PackageManagerService.java revision 7265abe77a76f848a316640b5da106e882bdbc8a 
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_DEXOPT;
30import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE;
31import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION;
32import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
33import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
34import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK;
35import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
36import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY;
37import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED;
38import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE;
39import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE;
40import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY;
41import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED;
42import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE;
43import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED;
44import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK;
45import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES;
46import static android.content.pm.PackageParser.isApkFile;
47import static android.os.Process.PACKAGE_INFO_GID;
48import static android.os.Process.SYSTEM_UID;
49import static android.system.OsConstants.O_CREAT;
50import static android.system.OsConstants.O_RDWR;
51import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE;
52import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER;
53import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME;
54import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME;
55import static com.android.internal.util.ArrayUtils.appendInt;
56import static com.android.internal.util.ArrayUtils.removeInt;
57
58import android.util.ArrayMap;
59
60import com.android.internal.R;
61import com.android.internal.app.IMediaContainerService;
62import com.android.internal.app.ResolverActivity;
63import com.android.internal.content.NativeLibraryHelper;
64import com.android.internal.content.PackageHelper;
65import com.android.internal.os.IParcelFileDescriptorFactory;
66import com.android.internal.util.ArrayUtils;
67import com.android.internal.util.FastPrintWriter;
68import com.android.internal.util.FastXmlSerializer;
69import com.android.internal.util.IndentingPrintWriter;
70import com.android.server.EventLogTags;
71import com.android.server.IntentResolver;
72import com.android.server.LocalServices;
73import com.android.server.ServiceThread;
74import com.android.server.SystemConfig;
75import com.android.server.Watchdog;
76import com.android.server.pm.Settings.DatabaseVersion;
77import com.android.server.storage.DeviceStorageMonitorInternal;
78
79import org.xmlpull.v1.XmlSerializer;
80
81import android.app.ActivityManager;
82import android.app.ActivityManagerNative;
83import android.app.AppGlobals;
84import android.app.IActivityManager;
85import android.app.admin.IDevicePolicyManager;
86import android.app.backup.IBackupManager;
87import android.content.BroadcastReceiver;
88import android.content.ComponentName;
89import android.content.Context;
90import android.content.IIntentReceiver;
91import android.content.Intent;
92import android.content.IntentFilter;
93import android.content.IntentSender;
94import android.content.IntentSender.SendIntentException;
95import android.content.ServiceConnection;
96import android.content.pm.ActivityInfo;
97import android.content.pm.ApplicationInfo;
98import android.content.pm.FeatureInfo;
99import android.content.pm.IPackageDataObserver;
100import android.content.pm.IPackageDeleteObserver;
101import android.content.pm.IPackageDeleteObserver2;
102import android.content.pm.IPackageInstallObserver2;
103import android.content.pm.IPackageInstaller;
104import android.content.pm.IPackageManager;
105import android.content.pm.IPackageMoveObserver;
106import android.content.pm.IPackageStatsObserver;
107import android.content.pm.InstrumentationInfo;
108import android.content.pm.KeySet;
109import android.content.pm.ManifestDigest;
110import android.content.pm.PackageCleanItem;
111import android.content.pm.PackageInfo;
112import android.content.pm.PackageInfoLite;
113import android.content.pm.PackageInstaller;
114import android.content.pm.PackageManager;
115import android.content.pm.PackageManager.LegacyPackageDeleteObserver;
116import android.content.pm.PackageParser.ActivityIntentInfo;
117import android.content.pm.PackageParser.PackageLite;
118import android.content.pm.PackageParser.PackageParserException;
119import android.content.pm.PackageParser;
120import android.content.pm.PackageStats;
121import android.content.pm.PackageUserState;
122import android.content.pm.ParceledListSlice;
123import android.content.pm.PermissionGroupInfo;
124import android.content.pm.PermissionInfo;
125import android.content.pm.ProviderInfo;
126import android.content.pm.ResolveInfo;
127import android.content.pm.ServiceInfo;
128import android.content.pm.Signature;
129import android.content.pm.UserInfo;
130import android.content.pm.VerificationParams;
131import android.content.pm.VerifierDeviceIdentity;
132import android.content.pm.VerifierInfo;
133import android.content.res.Resources;
134import android.hardware.display.DisplayManager;
135import android.net.Uri;
136import android.os.Binder;
137import android.os.Build;
138import android.os.Bundle;
139import android.os.Environment;
140import android.os.Environment.UserEnvironment;
141import android.os.storage.IMountService;
142import android.os.storage.StorageManager;
143import android.os.Debug;
144import android.os.FileUtils;
145import android.os.Handler;
146import android.os.IBinder;
147import android.os.Looper;
148import android.os.Message;
149import android.os.Parcel;
150import android.os.ParcelFileDescriptor;
151import android.os.Process;
152import android.os.RemoteException;
153import android.os.SELinux;
154import android.os.ServiceManager;
155import android.os.SystemClock;
156import android.os.SystemProperties;
157import android.os.UserHandle;
158import android.os.UserManager;
159import android.security.KeyStore;
160import android.security.SystemKeyStore;
161import android.system.ErrnoException;
162import android.system.Os;
163import android.system.StructStat;
164import android.text.TextUtils;
165import android.text.format.DateUtils;
166import android.util.ArraySet;
167import android.util.AtomicFile;
168import android.util.DisplayMetrics;
169import android.util.EventLog;
170import android.util.ExceptionUtils;
171import android.util.Log;
172import android.util.LogPrinter;
173import android.util.PrintStreamPrinter;
174import android.util.Slog;
175import android.util.SparseArray;
176import android.util.SparseBooleanArray;
177import android.view.Display;
178
179import java.io.BufferedInputStream;
180import java.io.BufferedOutputStream;
181import java.io.BufferedReader;
182import java.io.File;
183import java.io.FileDescriptor;
184import java.io.FileInputStream;
185import java.io.FileNotFoundException;
186import java.io.FileOutputStream;
187import java.io.FileReader;
188import java.io.FilenameFilter;
189import java.io.IOException;
190import java.io.InputStream;
191import java.io.PrintWriter;
192import java.nio.charset.StandardCharsets;
193import java.security.NoSuchAlgorithmException;
194import java.security.PublicKey;
195import java.security.cert.CertificateEncodingException;
196import java.security.cert.CertificateException;
197import java.text.SimpleDateFormat;
198import java.util.ArrayList;
199import java.util.Arrays;
200import java.util.Collection;
201import java.util.Collections;
202import java.util.Comparator;
203import java.util.Date;
204import java.util.HashMap;
205import java.util.HashSet;
206import java.util.Iterator;
207import java.util.List;
208import java.util.Map;
209import java.util.Objects;
210import java.util.Set;
211import java.util.concurrent.atomic.AtomicBoolean;
212import java.util.concurrent.atomic.AtomicLong;
213
214import dalvik.system.DexFile;
215import dalvik.system.StaleDexCacheError;
216import dalvik.system.VMRuntime;
217
218import libcore.io.IoUtils;
219import libcore.util.EmptyArray;
220
221/**
222 * Keep track of all those .apks everywhere.
223 *
224 * This is very central to the platform's security; please run the unit
225 * tests whenever making modifications here:
226 *
227mmm frameworks/base/tests/AndroidTests
228adb install -r -f out/target/product/passion/data/app/AndroidTests.apk
229adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner
230 *
231 * {@hide}
232 */
233public class PackageManagerService extends IPackageManager.Stub {
234    static final String TAG = "PackageManager";
235    static final boolean DEBUG_SETTINGS = false;
236    static final boolean DEBUG_PREFERRED = false;
237    static final boolean DEBUG_UPGRADE = false;
238    private static final boolean DEBUG_INSTALL = false;
239    private static final boolean DEBUG_REMOVE = false;
240    private static final boolean DEBUG_BROADCASTS = false;
241    private static final boolean DEBUG_SHOW_INFO = false;
242    private static final boolean DEBUG_PACKAGE_INFO = false;
243    private static final boolean DEBUG_INTENT_MATCHING = false;
244    private static final boolean DEBUG_PACKAGE_SCANNING = false;
245    private static final boolean DEBUG_VERIFY = false;
246    private static final boolean DEBUG_DEXOPT = false;
247    private static final boolean DEBUG_ABI_SELECTION = false;
248
249    private static final int RADIO_UID = Process.PHONE_UID;
250    private static final int LOG_UID = Process.LOG_UID;
251    private static final int NFC_UID = Process.NFC_UID;
252    private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID;
253    private static final int SHELL_UID = Process.SHELL_UID;
254
255    // Cap the size of permission trees that 3rd party apps can define
256    private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768;     // characters of text
257
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_NO_DEX = 1<<1;
263    static final int SCAN_FORCE_DEX = 1<<2;
264    static final int SCAN_UPDATE_SIGNATURE = 1<<3;
265    static final int SCAN_NEW_INSTALL = 1<<4;
266    static final int SCAN_NO_PATHS = 1<<5;
267    static final int SCAN_UPDATE_TIME = 1<<6;
268    static final int SCAN_DEFER_DEX = 1<<7;
269    static final int SCAN_BOOTING = 1<<8;
270    static final int SCAN_TRUSTED_OVERLAY = 1<<9;
271    static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10;
272    static final int SCAN_REPLACING = 1<<11;
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     * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim
286     * be run on this device.  We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL
287     * settings entry if available, otherwise we use the hardcoded default.  If it's been
288     * more than this long since the last fstrim, we force one during the boot sequence.
289     *
290     * This backstops other fstrim scheduling:  if the device is alive at midnight+idle,
291     * one gets run at the next available charging+idle time.  This final mandatory
292     * no-fstrim check kicks in only of the other scheduling criteria is never met.
293     */
294    private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS;
295
296    /**
297     * Whether verification is enabled by default.
298     */
299    private static final boolean DEFAULT_VERIFY_ENABLE = true;
300
301    /**
302     * The default maximum time to wait for the verification agent to return in
303     * milliseconds.
304     */
305    private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000;
306
307    /**
308     * The default response for package verification timeout.
309     *
310     * This can be either PackageManager.VERIFICATION_ALLOW or
311     * PackageManager.VERIFICATION_REJECT.
312     */
313    private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW;
314
315    static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer";
316
317    static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName(
318            DEFAULT_CONTAINER_PACKAGE,
319            "com.android.defcontainer.DefaultContainerService");
320
321    private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
322
323    private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay";
324
325    private static String sPreferredInstructionSet;
326
327    final ServiceThread mHandlerThread;
328
329    private static final String IDMAP_PREFIX = "/data/resource-cache/";
330    private static final String IDMAP_SUFFIX = "@idmap";
331
332    final PackageHandler mHandler;
333
334    /**
335     * Messages for {@link #mHandler} that need to wait for system ready before
336     * being dispatched.
337     */
338    private ArrayList<Message> mPostSystemReadyMessages;
339
340    final int mSdkVersion = Build.VERSION.SDK_INT;
341
342    final Context mContext;
343    final boolean mFactoryTest;
344    final boolean mOnlyCore;
345    final boolean mLazyDexOpt;
346    final DisplayMetrics mMetrics;
347    final int mDefParseFlags;
348    final String[] mSeparateProcesses;
349
350    // This is where all application persistent data goes.
351    final File mAppDataDir;
352
353    // This is where all application persistent data goes for secondary users.
354    final File mUserAppDataDir;
355
356    /** The location for ASEC container files on internal storage. */
357    final String mAsecInternalPath;
358
359    // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages
360    // LOCK HELD.  Can be called with mInstallLock held.
361    final Installer mInstaller;
362
363    /** Directory where installed third-party apps stored */
364    final File mAppInstallDir;
365
366    /**
367     * Directory to which applications installed internally have their
368     * 32 bit native libraries copied.
369     */
370    private File mAppLib32InstallDir;
371
372    // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked
373    // apps.
374    final File mDrmAppPrivateInstallDir;
375
376    // ----------------------------------------------------------------
377
378    // Lock for state used when installing and doing other long running
379    // operations.  Methods that must be called with this lock held have
380    // the suffix "LI".
381    final Object mInstallLock = new Object();
382
383    // ----------------------------------------------------------------
384
385    // Keys are String (package name), values are Package.  This also serves
386    // as the lock for the global state.  Methods that must be called with
387    // this lock held have the prefix "LP".
388    final HashMap<String, PackageParser.Package> mPackages =
389            new HashMap<String, PackageParser.Package>();
390
391    // Tracks available target package names -> overlay package paths.
392    final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays =
393        new HashMap<String, HashMap<String, PackageParser.Package>>();
394
395    final Settings mSettings;
396    boolean mRestoredSettings;
397
398    // System configuration read by SystemConfig.
399    final int[] mGlobalGids;
400    final SparseArray<HashSet<String>> mSystemPermissions;
401    final HashMap<String, FeatureInfo> mAvailableFeatures;
402
403    // If mac_permissions.xml was found for seinfo labeling.
404    boolean mFoundPolicyFile;
405
406    // If a recursive restorecon of /data/data/<pkg> is needed.
407    private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon();
408
409    public static final class SharedLibraryEntry {
410        public final String path;
411        public final String apk;
412
413        SharedLibraryEntry(String _path, String _apk) {
414            path = _path;
415            apk = _apk;
416        }
417    }
418
419    // Currently known shared libraries.
420    final HashMap<String, SharedLibraryEntry> mSharedLibraries =
421            new HashMap<String, SharedLibraryEntry>();
422
423    // All available activities, for your resolving pleasure.
424    final ActivityIntentResolver mActivities =
425            new ActivityIntentResolver();
426
427    // All available receivers, for your resolving pleasure.
428    final ActivityIntentResolver mReceivers =
429            new ActivityIntentResolver();
430
431    // All available services, for your resolving pleasure.
432    final ServiceIntentResolver mServices = new ServiceIntentResolver();
433
434    // All available providers, for your resolving pleasure.
435    final ProviderIntentResolver mProviders = new ProviderIntentResolver();
436
437    // Mapping from provider base names (first directory in content URI codePath)
438    // to the provider information.
439    final HashMap<String, PackageParser.Provider> mProvidersByAuthority =
440            new HashMap<String, PackageParser.Provider>();
441
442    // Mapping from instrumentation class names to info about them.
443    final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation =
444            new HashMap<ComponentName, PackageParser.Instrumentation>();
445
446    // Mapping from permission names to info about them.
447    final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups =
448            new HashMap<String, PackageParser.PermissionGroup>();
449
450    // Packages whose data we have transfered into another package, thus
451    // should no longer exist.
452    final HashSet<String> mTransferedPackages = new HashSet<String>();
453
454    // Broadcast actions that are only available to the system.
455    final HashSet<String> mProtectedBroadcasts = new HashSet<String>();
456
457    /** List of packages waiting for verification. */
458    final SparseArray<PackageVerificationState> mPendingVerification
459            = new SparseArray<PackageVerificationState>();
460
461    /** Set of packages associated with each app op permission. */
462    final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>();
463
464    final PackageInstallerService mInstallerService;
465
466    HashSet<PackageParser.Package> mDeferredDexOpt = null;
467
468    // Cache of users who need badging.
469    SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray();
470
471    /** Token for keys in mPendingVerification. */
472    private int mPendingVerificationToken = 0;
473
474    volatile boolean mSystemReady;
475    volatile boolean mSafeMode;
476    volatile boolean mHasSystemUidErrors;
477
478    ApplicationInfo mAndroidApplication;
479    final ActivityInfo mResolveActivity = new ActivityInfo();
480    final ResolveInfo mResolveInfo = new ResolveInfo();
481    ComponentName mResolveComponentName;
482    PackageParser.Package mPlatformPackage;
483    ComponentName mCustomResolverComponentName;
484
485    boolean mResolverReplaced = false;
486
487    // Set of pending broadcasts for aggregating enable/disable of components.
488    static class PendingPackageBroadcasts {
489        // for each user id, a map of <package name -> components within that package>
490        final SparseArray<HashMap<String, ArrayList<String>>> mUidMap;
491
492        public PendingPackageBroadcasts() {
493            mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2);
494        }
495
496        public ArrayList<String> get(int userId, String packageName) {
497            HashMap<String, ArrayList<String>> packages = getOrAllocate(userId);
498            return packages.get(packageName);
499        }
500
501        public void put(int userId, String packageName, ArrayList<String> components) {
502            HashMap<String, ArrayList<String>> packages = getOrAllocate(userId);
503            packages.put(packageName, components);
504        }
505
506        public void remove(int userId, String packageName) {
507            HashMap<String, ArrayList<String>> packages = mUidMap.get(userId);
508            if (packages != null) {
509                packages.remove(packageName);
510            }
511        }
512
513        public void remove(int userId) {
514            mUidMap.remove(userId);
515        }
516
517        public int userIdCount() {
518            return mUidMap.size();
519        }
520
521        public int userIdAt(int n) {
522            return mUidMap.keyAt(n);
523        }
524
525        public HashMap<String, ArrayList<String>> packagesForUserId(int userId) {
526            return mUidMap.get(userId);
527        }
528
529        public int size() {
530            // total number of pending broadcast entries across all userIds
531            int num = 0;
532            for (int i = 0; i< mUidMap.size(); i++) {
533                num += mUidMap.valueAt(i).size();
534            }
535            return num;
536        }
537
538        public void clear() {
539            mUidMap.clear();
540        }
541
542        private HashMap<String, ArrayList<String>> getOrAllocate(int userId) {
543            HashMap<String, ArrayList<String>> map = mUidMap.get(userId);
544            if (map == null) {
545                map = new HashMap<String, ArrayList<String>>();
546                mUidMap.put(userId, map);
547            }
548            return map;
549        }
550    }
551    final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts();
552
553    // Service Connection to remote media container service to copy
554    // package uri's from external media onto secure containers
555    // or internal storage.
556    private IMediaContainerService mContainerService = null;
557
558    static final int SEND_PENDING_BROADCAST = 1;
559    static final int MCS_BOUND = 3;
560    static final int END_COPY = 4;
561    static final int INIT_COPY = 5;
562    static final int MCS_UNBIND = 6;
563    static final int START_CLEANING_PACKAGE = 7;
564    static final int FIND_INSTALL_LOC = 8;
565    static final int POST_INSTALL = 9;
566    static final int MCS_RECONNECT = 10;
567    static final int MCS_GIVE_UP = 11;
568    static final int UPDATED_MEDIA_STATUS = 12;
569    static final int WRITE_SETTINGS = 13;
570    static final int WRITE_PACKAGE_RESTRICTIONS = 14;
571    static final int PACKAGE_VERIFIED = 15;
572    static final int CHECK_PENDING_VERIFICATION = 16;
573
574    static final int WRITE_SETTINGS_DELAY = 10*1000;  // 10 seconds
575
576    // Delay time in millisecs
577    static final int BROADCAST_DELAY = 10 * 1000;
578
579    static UserManagerService sUserManager;
580
581    // Stores a list of users whose package restrictions file needs to be updated
582    private HashSet<Integer> mDirtyUsers = new HashSet<Integer>();
583
584    final private DefaultContainerConnection mDefContainerConn =
585            new DefaultContainerConnection();
586    class DefaultContainerConnection implements ServiceConnection {
587        public void onServiceConnected(ComponentName name, IBinder service) {
588            if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected");
589            IMediaContainerService imcs =
590                IMediaContainerService.Stub.asInterface(service);
591            mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs));
592        }
593
594        public void onServiceDisconnected(ComponentName name) {
595            if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected");
596        }
597    };
598
599    // Recordkeeping of restore-after-install operations that are currently in flight
600    // between the Package Manager and the Backup Manager
601    class PostInstallData {
602        public InstallArgs args;
603        public PackageInstalledInfo res;
604
605        PostInstallData(InstallArgs _a, PackageInstalledInfo _r) {
606            args = _a;
607            res = _r;
608        }
609    };
610    final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>();
611    int mNextInstallToken = 1;  // nonzero; will be wrapped back to 1 when ++ overflows
612
613    private final String mRequiredVerifierPackage;
614
615    private final PackageUsage mPackageUsage = new PackageUsage();
616
617    private class PackageUsage {
618        private static final int WRITE_INTERVAL
619            = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms
620
621        private final Object mFileLock = new Object();
622        private final AtomicLong mLastWritten = new AtomicLong(0);
623        private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false);
624
625        private boolean mIsHistoricalPackageUsageAvailable = true;
626
627        boolean isHistoricalPackageUsageAvailable() {
628            return mIsHistoricalPackageUsageAvailable;
629        }
630
631        void write(boolean force) {
632            if (force) {
633                writeInternal();
634                return;
635            }
636            if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL
637                && !DEBUG_DEXOPT) {
638                return;
639            }
640            if (mBackgroundWriteRunning.compareAndSet(false, true)) {
641                new Thread("PackageUsage_DiskWriter") {
642                    @Override
643                    public void run() {
644                        try {
645                            writeInternal();
646                        } finally {
647                            mBackgroundWriteRunning.set(false);
648                        }
649                    }
650                }.start();
651            }
652        }
653
654        private void writeInternal() {
655            synchronized (mPackages) {
656                synchronized (mFileLock) {
657                    AtomicFile file = getFile();
658                    FileOutputStream f = null;
659                    try {
660                        f = file.startWrite();
661                        BufferedOutputStream out = new BufferedOutputStream(f);
662                        FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID);
663                        StringBuilder sb = new StringBuilder();
664                        for (PackageParser.Package pkg : mPackages.values()) {
665                            if (pkg.mLastPackageUsageTimeInMills == 0) {
666                                continue;
667                            }
668                            sb.setLength(0);
669                            sb.append(pkg.packageName);
670                            sb.append(' ');
671                            sb.append((long)pkg.mLastPackageUsageTimeInMills);
672                            sb.append('\n');
673                            out.write(sb.toString().getBytes(StandardCharsets.US_ASCII));
674                        }
675                        out.flush();
676                        file.finishWrite(f);
677                    } catch (IOException e) {
678                        if (f != null) {
679                            file.failWrite(f);
680                        }
681                        Log.e(TAG, "Failed to write package usage times", e);
682                    }
683                }
684            }
685            mLastWritten.set(SystemClock.elapsedRealtime());
686        }
687
688        void readLP() {
689            synchronized (mFileLock) {
690                AtomicFile file = getFile();
691                BufferedInputStream in = null;
692                try {
693                    in = new BufferedInputStream(file.openRead());
694                    StringBuffer sb = new StringBuffer();
695                    while (true) {
696                        String packageName = readToken(in, sb, ' ');
697                        if (packageName == null) {
698                            break;
699                        }
700                        String timeInMillisString = readToken(in, sb, '\n');
701                        if (timeInMillisString == null) {
702                            throw new IOException("Failed to find last usage time for package "
703                                                  + packageName);
704                        }
705                        PackageParser.Package pkg = mPackages.get(packageName);
706                        if (pkg == null) {
707                            continue;
708                        }
709                        long timeInMillis;
710                        try {
711                            timeInMillis = Long.parseLong(timeInMillisString.toString());
712                        } catch (NumberFormatException e) {
713                            throw new IOException("Failed to parse " + timeInMillisString
714                                                  + " as a long.", e);
715                        }
716                        pkg.mLastPackageUsageTimeInMills = timeInMillis;
717                    }
718                } catch (FileNotFoundException expected) {
719                    mIsHistoricalPackageUsageAvailable = false;
720                } catch (IOException e) {
721                    Log.w(TAG, "Failed to read package usage times", e);
722                } finally {
723                    IoUtils.closeQuietly(in);
724                }
725            }
726            mLastWritten.set(SystemClock.elapsedRealtime());
727        }
728
729        private String readToken(InputStream in, StringBuffer sb, char endOfToken)
730                throws IOException {
731            sb.setLength(0);
732            while (true) {
733                int ch = in.read();
734                if (ch == -1) {
735                    if (sb.length() == 0) {
736                        return null;
737                    }
738                    throw new IOException("Unexpected EOF");
739                }
740                if (ch == endOfToken) {
741                    return sb.toString();
742                }
743                sb.append((char)ch);
744            }
745        }
746
747        private AtomicFile getFile() {
748            File dataDir = Environment.getDataDirectory();
749            File systemDir = new File(dataDir, "system");
750            File fname = new File(systemDir, "package-usage.list");
751            return new AtomicFile(fname);
752        }
753    }
754
755    class PackageHandler extends Handler {
756        private boolean mBound = false;
757        final ArrayList<HandlerParams> mPendingInstalls =
758            new ArrayList<HandlerParams>();
759
760        private boolean connectToService() {
761            if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" +
762                    " DefaultContainerService");
763            Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
764            Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
765            if (mContext.bindServiceAsUser(service, mDefContainerConn,
766                    Context.BIND_AUTO_CREATE, UserHandle.OWNER)) {
767                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
768                mBound = true;
769                return true;
770            }
771            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
772            return false;
773        }
774
775        private void disconnectService() {
776            mContainerService = null;
777            mBound = false;
778            Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
779            mContext.unbindService(mDefContainerConn);
780            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
781        }
782
783        PackageHandler(Looper looper) {
784            super(looper);
785        }
786
787        public void handleMessage(Message msg) {
788            try {
789                doHandleMessage(msg);
790            } finally {
791                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
792            }
793        }
794
795        void doHandleMessage(Message msg) {
796            switch (msg.what) {
797                case INIT_COPY: {
798                    HandlerParams params = (HandlerParams) msg.obj;
799                    int idx = mPendingInstalls.size();
800                    if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params);
801                    // If a bind was already initiated we dont really
802                    // need to do anything. The pending install
803                    // will be processed later on.
804                    if (!mBound) {
805                        // If this is the only one pending we might
806                        // have to bind to the service again.
