;
7692                        }
7693                        if (p != null) {
7694                            /*
7695                             * TODO this seems dangerous as the package may have
7696                             * changed since we last acquired the mPackages
7697                             * lock.
7698                             */
7699                            // writer
7700                            synchronized (mPackages) {
7701                                updatePermissionsLPw(p.packageName, p,
7702                                        p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0);
7703                            }
7704                            addedPackage = p.applicationInfo.packageName;
7705                            addedAppId = UserHandle.getAppId(p.applicationInfo.uid);
7706                        }
7707                    }
7708                }
7709
7710                // reader
7711                synchronized (mPackages) {
7712                    mSettings.writeLPr();
7713                }
7714            }
7715
7716            if (removedPackage != null) {
7717                Bundle extras = new Bundle(1);
7718                extras.putInt(Intent.EXTRA_UID, removedAppId);
7719                extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false);
7720                sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
7721                        extras, null, null, removedUsers);
7722            }
7723            if (addedPackage != null) {
7724                Bundle extras = new Bundle(1);
7725                extras.putInt(Intent.EXTRA_UID, addedAppId);
7726                sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage,
7727                        extras, null, null, addedUsers);
7728            }
7729        }
7730
7731        private final String mRootDir;
7732        private final boolean mIsRom;
7733        private final boolean mIsPrivileged;
7734    }
7735
7736    @Override
7737    public void installPackage(String originPath, IPackageInstallObserver2 observer, int flags,
7738            String installerPackageName, VerificationParams verificationParams,
7739            String packageAbiOverride) {
7740        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES,
7741                null);
7742
7743        final File originFile = new File(originPath);
7744        final int uid = Binder.getCallingUid();
7745        if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) {
7746            try {
7747                if (observer != null) {
7748                    observer.packageInstalled("", null, INSTALL_FAILED_USER_RESTRICTED, null);
7749                }
7750            } catch (RemoteException re) {
7751            }
7752            return;
7753        }
7754
7755        UserHandle user;
7756        if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) {
7757            user = UserHandle.ALL;
7758        } else {
7759            user = new UserHandle(UserHandle.getUserId(uid));
7760        }
7761
7762        final int filteredFlags;
7763        if (uid == Process.SHELL_UID || uid == 0) {
7764            if (DEBUG_INSTALL) {
7765                Slog.v(TAG, "Install from ADB");
7766            }
7767            filteredFlags = flags | PackageManager.INSTALL_FROM_ADB;
7768        } else {
7769            filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB;
7770        }
7771
7772        verificationParams.setInstallerUid(uid);
7773
7774        final Message msg = mHandler.obtainMessage(INIT_COPY);
7775        msg.obj = new InstallParams(originFile, false, observer, filteredFlags,
7776                installerPackageName, verificationParams, user, packageAbiOverride);
7777        mHandler.sendMessage(msg);
7778    }
7779
7780    void installStage(String packageName, File stageDir, IPackageInstallObserver2 observer,
7781            InstallSessionParams params, String installerPackageName, int installerUid,
7782            UserHandle user) {
7783        final VerificationParams verifParams = new VerificationParams(null, params.originatingUri,
7784                params.referrerUri, installerUid, null);
7785
7786        final Message msg = mHandler.obtainMessage(INIT_COPY);
7787        msg.obj = new InstallParams(stageDir, true, observer, params.installFlags,
7788                installerPackageName, verifParams, user, params.abiOverride);
7789        mHandler.sendMessage(msg);
7790    }
7791
7792    private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) {
7793        Bundle extras = new Bundle(1);
7794        extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId));
7795
7796        sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
7797                packageName, extras, null, null, new int[] {userId});
7798        try {
7799            IActivityManager am = ActivityManagerNative.getDefault();
7800            final boolean isSystem =
7801                    isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting);
7802            if (isSystem && am.isUserRunning(userId, false)) {
7803                // The just-installed/enabled app is bundled on the system, so presumed
7804                // to be able to run automatically without needing an explicit launch.
7805                // Send it a BOOT_COMPLETED if it would ordinarily have gotten one.
7806                Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED)
7807                        .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
7808                        .setPackage(packageName);
7809                am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null,
7810                        android.app.AppOpsManager.OP_NONE, false, false, userId);
7811            }
7812        } catch (RemoteException e) {
7813            // shouldn't happen
7814            Slog.w(TAG, "Unable to bootstrap installed package", e);
7815        }
7816    }
7817
7818    @Override
7819    public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
7820            int userId) {
7821        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
7822        PackageSetting pkgSetting;
7823        final int uid = Binder.getCallingUid();
7824        if (UserHandle.getUserId(uid) != userId) {
7825            mContext.enforceCallingOrSelfPermission(
7826                    android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
7827                    "setApplicationBlockedSetting for user " + userId);
7828        }
7829
7830        if (blocked && isPackageDeviceAdmin(packageName, userId)) {
7831            Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin");
7832            return false;
7833        }
7834
7835        long callingId = Binder.clearCallingIdentity();
7836        try {
7837            boolean sendAdded = false;
7838            boolean sendRemoved = false;
7839            // writer
7840            synchronized (mPackages) {
7841                pkgSetting = mSettings.mPackages.get(packageName);
7842                if (pkgSetting == null) {
7843                    return false;
7844                }
7845                if (pkgSetting.getBlocked(userId) != blocked) {
7846                    pkgSetting.setBlocked(blocked, userId);
7847                    mSettings.writePackageRestrictionsLPr(userId);
7848                    if (blocked) {
7849                        sendRemoved = true;
7850                    } else {
7851                        sendAdded = true;
7852                    }
7853                }
7854            }
7855            if (sendAdded) {
7856                sendPackageAddedForUser(packageName, pkgSetting, userId);
7857                return true;
7858            }
7859            if (sendRemoved) {
7860                killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId),
7861                        "blocking pkg");
7862                sendPackageBlockedForUser(packageName, pkgSetting, userId);
7863            }
7864        } finally {
7865            Binder.restoreCallingIdentity(callingId);
7866        }
7867        return false;
7868    }
7869
7870    private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting,
7871            int userId) {
7872        final PackageRemovedInfo info = new PackageRemovedInfo();
7873        info.removedPackage = packageName;
7874        info.removedUsers = new int[] {userId};
7875        info.uid = UserHandle.getUid(userId, pkgSetting.appId);
7876        info.sendBroadcast(false, false, false);
7877    }
7878
7879    /**
7880     * Returns true if application is not found or there was an error. Otherwise it returns
7881     * the blocked state of the package for the given user.
7882     */
7883    @Override
7884    public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) {
7885        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
7886        enforceCrossUserPermission(Binder.getCallingUid(), userId, true,
7887                "getApplicationBlocked for user " + userId);
7888        PackageSetting pkgSetting;
7889        long callingId = Binder.clearCallingIdentity();
7890        try {
7891            // writer
7892            synchronized (mPackages) {
7893                pkgSetting = mSettings.mPackages.get(packageName);
7894                if (pkgSetting == null) {
7895                    return true;
7896                }
7897                return pkgSetting.getBlocked(userId);
7898            }
7899        } finally {
7900            Binder.restoreCallingIdentity(callingId);
7901        }
7902    }
7903
7904    /**
7905     * @hide
7906     */
7907    @Override
7908    public int installExistingPackageAsUser(String packageName, int userId) {
7909        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES,
7910                null);
7911        PackageSetting pkgSetting;
7912        final int uid = Binder.getCallingUid();
7913        enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId);
7914        if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) {
7915            return PackageManager.INSTALL_FAILED_USER_RESTRICTED;
7916        }
7917
7918        long callingId = Binder.clearCallingIdentity();
7919        try {
7920            boolean sendAdded = false;
7921            Bundle extras = new Bundle(1);
7922
7923            // writer
7924            synchronized (mPackages) {
7925                pkgSetting = mSettings.mPackages.get(packageName);
7926                if (pkgSetting == null) {
7927                    return PackageManager.INSTALL_FAILED_INVALID_URI;
7928                }
7929                if (!pkgSetting.getInstalled(userId)) {
7930                    pkgSetting.setInstalled(true, userId);
7931                    pkgSetting.setBlocked(false, userId);
7932                    mSettings.writePackageRestrictionsLPr(userId);
7933                    sendAdded = true;
7934                }
7935            }
7936
7937            if (sendAdded) {
7938                sendPackageAddedForUser(packageName, pkgSetting, userId);
7939            }
7940        } finally {
7941            Binder.restoreCallingIdentity(callingId);
7942        }
7943
7944        return PackageManager.INSTALL_SUCCEEDED;
7945    }
7946
7947    boolean isUserRestricted(int userId, String restrictionKey) {
7948        Bundle restrictions = sUserManager.getUserRestrictions(userId);
7949        if (restrictions.getBoolean(restrictionKey, false)) {
7950            Log.w(TAG, "User is restricted: " + restrictionKey);
7951            return true;
7952        }
7953        return false;
7954    }
7955
7956    @Override
7957    public void verifyPendingInstall(int id, int verificationCode) throws RemoteException {
7958        mContext.enforceCallingOrSelfPermission(
7959                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
7960                "Only package verification agents can verify applications");
7961
7962        final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
7963        final PackageVerificationResponse response = new PackageVerificationResponse(
7964                verificationCode, Binder.getCallingUid());
7965        msg.arg1 = id;
7966        msg.obj = response;
7967        mHandler.sendMessage(msg);
7968    }
7969
7970    @Override
7971    public void extendVerificationTimeout(int id, int verificationCodeAtTimeout,
7972            long millisecondsToDelay) {
7973        mContext.enforceCallingOrSelfPermission(
7974                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
7975                "Only package verification agents can extend verification timeouts");
7976
7977        final PackageVerificationState state = mPendingVerification.get(id);
7978        final PackageVerificationResponse response = new PackageVerificationResponse(
7979                verificationCodeAtTimeout, Binder.getCallingUid());
7980
7981        if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) {
7982            millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT;
7983        }
7984        if (millisecondsToDelay < 0) {
7985            millisecondsToDelay = 0;
7986        }
7987        if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW)
7988                && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) {
7989            verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT;
7990        }
7991
7992        if ((state != null) && !state.timeoutExtended()) {
7993            state.extendTimeout();
7994
7995            final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
7996            msg.arg1 = id;
7997            msg.obj = response;
7998            mHandler.sendMessageDelayed(msg, millisecondsToDelay);
7999        }
8000    }
8001
8002    private void broadcastPackageVerified(int verificationId, Uri packageUri,
8003            int verificationCode, UserHandle user) {
8004        final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED);
8005        intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE);
8006        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
8007        intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
8008        intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode);
8009
8010        mContext.sendBroadcastAsUser(intent, user,
8011                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT);
8012    }
8013
8014    private ComponentName matchComponentForVerifier(String packageName,
8015            List<ResolveInfo> receivers) {
8016        ActivityInfo targetReceiver = null;
8017
8018        final int NR = receivers.size();
8019        for (int i = 0; i < NR; i++) {
8020            final ResolveInfo info = receivers.get(i);
8021            if (info.activityInfo == null) {
8022                continue;
8023            }
8024
8025            if (packageName.equals(info.activityInfo.packageName)) {
8026                targetReceiver = info.activityInfo;
8027                break;
8028            }
8029        }
8030
8031        if (targetReceiver == null) {
8032            return null;
8033        }
8034
8035        return new ComponentName(targetReceiver.packageName, targetReceiver.name);
8036    }
8037
8038    private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo,
8039            List<ResolveInfo> receivers, final PackageVerificationState verificationState) {
8040        if (pkgInfo.verifiers.length == 0) {
8041            return null;
8042        }
8043
8044        final int N = pkgInfo.verifiers.length;
8045        final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1);
8046        for (int i = 0; i < N; i++) {
8047            final VerifierInfo verifierInfo = pkgInfo.verifiers[i];
8048
8049            final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName,
8050                    receivers);
8051            if (comp == null) {
8052                continue;
8053            }
8054
8055            final int verifierUid = getUidForVerifier(verifierInfo);
8056            if (verifierUid == -1) {
8057                continue;
8058            }
8059
8060            if (DEBUG_VERIFY) {
8061                Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName
8062                        + " with the correct signature");
8063            }
8064            sufficientVerifiers.add(comp);
8065            verificationState.addSufficientVerifier(verifierUid);
8066        }
8067
8068        return sufficientVerifiers;
8069    }
8070
8071    private int getUidForVerifier(VerifierInfo verifierInfo) {
8072        synchronized (mPackages) {
8073            final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName);
8074            if (pkg == null) {
8075                return -1;
8076            } else if (pkg.mSignatures.length != 1) {
8077                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
8078                        + " has more than one signature; ignoring");
8079                return -1;
8080            }
8081
8082            /*
8083             * If the public key of the package's signature does not match
8084             * our expected public key, then this is a different package and
8085             * we should skip.
8086             */
8087
8088            final byte[] expectedPublicKey;
8089            try {
8090                final Signature verifierSig = pkg.mSignatures[0];
8091                final PublicKey publicKey = verifierSig.getPublicKey();
8092                expectedPublicKey = publicKey.getEncoded();
8093            } catch (CertificateException e) {
8094                return -1;
8095            }
8096
8097            final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded();
8098
8099            if (!Arrays.equals(actualPublicKey, expectedPublicKey)) {
8100                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
8101                        + " does not have the expected public key; ignoring");
8102                return -1;
8103            }
8104
8105            return pkg.applicationInfo.uid;
8106        }
8107    }
8108
8109    @Override
8110    public void finishPackageInstall(int token) {
8111        enforceSystemOrRoot("Only the system is allowed to finish installs");
8112
8113        if (DEBUG_INSTALL) {
8114            Slog.v(TAG, "BM finishing package install for " + token);
8115        }
8116
8117        final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
8118        mHandler.sendMessage(msg);
8119    }
8120
8121    /**
8122     * Get the verification agent timeout.
8123     *
8124     * @return verification timeout in milliseconds
8125     */
8126    private long getVerificationTimeout() {
8127        return android.provider.Settings.Global.getLong(mContext.getContentResolver(),
8128                android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT,
8129                DEFAULT_VERIFICATION_TIMEOUT);
8130    }
8131
8132    /**
8133     * Get the default verification agent response code.
8134     *
8135     * @return default verification response code
8136     */
8137    private int getDefaultVerificationResponse() {
8138        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8139                android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE,
8140                DEFAULT_VERIFICATION_RESPONSE);
8141    }
8142
8143    /**
8144     * Check whether or not package verification has been enabled.
8145     *
8146     * @return true if verification should be performed
8147     */
8148    private boolean isVerificationEnabled(int userId, int flags) {
8149        if (!DEFAULT_VERIFY_ENABLE) {
8150            return false;
8151        }
8152
8153        boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS);
8154
8155        // Check if installing from ADB
8156        if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) {
8157            // Do not run verification in a test harness environment
8158            if (ActivityManager.isRunningInTestHarness()) {
8159                return false;
8160            }
8161            if (ensureVerifyAppsEnabled) {
8162                return true;
8163            }
8164            // Check if the developer does not want package verification for ADB installs
8165            if (android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8166                    android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) {
8167                return false;
8168            }
8169        }
8170
8171        if (ensureVerifyAppsEnabled) {
8172            return true;
8173        }
8174
8175        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8176                android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1;
8177    }
8178
8179    /**
8180     * Get the "allow unknown sources" setting.
8181     *
8182     * @return the current "allow unknown sources" setting
8183     */
8184    private int getUnknownSourcesSettings() {
8185        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8186                android.provider.Settings.Global.INSTALL_NON_MARKET_APPS,
8187                -1);
8188    }
8189
8190    @Override
8191    public void setInstallerPackageName(String targetPackage, String installerPackageName) {
8192        final int uid = Binder.getCallingUid();
8193        // writer
8194        synchronized (mPackages) {
8195            PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage);
8196            if (targetPackageSetting == null) {
8197                throw new IllegalArgumentException("Unknown target package: " + targetPackage);
8198            }
8199
8200            PackageSetting installerPackageSetting;
8201            if (installerPackageName != null) {
8202                installerPackageSetting = mSettings.mPackages.get(installerPackageName);
8203                if (installerPackageSetting == null) {
8204                    throw new IllegalArgumentException("Unknown installer package: "
8205                            + installerPackageName);
8206                }
8207            } else {
8208                installerPackageSetting = null;
8209            }
8210
8211            Signature[] callerSignature;
8212            Object obj = mSettings.getUserIdLPr(uid);
8213            if (obj != null) {
8214                if (obj instanceof SharedUserSetting) {
8215                    callerSignature = ((SharedUserSetting)obj).signatures.mSignatures;
8216                } else if (obj instanceof PackageSetting) {
8217                    callerSignature = ((PackageSetting)obj).signatures.mSignatures;
8218                } else {
8219                    throw new SecurityException("Bad object " + obj + " for uid " + uid);
8220                }
8221            } else {
8222                throw new SecurityException("Unknown calling uid " + uid);
8223            }
8224
8225            // Verify: can't set installerPackageName to a package that is
8226            // not signed with the same cert as the caller.
8227            if (installerPackageSetting != null) {
8228                if (compareSignatures(callerSignature,
8229                        installerPackageSetting.signatures.mSignatures)
8230                        != PackageManager.SIGNATURE_MATCH) {
8231                    throw new SecurityException(
8232                            "Caller does not have same cert as new installer package "
8233                            + installerPackageName);
8234                }
8235            }
8236
8237            // Verify: if target already has an installer package, it must
8238            // be signed with the same cert as the caller.
8239            if (targetPackageSetting.installerPackageName != null) {
8240                PackageSetting setting = mSettings.mPackages.get(
8241                        targetPackageSetting.installerPackageName);
8242                // If the currently set package isn't valid, then it's always
8243                // okay to change it.
8244                if (setting != null) {
8245                    if (compareSignatures(callerSignature,
8246                            setting.signatures.mSignatures)
8247                            != PackageManager.SIGNATURE_MATCH) {
8248                        throw new SecurityException(
8249                                "Caller does not have same cert as old installer package "
8250                                + targetPackageSetting.installerPackageName);
8251                    }
8252                }
8253            }
8254
8255            // Okay!
8256            targetPackageSetting.installerPackageName = installerPackageName;
8257            scheduleWriteSettingsLocked();
8258        }
8259    }
8260
8261    private void processPendingInstall(final InstallArgs args, final int currentStatus) {
8262        // Queue up an async operation since the package installation may take a little while.
8263        mHandler.post(new Runnable() {
8264            public void run() {
8265                mHandler.removeCallbacks(this);
8266                 // Result object to be returned
8267                PackageInstalledInfo res = new PackageInstalledInfo();
8268                res.returnCode = currentStatus;
8269                res.uid = -1;
8270                res.pkg = null;
8271                res.removedInfo = new PackageRemovedInfo();
8272                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
8273                    args.doPreInstall(res.returnCode);
8274                    synchronized (mInstallLock) {
8275                        installPackageLI(args, true, res);
8276                    }
8277                    args.doPostInstall(res.returnCode, res.uid);
8278                }
8279
8280                // A restore should be performed at this point if (a) the install
8281                // succeeded, (b) the operation is not an update, and (c) the new
8282                // package has a backupAgent defined.
8283                final boolean update = res.removedInfo.removedPackage != null;
8284                boolean doRestore = (!update
8285                        && res.pkg != null
8286                        && res.pkg.applicationInfo.backupAgentName != null);
8287
8288                // Set up the post-install work request bookkeeping.  This will be used
8289                // and cleaned up by the post-install event handling regardless of whether
8290                // there's a restore pass performed.  Token values are >= 1.
8291                int token;
8292                if (mNextInstallToken < 0) mNextInstallToken = 1;
8293                token = mNextInstallToken++;
8294
8295                PostInstallData data = new PostInstallData(args, res);
8296                mRunningInstalls.put(token, data);
8297                if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token);
8298
8299                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) {
8300                    // Pass responsibility to the Backup Manager.  It will perform a
8301                    // restore if appropriate, then pass responsibility back to the
8302                    // Package Manager to run the post-install observer callbacks
8303                    // and broadcasts.
8304                    IBackupManager bm = IBackupManager.Stub.asInterface(
8305                            ServiceManager.getService(Context.BACKUP_SERVICE));
8306                    if (bm != null) {
8307                        if (DEBUG_INSTALL) Log.v(TAG, "token " + token
8308                                + " to BM for possible restore");
8309                        try {
8310                            bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token);
8311                        } catch (RemoteException e) {
8312                            // can't happen; the backup manager is local
8313                        } catch (Exception e) {
8314                            Slog.e(TAG, "Exception trying to enqueue restore", e);
8315                            doRestore = false;
8316                        }
8317                    } else {
8318                        Slog.e(TAG, "Backup Manager not found!");
8319                        doRestore = false;
8320                    }
8321                }
8322
8323                if (!doRestore) {
8324                    // No restore possible, or the Backup Manager was mysteriously not
8325                    // available -- just fire the post-install work request directly.
8326                    if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token);
8327                    Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
8328                    mHandler.sendMessage(msg);
8329                }
8330            }
8331        });
8332    }
8333
8334    private abstract class HandlerParams {
8335        private static final int MAX_RETRIES = 4;
8336
8337        /**
8338         * Number of times startCopy() has been attempted and had a non-fatal
8339         * error.
8340         */
8341        private int mRetries = 0;
8342
8343        /** User handle for the user requesting the information or installation. */
8344        private final UserHandle mUser;
8345
8346        HandlerParams(UserHandle user) {
8347            mUser = user;
8348        }
8349
8350        UserHandle getUser() {
8351            return mUser;
8352        }
8353
8354        final boolean startCopy() {
8355            boolean res;
8356            try {
8357                if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this);
8358
8359                if (++mRetries > MAX_RETRIES) {
8360                    Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up");
8361                    mHandler.sendEmptyMessage(MCS_GIVE_UP);
8362                    handleServiceError();
8363                    return false;
8364                } else {
8365                    handleStartCopy();
8366                    res = true;
8367                }
8368            } catch (RemoteException e) {
8369                if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT");
8370                mHandler.sendEmptyMessage(MCS_RECONNECT);
8371                res = false;
8372            }
8373            handleReturnCode();
8374            return res;
8375        }
8376
8377        final void serviceError() {
8378            if (DEBUG_INSTALL) Slog.i(TAG, "serviceError");
8379            handleServiceError();
8380            handleReturnCode();
8381        }
8382
8383        abstract void handleStartCopy() throws RemoteException;
8384        abstract void handleServiceError();
8385        abstract void handleReturnCode();
8386    }
8387
8388    class MeasureParams extends HandlerParams {
8389        private final PackageStats mStats;
8390        private boolean mSuccess;
8391
8392        private final IPackageStatsObserver mObserver;
8393
8394        public MeasureParams(PackageStats stats, IPackageStatsObserver observer) {
8395            super(new UserHandle(stats.userHandle));
8396            mObserver = observer;
8397            mStats = stats;
8398        }
8399
8400        @Override
8401        public String toString() {
8402            return "MeasureParams{"
8403                + Integer.toHexString(System.identityHashCode(this))
8404                + " " + mStats.packageName + "}";
8405        }
8406
8407        @Override
8408        void handleStartCopy() throws RemoteException {
8409            synchronized (mInstallLock) {
8410                mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats);
8411            }
8412
8413            if (mSuccess) {
8414                final boolean mounted;
8415                if (Environment.isExternalStorageEmulated()) {
8416                    mounted = true;
8417                } else {
8418                    final String status = Environment.getExternalStorageState();
8419                    mounted = (Environment.MEDIA_MOUNTED.equals(status)
8420                            || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status));
8421                }
8422
8423                if (mounted) {
8424                    final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle);
8425
8426                    mStats.externalCacheSize = calculateDirectorySize(mContainerService,
8427                            userEnv.buildExternalStorageAppCacheDirs(mStats.packageName));
8428
8429                    mStats.externalDataSize = calculateDirectorySize(mContainerService,
8430                            userEnv.buildExternalStorageAppDataDirs(mStats.packageName));
8431
8432                    // Always subtract cache size, since it's a subdirectory
8433                    mStats.externalDataSize -= mStats.externalCacheSize;
8434
8435                    mStats.externalMediaSize = calculateDirectorySize(mContainerService,
8436                            userEnv.buildExternalStorageAppMediaDirs(mStats.packageName));
8437
8438                    mStats.externalObbSize = calculateDirectorySize(mContainerService,
8439                            userEnv.buildExternalStorageAppObbDirs(mStats.packageName));
8440                }
8441            }
8442        }
8443
8444        @Override
8445        void handleReturnCode() {
8446            if (mObserver != null) {
8447                try {
8448                    mObserver.onGetStatsCompleted(mStats, mSuccess);
8449                } catch (RemoteException e) {
8450                    Slog.i(TAG, "Observer no longer exists.");
8451                }
8452            }
8453        }
8454
8455        @Override
8456        void handleServiceError() {
8457            Slog.e(TAG, "Could not measure application " + mStats.packageName
8458                            + " external storage");
8459        }
8460    }
8461
8462    private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths)
8463            throws RemoteException {
8464        long result = 0;
8465        for (File path : paths) {
8466            result += mcs.calculateDirectorySize(path.getAbsolutePath());
8467        }
8468        return result;
8469    }
8470
8471    private static void clearDirectory(IMediaContainerService mcs, File[] paths) {
8472        for (File path : paths) {
8473            try {
8474                mcs.clearDirectory(path.getAbsolutePath());
8475            } catch (RemoteException e) {
8476            }
8477        }
8478    }
8479
8480    class InstallParams extends HandlerParams {
8481        /**
8482         * Location where install is coming from, before it has been
8483         * copied/renamed into place. This could be a single monolithic APK
8484         * file, or a cluster directory. This location may be untrusted.