807                        if (!connectToService()) {
808                            Slog.e(TAG, "Failed to bind to media container service");
809                            params.serviceError();
810                            return;
811                        } else {
812                            // Once we bind to the service, the first
813                            // pending request will be processed.
814                            mPendingInstalls.add(idx, params);
815                        }
816                    } else {
817                        mPendingInstalls.add(idx, params);
818                        // Already bound to the service. Just make
819                        // sure we trigger off processing the first request.
820                        if (idx == 0) {
821                            mHandler.sendEmptyMessage(MCS_BOUND);
822                        }
823                    }
824                    break;
825                }
826                case MCS_BOUND: {
827                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound");
828                    if (msg.obj != null) {
829                        mContainerService = (IMediaContainerService) msg.obj;
830                    }
831                    if (mContainerService == null) {
832                        // Something seriously wrong. Bail out
833                        Slog.e(TAG, "Cannot bind to media container service");
834                        for (HandlerParams params : mPendingInstalls) {
835                            // Indicate service bind error
836                            params.serviceError();
837                        }
838                        mPendingInstalls.clear();
839                    } else if (mPendingInstalls.size() > 0) {
840                        HandlerParams params = mPendingInstalls.get(0);
841                        if (params != null) {
842                            if (params.startCopy()) {
843                                // We are done...  look for more work or to
844                                // go idle.
845                                if (DEBUG_SD_INSTALL) Log.i(TAG,
846                                        "Checking for more work or unbind...");
847                                // Delete pending install
848                                if (mPendingInstalls.size() > 0) {
849                                    mPendingInstalls.remove(0);
850                                }
851                                if (mPendingInstalls.size() == 0) {
852                                    if (mBound) {
853                                        if (DEBUG_SD_INSTALL) Log.i(TAG,
854                                                "Posting delayed MCS_UNBIND");
855                                        removeMessages(MCS_UNBIND);
856                                        Message ubmsg = obtainMessage(MCS_UNBIND);
857                                        // Unbind after a little delay, to avoid
858                                        // continual thrashing.
859                                        sendMessageDelayed(ubmsg, 10000);
860                                    }
861                                } else {
862                                    // There are more pending requests in queue.
863                                    // Just post MCS_BOUND message to trigger processing
864                                    // of next pending install.
865                                    if (DEBUG_SD_INSTALL) Log.i(TAG,
866                                            "Posting MCS_BOUND for next work");
867                                    mHandler.sendEmptyMessage(MCS_BOUND);
868                                }
869                            }
870                        }
871                    } else {
872                        // Should never happen ideally.
873                        Slog.w(TAG, "Empty queue");
874                    }
875                    break;
876                }
877                case MCS_RECONNECT: {
878                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect");
879                    if (mPendingInstalls.size() > 0) {
880                        if (mBound) {
881                            disconnectService();
882                        }
883                        if (!connectToService()) {
884                            Slog.e(TAG, "Failed to bind to media container service");
885                            for (HandlerParams params : mPendingInstalls) {
886                                // Indicate service bind error
887                                params.serviceError();
888                            }
889                            mPendingInstalls.clear();
890                        }
891                    }
892                    break;
893                }
894                case MCS_UNBIND: {
895                    // If there is no actual work left, then time to unbind.
896                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind");
897
898                    if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) {
899                        if (mBound) {
900                            if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()");
901
902                            disconnectService();
903                        }
904                    } else if (mPendingInstalls.size() > 0) {
905                        // There are more pending requests in queue.
906                        // Just post MCS_BOUND message to trigger processing
907                        // of next pending install.
908                        mHandler.sendEmptyMessage(MCS_BOUND);
909                    }
910
911                    break;
912                }
913                case MCS_GIVE_UP: {
914                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries");
915                    mPendingInstalls.remove(0);
916                    break;
917                }
918                case SEND_PENDING_BROADCAST: {
919                    String packages[];
920                    ArrayList<String> components[];
921                    int size = 0;
922                    int uids[];
923                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
924                    synchronized (mPackages) {
925                        if (mPendingBroadcasts == null) {
926                            return;
927                        }
928                        size = mPendingBroadcasts.size();
929                        if (size <= 0) {
930                            // Nothing to be done. Just return
931                            return;
932                        }
933                        packages = new String[size];
934                        components = new ArrayList[size];
935                        uids = new int[size];
936                        int i = 0;  // filling out the above arrays
937
938                        for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) {
939                            int packageUserId = mPendingBroadcasts.userIdAt(n);
940                            Iterator<Map.Entry<String, ArrayList<String>>> it
941                                    = mPendingBroadcasts.packagesForUserId(packageUserId)
942                                            .entrySet().iterator();
943                            while (it.hasNext() && i < size) {
944                                Map.Entry<String, ArrayList<String>> ent = it.next();
945                                packages[i] = ent.getKey();
946                                components[i] = ent.getValue();
947                                PackageSetting ps = mSettings.mPackages.get(ent.getKey());
948                                uids[i] = (ps != null)
949                                        ? UserHandle.getUid(packageUserId, ps.appId)
950                                        : -1;
951                                i++;
952                            }
953                        }
954                        size = i;
955                        mPendingBroadcasts.clear();
956                    }
957                    // Send broadcasts
958                    for (int i = 0; i < size; i++) {
959                        sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]);
960                    }
961                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
962                    break;
963                }
964                case START_CLEANING_PACKAGE: {
965                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
966                    final String packageName = (String)msg.obj;
967                    final int userId = msg.arg1;
968                    final boolean andCode = msg.arg2 != 0;
969                    synchronized (mPackages) {
970                        if (userId == UserHandle.USER_ALL) {
971                            int[] users = sUserManager.getUserIds();
972                            for (int user : users) {
973                                mSettings.addPackageToCleanLPw(
974                                        new PackageCleanItem(user, packageName, andCode));
975                            }
976                        } else {
977                            mSettings.addPackageToCleanLPw(
978                                    new PackageCleanItem(userId, packageName, andCode));
979                        }
980                    }
981                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
982                    startCleaningPackages();
983                } break;
984                case POST_INSTALL: {
985                    if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1);
986                    PostInstallData data = mRunningInstalls.get(msg.arg1);
987                    mRunningInstalls.delete(msg.arg1);
988                    boolean deleteOld = false;
989
990                    if (data != null) {
991                        InstallArgs args = data.args;
992                        PackageInstalledInfo res = data.res;
993
994                        if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
995                            res.removedInfo.sendBroadcast(false, true, false);
996                            Bundle extras = new Bundle(1);
997                            extras.putInt(Intent.EXTRA_UID, res.uid);
998                            // Determine the set of users who are adding this
999                            // package for the first time vs. those who are seeing
1000                            // an update.
1001                            int[] firstUsers;
1002                            int[] updateUsers = new int[0];
1003                            if (res.origUsers == null || res.origUsers.length == 0) {
1004                                firstUsers = res.newUsers;
1005                            } else {
1006                                firstUsers = new int[0];
1007                                for (int i=0; i<res.newUsers.length; i++) {
1008                                    int user = res.newUsers[i];
1009                                    boolean isNew = true;
1010                                    for (int j=0; j<res.origUsers.length; j++) {
1011                                        if (res.origUsers[j] == user) {
1012                                            isNew = false;
1013                                            break;
1014                                        }
1015                                    }
1016                                    if (isNew) {
1017                                        int[] newFirst = new int[firstUsers.length+1];
1018                                        System.arraycopy(firstUsers, 0, newFirst, 0,
1019                                                firstUsers.length);
1020                                        newFirst[firstUsers.length] = user;
1021                                        firstUsers = newFirst;
1022                                    } else {
1023                                        int[] newUpdate = new int[updateUsers.length+1];
1024                                        System.arraycopy(updateUsers, 0, newUpdate, 0,
1025                                                updateUsers.length);
1026                                        newUpdate[updateUsers.length] = user;
1027                                        updateUsers = newUpdate;
1028                                    }
1029                                }
1030                            }
1031                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
1032                                    res.pkg.applicationInfo.packageName,
1033                                    extras, null, null, firstUsers);
1034                            final boolean update = res.removedInfo.removedPackage != null;
1035                            if (update) {
1036                                extras.putBoolean(Intent.EXTRA_REPLACING, true);
1037                            }
1038                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
1039                                    res.pkg.applicationInfo.packageName,
1040                                    extras, null, null, updateUsers);
1041                            if (update) {
1042                                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED,
1043                                        res.pkg.applicationInfo.packageName,
1044                                        extras, null, null, updateUsers);
1045                                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED,
1046                                        null, null,
1047                                        res.pkg.applicationInfo.packageName, null, updateUsers);
1048
1049                                // treat asec-hosted packages like removable media on upgrade
1050                                if (isForwardLocked(res.pkg) || isExternal(res.pkg)) {
1051                                    if (DEBUG_INSTALL) {
1052                                        Slog.i(TAG, "upgrading pkg " + res.pkg
1053                                                + " is ASEC-hosted -> AVAILABLE");
1054                                    }
1055                                    int[] uidArray = new int[] { res.pkg.applicationInfo.uid };
1056                                    ArrayList<String> pkgList = new ArrayList<String>(1);
1057                                    pkgList.add(res.pkg.applicationInfo.packageName);
1058                                    sendResourcesChangedBroadcast(true, true,
1059                                            pkgList,uidArray, null);
1060                                }
1061                            }
1062                            if (res.removedInfo.args != null) {
1063                                // Remove the replaced package's older resources safely now
1064                                deleteOld = true;
1065                            }
1066
1067                            // Log current value of "unknown sources" setting
1068                            EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED,
1069                                getUnknownSourcesSettings());
1070                        }
1071                        // Force a gc to clear up things
1072                        Runtime.getRuntime().gc();
1073                        // We delete after a gc for applications  on sdcard.
1074                        if (deleteOld) {
1075                            synchronized (mInstallLock) {
1076                                res.removedInfo.args.doPostDeleteLI(true);
1077                            }
1078                        }
1079                        if (args.observer != null) {
1080                            try {
1081                                Bundle extras = extrasForInstallResult(res);
1082                                args.observer.onPackageInstalled(res.name, res.returnCode,
1083                                        res.returnMsg, extras);
1084                            } catch (RemoteException e) {
1085                                Slog.i(TAG, "Observer no longer exists.");
1086                            }
1087                        }
1088                    } else {
1089                        Slog.e(TAG, "Bogus post-install token " + msg.arg1);
1090                    }
1091                } break;
1092                case UPDATED_MEDIA_STATUS: {
1093                    if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS");
1094                    boolean reportStatus = msg.arg1 == 1;
1095                    boolean doGc = msg.arg2 == 1;
1096                    if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc);
1097                    if (doGc) {
1098                        // Force a gc to clear up stale containers.
1099                        Runtime.getRuntime().gc();
1100                    }
1101                    if (msg.obj != null) {
1102                        @SuppressWarnings("unchecked")
1103                        Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj;
1104                        if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers");
1105                        // Unload containers
1106                        unloadAllContainers(args);
1107                    }
1108                    if (reportStatus) {
1109                        try {
1110                            if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back");
1111                            PackageHelper.getMountService().finishMediaUpdate();
1112                        } catch (RemoteException e) {
1113                            Log.e(TAG, "MountService not running?");
1114                        }
1115                    }
1116                } break;
1117                case WRITE_SETTINGS: {
1118                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1119                    synchronized (mPackages) {
1120                        removeMessages(WRITE_SETTINGS);
1121                        removeMessages(WRITE_PACKAGE_RESTRICTIONS);
1122                        mSettings.writeLPr();
1123                        mDirtyUsers.clear();
1124                    }
1125                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1126                } break;
1127                case WRITE_PACKAGE_RESTRICTIONS: {
1128                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1129                    synchronized (mPackages) {
1130                        removeMessages(WRITE_PACKAGE_RESTRICTIONS);
1131                        for (int userId : mDirtyUsers) {
1132                            mSettings.writePackageRestrictionsLPr(userId);
1133                        }
1134                        mDirtyUsers.clear();
1135                    }
1136                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1137                } break;
1138                case CHECK_PENDING_VERIFICATION: {
1139                    final int verificationId = msg.arg1;
1140                    final PackageVerificationState state = mPendingVerification.get(verificationId);
1141
1142                    if ((state != null) && !state.timeoutExtended()) {
1143                        final InstallArgs args = state.getInstallArgs();
1144                        final Uri originUri = Uri.fromFile(args.origin.resolvedFile);
1145
1146                        Slog.i(TAG, "Verification timed out for " + originUri);
1147                        mPendingVerification.remove(verificationId);
1148
1149                        int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
1150
1151                        if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) {
1152                            Slog.i(TAG, "Continuing with installation of " + originUri);
1153                            state.setVerifierResponse(Binder.getCallingUid(),
1154                                    PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT);
1155                            broadcastPackageVerified(verificationId, originUri,
1156                                    PackageManager.VERIFICATION_ALLOW,
1157                                    state.getInstallArgs().getUser());
1158                            try {
1159                                ret = args.copyApk(mContainerService, true);
1160                            } catch (RemoteException e) {
1161                                Slog.e(TAG, "Could not contact the ContainerService");
1162                            }
1163                        } else {
1164                            broadcastPackageVerified(verificationId, originUri,
1165                                    PackageManager.VERIFICATION_REJECT,
1166                                    state.getInstallArgs().getUser());
1167                        }
1168
1169                        processPendingInstall(args, ret);
1170                        mHandler.sendEmptyMessage(MCS_UNBIND);
1171                    }
1172                    break;
1173                }
1174                case PACKAGE_VERIFIED: {
1175                    final int verificationId = msg.arg1;
1176
1177                    final PackageVerificationState state = mPendingVerification.get(verificationId);
1178                    if (state == null) {
1179                        Slog.w(TAG, "Invalid verification token " + verificationId + " received");
1180                        break;
1181                    }
1182
1183                    final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj;
1184
1185                    state.setVerifierResponse(response.callerUid, response.code);
1186
1187                    if (state.isVerificationComplete()) {
1188                        mPendingVerification.remove(verificationId);
1189
1190                        final InstallArgs args = state.getInstallArgs();
1191                        final Uri originUri = Uri.fromFile(args.origin.resolvedFile);
1192
1193                        int ret;
1194                        if (state.isInstallAllowed()) {
1195                            ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
1196                            broadcastPackageVerified(verificationId, originUri,
1197                                    response.code, state.getInstallArgs().getUser());
1198                            try {
1199                                ret = args.copyApk(mContainerService, true);
1200                            } catch (RemoteException e) {
1201                                Slog.e(TAG, "Could not contact the ContainerService");
1202                            }
1203                        } else {
1204                            ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
1205                        }
1206
1207                        processPendingInstall(args, ret);
1208
1209                        mHandler.sendEmptyMessage(MCS_UNBIND);
1210                    }
1211
1212                    break;
1213                }
1214            }
1215        }
1216    }
1217
1218    Bundle extrasForInstallResult(PackageInstalledInfo res) {
1219        Bundle extras = null;
1220        switch (res.returnCode) {
1221            case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: {
1222                extras = new Bundle();
1223                extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION,
1224                        res.origPermission);
1225                extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE,
1226                        res.origPackage);
1227                break;
1228            }
1229        }
1230        return extras;
1231    }
1232
1233    void scheduleWriteSettingsLocked() {
1234        if (!mHandler.hasMessages(WRITE_SETTINGS)) {
1235            mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY);
1236        }
1237    }
1238
1239    void scheduleWritePackageRestrictionsLocked(int userId) {
1240        if (!sUserManager.exists(userId)) return;
1241        mDirtyUsers.add(userId);
1242        if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) {
1243            mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY);
1244        }
1245    }
1246
1247    public static final PackageManagerService main(Context context, Installer installer,
1248            boolean factoryTest, boolean onlyCore) {
1249        PackageManagerService m = new PackageManagerService(context, installer,
1250                factoryTest, onlyCore);
1251        ServiceManager.addService("package", m);
1252        return m;
1253    }
1254
1255    static String[] splitString(String str, char sep) {
1256        int count = 1;
1257        int i = 0;
1258        while ((i=str.indexOf(sep, i)) >= 0) {
1259            count++;
1260            i++;
1261        }
1262
1263        String[] res = new String[count];
1264        i=0;
1265        count = 0;
1266        int lastI=0;
1267        while ((i=str.indexOf(sep, i)) >= 0) {
1268            res[count] = str.substring(lastI, i);
1269            count++;
1270            i++;
1271            lastI = i;
1272        }
1273        res[count] = str.substring(lastI, str.length());
1274        return res;
1275    }
1276
1277    private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) {
1278        DisplayManager displayManager = (DisplayManager) context.getSystemService(
1279                Context.DISPLAY_SERVICE);
1280        displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics);
1281    }
1282
1283    public PackageManagerService(Context context, Installer installer,
1284            boolean factoryTest, boolean onlyCore) {
1285        EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START,
1286                SystemClock.uptimeMillis());
1287
1288        if (mSdkVersion <= 0) {
1289            Slog.w(TAG, "**** ro.build.version.sdk not set!");
1290        }
1291
1292        mContext = context;
1293        mFactoryTest = factoryTest;
1294        mOnlyCore = onlyCore;
1295        mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type"));
1296        mMetrics = new DisplayMetrics();
1297        mSettings = new Settings(context);
1298        mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID,
1299                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1300        mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID,
1301                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1302        mSettings.addSharedUserLPw("android.uid.log", LOG_UID,
1303                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1304        mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID,
1305                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1306        mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID,
1307                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1308        mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID,
1309                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1310
1311        String separateProcesses = SystemProperties.get("debug.separate_processes");
1312        if (separateProcesses != null && separateProcesses.length() > 0) {
1313            if ("*".equals(separateProcesses)) {
1314                mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES;
1315                mSeparateProcesses = null;
1316                Slog.w(TAG, "Running with debug.separate_processes: * (ALL)");
1317            } else {
1318                mDefParseFlags = 0;
1319                mSeparateProcesses = separateProcesses.split(",");
1320                Slog.w(TAG, "Running with debug.separate_processes: "
1321                        + separateProcesses);
1322            }
1323        } else {
1324            mDefParseFlags = 0;
1325            mSeparateProcesses = null;
1326        }
1327
1328        mInstaller = installer;
1329
1330        getDefaultDisplayMetrics(context, mMetrics);
1331
1332        SystemConfig systemConfig = SystemConfig.getInstance();
1333        mGlobalGids = systemConfig.getGlobalGids();
1334        mSystemPermissions = systemConfig.getSystemPermissions();
1335        mAvailableFeatures = systemConfig.getAvailableFeatures();
1336
1337        synchronized (mInstallLock) {
1338        // writer
1339        synchronized (mPackages) {
1340            mHandlerThread = new ServiceThread(TAG,
1341                    Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/);
1342            mHandlerThread.start();
1343            mHandler = new PackageHandler(mHandlerThread.getLooper());
1344            Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT);
1345
1346            File dataDir = Environment.getDataDirectory();
1347            mAppDataDir = new File(dataDir, "data");
1348            mAppInstallDir = new File(dataDir, "app");
1349            mAppLib32InstallDir = new File(dataDir, "app-lib");
1350            mAsecInternalPath = new File(dataDir, "app-asec").getPath();
1351            mUserAppDataDir = new File(dataDir, "user");
1352            mDrmAppPrivateInstallDir = new File(dataDir, "app-private");
1353
1354            sUserManager = new UserManagerService(context, this,
1355                    mInstallLock, mPackages);
1356
1357            // Propagate permission configuration in to package manager.
1358            ArrayMap<String, SystemConfig.PermissionEntry> permConfig
1359                    = systemConfig.getPermissions();
1360            for (int i=0; i<permConfig.size(); i++) {
1361                SystemConfig.PermissionEntry perm = permConfig.valueAt(i);
1362                BasePermission bp = mSettings.mPermissions.get(perm.name);
1363                if (bp == null) {
1364                    bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN);
1365                    mSettings.mPermissions.put(perm.name, bp);
1366                }
1367                if (perm.gids != null) {
1368                    bp.gids = appendInts(bp.gids, perm.gids);
1369                }
1370            }
1371
1372            ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries();
1373            for (int i=0; i<libConfig.size(); i++) {
1374                mSharedLibraries.put(libConfig.keyAt(i),
1375                        new SharedLibraryEntry(libConfig.valueAt(i), null));
1376            }
1377
1378            mFoundPolicyFile = SELinuxMMAC.readInstallPolicy();
1379
1380            mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false),
1381                    mSdkVersion, mOnlyCore);
1382
1383            String customResolverActivity = Resources.getSystem().getString(
1384                    R.string.config_customResolverActivity);
1385            if (TextUtils.isEmpty(customResolverActivity)) {
1386                customResolverActivity = null;
1387            } else {
1388                mCustomResolverComponentName = ComponentName.unflattenFromString(
1389                        customResolverActivity);
1390            }
1391
1392            long startTime = SystemClock.uptimeMillis();
1393
1394            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START,
1395                    startTime);
1396
1397            // Set flag to monitor and not change apk file paths when
1398            // scanning install directories.
1399            final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING;
1400
1401            final HashSet<String> alreadyDexOpted = new HashSet<String>();
1402
1403            /**
1404             * Add everything in the in the boot class path to the
1405             * list of process files because dexopt will have been run
1406             * if necessary during zygote startup.
1407             */
1408            final String bootClassPath = System.getenv("BOOTCLASSPATH");
1409            final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH");
1410
1411            if (bootClassPath != null) {
1412                String[] bootClassPathElements = splitString(bootClassPath, ':');
1413                for (String element : bootClassPathElements) {
1414                    alreadyDexOpted.add(element);
1415                }
1416            } else {
1417                Slog.w(TAG, "No BOOTCLASSPATH found!");
1418            }
1419
1420            if (systemServerClassPath != null) {
1421                String[] systemServerClassPathElements = splitString(systemServerClassPath, ':');
1422                for (String element : systemServerClassPathElements) {
1423                    alreadyDexOpted.add(element);
1424                }
1425            } else {
1426                Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!");
1427            }
1428
1429            boolean didDexOptLibraryOrTool = false;
1430
1431            final List<String> allInstructionSets = getAllInstructionSets();
1432            final String[] dexCodeInstructionSets =
1433                getDexCodeInstructionSets(allInstructionSets.toArray(new String[allInstructionSets.size()]));
1434
1435            /**
1436             * Ensure all external libraries have had dexopt run on them.
1437             */
1438            if (mSharedLibraries.size() > 0) {
1439                // NOTE: For now, we're compiling these system "shared libraries"
1440                // (and framework jars) into all available architectures. It's possible
1441                // to compile them only when we come across an app that uses them (there's
1442                // already logic for that in scanPackageLI) but that adds some complexity.
1443                for (String dexCodeInstructionSet : dexCodeInstructionSets) {
1444                    for (SharedLibraryEntry libEntry : mSharedLibraries.values()) {
1445                        final String lib = libEntry.path;
1446                        if (lib == null) {
1447                            continue;
1448                        }
1449
1450                        try {
1451                            byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null,
1452                                                                                 dexCodeInstructionSet,
1453                                                                                 false);
1454                            if (dexoptRequired != DexFile.UP_TO_DATE) {
1455                                alreadyDexOpted.add(lib);
1456
1457                                // The list of "shared libraries" we have at this point is
1458                                if (dexoptRequired == DexFile.DEXOPT_NEEDED) {
1459                                    mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet);
1460                                } else {
1461                                    mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet);
1462                                }
1463                                didDexOptLibraryOrTool = true;
1464                            }
1465                        } catch (FileNotFoundException e) {
1466                            Slog.w(TAG, "Library not found: " + lib);
1467                        } catch (IOException e) {
1468                            Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? "
1469                                    + e.getMessage());
1470                        }
1471                    }
1472                }
1473            }
1474
1475            File frameworkDir = new File(Environment.getRootDirectory(), "framework");
1476
1477            // Gross hack for now: we know this file doesn't contain any
1478            // code, so don't dexopt it to avoid the resulting log spew.
1479            alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk");
1480
1481            // Gross hack for now: we know this file is only part of
1482            // the boot class path for art, so don't dexopt it to
1483            // avoid the resulting log spew.
1484            alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar");
1485
1486            /**
1487             * And there are a number of commands implemented in Java, which
1488             * we currently need to do the dexopt on so that they can be
1489             * run from a non-root shell.
1490             */
1491            String[] frameworkFiles = frameworkDir.list();
1492            if (frameworkFiles != null) {
1493                // TODO: We could compile these only for the most preferred ABI. We should
1494                // first double check that the dex files for these commands are not referenced
1495                // by other system apps.
1496                for (String dexCodeInstructionSet : dexCodeInstructionSets) {
1497                    for (int i=0; i<frameworkFiles.length; i++) {
1498                        File libPath = new File(frameworkDir, frameworkFiles[i]);
1499                        String path = libPath.getPath();
1500                        // Skip the file if we already did it.
1501                        if (alreadyDexOpted.contains(path)) {
1502                            continue;
1503                        }
1504                        // Skip the file if it is not a type we want to dexopt.
1505                        if (!path.endsWith(".apk") && !path.endsWith(".jar")) {
1506                            continue;
1507                        }
1508                        try {
1509                            byte dexoptRequired = DexFile.isDexOptNeededInternal(path, null,
1510                                                                                 dexCodeInstructionSet,
1511                                                                                 false);
1512                            if (dexoptRequired == DexFile.DEXOPT_NEEDED) {
1513                                mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet);
1514                                didDexOptLibraryOrTool = true;
1515                            } else if (dexoptRequired == DexFile.PATCHOAT_NEEDED) {
1516                                mInstaller.patchoat(path, Process.SYSTEM_UID, true, dexCodeInstructionSet);
1517                                didDexOptLibraryOrTool = true;
1518                            }
1519                        } catch (FileNotFoundException e) {
1520                            Slog.w(TAG, "Jar not found: " + path);
1521                        } catch (IOException e) {
1522                            Slog.w(TAG, "Exception reading jar: " + path, e);
1523                        }
1524                    }
1525                }
1526            }
1527
1528            // Collect vendor overlay packages.