8485         */
8486        final File originFile;
8487
8488        /**
8489         * Flag indicating that {@link #originFile} has already been staged,
8490         * meaning downstream users don't need to defensively copy the contents.
8491         */
8492        boolean originStaged;
8493
8494        final IPackageInstallObserver2 observer;
8495        int flags;
8496        final String installerPackageName;
8497        final VerificationParams verificationParams;
8498        private InstallArgs mArgs;
8499        private int mRet;
8500        final String packageAbiOverride;
8501        boolean multiArch;
8502
8503        InstallParams(File originFile, boolean originStaged, IPackageInstallObserver2 observer,
8504                int flags, String installerPackageName, VerificationParams verificationParams,
8505                UserHandle user, String packageAbiOverride) {
8506            super(user);
8507            this.originFile = Preconditions.checkNotNull(originFile);
8508            this.originStaged = originStaged;
8509            this.observer = observer;
8510            this.flags = flags;
8511            this.installerPackageName = installerPackageName;
8512            this.verificationParams = verificationParams;
8513            this.packageAbiOverride = packageAbiOverride;
8514        }
8515
8516        @Override
8517        public String toString() {
8518            return "InstallParams{"
8519                + Integer.toHexString(System.identityHashCode(this))
8520                + " " + originFile + "}";
8521        }
8522
8523        public ManifestDigest getManifestDigest() {
8524            if (verificationParams == null) {
8525                return null;
8526            }
8527            return verificationParams.getManifestDigest();
8528        }
8529
8530        private int installLocationPolicy(PackageInfoLite pkgLite, int flags) {
8531            String packageName = pkgLite.packageName;
8532            int installLocation = pkgLite.installLocation;
8533            boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0;
8534            // reader
8535            synchronized (mPackages) {
8536                PackageParser.Package pkg = mPackages.get(packageName);
8537                if (pkg != null) {
8538                    if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
8539                        // Check for downgrading.
8540                        if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) {
8541                            if (pkgLite.versionCode < pkg.mVersionCode) {
8542                                Slog.w(TAG, "Can't install update of " + packageName
8543                                        + " update version " + pkgLite.versionCode
8544                                        + " is older than installed version "
8545                                        + pkg.mVersionCode);
8546                                return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE;
8547                            }
8548                        }
8549                        // Check for updated system application.
8550                        if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
8551                            if (onSd) {
8552                                Slog.w(TAG, "Cannot install update to system app on sdcard");
8553                                return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION;
8554                            }
8555                            return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
8556                        } else {
8557                            if (onSd) {
8558                                // Install flag overrides everything.
8559                                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
8560                            }
8561                            // If current upgrade specifies particular preference
8562                            if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) {
8563                                // Application explicitly specified internal.
8564                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
8565                            } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) {
8566                                // App explictly prefers external. Let policy decide
8567                            } else {
8568                                // Prefer previous location
8569                                if (isExternal(pkg)) {
8570                                    return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
8571                                }
8572                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
8573                            }
8574                        }
8575                    } else {
8576                        // Invalid install. Return error code
8577                        return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS;
8578                    }
8579                }
8580            }
8581            // All the special cases have been taken care of.
8582            // Return result based on recommended install location.
8583            if (onSd) {
8584                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
8585            }
8586            return pkgLite.recommendedInstallLocation;
8587        }
8588
8589        private long getMemoryLowThreshold() {
8590            final DeviceStorageMonitorInternal
8591                    dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
8592            if (dsm == null) {
8593                return 0L;
8594            }
8595            return dsm.getMemoryLowThreshold();
8596        }
8597
8598        /*
8599         * Invoke remote method to get package information and install
8600         * location values. Override install location based on default
8601         * policy if needed and then create install arguments based
8602         * on the install location.
8603         */
8604        public void handleStartCopy() throws RemoteException {
8605            int ret = PackageManager.INSTALL_SUCCEEDED;
8606            final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0;
8607            final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0;
8608            PackageInfoLite pkgLite = null;
8609
8610            if (onInt && onSd) {
8611                // Check if both bits are set.
8612                Slog.w(TAG, "Conflicting flags specified for installing on both internal and external");
8613                ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
8614            } else {
8615                final long lowThreshold = getMemoryLowThreshold();
8616                if (lowThreshold == 0L) {
8617                    Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed");
8618                }
8619
8620                // Remote call to find out default install location
8621                final String originPath = originFile.getAbsolutePath();
8622                pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags, lowThreshold,
8623                        packageAbiOverride);
8624                // Keep track of whether this package is a multiArch package until
8625                // we perform a full scan of it. We need to do this because we might
8626                // end up extracting the package shared libraries before we perform
8627                // a full scan.
8628                multiArch = pkgLite.multiArch;
8629
8630                /*
8631                 * If we have too little free space, try to free cache
8632                 * before giving up.
8633                 */
8634                if (pkgLite.recommendedInstallLocation
8635                        == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
8636                    final long size = mContainerService.calculateInstalledSize(
8637                            originPath, isForwardLocked(), packageAbiOverride);
8638                    if (mInstaller.freeCache(size + lowThreshold) >= 0) {
8639                        pkgLite = mContainerService.getMinimalPackageInfo(originPath, flags,
8640                                lowThreshold, packageAbiOverride);
8641                    }
8642                    /*
8643                     * The cache free must have deleted the file we
8644                     * downloaded to install.
8645                     *
8646                     * TODO: fix the "freeCache" call to not delete
8647                     *       the file we care about.
8648                     */
8649                    if (pkgLite.recommendedInstallLocation
8650                            == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
8651                        pkgLite.recommendedInstallLocation
8652                            = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE;
8653                    }
8654                }
8655            }
8656
8657            if (ret == PackageManager.INSTALL_SUCCEEDED) {
8658                int loc = pkgLite.recommendedInstallLocation;
8659                if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) {
8660                    ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
8661                } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) {
8662                    ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
8663                } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
8664                    ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
8665                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) {
8666                    ret = PackageManager.INSTALL_FAILED_INVALID_APK;
8667                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
8668                    ret = PackageManager.INSTALL_FAILED_INVALID_URI;
8669                } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) {
8670                    ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE;
8671                } else {
8672                    // Override with defaults if needed.
8673                    loc = installLocationPolicy(pkgLite, flags);
8674                    if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) {
8675                        ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE;
8676                    } else if (!onSd && !onInt) {
8677                        // Override install location with flags
8678                        if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) {
8679                            // Set the flag to install on external media.
8680                            flags |= PackageManager.INSTALL_EXTERNAL;
8681                            flags &= ~PackageManager.INSTALL_INTERNAL;
8682                        } else {
8683                            // Make sure the flag for installing on external
8684                            // media is unset
8685                            flags |= PackageManager.INSTALL_INTERNAL;
8686                            flags &= ~PackageManager.INSTALL_EXTERNAL;
8687                        }
8688                    }
8689                }
8690            }
8691
8692            final InstallArgs args = createInstallArgs(this);
8693            mArgs = args;
8694
8695            if (ret == PackageManager.INSTALL_SUCCEEDED) {
8696                 /*
8697                 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by
8698                 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER.
8699                 */
8700                int userIdentifier = getUser().getIdentifier();
8701                if (userIdentifier == UserHandle.USER_ALL
8702                        && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) {
8703                    userIdentifier = UserHandle.USER_OWNER;
8704                }
8705
8706                /*
8707                 * Determine if we have any installed package verifiers. If we
8708                 * do, then we'll defer to them to verify the packages.
8709                 */
8710                final int requiredUid = mRequiredVerifierPackage == null ? -1
8711                        : getPackageUid(mRequiredVerifierPackage, userIdentifier);
8712                if (requiredUid != -1 && isVerificationEnabled(userIdentifier, flags)) {
8713                    // TODO: send verifier the install session instead of uri
8714                    final Intent verification = new Intent(
8715                            Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
8716                    verification.setDataAndType(Uri.fromFile(originFile), PACKAGE_MIME_TYPE);
8717                    verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
8718
8719                    final List<ResolveInfo> receivers = queryIntentReceivers(verification,
8720                            PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS,
8721                            0 /* TODO: Which userId? */);
8722
8723                    if (DEBUG_VERIFY) {
8724                        Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent "
8725                                + verification.toString() + " with " + pkgLite.verifiers.length
8726                                + " optional verifiers");
8727                    }
8728
8729                    final int verificationId = mPendingVerificationToken++;
8730
8731                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
8732
8733                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE,
8734                            installerPackageName);
8735
8736                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags);
8737
8738                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME,
8739                            pkgLite.packageName);
8740
8741                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE,
8742                            pkgLite.versionCode);
8743
8744                    if (verificationParams != null) {
8745                        if (verificationParams.getVerificationURI() != null) {
8746                           verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI,
8747                                 verificationParams.getVerificationURI());
8748                        }
8749                        if (verificationParams.getOriginatingURI() != null) {
8750                            verification.putExtra(Intent.EXTRA_ORIGINATING_URI,
8751                                  verificationParams.getOriginatingURI());
8752                        }
8753                        if (verificationParams.getReferrer() != null) {
8754                            verification.putExtra(Intent.EXTRA_REFERRER,
8755                                  verificationParams.getReferrer());
8756                        }
8757                        if (verificationParams.getOriginatingUid() >= 0) {
8758                            verification.putExtra(Intent.EXTRA_ORIGINATING_UID,
8759                                  verificationParams.getOriginatingUid());
8760                        }
8761                        if (verificationParams.getInstallerUid() >= 0) {
8762                            verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID,
8763                                  verificationParams.getInstallerUid());
8764                        }
8765                    }
8766
8767                    final PackageVerificationState verificationState = new PackageVerificationState(
8768                            requiredUid, args);
8769
8770                    mPendingVerification.append(verificationId, verificationState);
8771
8772                    final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite,
8773                            receivers, verificationState);
8774
8775                    /*
8776                     * If any sufficient verifiers were listed in the package
8777                     * manifest, attempt to ask them.
8778                     */
8779                    if (sufficientVerifiers != null) {
8780                        final int N = sufficientVerifiers.size();
8781                        if (N == 0) {
8782                            Slog.i(TAG, "Additional verifiers required, but none installed.");
8783                            ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
8784                        } else {
8785                            for (int i = 0; i < N; i++) {
8786                                final ComponentName verifierComponent = sufficientVerifiers.get(i);
8787
8788                                final Intent sufficientIntent = new Intent(verification);
8789                                sufficientIntent.setComponent(verifierComponent);
8790
8791                                mContext.sendBroadcastAsUser(sufficientIntent, getUser());
8792                            }
8793                        }
8794                    }
8795
8796                    final ComponentName requiredVerifierComponent = matchComponentForVerifier(
8797                            mRequiredVerifierPackage, receivers);
8798                    if (ret == PackageManager.INSTALL_SUCCEEDED
8799                            && mRequiredVerifierPackage != null) {
8800                        /*
8801                         * Send the intent to the required verification agent,
8802                         * but only start the verification timeout after the
8803                         * target BroadcastReceivers have run.
8804                         */
8805                        verification.setComponent(requiredVerifierComponent);
8806                        mContext.sendOrderedBroadcastAsUser(verification, getUser(),
8807                                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
8808                                new BroadcastReceiver() {
8809                                    @Override
8810                                    public void onReceive(Context context, Intent intent) {
8811                                        final Message msg = mHandler
8812                                                .obtainMessage(CHECK_PENDING_VERIFICATION);
8813                                        msg.arg1 = verificationId;
8814                                        mHandler.sendMessageDelayed(msg, getVerificationTimeout());
8815                                    }
8816                                }, null, 0, null, null);
8817
8818                        /*
8819                         * We don't want the copy to proceed until verification
8820                         * succeeds, so null out this field.
8821                         */
8822                        mArgs = null;
8823                    }
8824                } else {
8825                    /*
8826                     * No package verification is enabled, so immediately start
8827                     * the remote call to initiate copy using temporary file.
8828                     */
8829                    ret = args.copyApk(mContainerService, true);
8830                }
8831            }
8832
8833            mRet = ret;
8834        }
8835
8836        @Override
8837        void handleReturnCode() {
8838            // If mArgs is null, then MCS couldn't be reached. When it
8839            // reconnects, it will try again to install. At that point, this
8840            // will succeed.
8841            if (mArgs != null) {
8842                processPendingInstall(mArgs, mRet);
8843            }
8844        }
8845
8846        @Override
8847        void handleServiceError() {
8848            mArgs = createInstallArgs(this);
8849            mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
8850        }
8851
8852        public boolean isForwardLocked() {
8853            return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
8854        }
8855    }
8856
8857    /*
8858     * Utility class used in movePackage api.
8859     * srcArgs and targetArgs are not set for invalid flags and make
8860     * sure to do null checks when invoking methods on them.
8861     * We probably want to return ErrorPrams for both failed installs
8862     * and moves.
8863     */
8864    class MoveParams extends HandlerParams {
8865        final IPackageMoveObserver observer;
8866        final int flags;
8867        final String packageName;
8868        final InstallArgs srcArgs;
8869        final InstallArgs targetArgs;
8870        int uid;
8871        int mRet;
8872
8873        MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags,
8874                String packageName, String[] instructionSets, int uid, UserHandle user,
8875                boolean isMultiArch) {
8876            super(user);
8877            this.srcArgs = srcArgs;
8878            this.observer = observer;
8879            this.flags = flags;
8880            this.packageName = packageName;
8881            this.uid = uid;
8882            if (srcArgs != null) {
8883                final String codePath = srcArgs.getCodePath();
8884                targetArgs = createInstallArgsForMoveTarget(codePath, flags, packageName,
8885                        instructionSets, isMultiArch);
8886            } else {
8887                targetArgs = null;
8888            }
8889        }
8890
8891        @Override
8892        public String toString() {
8893            return "MoveParams{"
8894                + Integer.toHexString(System.identityHashCode(this))
8895                + " " + packageName + "}";
8896        }
8897
8898        public void handleStartCopy() throws RemoteException {
8899            mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
8900            // Check for storage space on target medium
8901            if (!targetArgs.checkFreeStorage(mContainerService)) {
8902                Log.w(TAG, "Insufficient storage to install");
8903                return;
8904            }
8905
8906            mRet = srcArgs.doPreCopy();
8907            if (mRet != PackageManager.INSTALL_SUCCEEDED) {
8908                return;
8909            }
8910
8911            mRet = targetArgs.copyApk(mContainerService, false);
8912            if (mRet != PackageManager.INSTALL_SUCCEEDED) {
8913                srcArgs.doPostCopy(uid);
8914                return;
8915            }
8916
8917            mRet = srcArgs.doPostCopy(uid);
8918            if (mRet != PackageManager.INSTALL_SUCCEEDED) {
8919                return;
8920            }
8921
8922            mRet = targetArgs.doPreInstall(mRet);
8923            if (mRet != PackageManager.INSTALL_SUCCEEDED) {
8924                return;
8925            }
8926
8927            if (DEBUG_SD_INSTALL) {
8928                StringBuilder builder = new StringBuilder();
8929                if (srcArgs != null) {
8930                    builder.append("src: ");
8931                    builder.append(srcArgs.getCodePath());
8932                }
8933                if (targetArgs != null) {
8934                    builder.append(" target : ");
8935                    builder.append(targetArgs.getCodePath());
8936                }
8937                Log.i(TAG, builder.toString());
8938            }
8939        }
8940
8941        @Override
8942        void handleReturnCode() {
8943            targetArgs.doPostInstall(mRet, uid);
8944            int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
8945            if (mRet == PackageManager.INSTALL_SUCCEEDED) {
8946                currentStatus = PackageManager.MOVE_SUCCEEDED;
8947            } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){
8948                currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE;
8949            }
8950            processPendingMove(this, currentStatus);
8951        }
8952
8953        @Override
8954        void handleServiceError() {
8955            mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
8956        }
8957    }
8958
8959    /**
8960     * Used during creation of InstallArgs
8961     *
8962     * @param flags package installation flags
8963     * @return true if should be installed on external storage
8964     */
8965    private static boolean installOnSd(int flags) {
8966        if ((flags & PackageManager.INSTALL_INTERNAL) != 0) {
8967            return false;
8968        }
8969        if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) {
8970            return true;
8971        }
8972        return false;
8973    }
8974
8975    /**
8976     * Used during creation of InstallArgs
8977     *
8978     * @param flags package installation flags
8979     * @return true if should be installed as forward locked
8980     */
8981    private static boolean installForwardLocked(int flags) {
8982        return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
8983    }
8984
8985    private InstallArgs createInstallArgs(InstallParams params) {
8986        // TODO: extend to support incoming zero-copy locations
8987
8988        if (installOnSd(params.flags) || params.isForwardLocked()) {
8989            return new AsecInstallArgs(params);
8990        } else {
8991            return new FileInstallArgs(params);
8992        }
8993    }
8994
8995    /**
8996     * Create args that describe an existing installed package. Typically used
8997     * when cleaning up old installs, or used as a move source.
8998     */
8999    private InstallArgs createInstallArgsForExisting(int flags, String codePath,
9000            String resourcePath, String nativeLibraryRoot, String[] instructionSets,
9001            boolean isMultiArch) {
9002        final boolean isInAsec;
9003        if (installOnSd(flags)) {
9004            /* Apps on SD card are always in ASEC containers. */
9005            isInAsec = true;
9006        } else if (installForwardLocked(flags)
9007                && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) {
9008            /*
9009             * Forward-locked apps are only in ASEC containers if they're the
9010             * new style
9011             */
9012            isInAsec = true;
9013        } else {
9014            isInAsec = false;
9015        }
9016
9017        if (isInAsec) {
9018            return new AsecInstallArgs(codePath, instructionSets,
9019                    installOnSd(flags), installForwardLocked(flags), isMultiArch);
9020        } else {
9021            return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot,
9022                    instructionSets, isMultiArch);
9023        }
9024    }
9025
9026    private InstallArgs createInstallArgsForMoveTarget(String codePath, int flags, String pkgName,
9027            String[] instructionSets, boolean isMultiArch) {
9028        final File codeFile = new File(codePath);
9029        if (installOnSd(flags) || installForwardLocked(flags)) {
9030            String cid = getNextCodePath(codePath, pkgName, "/"
9031                    + AsecInstallArgs.RES_FILE_NAME);
9032            return new AsecInstallArgs(codeFile, cid, instructionSets, installOnSd(flags),
9033                    installForwardLocked(flags), isMultiArch);
9034        } else {
9035            return new FileInstallArgs(codeFile, instructionSets, isMultiArch);
9036        }
9037    }
9038
9039    static abstract class InstallArgs {
9040        /** @see InstallParams#originFile */
9041        final File originFile;
9042        /** @see InstallParams#originStaged */
9043        final boolean originStaged;
9044
9045        // TODO: define inherit location
9046
9047        final IPackageInstallObserver2 observer;
9048        // Always refers to PackageManager flags only
9049        final int flags;
9050        final String installerPackageName;
9051        final ManifestDigest manifestDigest;
9052        final UserHandle user;
9053        final String abiOverride;
9054        final boolean multiArch;
9055
9056        // The list of instruction sets supported by this app. This is currently
9057        // only used during the rmdex() phase to clean up resources. We can get rid of this
9058        // if we move dex files under the common app path.
9059        /* nullable */ String[] instructionSets;
9060
9061        InstallArgs(File originFile, boolean originStaged, IPackageInstallObserver2 observer,
9062                    int flags, String installerPackageName, ManifestDigest manifestDigest,
9063                    UserHandle user, String[] instructionSets,
9064                    String abiOverride, boolean multiArch) {
9065            this.originFile = originFile;
9066            this.originStaged = originStaged;
9067            this.flags = flags;
9068            this.observer = observer;
9069            this.installerPackageName = installerPackageName;
9070            this.manifestDigest = manifestDigest;
9071            this.user = user;
9072            this.instructionSets = instructionSets;
9073            this.abiOverride = abiOverride;
9074            this.multiArch = multiArch;
9075        }
9076
9077        abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException;
9078        abstract int doPreInstall(int status);
9079
9080        /**
9081         * Rename package into final resting place. All paths on the given
9082         * scanned package should be updated to reflect the rename.
9083         */
9084        abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath);
9085        abstract int doPostInstall(int status, int uid);
9086
9087        /** @see PackageSettingBase#codePathString */
9088        abstract String getCodePath();
9089        /** @see PackageSettingBase#resourcePathString */
9090        abstract String getResourcePath();
9091        abstract String getLegacyNativeLibraryPath();
9092
9093        // Need installer lock especially for dex file removal.
9094        abstract void cleanUpResourcesLI();
9095        abstract boolean doPostDeleteLI(boolean delete);
9096        abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException;
9097
9098        /**
9099         * Called before the source arguments are copied. This is used mostly
9100         * for MoveParams when it needs to read the source file to put it in the
9101         * destination.
9102         */
9103        int doPreCopy() {
9104            return PackageManager.INSTALL_SUCCEEDED;
9105        }
9106
9107        /**
9108         * Called after the source arguments are copied. This is used mostly for
9109         * MoveParams when it needs to read the source file to put it in the
9110         * destination.
9111         *
9112         * @return
9113         */
9114        int doPostCopy(int uid) {
9115            return PackageManager.INSTALL_SUCCEEDED;
9116        }
9117
9118        protected boolean isFwdLocked() {
9119            return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
9120        }
9121
9122        UserHandle getUser() {
9123            return user;
9124        }
9125    }
9126
9127    /**
9128     * Logic to handle installation of non-ASEC applications, including copying
9129     * and renaming logic.
9130     */
9131    class FileInstallArgs extends InstallArgs {
9132        private File codeFile;
9133        private File resourceFile;
9134        private File legacyNativeLibraryPath;
9135
9136        // Example topology:
9137        // /data/app/com.example/base.apk
9138        // /data/app/com.example/split_foo.apk
9139        // /data/app/com.example/lib/arm/libfoo.so
9140        // /data/app/com.example/lib/arm64/libfoo.so
9141        // /data/app/com.example/dalvik/arm/base.apk@classes.dex
9142
9143        /** New install */
9144        FileInstallArgs(InstallParams params) {
9145            super(params.originFile, params.originStaged, params.observer, params.flags,
9146                    params.installerPackageName, params.getManifestDigest(), params.getUser(),
9147                    null /* instruction sets */, params.packageAbiOverride,
9148                    params.multiArch);
9149            if (isFwdLocked()) {
9150                throw new IllegalArgumentException("Forward locking only supported in ASEC");
9151            }
9152        }
9153
9154        /** Existing install */
9155        FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath,
9156                String[] instructionSets, boolean isMultiArch) {
9157            super(null, false, null, 0, null, null, null, instructionSets, null, isMultiArch);
9158            this.codeFile = (codePath != null) ? new File(codePath) : null;
9159            this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null;
9160            this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ?
9161                    new File(legacyNativeLibraryPath) : null;
9162        }
9163
9164        /** New install from existing */
9165        FileInstallArgs(File originFile, String[] instructionSets, boolean isMultiArch) {
9166            super(originFile, false, null, 0, null, null, null, instructionSets, null,
9167                    isMultiArch);
9168        }
9169
9170        boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException {
9171            final long lowThreshold;
9172
9173            final DeviceStorageMonitorInternal
9174                    dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
9175            if (dsm == null) {
9176                Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed");
9177                lowThreshold = 0L;
9178            } else {
9179                if (dsm.isMemoryLow()) {
9180                    Log.w(TAG, "Memory is reported as being too low; aborting package install");
9181                    return false;
9182                }
9183
9184                lowThreshold = dsm.getMemoryLowThreshold();
9185            }
9186
9187            return imcs.checkInternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(),
9188                    lowThreshold);
9189        }
9190
9191        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
9192            int ret = PackageManager.INSTALL_SUCCEEDED;
9193
9194            if (originStaged) {
9195                Slog.d(TAG, originFile + " already staged; skipping copy");
9196                codeFile = originFile;
9197                resourceFile = originFile;
9198            } else {
9199                try {
9200                    final File tempDir = mInstallerService.allocateSessionDir();
9201                    codeFile = tempDir;
9202                    resourceFile = tempDir;
9203                } catch (IOException e) {
9204                    Slog.w(TAG, "Failed to create copy file: " + e);
9205                    return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
9206                }
9207
9208                final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() {
9209                    @Override
9210                    public ParcelFileDescriptor open(String name, int mode) throws RemoteException {
9211                        if (!FileUtils.isValidExtFilename(name)) {
9212                            throw new IllegalArgumentException("Invalid filename: " + name);
9213                        }
9214                        try {
9215                            final File file = new File(codeFile, name);
9216                            final FileDescriptor fd = Os.open(file.getAbsolutePath(),
9217                                    O_RDWR | O_CREAT, 0644);
9218                            Os.chmod(file.getAbsolutePath(), 0644);
9219                            return new ParcelFileDescriptor(fd);
9220                        } catch (ErrnoException e) {
9221                            throw new RemoteException("Failed to open: " + e.getMessage());
9222                        }
9223                    }
9224                };
9225
9226                ret = imcs.copyPackage(originFile.getAbsolutePath(), target);
9227                if (ret != PackageManager.INSTALL_SUCCEEDED) {
9228                    Slog.e(TAG, "Failed to copy package");
9229                    return ret;
9230                }
9231            }
9232
9233            final File libraryRoot = new File(codeFile, LIB_DIR_NAME);
9234            NativeLibraryHelper.Handle handle = null;
9235            try {
9236                handle = NativeLibraryHelper.Handle.create(codeFile);
9237                if (multiArch) {
9238                    // Warn if we've set an abiOverride for multi-lib packages..
9239                    // By definition, we need to copy both 32 and 64 bit libraries for
9240                    // such packages.
9241                    if (abiOverride != null) {
9242                        Slog.w(TAG, "Ignoring abiOverride for multi arch application.");
9243                    }
9244
9245                    int copyRet = PackageManager.NO_NATIVE_LIBRARIES;
9246                    if (Build.SUPPORTED_32_BIT_ABIS.length > 0) {
9247                        copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot,
9248                                Build.SUPPORTED_32_BIT_ABIS, true /* use isa specific subdirs */);
9249                        maybeThrowExceptionForMultiArchCopy("Failure copying 32 bit native libraries", copyRet);
9250                    }
9251
9252                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0) {
9253                        copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot,
9254                                Build.SUPPORTED_64_BIT_ABIS, true /* use isa specific subdirs */);
9255                        maybeThrowExceptionForMultiArchCopy("Failure copying 64 bit native libraries", copyRet);
9256                    }
9257                } else {
9258                    String[] abiList = (abiOverride != null) ?
9259                            new String[] { abiOverride } : Build.SUPPORTED_ABIS;
9260
9261                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && abiOverride == null &&
9262                            NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
9263                        abiList = Build.SUPPORTED_32_BIT_ABIS;
9264                    }
9265
9266                    int copyRet = copyNativeLibrariesForInternalApp(handle, libraryRoot, abiList,
9267                            true /* use isa specific subdirs */);
9268                    if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) {
9269                        Slog.w(TAG, "Failure copying native libraries [errorCode=" + copyRet + "]");
9270                        return copyRet;
9271                    }
9272                }
9273            } catch (IOException e) {
9274                Slog.e(TAG, "Copying native libraries failed", e);
9275                ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
9276            } catch (PackageManagerException pme) {
9277                Slog.e(TAG, "Copying native libraries failed", pme);
9278                ret = pme.error;
9279            } finally {
9280                IoUtils.closeQuietly(handle);
9281            }
9282
9283            return ret;
9284        }
9285
9286        int doPreInstall(int status) {
9287            if (status != PackageManager.INSTALL_SUCCEEDED) {
9288                cleanUp();
9289            }
9290            return status;
9291        }
9292
9293        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
9294            if (status != PackageManager.INSTALL_SUCCEEDED) {
9295                cleanUp();
9296                return false;
9297            } else {
9298                final File beforeCodeFile = codeFile;
9299                final File afterCodeFile = getNextCodePath(pkg.packageName);
9300
9301                Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile);
9302                try {
9303                    Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath());
9304                } catch (ErrnoException e) {
9305                    Slog.d(TAG, "Failed to rename", e);
9306                    return false;
9307                }
9308
9309                if (!SELinux.restoreconRecursive(afterCodeFile)) {
9310                    Slog.d(TAG, "Failed to restorecon");
9311                    return false;
9312                }
9313
9314                // Reflect the rename internally
9315                codeFile = afterCodeFile;
9316                resourceFile = afterCodeFile;
9317
9318                // Reflect the rename in scanned details
9319                pkg.codePath = afterCodeFile.getAbsolutePath();
9320                pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
9321                        pkg.baseCodePath);
9322                pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
9323                        pkg.splitCodePaths);
9324
9325                // Reflect the rename in app info
9326                pkg.applicationInfo.setCodePath(pkg.codePath);
9327                pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
9328                pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
9329                pkg.applicationInfo.setResourcePath(pkg.codePath);
9330                pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
9331                pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
9332
9333                return true;
9334            }
9335        }
9336
9337        int doPostInstall(int status, int uid) {
9338            if (status != PackageManager.INSTALL_SUCCEEDED) {
9339                cleanUp();
9340            }
9341            return status;
9342        }
9343
9344        @Override
9345        String getCodePath() {
9346            return (codeFile != null) ? codeFile.getAbsolutePath() : null;
9347        }
9348
9349        @Override
9350        String getResourcePath() {
9351            return (resourceFile != null) ? resourceFile.getAbsolutePath() : null;
9352        }
9353
9354        @Override
9355        String getLegacyNativeLibraryPath() {
9356            return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null;
9357        }
9358
9359        private boolean cleanUp() {
9360            if (codeFile == null || !codeFile.exists()) {
9361                return false;
9362            }
9363
9364            if (codeFile.isDirectory()) {
9365                FileUtils.deleteContents(codeFile);
9366            }
9367            codeFile.delete();
9368
9369            if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) {
9370                resourceFile.delete();
9371            }
9372
9373            if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) {
9374                if (!FileUtils.deleteContents(legacyNativeLibraryPath)) {
9375                    Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath);
9376                }
9377                legacyNativeLibraryPath.delete();
9378            }
9379
9380            return true;
9381        }
9382
9383        void cleanUpResourcesLI() {
9384            // Try enumerating all code paths before deleting
9385            List<String> allCodePaths = Collections.EMPTY_LIST;
9386            if (codeFile != null && codeFile.exists()) {
9387                try {
9388                    final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0);
9389                    allCodePaths = pkg.getAllCodePaths();
9390                } catch (PackageParserException e) {
9391                    // Ignored; we tried our best
9392                }
9393            }
9394
9395            cleanUp();
9396
9397            if (!allCodePaths.isEmpty()) {
9398                if (instructionSets == null) {
9399                    throw new IllegalStateException("instructionSet == null");
9400                }
9401
9402                for (String codePath : allCodePaths) {
9403                    for (String instructionSet : instructionSets) {
9404                        int retCode = mInstaller.rmdex(codePath, instructionSet);
9405                        if (retCode < 0) {
9406                            Slog.w(TAG, "Couldn't remove dex file for package: "
9407                                    + " at location " + codePath + ", retcode=" + retCode);
9408                            // we don't consider this to be a failure of the core package deletion
9409                        }
9410                    }
9411                }
9412            }
9413        }
9414
9415        boolean doPostDeleteLI(boolean delete) {
9416            // XXX err, shouldn't we respect the delete flag?
9417            cleanUpResourcesLI();
9418            return true;
9419        }
9420    }
9421
9422    private boolean isAsecExternal(String cid) {
9423        final String asecPath = PackageHelper.getSdFilesystem(cid);
9424        return !asecPath.startsWith(mAsecInternalPath);
9425    }
9426
9427    private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws
9428            PackageManagerException {
9429        if (copyRet < 0) {
9430            if (copyRet != PackageManager.NO_NATIVE_LIBRARIES &&
9431                    copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) {
9432                throw new PackageManagerException(copyRet, message);
9433            }
9434        }
9435    }
9436
9437    /**
9438     * Extract the MountService "container ID" from the full code path of an
9439     * .apk.
9440     */
9441    static String cidFromCodePath(String fullCodePath) {
9442        int eidx = fullCodePath.lastIndexOf("/");
9443        String subStr1 = fullCodePath.substring(0, eidx);
9444        int sidx = subStr1.lastIndexOf("/");
9445        return subStr1.substring(sidx+1, eidx);
9446    }
9447
9448    /**
9449     * Logic to handle installation of ASEC applications, including copying and
9450     * renaming logic.
9451     */
9452    class AsecInstallArgs extends InstallArgs {
9453        // TODO: teach about handling cluster directories
9454
9455        static final String RES_FILE_NAME = "pkg.apk";
9456        static final String PUBLIC_RES_FILE_NAME = "res.zip";
9457
9458        String cid;
9459        String packagePath;
9460        String resourcePath;
9461        String legacyNativeLibraryDir;
9462
9463        /** New install */
9464        AsecInstallArgs(InstallParams params) {
9465            super(params.originFile, params.originStaged, params.observer, params.flags,
9466                    params.installerPackageName, params.getManifestDigest(),
9467                    params.getUser(), null /* instruction sets */,
9468                    params.packageAbiOverride, params.multiArch);
9469        }
9470
9471        /** Existing install */
9472        AsecInstallArgs(String fullCodePath, String[] instructionSets,
9473                        boolean isExternal, boolean isForwardLocked, boolean isMultiArch) {
9474            super(null, false, null, (isExternal ? INSTALL_EXTERNAL : 0)
9475                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null,
9476                    instructionSets, null, isMultiArch);
9477            // Extract cid from fullCodePath
9478            int eidx = fullCodePath.lastIndexOf("/");
9479            String subStr1 = fullCodePath.substring(0, eidx);
9480            int sidx = subStr1.lastIndexOf("/");
9481            cid = subStr1.substring(sidx+1, eidx);
9482            setCachePath(subStr1);
9483        }
9484
9485        AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked,
9486                        boolean isMultiArch) {
9487            super(null, false, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0)
9488                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null,
9489                    instructionSets, null, isMultiArch);
9490            this.cid = cid;
9491            setCachePath(PackageHelper.getSdDir(cid));
9492        }
9493
9494        /** New install from existing */
9495        AsecInstallArgs(File originPackageFile, String cid, String[] instructionSets,
9496                boolean isExternal, boolean isForwardLocked, boolean isMultiArch) {
9497            super(originPackageFile, false, null, (isExternal ? INSTALL_EXTERNAL : 0)
9498                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null,
9499                    instructionSets, null, isMultiArch);
9500            this.cid = cid;
9501        }
9502
9503        void createCopyFile() {
9504            cid = getTempContainerId();
9505        }
9506
9507        boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException {
9508            return imcs.checkExternalFreeStorage(originFile.getAbsolutePath(), isFwdLocked(),
9509                    abiOverride);
9510        }
9511
9512        private final boolean isExternal() {
9513            return (flags & PackageManager.INSTALL_EXTERNAL) != 0;
9514        }
9515
9516        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
9517            if (temp) {
9518                createCopyFile();
9519            } else {
9520                /*
9521                 * Pre-emptively destroy the container since it's destroyed if
9522                 * copying fails due to it existing anyway.
9523                 */
9524                PackageHelper.destroySdDir(cid);
9525            }
9526
9527            final String newCachePath = imcs.copyPackageToContainer(
9528                    originFile.getAbsolutePath(), cid, getEncryptKey(), isExternal(),
9529                    isFwdLocked(), abiOverride);
9530
9531            if (newCachePath != null) {
9532                setCachePath(newCachePath);
9533                return PackageManager.INSTALL_SUCCEEDED;
9534            } else {
9535                return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9536            }
9537        }
9538
9539        @Override
9540        String getCodePath() {
9541            return packagePath;
9542        }
9543
9544        @Override
9545        String getResourcePath() {
9546            return resourcePath;
9547        }
9548
9549        @Override
9550        String getLegacyNativeLibraryPath() {
9551            return legacyNativeLibraryDir;
9552        }
9553
9554        int doPreInstall(int status) {
9555            if (status != PackageManager.INSTALL_SUCCEEDED) {
9556                // Destroy container
9557                PackageHelper.destroySdDir(cid);
9558            } else {
9559                boolean mounted = PackageHelper.isContainerMounted(cid);
9560                if (!mounted) {
9561                    String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(),
9562                            Process.SYSTEM_UID);
9563                    if (newCachePath != null) {
9564                        setCachePath(newCachePath);
9565                    } else {
9566                        return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9567                    }
9568                }
9569            }
9570            return status;
9571        }
9572
9573        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
9574            String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME);
9575            String newCachePath = null;
9576            if (PackageHelper.isContainerMounted(cid)) {
9577                // Unmount the container
9578                if (!PackageHelper.unMountSdDir(cid)) {
9579                    Slog.i(TAG, "Failed to unmount " + cid + " before renaming");
9580                    return false;
9581                }
9582            }
9583            if (!PackageHelper.renameSdDir(cid, newCacheId)) {
9584                Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId +
9585                        " which might be stale. Will try to clean up.");
9586                // Clean up the stale container and proceed to recreate.
9587                if (!PackageHelper.destroySdDir(newCacheId)) {
9588                    Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId);
9589                    return false;
9590                }
9591                // Successfully cleaned up stale container. Try to rename again.
9592                if (!PackageHelper.renameSdDir(cid, newCacheId)) {
9593                    Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId
9594                            + " inspite of cleaning it up.");
9595                    return false;
9596                }
9597            }
9598            if (!PackageHelper.isContainerMounted(newCacheId)) {
9599                Slog.w(TAG, "Mounting container " + newCacheId);
9600                newCachePath = PackageHelper.mountSdDir(newCacheId,
9601                        getEncryptKey(), Process.SYSTEM_UID);
9602            } else {
9603                newCachePath = PackageHelper.getSdDir(newCacheId);
9604            }
9605            if (newCachePath == null) {
9606                Slog.w(TAG, "Failed to get cache path for  " + newCacheId);
9607                return false;
9608            }
9609            Log.i(TAG, "Succesfully renamed " + cid +
9610                    " to " + newCacheId +
9611                    " at new path: " + newCachePath);
9612            cid = newCacheId;
9613            setCachePath(newCachePath);
9614
9615            // TODO: extend to support split APKs
9616            pkg.codePath = getCodePath();
9617            pkg.baseCodePath = getCodePath();
9618            pkg.splitCodePaths = null;
9619
9620            pkg.applicationInfo.setCodePath(getCodePath());
9621            pkg.applicationInfo.setBaseCodePath(getCodePath());
9622            pkg.applicationInfo.setSplitCodePaths(null);
9623            pkg.applicationInfo.setResourcePath(getResourcePath());
9624            pkg.applicationInfo.setBaseResourcePath(getResourcePath());
9625            pkg.applicationInfo.setSplitResourcePaths(null);
9626
9627            return true;
9628        }
9629
9630        private void setCachePath(String newCachePath) {
9631            File cachePath = new File(newCachePath);
9632            legacyNativeLibraryDir = new File(cachePath, LIB_DIR_NAME).getPath();
9633            packagePath = new File(cachePath, RES_FILE_NAME).getPath();
9634
9635            if (isFwdLocked()) {
9636                resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath();
9637            } else {
9638                resourcePath = packagePath;
9639            }
9640        }
9641
9642        int doPostInstall(int status, int uid) {
9643            if (status != PackageManager.INSTALL_SUCCEEDED) {
9644                cleanUp();
9645            } else {
9646                final int groupOwner;
9647                final String protectedFile;
9648                if (isFwdLocked()) {
9649                    groupOwner = UserHandle.getSharedAppGid(uid);
9650                    protectedFile = RES_FILE_NAME;
9651                } else {
9652                    groupOwner = -1;
9653                    protectedFile = null;
9654                }
9655
9656                if (uid < Process.FIRST_APPLICATION_UID
9657                        || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) {
9658                    Slog.e(TAG, "Failed to finalize " + cid);
9659                    PackageHelper.destroySdDir(cid);
9660                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9661                }
9662
9663                boolean mounted = PackageHelper.isContainerMounted(cid);
9664                if (!mounted) {
9665                    PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid());
9666                }
9667            }
9668            return status;
9669        }
9670
9671        private void cleanUp() {
9672            if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp");
9673
9674            // Destroy secure container
9675            PackageHelper.destroySdDir(cid);
9676        }
9677
9678        void cleanUpResourcesLI() {
9679            String sourceFile = getCodePath();
9680            // Remove dex file
9681            if (instructionSets == null) {
9682                throw new IllegalStateException("instructionSet == null");
9683            }
9684            for (String instructionSet : instructionSets) {
9685                int retCode = mInstaller.rmdex(sourceFile, instructionSet);
9686                if (retCode < 0) {
9687                    Slog.w(TAG, "Couldn't remove dex file for package: "
9688                            + " at location "
9689                            + sourceFile.toString() + ", retcode=" + retCode);
9690                    // we don't consider this to be a failure of the core package deletion
9691                }
9692            }
9693            cleanUp();
9694        }
9695
9696        boolean matchContainer(String app) {
9697            if (cid.startsWith(app)) {
9698                return true;
9699            }
9700            return false;
9701        }
9702
9703        String getPackageName() {
9704            return getAsecPackageName(cid);
9705        }
9706
9707        boolean doPostDeleteLI(boolean delete) {
9708            boolean ret = false;
9709            boolean mounted = PackageHelper.isContainerMounted(cid);
9710            if (mounted) {
9711                // Unmount first
9712                ret = PackageHelper.unMountSdDir(cid);
9713            }
9714            if (ret && delete) {
9715                cleanUpResourcesLI();
9716            }
9717            return ret;
9718        }
9719
9720        @Override
9721        int doPreCopy() {
9722            if (isFwdLocked()) {
9723                if (!PackageHelper.fixSdPermissions(cid,
9724                        getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) {
9725                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9726                }
9727            }
9728
9729            return PackageManager.INSTALL_SUCCEEDED;
9730        }
9731
9732        @Override
9733        int doPostCopy(int uid) {
9734            if (isFwdLocked()) {
9735                if (uid < Process.FIRST_APPLICATION_UID
9736                        || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid),
9737                                RES_FILE_NAME)) {
9738                    Slog.e(TAG, "Failed to finalize " + cid);
9739                    PackageHelper.destroySdDir(cid);
9740                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9741                }
9742            }
9743
9744            return PackageManager.INSTALL_SUCCEEDED;
9745        }
9746    }
9747
9748    static String getAsecPackageName(String packageCid) {
9749        int idx = packageCid.lastIndexOf("-");
9750        if (idx == -1) {
9751            return packageCid;
9752        }
9753        return packageCid.substring(0, idx);
9754    }
9755
9756    // Utility method used to create code paths based on package name and available index.
9757    private static String getNextCodePath(String oldCodePath, String prefix, String suffix) {
9758        String idxStr = "";
9759        int idx = 1;
9760        // Fall back to default value of idx=1 if prefix is not
9761        // part of oldCodePath
9762        if (oldCodePath != null) {
9763            String subStr = oldCodePath;
9764            // Drop the suffix right away
9765            if (suffix != null && subStr.endsWith(suffix)) {
9766                subStr = subStr.substring(0, subStr.length() - suffix.length());
9767            }
9768            // If oldCodePath already contains prefix find out the
9769            // ending index to either increment or decrement.
9770            int sidx = subStr.lastIndexOf(prefix);
9771            if (sidx != -1) {
9772                subStr = subStr.substring(sidx + prefix.length());
9773                if (subStr != null) {
9774                    if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) {
9775                        subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length());
9776                    }
9777                    try {
9778                        idx = Integer.parseInt(subStr);
9779                        if (idx <= 1) {
9780                            idx++;
9781                        } else {
9782                            idx--;
9783                        }
9784                    } catch(NumberFormatException e) {
9785                    }
9786                }
9787            }
9788        }
9789        idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx);
9790        return prefix + idxStr;
9791    }
9792
9793    private File getNextCodePath(String packageName) {
9794        int suffix = 1;
9795        File result;
9796        do {
9797            result = new File(mAppInstallDir, packageName + "-" + suffix);
9798            suffix++;
9799        } while (result.exists());
9800        return result;
9801    }
9802
9803    // Utility method used to ignore ADD/REMOVE events
9804    // by directory observer.
9805    private static boolean ignoreCodePath(String fullPathStr) {
9806        String apkName = deriveCodePathName(fullPathStr);
9807        int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX);
9808        if (idx != -1 && ((idx+1) < apkName.length())) {
9809            // Make sure the package ends with a numeral
9810            String version = apkName.substring(idx+1);
9811            try {
9812                Integer.parseInt(version);
9813                return true;
9814            } catch (NumberFormatException e) {}
9815        }
9816        return false;
9817    }
9818
9819    // Utility method that returns the relative package path with respect
9820    // to the installation directory. Like say for /data/data/com.test-1.apk
9821    // string com.test-1 is returned.
9822    static String deriveCodePathName(String codePath) {
9823        if (codePath == null) {
9824            return null;
9825        }
9826        final File codeFile = new File(codePath);
9827        final String name = codeFile.getName();
9828        if (codeFile.isDirectory()) {
9829            return name;
9830        } else if (name.endsWith(".apk") || name.endsWith(".tmp")) {
9831            final int lastDot = name.lastIndexOf('.');
9832            return name.substring(0, lastDot);
9833        } else {
9834            Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK");
9835            return null;
9836        }
9837    }
9838
9839    class PackageInstalledInfo {
9840        String name;
9841        int uid;
9842        // The set of users that originally had this package installed.
9843        int[] origUsers;
9844        // The set of users that now have this package installed.
9845        int[] newUsers;
9846        PackageParser.Package pkg;
9847        int returnCode;
9848        String returnMsg;
9849        PackageRemovedInfo removedInfo;
9850
9851        public void setError(int code, String msg) {
9852            returnCode = code;
9853            returnMsg = msg;
9854            Slog.w(TAG, msg);
9855        }
9856
9857        // In some error cases we want to convey more info back to the observer
9858        String origPackage;
9859        String origPermission;
9860    }
9861
9862    /*
9863     * Install a non-existing package.
9864     */
9865    private void installNewPackageLI(PackageParser.Package pkg,
9866            int parseFlags, int scanMode, UserHandle user,
9867            String installerPackageName, PackageInstalledInfo res, String abiOverride) {
9868        // Remember this for later, in case we need to rollback this install
9869        String pkgName = pkg.packageName;
9870
9871        if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg);
9872        boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists();
9873        synchronized(mPackages) {
9874            if (mSettings.mRenamedPackages.containsKey(pkgName)) {
9875                // A package with the same name is already installed, though
9876                // it has been renamed to an older name.  The package we
9877                // are trying to install should be installed as an update to
9878                // the existing one, but that has not been requested, so bail.
9879                res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
9880                        + " without first uninstalling package running as "
9881                        + mSettings.mRenamedPackages.get(pkgName));
9882                return;
9883            }
9884            if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) {
9885                // Don't allow installation over an existing package with the same name.
9886                res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
9887                        + " without first uninstalling.");
9888                return;
9889            }
9890        }
9891
9892        try {
9893            PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode,
9894                    System.currentTimeMillis(), user, abiOverride);
9895
9896            updateSettingsLI(newPackage, installerPackageName, null, null, res);
9897            // delete the partially installed application. the data directory will have to be
9898            // restored if it was already existing
9899            if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
9900                // remove package from internal structures.  Note that we want deletePackageX to
9901                // delete the package data and cache directories that it created in
9902                // scanPackageLocked, unless those directories existed before we even tried to
9903                // install.