1529            // (Do this before scanning any apps.)
1530            // For security and version matching reason, only consider
1531            // overlay packages if they reside in VENDOR_OVERLAY_DIR.
1532            File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR);
1533            scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM
1534                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0);
1535
1536            // Find base frameworks (resource packages without code).
1537            scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM
1538                    | PackageParser.PARSE_IS_SYSTEM_DIR
1539                    | PackageParser.PARSE_IS_PRIVILEGED,
1540                    scanFlags | SCAN_NO_DEX, 0);
1541
1542            // Collected privileged system packages.
1543            final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app");
1544            scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM
1545                    | PackageParser.PARSE_IS_SYSTEM_DIR
1546                    | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0);
1547
1548            // Collect ordinary system packages.
1549            final File systemAppDir = new File(Environment.getRootDirectory(), "app");
1550            scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM
1551                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
1552
1553            // Collect all vendor packages.
1554            File vendorAppDir = new File("/vendor/app");
1555            try {
1556                vendorAppDir = vendorAppDir.getCanonicalFile();
1557            } catch (IOException e) {
1558                // failed to look up canonical path, continue with original one
1559            }
1560            scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM
1561                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
1562
1563            // Collect all OEM packages.
1564            final File oemAppDir = new File(Environment.getOemDirectory(), "app");
1565            scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM
1566                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
1567
1568            if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands");
1569            mInstaller.moveFiles();
1570
1571            // Prune any system packages that no longer exist.
1572            final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>();
1573            final ArrayMap<String, File> expectingBetter = new ArrayMap<>();
1574            if (!mOnlyCore) {
1575                Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
1576                while (psit.hasNext()) {
1577                    PackageSetting ps = psit.next();
1578
1579                    /*
1580                     * If this is not a system app, it can't be a
1581                     * disable system app.
1582                     */
1583                    if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) {
1584                        continue;
1585                    }
1586
1587                    /*
1588                     * If the package is scanned, it's not erased.
1589                     */
1590                    final PackageParser.Package scannedPkg = mPackages.get(ps.name);
1591                    if (scannedPkg != null) {
1592                        /*
1593                         * If the system app is both scanned and in the
1594                         * disabled packages list, then it must have been
1595                         * added via OTA. Remove it from the currently
1596                         * scanned package so the previously user-installed
1597                         * application can be scanned.
1598                         */
1599                        if (mSettings.isDisabledSystemPackageLPr(ps.name)) {
1600                            logCriticalInfo(Log.WARN, "Expecting better updated system app for "
1601                                    + ps.name + "; removing system app.  Last known codePath="
1602                                    + ps.codePathString + ", installStatus=" + ps.installStatus
1603                                    + ", versionCode=" + ps.versionCode + "; scanned versionCode="
1604                                    + scannedPkg.mVersionCode);
1605                            removePackageLI(ps, true);
1606                            expectingBetter.put(ps.name, ps.codePath);
1607                        }
1608
1609                        continue;
1610                    }
1611
1612                    if (!mSettings.isDisabledSystemPackageLPr(ps.name)) {
1613                        psit.remove();
1614                        logCriticalInfo(Log.WARN, "System package " + ps.name
1615                                + " no longer exists; wiping its data");
1616                        removeDataDirsLI(ps.name);
1617                    } else {
1618                        final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name);
1619                        if (disabledPs.codePath == null || !disabledPs.codePath.exists()) {
1620                            possiblyDeletedUpdatedSystemApps.add(ps.name);
1621                        }
1622                    }
1623                }
1624            }
1625
1626            //look for any incomplete package installations
1627            ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr();
1628            //clean up list
1629            for(int i = 0; i < deletePkgsList.size(); i++) {
1630                //clean up here
1631                cleanupInstallFailedPackage(deletePkgsList.get(i));
1632            }
1633            //delete tmp files
1634            deleteTempPackageFiles();
1635
1636            // Remove any shared userIDs that have no associated packages
1637            mSettings.pruneSharedUsersLPw();
1638
1639            if (!mOnlyCore) {
1640                EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START,
1641                        SystemClock.uptimeMillis());
1642                scanDirLI(mAppInstallDir, 0, scanFlags, 0);
1643
1644                scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK,
1645                        scanFlags, 0);
1646
1647                /**
1648                 * Remove disable package settings for any updated system
1649                 * apps that were removed via an OTA. If they're not a
1650                 * previously-updated app, remove them completely.
1651                 * Otherwise, just revoke their system-level permissions.
1652                 */
1653                for (String deletedAppName : possiblyDeletedUpdatedSystemApps) {
1654                    PackageParser.Package deletedPkg = mPackages.get(deletedAppName);
1655                    mSettings.removeDisabledSystemPackageLPw(deletedAppName);
1656
1657                    String msg;
1658                    if (deletedPkg == null) {
1659                        msg = "Updated system package " + deletedAppName
1660                                + " no longer exists; wiping its data";
1661                        removeDataDirsLI(deletedAppName);
1662                    } else {
1663                        msg = "Updated system app + " + deletedAppName
1664                                + " no longer present; removing system privileges for "
1665                                + deletedAppName;
1666
1667                        deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM;
1668
1669                        PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName);
1670                        deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM;
1671                    }
1672                    logCriticalInfo(Log.WARN, msg);
1673                }
1674
1675                /**
1676                 * Make sure all system apps that we expected to appear on
1677                 * the userdata partition actually showed up. If they never
1678                 * appeared, crawl back and revive the system version.
1679                 */
1680                for (int i = 0; i < expectingBetter.size(); i++) {
1681                    final String packageName = expectingBetter.keyAt(i);
1682                    if (!mPackages.containsKey(packageName)) {
1683                        final File scanFile = expectingBetter.valueAt(i);
1684
1685                        logCriticalInfo(Log.WARN, "Expected better " + packageName
1686                                + " but never showed up; reverting to system");
1687
1688                        final int reparseFlags;
1689                        if (FileUtils.contains(privilegedAppDir, scanFile)) {
1690                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
1691                                    | PackageParser.PARSE_IS_SYSTEM_DIR
1692                                    | PackageParser.PARSE_IS_PRIVILEGED;
1693                        } else if (FileUtils.contains(systemAppDir, scanFile)) {
1694                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
1695                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
1696                        } else if (FileUtils.contains(vendorAppDir, scanFile)) {
1697                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
1698                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
1699                        } else if (FileUtils.contains(oemAppDir, scanFile)) {
1700                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
1701                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
1702                        } else {
1703                            Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile);
1704                            continue;
1705                        }
1706
1707                        mSettings.enableSystemPackageLPw(packageName);
1708
1709                        try {
1710                            scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null);
1711                        } catch (PackageManagerException e) {
1712                            Slog.e(TAG, "Failed to parse original system package: "
1713                                    + e.getMessage());
1714                        }
1715                    }
1716                }
1717            }
1718
1719            // Now that we know all of the shared libraries, update all clients to have
1720            // the correct library paths.
1721            updateAllSharedLibrariesLPw();
1722
1723            for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) {
1724                // NOTE: We ignore potential failures here during a system scan (like
1725                // the rest of the commands above) because there's precious little we
1726                // can do about it. A settings error is reported, though.
1727                adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */,
1728                        false /* force dexopt */, false /* defer dexopt */);
1729            }
1730
1731            // Now that we know all the packages we are keeping,
1732            // read and update their last usage times.
1733            mPackageUsage.readLP();
1734
1735            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END,
1736                    SystemClock.uptimeMillis());
1737            Slog.i(TAG, "Time to scan packages: "
1738                    + ((SystemClock.uptimeMillis()-startTime)/1000f)
1739                    + " seconds");
1740
1741            // If the platform SDK has changed since the last time we booted,
1742            // we need to re-grant app permission to catch any new ones that
1743            // appear.  This is really a hack, and means that apps can in some
1744            // cases get permissions that the user didn't initially explicitly
1745            // allow...  it would be nice to have some better way to handle
1746            // this situation.
1747            final boolean regrantPermissions = mSettings.mInternalSdkPlatform
1748                    != mSdkVersion;
1749            if (regrantPermissions) Slog.i(TAG, "Platform changed from "
1750                    + mSettings.mInternalSdkPlatform + " to " + mSdkVersion
1751                    + "; regranting permissions for internal storage");
1752            mSettings.mInternalSdkPlatform = mSdkVersion;
1753
1754            updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
1755                    | (regrantPermissions
1756                            ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
1757                            : 0));
1758
1759            // If this is the first boot, and it is a normal boot, then
1760            // we need to initialize the default preferred apps.
1761            if (!mRestoredSettings && !onlyCore) {
1762                mSettings.readDefaultPreferredAppsLPw(this, 0);
1763            }
1764
1765            // If this is first boot after an OTA, and a normal boot, then
1766            // we need to clear code cache directories.
1767            if (!Build.FINGERPRINT.equals(mSettings.mFingerprint) && !onlyCore) {
1768                Slog.i(TAG, "Build fingerprint changed; clearing code caches");
1769                for (String pkgName : mSettings.mPackages.keySet()) {
1770                    deleteCodeCacheDirsLI(pkgName);
1771                }
1772                mSettings.mFingerprint = Build.FINGERPRINT;
1773            }
1774
1775            // All the changes are done during package scanning.
1776            mSettings.updateInternalDatabaseVersion();
1777
1778            // can downgrade to reader
1779            mSettings.writeLPr();
1780
1781            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY,
1782                    SystemClock.uptimeMillis());
1783
1784
1785            mRequiredVerifierPackage = getRequiredVerifierLPr();
1786        } // synchronized (mPackages)
1787        } // synchronized (mInstallLock)
1788
1789        mInstallerService = new PackageInstallerService(context, this, mAppInstallDir);
1790
1791        // Now after opening every single application zip, make sure they
1792        // are all flushed.  Not really needed, but keeps things nice and
1793        // tidy.
1794        Runtime.getRuntime().gc();
1795    }
1796
1797    @Override
1798    public boolean isFirstBoot() {
1799        return !mRestoredSettings;
1800    }
1801
1802    @Override
1803    public boolean isOnlyCoreApps() {
1804        return mOnlyCore;
1805    }
1806
1807    private String getRequiredVerifierLPr() {
1808        final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
1809        final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE,
1810                PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */);
1811
1812        String requiredVerifier = null;
1813
1814        final int N = receivers.size();
1815        for (int i = 0; i < N; i++) {
1816            final ResolveInfo info = receivers.get(i);
1817
1818            if (info.activityInfo == null) {
1819                continue;
1820            }
1821
1822            final String packageName = info.activityInfo.packageName;
1823
1824            final PackageSetting ps = mSettings.mPackages.get(packageName);
1825            if (ps == null) {
1826                continue;
1827            }
1828
1829            final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
1830            if (!gp.grantedPermissions
1831                    .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) {
1832                continue;
1833            }
1834
1835            if (requiredVerifier != null) {
1836                throw new RuntimeException("There can be only one required verifier");
1837            }
1838
1839            requiredVerifier = packageName;
1840        }
1841
1842        return requiredVerifier;
1843    }
1844
1845    @Override
1846    public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
1847            throws RemoteException {
1848        try {
1849            return super.onTransact(code, data, reply, flags);
1850        } catch (RuntimeException e) {
1851            if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) {
1852                Slog.wtf(TAG, "Package Manager Crash", e);
1853            }
1854            throw e;
1855        }
1856    }
1857
1858    void cleanupInstallFailedPackage(PackageSetting ps) {
1859        logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name);
1860
1861        removeDataDirsLI(ps.name);
1862        if (ps.codePath != null) {
1863            if (ps.codePath.isDirectory()) {
1864                FileUtils.deleteContents(ps.codePath);
1865            }
1866            ps.codePath.delete();
1867        }
1868        if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) {
1869            if (ps.resourcePath.isDirectory()) {
1870                FileUtils.deleteContents(ps.resourcePath);
1871            }
1872            ps.resourcePath.delete();
1873        }
1874        mSettings.removePackageLPw(ps.name);
1875    }
1876
1877    static int[] appendInts(int[] cur, int[] add) {
1878        if (add == null) return cur;
1879        if (cur == null) return add;
1880        final int N = add.length;
1881        for (int i=0; i<N; i++) {
1882            cur = appendInt(cur, add[i]);
1883        }
1884        return cur;
1885    }
1886
1887    static int[] removeInts(int[] cur, int[] rem) {
1888        if (rem == null) return cur;
1889        if (cur == null) return cur;
1890        final int N = rem.length;
1891        for (int i=0; i<N; i++) {
1892            cur = removeInt(cur, rem[i]);
1893        }
1894        return cur;
1895    }
1896
1897    PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) {
1898        if (!sUserManager.exists(userId)) return null;
1899        final PackageSetting ps = (PackageSetting) p.mExtras;
1900        if (ps == null) {
1901            return null;
1902        }
1903        final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
1904        final PackageUserState state = ps.readUserState(userId);
1905        return PackageParser.generatePackageInfo(p, gp.gids, flags,
1906                ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions,
1907                state, userId);
1908    }
1909
1910    @Override
1911    public boolean isPackageAvailable(String packageName, int userId) {
1912        if (!sUserManager.exists(userId)) return false;
1913        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available");
1914        synchronized (mPackages) {
1915            PackageParser.Package p = mPackages.get(packageName);
1916            if (p != null) {
1917                final PackageSetting ps = (PackageSetting) p.mExtras;
1918                if (ps != null) {
1919                    final PackageUserState state = ps.readUserState(userId);
1920                    if (state != null) {
1921                        return PackageParser.isAvailable(state);
1922                    }
1923                }
1924            }
1925        }
1926        return false;
1927    }
1928
1929    @Override
1930    public PackageInfo getPackageInfo(String packageName, int flags, int userId) {
1931        if (!sUserManager.exists(userId)) return null;
1932        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info");
1933        // reader
1934        synchronized (mPackages) {
1935            PackageParser.Package p = mPackages.get(packageName);
1936            if (DEBUG_PACKAGE_INFO)
1937                Log.v(TAG, "getPackageInfo " + packageName + ": " + p);
1938            if (p != null) {
1939                return generatePackageInfo(p, flags, userId);
1940            }
1941            if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
1942                return generatePackageInfoFromSettingsLPw(packageName, flags, userId);
1943            }
1944        }
1945        return null;
1946    }
1947
1948    @Override
1949    public String[] currentToCanonicalPackageNames(String[] names) {
1950        String[] out = new String[names.length];
1951        // reader
1952        synchronized (mPackages) {
1953            for (int i=names.length-1; i>=0; i--) {
1954                PackageSetting ps = mSettings.mPackages.get(names[i]);
1955                out[i] = ps != null && ps.realName != null ? ps.realName : names[i];
1956            }
1957        }
1958        return out;
1959    }
1960
1961    @Override
1962    public String[] canonicalToCurrentPackageNames(String[] names) {
1963        String[] out = new String[names.length];
1964        // reader
1965        synchronized (mPackages) {
1966            for (int i=names.length-1; i>=0; i--) {
1967                String cur = mSettings.mRenamedPackages.get(names[i]);
1968                out[i] = cur != null ? cur : names[i];
1969            }
1970        }
1971        return out;
1972    }
1973
1974    @Override
1975    public int getPackageUid(String packageName, int userId) {
1976        if (!sUserManager.exists(userId)) return -1;
1977        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid");
1978        // reader
1979        synchronized (mPackages) {
1980            PackageParser.Package p = mPackages.get(packageName);
1981            if(p != null) {
1982                return UserHandle.getUid(userId, p.applicationInfo.uid);
1983            }
1984            PackageSetting ps = mSettings.mPackages.get(packageName);
1985            if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) {
1986                return -1;
1987            }
1988            p = ps.pkg;
1989            return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1;
1990        }
1991    }
1992
1993    @Override
1994    public int[] getPackageGids(String packageName) {
1995        // reader
1996        synchronized (mPackages) {
1997            PackageParser.Package p = mPackages.get(packageName);
1998            if (DEBUG_PACKAGE_INFO)
1999                Log.v(TAG, "getPackageGids" + packageName + ": " + p);
2000            if (p != null) {
2001                final PackageSetting ps = (PackageSetting)p.mExtras;
2002                return ps.getGids();
2003            }
2004        }
2005        // stupid thing to indicate an error.
2006        return new int[0];
2007    }
2008
2009    static final PermissionInfo generatePermissionInfo(
2010            BasePermission bp, int flags) {
2011        if (bp.perm != null) {
2012            return PackageParser.generatePermissionInfo(bp.perm, flags);
2013        }
2014        PermissionInfo pi = new PermissionInfo();
2015        pi.name = bp.name;
2016        pi.packageName = bp.sourcePackage;
2017        pi.nonLocalizedLabel = bp.name;
2018        pi.protectionLevel = bp.protectionLevel;
2019        return pi;
2020    }
2021
2022    @Override
2023    public PermissionInfo getPermissionInfo(String name, int flags) {
2024        // reader
2025        synchronized (mPackages) {
2026            final BasePermission p = mSettings.mPermissions.get(name);
2027            if (p != null) {
2028                return generatePermissionInfo(p, flags);
2029            }
2030            return null;
2031        }
2032    }
2033
2034    @Override
2035    public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) {
2036        // reader
2037        synchronized (mPackages) {
2038            ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10);
2039            for (BasePermission p : mSettings.mPermissions.values()) {
2040                if (group == null) {
2041                    if (p.perm == null || p.perm.info.group == null) {
2042                        out.add(generatePermissionInfo(p, flags));
2043                    }
2044                } else {
2045                    if (p.perm != null && group.equals(p.perm.info.group)) {
2046                        out.add(PackageParser.generatePermissionInfo(p.perm, flags));
2047                    }
2048                }
2049            }
2050
2051            if (out.size() > 0) {
2052                return out;
2053            }
2054            return mPermissionGroups.containsKey(group) ? out : null;
2055        }
2056    }
2057
2058    @Override
2059    public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) {
2060        // reader
2061        synchronized (mPackages) {
2062            return PackageParser.generatePermissionGroupInfo(
2063                    mPermissionGroups.get(name), flags);
2064        }
2065    }
2066
2067    @Override
2068    public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
2069        // reader
2070        synchronized (mPackages) {
2071            final int N = mPermissionGroups.size();
2072            ArrayList<PermissionGroupInfo> out
2073                    = new ArrayList<PermissionGroupInfo>(N);
2074            for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) {
2075                out.add(PackageParser.generatePermissionGroupInfo(pg, flags));
2076            }
2077            return out;
2078        }
2079    }
2080
2081    private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags,
2082            int userId) {
2083        if (!sUserManager.exists(userId)) return null;
2084        PackageSetting ps = mSettings.mPackages.get(packageName);
2085        if (ps != null) {
2086            if (ps.pkg == null) {
2087                PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName,
2088                        flags, userId);
2089                if (pInfo != null) {
2090                    return pInfo.applicationInfo;
2091                }
2092                return null;
2093            }
2094            return PackageParser.generateApplicationInfo(ps.pkg, flags,
2095                    ps.readUserState(userId), userId);
2096        }
2097        return null;
2098    }
2099
2100    private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags,
2101            int userId) {
2102        if (!sUserManager.exists(userId)) return null;
2103        PackageSetting ps = mSettings.mPackages.get(packageName);
2104        if (ps != null) {
2105            PackageParser.Package pkg = ps.pkg;
2106            if (pkg == null) {
2107                if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) {
2108                    return null;
2109                }
2110                // Only data remains, so we aren't worried about code paths
2111                pkg = new PackageParser.Package(packageName);
2112                pkg.applicationInfo.packageName = packageName;
2113                pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY;
2114                pkg.applicationInfo.dataDir =
2115                        getDataPathForPackage(packageName, 0).getPath();
2116                pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString;
2117                pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString;
2118            }
2119            return generatePackageInfo(pkg, flags, userId);
2120        }
2121        return null;
2122    }
2123
2124    @Override
2125    public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) {
2126        if (!sUserManager.exists(userId)) return null;
2127        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info");
2128        // writer
2129        synchronized (mPackages) {
2130            PackageParser.Package p = mPackages.get(packageName);
2131            if (DEBUG_PACKAGE_INFO) Log.v(
2132                    TAG, "getApplicationInfo " + packageName
2133                    + ": " + p);
2134            if (p != null) {
2135                PackageSetting ps = mSettings.mPackages.get(packageName);
2136                if (ps == null) return null;
2137                // Note: isEnabledLP() does not apply here - always return info
2138                return PackageParser.generateApplicationInfo(
2139                        p, flags, ps.readUserState(userId), userId);
2140            }
2141            if ("android".equals(packageName)||"system".equals(packageName)) {
2142                return mAndroidApplication;
2143            }
2144            if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
2145                return generateApplicationInfoFromSettingsLPw(packageName, flags, userId);
2146            }
2147        }
2148        return null;
2149    }
2150
2151
2152    @Override
2153    public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) {
2154        mContext.enforceCallingOrSelfPermission(
2155                android.Manifest.permission.CLEAR_APP_CACHE, null);
2156        // Queue up an async operation since clearing cache may take a little while.
2157        mHandler.post(new Runnable() {
2158            public void run() {
2159                mHandler.removeCallbacks(this);
2160                int retCode = -1;
2161                synchronized (mInstallLock) {
2162                    retCode = mInstaller.freeCache(freeStorageSize);
2163                    if (retCode < 0) {
2164                        Slog.w(TAG, "Couldn't clear application caches");
2165                    }
2166                }
2167                if (observer != null) {
2168                    try {
2169                        observer.onRemoveCompleted(null, (retCode >= 0));
2170                    } catch (RemoteException e) {
2171                        Slog.w(TAG, "RemoveException when invoking call back");
2172                    }
2173                }
2174            }
2175        });
2176    }
2177
2178    @Override
2179    public void freeStorage(final long freeStorageSize, final IntentSender pi) {
2180        mContext.enforceCallingOrSelfPermission(
2181                android.Manifest.permission.CLEAR_APP_CACHE, null);
2182        // Queue up an async operation since clearing cache may take a little while.
2183        mHandler.post(new Runnable() {
2184            public void run() {
2185                mHandler.removeCallbacks(this);
2186                int retCode = -1;
2187                synchronized (mInstallLock) {
2188                    retCode = mInstaller.freeCache(freeStorageSize);
2189                    if (retCode < 0) {
2190                        Slog.w(TAG, "Couldn't clear application caches");
2191                    }
2192                }
2193                if(pi != null) {
2194                    try {
2195                        // Callback via pending intent
2196                        int code = (retCode >= 0) ? 1 : 0;
2197                        pi.sendIntent(null, code, null,
2198                                null, null);
2199                    } catch (SendIntentException e1) {
2200                        Slog.i(TAG, "Failed to send pending intent");
2201                    }
2202                }
2203            }
2204        });
2205    }
2206
2207    void freeStorage(long freeStorageSize) throws IOException {
2208        synchronized (mInstallLock) {
2209            if (mInstaller.freeCache(freeStorageSize) < 0) {
2210                throw new IOException("Failed to free enough space");
2211            }
2212        }
2213    }
2214
2215    @Override
2216    public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) {
2217        if (!sUserManager.exists(userId)) return null;
2218        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info");
2219        synchronized (mPackages) {
2220            PackageParser.Activity a = mActivities.mActivities.get(component);
2221
2222            if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a);
2223            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
2224                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2225                if (ps == null) return null;
2226                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
2227                        userId);
2228            }
2229            if (mResolveComponentName.equals(component)) {
2230                return PackageParser.generateActivityInfo(mResolveActivity, flags,
2231                        new PackageUserState(), userId);
2232            }
2233        }
2234        return null;
2235    }
2236
2237    @Override
2238    public boolean activitySupportsIntent(ComponentName component, Intent intent,
2239            String resolvedType) {
2240        synchronized (mPackages) {
2241            PackageParser.Activity a = mActivities.mActivities.get(component);
2242            if (a == null) {
2243                return false;
2244            }
2245            for (int i=0; i<a.intents.size(); i++) {
2246                if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(),
2247                        intent.getData(), intent.getCategories(), TAG) >= 0) {
2248                    return true;
2249                }
2250            }
2251            return false;
2252        }
2253    }
2254
2255    @Override
2256    public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) {
2257        if (!sUserManager.exists(userId)) return null;
2258        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info");
2259        synchronized (mPackages) {
2260            PackageParser.Activity a = mReceivers.mActivities.get(component);
2261            if (DEBUG_PACKAGE_INFO) Log.v(
2262                TAG, "getReceiverInfo " + component + ": " + a);
2263            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
2264                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2265                if (ps == null) return null;
2266                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
2267                        userId);
2268            }
2269        }
2270        return null;
2271    }
2272
2273    @Override
2274    public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) {
2275        if (!sUserManager.exists(userId)) return null;
2276        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info");
2277        synchronized (mPackages) {
2278            PackageParser.Service s = mServices.mServices.get(component);
2279            if (DEBUG_PACKAGE_INFO) Log.v(
2280                TAG, "getServiceInfo " + component + ": " + s);
2281            if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) {
2282                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2283                if (ps == null) return null;
2284                return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId),
2285                        userId);
2286            }
2287        }
2288        return null;
2289    }
2290
2291    @Override
2292    public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) {
2293        if (!sUserManager.exists(userId)) return null;
2294        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info");
2295        synchronized (mPackages) {
2296            PackageParser.Provider p = mProviders.mProviders.get(component);
2297            if (DEBUG_PACKAGE_INFO) Log.v(
2298                TAG, "getProviderInfo " + component + ": " + p);
2299            if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) {
2300                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2301                if (ps == null) return null;
2302                return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId),
2303                        userId);
2304            }
2305        }
2306        return null;
2307    }
2308
2309    @Override
2310    public String[] getSystemSharedLibraryNames() {
2311        Set<String> libSet;
2312        synchronized (mPackages) {
2313            libSet = mSharedLibraries.keySet();
2314            int size = libSet.size();
2315            if (size > 0) {
2316                String[] libs = new String[size];
2317                libSet.toArray(libs);
2318                return libs;
2319            }
2320        }
2321        return null;
2322    }
2323
2324    @Override
2325    public FeatureInfo[] getSystemAvailableFeatures() {
2326        Collection<FeatureInfo> featSet;
2327        synchronized (mPackages) {
2328            featSet = mAvailableFeatures.values();
2329            int size = featSet.size();
2330            if (size > 0) {
2331                FeatureInfo[] features = new FeatureInfo[size+1];
2332                featSet.toArray(features);
2333                FeatureInfo fi = new FeatureInfo();
2334                fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version",
2335                        FeatureInfo.GL_ES_VERSION_UNDEFINED);
2336                features[size] = fi;
2337                return features;
2338            }
2339        }
2340        return null;
2341    }
2342
2343    @Override
2344    public boolean hasSystemFeature(String name) {
2345        synchronized (mPackages) {
2346            return mAvailableFeatures.containsKey(name);
2347        }
2348    }
2349
2350    private void checkValidCaller(int uid, int userId) {
2351        if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0)
2352            return;
2353
2354        throw new SecurityException("Caller uid=" + uid
2355                + " is not privileged to communicate with user=" + userId);
2356    }
2357
2358    @Override
2359    public int checkPermission(String permName, String pkgName) {
2360        synchronized (mPackages) {
2361            PackageParser.Package p = mPackages.get(pkgName);
2362            if (p != null && p.mExtras != null) {
2363                PackageSetting ps = (PackageSetting)p.mExtras;
2364                if (ps.sharedUser != null) {
2365                    if (ps.sharedUser.grantedPermissions.contains(permName)) {
2366                        return PackageManager.PERMISSION_GRANTED;
2367                    }
2368                } else if (ps.grantedPermissions.contains(permName)) {
2369                    return PackageManager.PERMISSION_GRANTED;
2370                }
2371            }
2372        }
2373        return PackageManager.PERMISSION_DENIED;
2374    }
2375
2376    @Override
2377    public int checkUidPermission(String permName, int uid) {
2378        synchronized (mPackages) {
2379            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
2380            if (obj != null) {
2381                GrantedPermissions gp = (GrantedPermissions)obj;
2382                if (gp.grantedPermissions.contains(permName)) {
2383                    return PackageManager.PERMISSION_GRANTED;
2384                }
2385            } else {
2386                HashSet<String> perms = mSystemPermissions.get(uid);
2387                if (perms != null && perms.contains(permName)) {
2388                    return PackageManager.PERMISSION_GRANTED;
2389                }
2390            }
2391        }
2392        return PackageManager.PERMISSION_DENIED;
2393    }
2394
2395    /**
2396     * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS
2397     * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller.