9904                deletePackageLI(pkgName, UserHandle.ALL, false, null, null,
9905                        dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0,
9906                                res.removedInfo, true);
9907            }
9908
9909        } catch (PackageManagerException e) {
9910            res.setError(e.error,
9911                    "Package couldn't be installed in " + pkg.codePath + ": " + e.getMessage());
9912        }
9913    }
9914
9915    private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) {
9916        // Upgrade keysets are being used.  Determine if new package has a superset of the
9917        // required keys.
9918        long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets();
9919        KeySetManagerService ksms = mSettings.mKeySetManagerService;
9920        for (int i = 0; i < upgradeKeySets.length; i++) {
9921            Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]);
9922            if (newPkg.mSigningKeys.containsAll(upgradeSet)) {
9923                return true;
9924            }
9925        }
9926        return false;
9927    }
9928
9929    private void replacePackageLI(PackageParser.Package pkg,
9930            int parseFlags, int scanMode, UserHandle user,
9931            String installerPackageName, PackageInstalledInfo res, String abiOverride) {
9932        PackageParser.Package oldPackage;
9933        String pkgName = pkg.packageName;
9934        int[] allUsers;
9935        boolean[] perUserInstalled;
9936
9937        // First find the old package info and check signatures
9938        synchronized(mPackages) {
9939            oldPackage = mPackages.get(pkgName);
9940            if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage);
9941            PackageSetting ps = mSettings.mPackages.get(pkgName);
9942            if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) {
9943                // default to original signature matching
9944                if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures)
9945                    != PackageManager.SIGNATURE_MATCH) {
9946                    res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES,
9947                            "New package has a different signature: " + pkgName);
9948                    return;
9949                }
9950            } else {
9951                if(!checkUpgradeKeySetLP(ps, pkg)) {
9952                    res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES,
9953                            "New package not signed by keys specified by upgrade-keysets: "
9954                            + pkgName);
9955                    return;
9956                }
9957            }
9958
9959            // In case of rollback, remember per-user/profile install state
9960            allUsers = sUserManager.getUserIds();
9961            perUserInstalled = new boolean[allUsers.length];
9962            for (int i = 0; i < allUsers.length; i++) {
9963                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
9964            }
9965        }
9966        boolean sysPkg = (isSystemApp(oldPackage));
9967        if (sysPkg) {
9968            replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode,
9969                    user, allUsers, perUserInstalled, installerPackageName, res,
9970                    abiOverride);
9971        } else {
9972            replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode,
9973                    user, allUsers, perUserInstalled, installerPackageName, res,
9974                    abiOverride);
9975        }
9976    }
9977
9978    private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage,
9979            PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user,
9980            int[] allUsers, boolean[] perUserInstalled,
9981            String installerPackageName, PackageInstalledInfo res, String abiOverride) {
9982        String pkgName = deletedPackage.packageName;
9983        boolean deletedPkg = true;
9984        boolean updatedSettings = false;
9985
9986        if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old="
9987                + deletedPackage);
9988        long origUpdateTime;
9989        if (pkg.mExtras != null) {
9990            origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime;
9991        } else {
9992            origUpdateTime = 0;
9993        }
9994
9995        // First delete the existing package while retaining the data directory
9996        if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA,
9997                res.removedInfo, true)) {
9998            // If the existing package wasn't successfully deleted
9999            res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI");
10000            deletedPkg = false;
10001        } else {
10002            // Successfully deleted the old package. Now proceed with re-installation
10003            try {
10004                final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags,
10005                        scanMode | SCAN_UPDATE_TIME, System.currentTimeMillis(), user, abiOverride);
10006                updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res);
10007                updatedSettings = true;
10008            } catch (PackageManagerException e) {
10009                res.setError(e.error,
10010                        "Package couldn't be installed in " + pkg.codePath + ": " + e.getMessage());
10011            }
10012        }
10013
10014        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
10015            // remove package from internal structures.  Note that we want deletePackageX to
10016            // delete the package data and cache directories that it created in
10017            // scanPackageLocked, unless those directories existed before we even tried to
10018            // install.
10019            if(updatedSettings) {
10020                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName);
10021                deletePackageLI(
10022                        pkgName, null, true, allUsers, perUserInstalled,
10023                        PackageManager.DELETE_KEEP_DATA,
10024                                res.removedInfo, true);
10025            }
10026            // Since we failed to install the new package we need to restore the old
10027            // package that we deleted.
10028            if (deletedPkg) {
10029                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage);
10030                File restoreFile = new File(deletedPackage.codePath);
10031                // Parse old package
10032                boolean oldOnSd = isExternal(deletedPackage);
10033                int oldParseFlags  = mDefParseFlags | PackageParser.PARSE_CHATTY |
10034                        (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) |
10035                        (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0);
10036                int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE
10037                        | SCAN_UPDATE_TIME;
10038                try {
10039                    scanPackageLI(restoreFile, oldParseFlags, oldScanMode, origUpdateTime, null,
10040                            null);
10041                } catch (PackageManagerException e) {
10042                    Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: "
10043                            + e.getMessage());
10044                    return;
10045                }
10046                // Restore of old package succeeded. Update permissions.
10047                // writer
10048                synchronized (mPackages) {
10049                    updatePermissionsLPw(deletedPackage.packageName, deletedPackage,
10050                            UPDATE_PERMISSIONS_ALL);
10051                    // can downgrade to reader
10052                    mSettings.writeLPr();
10053                }
10054                Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade");
10055            }
10056        }
10057    }
10058
10059    private void replaceSystemPackageLI(PackageParser.Package deletedPackage,
10060            PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user,
10061            int[] allUsers, boolean[] perUserInstalled,
10062            String installerPackageName, PackageInstalledInfo res, String abiOverride) {
10063        if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg
10064                + ", old=" + deletedPackage);
10065        boolean updatedSettings = false;
10066        parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING |
10067                PackageParser.PARSE_IS_SYSTEM;
10068        if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) {
10069            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
10070        }
10071        String packageName = deletedPackage.packageName;
10072        if (packageName == null) {
10073            res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
10074                    "Attempt to delete null packageName.");
10075            return;
10076        }
10077        PackageParser.Package oldPkg;
10078        PackageSetting oldPkgSetting;
10079        // reader
10080        synchronized (mPackages) {
10081            oldPkg = mPackages.get(packageName);
10082            oldPkgSetting = mSettings.mPackages.get(packageName);
10083            if((oldPkg == null) || (oldPkg.applicationInfo == null) ||
10084                    (oldPkgSetting == null)) {
10085                res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
10086                        "Couldn't find package:" + packageName + " information");
10087                return;
10088            }
10089        }
10090
10091        killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg");
10092
10093        res.removedInfo.uid = oldPkg.applicationInfo.uid;
10094        res.removedInfo.removedPackage = packageName;
10095        // Remove existing system package
10096        removePackageLI(oldPkgSetting, true);
10097        // writer
10098        synchronized (mPackages) {
10099            if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) {
10100                // We didn't need to disable the .apk as a current system package,
10101                // which means we are replacing another update that is already
10102                // installed.  We need to make sure to delete the older one's .apk.
10103                res.removedInfo.args = createInstallArgsForExisting(0,
10104                        deletedPackage.applicationInfo.getCodePath(),
10105                        deletedPackage.applicationInfo.getResourcePath(),
10106                        deletedPackage.applicationInfo.nativeLibraryRootDir,
10107                        getAppDexInstructionSets(deletedPackage.applicationInfo),
10108                        isMultiArch(deletedPackage.applicationInfo));
10109            } else {
10110                res.removedInfo.args = null;
10111            }
10112        }
10113
10114        // Successfully disabled the old package. Now proceed with re-installation
10115        res.returnCode = PackageManager.INSTALL_SUCCEEDED;
10116        pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
10117
10118        PackageParser.Package newPackage = null;
10119        try {
10120            newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride);
10121            if (newPackage.mExtras != null) {
10122                final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras;
10123                newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime;
10124                newPkgSetting.lastUpdateTime = System.currentTimeMillis();
10125
10126                // is the update attempting to change shared user? that isn't going to work...
10127                if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) {
10128                    res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
10129                            "Forbidding shared user change from " + oldPkgSetting.sharedUser
10130                            + " to " + newPkgSetting.sharedUser);
10131                    updatedSettings = true;
10132                }
10133            }
10134
10135            if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
10136                updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res);
10137                updatedSettings = true;
10138            }
10139
10140        } catch (PackageManagerException e) {
10141            res.setError(e.error,
10142                    "Package couldn't be installed in " + pkg.codePath + ": " + e.getMessage());
10143        }
10144
10145        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
10146            // Re installation failed. Restore old information
10147            // Remove new pkg information
10148            if (newPackage != null) {
10149                removeInstalledPackageLI(newPackage, true);
10150            }
10151            // Add back the old system package
10152            try {
10153                scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user,
10154                        null);
10155            } catch (PackageManagerException e) {
10156                Slog.e(TAG, "Failed to restore original package: " + e.getMessage());
10157            }
10158            // Restore the old system information in Settings
10159            synchronized(mPackages) {
10160                if (updatedSettings) {
10161                    mSettings.enableSystemPackageLPw(packageName);
10162                    mSettings.setInstallerPackageName(packageName,
10163                            oldPkgSetting.installerPackageName);
10164                }
10165                mSettings.writeLPr();
10166            }
10167        }
10168    }
10169
10170    // Utility method used to move dex files during install.
10171    private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) {
10172        // TODO: extend to move split APK dex files
10173        if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) {
10174            final String[] instructionSets = getAppDexInstructionSets(newPackage.applicationInfo);
10175            for (String instructionSet : instructionSets) {
10176                int retCode = mInstaller.movedex(oldCodePath, newPackage.baseCodePath,
10177                        instructionSet);
10178                if (retCode != 0) {
10179                /*
10180                 * Programs may be lazily run through dexopt, so the
10181                 * source may not exist. However, something seems to
10182                 * have gone wrong, so note that dexopt needs to be
10183                 * run again and remove the source file. In addition,
10184                 * remove the target to make sure there isn't a stale
10185                 * file from a previous version of the package.
10186                 */
10187                    newPackage.mDexOptNeeded = true;
10188                    mInstaller.rmdex(oldCodePath, instructionSet);
10189                    mInstaller.rmdex(newPackage.baseCodePath, instructionSet);
10190                }
10191            }
10192        }
10193        return PackageManager.INSTALL_SUCCEEDED;
10194    }
10195
10196    private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName,
10197            int[] allUsers, boolean[] perUserInstalled,
10198            PackageInstalledInfo res) {
10199        String pkgName = newPackage.packageName;
10200        synchronized (mPackages) {
10201            //write settings. the installStatus will be incomplete at this stage.
10202            //note that the new package setting would have already been
10203            //added to mPackages. It hasn't been persisted yet.
10204            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE);
10205            mSettings.writeLPr();
10206        }
10207
10208        if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath);
10209
10210        synchronized (mPackages) {
10211            updatePermissionsLPw(newPackage.packageName, newPackage,
10212                    UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0
10213                            ? UPDATE_PERMISSIONS_ALL : 0));
10214            // For system-bundled packages, we assume that installing an upgraded version
10215            // of the package implies that the user actually wants to run that new code,
10216            // so we enable the package.
10217            if (isSystemApp(newPackage)) {
10218                // NB: implicit assumption that system package upgrades apply to all users
10219                if (DEBUG_INSTALL) {
10220                    Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName);
10221                }
10222                PackageSetting ps = mSettings.mPackages.get(pkgName);
10223                if (ps != null) {
10224                    if (res.origUsers != null) {
10225                        for (int userHandle : res.origUsers) {
10226                            ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT,
10227                                    userHandle, installerPackageName);
10228                        }
10229                    }
10230                    // Also convey the prior install/uninstall state
10231                    if (allUsers != null && perUserInstalled != null) {
10232                        for (int i = 0; i < allUsers.length; i++) {
10233                            if (DEBUG_INSTALL) {
10234                                Slog.d(TAG, "    user " + allUsers[i]
10235                                        + " => " + perUserInstalled[i]);
10236                            }
10237                            ps.setInstalled(perUserInstalled[i], allUsers[i]);
10238                        }
10239                        // these install state changes will be persisted in the
10240                        // upcoming call to mSettings.writeLPr().
10241                    }
10242                }
10243            }
10244            res.name = pkgName;
10245            res.uid = newPackage.applicationInfo.uid;
10246            res.pkg = newPackage;
10247            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE);
10248            mSettings.setInstallerPackageName(pkgName, installerPackageName);
10249            res.returnCode = PackageManager.INSTALL_SUCCEEDED;
10250            //to update install status
10251            mSettings.writeLPr();
10252        }
10253    }
10254
10255    private void installPackageLI(InstallArgs args, boolean newInstall, PackageInstalledInfo res) {
10256        int pFlags = args.flags;
10257        String installerPackageName = args.installerPackageName;
10258        File tmpPackageFile = new File(args.getCodePath());
10259        boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0);
10260        boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0);
10261        boolean replace = false;
10262        int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE
10263                | (newInstall ? SCAN_NEW_INSTALL : 0);
10264        // Result object to be returned
10265        res.returnCode = PackageManager.INSTALL_SUCCEEDED;
10266
10267        if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile);
10268        // Retrieve PackageSettings and parse package
10269        int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY
10270                | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0)
10271                | (onSd ? PackageParser.PARSE_ON_SDCARD : 0);
10272        PackageParser pp = new PackageParser();
10273        pp.setSeparateProcesses(mSeparateProcesses);
10274        pp.setDisplayMetrics(mMetrics);
10275
10276        final PackageParser.Package pkg;
10277        try {
10278            pkg = pp.parsePackage(tmpPackageFile, parseFlags);
10279        } catch (PackageParserException e) {
10280            res.setError(e.error, "Failed parse during installPackageLI: " + e.getMessage());
10281            return;
10282        }
10283
10284        String pkgName = res.name = pkg.packageName;
10285        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) {
10286            if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) {
10287                res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI");
10288                return;
10289            }
10290        }
10291
10292        try {
10293            pp.collectCertificates(pkg, parseFlags);
10294            pp.collectManifestDigest(pkg);
10295        } catch (PackageParserException e) {
10296            res.setError(e.error, "Failed collect during installPackageLI: " + e.getMessage());
10297            return;
10298        }
10299
10300        /* If the installer passed in a manifest digest, compare it now. */
10301        if (args.manifestDigest != null) {
10302            if (DEBUG_INSTALL) {
10303                final String parsedManifest = pkg.manifestDigest == null ? "null"
10304                        : pkg.manifestDigest.toString();
10305                Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. "
10306                        + parsedManifest);
10307            }
10308
10309            if (!args.manifestDigest.equals(pkg.manifestDigest)) {
10310                res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed");
10311                return;
10312            }
10313        } else if (DEBUG_INSTALL) {
10314            final String parsedManifest = pkg.manifestDigest == null
10315                    ? "null" : pkg.manifestDigest.toString();
10316            Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest);
10317        }
10318
10319        // Get rid of all references to package scan path via parser.
10320        pp = null;
10321        String oldCodePath = null;
10322        boolean systemApp = false;
10323        synchronized (mPackages) {
10324            // Check whether the newly-scanned package wants to define an already-defined perm
10325            int N = pkg.permissions.size();
10326            for (int i = N-1; i >= 0; i--) {
10327                PackageParser.Permission perm = pkg.permissions.get(i);
10328                BasePermission bp = mSettings.mPermissions.get(perm.info.name);
10329                if (bp != null) {
10330                    // If the defining package is signed with our cert, it's okay.  This
10331                    // also includes the "updating the same package" case, of course.
10332                    if (compareSignatures(bp.packageSetting.signatures.mSignatures,
10333                            pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) {
10334                        // If the owning package is the system itself, we log but allow
10335                        // install to proceed; we fail the install on all other permission
10336                        // redefinitions.
10337                        if (!bp.sourcePackage.equals("android")) {
10338                            res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package "
10339                                    + pkg.packageName + " attempting to redeclare permission "
10340                                    + perm.info.name + " already owned by " + bp.sourcePackage);
10341                            res.origPermission = perm.info.name;
10342                            res.origPackage = bp.sourcePackage;
10343                            return;
10344                        } else {
10345                            Slog.w(TAG, "Package " + pkg.packageName
10346                                    + " attempting to redeclare system permission "
10347                                    + perm.info.name + "; ignoring new declaration");
10348                            pkg.permissions.remove(i);
10349                        }
10350                    }
10351                }
10352            }
10353
10354            // Check if installing already existing package
10355            if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
10356                String oldName = mSettings.mRenamedPackages.get(pkgName);
10357                if (pkg.mOriginalPackages != null
10358                        && pkg.mOriginalPackages.contains(oldName)
10359                        && mPackages.containsKey(oldName)) {
10360                    // This package is derived from an original package,
10361                    // and this device has been updating from that original
10362                    // name.  We must continue using the original name, so
10363                    // rename the new package here.
10364                    pkg.setPackageName(oldName);
10365                    pkgName = pkg.packageName;
10366                    replace = true;
10367                    if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName="
10368                            + oldName + " pkgName=" + pkgName);
10369                } else if (mPackages.containsKey(pkgName)) {
10370                    // This package, under its official name, already exists
10371                    // on the device; we should replace it.
10372                    replace = true;
10373                    if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName);
10374                }
10375            }
10376            PackageSetting ps = mSettings.mPackages.get(pkgName);
10377            if (ps != null) {
10378                if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps);
10379                oldCodePath = mSettings.mPackages.get(pkgName).codePathString;
10380                if (ps.pkg != null && ps.pkg.applicationInfo != null) {
10381                    systemApp = (ps.pkg.applicationInfo.flags &
10382                            ApplicationInfo.FLAG_SYSTEM) != 0;
10383                }
10384                res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
10385            }
10386        }
10387
10388        if (systemApp && onSd) {
10389            // Disable updates to system apps on sdcard
10390            res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION,
10391                    "Cannot install updates to system apps on sdcard");
10392            return;
10393        }
10394
10395        if (!args.doRename(res.returnCode, pkg, oldCodePath)) {
10396            res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename");
10397            return;
10398        }
10399
10400        if (replace) {
10401            replacePackageLI(pkg, parseFlags, scanMode, args.user,
10402                    installerPackageName, res, args.abiOverride);
10403        } else {
10404            installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user,
10405                    installerPackageName, res, args.abiOverride);
10406        }
10407        synchronized (mPackages) {
10408            final PackageSetting ps = mSettings.mPackages.get(pkgName);
10409            if (ps != null) {
10410                res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
10411            }
10412        }
10413    }
10414
10415    private static boolean isForwardLocked(PackageParser.Package pkg) {
10416        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0;
10417    }
10418
10419    private static boolean isForwardLocked(ApplicationInfo info) {
10420        return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0;
10421    }
10422
10423    private boolean isForwardLocked(PackageSetting ps) {
10424        return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0;
10425    }
10426
10427    private static boolean isMultiArch(PackageSetting ps) {
10428        return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0;
10429    }
10430
10431    private static boolean isMultiArch(ApplicationInfo info) {
10432        return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0;
10433    }
10434
10435    private static boolean isExternal(PackageParser.Package pkg) {
10436        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
10437    }
10438
10439    private static boolean isExternal(PackageSetting ps) {
10440        return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
10441    }
10442
10443    private static boolean isExternal(ApplicationInfo info) {
10444        return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
10445    }
10446
10447    private static boolean isSystemApp(PackageParser.Package pkg) {
10448        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
10449    }
10450
10451    private static boolean isPrivilegedApp(PackageParser.Package pkg) {
10452        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0;
10453    }
10454
10455    private static boolean isSystemApp(ApplicationInfo info) {
10456        return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
10457    }
10458
10459    private static boolean isSystemApp(PackageSetting ps) {
10460        return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0;
10461    }
10462
10463    private static boolean isUpdatedSystemApp(PackageSetting ps) {
10464        return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
10465    }
10466
10467    private static boolean isUpdatedSystemApp(PackageParser.Package pkg) {
10468        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
10469    }
10470
10471    private static boolean isUpdatedSystemApp(ApplicationInfo info) {
10472        return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
10473    }
10474
10475    private int packageFlagsToInstallFlags(PackageSetting ps) {
10476        int installFlags = 0;
10477        if (isExternal(ps)) {
10478            installFlags |= PackageManager.INSTALL_EXTERNAL;
10479        }
10480        if (isForwardLocked(ps)) {
10481            installFlags |= PackageManager.INSTALL_FORWARD_LOCK;
10482        }
10483        return installFlags;
10484    }
10485
10486    private void deleteTempPackageFiles() {
10487        final FilenameFilter filter = new FilenameFilter() {
10488            public boolean accept(File dir, String name) {
10489                return name.startsWith("vmdl") && name.endsWith(".tmp");
10490            }
10491        };
10492        for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) {
10493            file.delete();
10494        }
10495    }
10496
10497    @Override
10498    public void deletePackageAsUser(final String packageName,
10499                                    final IPackageDeleteObserver observer,
10500                                    final int userId, final int flags) {
10501        mContext.enforceCallingOrSelfPermission(
10502                android.Manifest.permission.DELETE_PACKAGES, null);
10503        final int uid = Binder.getCallingUid();
10504        if (UserHandle.getUserId(uid) != userId) {
10505            mContext.enforceCallingPermission(
10506                    android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
10507                    "deletePackage for user " + userId);
10508        }
10509        if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) {
10510            try {
10511                observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED);
10512            } catch (RemoteException re) {
10513            }
10514            return;
10515        }
10516
10517        boolean blocked = false;
10518        if ((flags & PackageManager.DELETE_ALL_USERS) != 0) {
10519            int[] users = sUserManager.getUserIds();
10520            for (int i = 0; i < users.length; ++i) {
10521                if (getBlockUninstallForUser(packageName, users[i])) {
10522                    blocked = true;
10523                    break;
10524                }
10525            }
10526        } else {
10527            blocked = getBlockUninstallForUser(packageName, userId);
10528        }
10529        if (blocked) {
10530            try {
10531                observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED);
10532            } catch (RemoteException re) {
10533            }
10534            return;
10535        }
10536
10537        if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId);
10538        // Queue up an async operation since the package deletion may take a little while.
10539        mHandler.post(new Runnable() {
10540            public void run() {
10541                mHandler.removeCallbacks(this);
10542                final int returnCode = deletePackageX(packageName, userId, flags);
10543                if (observer != null) {
10544                    try {
10545                        observer.packageDeleted(packageName, returnCode);
10546                    } catch (RemoteException e) {
10547                        Log.i(TAG, "Observer no longer exists.");
10548                    } //end catch
10549                } //end if
10550            } //end run
10551        });
10552    }
10553
10554    private boolean isPackageDeviceAdmin(String packageName, int userId) {
10555        IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface(
10556                ServiceManager.getService(Context.DEVICE_POLICY_SERVICE));
10557        try {
10558            if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId)
10559                    || dpm.isDeviceOwner(packageName))) {
10560                return true;
10561            }
10562        } catch (RemoteException e) {
10563        }
10564        return false;
10565    }
10566
10567    /**
10568     *  This method is an internal method that could be get invoked either
10569     *  to delete an installed package or to clean up a failed installation.
10570     *  After deleting an installed package, a broadcast is sent to notify any
10571     *  listeners that the package has been installed. For cleaning up a failed
10572     *  installation, the broadcast is not necessary since the package's
10573     *  installation wouldn't have sent the initial broadcast either
10574     *  The key steps in deleting a package are
10575     *  deleting the package information in internal structures like mPackages,
10576     *  deleting the packages base directories through installd
10577     *  updating mSettings to reflect current status
10578     *  persisting settings for later use
10579     *  sending a broadcast if necessary
10580     */
10581    private int deletePackageX(String packageName, int userId, int flags) {
10582        final PackageRemovedInfo info = new PackageRemovedInfo();
10583        final boolean res;
10584
10585        if (isPackageDeviceAdmin(packageName, userId)) {
10586            Slog.w(TAG, "Not removing package " + packageName + ": has active device admin");
10587            return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER;
10588        }
10589
10590        boolean removedForAllUsers = false;
10591        boolean systemUpdate = false;
10592
10593        // for the uninstall-updates case and restricted profiles, remember the per-
10594        // userhandle installed state
10595        int[] allUsers;
10596        boolean[] perUserInstalled;
10597        synchronized (mPackages) {
10598            PackageSetting ps = mSettings.mPackages.get(packageName);
10599            allUsers = sUserManager.getUserIds();
10600            perUserInstalled = new boolean[allUsers.length];
10601            for (int i = 0; i < allUsers.length; i++) {
10602                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
10603            }
10604        }
10605
10606        synchronized (mInstallLock) {
10607            if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId);
10608            res = deletePackageLI(packageName,
10609                    (flags & PackageManager.DELETE_ALL_USERS) != 0
10610                            ? UserHandle.ALL : new UserHandle(userId),
10611                    true, allUsers, perUserInstalled,
10612                    flags | REMOVE_CHATTY, info, true);
10613            systemUpdate = info.isRemovedPackageSystemUpdate;
10614            if (res && !systemUpdate && mPackages.get(packageName) == null) {
10615                removedForAllUsers = true;
10616            }
10617            if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate
10618                    + " removedForAllUsers=" + removedForAllUsers);
10619        }
10620
10621        if (res) {
10622            info.sendBroadcast(true, systemUpdate, removedForAllUsers);
10623
10624            // If the removed package was a system update, the old system package
10625            // was re-enabled; we need to broadcast this information
10626            if (systemUpdate) {
10627                Bundle extras = new Bundle(1);
10628                extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0
10629                        ? info.removedAppId : info.uid);
10630                extras.putBoolean(Intent.EXTRA_REPLACING, true);
10631
10632                sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName,
10633                        extras, null, null, null);
10634                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName,
10635                        extras, null, null, null);
10636                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null,
10637                        null, packageName, null, null);
10638            }
10639        }
10640        // Force a gc here.
10641        Runtime.getRuntime().gc();
10642        // Delete the resources here after sending the broadcast to let
10643        // other processes clean up before deleting resources.
10644        if (info.args != null) {
10645            synchronized (mInstallLock) {
10646                info.args.doPostDeleteLI(true);
10647            }
10648        }
10649
10650        return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR;
10651    }
10652
10653    static class PackageRemovedInfo {
10654        String removedPackage;
10655        int uid = -1;
10656        int removedAppId = -1;
10657        int[] removedUsers = null;
10658        boolean isRemovedPackageSystemUpdate = false;
10659        // Clean up resources deleted packages.
10660        InstallArgs args = null;
10661
10662        void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) {
10663            Bundle extras = new Bundle(1);
10664            extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid);
10665            extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove);
10666            if (replacing) {
10667                extras.putBoolean(Intent.EXTRA_REPLACING, true);
10668            }
10669            extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers);
10670            if (removedPackage != null) {
10671                sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
10672                        extras, null, null, removedUsers);
10673                if (fullRemove && !replacing) {
10674                    sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage,
10675                            extras, null, null, removedUsers);
10676                }
10677            }
10678            if (removedAppId >= 0) {
10679                sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null,
10680                        removedUsers);
10681            }
10682        }
10683    }
10684
10685    /*
10686     * This method deletes the package from internal data structures. If the DONT_DELETE_DATA
10687     * flag is not set, the data directory is removed as well.
10688     * make sure this flag is set for partially installed apps. If not its meaningless to
10689     * delete a partially installed application.
10690     */
10691    private void removePackageDataLI(PackageSetting ps,
10692            int[] allUserHandles, boolean[] perUserInstalled,
10693            PackageRemovedInfo outInfo, int flags, boolean writeSettings) {
10694        String packageName = ps.name;
10695        if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps);
10696        removePackageLI(ps, (flags&REMOVE_CHATTY) != 0);
10697        // Retrieve object to delete permissions for shared user later on
10698        final PackageSetting deletedPs;
10699        // reader
10700        synchronized (mPackages) {
10701            deletedPs = mSettings.mPackages.get(packageName);
10702            if (outInfo != null) {
10703                outInfo.removedPackage = packageName;
10704                outInfo.removedUsers = deletedPs != null
10705                        ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true)
10706                        : null;
10707            }
10708        }
10709        if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
10710            removeDataDirsLI(packageName);
10711            schedulePackageCleaning(packageName, UserHandle.USER_ALL, true);
10712        }
10713        // writer
10714        synchronized (mPackages) {
10715            if (deletedPs != null) {
10716                if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
10717                    if (outInfo != null) {
10718                        mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName);
10719                        outInfo.removedAppId = mSettings.removePackageLPw(packageName);
10720                    }
10721                    if (deletedPs != null) {
10722                        updatePermissionsLPw(deletedPs.name, null, 0);
10723                        if (deletedPs.sharedUser != null) {
10724                            // remove permissions associated with package
10725                            mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids);
10726                        }
10727                    }
10728                    clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL);
10729                }
10730                // make sure to preserve per-user disabled state if this removal was just
10731                // a downgrade of a system app to the factory package
10732                if (allUserHandles != null && perUserInstalled != null) {
10733                    if (DEBUG_REMOVE) {
10734                        Slog.d(TAG, "Propagating install state across downgrade");
10735                    }
10736                    for (int i = 0; i < allUserHandles.length; i++) {
10737                        if (DEBUG_REMOVE) {
10738                            Slog.d(TAG, "    user " + allUserHandles[i]
10739                                    + " => " + perUserInstalled[i]);
10740                        }
10741                        ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
10742                    }
10743                }
10744            }
10745            // can downgrade to reader
10746            if (writeSettings) {
10747                // Save settings now
10748                mSettings.writeLPr();
10749            }
10750        }
10751        if (outInfo != null) {
10752            // A user ID was deleted here. Go through all users and remove it
10753            // from KeyStore.
10754            removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId);
10755        }
10756    }
10757
10758    static boolean locationIsPrivileged(File path) {
10759        try {
10760            final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app")
10761                    .getCanonicalPath();
10762            return path.getCanonicalPath().startsWith(privilegedAppDir);
10763        } catch (IOException e) {
10764            Slog.e(TAG, "Unable to access code path " + path);
10765        }
10766        return false;
10767    }
10768
10769    /*
10770     * Tries to delete system package.
10771     */
10772    private boolean deleteSystemPackageLI(PackageSetting newPs,
10773            int[] allUserHandles, boolean[] perUserInstalled,
10774            int flags, PackageRemovedInfo outInfo, boolean writeSettings) {
10775        final boolean applyUserRestrictions
10776                = (allUserHandles != null) && (perUserInstalled != null);
10777        PackageSetting disabledPs = null;
10778        // Confirm if the system package has been updated
10779        // An updated system app can be deleted. This will also have to restore
10780        // the system pkg from system partition
10781        // reader
10782        synchronized (mPackages) {
10783            disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name);
10784        }
10785        if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs
10786                + " disabledPs=" + disabledPs);
10787        if (disabledPs == null) {
10788            Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name);
10789            return false;
10790        } else if (DEBUG_REMOVE) {
10791            Slog.d(TAG, "Deleting system pkg from data partition");
10792        }
10793        if (DEBUG_REMOVE) {
10794            if (applyUserRestrictions) {
10795                Slog.d(TAG, "Remembering install states:");
10796                for (int i = 0; i < allUserHandles.length; i++) {
10797                    Slog.d(TAG, "   u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]);
10798                }
10799            }
10800        }
10801        // Delete the updated package
10802        outInfo.isRemovedPackageSystemUpdate = true;
10803        if (disabledPs.versionCode < newPs.versionCode) {
10804            // Delete data for downgrades
10805            flags &= ~PackageManager.DELETE_KEEP_DATA;
10806        } else {
10807            // Preserve data by setting flag
10808            flags |= PackageManager.DELETE_KEEP_DATA;
10809        }
10810        boolean ret = deleteInstalledPackageLI(newPs, true, flags,
10811                allUserHandles, perUserInstalled, outInfo, writeSettings);
10812        if (!ret) {
10813            return false;
10814        }
10815        // writer
10816        synchronized (mPackages) {
10817            // Reinstate the old system package
10818            mSettings.enableSystemPackageLPw(newPs.name);
10819            // Remove any native libraries from the upgraded package.
10820            NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString);
10821        }
10822        // Install the system package
10823        if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs);
10824        int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM;
10825        if (locationIsPrivileged(disabledPs.codePath)) {
10826            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
10827        }
10828
10829        final PackageParser.Package newPkg;
10830        try {
10831            newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0,
10832                    null, null);
10833        } catch (PackageManagerException e) {
10834            Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage());
10835            return false;
10836        }
10837
10838        // writer
10839        synchronized (mPackages) {
10840            PackageSetting ps = mSettings.mPackages.get(newPkg.packageName);
10841            setBundledAppAbisAndRoots(newPkg, ps);
10842            updatePermissionsLPw(newPkg.packageName, newPkg,
10843                    UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG);
10844            if (applyUserRestrictions) {
10845                if (DEBUG_REMOVE) {
10846                    Slog.d(TAG, "Propagating install state across reinstall");
10847                }
10848                for (int i = 0; i < allUserHandles.length; i++) {
10849                    if (DEBUG_REMOVE) {
10850                        Slog.d(TAG, "    user " + allUserHandles[i]
10851                                + " => " + perUserInstalled[i]);
10852                    }
10853                    ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
10854                }
10855                // Regardless of writeSettings we need to ensure that this restriction
10856                // state propagation is persisted
10857                mSettings.writeAllUsersPackageRestrictionsLPr();
10858            }
10859            // can downgrade to reader here
10860            if (writeSettings) {
10861                mSettings.writeLPr();
10862            }
10863        }
10864        return true;
10865    }
10866
10867    private boolean deleteInstalledPackageLI(PackageSetting ps,
10868            boolean deleteCodeAndResources, int flags,
10869            int[] allUserHandles, boolean[] perUserInstalled,
10870            PackageRemovedInfo outInfo, boolean writeSettings) {
10871        if (outInfo != null) {
10872            outInfo.uid = ps.appId;
10873        }
10874
10875        // Delete package data from internal structures and also remove data if flag is set
10876        removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings);
10877
10878        // Delete application code and resources
10879        if (deleteCodeAndResources && (outInfo != null)) {
10880            outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
10881                    ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString,
10882                    getAppDexInstructionSets(ps), isMultiArch(ps));
10883        }
10884        return true;
10885    }
10886
10887    @Override
10888    public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall,
10889            int userId) {
10890        mContext.enforceCallingOrSelfPermission(
10891                android.Manifest.permission.DELETE_PACKAGES, null);
10892        synchronized (mPackages) {
10893            PackageSetting ps = mSettings.mPackages.get(packageName);
10894            if (ps == null) {
10895                Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName);
10896                return false;
10897            }
10898            if (!ps.getInstalled(userId)) {
10899                // Can't block uninstall for an app that is not installed or enabled.
10900                Log.i(TAG, "Package not installed in set block uninstall " + packageName);
10901                return false;
10902            }
10903            ps.setBlockUninstall(blockUninstall, userId);
10904            mSettings.writePackageRestrictionsLPr(userId);
10905        }
10906        return true;
10907    }
10908
10909    @Override
10910    public boolean getBlockUninstallForUser(String packageName, int userId) {
10911        synchronized (mPackages) {
10912            PackageSetting ps = mSettings.mPackages.get(packageName);
10913            if (ps == null) {
10914                Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName);
10915                return false;
10916            }
10917            return ps.getBlockUninstall(userId);
10918        }
10919    }
10920
10921    /*
10922     * This method handles package deletion in general
10923     */
10924    private boolean deletePackageLI(String packageName, UserHandle user,
10925            boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled,
10926            int flags, PackageRemovedInfo outInfo,
10927            boolean writeSettings) {
10928        if (packageName == null) {
10929            Slog.w(TAG, "Attempt to delete null packageName.");
10930            return false;
10931        }
10932        if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user);
10933        PackageSetting ps;
10934        boolean dataOnly = false;
10935        int removeUser = -1;
10936        int appId = -1;
10937        synchronized (mPackages) {
10938            ps = mSettings.mPackages.get(packageName);
10939            if (ps == null) {
10940                Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
10941                return false;
10942            }
10943            if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null
10944                    && user.getIdentifier() != UserHandle.USER_ALL) {
10945                // The caller is asking that the package only be deleted for a single
10946                // user.  To do this, we just mark its uninstalled state and delete
10947                // its data.  If this is a system app, we only allow this to happen if
10948                // they have set the special DELETE_SYSTEM_APP which requests different
10949                // semantics than normal for uninstalling system apps.
10950                if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user");
10951                ps.setUserState(user.getIdentifier(),
10952                        COMPONENT_ENABLED_STATE_DEFAULT,
10953                        false, //installed
10954                        true,  //stopped
10955                        true,  //notLaunched
10956                        false, //blocked
10957                        null, null, null,
10958                        false // blockUninstall
10959                        );
10960                if (!isSystemApp(ps)) {
10961                    if (ps.isAnyInstalled(sUserManager.getUserIds())) {
10962                        // Other user still have this package installed, so all
10963                        // we need to do is clear this user's data and save that
10964                        // it is uninstalled.
10965                        if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users");
10966                        removeUser = user.getIdentifier();
10967                        appId = ps.appId;
10968                        mSettings.writePackageRestrictionsLPr(removeUser);
10969                    } else {
10970                        // We need to set it back to 'installed' so the uninstall
10971                        // broadcasts will be sent correctly.
10972                        if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete");
10973                        ps.setInstalled(true, user.getIdentifier());
10974                    }
10975                } else {
10976                    // This is a system app, so we assume that the
10977                    // other users still have this package installed, so all
10978                    // we need to do is clear this user's data and save that
10979                    // it is uninstalled.
10980                    if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app");
10981                    removeUser = user.getIdentifier();
10982                    appId = ps.appId;
10983                    mSettings.writePackageRestrictionsLPr(removeUser);
10984                }
10985            }
10986        }
10987
10988        if (removeUser >= 0) {
10989            // From above, we determined that we are deleting this only
10990            // for a single user.  Continue the work here.
10991            if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser);
10992            if (outInfo != null) {
10993                outInfo.removedPackage = packageName;
10994                outInfo.removedAppId = appId;
10995                outInfo.removedUsers = new int[] {removeUser};
10996            }
10997            mInstaller.clearUserData(packageName, removeUser);
10998            removeKeystoreDataIfNeeded(removeUser, appId);
10999            schedulePackageCleaning(packageName, removeUser, false);
11000            return true;
11001        }
11002
11003        if (dataOnly) {
11004            // Delete application data first
11005            if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only");
11006            removePackageDataLI(ps, null, null, outInfo, flags, writeSettings);
11007            return true;
11008        }
11009
11010        boolean ret = false;
11011        if (isSystemApp(ps)) {
11012            if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name);
11013            // When an updated system application is deleted we delete the existing resources as well and
11014            // fall back to existing code in system partition
11015            ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled,
11016                    flags, outInfo, writeSettings);
11017        } else {
11018            if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name);
11019            // Kill application pre-emptively especially for apps on sd.
11020            killApplication(packageName, ps.appId, "uninstall pkg");
11021            ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags,
11022                    allUserHandles, perUserInstalled,
11023                    outInfo, writeSettings);
11024        }
11025
11026        return ret;
11027    }
11028
11029    private final class ClearStorageConnection implements ServiceConnection {
11030        IMediaContainerService mContainerService;
11031
11032        @Override
11033        public void onServiceConnected(ComponentName name, IBinder service) {
11034            synchronized (this) {
11035                mContainerService = IMediaContainerService.Stub.asInterface(service);
11036                notifyAll();
11037            }
11038        }
11039
11040        @Override
11041        public void onServiceDisconnected(ComponentName name) {
11042        }
11043    }
11044
11045    private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) {
11046        final boolean mounted;
11047        if (Environment.isExternalStorageEmulated()) {
11048            mounted = true;
11049        } else {
11050            final String status = Environment.getExternalStorageState();
11051
11052            mounted = status.equals(Environment.MEDIA_MOUNTED)
11053                    || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY);
11054        }
11055
11056        if (!mounted) {
11057            return;
11058        }
11059
11060        final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
11061        int[] users;
11062        if (userId == UserHandle.USER_ALL) {
11063            users = sUserManager.getUserIds();
11064        } else {
11065            users = new int[] { userId };
11066        }
11067        final ClearStorageConnection conn = new ClearStorageConnection();
11068        if (mContext.bindServiceAsUser(
11069                containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) {
11070            try {
11071                for (int curUser : users) {
11072                    long timeout = SystemClock.uptimeMillis() + 5000;
11073                    synchronized (conn) {
11074                        long now = SystemClock.uptimeMillis();
11075                        while (conn.mContainerService == null && now < timeout) {
11076                            try {
11077                                conn.wait(timeout - now);
11078                            } catch (InterruptedException e) {
11079                            }
11080                        }
11081                    }
11082                    if (conn.mContainerService == null) {
11083                        return;
11084                    }
11085
11086                    final UserEnvironment userEnv = new UserEnvironment(curUser);
11087                    clearDirectory(conn.mContainerService,
11088                            userEnv.buildExternalStorageAppCacheDirs(packageName));
11089                    if (allData) {
11090                        clearDirectory(conn.mContainerService,
11091                                userEnv.buildExternalStorageAppDataDirs(packageName));
11092                        clearDirectory(conn.mContainerService,
11093                                userEnv.buildExternalStorageAppMediaDirs(packageName));
11094                    }
11095                }
11096            } finally {
11097                mContext.unbindService(conn);
11098            }
11099        }
11100    }
11101
11102    @Override
11103    public void clearApplicationUserData(final String packageName,
11104            final IPackageDataObserver observer, final int userId) {
11105        mContext.enforceCallingOrSelfPermission(
11106                android.Manifest.permission.CLEAR_APP_USER_DATA, null);
11107        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data");
11108        // Queue up an async operation since the package deletion may take a little while.
11109        mHandler.post(new Runnable() {
11110            public void run() {
11111                mHandler.removeCallbacks(this);
11112                final boolean succeeded;
11113                synchronized (mInstallLock) {
11114                    succeeded = clearApplicationUserDataLI(packageName, userId);
11115                }
11116                clearExternalStorageDataSync(packageName, userId, true);
11117                if (succeeded) {
11118                    // invoke DeviceStorageMonitor's update method to clear any notifications
11119                    DeviceStorageMonitorInternal
11120                            dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
11121                    if (dsm != null) {
11122                        dsm.checkMemory();
11123                    }
11124                }
11125                if(observer != null) {
11126                    try {
11127                        observer.onRemoveCompleted(packageName, succeeded);
11128                    } catch (RemoteException e) {
11129                        Log.i(TAG, "Observer no longer exists.");
11130                    }
11131                } //end if observer
11132            } //end run
11133        });
11134    }
11135
11136    private boolean clearApplicationUserDataLI(String packageName, int userId) {
11137        if (packageName == null) {
11138            Slog.w(TAG, "Attempt to delete null packageName.");
11139            return false;
11140        }
11141        PackageParser.Package p;
11142        boolean dataOnly = false;
11143        final int appId;
11144        synchronized (mPackages) {
11145            p = mPackages.get(packageName);
11146            if (p == null) {
11147                dataOnly = true;
11148                PackageSetting ps = mSettings.mPackages.get(packageName);
11149                if ((ps == null) || (ps.pkg == null)) {
11150                    Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
11151                    return false;
11152                }
11153                p = ps.pkg;
11154            }
11155            if (!dataOnly) {
11156                // need to check this only for fully installed applications
11157                if (p == null) {
11158                    Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
11159                    return false;
11160                }
11161                final ApplicationInfo applicationInfo = p.applicationInfo;
11162                if (applicationInfo == null) {
11163                    Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
11164                    return false;
11165                }
11166            }
11167            if (p != null && p.applicationInfo != null) {
11168                appId = p.applicationInfo.uid;
11169            } else {
11170                appId = -1;
11171            }
11172        }
11173        int retCode = mInstaller.clearUserData(packageName, userId);
11174        if (retCode < 0) {
11175            Slog.w(TAG, "Couldn't remove cache files for package: "
11176                    + packageName);
11177            return false;
11178        }
11179        removeKeystoreDataIfNeeded(userId, appId);
11180        return true;
11181    }
11182
11183    /**
11184     * Remove entries from the keystore daemon. Will only remove it if the
11185     * {@code appId} is valid.
11186     */
11187    private static void removeKeystoreDataIfNeeded(int userId, int appId) {
11188        if (appId < 0) {
11189            return;
11190        }
11191
11192        final KeyStore keyStore = KeyStore.getInstance();
11193        if (keyStore != null) {
11194            if (userId == UserHandle.USER_ALL) {
11195                for (final int individual : sUserManager.getUserIds()) {
11196                    keyStore.clearUid(UserHandle.getUid(individual, appId));
11197                }
11198            } else {
11199                keyStore.clearUid(UserHandle.getUid(userId, appId));
11200            }
11201        } else {
11202            Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId);
11203        }
11204    }
11205
11206    @Override
11207    public void deleteApplicationCacheFiles(final String packageName,
11208            final IPackageDataObserver observer) {
11209        mContext.enforceCallingOrSelfPermission(
11210                android.Manifest.permission.DELETE_CACHE_FILES, null);
11211        // Queue up an async operation since the package deletion may take a little while.
11212        final int userId = UserHandle.getCallingUserId();
11213        mHandler.post(new Runnable() {
11214            public void run() {
11215                mHandler.removeCallbacks(this);
11216                final boolean succeded;
11217                synchronized (mInstallLock) {
11218                    succeded = deleteApplicationCacheFilesLI(packageName, userId);
11219                }
11220                clearExternalStorageDataSync(packageName, userId, false);
11221                if(observer != null) {
11222                    try {
11223                        observer.onRemoveCompleted(packageName, succeded);
11224                    } catch (RemoteException e) {
11225                        Log.i(TAG, "Observer no longer exists.");
11226                    }
11227                } //end if observer
11228            } //end run
11229        });
11230    }
11231
11232    private boolean deleteApplicationCacheFilesLI(String packageName, int userId) {
11233        if (packageName == null) {
11234            Slog.w(TAG, "Attempt to delete null packageName.");
11235            return false;
11236        }
11237        PackageParser.Package p;
11238        synchronized (mPackages) {
11239            p = mPackages.get(packageName);
11240        }
11241        if (p == null) {
11242            Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
11243            return false;
11244        }
11245        final ApplicationInfo applicationInfo = p.applicationInfo;
11246        if (applicationInfo == null) {
11247            Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
11248            return false;
11249        }
11250        int retCode = mInstaller.deleteCacheFiles(packageName, userId);
11251        if (retCode < 0) {
11252            Slog.w(TAG, "Couldn't remove cache files for package: "
11253                       + packageName + " u" + userId);
11254            return false;
11255        }
11256        return true;
11257    }
11258
11259    @Override
11260    public void getPackageSizeInfo(final String packageName, int userHandle,
11261            final IPackageStatsObserver observer) {
11262        mContext.enforceCallingOrSelfPermission(
11263                android.Manifest.permission.GET_PACKAGE_SIZE, null);
11264        if (packageName == null) {
11265            throw new IllegalArgumentException("Attempt to get size of null packageName");
11266        }
11267
11268        PackageStats stats = new PackageStats(packageName, userHandle);
11269
11270        /*
11271         * Queue up an async operation since the package measurement may take a
11272         * little while.
11273         */
11274        Message msg = mHandler.obtainMessage(INIT_COPY);
11275        msg.obj = new MeasureParams(stats, observer);
11276        mHandler.sendMessage(msg);
11277    }
11278
11279    private boolean getPackageSizeInfoLI(String packageName, int userHandle,
11280            PackageStats pStats) {
11281        if (packageName == null) {
11282            Slog.w(TAG, "Attempt to get size of null packageName.");
11283            return false;
11284        }
11285        PackageParser.Package p;
11286        boolean dataOnly = false;
11287        String libDirRoot = null;
11288        String asecPath = null;
11289        PackageSetting ps = null;
11290        synchronized (mPackages) {
11291            p = mPackages.get(packageName);
11292            ps = mSettings.mPackages.get(packageName);
11293            if(p == null) {
11294                dataOnly = true;
11295                if((ps == null) || (ps.pkg == null)) {
11296                    Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
11297                    return false;
11298                }
11299                p = ps.pkg;
11300            }
11301            if (ps != null) {
11302                libDirRoot = ps.legacyNativeLibraryPathString;
11303            }
11304            if (p != null && (isExternal(p) || isForwardLocked(p))) {
11305                String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath());
11306                if (secureContainerId != null) {
11307                    asecPath = PackageHelper.getSdFilesystem(secureContainerId);
11308                }
11309            }
11310        }
11311        String publicSrcDir = null;
11312        if(!dataOnly) {
11313            final ApplicationInfo applicationInfo = p.applicationInfo;
11314            if (applicationInfo == null) {
11315                Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
11316                return false;
11317            }
11318            if (isForwardLocked(p)) {
11319                publicSrcDir = applicationInfo.getBaseResourcePath();
11320            }
11321        }
11322        // TODO: extend to measure size of split APKs
11323        // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree,
11324        // not just the first level.