2398     * @param checkShell TODO(yamasani):
2399     * @param message the message to log on security exception
2400     */
2401    void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission,
2402            boolean checkShell, String message) {
2403        if (userId < 0) {
2404            throw new IllegalArgumentException("Invalid userId " + userId);
2405        }
2406        if (checkShell) {
2407            enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId);
2408        }
2409        if (userId == UserHandle.getUserId(callingUid)) return;
2410        if (callingUid != Process.SYSTEM_UID && callingUid != 0) {
2411            if (requireFullPermission) {
2412                mContext.enforceCallingOrSelfPermission(
2413                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
2414            } else {
2415                try {
2416                    mContext.enforceCallingOrSelfPermission(
2417                            android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
2418                } catch (SecurityException se) {
2419                    mContext.enforceCallingOrSelfPermission(
2420                            android.Manifest.permission.INTERACT_ACROSS_USERS, message);
2421                }
2422            }
2423        }
2424    }
2425
2426    void enforceShellRestriction(String restriction, int callingUid, int userHandle) {
2427        if (callingUid == Process.SHELL_UID) {
2428            if (userHandle >= 0
2429                    && sUserManager.hasUserRestriction(restriction, userHandle)) {
2430                throw new SecurityException("Shell does not have permission to access user "
2431                        + userHandle);
2432            } else if (userHandle < 0) {
2433                Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t"
2434                        + Debug.getCallers(3));
2435            }
2436        }
2437    }
2438
2439    private BasePermission findPermissionTreeLP(String permName) {
2440        for(BasePermission bp : mSettings.mPermissionTrees.values()) {
2441            if (permName.startsWith(bp.name) &&
2442                    permName.length() > bp.name.length() &&
2443                    permName.charAt(bp.name.length()) == '.') {
2444                return bp;
2445            }
2446        }
2447        return null;
2448    }
2449
2450    private BasePermission checkPermissionTreeLP(String permName) {
2451        if (permName != null) {
2452            BasePermission bp = findPermissionTreeLP(permName);
2453            if (bp != null) {
2454                if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) {
2455                    return bp;
2456                }
2457                throw new SecurityException("Calling uid "
2458                        + Binder.getCallingUid()
2459                        + " is not allowed to add to permission tree "
2460                        + bp.name + " owned by uid " + bp.uid);
2461            }
2462        }
2463        throw new SecurityException("No permission tree found for " + permName);
2464    }
2465
2466    static boolean compareStrings(CharSequence s1, CharSequence s2) {
2467        if (s1 == null) {
2468            return s2 == null;
2469        }
2470        if (s2 == null) {
2471            return false;
2472        }
2473        if (s1.getClass() != s2.getClass()) {
2474            return false;
2475        }
2476        return s1.equals(s2);
2477    }
2478
2479    static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) {
2480        if (pi1.icon != pi2.icon) return false;
2481        if (pi1.logo != pi2.logo) return false;
2482        if (pi1.protectionLevel != pi2.protectionLevel) return false;
2483        if (!compareStrings(pi1.name, pi2.name)) return false;
2484        if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false;
2485        // We'll take care of setting this one.
2486        if (!compareStrings(pi1.packageName, pi2.packageName)) return false;
2487        // These are not currently stored in settings.
2488        //if (!compareStrings(pi1.group, pi2.group)) return false;
2489        //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false;
2490        //if (pi1.labelRes != pi2.labelRes) return false;
2491        //if (pi1.descriptionRes != pi2.descriptionRes) return false;
2492        return true;
2493    }
2494
2495    int permissionInfoFootprint(PermissionInfo info) {
2496        int size = info.name.length();
2497        if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length();
2498        if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length();
2499        return size;
2500    }
2501
2502    int calculateCurrentPermissionFootprintLocked(BasePermission tree) {
2503        int size = 0;
2504        for (BasePermission perm : mSettings.mPermissions.values()) {
2505            if (perm.uid == tree.uid) {
2506                size += perm.name.length() + permissionInfoFootprint(perm.perm.info);
2507            }
2508        }
2509        return size;
2510    }
2511
2512    void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) {
2513        // We calculate the max size of permissions defined by this uid and throw
2514        // if that plus the size of 'info' would exceed our stated maximum.
2515        if (tree.uid != Process.SYSTEM_UID) {
2516            final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree);
2517            if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) {
2518                throw new SecurityException("Permission tree size cap exceeded");
2519            }
2520        }
2521    }
2522
2523    boolean addPermissionLocked(PermissionInfo info, boolean async) {
2524        if (info.labelRes == 0 && info.nonLocalizedLabel == null) {
2525            throw new SecurityException("Label must be specified in permission");
2526        }
2527        BasePermission tree = checkPermissionTreeLP(info.name);
2528        BasePermission bp = mSettings.mPermissions.get(info.name);
2529        boolean added = bp == null;
2530        boolean changed = true;
2531        int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel);
2532        if (added) {
2533            enforcePermissionCapLocked(info, tree);
2534            bp = new BasePermission(info.name, tree.sourcePackage,
2535                    BasePermission.TYPE_DYNAMIC);
2536        } else if (bp.type != BasePermission.TYPE_DYNAMIC) {
2537            throw new SecurityException(
2538                    "Not allowed to modify non-dynamic permission "
2539                    + info.name);
2540        } else {
2541            if (bp.protectionLevel == fixedLevel
2542                    && bp.perm.owner.equals(tree.perm.owner)
2543                    && bp.uid == tree.uid
2544                    && comparePermissionInfos(bp.perm.info, info)) {
2545                changed = false;
2546            }
2547        }
2548        bp.protectionLevel = fixedLevel;
2549        info = new PermissionInfo(info);
2550        info.protectionLevel = fixedLevel;
2551        bp.perm = new PackageParser.Permission(tree.perm.owner, info);
2552        bp.perm.info.packageName = tree.perm.info.packageName;
2553        bp.uid = tree.uid;
2554        if (added) {
2555            mSettings.mPermissions.put(info.name, bp);
2556        }
2557        if (changed) {
2558            if (!async) {
2559                mSettings.writeLPr();
2560            } else {
2561                scheduleWriteSettingsLocked();
2562            }
2563        }
2564        return added;
2565    }
2566
2567    @Override
2568    public boolean addPermission(PermissionInfo info) {
2569        synchronized (mPackages) {
2570            return addPermissionLocked(info, false);
2571        }
2572    }
2573
2574    @Override
2575    public boolean addPermissionAsync(PermissionInfo info) {
2576        synchronized (mPackages) {
2577            return addPermissionLocked(info, true);
2578        }
2579    }
2580
2581    @Override
2582    public void removePermission(String name) {
2583        synchronized (mPackages) {
2584            checkPermissionTreeLP(name);
2585            BasePermission bp = mSettings.mPermissions.get(name);
2586            if (bp != null) {
2587                if (bp.type != BasePermission.TYPE_DYNAMIC) {
2588                    throw new SecurityException(
2589                            "Not allowed to modify non-dynamic permission "
2590                            + name);
2591                }
2592                mSettings.mPermissions.remove(name);
2593                mSettings.writeLPr();
2594            }
2595        }
2596    }
2597
2598    private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) {
2599        int index = pkg.requestedPermissions.indexOf(bp.name);
2600        if (index == -1) {
2601            throw new SecurityException("Package " + pkg.packageName
2602                    + " has not requested permission " + bp.name);
2603        }
2604        boolean isNormal =
2605                ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE)
2606                        == PermissionInfo.PROTECTION_NORMAL);
2607        boolean isDangerous =
2608                ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE)
2609                        == PermissionInfo.PROTECTION_DANGEROUS);
2610        boolean isDevelopment =
2611                ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0);
2612
2613        if (!isNormal && !isDangerous && !isDevelopment) {
2614            throw new SecurityException("Permission " + bp.name
2615                    + " is not a changeable permission type");
2616        }
2617
2618        if (isNormal || isDangerous) {
2619            if (pkg.requestedPermissionsRequired.get(index)) {
2620                throw new SecurityException("Can't change " + bp.name
2621                        + ". It is required by the application");
2622            }
2623        }
2624    }
2625
2626    @Override
2627    public void grantPermission(String packageName, String permissionName) {
2628        mContext.enforceCallingOrSelfPermission(
2629                android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null);
2630        synchronized (mPackages) {
2631            final PackageParser.Package pkg = mPackages.get(packageName);
2632            if (pkg == null) {
2633                throw new IllegalArgumentException("Unknown package: " + packageName);
2634            }
2635            final BasePermission bp = mSettings.mPermissions.get(permissionName);
2636            if (bp == null) {
2637                throw new IllegalArgumentException("Unknown permission: " + permissionName);
2638            }
2639
2640            checkGrantRevokePermissions(pkg, bp);
2641
2642            final PackageSetting ps = (PackageSetting) pkg.mExtras;
2643            if (ps == null) {
2644                return;
2645            }
2646            final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps;
2647            if (gp.grantedPermissions.add(permissionName)) {
2648                if (ps.haveGids) {
2649                    gp.gids = appendInts(gp.gids, bp.gids);
2650                }
2651                mSettings.writeLPr();
2652            }
2653        }
2654    }
2655
2656    @Override
2657    public void revokePermission(String packageName, String permissionName) {
2658        int changedAppId = -1;
2659
2660        synchronized (mPackages) {
2661            final PackageParser.Package pkg = mPackages.get(packageName);
2662            if (pkg == null) {
2663                throw new IllegalArgumentException("Unknown package: " + packageName);
2664            }
2665            if (pkg.applicationInfo.uid != Binder.getCallingUid()) {
2666                mContext.enforceCallingOrSelfPermission(
2667                        android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null);
2668            }
2669            final BasePermission bp = mSettings.mPermissions.get(permissionName);
2670            if (bp == null) {
2671                throw new IllegalArgumentException("Unknown permission: " + permissionName);
2672            }
2673
2674            checkGrantRevokePermissions(pkg, bp);
2675
2676            final PackageSetting ps = (PackageSetting) pkg.mExtras;
2677            if (ps == null) {
2678                return;
2679            }
2680            final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps;
2681            if (gp.grantedPermissions.remove(permissionName)) {
2682                gp.grantedPermissions.remove(permissionName);
2683                if (ps.haveGids) {
2684                    gp.gids = removeInts(gp.gids, bp.gids);
2685                }
2686                mSettings.writeLPr();
2687                changedAppId = ps.appId;
2688            }
2689        }
2690
2691        if (changedAppId >= 0) {
2692            // We changed the perm on someone, kill its processes.
2693            IActivityManager am = ActivityManagerNative.getDefault();
2694            if (am != null) {
2695                final int callingUserId = UserHandle.getCallingUserId();
2696                final long ident = Binder.clearCallingIdentity();
2697                try {
2698                    //XXX we should only revoke for the calling user's app permissions,
2699                    // but for now we impact all users.
2700                    //am.killUid(UserHandle.getUid(callingUserId, changedAppId),
2701                    //        "revoke " + permissionName);
2702                    int[] users = sUserManager.getUserIds();
2703                    for (int user : users) {
2704                        am.killUid(UserHandle.getUid(user, changedAppId),
2705                                "revoke " + permissionName);
2706                    }
2707                } catch (RemoteException e) {
2708                } finally {
2709                    Binder.restoreCallingIdentity(ident);
2710                }
2711            }
2712        }
2713    }
2714
2715    @Override
2716    public boolean isProtectedBroadcast(String actionName) {
2717        synchronized (mPackages) {
2718            return mProtectedBroadcasts.contains(actionName);
2719        }
2720    }
2721
2722    @Override
2723    public int checkSignatures(String pkg1, String pkg2) {
2724        synchronized (mPackages) {
2725            final PackageParser.Package p1 = mPackages.get(pkg1);
2726            final PackageParser.Package p2 = mPackages.get(pkg2);
2727            if (p1 == null || p1.mExtras == null
2728                    || p2 == null || p2.mExtras == null) {
2729                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2730            }
2731            return compareSignatures(p1.mSignatures, p2.mSignatures);
2732        }
2733    }
2734
2735    @Override
2736    public int checkUidSignatures(int uid1, int uid2) {
2737        // Map to base uids.
2738        uid1 = UserHandle.getAppId(uid1);
2739        uid2 = UserHandle.getAppId(uid2);
2740        // reader
2741        synchronized (mPackages) {
2742            Signature[] s1;
2743            Signature[] s2;
2744            Object obj = mSettings.getUserIdLPr(uid1);
2745            if (obj != null) {
2746                if (obj instanceof SharedUserSetting) {
2747                    s1 = ((SharedUserSetting)obj).signatures.mSignatures;
2748                } else if (obj instanceof PackageSetting) {
2749                    s1 = ((PackageSetting)obj).signatures.mSignatures;
2750                } else {
2751                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2752                }
2753            } else {
2754                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2755            }
2756            obj = mSettings.getUserIdLPr(uid2);
2757            if (obj != null) {
2758                if (obj instanceof SharedUserSetting) {
2759                    s2 = ((SharedUserSetting)obj).signatures.mSignatures;
2760                } else if (obj instanceof PackageSetting) {
2761                    s2 = ((PackageSetting)obj).signatures.mSignatures;
2762                } else {
2763                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2764                }
2765            } else {
2766                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2767            }
2768            return compareSignatures(s1, s2);
2769        }
2770    }
2771
2772    /**
2773     * Compares two sets of signatures. Returns:
2774     * <br />
2775     * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null,
2776     * <br />
2777     * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null,
2778     * <br />
2779     * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null,
2780     * <br />
2781     * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical,
2782     * <br />
2783     * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ.
2784     */
2785    static int compareSignatures(Signature[] s1, Signature[] s2) {
2786        if (s1 == null) {
2787            return s2 == null
2788                    ? PackageManager.SIGNATURE_NEITHER_SIGNED
2789                    : PackageManager.SIGNATURE_FIRST_NOT_SIGNED;
2790        }
2791
2792        if (s2 == null) {
2793            return PackageManager.SIGNATURE_SECOND_NOT_SIGNED;
2794        }
2795
2796        if (s1.length != s2.length) {
2797            return PackageManager.SIGNATURE_NO_MATCH;
2798        }
2799
2800        // Since both signature sets are of size 1, we can compare without HashSets.
2801        if (s1.length == 1) {
2802            return s1[0].equals(s2[0]) ?
2803                    PackageManager.SIGNATURE_MATCH :
2804                    PackageManager.SIGNATURE_NO_MATCH;
2805        }
2806
2807        HashSet<Signature> set1 = new HashSet<Signature>();
2808        for (Signature sig : s1) {
2809            set1.add(sig);
2810        }
2811        HashSet<Signature> set2 = new HashSet<Signature>();
2812        for (Signature sig : s2) {
2813            set2.add(sig);
2814        }
2815        // Make sure s2 contains all signatures in s1.
2816        if (set1.equals(set2)) {
2817            return PackageManager.SIGNATURE_MATCH;
2818        }
2819        return PackageManager.SIGNATURE_NO_MATCH;
2820    }
2821
2822    /**
2823     * If the database version for this type of package (internal storage or
2824     * external storage) is less than the version where package signatures
2825     * were updated, return true.
2826     */
2827    private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) {
2828        return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan(
2829                DatabaseVersion.SIGNATURE_END_ENTITY))
2830                || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan(
2831                        DatabaseVersion.SIGNATURE_END_ENTITY));
2832    }
2833
2834    /**
2835     * Used for backward compatibility to make sure any packages with
2836     * certificate chains get upgraded to the new style. {@code existingSigs}
2837     * will be in the old format (since they were stored on disk from before the
2838     * system upgrade) and {@code scannedSigs} will be in the newer format.
2839     */
2840    private int compareSignaturesCompat(PackageSignatures existingSigs,
2841            PackageParser.Package scannedPkg) {
2842        if (!isCompatSignatureUpdateNeeded(scannedPkg)) {
2843            return PackageManager.SIGNATURE_NO_MATCH;
2844        }
2845
2846        HashSet<Signature> existingSet = new HashSet<Signature>();
2847        for (Signature sig : existingSigs.mSignatures) {
2848            existingSet.add(sig);
2849        }
2850        HashSet<Signature> scannedCompatSet = new HashSet<Signature>();
2851        for (Signature sig : scannedPkg.mSignatures) {
2852            try {
2853                Signature[] chainSignatures = sig.getChainSignatures();
2854                for (Signature chainSig : chainSignatures) {
2855                    scannedCompatSet.add(chainSig);
2856                }
2857            } catch (CertificateEncodingException e) {
2858                scannedCompatSet.add(sig);
2859            }
2860        }
2861        /*
2862         * Make sure the expanded scanned set contains all signatures in the
2863         * existing one.
2864         */
2865        if (scannedCompatSet.equals(existingSet)) {
2866            // Migrate the old signatures to the new scheme.
2867            existingSigs.assignSignatures(scannedPkg.mSignatures);
2868            // The new KeySets will be re-added later in the scanning process.
2869            synchronized (mPackages) {
2870                mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName);
2871            }
2872            return PackageManager.SIGNATURE_MATCH;
2873        }
2874        return PackageManager.SIGNATURE_NO_MATCH;
2875    }
2876
2877    private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) {
2878        if (isExternal(scannedPkg)) {
2879            return mSettings.isExternalDatabaseVersionOlderThan(
2880                    DatabaseVersion.SIGNATURE_MALFORMED_RECOVER);
2881        } else {
2882            return mSettings.isInternalDatabaseVersionOlderThan(
2883                    DatabaseVersion.SIGNATURE_MALFORMED_RECOVER);
2884        }
2885    }
2886
2887    private int compareSignaturesRecover(PackageSignatures existingSigs,
2888            PackageParser.Package scannedPkg) {
2889        if (!isRecoverSignatureUpdateNeeded(scannedPkg)) {
2890            return PackageManager.SIGNATURE_NO_MATCH;
2891        }
2892
2893        String msg = null;
2894        try {
2895            if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) {
2896                logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for "
2897                        + scannedPkg.packageName);
2898                return PackageManager.SIGNATURE_MATCH;
2899            }
2900        } catch (CertificateException e) {
2901            msg = e.getMessage();
2902        }
2903
2904        logCriticalInfo(Log.INFO,
2905                "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg);
2906        return PackageManager.SIGNATURE_NO_MATCH;
2907    }
2908
2909    @Override
2910    public String[] getPackagesForUid(int uid) {
2911        uid = UserHandle.getAppId(uid);
2912        // reader
2913        synchronized (mPackages) {
2914            Object obj = mSettings.getUserIdLPr(uid);
2915            if (obj instanceof SharedUserSetting) {
2916                final SharedUserSetting sus = (SharedUserSetting) obj;
2917                final int N = sus.packages.size();
2918                final String[] res = new String[N];
2919                final Iterator<PackageSetting> it = sus.packages.iterator();
2920                int i = 0;
2921                while (it.hasNext()) {
2922                    res[i++] = it.next().name;
2923                }
2924                return res;
2925            } else if (obj instanceof PackageSetting) {
2926                final PackageSetting ps = (PackageSetting) obj;
2927                return new String[] { ps.name };
2928            }
2929        }
2930        return null;
2931    }
2932
2933    @Override
2934    public String getNameForUid(int uid) {
2935        // reader
2936        synchronized (mPackages) {
2937            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
2938            if (obj instanceof SharedUserSetting) {
2939                final SharedUserSetting sus = (SharedUserSetting) obj;
2940                return sus.name + ":" + sus.userId;
2941            } else if (obj instanceof PackageSetting) {
2942                final PackageSetting ps = (PackageSetting) obj;
2943                return ps.name;
2944            }
2945        }
2946        return null;
2947    }
2948
2949    @Override
2950    public int getUidForSharedUser(String sharedUserName) {
2951        if(sharedUserName == null) {
2952            return -1;
2953        }
2954        // reader
2955        synchronized (mPackages) {
2956            final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false);
2957            if (suid == null) {
2958                return -1;
2959            }
2960            return suid.userId;
2961        }
2962    }
2963
2964    @Override
2965    public int getFlagsForUid(int uid) {
2966        synchronized (mPackages) {
2967            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
2968            if (obj instanceof SharedUserSetting) {
2969                final SharedUserSetting sus = (SharedUserSetting) obj;
2970                return sus.pkgFlags;
2971            } else if (obj instanceof PackageSetting) {
2972                final PackageSetting ps = (PackageSetting) obj;
2973                return ps.pkgFlags;
2974            }
2975        }
2976        return 0;
2977    }
2978
2979    @Override
2980    public boolean isUidPrivileged(int uid) {
2981        uid = UserHandle.getAppId(uid);
2982        // reader
2983        synchronized (mPackages) {
2984            Object obj = mSettings.getUserIdLPr(uid);
2985            if (obj instanceof SharedUserSetting) {
2986                final SharedUserSetting sus = (SharedUserSetting) obj;
2987                final Iterator<PackageSetting> it = sus.packages.iterator();
2988                while (it.hasNext()) {
2989                    if (it.next().isPrivileged()) {
2990                        return true;
2991                    }
2992                }
2993            } else if (obj instanceof PackageSetting) {
2994                final PackageSetting ps = (PackageSetting) obj;
2995                return ps.isPrivileged();
2996            }
2997        }
2998        return false;
2999    }
3000
3001    @Override
3002    public String[] getAppOpPermissionPackages(String permissionName) {
3003        synchronized (mPackages) {
3004            ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName);
3005            if (pkgs == null) {
3006                return null;
3007            }
3008            return pkgs.toArray(new String[pkgs.size()]);
3009        }
3010    }
3011
3012    @Override
3013    public ResolveInfo resolveIntent(Intent intent, String resolvedType,
3014            int flags, int userId) {
3015        if (!sUserManager.exists(userId)) return null;
3016        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent");
3017        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
3018        return chooseBestActivity(intent, resolvedType, flags, query, userId);
3019    }
3020
3021    @Override
3022    public void setLastChosenActivity(Intent intent, String resolvedType, int flags,
3023            IntentFilter filter, int match, ComponentName activity) {
3024        final int userId = UserHandle.getCallingUserId();
3025        if (DEBUG_PREFERRED) {
3026            Log.v(TAG, "setLastChosenActivity intent=" + intent
3027                + " resolvedType=" + resolvedType
3028                + " flags=" + flags
3029                + " filter=" + filter
3030                + " match=" + match
3031                + " activity=" + activity);
3032            filter.dump(new PrintStreamPrinter(System.out), "    ");
3033        }
3034        intent.setComponent(null);
3035        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
3036        // Find any earlier preferred or last chosen entries and nuke them
3037        findPreferredActivity(intent, resolvedType,
3038                flags, query, 0, false, true, false, userId);
3039        // Add the new activity as the last chosen for this filter
3040        addPreferredActivityInternal(filter, match, null, activity, false, userId,
3041                "Setting last chosen");
3042    }
3043
3044    @Override
3045    public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) {
3046        final int userId = UserHandle.getCallingUserId();
3047        if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent);
3048        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
3049        return findPreferredActivity(intent, resolvedType, flags, query, 0,
3050                false, false, false, userId);
3051    }
3052
3053    private ResolveInfo chooseBestActivity(Intent intent, String resolvedType,
3054            int flags, List<ResolveInfo> query, int userId) {
3055        if (query != null) {
3056            final int N = query.size();
3057            if (N == 1) {
3058                return query.get(0);
3059            } else if (N > 1) {
3060                final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0);
3061                // If there is more than one activity with the same priority,
3062                // then let the user decide between them.