11325        // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not
11326        // just the primary.
11327        int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot,
11328                publicSrcDir, asecPath, getAppDexInstructionSets(ps),
11329                pStats);
11330        if (res < 0) {
11331            return false;
11332        }
11333
11334        // Fix-up for forward-locked applications in ASEC containers.
11335        if (!isExternal(p)) {
11336            pStats.codeSize += pStats.externalCodeSize;
11337            pStats.externalCodeSize = 0L;
11338        }
11339
11340        return true;
11341    }
11342
11343
11344    @Override
11345    public void addPackageToPreferred(String packageName) {
11346        Slog.w(TAG, "addPackageToPreferred: this is now a no-op");
11347    }
11348
11349    @Override
11350    public void removePackageFromPreferred(String packageName) {
11351        Slog.w(TAG, "removePackageFromPreferred: this is now a no-op");
11352    }
11353
11354    @Override
11355    public List<PackageInfo> getPreferredPackages(int flags) {
11356        return new ArrayList<PackageInfo>();
11357    }
11358
11359    private int getUidTargetSdkVersionLockedLPr(int uid) {
11360        Object obj = mSettings.getUserIdLPr(uid);
11361        if (obj instanceof SharedUserSetting) {
11362            final SharedUserSetting sus = (SharedUserSetting) obj;
11363            int vers = Build.VERSION_CODES.CUR_DEVELOPMENT;
11364            final Iterator<PackageSetting> it = sus.packages.iterator();
11365            while (it.hasNext()) {
11366                final PackageSetting ps = it.next();
11367                if (ps.pkg != null) {
11368                    int v = ps.pkg.applicationInfo.targetSdkVersion;
11369                    if (v < vers) vers = v;
11370                }
11371            }
11372            return vers;
11373        } else if (obj instanceof PackageSetting) {
11374            final PackageSetting ps = (PackageSetting) obj;
11375            if (ps.pkg != null) {
11376                return ps.pkg.applicationInfo.targetSdkVersion;
11377            }
11378        }
11379        return Build.VERSION_CODES.CUR_DEVELOPMENT;
11380    }
11381
11382    @Override
11383    public void addPreferredActivity(IntentFilter filter, int match,
11384            ComponentName[] set, ComponentName activity, int userId) {
11385        addPreferredActivityInternal(filter, match, set, activity, true, userId);
11386    }
11387
11388    private void addPreferredActivityInternal(IntentFilter filter, int match,
11389            ComponentName[] set, ComponentName activity, boolean always, int userId) {
11390        // writer
11391        int callingUid = Binder.getCallingUid();
11392        enforceCrossUserPermission(callingUid, userId, true, "add preferred activity");
11393        if (filter.countActions() == 0) {
11394            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
11395            return;
11396        }
11397        synchronized (mPackages) {
11398            if (mContext.checkCallingOrSelfPermission(
11399                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
11400                    != PackageManager.PERMISSION_GRANTED) {
11401                if (getUidTargetSdkVersionLockedLPr(callingUid)
11402                        < Build.VERSION_CODES.FROYO) {
11403                    Slog.w(TAG, "Ignoring addPreferredActivity() from uid "
11404                            + callingUid);
11405                    return;
11406                }
11407                mContext.enforceCallingOrSelfPermission(
11408                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11409            }
11410
11411            Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :");
11412            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
11413            mSettings.editPreferredActivitiesLPw(userId).addFilter(
11414                    new PreferredActivity(filter, match, set, activity, always));
11415            mSettings.writePackageRestrictionsLPr(userId);
11416        }
11417    }
11418
11419    @Override
11420    public void replacePreferredActivity(IntentFilter filter, int match,
11421            ComponentName[] set, ComponentName activity) {
11422        if (filter.countActions() != 1) {
11423            throw new IllegalArgumentException(
11424                    "replacePreferredActivity expects filter to have only 1 action.");
11425        }
11426        if (filter.countDataAuthorities() != 0
11427                || filter.countDataPaths() != 0
11428                || filter.countDataSchemes() > 1
11429                || filter.countDataTypes() != 0) {
11430            throw new IllegalArgumentException(
11431                    "replacePreferredActivity expects filter to have no data authorities, " +
11432                    "paths, or types; and at most one scheme.");
11433        }
11434        synchronized (mPackages) {
11435            if (mContext.checkCallingOrSelfPermission(
11436                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
11437                    != PackageManager.PERMISSION_GRANTED) {
11438                if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid())
11439                        < Build.VERSION_CODES.FROYO) {
11440                    Slog.w(TAG, "Ignoring replacePreferredActivity() from uid "
11441                            + Binder.getCallingUid());
11442                    return;
11443                }
11444                mContext.enforceCallingOrSelfPermission(
11445                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11446            }
11447
11448            final int callingUserId = UserHandle.getCallingUserId();
11449            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId);
11450            if (pir != null) {
11451                Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0));
11452                if (filter.countDataSchemes() == 1) {
11453                    Uri.Builder builder = new Uri.Builder();
11454                    builder.scheme(filter.getDataScheme(0));
11455                    intent.setData(builder.build());
11456                }
11457                List<PreferredActivity> matches = pir.queryIntent(
11458                        intent, null, true, callingUserId);
11459                if (DEBUG_PREFERRED) {
11460                    Slog.i(TAG, matches.size() + " preferred matches for " + intent);
11461                }
11462                for (int i = 0; i < matches.size(); i++) {
11463                    PreferredActivity pa = matches.get(i);
11464                    if (DEBUG_PREFERRED) {
11465                        Slog.i(TAG, "Removing preferred activity "
11466                                + pa.mPref.mComponent + ":");
11467                        filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
11468                    }
11469                    pir.removeFilter(pa);
11470                }
11471            }
11472            addPreferredActivityInternal(filter, match, set, activity, true, callingUserId);
11473        }
11474    }
11475
11476    @Override
11477    public void clearPackagePreferredActivities(String packageName) {
11478        final int uid = Binder.getCallingUid();
11479        // writer
11480        synchronized (mPackages) {
11481            PackageParser.Package pkg = mPackages.get(packageName);
11482            if (pkg == null || pkg.applicationInfo.uid != uid) {
11483                if (mContext.checkCallingOrSelfPermission(
11484                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
11485                        != PackageManager.PERMISSION_GRANTED) {
11486                    if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid())
11487                            < Build.VERSION_CODES.FROYO) {
11488                        Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid "
11489                                + Binder.getCallingUid());
11490                        return;
11491                    }
11492                    mContext.enforceCallingOrSelfPermission(
11493                            android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11494                }
11495            }
11496
11497            int user = UserHandle.getCallingUserId();
11498            if (clearPackagePreferredActivitiesLPw(packageName, user)) {
11499                mSettings.writePackageRestrictionsLPr(user);
11500                scheduleWriteSettingsLocked();
11501            }
11502        }
11503    }
11504
11505    /** This method takes a specific user id as well as UserHandle.USER_ALL. */
11506    boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) {
11507        ArrayList<PreferredActivity> removed = null;
11508        boolean changed = false;
11509        for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
11510            final int thisUserId = mSettings.mPreferredActivities.keyAt(i);
11511            PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
11512            if (userId != UserHandle.USER_ALL && userId != thisUserId) {
11513                continue;
11514            }
11515            Iterator<PreferredActivity> it = pir.filterIterator();
11516            while (it.hasNext()) {
11517                PreferredActivity pa = it.next();
11518                // Mark entry for removal only if it matches the package name
11519                // and the entry is of type "always".
11520                if (packageName == null ||
11521                        (pa.mPref.mComponent.getPackageName().equals(packageName)
11522                                && pa.mPref.mAlways)) {
11523                    if (removed == null) {
11524                        removed = new ArrayList<PreferredActivity>();
11525                    }
11526                    removed.add(pa);
11527                }
11528            }
11529            if (removed != null) {
11530                for (int j=0; j<removed.size(); j++) {
11531                    PreferredActivity pa = removed.get(j);
11532                    pir.removeFilter(pa);
11533                }
11534                changed = true;
11535            }
11536        }
11537        return changed;
11538    }
11539
11540    @Override
11541    public void resetPreferredActivities(int userId) {
11542        mContext.enforceCallingOrSelfPermission(
11543                android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11544        // writer
11545        synchronized (mPackages) {
11546            int user = UserHandle.getCallingUserId();
11547            clearPackagePreferredActivitiesLPw(null, user);
11548            mSettings.readDefaultPreferredAppsLPw(this, user);
11549            mSettings.writePackageRestrictionsLPr(user);
11550            scheduleWriteSettingsLocked();
11551        }
11552    }
11553
11554    @Override
11555    public int getPreferredActivities(List<IntentFilter> outFilters,
11556            List<ComponentName> outActivities, String packageName) {
11557
11558        int num = 0;
11559        final int userId = UserHandle.getCallingUserId();
11560        // reader
11561        synchronized (mPackages) {
11562            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
11563            if (pir != null) {
11564                final Iterator<PreferredActivity> it = pir.filterIterator();
11565                while (it.hasNext()) {
11566                    final PreferredActivity pa = it.next();
11567                    if (packageName == null
11568                            || (pa.mPref.mComponent.getPackageName().equals(packageName)
11569                                    && pa.mPref.mAlways)) {
11570                        if (outFilters != null) {
11571                            outFilters.add(new IntentFilter(pa));
11572                        }
11573                        if (outActivities != null) {
11574                            outActivities.add(pa.mPref.mComponent);
11575                        }
11576                    }
11577                }
11578            }
11579        }
11580
11581        return num;
11582    }
11583
11584    @Override
11585    public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity,
11586            int userId) {
11587        int callingUid = Binder.getCallingUid();
11588        if (callingUid != Process.SYSTEM_UID) {
11589            throw new SecurityException(
11590                    "addPersistentPreferredActivity can only be run by the system");
11591        }
11592        if (filter.countActions() == 0) {
11593            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
11594            return;
11595        }
11596        synchronized (mPackages) {
11597            Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId +
11598                    " :");
11599            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
11600            mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter(
11601                    new PersistentPreferredActivity(filter, activity));
11602            mSettings.writePackageRestrictionsLPr(userId);
11603        }
11604    }
11605
11606    @Override
11607    public void clearPackagePersistentPreferredActivities(String packageName, int userId) {
11608        int callingUid = Binder.getCallingUid();
11609        if (callingUid != Process.SYSTEM_UID) {
11610            throw new SecurityException(
11611                    "clearPackagePersistentPreferredActivities can only be run by the system");
11612        }
11613        ArrayList<PersistentPreferredActivity> removed = null;
11614        boolean changed = false;
11615        synchronized (mPackages) {
11616            for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) {
11617                final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i);
11618                PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
11619                        .valueAt(i);
11620                if (userId != thisUserId) {
11621                    continue;
11622                }
11623                Iterator<PersistentPreferredActivity> it = ppir.filterIterator();
11624                while (it.hasNext()) {
11625                    PersistentPreferredActivity ppa = it.next();
11626                    // Mark entry for removal only if it matches the package name.
11627                    if (ppa.mComponent.getPackageName().equals(packageName)) {
11628                        if (removed == null) {
11629                            removed = new ArrayList<PersistentPreferredActivity>();
11630                        }
11631                        removed.add(ppa);
11632                    }
11633                }
11634                if (removed != null) {
11635                    for (int j=0; j<removed.size(); j++) {
11636                        PersistentPreferredActivity ppa = removed.get(j);
11637                        ppir.removeFilter(ppa);
11638                    }
11639                    changed = true;
11640                }
11641            }
11642
11643            if (changed) {
11644                mSettings.writePackageRestrictionsLPr(userId);
11645            }
11646        }
11647    }
11648
11649    @Override
11650    public void addCrossProfileIntentFilter(IntentFilter intentFilter, int sourceUserId,
11651            int targetUserId, int flags) {
11652        mContext.enforceCallingOrSelfPermission(
11653                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
11654        if (intentFilter.countActions() == 0) {
11655            Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions");
11656            return;
11657        }
11658        synchronized (mPackages) {
11659            CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter,
11660                    targetUserId, flags);
11661            mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter);
11662            mSettings.writePackageRestrictionsLPr(sourceUserId);
11663        }
11664    }
11665
11666    public void addCrossProfileIntentsForPackage(String packageName,
11667            int sourceUserId, int targetUserId) {
11668        mContext.enforceCallingOrSelfPermission(
11669                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
11670        mSettings.addCrossProfilePackage(packageName, sourceUserId, targetUserId);
11671        mSettings.writePackageRestrictionsLPr(sourceUserId);
11672    }
11673
11674    public void removeCrossProfileIntentsForPackage(String packageName,
11675            int sourceUserId, int targetUserId) {
11676        mContext.enforceCallingOrSelfPermission(
11677                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
11678        mSettings.removeCrossProfilePackage(packageName, sourceUserId, targetUserId);
11679        mSettings.writePackageRestrictionsLPr(sourceUserId);
11680    }
11681
11682    @Override
11683    public void clearCrossProfileIntentFilters(int sourceUserId) {
11684        mContext.enforceCallingOrSelfPermission(
11685                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
11686        synchronized (mPackages) {
11687            CrossProfileIntentResolver resolver =
11688                    mSettings.editCrossProfileIntentResolverLPw(sourceUserId);
11689            HashSet<CrossProfileIntentFilter> set =
11690                    new HashSet<CrossProfileIntentFilter>(resolver.filterSet());
11691            for (CrossProfileIntentFilter filter : set) {
11692                if ((filter.getFlags() & PackageManager.SET_BY_PROFILE_OWNER) != 0) {
11693                    resolver.removeFilter(filter);
11694                }
11695            }
11696            mSettings.writePackageRestrictionsLPr(sourceUserId);
11697        }
11698    }
11699
11700    @Override
11701    public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) {
11702        Intent intent = new Intent(Intent.ACTION_MAIN);
11703        intent.addCategory(Intent.CATEGORY_HOME);
11704
11705        final int callingUserId = UserHandle.getCallingUserId();
11706        List<ResolveInfo> list = queryIntentActivities(intent, null,
11707                PackageManager.GET_META_DATA, callingUserId);
11708        ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0,
11709                true, false, false, callingUserId);
11710
11711        allHomeCandidates.clear();
11712        if (list != null) {
11713            for (ResolveInfo ri : list) {
11714                allHomeCandidates.add(ri);
11715            }
11716        }
11717        return (preferred == null || preferred.activityInfo == null)
11718                ? null
11719                : new ComponentName(preferred.activityInfo.packageName,
11720                        preferred.activityInfo.name);
11721    }
11722
11723    @Override
11724    public void setApplicationEnabledSetting(String appPackageName,
11725            int newState, int flags, int userId, String callingPackage) {
11726        if (!sUserManager.exists(userId)) return;
11727        if (callingPackage == null) {
11728            callingPackage = Integer.toString(Binder.getCallingUid());
11729        }
11730        setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage);
11731    }
11732
11733    @Override
11734    public void setComponentEnabledSetting(ComponentName componentName,
11735            int newState, int flags, int userId) {
11736        if (!sUserManager.exists(userId)) return;
11737        setEnabledSetting(componentName.getPackageName(),
11738                componentName.getClassName(), newState, flags, userId, null);
11739    }
11740
11741    private void setEnabledSetting(final String packageName, String className, int newState,
11742            final int flags, int userId, String callingPackage) {
11743        if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT
11744              || newState == COMPONENT_ENABLED_STATE_ENABLED
11745              || newState == COMPONENT_ENABLED_STATE_DISABLED
11746              || newState == COMPONENT_ENABLED_STATE_DISABLED_USER
11747              || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) {
11748            throw new IllegalArgumentException("Invalid new component state: "
11749                    + newState);
11750        }
11751        PackageSetting pkgSetting;
11752        final int uid = Binder.getCallingUid();
11753        final int permission = mContext.checkCallingOrSelfPermission(
11754                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
11755        enforceCrossUserPermission(uid, userId, false, "set enabled");
11756        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
11757        boolean sendNow = false;
11758        boolean isApp = (className == null);
11759        String componentName = isApp ? packageName : className;
11760        int packageUid = -1;
11761        ArrayList<String> components;
11762
11763        // writer
11764        synchronized (mPackages) {
11765            pkgSetting = mSettings.mPackages.get(packageName);
11766            if (pkgSetting == null) {
11767                if (className == null) {
11768                    throw new IllegalArgumentException(
11769                            "Unknown package: " + packageName);
11770                }
11771                throw new IllegalArgumentException(
11772                        "Unknown component: " + packageName
11773                        + "/" + className);
11774            }
11775            // Allow root and verify that userId is not being specified by a different user
11776            if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) {
11777                throw new SecurityException(
11778                        "Permission Denial: attempt to change component state from pid="
11779                        + Binder.getCallingPid()
11780                        + ", uid=" + uid + ", package uid=" + pkgSetting.appId);
11781            }
11782            if (className == null) {
11783                // We're dealing with an application/package level state change
11784                if (pkgSetting.getEnabled(userId) == newState) {
11785                    // Nothing to do
11786                    return;
11787                }
11788                if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT
11789                    || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) {
11790                    // Don't care about who enables an app.
11791                    callingPackage = null;
11792                }
11793                pkgSetting.setEnabled(newState, userId, callingPackage);
11794                // pkgSetting.pkg.mSetEnabled = newState;
11795            } else {
11796                // We're dealing with a component level state change
11797                // First, verify that this is a valid class name.
11798                PackageParser.Package pkg = pkgSetting.pkg;
11799                if (pkg == null || !pkg.hasComponentClassName(className)) {
11800                    if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) {
11801                        throw new IllegalArgumentException("Component class " + className
11802                                + " does not exist in " + packageName);
11803                    } else {
11804                        Slog.w(TAG, "Failed setComponentEnabledSetting: component class "
11805                                + className + " does not exist in " + packageName);
11806                    }
11807                }
11808                switch (newState) {
11809                case COMPONENT_ENABLED_STATE_ENABLED:
11810                    if (!pkgSetting.enableComponentLPw(className, userId)) {
11811                        return;
11812                    }
11813                    break;
11814                case COMPONENT_ENABLED_STATE_DISABLED:
11815                    if (!pkgSetting.disableComponentLPw(className, userId)) {
11816                        return;
11817                    }
11818                    break;
11819                case COMPONENT_ENABLED_STATE_DEFAULT:
11820                    if (!pkgSetting.restoreComponentLPw(className, userId)) {
11821                        return;
11822                    }
11823                    break;
11824                default:
11825                    Slog.e(TAG, "Invalid new component state: " + newState);
11826                    return;
11827                }
11828            }
11829            mSettings.writePackageRestrictionsLPr(userId);
11830            components = mPendingBroadcasts.get(userId, packageName);
11831            final boolean newPackage = components == null;
11832            if (newPackage) {
11833                components = new ArrayList<String>();
11834            }
11835            if (!components.contains(componentName)) {
11836                components.add(componentName);
11837            }
11838            if ((flags&PackageManager.DONT_KILL_APP) == 0) {
11839                sendNow = true;
11840                // Purge entry from pending broadcast list if another one exists already
11841                // since we are sending one right away.
11842                mPendingBroadcasts.remove(userId, packageName);
11843            } else {
11844                if (newPackage) {
11845                    mPendingBroadcasts.put(userId, packageName, components);
11846                }
11847                if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) {
11848                    // Schedule a message
11849                    mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY);
11850                }
11851            }
11852        }
11853
11854        long callingId = Binder.clearCallingIdentity();
11855        try {
11856            if (sendNow) {
11857                packageUid = UserHandle.getUid(userId, pkgSetting.appId);
11858                sendPackageChangedBroadcast(packageName,
11859                        (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid);
11860            }
11861        } finally {
11862            Binder.restoreCallingIdentity(callingId);
11863        }
11864    }
11865
11866    private void sendPackageChangedBroadcast(String packageName,
11867            boolean killFlag, ArrayList<String> componentNames, int packageUid) {
11868        if (DEBUG_INSTALL)
11869            Log.v(TAG, "Sending package changed: package=" + packageName + " components="
11870                    + componentNames);
11871        Bundle extras = new Bundle(4);
11872        extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0));
11873        String nameList[] = new String[componentNames.size()];
11874        componentNames.toArray(nameList);
11875        extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList);
11876        extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag);
11877        extras.putInt(Intent.EXTRA_UID, packageUid);
11878        sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED,  packageName, extras, null, null,
11879                new int[] {UserHandle.getUserId(packageUid)});
11880    }
11881
11882    @Override
11883    public void setPackageStoppedState(String packageName, boolean stopped, int userId) {
11884        if (!sUserManager.exists(userId)) return;
11885        final int uid = Binder.getCallingUid();
11886        final int permission = mContext.checkCallingOrSelfPermission(
11887                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
11888        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
11889        enforceCrossUserPermission(uid, userId, true, "stop package");
11890        // writer
11891        synchronized (mPackages) {
11892            if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission,
11893                    uid, userId)) {
11894                scheduleWritePackageRestrictionsLocked(userId);
11895            }
11896        }
11897    }
11898
11899    @Override
11900    public String getInstallerPackageName(String packageName) {
11901        // reader
11902        synchronized (mPackages) {
11903            return mSettings.getInstallerPackageNameLPr(packageName);
11904        }
11905    }
11906
11907    @Override
11908    public int getApplicationEnabledSetting(String packageName, int userId) {
11909        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
11910        int uid = Binder.getCallingUid();
11911        enforceCrossUserPermission(uid, userId, false, "get enabled");
11912        // reader
11913        synchronized (mPackages) {
11914            return mSettings.getApplicationEnabledSettingLPr(packageName, userId);
11915        }
11916    }
11917
11918    @Override
11919    public int getComponentEnabledSetting(ComponentName componentName, int userId) {
11920        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
11921        int uid = Binder.getCallingUid();
11922        enforceCrossUserPermission(uid, userId, false, "get component enabled");
11923        // reader
11924        synchronized (mPackages) {
11925            return mSettings.getComponentEnabledSettingLPr(componentName, userId);
11926        }
11927    }
11928
11929    @Override
11930    public void enterSafeMode() {
11931        enforceSystemOrRoot("Only the system can request entering safe mode");
11932
11933        if (!mSystemReady) {
11934            mSafeMode = true;
11935        }
11936    }
11937
11938    @Override
11939    public void systemReady() {
11940        mSystemReady = true;
11941
11942        // Read the compatibilty setting when the system is ready.
11943        boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt(
11944                mContext.getContentResolver(),
11945                android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1;
11946        PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled);
11947        if (DEBUG_SETTINGS) {
11948            Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled);
11949        }
11950
11951        synchronized (mPackages) {
11952            // Verify that all of the preferred activity components actually
11953            // exist.  It is possible for applications to be updated and at
11954            // that point remove a previously declared activity component that
11955            // had been set as a preferred activity.  We try to clean this up
11956            // the next time we encounter that preferred activity, but it is
11957            // possible for the user flow to never be able to return to that
11958            // situation so here we do a sanity check to make sure we haven't
11959            // left any junk around.
11960            ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>();
11961            for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
11962                PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
11963                removed.clear();
11964                for (PreferredActivity pa : pir.filterSet()) {
11965                    if (mActivities.mActivities.get(pa.mPref.mComponent) == null) {
11966                        removed.add(pa);
11967                    }
11968                }
11969                if (removed.size() > 0) {
11970                    for (int r=0; r<removed.size(); r++) {
11971                        PreferredActivity pa = removed.get(r);
11972                        Slog.w(TAG, "Removing dangling preferred activity: "
11973                                + pa.mPref.mComponent);
11974                        pir.removeFilter(pa);
11975                    }
11976                    mSettings.writePackageRestrictionsLPr(
11977                            mSettings.mPreferredActivities.keyAt(i));
11978                }
11979            }
11980        }
11981        sUserManager.systemReady();
11982    }
11983
11984    @Override
11985    public boolean isSafeMode() {
11986        return mSafeMode;
11987    }
11988
11989    @Override
11990    public boolean hasSystemUidErrors() {
11991        return mHasSystemUidErrors;
11992    }
11993
11994    static String arrayToString(int[] array) {
11995        StringBuffer buf = new StringBuffer(128);
11996        buf.append('[');
11997        if (array != null) {
11998            for (int i=0; i<array.length; i++) {
11999                if (i > 0) buf.append(", ");
12000                buf.append(array[i]);
12001            }
12002        }
12003        buf.append(']');
12004        return buf.toString();
12005    }
12006
12007    static class DumpState {
12008        public static final int DUMP_LIBS = 1 << 0;
12009        public static final int DUMP_FEATURES = 1 << 1;
12010        public static final int DUMP_RESOLVERS = 1 << 2;
12011        public static final int DUMP_PERMISSIONS = 1 << 3;
12012        public static final int DUMP_PACKAGES = 1 << 4;
12013        public static final int DUMP_SHARED_USERS = 1 << 5;
12014        public static final int DUMP_MESSAGES = 1 << 6;
12015        public static final int DUMP_PROVIDERS = 1 << 7;
12016        public static final int DUMP_VERIFIERS = 1 << 8;
12017        public static final int DUMP_PREFERRED = 1 << 9;
12018        public static final int DUMP_PREFERRED_XML = 1 << 10;
12019        public static final int DUMP_KEYSETS = 1 << 11;
12020        public static final int DUMP_VERSION = 1 << 12;
12021        public static final int DUMP_INSTALLS = 1 << 13;
12022
12023        public static final int OPTION_SHOW_FILTERS = 1 << 0;
12024
12025        private int mTypes;
12026
12027        private int mOptions;
12028
12029        private boolean mTitlePrinted;
12030
12031        private SharedUserSetting mSharedUser;
12032
12033        public boolean isDumping(int type) {
12034            if (mTypes == 0 && type != DUMP_PREFERRED_XML) {
12035                return true;
12036            }
12037
12038            return (mTypes & type) != 0;
12039        }
12040
12041        public void setDump(int type) {
12042            mTypes |= type;
12043        }
12044
12045        public boolean isOptionEnabled(int option) {
12046            return (mOptions & option) != 0;
12047        }
12048
12049        public void setOptionEnabled(int option) {
12050            mOptions |= option;
12051        }
12052
12053        public boolean onTitlePrinted() {
12054            final boolean printed = mTitlePrinted;
12055            mTitlePrinted = true;
12056            return printed;
12057        }
12058
12059        public boolean getTitlePrinted() {
12060            return mTitlePrinted;
12061        }
12062
12063        public void setTitlePrinted(boolean enabled) {
12064            mTitlePrinted = enabled;
12065        }
12066
12067        public SharedUserSetting getSharedUser() {
12068            return mSharedUser;
12069        }
12070
12071        public void setSharedUser(SharedUserSetting user) {
12072            mSharedUser = user;
12073        }
12074    }
12075
12076    @Override
12077    protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
12078        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
12079                != PackageManager.PERMISSION_GRANTED) {
12080            pw.println("Permission Denial: can't dump ActivityManager from from pid="
12081                    + Binder.getCallingPid()
12082                    + ", uid=" + Binder.getCallingUid()
12083                    + " without permission "
12084                    + android.Manifest.permission.DUMP);
12085            return;
12086        }
12087
12088        DumpState dumpState = new DumpState();
12089        boolean fullPreferred = false;
12090        boolean checkin = false;
12091
12092        String packageName = null;
12093
12094        int opti = 0;
12095        while (opti < args.length) {
12096            String opt = args[opti];
12097            if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') {
12098                break;
12099            }
12100            opti++;
12101            if ("-a".equals(opt)) {
12102                // Right now we only know how to print all.
12103            } else if ("-h".equals(opt)) {
12104                pw.println("Package manager dump options:");
12105                pw.println("  [-h] [-f] [--checkin] [cmd] ...");
12106                pw.println("    --checkin: dump for a checkin");
12107                pw.println("    -f: print details of intent filters");
12108                pw.println("    -h: print this help");
12109                pw.println("  cmd may be one of:");
12110                pw.println("    l[ibraries]: list known shared libraries");
12111                pw.println("    f[ibraries]: list device features");
12112                pw.println("    k[eysets]: print known keysets");
12113                pw.println("    r[esolvers]: dump intent resolvers");
12114                pw.println("    perm[issions]: dump permissions");
12115                pw.println("    pref[erred]: print preferred package settings");
12116                pw.println("    preferred-xml [--full]: print preferred package settings as xml");
12117                pw.println("    prov[iders]: dump content providers");
12118                pw.println("    p[ackages]: dump installed packages");
12119                pw.println("    s[hared-users]: dump shared user IDs");
12120                pw.println("    m[essages]: print collected runtime messages");
12121                pw.println("    v[erifiers]: print package verifier info");
12122                pw.println("    version: print database version info");
12123                pw.println("    write: write current settings now");
12124                pw.println("    <package.name>: info about given package");
12125                pw.println("    installs: details about install sessions");
12126                return;
12127            } else if ("--checkin".equals(opt)) {
12128                checkin = true;
12129            } else if ("-f".equals(opt)) {
12130                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
12131            } else {
12132                pw.println("Unknown argument: " + opt + "; use -h for help");
12133            }
12134        }
12135
12136        // Is the caller requesting to dump a particular piece of data?
12137        if (opti < args.length) {
12138            String cmd = args[opti];
12139            opti++;
12140            // Is this a package name?
12141            if ("android".equals(cmd) || cmd.contains(".")) {
12142                packageName = cmd;
12143                // When dumping a single package, we always dump all of its
12144                // filter information since the amount of data will be reasonable.
12145                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
12146            } else if ("l".equals(cmd) || "libraries".equals(cmd)) {
12147                dumpState.setDump(DumpState.DUMP_LIBS);
12148            } else if ("f".equals(cmd) || "features".equals(cmd)) {
12149                dumpState.setDump(DumpState.DUMP_FEATURES);
12150            } else if ("r".equals(cmd) || "resolvers".equals(cmd)) {
12151                dumpState.setDump(DumpState.DUMP_RESOLVERS);
12152            } else if ("perm".equals(cmd) || "permissions".equals(cmd)) {
12153                dumpState.setDump(DumpState.DUMP_PERMISSIONS);
12154            } else if ("pref".equals(cmd) || "preferred".equals(cmd)) {
12155                dumpState.setDump(DumpState.DUMP_PREFERRED);
12156            } else if ("preferred-xml".equals(cmd)) {
12157                dumpState.setDump(DumpState.DUMP_PREFERRED_XML);
12158                if (opti < args.length && "--full".equals(args[opti])) {
12159                    fullPreferred = true;
12160                    opti++;
12161                }
12162            } else if ("p".equals(cmd) || "packages".equals(cmd)) {
12163                dumpState.setDump(DumpState.DUMP_PACKAGES);
12164            } else if ("s".equals(cmd) || "shared-users".equals(cmd)) {
12165                dumpState.setDump(DumpState.DUMP_SHARED_USERS);
12166            } else if ("prov".equals(cmd) || "providers".equals(cmd)) {
12167                dumpState.setDump(DumpState.DUMP_PROVIDERS);
12168            } else if ("m".equals(cmd) || "messages".equals(cmd)) {
12169                dumpState.setDump(DumpState.DUMP_MESSAGES);
12170            } else if ("v".equals(cmd) || "verifiers".equals(cmd)) {
12171                dumpState.setDump(DumpState.DUMP_VERIFIERS);
12172            } else if ("version".equals(cmd)) {
12173                dumpState.setDump(DumpState.DUMP_VERSION);
12174            } else if ("k".equals(cmd) || "keysets".equals(cmd)) {
12175                dumpState.setDump(DumpState.DUMP_KEYSETS);
12176            } else if ("write".equals(cmd)) {
12177                synchronized (mPackages) {
12178                    mSettings.writeLPr();
12179                    pw.println("Settings written.");
12180                    return;
12181                }
12182            } else if ("installs".equals(cmd)) {
12183                dumpState.setDump(DumpState.DUMP_INSTALLS);
12184            }
12185        }
12186
12187        if (checkin) {
12188            pw.println("vers,1");
12189        }
12190
12191        // reader
12192        synchronized (mPackages) {
12193            if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) {
12194                if (!checkin) {
12195                    if (dumpState.onTitlePrinted())
12196                        pw.println();
12197                    pw.println("Database versions:");
12198                    pw.print("  SDK Version:");
12199                    pw.print(" internal=");
12200                    pw.print(mSettings.mInternalSdkPlatform);
12201                    pw.print(" external=");
12202                    pw.println(mSettings.mExternalSdkPlatform);
12203                    pw.print("  DB Version:");
12204                    pw.print(" internal=");
12205                    pw.print(mSettings.mInternalDatabaseVersion);
12206                    pw.print(" external=");
12207                    pw.println(mSettings.mExternalDatabaseVersion);
12208                }
12209            }
12210
12211            if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) {
12212                if (!checkin) {
12213                    if (dumpState.onTitlePrinted())
12214                        pw.println();
12215                    pw.println("Verifiers:");
12216                    pw.print("  Required: ");
12217                    pw.print(mRequiredVerifierPackage);
12218                    pw.print(" (uid=");
12219                    pw.print(getPackageUid(mRequiredVerifierPackage, 0));
12220                    pw.println(")");
12221                } else if (mRequiredVerifierPackage != null) {
12222                    pw.print("vrfy,"); pw.print(mRequiredVerifierPackage);
12223                    pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0));
12224                }
12225            }
12226
12227            if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) {
12228                boolean printedHeader = false;
12229                final Iterator<String> it = mSharedLibraries.keySet().iterator();
12230                while (it.hasNext()) {
12231                    String name = it.next();
12232                    SharedLibraryEntry ent = mSharedLibraries.get(name);
12233                    if (!checkin) {
12234                        if (!printedHeader) {
12235                            if (dumpState.onTitlePrinted())
12236                                pw.println();
12237                            pw.println("Libraries:");
12238                            printedHeader = true;
12239                        }
12240                        pw.print("  ");
12241                    } else {
12242                        pw.print("lib,");
12243                    }
12244                    pw.print(name);
12245                    if (!checkin) {
12246                        pw.print(" -> ");
12247                    }
12248                    if (ent.path != null) {
12249                        if (!checkin) {
12250                            pw.print("(jar) ");
12251                            pw.print(ent.path);
12252                        } else {
12253                            pw.print(",jar,");
12254                            pw.print(ent.path);
12255                        }
12256                    } else {
12257                        if (!checkin) {
12258                            pw.print("(apk) ");
12259                            pw.print(ent.apk);
12260                        } else {
12261                            pw.print(",apk,");
12262                            pw.print(ent.apk);
12263                        }
12264                    }
12265                    pw.println();
12266                }
12267            }
12268
12269            if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) {
12270                if (dumpState.onTitlePrinted())
12271                    pw.println();
12272                if (!checkin) {
12273                    pw.println("Features:");
12274                }
12275                Iterator<String> it = mAvailableFeatures.keySet().iterator();
12276                while (it.hasNext()) {
12277                    String name = it.next();
12278                    if (!checkin) {
12279                        pw.print("  ");
12280                    } else {
12281                        pw.print("feat,");
12282                    }
12283                    pw.println(name);
12284                }
12285            }
12286
12287            if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) {
12288                if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:"
12289                        : "Activity Resolver Table:", "  ", packageName,
12290                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12291                    dumpState.setTitlePrinted(true);
12292                }
12293                if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:"
12294                        : "Receiver Resolver Table:", "  ", packageName,
12295                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12296                    dumpState.setTitlePrinted(true);
12297                }
12298                if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:"
12299                        : "Service Resolver Table:", "  ", packageName,
12300                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12301                    dumpState.setTitlePrinted(true);
12302                }
12303                if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:"
12304                        : "Provider Resolver Table:", "  ", packageName,
12305                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12306                    dumpState.setTitlePrinted(true);
12307                }
12308            }
12309
12310            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) {
12311                for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
12312                    PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
12313                    int user = mSettings.mPreferredActivities.keyAt(i);
12314                    if (pir.dump(pw,
12315                            dumpState.getTitlePrinted()
12316                                ? "\nPreferred Activities User " + user + ":"
12317                                : "Preferred Activities User " + user + ":", "  ",
12318                            packageName, true)) {
12319                        dumpState.setTitlePrinted(true);
12320                    }
12321                }
12322            }
12323
12324            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) {
12325                pw.flush();
12326                FileOutputStream fout = new FileOutputStream(fd);
12327                BufferedOutputStream str = new BufferedOutputStream(fout);
12328                XmlSerializer serializer = new FastXmlSerializer();
12329                try {
12330                    serializer.setOutput(str, "utf-8");
12331                    serializer.startDocument(null, true);
12332                    serializer.setFeature(
12333                            "http://xmlpull.org/v1/doc/features.html#indent-output", true);
12334                    mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred);
12335                    serializer.endDocument();
12336                    serializer.flush();
12337                } catch (IllegalArgumentException e) {
12338                    pw.println("Failed writing: " + e);
12339                } catch (IllegalStateException e) {
12340                    pw.println("Failed writing: " + e);
12341                } catch (IOException e) {
12342                    pw.println("Failed writing: " + e);
12343                }
12344            }
12345
12346            if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) {
12347                mSettings.dumpPermissionsLPr(pw, packageName, dumpState);
12348            }
12349
12350            if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) {
12351                boolean printedSomething = false;
12352                for (PackageParser.Provider p : mProviders.mProviders.values()) {
12353                    if (packageName != null && !packageName.equals(p.info.packageName)) {
12354                        continue;
12355                    }
12356                    if (!printedSomething) {
12357                        if (dumpState.onTitlePrinted())
12358                            pw.println();
12359                        pw.println("Registered ContentProviders:");
12360                        printedSomething = true;
12361                    }
12362                    pw.print("  "); p.printComponentShortName(pw); pw.println(":");
12363                    pw.print("    "); pw.println(p.toString());
12364                }
12365                printedSomething = false;
12366                for (Map.Entry<String, PackageParser.Provider> entry :
12367                        mProvidersByAuthority.entrySet()) {
12368                    PackageParser.Provider p = entry.getValue();
12369                    if (packageName != null && !packageName.equals(p.info.packageName)) {
12370                        continue;
12371                    }
12372                    if (!printedSomething) {
12373                        if (dumpState.onTitlePrinted())
12374                            pw.println();
12375                        pw.println("ContentProvider Authorities:");
12376                        printedSomething = true;
12377                    }
12378                    pw.print("  ["); pw.print(entry.getKey()); pw.println("]:");
12379                    pw.print("    "); pw.println(p.toString());
12380                    if (p.info != null && p.info.applicationInfo != null) {
12381                        final String appInfo = p.info.applicationInfo.toString();
12382                        pw.print("      applicationInfo="); pw.println(appInfo);
12383                    }
12384                }
12385            }
12386
12387            if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) {
12388                mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState);
12389            }
12390
12391            if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) {
12392                mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin);
12393            }
12394
12395            if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) {
12396                mSettings.dumpSharedUsersLPr(pw, packageName, dumpState);
12397            }
12398
12399            if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS)) {
12400                if (dumpState.onTitlePrinted()) pw.println();
12401                mInstallerService.dump(new IndentingPrintWriter(pw, "  ", 120));
12402            }
12403
12404            if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) {
12405                if (dumpState.onTitlePrinted()) pw.println();
12406                mSettings.dumpReadMessagesLPr(pw, dumpState);
12407
12408                pw.println();
12409                pw.println("Package warning messages:");
12410                final File fname = getSettingsProblemFile();
12411                FileInputStream in = null;
12412                try {
12413                    in = new FileInputStream(fname);
12414                    final int avail = in.available();
12415                    final byte[] data = new byte[avail];
12416                    in.read(data);
12417                    pw.print(new String(data));
12418                } catch (FileNotFoundException e) {
12419                } catch (IOException e) {
12420                } finally {
12421                    if (in != null) {
12422                        try {
12423                            in.close();
12424                        } catch (IOException e) {
12425                        }
12426                    }
12427                }
12428            }
12429        }
12430    }
12431
12432    // ------- apps on sdcard specific code -------
12433    static final boolean DEBUG_SD_INSTALL = false;
12434
12435    private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD";
12436
12437    private static final String SD_ENCRYPTION_ALGORITHM = "AES";
12438
12439    private boolean mMediaMounted = false;
12440
12441    private String getEncryptKey() {
12442        try {
12443            String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString(
12444                    SD_ENCRYPTION_KEYSTORE_NAME);
12445            if (sdEncKey == null) {
12446                sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128,
12447                        SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME);
12448                if (sdEncKey == null) {
12449                    Slog.e(TAG, "Failed to create encryption keys");
12450                    return null;
12451                }
12452            }
12453            return sdEncKey;
12454        } catch (NoSuchAlgorithmException nsae) {
12455            Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae);
12456            return null;
12457        } catch (IOException ioe) {
12458            Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe);
12459            return null;
12460        }
12461
12462    }
12463
12464    /* package */static String getTempContainerId() {
12465        int tmpIdx = 1;
12466        String list[] = PackageHelper.getSecureContainerList();
12467        if (list != null) {
12468            for (final String name : list) {
12469                // Ignore null and non-temporary container entries
12470                if (name == null || !name.startsWith(mTempContainerPrefix)) {
12471                    continue;
12472                }
12473
12474                String subStr = name.substring(mTempContainerPrefix.length());
12475                try {
12476                    int cid = Integer.parseInt(subStr);
12477                    if (cid >= tmpIdx) {
12478                        tmpIdx = cid + 1;
12479                    }
12480                } catch (NumberFormatException e) {
12481                }
12482            }
12483        }
12484        return mTempContainerPrefix + tmpIdx;
12485    }
12486
12487    /*
12488     * Update media status on PackageManager.
12489     */
12490    @Override
12491    public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) {
12492        int callingUid = Binder.getCallingUid();
12493        if (callingUid != 0 && callingUid != Process.SYSTEM_UID) {
12494            throw new SecurityException("Media status can only be updated by the system");
12495        }
12496        // reader; this apparently protects mMediaMounted, but should probably
12497        // be a different lock in that case.
12498        synchronized (mPackages) {
12499            Log.i(TAG, "Updating external media status from "
12500                    + (mMediaMounted ? "mounted" : "unmounted") + " to "
12501                    + (mediaStatus ? "mounted" : "unmounted"));
12502            if (DEBUG_SD_INSTALL)
12503                Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus
12504                        + ", mMediaMounted=" + mMediaMounted);
12505            if (mediaStatus == mMediaMounted) {
12506                final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1
12507                        : 0, -1);
12508                mHandler.sendMessage(msg);
12509                return;
12510            }
12511            mMediaMounted = mediaStatus;
12512        }
12513        // Queue up an async operation since the package installation may take a
12514        // little while.
12515        mHandler.post(new Runnable() {
12516            public void run() {
12517                updateExternalMediaStatusInner(mediaStatus, reportStatus, true);
12518            }
12519        });
12520    }
12521
12522    /**
12523     * Called by MountService when the initial ASECs to scan are available.
12524     * Should block until all the ASEC containers are finished being scanned.
12525     */
12526    public void scanAvailableAsecs() {
12527        updateExternalMediaStatusInner(true, false, false);
12528        if (mShouldRestoreconData) {
12529            SELinuxMMAC.setRestoreconDone();
12530            mShouldRestoreconData = false;
12531        }
12532    }
12533
12534    /*
12535     * Collect information of applications on external media, map them against
12536     * existing containers and update information based on current mount status.
12537     * Please note that we always have to report status if reportStatus has been
12538     * set to true especially when unloading packages.
12539     */
12540    private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus,
12541            boolean externalStorage) {
12542        // Collection of uids
12543        int uidArr[] = null;
12544        // Collection of stale containers
12545        HashSet<String> removeCids = new HashSet<String>();
12546        // Collection of packages on external media with valid containers.
12547        HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>();
12548        // Get list of secure containers.
12549        final String list[] = PackageHelper.getSecureContainerList();
12550        if (list == null || list.length == 0) {
12551            Log.i(TAG, "No secure containers on sdcard");
12552        } else {
12553            // Process list of secure containers and categorize them
12554            // as active or stale based on their package internal state.
12555            int uidList[] = new int[list.length];
12556            int num = 0;
12557            // reader
12558            synchronized (mPackages) {
12559                for (String cid : list) {
12560                    if (DEBUG_SD_INSTALL)
12561                        Log.i(TAG, "Processing container " + cid);
12562                    String pkgName = getAsecPackageName(cid);
12563                    if (pkgName == null) {
12564                        if (DEBUG_SD_INSTALL)
12565                            Log.i(TAG, "Container : " + cid + " stale");
12566                        removeCids.add(cid);
12567                        continue;
12568                    }
12569                    if (DEBUG_SD_INSTALL)
12570                        Log.i(TAG, "Looking for pkg : " + pkgName);
12571
12572                    final PackageSetting ps = mSettings.mPackages.get(pkgName);
12573                    if (ps == null) {
12574                        Log.i(TAG, "Deleting container with no matching settings " + cid);
12575                        removeCids.add(cid);
12576                        continue;
12577                    }
12578
12579                    /*
12580                     * Skip packages that are not external if we're unmounting
12581                     * external storage.
12582                     */
12583                    if (externalStorage && !isMounted && !isExternal(ps)) {
12584                        continue;
12585                    }
12586
12587                    final AsecInstallArgs args = new AsecInstallArgs(cid,
12588                            getAppDexInstructionSets(ps), isForwardLocked(ps), isMultiArch(ps));
12589                    // The package status is changed only if the code path
12590                    // matches between settings and the container id.
12591                    if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) {
12592                        if (DEBUG_SD_INSTALL) {
12593                            Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName
12594                                    + " at code path: " + ps.codePathString);
12595                        }
12596
12597                        // We do have a valid package installed on sdcard
12598                        processCids.put(args, ps.codePathString);
12599                        final int uid = ps.appId;
12600                        if (uid != -1) {
12601                            uidList[num++] = uid;
12602                        }
12603                    } else {
12604                        Log.i(TAG, "Deleting stale container for " + cid);
12605                        removeCids.add(cid);
12606                    }
12607                }
12608            }
12609
12610            if (num > 0) {
12611                // Sort uid list
12612                Arrays.sort(uidList, 0, num);
12613                // Throw away duplicates
12614                uidArr = new int[num];
12615                uidArr[0] = uidList[0];
12616                int di = 0;
12617                for (int i = 1; i < num; i++) {
12618                    if (uidList[i - 1] != uidList[i]) {
12619                        uidArr[di++] = uidList[i];
12620                    }
12621                }
12622            }
12623        }
12624        // Process packages with valid entries.
12625        if (isMounted) {
12626            if (DEBUG_SD_INSTALL)
12627                Log.i(TAG, "Loading packages");
12628            loadMediaPackages(processCids, uidArr, removeCids);
12629            startCleaningPackages();
12630        } else {
12631            if (DEBUG_SD_INSTALL)
12632                Log.i(TAG, "Unloading packages");
12633            unloadMediaPackages(processCids, uidArr, reportStatus);
12634        }
12635    }
12636
12637   private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
12638           ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) {
12639        int size = pkgList.size();
12640        if (size > 0) {
12641            // Send broadcasts here
12642            Bundle extras = new Bundle();
12643            extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList
12644                    .toArray(new String[size]));
12645            if (uidArr != null) {
12646                extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr);
12647            }
12648            if (replacing) {
12649                extras.putBoolean(Intent.EXTRA_REPLACING, replacing);
12650            }
12651            String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE
12652                    : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE;
12653            sendPackageBroadcast(action, null, extras, null, finishedReceiver, null);
12654        }
12655    }
12656
12657   /*
12658     * Look at potentially valid container ids from processCids If package
12659     * information doesn't match the one on record or package scanning fails,
12660     * the cid is added to list of removeCids. We currently don't delete stale
12661     * containers.
12662     */
12663   private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[],
12664            HashSet<String> removeCids) {
12665        ArrayList<String> pkgList = new ArrayList<String>();
12666        Set<AsecInstallArgs> keys = processCids.keySet();
12667        boolean doGc = false;
12668        for (AsecInstallArgs args : keys) {
12669            String codePath = processCids.get(args);
12670            if (DEBUG_SD_INSTALL)
12671                Log.i(TAG, "Loading container : " + args.cid);
12672            int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
12673            try {
12674                // Make sure there are no container errors first.