3063                ResolveInfo r0 = query.get(0);
3064                ResolveInfo r1 = query.get(1);
3065                if (DEBUG_INTENT_MATCHING || debug) {
3066                    Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs "
3067                            + r1.activityInfo.name + "=" + r1.priority);
3068                }
3069                // If the first activity has a higher priority, or a different
3070                // default, then it is always desireable to pick it.
3071                if (r0.priority != r1.priority
3072                        || r0.preferredOrder != r1.preferredOrder
3073                        || r0.isDefault != r1.isDefault) {
3074                    return query.get(0);
3075                }
3076                // If we have saved a preference for a preferred activity for
3077                // this Intent, use that.
3078                ResolveInfo ri = findPreferredActivity(intent, resolvedType,
3079                        flags, query, r0.priority, true, false, debug, userId);
3080                if (ri != null) {
3081                    return ri;
3082                }
3083                if (userId != 0) {
3084                    ri = new ResolveInfo(mResolveInfo);
3085                    ri.activityInfo = new ActivityInfo(ri.activityInfo);
3086                    ri.activityInfo.applicationInfo = new ApplicationInfo(
3087                            ri.activityInfo.applicationInfo);
3088                    ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId,
3089                            UserHandle.getAppId(ri.activityInfo.applicationInfo.uid));
3090                    return ri;
3091                }
3092                return mResolveInfo;
3093            }
3094        }
3095        return null;
3096    }
3097
3098    private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType,
3099            int flags, List<ResolveInfo> query, boolean debug, int userId) {
3100        final int N = query.size();
3101        PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
3102                .get(userId);
3103        // Get the list of persistent preferred activities that handle the intent
3104        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities...");
3105        List<PersistentPreferredActivity> pprefs = ppir != null
3106                ? ppir.queryIntent(intent, resolvedType,
3107                        (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
3108                : null;
3109        if (pprefs != null && pprefs.size() > 0) {
3110            final int M = pprefs.size();
3111            for (int i=0; i<M; i++) {
3112                final PersistentPreferredActivity ppa = pprefs.get(i);
3113                if (DEBUG_PREFERRED || debug) {
3114                    Slog.v(TAG, "Checking PersistentPreferredActivity ds="
3115                            + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>")
3116                            + "\n  component=" + ppa.mComponent);
3117                    ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3118                }
3119                final ActivityInfo ai = getActivityInfo(ppa.mComponent,
3120                        flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
3121                if (DEBUG_PREFERRED || debug) {
3122                    Slog.v(TAG, "Found persistent preferred activity:");
3123                    if (ai != null) {
3124                        ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3125                    } else {
3126                        Slog.v(TAG, "  null");
3127                    }
3128                }
3129                if (ai == null) {
3130                    // This previously registered persistent preferred activity
3131                    // component is no longer known. Ignore it and do NOT remove it.
3132                    continue;
3133                }
3134                for (int j=0; j<N; j++) {
3135                    final ResolveInfo ri = query.get(j);
3136                    if (!ri.activityInfo.applicationInfo.packageName
3137                            .equals(ai.applicationInfo.packageName)) {
3138                        continue;
3139                    }
3140                    if (!ri.activityInfo.name.equals(ai.name)) {
3141                        continue;
3142                    }
3143                    //  Found a persistent preference that can handle the intent.
3144                    if (DEBUG_PREFERRED || debug) {
3145                        Slog.v(TAG, "Returning persistent preferred activity: " +
3146                                ri.activityInfo.packageName + "/" + ri.activityInfo.name);
3147                    }
3148                    return ri;
3149                }
3150            }
3151        }
3152        return null;
3153    }
3154
3155    ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags,
3156            List<ResolveInfo> query, int priority, boolean always,
3157            boolean removeMatches, boolean debug, int userId) {
3158        if (!sUserManager.exists(userId)) return null;
3159        // writer
3160        synchronized (mPackages) {
3161            if (intent.getSelector() != null) {
3162                intent = intent.getSelector();
3163            }
3164            if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION);
3165
3166            // Try to find a matching persistent preferred activity.
3167            ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query,
3168                    debug, userId);
3169
3170            // If a persistent preferred activity matched, use it.
3171            if (pri != null) {
3172                return pri;
3173            }
3174
3175            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
3176            // Get the list of preferred activities that handle the intent
3177            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities...");
3178            List<PreferredActivity> prefs = pir != null
3179                    ? pir.queryIntent(intent, resolvedType,
3180                            (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
3181                    : null;
3182            if (prefs != null && prefs.size() > 0) {
3183                boolean changed = false;
3184                try {
3185                    // First figure out how good the original match set is.
3186                    // We will only allow preferred activities that came
3187                    // from the same match quality.
3188                    int match = 0;
3189
3190                    if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match...");
3191
3192                    final int N = query.size();
3193                    for (int j=0; j<N; j++) {
3194                        final ResolveInfo ri = query.get(j);
3195                        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo
3196                                + ": 0x" + Integer.toHexString(match));
3197                        if (ri.match > match) {
3198                            match = ri.match;
3199                        }
3200                    }
3201
3202                    if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x"
3203                            + Integer.toHexString(match));
3204
3205                    match &= IntentFilter.MATCH_CATEGORY_MASK;
3206                    final int M = prefs.size();
3207                    for (int i=0; i<M; i++) {
3208                        final PreferredActivity pa = prefs.get(i);
3209                        if (DEBUG_PREFERRED || debug) {
3210                            Slog.v(TAG, "Checking PreferredActivity ds="
3211                                    + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>")
3212                                    + "\n  component=" + pa.mPref.mComponent);
3213                            pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3214                        }
3215                        if (pa.mPref.mMatch != match) {
3216                            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match "
3217                                    + Integer.toHexString(pa.mPref.mMatch));
3218                            continue;
3219                        }
3220                        // If it's not an "always" type preferred activity and that's what we're
3221                        // looking for, skip it.
3222                        if (always && !pa.mPref.mAlways) {
3223                            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry");
3224                            continue;
3225                        }
3226                        final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent,
3227                                flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
3228                        if (DEBUG_PREFERRED || debug) {
3229                            Slog.v(TAG, "Found preferred activity:");
3230                            if (ai != null) {
3231                                ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3232                            } else {
3233                                Slog.v(TAG, "  null");
3234                            }
3235                        }
3236                        if (ai == null) {
3237                            // This previously registered preferred activity
3238                            // component is no longer known.  Most likely an update
3239                            // to the app was installed and in the new version this
3240                            // component no longer exists.  Clean it up by removing
3241                            // it from the preferred activities list, and skip it.
3242                            Slog.w(TAG, "Removing dangling preferred activity: "
3243                                    + pa.mPref.mComponent);
3244                            pir.removeFilter(pa);
3245                            changed = true;
3246                            continue;
3247                        }
3248                        for (int j=0; j<N; j++) {
3249                            final ResolveInfo ri = query.get(j);
3250                            if (!ri.activityInfo.applicationInfo.packageName
3251                                    .equals(ai.applicationInfo.packageName)) {
3252                                continue;
3253                            }
3254                            if (!ri.activityInfo.name.equals(ai.name)) {
3255                                continue;
3256                            }
3257
3258                            if (removeMatches) {
3259                                pir.removeFilter(pa);
3260                                changed = true;
3261                                if (DEBUG_PREFERRED) {
3262                                    Slog.v(TAG, "Removing match " + pa.mPref.mComponent);
3263                                }
3264                                break;
3265                            }
3266
3267                            // Okay we found a previously set preferred or last chosen app.
3268                            // If the result set is different from when this
3269                            // was created, we need to clear it and re-ask the
3270                            // user their preference, if we're looking for an "always" type entry.
3271                            if (always && !pa.mPref.sameSet(query, priority)) {
3272                                Slog.i(TAG, "Result set changed, dropping preferred activity for "
3273                                        + intent + " type " + resolvedType);
3274                                if (DEBUG_PREFERRED) {
3275                                    Slog.v(TAG, "Removing preferred activity since set changed "
3276                                            + pa.mPref.mComponent);
3277                                }
3278                                pir.removeFilter(pa);
3279                                // Re-add the filter as a "last chosen" entry (!always)
3280                                PreferredActivity lastChosen = new PreferredActivity(
3281                                        pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false);
3282                                pir.addFilter(lastChosen);
3283                                changed = true;
3284                                return null;
3285                            }
3286
3287                            // Yay! Either the set matched or we're looking for the last chosen
3288                            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: "
3289                                    + ri.activityInfo.packageName + "/" + ri.activityInfo.name);
3290                            return ri;
3291                        }
3292                    }
3293                } finally {
3294                    if (changed) {
3295                        if (DEBUG_PREFERRED) {
3296                            Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions");
3297                        }
3298                        mSettings.writePackageRestrictionsLPr(userId);
3299                    }
3300                }
3301            }
3302        }
3303        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return");
3304        return null;
3305    }
3306
3307    /*
3308     * Returns if intent can be forwarded from the sourceUserId to the targetUserId
3309     */
3310    @Override
3311    public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId,
3312            int targetUserId) {
3313        mContext.enforceCallingOrSelfPermission(
3314                android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
3315        List<CrossProfileIntentFilter> matches =
3316                getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId);
3317        if (matches != null) {
3318            int size = matches.size();
3319            for (int i = 0; i < size; i++) {
3320                if (matches.get(i).getTargetUserId() == targetUserId) return true;
3321            }
3322        }
3323        return false;
3324    }
3325
3326    private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent,
3327            String resolvedType, int userId) {
3328        CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId);
3329        if (resolver != null) {
3330            return resolver.queryIntent(intent, resolvedType, false, userId);
3331        }
3332        return null;
3333    }
3334
3335    @Override
3336    public List<ResolveInfo> queryIntentActivities(Intent intent,
3337            String resolvedType, int flags, int userId) {
3338        if (!sUserManager.exists(userId)) return Collections.emptyList();
3339        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities");
3340        ComponentName comp = intent.getComponent();
3341        if (comp == null) {
3342            if (intent.getSelector() != null) {
3343                intent = intent.getSelector();
3344                comp = intent.getComponent();
3345            }
3346        }
3347
3348        if (comp != null) {
3349            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3350            final ActivityInfo ai = getActivityInfo(comp, flags, userId);
3351            if (ai != null) {
3352                final ResolveInfo ri = new ResolveInfo();
3353                ri.activityInfo = ai;
3354                list.add(ri);
3355            }
3356            return list;
3357        }
3358
3359        // reader
3360        synchronized (mPackages) {
3361            final String pkgName = intent.getPackage();
3362            if (pkgName == null) {
3363                List<CrossProfileIntentFilter> matchingFilters =
3364                        getMatchingCrossProfileIntentFilters(intent, resolvedType, userId);
3365                // Check for results that need to skip the current profile.
3366                ResolveInfo resolveInfo  = querySkipCurrentProfileIntents(matchingFilters, intent,
3367                        resolvedType, flags, userId);
3368                if (resolveInfo != null) {
3369                    List<ResolveInfo> result = new ArrayList<ResolveInfo>(1);
3370                    result.add(resolveInfo);
3371                    return result;
3372                }
3373                // Check for cross profile results.
3374                resolveInfo = queryCrossProfileIntents(
3375                        matchingFilters, intent, resolvedType, flags, userId);
3376
3377                // Check for results in the current profile.
3378                List<ResolveInfo> result = mActivities.queryIntent(
3379                        intent, resolvedType, flags, userId);
3380                if (resolveInfo != null) {
3381                    result.add(resolveInfo);
3382                    Collections.sort(result, mResolvePrioritySorter);
3383                }
3384                return result;
3385            }
3386            final PackageParser.Package pkg = mPackages.get(pkgName);
3387            if (pkg != null) {
3388                return mActivities.queryIntentForPackage(intent, resolvedType, flags,
3389                        pkg.activities, userId);
3390            }
3391            return new ArrayList<ResolveInfo>();
3392        }
3393    }
3394
3395    private ResolveInfo querySkipCurrentProfileIntents(
3396            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
3397            int flags, int sourceUserId) {
3398        if (matchingFilters != null) {
3399            int size = matchingFilters.size();
3400            for (int i = 0; i < size; i ++) {
3401                CrossProfileIntentFilter filter = matchingFilters.get(i);
3402                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) {
3403                    // Checking if there are activities in the target user that can handle the
3404                    // intent.
3405                    ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
3406                            flags, sourceUserId);
3407                    if (resolveInfo != null) {
3408                        return resolveInfo;
3409                    }
3410                }
3411            }
3412        }
3413        return null;
3414    }
3415
3416    // Return matching ResolveInfo if any for skip current profile intent filters.
3417    private ResolveInfo queryCrossProfileIntents(
3418            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
3419            int flags, int sourceUserId) {
3420        if (matchingFilters != null) {
3421            // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and
3422            // match the same intent. For performance reasons, it is better not to
3423            // run queryIntent twice for the same userId
3424            SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray();
3425            int size = matchingFilters.size();
3426            for (int i = 0; i < size; i++) {
3427                CrossProfileIntentFilter filter = matchingFilters.get(i);
3428                int targetUserId = filter.getTargetUserId();
3429                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0
3430                        && !alreadyTriedUserIds.get(targetUserId)) {
3431                    // Checking if there are activities in the target user that can handle the
3432                    // intent.
3433                    ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
3434                            flags, sourceUserId);
3435                    if (resolveInfo != null) return resolveInfo;
3436                    alreadyTriedUserIds.put(targetUserId, true);
3437                }
3438            }
3439        }
3440        return null;
3441    }
3442
3443    private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent,
3444            String resolvedType, int flags, int sourceUserId) {
3445        List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent,
3446                resolvedType, flags, filter.getTargetUserId());
3447        if (resultTargetUser != null && !resultTargetUser.isEmpty()) {
3448            return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId());
3449        }
3450        return null;
3451    }
3452
3453    private ResolveInfo createForwardingResolveInfo(IntentFilter filter,
3454            int sourceUserId, int targetUserId) {
3455        ResolveInfo forwardingResolveInfo = new ResolveInfo();
3456        String className;
3457        if (targetUserId == UserHandle.USER_OWNER) {
3458            className = FORWARD_INTENT_TO_USER_OWNER;
3459        } else {
3460            className = FORWARD_INTENT_TO_MANAGED_PROFILE;
3461        }
3462        ComponentName forwardingActivityComponentName = new ComponentName(
3463                mAndroidApplication.packageName, className);
3464        ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0,
3465                sourceUserId);
3466        if (targetUserId == UserHandle.USER_OWNER) {
3467            forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER;
3468            forwardingResolveInfo.noResourceId = true;
3469        }
3470        forwardingResolveInfo.activityInfo = forwardingActivityInfo;
3471        forwardingResolveInfo.priority = 0;
3472        forwardingResolveInfo.preferredOrder = 0;
3473        forwardingResolveInfo.match = 0;
3474        forwardingResolveInfo.isDefault = true;
3475        forwardingResolveInfo.filter = filter;
3476        forwardingResolveInfo.targetUserId = targetUserId;
3477        return forwardingResolveInfo;
3478    }
3479
3480    @Override
3481    public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller,
3482            Intent[] specifics, String[] specificTypes, Intent intent,
3483            String resolvedType, int flags, int userId) {
3484        if (!sUserManager.exists(userId)) return Collections.emptyList();
3485        enforceCrossUserPermission(Binder.getCallingUid(), userId, false,
3486                false, "query intent activity options");
3487        final String resultsAction = intent.getAction();
3488
3489        List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags
3490                | PackageManager.GET_RESOLVED_FILTER, userId);
3491
3492        if (DEBUG_INTENT_MATCHING) {
3493            Log.v(TAG, "Query " + intent + ": " + results);
3494        }
3495
3496        int specificsPos = 0;
3497        int N;
3498
3499        // todo: note that the algorithm used here is O(N^2).  This
3500        // isn't a problem in our current environment, but if we start running
3501        // into situations where we have more than 5 or 10 matches then this
3502        // should probably be changed to something smarter...
3503
3504        // First we go through and resolve each of the specific items
3505        // that were supplied, taking care of removing any corresponding
3506        // duplicate items in the generic resolve list.
3507        if (specifics != null) {
3508            for (int i=0; i<specifics.length; i++) {
3509                final Intent sintent = specifics[i];
3510                if (sintent == null) {
3511                    continue;
3512                }
3513
3514                if (DEBUG_INTENT_MATCHING) {
3515                    Log.v(TAG, "Specific #" + i + ": " + sintent);
3516                }
3517
3518                String action = sintent.getAction();
3519                if (resultsAction != null && resultsAction.equals(action)) {
3520                    // If this action was explicitly requested, then don't
3521                    // remove things that have it.
3522                    action = null;
3523                }
3524
3525                ResolveInfo ri = null;
3526                ActivityInfo ai = null;
3527
3528                ComponentName comp = sintent.getComponent();
3529                if (comp == null) {
3530                    ri = resolveIntent(
3531                        sintent,
3532                        specificTypes != null ? specificTypes[i] : null,
3533                            flags, userId);
3534                    if (ri == null) {
3535                        continue;
3536                    }
3537                    if (ri == mResolveInfo) {
3538                        // ACK!  Must do something better with this.
3539                    }
3540                    ai = ri.activityInfo;
3541                    comp = new ComponentName(ai.applicationInfo.packageName,
3542                            ai.name);
3543                } else {
3544                    ai = getActivityInfo(comp, flags, userId);
3545                    if (ai == null) {
3546                        continue;
3547                    }
3548                }
3549
3550                // Look for any generic query activities that are duplicates
3551                // of this specific one, and remove them from the results.
3552                if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai);
3553                N = results.size();
3554                int j;
3555                for (j=specificsPos; j<N; j++) {
3556                    ResolveInfo sri = results.get(j);
3557                    if ((sri.activityInfo.name.equals(comp.getClassName())
3558                            && sri.activityInfo.applicationInfo.packageName.equals(
3559                                    comp.getPackageName()))
3560                        || (action != null && sri.filter.matchAction(action))) {
3561                        results.remove(j);
3562                        if (DEBUG_INTENT_MATCHING) Log.v(
3563                            TAG, "Removing duplicate item from " + j
3564                            + " due to specific " + specificsPos);
3565                        if (ri == null) {
3566                            ri = sri;
3567                        }
3568                        j--;
3569                        N--;
3570                    }
3571                }
3572
3573                // Add this specific item to its proper place.
3574                if (ri == null) {
3575                    ri = new ResolveInfo();
3576                    ri.activityInfo = ai;
3577                }
3578                results.add(specificsPos, ri);
3579                ri.specificIndex = i;
3580                specificsPos++;
3581            }
3582        }
3583
3584        // Now we go through the remaining generic results and remove any
3585        // duplicate actions that are found here.
3586        N = results.size();
3587        for (int i=specificsPos; i<N-1; i++) {
3588            final ResolveInfo rii = results.get(i);
3589            if (rii.filter == null) {
3590                continue;
3591            }
3592
3593            // Iterate over all of the actions of this result's intent
3594            // filter...  typically this should be just one.
3595            final Iterator<String> it = rii.filter.actionsIterator();
3596            if (it == null) {
3597                continue;
3598            }
3599            while (it.hasNext()) {
3600                final String action = it.next();
3601                if (resultsAction != null && resultsAction.equals(action)) {
3602                    // If this action was explicitly requested, then don't
3603                    // remove things that have it.
3604                    continue;
3605                }
3606                for (int j=i+1; j<N; j++) {
3607                    final ResolveInfo rij = results.get(j);
3608                    if (rij.filter != null && rij.filter.hasAction(action)) {
3609                        results.remove(j);
3610                        if (DEBUG_INTENT_MATCHING) Log.v(
3611                            TAG, "Removing duplicate item from " + j
3612                            + " due to action " + action + " at " + i);
3613                        j--;
3614                        N--;
3615                    }
3616                }
3617            }
3618
3619            // If the caller didn't request filter information, drop it now
3620            // so we don't have to marshall/unmarshall it.
3621            if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
3622                rii.filter = null;
3623            }
3624        }
3625
3626        // Filter out the caller activity if so requested.
3627        if (caller != null) {
3628            N = results.size();
3629            for (int i=0; i<N; i++) {
3630                ActivityInfo ainfo = results.get(i).activityInfo;
3631                if (caller.getPackageName().equals(ainfo.applicationInfo.packageName)
3632                        && caller.getClassName().equals(ainfo.name)) {
3633                    results.remove(i);
3634                    break;
3635                }
3636            }
3637        }
3638
3639        // If the caller didn't request filter information,
3640        // drop them now so we don't have to
3641        // marshall/unmarshall it.
3642        if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
3643            N = results.size();
3644            for (int i=0; i<N; i++) {
3645                results.get(i).filter = null;
3646            }
3647        }
3648
3649        if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results);
3650        return results;
3651    }
3652
3653    @Override
3654    public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags,
3655            int userId) {
3656        if (!sUserManager.exists(userId)) return Collections.emptyList();
3657        ComponentName comp = intent.getComponent();
3658        if (comp == null) {
3659            if (intent.getSelector() != null) {
3660                intent = intent.getSelector();
3661                comp = intent.getComponent();
3662            }
3663        }
3664        if (comp != null) {
3665            List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3666            ActivityInfo ai = getReceiverInfo(comp, flags, userId);
3667            if (ai != null) {
3668                ResolveInfo ri = new ResolveInfo();
3669                ri.activityInfo = ai;
3670                list.add(ri);
3671            }
3672            return list;
3673        }
3674
3675        // reader
3676        synchronized (mPackages) {
3677            String pkgName = intent.getPackage();
3678            if (pkgName == null) {
3679                return mReceivers.queryIntent(intent, resolvedType, flags, userId);
3680            }
3681            final PackageParser.Package pkg = mPackages.get(pkgName);
3682            if (pkg != null) {
3683                return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers,
3684                        userId);
3685            }
3686            return null;
3687        }
3688    }
3689
3690    @Override
3691    public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) {
3692        List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId);
3693        if (!sUserManager.exists(userId)) return null;
3694        if (query != null) {
3695            if (query.size() >= 1) {
3696                // If there is more than one service with the same priority,
3697                // just arbitrarily pick the first one.
3698                return query.get(0);
3699            }
3700        }
3701        return null;
3702    }
3703
3704    @Override
3705    public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags,
3706            int userId) {
3707        if (!sUserManager.exists(userId)) return Collections.emptyList();
3708        ComponentName comp = intent.getComponent();
3709        if (comp == null) {
3710            if (intent.getSelector() != null) {
3711                intent = intent.getSelector();
3712                comp = intent.getComponent();
3713            }
3714        }
3715        if (comp != null) {
3716            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3717            final ServiceInfo si = getServiceInfo(comp, flags, userId);
3718            if (si != null) {
3719                final ResolveInfo ri = new ResolveInfo();
3720                ri.serviceInfo = si;
3721                list.add(ri);
3722            }
3723            return list;
3724        }
3725
3726        // reader
3727        synchronized (mPackages) {
3728            String pkgName = intent.getPackage();
3729            if (pkgName == null) {
3730                return mServices.queryIntent(intent, resolvedType, flags, userId);
3731            }
3732            final PackageParser.Package pkg = mPackages.get(pkgName);
3733            if (pkg != null) {
3734                return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services,
3735                        userId);
3736            }
3737            return null;
3738        }
3739    }
3740
3741    @Override
3742    public List<ResolveInfo> queryIntentContentProviders(
3743            Intent intent, String resolvedType, int flags, int userId) {
3744        if (!sUserManager.exists(userId)) return Collections.emptyList();
3745        ComponentName comp = intent.getComponent();
3746        if (comp == null) {
3747            if (intent.getSelector() != null) {
3748                intent = intent.getSelector();
3749                comp = intent.getComponent();
3750            }
3751        }
3752        if (comp != null) {
3753            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3754            final ProviderInfo pi = getProviderInfo(comp, flags, userId);
3755            if (pi != null) {
3756                final ResolveInfo ri = new ResolveInfo();
3757                ri.providerInfo = pi;
3758                list.add(ri);
3759            }
3760            return list;
3761        }
3762
3763        // reader
3764        synchronized (mPackages) {
3765            String pkgName = intent.getPackage();
3766            if (pkgName == null) {
3767                return mProviders.queryIntent(intent, resolvedType, flags, userId);
3768            }
3769            final PackageParser.Package pkg = mPackages.get(pkgName);
3770            if (pkg != null) {
3771                return mProviders.queryIntentForPackage(
3772                        intent, resolvedType, flags, pkg.providers, userId);
3773            }
3774            return null;
3775        }
3776    }
3777
3778    @Override
3779    public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) {
3780        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
3781
3782        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages");
3783
3784        // writer
3785        synchronized (mPackages) {
3786            ArrayList<PackageInfo> list;
3787            if (listUninstalled) {
3788                list = new ArrayList<PackageInfo>(mSettings.mPackages.size());
3789                for (PackageSetting ps : mSettings.mPackages.values()) {
3790                    PackageInfo pi;
3791                    if (ps.pkg != null) {
3792                        pi = generatePackageInfo(ps.pkg, flags, userId);
3793                    } else {
3794                        pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
3795                    }
3796                    if (pi != null) {
3797                        list.add(pi);
3798                    }
3799                }
3800            } else {
3801                list = new ArrayList<PackageInfo>(mPackages.size());
3802                for (PackageParser.Package p : mPackages.values()) {
3803                    PackageInfo pi = generatePackageInfo(p, flags, userId);
3804                    if (pi != null) {
3805                        list.add(pi);
3806                    }
3807                }
3808            }
3809
3810            return new ParceledListSlice<PackageInfo>(list);
3811        }
3812    }
3813
3814    private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps,
3815            String[] permissions, boolean[] tmp, int flags, int userId) {
3816        int numMatch = 0;
3817        final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
3818        for (int i=0; i<permissions.length; i++) {
3819            if (gp.grantedPermissions.contains(permissions[i])) {
3820                tmp[i] = true;
3821                numMatch++;
3822            } else {
3823                tmp[i] = false;
3824            }
3825        }
3826        if (numMatch == 0) {
3827            return;
3828        }
3829        PackageInfo pi;
3830        if (ps.pkg != null) {
3831            pi = generatePackageInfo(ps.pkg, flags, userId);
3832        } else {
3833            pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
3834        }
3835        // The above might return null in cases of uninstalled apps or install-state
3836        // skew across users/profiles.