12675                if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) {
12676                    Slog.e(TAG, "Failed to mount cid : " + args.cid
12677                            + " when installing from sdcard");
12678                    continue;
12679                }
12680                // Check code path here.
12681                if (codePath == null || !codePath.equals(args.getCodePath())) {
12682                    Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath()
12683                            + " does not match one in settings " + codePath);
12684                    continue;
12685                }
12686                // Parse package
12687                int parseFlags = mDefParseFlags;
12688                if (args.isExternal()) {
12689                    parseFlags |= PackageParser.PARSE_ON_SDCARD;
12690                }
12691                if (args.isFwdLocked()) {
12692                    parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
12693                }
12694
12695                doGc = true;
12696                synchronized (mInstallLock) {
12697                    PackageParser.Package pkg = null;
12698                    try {
12699                        pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null, null);
12700                    } catch (PackageManagerException e) {
12701                        Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage());
12702                    }
12703                    // Scan the package
12704                    if (pkg != null) {
12705                        /*
12706                         * TODO why is the lock being held? doPostInstall is
12707                         * called in other places without the lock. This needs
12708                         * to be straightened out.
12709                         */
12710                        // writer
12711                        synchronized (mPackages) {
12712                            retCode = PackageManager.INSTALL_SUCCEEDED;
12713                            pkgList.add(pkg.packageName);
12714                            // Post process args
12715                            args.doPostInstall(PackageManager.INSTALL_SUCCEEDED,
12716                                    pkg.applicationInfo.uid);
12717                        }
12718                    } else {
12719                        Slog.i(TAG, "Failed to install pkg from  " + codePath + " from sdcard");
12720                    }
12721                }
12722
12723            } finally {
12724                if (retCode != PackageManager.INSTALL_SUCCEEDED) {
12725                    // Don't destroy container here. Wait till gc clears things
12726                    // up.
12727                    removeCids.add(args.cid);
12728                }
12729            }
12730        }
12731        // writer
12732        synchronized (mPackages) {
12733            // If the platform SDK has changed since the last time we booted,
12734            // we need to re-grant app permission to catch any new ones that
12735            // appear. This is really a hack, and means that apps can in some
12736            // cases get permissions that the user didn't initially explicitly
12737            // allow... it would be nice to have some better way to handle
12738            // this situation.
12739            final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion;
12740            if (regrantPermissions)
12741                Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to "
12742                        + mSdkVersion + "; regranting permissions for external storage");
12743            mSettings.mExternalSdkPlatform = mSdkVersion;
12744
12745            // Make sure group IDs have been assigned, and any permission
12746            // changes in other apps are accounted for
12747            updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
12748                    | (regrantPermissions
12749                            ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
12750                            : 0));
12751
12752            mSettings.updateExternalDatabaseVersion();
12753
12754            // can downgrade to reader
12755            // Persist settings
12756            mSettings.writeLPr();
12757        }
12758        // Send a broadcast to let everyone know we are done processing
12759        if (pkgList.size() > 0) {
12760            sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null);
12761        }
12762        // Force gc to avoid any stale parser references that we might have.
12763        if (doGc) {
12764            Runtime.getRuntime().gc();
12765        }
12766        // List stale containers and destroy stale temporary containers.
12767        if (removeCids != null) {
12768            for (String cid : removeCids) {
12769                if (cid.startsWith(mTempContainerPrefix)) {
12770                    Log.i(TAG, "Destroying stale temporary container " + cid);
12771                    PackageHelper.destroySdDir(cid);
12772                } else {
12773                    Log.w(TAG, "Container " + cid + " is stale");
12774               }
12775           }
12776        }
12777    }
12778
12779   /*
12780     * Utility method to unload a list of specified containers
12781     */
12782    private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) {
12783        // Just unmount all valid containers.
12784        for (AsecInstallArgs arg : cidArgs) {
12785            synchronized (mInstallLock) {
12786                arg.doPostDeleteLI(false);
12787           }
12788       }
12789   }
12790
12791    /*
12792     * Unload packages mounted on external media. This involves deleting package
12793     * data from internal structures, sending broadcasts about diabled packages,
12794     * gc'ing to free up references, unmounting all secure containers
12795     * corresponding to packages on external media, and posting a
12796     * UPDATED_MEDIA_STATUS message if status has been requested. Please note
12797     * that we always have to post this message if status has been requested no
12798     * matter what.
12799     */
12800    private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[],
12801            final boolean reportStatus) {
12802        if (DEBUG_SD_INSTALL)
12803            Log.i(TAG, "unloading media packages");
12804        ArrayList<String> pkgList = new ArrayList<String>();
12805        ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>();
12806        final Set<AsecInstallArgs> keys = processCids.keySet();
12807        for (AsecInstallArgs args : keys) {
12808            String pkgName = args.getPackageName();
12809            if (DEBUG_SD_INSTALL)
12810                Log.i(TAG, "Trying to unload pkg : " + pkgName);
12811            // Delete package internally
12812            PackageRemovedInfo outInfo = new PackageRemovedInfo();
12813            synchronized (mInstallLock) {
12814                boolean res = deletePackageLI(pkgName, null, false, null, null,
12815                        PackageManager.DELETE_KEEP_DATA, outInfo, false);
12816                if (res) {
12817                    pkgList.add(pkgName);
12818                } else {
12819                    Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName);
12820                    failedList.add(args);
12821                }
12822            }
12823        }
12824
12825        // reader
12826        synchronized (mPackages) {
12827            // We didn't update the settings after removing each package;
12828            // write them now for all packages.
12829            mSettings.writeLPr();
12830        }
12831
12832        // We have to absolutely send UPDATED_MEDIA_STATUS only
12833        // after confirming that all the receivers processed the ordered
12834        // broadcast when packages get disabled, force a gc to clean things up.
12835        // and unload all the containers.
12836        if (pkgList.size() > 0) {
12837            sendResourcesChangedBroadcast(false, false, pkgList, uidArr,
12838                    new IIntentReceiver.Stub() {
12839                public void performReceive(Intent intent, int resultCode, String data,
12840                        Bundle extras, boolean ordered, boolean sticky,
12841                        int sendingUser) throws RemoteException {
12842                    Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
12843                            reportStatus ? 1 : 0, 1, keys);
12844                    mHandler.sendMessage(msg);
12845                }
12846            });
12847        } else {
12848            Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1,
12849                    keys);
12850            mHandler.sendMessage(msg);
12851        }
12852    }
12853
12854    /** Binder call */
12855    @Override
12856    public void movePackage(final String packageName, final IPackageMoveObserver observer,
12857            final int flags) {
12858        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
12859        UserHandle user = new UserHandle(UserHandle.getCallingUserId());
12860        int returnCode = PackageManager.MOVE_SUCCEEDED;
12861        int currFlags = 0;
12862        int newFlags = 0;
12863        // reader
12864        synchronized (mPackages) {
12865            PackageParser.Package pkg = mPackages.get(packageName);
12866            if (pkg == null) {
12867                returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
12868            } else {
12869                // Disable moving fwd locked apps and system packages
12870                if (pkg.applicationInfo != null && isSystemApp(pkg)) {
12871                    Slog.w(TAG, "Cannot move system application");
12872                    returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE;
12873                } else if (pkg.mOperationPending) {
12874                    Slog.w(TAG, "Attempt to move package which has pending operations");
12875                    returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING;
12876                } else {
12877                    // Find install location first
12878                    if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0
12879                            && (flags & PackageManager.MOVE_INTERNAL) != 0) {
12880                        Slog.w(TAG, "Ambigous flags specified for move location.");
12881                        returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION;
12882                    } else {
12883                        newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL
12884                                : PackageManager.INSTALL_INTERNAL;
12885                        currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL
12886                                : PackageManager.INSTALL_INTERNAL;
12887
12888                        if (newFlags == currFlags) {
12889                            Slog.w(TAG, "No move required. Trying to move to same location");
12890                            returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION;
12891                        } else {
12892                            if (isForwardLocked(pkg)) {
12893                                currFlags |= PackageManager.INSTALL_FORWARD_LOCK;
12894                                newFlags |= PackageManager.INSTALL_FORWARD_LOCK;
12895                            }
12896                        }
12897                    }
12898                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
12899                        pkg.mOperationPending = true;
12900                    }
12901                }
12902            }
12903
12904            /*
12905             * TODO this next block probably shouldn't be inside the lock. We
12906             * can't guarantee these won't change after this is fired off
12907             * anyway.
12908             */
12909            if (returnCode != PackageManager.MOVE_SUCCEEDED) {
12910                processPendingMove(new MoveParams(null, observer, 0, packageName, null, -1, user, false),
12911                        returnCode);
12912            } else {
12913                Message msg = mHandler.obtainMessage(INIT_COPY);
12914                final String[] instructionSets = getAppDexInstructionSets(pkg.applicationInfo);
12915                final boolean multiArch = isMultiArch(pkg.applicationInfo);
12916                InstallArgs srcArgs = createInstallArgsForExisting(currFlags,
12917                        pkg.applicationInfo.getCodePath(), pkg.applicationInfo.getResourcePath(),
12918                        pkg.applicationInfo.nativeLibraryRootDir, instructionSets, multiArch);
12919                MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName,
12920                        instructionSets, pkg.applicationInfo.uid, user, multiArch);
12921                msg.obj = mp;
12922                mHandler.sendMessage(msg);
12923            }
12924        }
12925    }
12926
12927    private void processPendingMove(final MoveParams mp, final int currentStatus) {
12928        // Queue up an async operation since the package deletion may take a
12929        // little while.
12930        mHandler.post(new Runnable() {
12931            public void run() {
12932                // TODO fix this; this does nothing.
12933                mHandler.removeCallbacks(this);
12934                int returnCode = currentStatus;
12935                if (currentStatus == PackageManager.MOVE_SUCCEEDED) {
12936                    int uidArr[] = null;
12937                    ArrayList<String> pkgList = null;
12938                    synchronized (mPackages) {
12939                        PackageParser.Package pkg = mPackages.get(mp.packageName);
12940                        if (pkg == null) {
12941                            Slog.w(TAG, " Package " + mp.packageName
12942                                    + " doesn't exist. Aborting move");
12943                            returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
12944                        } else if (!mp.srcArgs.getCodePath().equals(
12945                                pkg.applicationInfo.getCodePath())) {
12946                            Slog.w(TAG, "Package " + mp.packageName + " code path changed from "
12947                                    + mp.srcArgs.getCodePath() + " to "
12948                                    + pkg.applicationInfo.getCodePath()
12949                                    + " Aborting move and returning error");
12950                            returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
12951                        } else {
12952                            uidArr = new int[] {
12953                                pkg.applicationInfo.uid
12954                            };
12955                            pkgList = new ArrayList<String>();
12956                            pkgList.add(mp.packageName);
12957                        }
12958                    }
12959                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
12960                        // Send resources unavailable broadcast
12961                        sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null);
12962                        // Update package code and resource paths
12963                        synchronized (mInstallLock) {
12964                            synchronized (mPackages) {
12965                                PackageParser.Package pkg = mPackages.get(mp.packageName);
12966                                // Recheck for package again.
12967                                if (pkg == null) {
12968                                    Slog.w(TAG, " Package " + mp.packageName
12969                                            + " doesn't exist. Aborting move");
12970                                    returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
12971                                } else if (!mp.srcArgs.getCodePath().equals(
12972                                        pkg.applicationInfo.getCodePath())) {
12973                                    Slog.w(TAG, "Package " + mp.packageName
12974                                            + " code path changed from " + mp.srcArgs.getCodePath()
12975                                            + " to " + pkg.applicationInfo.getCodePath()
12976                                            + " Aborting move and returning error");
12977                                    returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
12978                                } else {
12979                                    final String oldCodePath = pkg.codePath;
12980                                    final String newCodePath = mp.targetArgs.getCodePath();
12981                                    final String newResPath = mp.targetArgs.getResourcePath();
12982                                    // TODO: This assumes the new style of installation.
12983                                    // should we look at legacyNativeLibraryPath ?
12984                                    final String newNativeRoot = new File(pkg.codePath, LIB_DIR_NAME).getAbsolutePath();
12985                                    final File newNativeDir = new File(newNativeRoot);
12986
12987                                    if (!isForwardLocked(pkg) && !isExternal(pkg)) {
12988                                        // TODO(multiArch): Fix this so that it looks at the existing
12989                                        // recorded CPU abis from the package. There's no need for a separate
12990                                        // round of ABI scanning here.
12991                                        NativeLibraryHelper.Handle handle = null;
12992                                        try {
12993                                            handle = NativeLibraryHelper.Handle.create(
12994                                                    new File(newCodePath));
12995                                            final int abi = NativeLibraryHelper.findSupportedAbi(
12996                                                    handle, Build.SUPPORTED_ABIS);
12997                                            if (abi >= 0) {
12998                                                NativeLibraryHelper.copyNativeBinariesIfNeededLI(
12999                                                        handle, newNativeDir, Build.SUPPORTED_ABIS[abi]);
13000                                            }
13001                                        } catch (IOException ioe) {
13002                                            Slog.w(TAG, "Unable to extract native libs for package :"
13003                                                    + mp.packageName, ioe);
13004                                            returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
13005                                        } finally {
13006                                            IoUtils.closeQuietly(handle);
13007                                        }
13008                                    }
13009
13010                                    final int[] users = sUserManager.getUserIds();
13011                                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
13012                                        for (int user : users) {
13013                                            // TODO(multiArch): Fix this so that it links to the
13014                                            // correct directory. We're currently pointing to root. but we
13015                                            // must point to the arch specific subdirectory (if applicable).
13016                                            //
13017                                            // TODO(multiArch): Bogus reference to nativeLibraryDir.
13018                                            if (mInstaller.linkNativeLibraryDirectory(pkg.packageName,
13019                                                    newNativeRoot, user) < 0) {
13020                                                returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE;
13021                                            }
13022                                        }
13023                                    }
13024
13025                                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
13026                                        pkg.codePath = newCodePath;
13027                                        pkg.baseCodePath = newCodePath;
13028                                        // Move dex files around
13029                                        if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) {
13030                                            // Moving of dex files failed. Set
13031                                            // error code and abort move.
13032                                            pkg.codePath = oldCodePath;
13033                                            pkg.baseCodePath = oldCodePath;
13034                                            returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE;
13035                                        }
13036                                    }
13037
13038                                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
13039                                        pkg.applicationInfo.setCodePath(newCodePath);
13040                                        pkg.applicationInfo.setBaseCodePath(newCodePath);
13041                                        pkg.applicationInfo.setSplitCodePaths(null);
13042                                        pkg.applicationInfo.setResourcePath(newResPath);
13043                                        pkg.applicationInfo.setBaseResourcePath(newResPath);
13044                                        pkg.applicationInfo.setSplitResourcePaths(null);
13045
13046                                        PackageSetting ps = (PackageSetting) pkg.mExtras;
13047                                        ps.codePath = new File(pkg.applicationInfo.getCodePath());
13048                                        ps.codePathString = ps.codePath.getPath();
13049                                        ps.resourcePath = new File(pkg.applicationInfo.getResourcePath());
13050                                        ps.resourcePathString = ps.resourcePath.getPath();
13051
13052                                        // Note that we don't have to recalculate the primary and secondary
13053                                        // CPU ABIs because they must already have been calculated during the
13054                                        // initial install of the app.
13055                                        ps.legacyNativeLibraryPathString = null;
13056
13057                                        // Set the application info flag
13058                                        // correctly.
13059                                        if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) {
13060                                            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE;
13061                                        } else {
13062                                            pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE;
13063                                        }
13064                                        ps.setFlags(pkg.applicationInfo.flags);
13065                                        mAppDirs.remove(oldCodePath);
13066                                        mAppDirs.put(newCodePath, pkg);
13067                                        // Persist settings
13068                                        mSettings.writeLPr();
13069                                    }
13070                                }
13071                            }
13072                        }
13073                        // Send resources available broadcast
13074                        sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null);
13075                    }
13076                }
13077                if (returnCode != PackageManager.MOVE_SUCCEEDED) {
13078                    // Clean up failed installation
13079                    if (mp.targetArgs != null) {
13080                        mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR,
13081                                -1);
13082                    }
13083                } else {
13084                    // Force a gc to clear things up.
13085                    Runtime.getRuntime().gc();
13086                    // Delete older code
13087                    synchronized (mInstallLock) {
13088                        mp.srcArgs.doPostDeleteLI(true);
13089                    }
13090                }
13091
13092                // Allow more operations on this file if we didn't fail because
13093                // an operation was already pending for this package.
13094                if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) {
13095                    synchronized (mPackages) {
13096                        PackageParser.Package pkg = mPackages.get(mp.packageName);
13097                        if (pkg != null) {
13098                            pkg.mOperationPending = false;
13099                       }
13100                   }
13101                }
13102
13103                IPackageMoveObserver observer = mp.observer;
13104                if (observer != null) {
13105                    try {
13106                        observer.packageMoved(mp.packageName, returnCode);
13107                    } catch (RemoteException e) {
13108                        Log.i(TAG, "Observer no longer exists.");
13109                    }
13110                }
13111            }
13112        });
13113    }
13114
13115    @Override
13116    public boolean setInstallLocation(int loc) {
13117        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS,
13118                null);
13119        if (getInstallLocation() == loc) {
13120            return true;
13121        }
13122        if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL
13123                || loc == PackageHelper.APP_INSTALL_EXTERNAL) {
13124            android.provider.Settings.Global.putInt(mContext.getContentResolver(),
13125                    android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc);
13126            return true;
13127        }
13128        return false;
13129   }
13130
13131    @Override
13132    public int getInstallLocation() {
13133        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
13134                android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION,
13135                PackageHelper.APP_INSTALL_AUTO);
13136    }
13137
13138    /** Called by UserManagerService */
13139    void cleanUpUserLILPw(int userHandle) {
13140        mDirtyUsers.remove(userHandle);
13141        mSettings.removeUserLPw(userHandle);
13142        mPendingBroadcasts.remove(userHandle);
13143        if (mInstaller != null) {
13144            // Technically, we shouldn't be doing this with the package lock
13145            // held.  However, this is very rare, and there is already so much
13146            // other disk I/O going on, that we'll let it slide for now.
13147            mInstaller.removeUserDataDirs(userHandle);
13148        }
13149        mUserNeedsBadging.delete(userHandle);
13150    }
13151
13152    /** Called by UserManagerService */
13153    void createNewUserLILPw(int userHandle, File path) {
13154        if (mInstaller != null) {
13155            mInstaller.createUserConfig(userHandle);
13156            mSettings.createNewUserLILPw(this, mInstaller, userHandle, path);
13157        }
13158    }
13159
13160    @Override
13161    public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException {
13162        mContext.enforceCallingOrSelfPermission(
13163                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
13164                "Only package verification agents can read the verifier device identity");
13165
13166        synchronized (mPackages) {
13167            return mSettings.getVerifierDeviceIdentityLPw();
13168        }
13169    }
13170
13171    @Override
13172    public void setPermissionEnforced(String permission, boolean enforced) {
13173        mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null);
13174        if (READ_EXTERNAL_STORAGE.equals(permission)) {
13175            synchronized (mPackages) {
13176                if (mSettings.mReadExternalStorageEnforced == null
13177                        || mSettings.mReadExternalStorageEnforced != enforced) {
13178                    mSettings.mReadExternalStorageEnforced = enforced;
13179                    mSettings.writeLPr();
13180                }
13181            }
13182            // kill any non-foreground processes so we restart them and
13183            // grant/revoke the GID.
13184            final IActivityManager am = ActivityManagerNative.getDefault();
13185            if (am != null) {
13186                final long token = Binder.clearCallingIdentity();
13187                try {
13188                    am.killProcessesBelowForeground("setPermissionEnforcement");
13189                } catch (RemoteException e) {
13190                } finally {
13191                    Binder.restoreCallingIdentity(token);
13192                }
13193            }
13194        } else {
13195            throw new IllegalArgumentException("No selective enforcement for " + permission);
13196        }
13197    }
13198
13199    @Override
13200    @Deprecated
13201    public boolean isPermissionEnforced(String permission) {
13202        return true;
13203    }
13204
13205    @Override
13206    public boolean isStorageLow() {
13207        final long token = Binder.clearCallingIdentity();
13208        try {
13209            final DeviceStorageMonitorInternal
13210                    dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
13211            if (dsm != null) {
13212                return dsm.isMemoryLow();
13213            } else {
13214                return false;
13215            }
13216        } finally {
13217            Binder.restoreCallingIdentity(token);
13218        }
13219    }
13220
13221    @Override
13222    public IPackageInstaller getPackageInstaller() {
13223        return mInstallerService;
13224    }
13225
13226    private boolean userNeedsBadging(int userId) {
13227        int index = mUserNeedsBadging.indexOfKey(userId);
13228        if (index < 0) {
13229            final UserInfo userInfo;
13230            final long token = Binder.clearCallingIdentity();
13231            try {
13232                userInfo = sUserManager.getUserInfo(userId);
13233            } finally {
13234                Binder.restoreCallingIdentity(token);
13235            }
13236            final boolean b;
13237            if (userInfo != null && userInfo.isManagedProfile()) {
13238                b = true;
13239            } else {
13240                b = false;
13241            }
13242            mUserNeedsBadging.put(userId, b);
13243            return b;
13244        }
13245        return mUserNeedsBadging.valueAt(index);
13246    }
13247
13248    @Override
13249    public KeySetHandle getKeySetByAlias(String packageName, String alias) {
13250        if (packageName == null || alias == null) {
13251            return null;
13252        }
13253        synchronized(mPackages) {
13254            final PackageParser.Package pkg = mPackages.get(packageName);
13255            if (pkg == null) {
13256                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
13257                throw new IllegalArgumentException("Unknown package: " + packageName);
13258            }
13259            if (pkg.applicationInfo.uid != Binder.getCallingUid()
13260                    && Process.SYSTEM_UID != Binder.getCallingUid()) {
13261                throw new SecurityException("May not access KeySets defined by"
13262                        + " aliases in other applications.");
13263            }
13264            KeySetManagerService ksms = mSettings.mKeySetManagerService;
13265            return ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias);
13266        }
13267    }
13268
13269    @Override
13270    public KeySetHandle getSigningKeySet(String packageName) {
13271        if (packageName == null) {
13272            return null;
13273        }
13274        synchronized(mPackages) {
13275            final PackageParser.Package pkg = mPackages.get(packageName);
13276            if (pkg == null) {
13277                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
13278                throw new IllegalArgumentException("Unknown package: " + packageName);
13279            }
13280            if (pkg.applicationInfo.uid != Binder.getCallingUid()
13281                    && Process.SYSTEM_UID != Binder.getCallingUid()) {
13282                throw new SecurityException("May not access signing KeySet of other apps.");
13283            }
13284            KeySetManagerService ksms = mSettings.mKeySetManagerService;
13285            return ksms.getSigningKeySetByPackageNameLPr(packageName);
13286        }
13287    }
13288
13289    @Override
13290    public boolean isPackageSignedByKeySet(String packageName, IBinder ks) {
13291        if (packageName == null || ks == null) {
13292            return false;
13293        }
13294        synchronized(mPackages) {
13295            final PackageParser.Package pkg = mPackages.get(packageName);
13296            if (pkg == null) {
13297                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
13298                throw new IllegalArgumentException("Unknown package: " + packageName);
13299            }
13300            if (ks instanceof KeySetHandle) {
13301                KeySetManagerService ksms = mSettings.mKeySetManagerService;
13302                return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ks);
13303            }
13304            return false;
13305        }
13306    }
13307
13308    @Override
13309    public boolean isPackageSignedByKeySetExactly(String packageName, IBinder ks) {
13310        if (packageName == null || ks == null) {
13311            return false;
13312        }
13313        synchronized(mPackages) {
13314            final PackageParser.Package pkg = mPackages.get(packageName);
13315            if (pkg == null) {
13316                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
13317                throw new IllegalArgumentException("Unknown package: " + packageName);
13318            }
13319            if (ks instanceof KeySetHandle) {
13320                KeySetManagerService ksms = mSettings.mKeySetManagerService;
13321                return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ks);
13322            }
13323            return false;
13324        }
13325    }
13326}
13327