3837        if (pi != null) {
3838            if ((flags&PackageManager.GET_PERMISSIONS) == 0) {
3839                if (numMatch == permissions.length) {
3840                    pi.requestedPermissions = permissions;
3841                } else {
3842                    pi.requestedPermissions = new String[numMatch];
3843                    numMatch = 0;
3844                    for (int i=0; i<permissions.length; i++) {
3845                        if (tmp[i]) {
3846                            pi.requestedPermissions[numMatch] = permissions[i];
3847                            numMatch++;
3848                        }
3849                    }
3850                }
3851            }
3852            list.add(pi);
3853        }
3854    }
3855
3856    @Override
3857    public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions(
3858            String[] permissions, int flags, int userId) {
3859        if (!sUserManager.exists(userId)) return null;
3860        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
3861
3862        // writer
3863        synchronized (mPackages) {
3864            ArrayList<PackageInfo> list = new ArrayList<PackageInfo>();
3865            boolean[] tmpBools = new boolean[permissions.length];
3866            if (listUninstalled) {
3867                for (PackageSetting ps : mSettings.mPackages.values()) {
3868                    addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId);
3869                }
3870            } else {
3871                for (PackageParser.Package pkg : mPackages.values()) {
3872                    PackageSetting ps = (PackageSetting)pkg.mExtras;
3873                    if (ps != null) {
3874                        addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags,
3875                                userId);
3876                    }
3877                }
3878            }
3879
3880            return new ParceledListSlice<PackageInfo>(list);
3881        }
3882    }
3883
3884    @Override
3885    public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) {
3886        if (!sUserManager.exists(userId)) return null;
3887        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
3888
3889        // writer
3890        synchronized (mPackages) {
3891            ArrayList<ApplicationInfo> list;
3892            if (listUninstalled) {
3893                list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size());
3894                for (PackageSetting ps : mSettings.mPackages.values()) {
3895                    ApplicationInfo ai;
3896                    if (ps.pkg != null) {
3897                        ai = PackageParser.generateApplicationInfo(ps.pkg, flags,
3898                                ps.readUserState(userId), userId);
3899                    } else {
3900                        ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId);
3901                    }
3902                    if (ai != null) {
3903                        list.add(ai);
3904                    }
3905                }
3906            } else {
3907                list = new ArrayList<ApplicationInfo>(mPackages.size());
3908                for (PackageParser.Package p : mPackages.values()) {
3909                    if (p.mExtras != null) {
3910                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
3911                                ((PackageSetting)p.mExtras).readUserState(userId), userId);
3912                        if (ai != null) {
3913                            list.add(ai);
3914                        }
3915                    }
3916                }
3917            }
3918
3919            return new ParceledListSlice<ApplicationInfo>(list);
3920        }
3921    }
3922
3923    public List<ApplicationInfo> getPersistentApplications(int flags) {
3924        final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>();
3925
3926        // reader
3927        synchronized (mPackages) {
3928            final Iterator<PackageParser.Package> i = mPackages.values().iterator();
3929            final int userId = UserHandle.getCallingUserId();
3930            while (i.hasNext()) {
3931                final PackageParser.Package p = i.next();
3932                if (p.applicationInfo != null
3933                        && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0
3934                        && (!mSafeMode || isSystemApp(p))) {
3935                    PackageSetting ps = mSettings.mPackages.get(p.packageName);
3936                    if (ps != null) {
3937                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
3938                                ps.readUserState(userId), userId);
3939                        if (ai != null) {
3940                            finalList.add(ai);
3941                        }
3942                    }
3943                }
3944            }
3945        }
3946
3947        return finalList;
3948    }
3949
3950    @Override
3951    public ProviderInfo resolveContentProvider(String name, int flags, int userId) {
3952        if (!sUserManager.exists(userId)) return null;
3953        // reader
3954        synchronized (mPackages) {
3955            final PackageParser.Provider provider = mProvidersByAuthority.get(name);
3956            PackageSetting ps = provider != null
3957                    ? mSettings.mPackages.get(provider.owner.packageName)
3958                    : null;
3959            return ps != null
3960                    && mSettings.isEnabledLPr(provider.info, flags, userId)
3961                    && (!mSafeMode || (provider.info.applicationInfo.flags
3962                            &ApplicationInfo.FLAG_SYSTEM) != 0)
3963                    ? PackageParser.generateProviderInfo(provider, flags,
3964                            ps.readUserState(userId), userId)
3965                    : null;
3966        }
3967    }
3968
3969    /**
3970     * @deprecated
3971     */
3972    @Deprecated
3973    public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) {
3974        // reader
3975        synchronized (mPackages) {
3976            final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority
3977                    .entrySet().iterator();
3978            final int userId = UserHandle.getCallingUserId();
3979            while (i.hasNext()) {
3980                Map.Entry<String, PackageParser.Provider> entry = i.next();
3981                PackageParser.Provider p = entry.getValue();
3982                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
3983
3984                if (ps != null && p.syncable
3985                        && (!mSafeMode || (p.info.applicationInfo.flags
3986                                &ApplicationInfo.FLAG_SYSTEM) != 0)) {
3987                    ProviderInfo info = PackageParser.generateProviderInfo(p, 0,
3988                            ps.readUserState(userId), userId);
3989                    if (info != null) {
3990                        outNames.add(entry.getKey());
3991                        outInfo.add(info);
3992                    }
3993                }
3994            }
3995        }
3996    }
3997
3998    @Override
3999    public List<ProviderInfo> queryContentProviders(String processName,
4000            int uid, int flags) {
4001        ArrayList<ProviderInfo> finalList = null;
4002        // reader
4003        synchronized (mPackages) {
4004            final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator();
4005            final int userId = processName != null ?
4006                    UserHandle.getUserId(uid) : UserHandle.getCallingUserId();
4007            while (i.hasNext()) {
4008                final PackageParser.Provider p = i.next();
4009                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
4010                if (ps != null && p.info.authority != null
4011                        && (processName == null
4012                                || (p.info.processName.equals(processName)
4013                                        && UserHandle.isSameApp(p.info.applicationInfo.uid, uid)))
4014                        && mSettings.isEnabledLPr(p.info, flags, userId)
4015                        && (!mSafeMode
4016                                || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) {
4017                    if (finalList == null) {
4018                        finalList = new ArrayList<ProviderInfo>(3);
4019                    }
4020                    ProviderInfo info = PackageParser.generateProviderInfo(p, flags,
4021                            ps.readUserState(userId), userId);
4022                    if (info != null) {
4023                        finalList.add(info);
4024                    }
4025                }
4026            }
4027        }
4028
4029        if (finalList != null) {
4030            Collections.sort(finalList, mProviderInitOrderSorter);
4031        }
4032
4033        return finalList;
4034    }
4035
4036    @Override
4037    public InstrumentationInfo getInstrumentationInfo(ComponentName name,
4038            int flags) {
4039        // reader
4040        synchronized (mPackages) {
4041            final PackageParser.Instrumentation i = mInstrumentation.get(name);
4042            return PackageParser.generateInstrumentationInfo(i, flags);
4043        }
4044    }
4045
4046    @Override
4047    public List<InstrumentationInfo> queryInstrumentation(String targetPackage,
4048            int flags) {
4049        ArrayList<InstrumentationInfo> finalList =
4050            new ArrayList<InstrumentationInfo>();
4051
4052        // reader
4053        synchronized (mPackages) {
4054            final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator();
4055            while (i.hasNext()) {
4056                final PackageParser.Instrumentation p = i.next();
4057                if (targetPackage == null
4058                        || targetPackage.equals(p.info.targetPackage)) {
4059                    InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p,
4060                            flags);
4061                    if (ii != null) {
4062                        finalList.add(ii);
4063                    }
4064                }
4065            }
4066        }
4067
4068        return finalList;
4069    }
4070
4071    private void createIdmapsForPackageLI(PackageParser.Package pkg) {
4072        HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName);
4073        if (overlays == null) {
4074            Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages");
4075            return;
4076        }
4077        for (PackageParser.Package opkg : overlays.values()) {
4078            // Not much to do if idmap fails: we already logged the error
4079            // and we certainly don't want to abort installation of pkg simply
4080            // because an overlay didn't fit properly. For these reasons,
4081            // ignore the return value of createIdmapForPackagePairLI.
4082            createIdmapForPackagePairLI(pkg, opkg);
4083        }
4084    }
4085
4086    private boolean createIdmapForPackagePairLI(PackageParser.Package pkg,
4087            PackageParser.Package opkg) {
4088        if (!opkg.mTrustedOverlay) {
4089            Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " +
4090                    opkg.baseCodePath + ": overlay not trusted");
4091            return false;
4092        }
4093        HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName);
4094        if (overlaySet == null) {
4095            Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " +
4096                    opkg.baseCodePath + " but target package has no known overlays");
4097            return false;
4098        }
4099        final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
4100        // TODO: generate idmap for split APKs
4101        if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) {
4102            Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and "
4103                    + opkg.baseCodePath);
4104            return false;
4105        }
4106        PackageParser.Package[] overlayArray =
4107            overlaySet.values().toArray(new PackageParser.Package[0]);
4108        Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() {
4109            public int compare(PackageParser.Package p1, PackageParser.Package p2) {
4110                return p1.mOverlayPriority - p2.mOverlayPriority;
4111            }
4112        };
4113        Arrays.sort(overlayArray, cmp);
4114
4115        pkg.applicationInfo.resourceDirs = new String[overlayArray.length];
4116        int i = 0;
4117        for (PackageParser.Package p : overlayArray) {
4118            pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath;
4119        }
4120        return true;
4121    }
4122
4123    private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) {
4124        final File[] files = dir.listFiles();
4125        if (ArrayUtils.isEmpty(files)) {
4126            Log.d(TAG, "No files in app dir " + dir);
4127            return;
4128        }
4129
4130        if (DEBUG_PACKAGE_SCANNING) {
4131            Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags
4132                    + " flags=0x" + Integer.toHexString(parseFlags));
4133        }
4134
4135        for (File file : files) {
4136            final boolean isPackage = (isApkFile(file) || file.isDirectory())
4137                    && !PackageInstallerService.isStageName(file.getName());
4138            if (!isPackage) {
4139                // Ignore entries which are not packages
4140                continue;
4141            }
4142            try {
4143                scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK,
4144                        scanFlags, currentTime, null);
4145            } catch (PackageManagerException e) {
4146                Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage());
4147
4148                // Delete invalid userdata apps
4149                if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 &&
4150                        e.error == PackageManager.INSTALL_FAILED_INVALID_APK) {
4151                    logCriticalInfo(Log.WARN, "Deleting invalid package at " + file);
4152                    if (file.isDirectory()) {
4153                        FileUtils.deleteContents(file);
4154                    }
4155                    file.delete();
4156                }
4157            }
4158        }
4159    }
4160
4161    private static File getSettingsProblemFile() {
4162        File dataDir = Environment.getDataDirectory();
4163        File systemDir = new File(dataDir, "system");
4164        File fname = new File(systemDir, "uiderrors.txt");
4165        return fname;
4166    }
4167
4168    static void reportSettingsProblem(int priority, String msg) {
4169        logCriticalInfo(priority, msg);
4170    }
4171
4172    static void logCriticalInfo(int priority, String msg) {
4173        Slog.println(priority, TAG, msg);
4174        EventLogTags.writePmCriticalInfo(msg);
4175        try {
4176            File fname = getSettingsProblemFile();
4177            FileOutputStream out = new FileOutputStream(fname, true);
4178            PrintWriter pw = new FastPrintWriter(out);
4179            SimpleDateFormat formatter = new SimpleDateFormat();
4180            String dateString = formatter.format(new Date(System.currentTimeMillis()));
4181            pw.println(dateString + ": " + msg);
4182            pw.close();
4183            FileUtils.setPermissions(
4184                    fname.toString(),
4185                    FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH,
4186                    -1, -1);
4187        } catch (java.io.IOException e) {
4188        }
4189    }
4190
4191    private void collectCertificatesLI(PackageParser pp, PackageSetting ps,
4192            PackageParser.Package pkg, File srcFile, int parseFlags)
4193            throws PackageManagerException {
4194        if (ps != null
4195                && ps.codePath.equals(srcFile)
4196                && ps.timeStamp == srcFile.lastModified()
4197                && !isCompatSignatureUpdateNeeded(pkg)
4198                && !isRecoverSignatureUpdateNeeded(pkg)) {
4199            long mSigningKeySetId = ps.keySetData.getProperSigningKeySet();
4200            if (ps.signatures.mSignatures != null
4201                    && ps.signatures.mSignatures.length != 0
4202                    && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) {
4203                // Optimization: reuse the existing cached certificates
4204                // if the package appears to be unchanged.
4205                pkg.mSignatures = ps.signatures.mSignatures;
4206                KeySetManagerService ksms = mSettings.mKeySetManagerService;
4207                synchronized (mPackages) {
4208                    pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId);
4209                }
4210                return;
4211            }
4212
4213            Slog.w(TAG, "PackageSetting for " + ps.name
4214                    + " is missing signatures.  Collecting certs again to recover them.");
4215        } else {
4216            Log.i(TAG, srcFile.toString() + " changed; collecting certs");
4217        }
4218
4219        try {
4220            pp.collectCertificates(pkg, parseFlags);
4221            pp.collectManifestDigest(pkg);
4222        } catch (PackageParserException e) {
4223            throw PackageManagerException.from(e);
4224        }
4225    }
4226
4227    /*
4228     *  Scan a package and return the newly parsed package.
4229     *  Returns null in case of errors and the error code is stored in mLastScanError
4230     */
4231    private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags,
4232            long currentTime, UserHandle user) throws PackageManagerException {
4233        if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile);
4234        parseFlags |= mDefParseFlags;
4235        PackageParser pp = new PackageParser();
4236        pp.setSeparateProcesses(mSeparateProcesses);
4237        pp.setOnlyCoreApps(mOnlyCore);
4238        pp.setDisplayMetrics(mMetrics);
4239
4240        if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) {
4241            parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY;
4242        }
4243
4244        final PackageParser.Package pkg;
4245        try {
4246            pkg = pp.parsePackage(scanFile, parseFlags);
4247        } catch (PackageParserException e) {
4248            throw PackageManagerException.from(e);
4249        }
4250
4251        PackageSetting ps = null;
4252        PackageSetting updatedPkg;
4253        // reader
4254        synchronized (mPackages) {
4255            // Look to see if we already know about this package.
4256            String oldName = mSettings.mRenamedPackages.get(pkg.packageName);
4257            if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) {
4258                // This package has been renamed to its original name.  Let's
4259                // use that.
4260                ps = mSettings.peekPackageLPr(oldName);
4261            }
4262            // If there was no original package, see one for the real package name.
4263            if (ps == null) {
4264                ps = mSettings.peekPackageLPr(pkg.packageName);
4265            }
4266            // Check to see if this package could be hiding/updating a system
4267            // package.  Must look for it either under the original or real
4268            // package name depending on our state.
4269            updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName);
4270            if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg);
4271        }
4272        boolean updatedPkgBetter = false;
4273        // First check if this is a system package that may involve an update
4274        if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
4275            if (ps != null && !ps.codePath.equals(scanFile)) {
4276                // The path has changed from what was last scanned...  check the
4277                // version of the new path against what we have stored to determine
4278                // what to do.
4279                if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath);
4280                if (pkg.mVersionCode < ps.versionCode) {
4281                    // The system package has been updated and the code path does not match
4282                    // Ignore entry. Skip it.
4283                    logCriticalInfo(Log.INFO, "Package " + ps.name + " at " + scanFile
4284                            + " ignored: updated version " + ps.versionCode
4285                            + " better than this " + pkg.mVersionCode);
4286                    if (!updatedPkg.codePath.equals(scanFile)) {
4287                        Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : "
4288                                + ps.name + " changing from " + updatedPkg.codePathString
4289                                + " to " + scanFile);
4290                        updatedPkg.codePath = scanFile;
4291                        updatedPkg.codePathString = scanFile.toString();
4292                        // This is the point at which we know that the system-disk APK
4293                        // for this package has moved during a reboot (e.g. due to an OTA),
4294                        // so we need to reevaluate it for privilege policy.
4295                        if (locationIsPrivileged(scanFile)) {
4296                            updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED;
4297                        }
4298                    }
4299                    updatedPkg.pkg = pkg;
4300                    throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null);
4301                } else {
4302                    // The current app on the system partition is better than
4303                    // what we have updated to on the data partition; switch
4304                    // back to the system partition version.
4305                    // At this point, its safely assumed that package installation for
4306                    // apps in system partition will go through. If not there won't be a working
4307                    // version of the app
4308                    // writer
4309                    synchronized (mPackages) {
4310                        // Just remove the loaded entries from package lists.
4311                        mPackages.remove(ps.name);
4312                    }
4313
4314                    logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile
4315                            + " reverting from " + ps.codePathString
4316                            + ": new version " + pkg.mVersionCode
4317                            + " better than installed " + ps.versionCode);
4318
4319                    InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
4320                            ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString,
4321                            getAppDexInstructionSets(ps));
4322                    synchronized (mInstallLock) {
4323                        args.cleanUpResourcesLI();
4324                    }
4325                    synchronized (mPackages) {
4326                        mSettings.enableSystemPackageLPw(ps.name);
4327                    }
4328                    updatedPkgBetter = true;
4329                }
4330            }
4331        }
4332
4333        if (updatedPkg != null) {
4334            // An updated system app will not have the PARSE_IS_SYSTEM flag set
4335            // initially
4336            parseFlags |= PackageParser.PARSE_IS_SYSTEM;
4337
4338            // An updated privileged app will not have the PARSE_IS_PRIVILEGED
4339            // flag set initially
4340            if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) {
4341                parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
4342            }
4343        }
4344
4345        // Verify certificates against what was last scanned
4346        collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags);
4347
4348        /*
4349         * A new system app appeared, but we already had a non-system one of the
4350         * same name installed earlier.
4351         */
4352        boolean shouldHideSystemApp = false;
4353        if (updatedPkg == null && ps != null
4354                && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) {
4355            /*
4356             * Check to make sure the signatures match first. If they don't,
4357             * wipe the installed application and its data.
4358             */
4359            if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures)
4360                    != PackageManager.SIGNATURE_MATCH) {
4361                logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but"
4362                        + " signatures don't match existing userdata copy; removing");
4363                deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false);
4364                ps = null;
4365            } else {
4366                /*
4367                 * If the newly-added system app is an older version than the
4368                 * already installed version, hide it. It will be scanned later
4369                 * and re-added like an update.
4370                 */
4371                if (pkg.mVersionCode < ps.versionCode) {
4372                    shouldHideSystemApp = true;
4373                    logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile
4374                            + " but new version " + pkg.mVersionCode + " better than installed "
4375                            + ps.versionCode + "; hiding system");
4376                } else {
4377                    /*
4378                     * The newly found system app is a newer version that the
4379                     * one previously installed. Simply remove the
4380                     * already-installed application and replace it with our own
4381                     * while keeping the application data.
4382                     */
4383                    logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile
4384                            + " reverting from " + ps.codePathString + ": new version "
4385                            + pkg.mVersionCode + " better than installed " + ps.versionCode);
4386                    InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
4387                            ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString,
4388                            getAppDexInstructionSets(ps));
4389                    synchronized (mInstallLock) {
4390                        args.cleanUpResourcesLI();
4391                    }
4392                }
4393            }
4394        }
4395
4396        // The apk is forward locked (not public) if its code and resources
4397        // are kept in different files. (except for app in either system or
4398        // vendor path).
4399        // TODO grab this value from PackageSettings
4400        if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
4401            if (ps != null && !ps.codePath.equals(ps.resourcePath)) {
4402                parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
4403            }
4404        }
4405
4406        // TODO: extend to support forward-locked splits
4407        String resourcePath = null;
4408        String baseResourcePath = null;
4409        if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) {
4410            if (ps != null && ps.resourcePathString != null) {
4411                resourcePath = ps.resourcePathString;
4412                baseResourcePath = ps.resourcePathString;
4413            } else {
4414                // Should not happen at all. Just log an error.
4415                Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName);
4416            }
4417        } else {
4418            resourcePath = pkg.codePath;
4419            baseResourcePath = pkg.baseCodePath;
4420        }
4421
4422        // Set application objects path explicitly.
4423        pkg.applicationInfo.setCodePath(pkg.codePath);
4424        pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
4425        pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
4426        pkg.applicationInfo.setResourcePath(resourcePath);
4427        pkg.applicationInfo.setBaseResourcePath(baseResourcePath);
4428        pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
4429
4430        // Note that we invoke the following method only if we are about to unpack an application
4431        PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags
4432                | SCAN_UPDATE_SIGNATURE, currentTime, user);
4433
4434        /*
4435         * If the system app should be overridden by a previously installed
4436         * data, hide the system app now and let the /data/app scan pick it up
4437         * again.
4438         */
4439        if (shouldHideSystemApp) {
4440            synchronized (mPackages) {
4441                /*
4442                 * We have to grant systems permissions before we hide, because
4443                 * grantPermissions will assume the package update is trying to
4444                 * expand its permissions.
4445                 */
4446                grantPermissionsLPw(pkg, true, pkg.packageName);
4447                mSettings.disableSystemPackageLPw(pkg.packageName);
4448            }
4449        }
4450
4451        return scannedPkg;
4452    }
4453
4454    private static String fixProcessName(String defProcessName,
4455            String processName, int uid) {
4456        if (processName == null) {
4457            return defProcessName;
4458        }
4459        return processName;
4460    }
4461
4462    private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg)
4463            throws PackageManagerException {
4464        if (pkgSetting.signatures.mSignatures != null) {
4465            // Already existing package. Make sure signatures match
4466            boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures)
4467                    == PackageManager.SIGNATURE_MATCH;
4468            if (!match) {
4469                match = compareSignaturesCompat(pkgSetting.signatures, pkg)
4470                        == PackageManager.SIGNATURE_MATCH;
4471            }
4472            if (!match) {
4473                match = compareSignaturesRecover(pkgSetting.signatures, pkg)
4474                        == PackageManager.SIGNATURE_MATCH;
4475            }
4476            if (!match) {
4477                throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
4478                        + pkg.packageName + " signatures do not match the "
4479                        + "previously installed version; ignoring!");
4480            }
4481        }
4482
4483        // Check for shared user signatures
4484        if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) {
4485            // Already existing package. Make sure signatures match
4486            boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
4487                    pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
4488            if (!match) {
4489                match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg)
4490                        == PackageManager.SIGNATURE_MATCH;
4491            }
4492            if (!match) {
4493                match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg)
4494                        == PackageManager.SIGNATURE_MATCH;
4495            }
4496            if (!match) {
4497                throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
4498                        "Package " + pkg.packageName
4499                        + " has no signatures that match those in shared user "
4500                        + pkgSetting.sharedUser.name + "; ignoring!");
4501            }
4502        }
4503    }
4504
4505    /**
4506     * Enforces that only the system UID or root's UID can call a method exposed
4507     * via Binder.
4508     *
4509     * @param message used as message if SecurityException is thrown
4510     * @throws SecurityException if the caller is not system or root
4511     */
4512    private static final void enforceSystemOrRoot(String message) {
4513        final int uid = Binder.getCallingUid();
4514        if (uid != Process.SYSTEM_UID && uid != 0) {
4515            throw new SecurityException(message);
4516        }
4517    }
4518
4519    @Override
4520    public void performBootDexOpt() {
4521        enforceSystemOrRoot("Only the system can request dexopt be performed");
4522
4523        // Before everything else, see whether we need to fstrim.
4524        try {
4525            IMountService ms = PackageHelper.getMountService();
4526            if (ms != null) {
4527                final long interval = android.provider.Settings.Global.getLong(
4528                        mContext.getContentResolver(),
4529                        android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL,
4530                        DEFAULT_MANDATORY_FSTRIM_INTERVAL);
4531                if (interval > 0) {
4532                    final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance();
4533                    if (timeSinceLast > interval) {
4534                        Slog.w(TAG, "No disk maintenance in " + timeSinceLast
4535                                + "; running immediately");
4536                        if (!isFirstBoot()) {
4537                            try {
4538                                ActivityManagerNative.getDefault().showBootMessage(
4539                                        mContext.getResources().getString(
4540                                                R.string.android_upgrading_fstrim), true);
4541                            } catch (RemoteException e) {
4542                            }
4543                        }
4544                        ms.runMaintenance();
4545                    }
4546                }
4547            } else {
4548                Slog.e(TAG, "Mount service unavailable!");
4549            }
4550        } catch (RemoteException e) {
4551            // Can't happen; MountService is local
4552        }
4553
4554        final HashSet<PackageParser.Package> pkgs;
4555        synchronized (mPackages) {
4556            pkgs = mDeferredDexOpt;
4557            mDeferredDexOpt = null;
4558        }
4559
4560        if (pkgs != null) {
4561            // Sort apps by importance for dexopt ordering. Important apps are given more priority
4562            // in case the device runs out of space.
4563            ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>();
4564            // Give priority to core apps.
4565            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
4566                PackageParser.Package pkg = it.next();
4567                if (pkg.coreApp) {
4568                    if (DEBUG_DEXOPT) {
4569                        Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName);
4570                    }
4571                    sortedPkgs.add(pkg);
4572                    it.remove();
4573                }
4574            }
4575            // Give priority to system apps that listen for pre boot complete.
4576            Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED);
4577            HashSet<String> pkgNames = getPackageNamesForIntent(intent);
4578            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
4579                PackageParser.Package pkg = it.next();
4580                if (pkgNames.contains(pkg.packageName)) {
4581                    if (DEBUG_DEXOPT) {
4582                        Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName);
4583                    }
4584                    sortedPkgs.add(pkg);
4585                    it.remove();
4586                }
4587            }
4588            // Give priority to system apps.
4589            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
4590                PackageParser.Package pkg = it.next();
4591                if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) {
4592                    if (DEBUG_DEXOPT) {
4593                        Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName);
4594                    }
4595                    sortedPkgs.add(pkg);
4596                    it.remove();
4597                }
4598            }
4599            // Give priority to updated system apps.
4600            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
4601                PackageParser.Package pkg = it.next();
4602                if (isUpdatedSystemApp(pkg)) {
4603                    if (DEBUG_DEXOPT) {
4604                        Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName);
4605                    }
4606                    sortedPkgs.add(pkg);
4607                    it.remove();
4608                }
4609            }
4610            // Give priority to apps that listen for boot complete.
4611            intent = new Intent(Intent.ACTION_BOOT_COMPLETED);
4612            pkgNames = getPackageNamesForIntent(intent);
4613            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
4614                PackageParser.Package pkg = it.next();
4615                if (pkgNames.contains(pkg.packageName)) {
4616                    if (DEBUG_DEXOPT) {
4617                        Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName);
4618                    }
4619                    sortedPkgs.add(pkg);
4620                    it.remove();
4621                }
4622            }
4623            // Filter out packages that aren't recently used.
4624            filterRecentlyUsedApps(pkgs);
4625            // Add all remaining apps.
4626            for (PackageParser.Package pkg : pkgs) {
4627                if (DEBUG_DEXOPT) {
4628                    Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName);
4629                }
4630                sortedPkgs.add(pkg);
4631            }
4632
4633            int i = 0;
4634            int total = sortedPkgs.size();
4635            File dataDir = Environment.getDataDirectory();
4636            long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir);
4637            if (lowThreshold == 0) {
4638                throw new IllegalStateException("Invalid low memory threshold");
4639            }
4640            for (PackageParser.Package pkg : sortedPkgs) {
4641                long usableSpace = dataDir.getUsableSpace();
4642                if (usableSpace < lowThreshold) {
4643                    Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace);
4644                    break;
4645                }
4646                performBootDexOpt(pkg, ++i, total);
4647            }
4648        }
4649    }
4650
4651    private void filterRecentlyUsedApps(HashSet<PackageParser.Package> pkgs) {
4652        // Filter out packages that aren't recently used.
4653        //
4654        // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which
4655        // should do a full dexopt.
4656        if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) {
4657            // TODO: add a property to control this?
4658            long dexOptLRUThresholdInMinutes;
4659            if (mLazyDexOpt) {
4660                dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds.
4661            } else {
4662                dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users.
4663            }
4664            long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000;
4665
4666            int total = pkgs.size();
4667            int skipped = 0;
4668            long now = System.currentTimeMillis();
4669            for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) {
4670                PackageParser.Package pkg = i.next();
4671                long then = pkg.mLastPackageUsageTimeInMills;
4672                if (then + dexOptLRUThresholdInMills < now) {
4673                    if (DEBUG_DEXOPT) {
4674                        Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " +
4675                              ((then == 0) ? "never" : new Date(then)));
4676                    }
4677                    i.remove();
4678                    skipped++;
4679                }
4680            }
4681            if (DEBUG_DEXOPT) {
4682                Log.i(TAG, "Skipped optimizing " + skipped + " of " + total);
4683            }
4684        }
4685    }
4686
4687    private HashSet<String> getPackageNamesForIntent(Intent intent) {
4688        List<ResolveInfo> ris = null;
4689        try {
4690            ris = AppGlobals.getPackageManager().queryIntentReceivers(
4691                    intent, null, 0, UserHandle.USER_OWNER);
4692        } catch (RemoteException e) {
4693        }
4694        HashSet<String> pkgNames = new HashSet<String>();
4695        if (ris != null) {
4696            for (ResolveInfo ri : ris) {
4697                pkgNames.add(ri.activityInfo.packageName);
4698            }
4699        }
4700        return pkgNames;
4701    }
4702
4703    private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) {
4704        if (DEBUG_DEXOPT) {
4705            Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName);
4706        }
4707        if (!isFirstBoot()) {
4708            try {
4709                ActivityManagerNative.getDefault().showBootMessage(
4710                        mContext.getResources().getString(R.string.android_upgrading_apk,
4711                                curr, total), true);
4712            } catch (RemoteException e) {
4713            }
4714        }
4715        PackageParser.Package p = pkg;
4716        synchronized (mInstallLock) {
4717            performDexOptLI(p, null /* instruction sets */, false /* force dex */,
4718                            false /* defer */, true /* include dependencies */);
4719        }
4720    }
4721
4722    @Override
4723    public boolean performDexOptIfNeeded(String packageName, String instructionSet) {
4724        return performDexOpt(packageName, instructionSet, false);
4725    }
4726
4727    private static String getPrimaryInstructionSet(ApplicationInfo info) {
4728        if (info.primaryCpuAbi == null) {
4729            return getPreferredInstructionSet();
4730        }
4731
4732        return VMRuntime.getInstructionSet(info.primaryCpuAbi);
4733    }
4734
4735    public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) {
4736        boolean dexopt = mLazyDexOpt || backgroundDexopt;
4737        boolean updateUsage = !backgroundDexopt;  // Don't update usage if this is just a backgroundDexopt
4738        if (!dexopt && !updateUsage) {
4739            // We aren't going to dexopt or update usage, so bail early.
4740            return false;
4741        }
4742        PackageParser.Package p;
4743        final String targetInstructionSet;
4744        synchronized (mPackages) {
4745            p = mPackages.get(packageName);
4746            if (p == null) {
4747                return false;
4748            }
4749            if (updateUsage) {
4750                p.mLastPackageUsageTimeInMills = System.currentTimeMillis();
4751            }
4752            mPackageUsage.write(false);
4753            if (!dexopt) {
4754                // We aren't going to dexopt, so bail early.
4755                return false;
4756            }
4757
4758            targetInstructionSet = instructionSet != null ? instructionSet :
4759                    getPrimaryInstructionSet(p.applicationInfo);
4760            if (p.mDexOptPerformed.contains(targetInstructionSet)) {
4761                return false;
4762            }
4763        }
4764
4765        synchronized (mInstallLock) {
4766            final String[] instructionSets = new String[] { targetInstructionSet };
4767            return performDexOptLI(p, instructionSets, false /* force dex */, false /* defer */,
4768                    true /* include dependencies */) == DEX_OPT_PERFORMED;
4769        }
4770    }
4771
4772    public HashSet<String> getPackagesThatNeedDexOpt() {
4773        HashSet<String> pkgs = null;
4774        synchronized (mPackages) {
4775            for (PackageParser.Package p : mPackages.values()) {
4776                if (DEBUG_DEXOPT) {
4777                    Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray());
4778                }
4779                if (!p.mDexOptPerformed.isEmpty()) {
4780                    continue;
4781                }
4782                if (pkgs == null) {
4783                    pkgs = new HashSet<String>();
4784                }
4785                pkgs.add(p.packageName);
4786            }
4787        }
4788        return pkgs;
4789    }
4790
4791    public void shutdown() {
4792        mPackageUsage.write(true);
4793    }
4794
4795    private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets,
4796             boolean forceDex, boolean defer, HashSet<String> done) {
4797        for (int i=0; i<libs.size(); i++) {
4798            PackageParser.Package libPkg;
4799            String libName;
4800            synchronized (mPackages) {
4801                libName = libs.get(i);
4802                SharedLibraryEntry lib = mSharedLibraries.get(libName);
4803                if (lib != null && lib.apk != null) {
4804                    libPkg = mPackages.get(lib.apk);
4805                } else {
4806                    libPkg = null;
4807                }
4808            }
4809            if (libPkg != null && !done.contains(libName)) {
4810                performDexOptLI(libPkg, instructionSets, forceDex, defer, done);
4811            }
4812        }
4813    }
4814
4815    static final int DEX_OPT_SKIPPED = 0;
4816    static final int DEX_OPT_PERFORMED = 1;
4817    static final int DEX_OPT_DEFERRED = 2;
4818    static final int DEX_OPT_FAILED = -1;
4819
4820    private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets,
4821            boolean forceDex, boolean defer, HashSet<String> done) {
4822        final String[] instructionSets = targetInstructionSets != null ?
4823                targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo);
4824
4825        if (done != null) {
4826            done.add(pkg.packageName);
4827            if (pkg.usesLibraries != null) {
4828                performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done);
4829            }
4830            if (pkg.usesOptionalLibraries != null) {
4831                performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done);
4832            }
4833        }
4834
4835        if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) {
4836            return DEX_OPT_SKIPPED;
4837        }
4838
4839        final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0;
4840
4841        final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly();
4842        boolean performedDexOpt = false;
4843        // There are three basic cases here:
4844        // 1.) we need to dexopt, either because we are forced or it is needed
4845        // 2.) we are defering a needed dexopt
4846        // 3.) we are skipping an unneeded dexopt
4847        final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets);
4848        for (String dexCodeInstructionSet : dexCodeInstructionSets) {
4849            if (!forceDex && pkg.mDexOptPerformed.contains(dexCodeInstructionSet)) {
4850                continue;
4851            }
4852
4853            for (String path : paths) {
4854                try {
4855                    // This will return DEXOPT_NEEDED if we either cannot find any odex file for this
4856                    // patckage or the one we find does not match the image checksum (i.e. it was
4857                    // compiled against an old image). It will return PATCHOAT_NEEDED if we can find a
4858                    // odex file and it matches the checksum of the image but not its base address,
4859                    // meaning we need to move it.
4860                    final byte isDexOptNeeded = DexFile.isDexOptNeededInternal(path,
4861                            pkg.packageName, dexCodeInstructionSet, defer);
4862                    if (forceDex || (!defer && isDexOptNeeded == DexFile.DEXOPT_NEEDED)) {
4863                        Log.i(TAG, "Running dexopt on: " + path + " pkg="
4864                                + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet
4865                                + " vmSafeMode=" + vmSafeMode);
4866                        final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
4867                        final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg),
4868                                pkg.packageName, dexCodeInstructionSet, vmSafeMode);
4869
4870                        if (ret < 0) {
4871                            // Don't bother running dexopt again if we failed, it will probably
4872                            // just result in an error again. Also, don't bother dexopting for other
4873                            // paths & ISAs.
4874                            return DEX_OPT_FAILED;
4875                        }
4876
4877                        performedDexOpt = true;
4878                    } else if (!defer && isDexOptNeeded == DexFile.PATCHOAT_NEEDED) {
4879                        Log.i(TAG, "Running patchoat on: " + pkg.applicationInfo.packageName);
4880                        final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
4881                        final int ret = mInstaller.patchoat(path, sharedGid, !isForwardLocked(pkg),
4882                                pkg.packageName, dexCodeInstructionSet);
4883
4884                        if (ret < 0) {
4885                            // Don't bother running patchoat again if we failed, it will probably
4886                            // just result in an error again. Also, don't bother dexopting for other
4887                            // paths & ISAs.
4888                            return DEX_OPT_FAILED;
4889                        }
4890
4891                        performedDexOpt = true;
4892                    }
4893
4894                    // We're deciding to defer a needed dexopt. Don't bother dexopting for other
4895                    // paths and instruction sets. We'll deal with them all together when we process
4896                    // our list of deferred dexopts.
4897                    if (defer && isDexOptNeeded != DexFile.UP_TO_DATE) {
4898                        if (mDeferredDexOpt == null) {
4899                            mDeferredDexOpt = new HashSet<PackageParser.Package>();
4900                        }
4901                        mDeferredDexOpt.add(pkg);
4902                        return DEX_OPT_DEFERRED;
4903                    }
4904                } catch (FileNotFoundException e) {
4905                    Slog.w(TAG, "Apk not found for dexopt: " + path);
4906                    return DEX_OPT_FAILED;
4907                } catch (IOException e) {
4908                    Slog.w(TAG, "IOException reading apk: " + path, e);
4909                    return DEX_OPT_FAILED;
4910                } catch (StaleDexCacheError e) {
4911                    Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e);
4912                    return DEX_OPT_FAILED;
4913                } catch (Exception e) {
4914                    Slog.w(TAG, "Exception when doing dexopt : ", e);
4915                    return DEX_OPT_FAILED;
4916                }
4917            }
4918
4919            // At this point we haven't failed dexopt and we haven't deferred dexopt. We must
4920            // either have either succeeded dexopt, or have had isDexOptNeededInternal tell us
4921            // it isn't required. We therefore mark that this package doesn't need dexopt unless
4922            // it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped
4923            // it.
4924            pkg.mDexOptPerformed.add(dexCodeInstructionSet);
4925        }
4926
4927        // If we've gotten here, we're sure that no error occurred and that we haven't
4928        // deferred dex-opt. We've either dex-opted one more paths or instruction sets or
4929        // we've skipped all of them because they are up to date. In both cases this
4930        // package doesn't need dexopt any longer.
4931        return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED;
4932    }
4933
4934    private static String[] getAppDexInstructionSets(ApplicationInfo info) {
4935        if (info.primaryCpuAbi != null) {
4936            if (info.secondaryCpuAbi != null) {
4937                return new String[] {
4938                        VMRuntime.getInstructionSet(info.primaryCpuAbi),
4939                        VMRuntime.getInstructionSet(info.secondaryCpuAbi) };
4940            } else {
4941                return new String[] {
4942                        VMRuntime.getInstructionSet(info.primaryCpuAbi) };
4943            }
4944        }
4945
4946        return new String[] { getPreferredInstructionSet() };
4947    }
4948
4949    private static String[] getAppDexInstructionSets(PackageSetting ps) {
4950        if (ps.primaryCpuAbiString != null) {
4951            if (ps.secondaryCpuAbiString != null) {
4952                return new String[] {
4953                        VMRuntime.getInstructionSet(ps.primaryCpuAbiString),
4954                        VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) };
4955            } else {
4956                return new String[] {
4957                        VMRuntime.getInstructionSet(ps.primaryCpuAbiString) };
4958            }
4959        }
4960
4961        return new String[] { getPreferredInstructionSet() };
4962    }
4963
4964    private static String getPreferredInstructionSet() {
4965        if (sPreferredInstructionSet == null) {
4966            sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]);
4967        }
4968
4969        return sPreferredInstructionSet;
4970    }
4971
4972    private static List<String> getAllInstructionSets() {
4973        final String[] allAbis = Build.SUPPORTED_ABIS;
4974        final List<String> allInstructionSets = new ArrayList<String>(allAbis.length);
4975
4976        for (String abi : allAbis) {
4977            final String instructionSet = VMRuntime.getInstructionSet(abi);
4978            if (!allInstructionSets.contains(instructionSet)) {
4979                allInstructionSets.add(instructionSet);
4980            }
4981        }
4982
4983        return allInstructionSets;
4984    }
4985
4986    /**
4987     * Returns the instruction set that should be used to compile dex code. In the presence of
4988     * a native bridge this might be different than the one shared libraries use.
4989     */
4990    private static String getDexCodeInstructionSet(String sharedLibraryIsa) {
4991        String dexCodeIsa = SystemProperties.get("ro.dalvik.vm.isa." + sharedLibraryIsa);
4992        return (dexCodeIsa.isEmpty() ? sharedLibraryIsa : dexCodeIsa);
4993    }
4994
4995    private static String[] getDexCodeInstructionSets(String[] instructionSets) {
4996        HashSet<String> dexCodeInstructionSets = new HashSet<String>(instructionSets.length);
4997        for (String instructionSet : instructionSets) {
4998            dexCodeInstructionSets.add(getDexCodeInstructionSet(instructionSet));
4999        }
5000        return dexCodeInstructionSets.toArray(new String[dexCodeInstructionSets.size()]);
5001    }
5002
5003    /**
5004     * Returns deduplicated list of supported instructions for dex code.
5005     */
5006    public static String[] getAllDexCodeInstructionSets() {
5007        String[] supportedInstructionSets = new String[Build.SUPPORTED_ABIS.length];
5008        for (int i = 0; i < supportedInstructionSets.length; i++) {
5009            String abi = Build.SUPPORTED_ABIS[i];
5010            supportedInstructionSets[i] = VMRuntime.getInstructionSet(abi);
5011        }
5012        return getDexCodeInstructionSets(supportedInstructionSets);
5013    }
5014
5015    @Override
5016    public void forceDexOpt(String packageName) {
5017        enforceSystemOrRoot("forceDexOpt");
5018
5019        PackageParser.Package pkg;
5020        synchronized (mPackages) {
5021            pkg = mPackages.get(packageName);
5022            if (pkg == null) {
5023                throw new IllegalArgumentException("Missing package: " + packageName);
5024            }
5025        }
5026
5027        synchronized (mInstallLock) {
5028            final String[] instructionSets = new String[] {
5029                    getPrimaryInstructionSet(pkg.applicationInfo) };
5030            final int res = performDexOptLI(pkg, instructionSets, true, false, true);
5031            if (res != DEX_OPT_PERFORMED) {
5032                throw new IllegalStateException("Failed to dexopt: " + res);
5033            }
5034        }
5035    }
5036
5037    private int performDexOptLI(PackageParser.Package pkg, String[] instructionSets,
5038                                boolean forceDex, boolean defer, boolean inclDependencies) {
5039        HashSet<String> done;
5040        if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) {
5041            done = new HashSet<String>();
5042            done.add(pkg.packageName);
5043        } else {
5044            done = null;
5045        }
5046        return performDexOptLI(pkg, instructionSets,  forceDex, defer, done);
5047    }
5048
5049    private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) {
5050        if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) {
5051            Slog.w(TAG, "Unable to update from " + oldPkg.name
5052                    + " to " + newPkg.packageName
5053                    + ": old package not in system partition");
5054            return false;
5055        } else if (mPackages.get(oldPkg.name) != null) {
5056            Slog.w(TAG, "Unable to update from " + oldPkg.name
5057                    + " to " + newPkg.packageName
5058                    + ": old package still exists");
5059            return false;
5060        }
5061        return true;
5062    }
5063
5064    File getDataPathForUser(int userId) {
5065        return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId);
5066    }
5067
5068    private File getDataPathForPackage(String packageName, int userId) {
5069        /*
5070         * Until we fully support multiple users, return the directory we
5071         * previously would have. The PackageManagerTests will need to be
5072         * revised when this is changed back..
5073         */
5074        if (userId == 0) {
5075            return new File(mAppDataDir, packageName);
5076        } else {
5077            return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId
5078                + File.separator + packageName);
5079        }
5080    }
5081
5082    private int createDataDirsLI(String packageName, int uid, String seinfo) {
5083        int[] users = sUserManager.getUserIds();
5084        int res = mInstaller.install(packageName, uid, uid, seinfo);
5085        if (res < 0) {
5086            return res;
5087        }
5088        for (int user : users) {
5089            if (user != 0) {
5090                res = mInstaller.createUserData(packageName,
5091                        UserHandle.getUid(user, uid), user, seinfo);
5092                if (res < 0) {
5093                    return res;
5094                }
5095            }
5096        }
5097        return res;
5098    }
5099
5100    private int removeDataDirsLI(String packageName) {
5101        int[] users = sUserManager.getUserIds();
5102        int res = 0;
5103        for (int user : users) {
5104            int resInner = mInstaller.remove(packageName, user);
5105            if (resInner < 0) {
5106                res = resInner;
5107            }
5108        }
5109
5110        return res;
5111    }
5112
5113    private int deleteCodeCacheDirsLI(String packageName) {
5114        int[] users = sUserManager.getUserIds();
5115        int res = 0;
5116        for (int user : users) {
5117            int resInner = mInstaller.deleteCodeCacheFiles(packageName, user);
5118            if (resInner < 0) {
5119                res = resInner;
5120            }
5121        }
5122        return res;
5123    }
5124
5125    private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file,
5126            PackageParser.Package changingLib) {
5127        if (file.path != null) {
5128            usesLibraryFiles.add(file.path);
5129            return;
5130        }
5131        PackageParser.Package p = mPackages.get(file.apk);
5132        if (changingLib != null && changingLib.packageName.equals(file.apk)) {
5133            // If we are doing this while in the middle of updating a library apk,
5134            // then we need to make sure to use that new apk for determining the
5135            // dependencies here.  (We haven't yet finished committing the new apk
5136            // to the package manager state.)
5137            if (p == null || p.packageName.equals(changingLib.packageName)) {
5138                p = changingLib;
5139            }
5140        }
5141        if (p != null) {
5142            usesLibraryFiles.addAll(p.getAllCodePaths());
5143        }
5144    }
5145
5146    private void updateSharedLibrariesLPw(PackageParser.Package pkg,
5147            PackageParser.Package changingLib) throws PackageManagerException {
5148        if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) {
5149            final ArraySet<String> usesLibraryFiles = new ArraySet<>();
5150            int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0;
5151            for (int i=0; i<N; i++) {
5152                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i));
5153                if (file == null) {
5154                    throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY,
5155                            "Package " + pkg.packageName + " requires unavailable shared library "
5156                            + pkg.usesLibraries.get(i) + "; failing!");
5157                }
5158                addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
5159            }
5160            N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0;
5161            for (int i=0; i<N; i++) {
5162                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i));
5163                if (file == null) {
5164                    Slog.w(TAG, "Package " + pkg.packageName
5165                            + " desires unavailable shared library "
5166                            + pkg.usesOptionalLibraries.get(i) + "; ignoring!");
5167                } else {
5168                    addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
5169                }
5170            }
5171            N = usesLibraryFiles.size();
5172            if (N > 0) {
5173                pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]);
5174            } else {
5175                pkg.usesLibraryFiles = null;
5176            }
5177        }
5178    }
5179
5180    private static boolean hasString(List<String> list, List<String> which) {
5181        if (list == null) {
5182            return false;
5183        }
5184        for (int i=list.size()-1; i>=0; i--) {
5185            for (int j=which.size()-1; j>=0; j--) {
5186                if (which.get(j).equals(list.get(i))) {
5187                    return true;
5188                }
5189            }
5190        }
5191        return false;
5192    }
5193
5194    private void updateAllSharedLibrariesLPw() {
5195        for (PackageParser.Package pkg : mPackages.values()) {
5196            try {
5197                updateSharedLibrariesLPw(pkg, null);
5198            } catch (PackageManagerException e) {
5199                Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
5200            }
5201        }
5202    }
5203
5204    private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw(
5205            PackageParser.Package changingPkg) {
5206        ArrayList<PackageParser.Package> res = null;
5207        for (PackageParser.Package pkg : mPackages.values()) {
5208            if (hasString(pkg.usesLibraries, changingPkg.libraryNames)
5209                    || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) {
5210                if (res == null) {
5211                    res = new ArrayList<PackageParser.Package>();
5212                }
5213                res.add(pkg);
5214                try {
5215                    updateSharedLibrariesLPw(pkg, changingPkg);
5216                } catch (PackageManagerException e) {
5217                    Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
5218                }
5219            }
5220        }
5221        return res;
5222    }
5223
5224    /**
5225     * Derive the value of the {@code cpuAbiOverride} based on the provided
5226     * value and an optional stored value from the package settings.
5227     */
5228    private static String deriveAbiOverride(String abiOverride, PackageSetting settings) {
5229        String cpuAbiOverride = null;
5230
5231        if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) {
5232            cpuAbiOverride = null;
5233        } else if (abiOverride != null) {
5234            cpuAbiOverride = abiOverride;
5235        } else if (settings != null) {
5236            cpuAbiOverride = settings.cpuAbiOverrideString;
5237        }
5238
5239        return cpuAbiOverride;
5240    }
5241
5242    private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags,
5243            int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
5244        boolean success = false;
5245        try {
5246            final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags,
5247                    currentTime, user);
5248            success = true;
5249            return res;
5250        } finally {
5251            if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) {
5252                removeDataDirsLI(pkg.packageName);
5253            }
5254        }
5255    }
5256
5257    private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags,
5258            int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
5259        final File scanFile = new File(pkg.codePath);
5260        if (pkg.applicationInfo.getCodePath() == null ||
5261                pkg.applicationInfo.getResourcePath() == null) {
5262            // Bail out. The resource and code paths haven't been set.
5263            throw new PackageManagerException(INSTALL_FAILED_INVALID_APK,
5264                    "Code and resource paths haven't been set correctly");
5265        }
5266
5267        if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
5268            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM;
5269        } else {
5270            // Only allow system apps to be flagged as core apps.
5271            pkg.coreApp = false;
5272        }
5273
5274        if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) {
5275            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED;
5276        }
5277
5278        if (mCustomResolverComponentName != null &&
5279                mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) {
5280            setUpCustomResolverActivity(pkg);
5281        }
5282
5283        if (pkg.packageName.equals("android")) {
5284            synchronized (mPackages) {
5285                if (mAndroidApplication != null) {
5286                    Slog.w(TAG, "*************************************************");
5287                    Slog.w(TAG, "Core android package being redefined.  Skipping.");
5288                    Slog.w(TAG, " file=" + scanFile);
5289                    Slog.w(TAG, "*************************************************");
5290                    throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
5291                            "Core android package being redefined.  Skipping.");
5292                }
5293
5294                // Set up information for our fall-back user intent resolution activity.
5295                mPlatformPackage = pkg;
5296                pkg.mVersionCode = mSdkVersion;
5297                mAndroidApplication = pkg.applicationInfo;
5298
5299                if (!mResolverReplaced) {
5300                    mResolveActivity.applicationInfo = mAndroidApplication;
5301                    mResolveActivity.name = ResolverActivity.class.getName();
5302                    mResolveActivity.packageName = mAndroidApplication.packageName;
5303                    mResolveActivity.processName = "system:ui";
5304                    mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
5305                    mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER;
5306                    mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS;
5307                    mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert;
5308                    mResolveActivity.exported = true;
5309                    mResolveActivity.enabled = true;
5310                    mResolveInfo.activityInfo = mResolveActivity;
5311                    mResolveInfo.priority = 0;
5312                    mResolveInfo.preferredOrder = 0;
5313                    mResolveInfo.match = 0;
5314                    mResolveComponentName = new ComponentName(
5315                            mAndroidApplication.packageName, mResolveActivity.name);
5316                }
5317            }
5318        }
5319
5320        if (DEBUG_PACKAGE_SCANNING) {
5321            if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5322                Log.d(TAG, "Scanning package " + pkg.packageName);
5323        }
5324
5325        if (mPackages.containsKey(pkg.packageName)
5326                || mSharedLibraries.containsKey(pkg.packageName)) {
5327            throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
5328                    "Application package " + pkg.packageName
5329                    + " already installed.  Skipping duplicate.");
5330        }
5331
5332        // Initialize package source and resource directories
5333        File destCodeFile = new File(pkg.applicationInfo.getCodePath());
5334        File destResourceFile = new File(pkg.applicationInfo.getResourcePath());
5335
5336        SharedUserSetting suid = null;
5337        PackageSetting pkgSetting = null;
5338
5339        if (!isSystemApp(pkg)) {
5340            // Only system apps can use these features.
5341            pkg.mOriginalPackages = null;
5342            pkg.mRealPackage = null;
5343            pkg.mAdoptPermissions = null;
5344        }
5345
5346        // writer
5347        synchronized (mPackages) {
5348            if (pkg.mSharedUserId != null) {
5349                suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true);
5350                if (suid == null) {
5351                    throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
5352                            "Creating application package " + pkg.packageName
5353                            + " for shared user failed");
5354                }
5355                if (DEBUG_PACKAGE_SCANNING) {
5356                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5357                        Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId
5358                                + "): packages=" + suid.packages);
5359                }
5360            }
5361
5362            // Check if we are renaming from an original package name.
5363            PackageSetting origPackage = null;
5364            String realName = null;
5365            if (pkg.mOriginalPackages != null) {
5366                // This package may need to be renamed to a previously
5367                // installed name.  Let's check on that...
5368                final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage);
5369                if (pkg.mOriginalPackages.contains(renamed)) {
5370                    // This package had originally been installed as the
5371                    // original name, and we have already taken care of
5372                    // transitioning to the new one.  Just update the new
5373                    // one to continue using the old name.
5374                    realName = pkg.mRealPackage;
5375                    if (!pkg.packageName.equals(renamed)) {
5376                        // Callers into this function may have already taken
5377                        // care of renaming the package; only do it here if
5378                        // it is not already done.
5379                        pkg.setPackageName(renamed);
5380                    }
5381
5382                } else {
5383                    for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) {
5384                        if ((origPackage = mSettings.peekPackageLPr(
5385                                pkg.mOriginalPackages.get(i))) != null) {
5386                            // We do have the package already installed under its
5387                            // original name...  should we use it?
5388                            if (!verifyPackageUpdateLPr(origPackage, pkg)) {
5389                                // New package is not compatible with original.
5390                                origPackage = null;
5391                                continue;
5392                            } else if (origPackage.sharedUser != null) {
5393                                // Make sure uid is compatible between packages.
5394                                if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) {
5395                                    Slog.w(TAG, "Unable to migrate data from " + origPackage.name
5396                                            + " to " + pkg.packageName + ": old uid "
5397                                            + origPackage.sharedUser.name
5398                                            + " differs from " + pkg.mSharedUserId);
5399                                    origPackage = null;
5400                                    continue;
5401                                }
5402                            } else {
5403                                if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package "
5404                                        + pkg.packageName + " to old name " + origPackage.name);
5405                            }
5406                            break;
5407                        }
5408                    }
5409                }
5410            }
5411
5412            if (mTransferedPackages.contains(pkg.packageName)) {
5413                Slog.w(TAG, "Package " + pkg.packageName
5414                        + " was transferred to another, but its .apk remains");
5415            }
5416
5417            // Just create the setting, don't add it yet. For already existing packages
5418            // the PkgSetting exists already and doesn't have to be created.
5419            pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile,
5420                    destResourceFile, pkg.applicationInfo.nativeLibraryRootDir,
5421                    pkg.applicationInfo.primaryCpuAbi,
5422                    pkg.applicationInfo.secondaryCpuAbi,
5423                    pkg.applicationInfo.flags, user, false);
5424            if (pkgSetting == null) {
5425                throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
5426                        "Creating application package " + pkg.packageName + " failed");
5427            }
5428
5429            if (pkgSetting.origPackage != null) {
5430                // If we are first transitioning from an original package,
5431                // fix up the new package's name now.  We need to do this after
5432                // looking up the package under its new name, so getPackageLP
5433                // can take care of fiddling things correctly.
5434                pkg.setPackageName(origPackage.name);
5435
5436                // File a report about this.
5437                String msg = "New package " + pkgSetting.realName
5438                        + " renamed to replace old package " + pkgSetting.name;
5439                reportSettingsProblem(Log.WARN, msg);
5440
5441                // Make a note of it.
5442                mTransferedPackages.add(origPackage.name);
5443
5444                // No longer need to retain this.
5445                pkgSetting.origPackage = null;
5446            }
5447
5448            if (realName != null) {
5449                // Make a note of it.
5450                mTransferedPackages.add(pkg.packageName);
5451            }
5452
5453            if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) {
5454                pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
5455            }
5456
5457            if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5458                // Check all shared libraries and map to their actual file path.
5459                // We only do this here for apps not on a system dir, because those
5460                // are the only ones that can fail an install due to this.  We
5461                // will take care of the system apps by updating all of their
5462                // library paths after the scan is done.
5463                updateSharedLibrariesLPw(pkg, null);
5464            }
5465
5466            if (mFoundPolicyFile) {
5467                SELinuxMMAC.assignSeinfoValue(pkg);
5468            }
5469
5470            pkg.applicationInfo.uid = pkgSetting.appId;
5471            pkg.mExtras = pkgSetting;
5472            if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) {
5473                try {
5474                    verifySignaturesLP(pkgSetting, pkg);
5475                    // We just determined the app is signed correctly, so bring
5476                    // over the latest parsed certs.
5477                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
5478                } catch (PackageManagerException e) {
5479                    if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5480                        throw e;
5481                    }
5482                    // The signature has changed, but this package is in the system
5483                    // image...  let's recover!
5484                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
5485                    // However...  if this package is part of a shared user, but it
5486                    // doesn't match the signature of the shared user, let's fail.
5487                    // What this means is that you can't change the signatures
5488                    // associated with an overall shared user, which doesn't seem all
5489                    // that unreasonable.
5490                    if (pkgSetting.sharedUser != null) {
5491                        if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
5492                                              pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) {
5493                            throw new PackageManagerException(
5494                                    INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES,
5495                                            "Signature mismatch for shared user : "
5496                                            + pkgSetting.sharedUser);
5497                        }
5498                    }
5499                    // File a report about this.
5500                    String msg = "System package " + pkg.packageName
5501                        + " signature changed; retaining data.";
5502                    reportSettingsProblem(Log.WARN, msg);
5503                }
5504            } else {
5505                if (!checkUpgradeKeySetLP(pkgSetting, pkg)) {
5506                    throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
5507                            + pkg.packageName + " upgrade keys do not match the "
5508                            + "previously installed version");
5509                } else {
5510                    // We just determined the app is signed correctly, so bring
5511                    // over the latest parsed certs.
5512                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
5513                }
5514            }
5515            // Verify that this new package doesn't have any content providers
5516            // that conflict with existing packages.  Only do this if the
5517            // package isn't already installed, since we don't want to break
5518            // things that are installed.
5519            if ((scanFlags & SCAN_NEW_INSTALL) != 0) {
5520                final int N = pkg.providers.size();
5521                int i;
5522                for (i=0; i<N; i++) {
5523                    PackageParser.Provider p = pkg.providers.get(i);
5524                    if (p.info.authority != null) {
5525                        String names[] = p.info.authority.split(";");
5526                        for (int j = 0; j < names.length; j++) {
5527                            if (mProvidersByAuthority.containsKey(names[j])) {
5528                                PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
5529                                final String otherPackageName =
5530                                        ((other != null && other.getComponentName() != null) ?
5531                                                other.getComponentName().getPackageName() : "?");
5532                                throw new PackageManagerException(
5533                                        INSTALL_FAILED_CONFLICTING_PROVIDER,
5534                                                "Can't install because provider name " + names[j]
5535                                                + " (in package " + pkg.applicationInfo.packageName
5536                                                + ") is already used by " + otherPackageName);
5537                            }
5538                        }
5539                    }
5540                }
5541            }
5542
5543            if (pkg.mAdoptPermissions != null) {
5544                // This package wants to adopt ownership of permissions from
5545                // another package.
5546                for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) {
5547                    final String origName = pkg.mAdoptPermissions.get(i);
5548                    final PackageSetting orig = mSettings.peekPackageLPr(origName);
5549                    if (orig != null) {
5550                        if (verifyPackageUpdateLPr(orig, pkg)) {
5551                            Slog.i(TAG, "Adopting permissions from " + origName + " to "
5552                                    + pkg.packageName);
5553                            mSettings.transferPermissionsLPw(origName, pkg.packageName);
5554                        }
5555                    }
5556                }
5557            }
5558        }
5559
5560        final String pkgName = pkg.packageName;
5561
5562        final long scanFileTime = scanFile.lastModified();
5563        final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0;
5564        pkg.applicationInfo.processName = fixProcessName(
5565                pkg.applicationInfo.packageName,
5566                pkg.applicationInfo.processName,
5567                pkg.applicationInfo.uid);
5568
5569        File dataPath;
5570        if (mPlatformPackage == pkg) {
5571            // The system package is special.
5572            dataPath = new File(Environment.getDataDirectory(), "system");
5573
5574            pkg.applicationInfo.dataDir = dataPath.getPath();
5575
5576        } else {
5577            // This is a normal package, need to make its data directory.
5578            dataPath = getDataPathForPackage(pkg.packageName, 0);
5579
5580            boolean uidError = false;
5581            if (dataPath.exists()) {
5582                int currentUid = 0;
5583                try {
5584                    StructStat stat = Os.stat(dataPath.getPath());
5585                    currentUid = stat.st_uid;
5586                } catch (ErrnoException e) {
5587                    Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e);
5588                }
5589
5590                // If we have mismatched owners for the data path, we have a problem.
5591                if (currentUid != pkg.applicationInfo.uid) {
5592                    boolean recovered = false;
5593                    if (currentUid == 0) {
5594                        // The directory somehow became owned by root.  Wow.
5595                        // This is probably because the system was stopped while
5596                        // installd was in the middle of messing with its libs
5597                        // directory.  Ask installd to fix that.
5598                        int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid,
5599                                pkg.applicationInfo.uid);
5600                        if (ret >= 0) {
5601                            recovered = true;
5602                            String msg = "Package " + pkg.packageName
5603                                    + " unexpectedly changed to uid 0; recovered to " +
5604                                    + pkg.applicationInfo.uid;
5605                            reportSettingsProblem(Log.WARN, msg);
5606                        }
5607                    }
5608                    if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
5609                            || (scanFlags&SCAN_BOOTING) != 0)) {
5610                        // If this is a system app, we can at least delete its
5611                        // current data so the application will still work.
5612                        int ret = removeDataDirsLI(pkgName);
5613                        if (ret >= 0) {
5614                            // TODO: Kill the processes first
5615                            // Old data gone!
5616                            String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
5617                                    ? "System package " : "Third party package ";
5618                            String msg = prefix + pkg.packageName
5619                                    + " has changed from uid: "
5620                                    + currentUid + " to "
5621                                    + pkg.applicationInfo.uid + "; old data erased";
5622                            reportSettingsProblem(Log.WARN, msg);
5623                            recovered = true;
5624
5625                            // And now re-install the app.
5626                            ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid,
5627                                                   pkg.applicationInfo.seinfo);
5628                            if (ret == -1) {
5629                                // Ack should not happen!
5630                                msg = prefix + pkg.packageName
5631                                        + " could not have data directory re-created after delete.";
5632                                reportSettingsProblem(Log.WARN, msg);
5633                                throw new PackageManagerException(
5634                                        INSTALL_FAILED_INSUFFICIENT_STORAGE, msg);
5635                            }
5636                        }
5637                        if (!recovered) {
5638                            mHasSystemUidErrors = true;
5639                        }
5640                    } else if (!recovered) {
5641                        // If we allow this install to proceed, we will be broken.
5642                        // Abort, abort!
5643                        throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED,
5644                                "scanPackageLI");
5645                    }
5646                    if (!recovered) {
5647                        pkg.applicationInfo.dataDir = "/mismatched_uid/settings_"
5648                            + pkg.applicationInfo.uid + "/fs_"
5649                            + currentUid;
5650                        pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir;
5651                        pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir;
5652                        String msg = "Package " + pkg.packageName
5653                                + " has mismatched uid: "
5654                                + currentUid + " on disk, "
5655                                + pkg.applicationInfo.uid + " in settings";
5656                        // writer
5657                        synchronized (mPackages) {
5658                            mSettings.mReadMessages.append(msg);
5659                            mSettings.mReadMessages.append('\n');
5660                            uidError = true;
5661                            if (!pkgSetting.uidError) {
5662                                reportSettingsProblem(Log.ERROR, msg);
5663                            }
5664                        }
5665                    }
5666                }
5667                pkg.applicationInfo.dataDir = dataPath.getPath();
5668                if (mShouldRestoreconData) {
5669                    Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued.");
5670                    mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo,
5671                                pkg.applicationInfo.uid);
5672                }
5673            } else {
5674                if (DEBUG_PACKAGE_SCANNING) {
5675                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5676                        Log.v(TAG, "Want this data dir: " + dataPath);
5677                }
5678                //invoke installer to do the actual installation
5679                int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid,
5680                                           pkg.applicationInfo.seinfo);
5681                if (ret < 0) {
5682                    // Error from installer
5683                    throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
5684                            "Unable to create data dirs [errorCode=" + ret + "]");
5685                }
5686
5687                if (dataPath.exists()) {
5688                    pkg.applicationInfo.dataDir = dataPath.getPath();
5689                } else {
5690                    Slog.w(TAG, "Unable to create data directory: " + dataPath);
5691                    pkg.applicationInfo.dataDir = null;
5692                }
5693            }
5694
5695            pkgSetting.uidError = uidError;
5696        }
5697
5698        final String path = scanFile.getPath();
5699        final String codePath = pkg.applicationInfo.getCodePath();
5700        final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting);
5701        if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) {
5702            setBundledAppAbisAndRoots(pkg, pkgSetting);
5703
5704            // If we haven't found any native libraries for the app, check if it has
5705            // renderscript code. We'll need to force the app to 32 bit if it has
5706            // renderscript bitcode.
5707            if (pkg.applicationInfo.primaryCpuAbi == null
5708                    && pkg.applicationInfo.secondaryCpuAbi == null
5709                    && Build.SUPPORTED_64_BIT_ABIS.length >  0) {
5710                NativeLibraryHelper.Handle handle = null;
5711                try {
5712                    handle = NativeLibraryHelper.Handle.create(scanFile);
5713                    if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
5714                        pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
5715                    }
5716                } catch (IOException ioe) {
5717                    Slog.w(TAG, "Error scanning system app : " + ioe);
5718                } finally {
5719                    IoUtils.closeQuietly(handle);
5720                }
5721            }
5722
5723            setNativeLibraryPaths(pkg);
5724        } else {
5725            // TODO: We can probably be smarter about this stuff. For installed apps,
5726            // we can calculate this information at install time once and for all. For
5727            // system apps, we can probably assume that this information doesn't change
5728            // after the first boot scan. As things stand, we do lots of unnecessary work.
5729
5730            // Give ourselves some initial paths; we'll come back for another
5731            // pass once we've determined ABI below.
5732            setNativeLibraryPaths(pkg);
5733
5734            final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg);
5735            final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir;
5736            final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa;
5737
5738            NativeLibraryHelper.Handle handle = null;
5739            try {
5740                handle = NativeLibraryHelper.Handle.create(scanFile);
5741                // TODO(multiArch): This can be null for apps that didn't go through the
5742                // usual installation process. We can calculate it again, like we
5743                // do during install time.
5744                //
5745                // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally
5746                // unnecessary.
5747                final File nativeLibraryRoot = new File(nativeLibraryRootStr);
5748
5749                // Null out the abis so that they can be recalculated.
5750                pkg.applicationInfo.primaryCpuAbi = null;
5751                pkg.applicationInfo.secondaryCpuAbi = null;
5752                if (isMultiArch(pkg.applicationInfo)) {
5753                    // Warn if we've set an abiOverride for multi-lib packages..
5754                    // By definition, we need to copy both 32 and 64 bit libraries for
5755                    // such packages.
5756                    if (pkg.cpuAbiOverride != null
5757                            && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) {
5758                        Slog.w(TAG, "Ignoring abiOverride for multi arch application.");
5759                    }
5760
5761                    int abi32 = PackageManager.NO_NATIVE_LIBRARIES;
5762                    int abi64 = PackageManager.NO_NATIVE_LIBRARIES;
5763                    if (Build.SUPPORTED_32_BIT_ABIS.length > 0) {
5764                        if (isAsec) {
5765                            abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS);
5766                        } else {
5767                            abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
5768                                    nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS,
5769                                    useIsaSpecificSubdirs);
5770                        }
5771                    }
5772
5773                    maybeThrowExceptionForMultiArchCopy(
5774                            "Error unpackaging 32 bit native libs for multiarch app.", abi32);
5775
5776                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0) {
5777                        if (isAsec) {
5778                            abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS);
5779                        } else {
5780                            abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
5781                                    nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS,
5782                                    useIsaSpecificSubdirs);
5783                        }
5784                    }
5785
5786                    maybeThrowExceptionForMultiArchCopy(
5787                            "Error unpackaging 64 bit native libs for multiarch app.", abi64);
5788
5789                    if (abi64 >= 0) {
5790                        pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64];
5791                    }
5792
5793                    if (abi32 >= 0) {
5794                        final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32];
5795                        if (abi64 >= 0) {
5796                            pkg.applicationInfo.secondaryCpuAbi = abi;
5797                        } else {
5798                            pkg.applicationInfo.primaryCpuAbi = abi;
5799                        }
5800                    }
5801                } else {
5802                    String[] abiList = (cpuAbiOverride != null) ?
5803                            new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS;
5804
5805                    // Enable gross and lame hacks for apps that are built with old
5806                    // SDK tools. We must scan their APKs for renderscript bitcode and
5807                    // not launch them if it's present. Don't bother checking on devices
5808                    // that don't have 64 bit support.
5809                    boolean needsRenderScriptOverride = false;
5810                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null &&
5811                            NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
5812                        abiList = Build.SUPPORTED_32_BIT_ABIS;
5813                        needsRenderScriptOverride = true;
5814                    }
5815
5816                    final int copyRet;
5817                    if (isAsec) {
5818                        copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList);
5819                    } else {
5820                        copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
5821                                nativeLibraryRoot, abiList, useIsaSpecificSubdirs);
5822                    }
5823
5824                    if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) {
5825                        throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
5826                                "Error unpackaging native libs for app, errorCode=" + copyRet);
5827                    }
5828
5829                    if (copyRet >= 0) {
5830                        pkg.applicationInfo.primaryCpuAbi = abiList[copyRet];
5831                    } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) {
5832                        pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride;
5833                    } else if (needsRenderScriptOverride) {
5834                        pkg.applicationInfo.primaryCpuAbi = abiList[0];
5835                    }
5836                }
5837            } catch (IOException ioe) {
5838                Slog.e(TAG, "Unable to get canonical file " + ioe.toString());
5839            } finally {
5840                IoUtils.closeQuietly(handle);
5841            }
5842
5843            // Now that we've calculated the ABIs and determined if it's an internal app,
5844            // we will go ahead and populate the nativeLibraryPath.
5845            setNativeLibraryPaths(pkg);
5846
5847            if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path);
5848            final int[] userIds = sUserManager.getUserIds();
5849            synchronized (mInstallLock) {
5850                // Create a native library symlink only if we have native libraries
5851                // and if the native libraries are 32 bit libraries. We do not provide
5852                // this symlink for 64 bit libraries.
5853                if (pkg.applicationInfo.primaryCpuAbi != null &&
5854                        !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
5855                    final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
5856                    for (int userId : userIds) {
5857                        if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) {
5858                            throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
5859                                    "Failed linking native library dir (user=" + userId + ")");
5860                        }
5861                    }
5862                }
5863            }
5864        }
5865
5866        // This is a special case for the "system" package, where the ABI is
5867        // dictated by the zygote configuration (and init.rc). We should keep track
5868        // of this ABI so that we can deal with "normal" applications that run under
5869        // the same UID correctly.
5870        if (mPlatformPackage == pkg) {
5871            pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ?
5872                    Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0];
5873        }
5874
5875        pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
5876        pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
5877        pkgSetting.cpuAbiOverrideString = cpuAbiOverride;
5878        // Copy the derived override back to the parsed package, so that we can
5879        // update the package settings accordingly.
5880        pkg.cpuAbiOverride = cpuAbiOverride;
5881
5882        if (DEBUG_ABI_SELECTION) {
5883            Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName
5884                    + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa="
5885                    + pkg.applicationInfo.nativeLibraryRootRequiresIsa);
5886        }
5887
5888        // Push the derived path down into PackageSettings so we know what to
5889        // clean up at uninstall time.
5890        pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir;
5891
5892        if (DEBUG_ABI_SELECTION) {
5893            Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" +
5894                    " primary=" + pkg.applicationInfo.primaryCpuAbi +
5895                    " secondary=" + pkg.applicationInfo.secondaryCpuAbi);
5896        }
5897
5898        if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) {
5899            // We don't do this here during boot because we can do it all
5900            // at once after scanning all existing packages.
5901            //
5902            // We also do this *before* we perform dexopt on this package, so that
5903            // we can avoid redundant dexopts, and also to make sure we've got the
5904            // code and package path correct.
5905            adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages,
5906                    pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0);
5907        }
5908
5909        if ((scanFlags & SCAN_NO_DEX) == 0) {
5910            if (performDexOptLI(pkg, null /* instruction sets */, forceDex,
5911                    (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) {
5912                throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI");
5913            }
5914        }
5915
5916        if (mFactoryTest && pkg.requestedPermissions.contains(
5917                android.Manifest.permission.FACTORY_TEST)) {
5918            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST;
5919        }
5920
5921        ArrayList<PackageParser.Package> clientLibPkgs = null;
5922
5923        // writer
5924        synchronized (mPackages) {
5925            if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
5926                // Only system apps can add new shared libraries.
5927                if (pkg.libraryNames != null) {
5928                    for (int i=0; i<pkg.libraryNames.size(); i++) {
5929                        String name = pkg.libraryNames.get(i);
5930                        boolean allowed = false;
5931                        if (isUpdatedSystemApp(pkg)) {
5932                            // New library entries can only be added through the
5933                            // system image.  This is important to get rid of a lot
5934                            // of nasty edge cases: for example if we allowed a non-
5935                            // system update of the app to add a library, then uninstalling
5936                            // the update would make the library go away, and assumptions
5937                            // we made such as through app install filtering would now
5938                            // have allowed apps on the device which aren't compatible
5939                            // with it.  Better to just have the restriction here, be
5940                            // conservative, and create many fewer cases that can negatively
5941                            // impact the user experience.
5942                            final PackageSetting sysPs = mSettings
5943                                    .getDisabledSystemPkgLPr(pkg.packageName);
5944                            if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) {
5945                                for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) {
5946                                    if (name.equals(sysPs.pkg.libraryNames.get(j))) {
5947                                        allowed = true;
5948                                        allowed = true;
5949                                        break;
5950                                    }
5951                                }
5952                            }
5953                        } else {
5954                            allowed = true;
5955                        }
5956                        if (allowed) {
5957                            if (!mSharedLibraries.containsKey(name)) {
5958                                mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName));
5959                            } else if (!name.equals(pkg.packageName)) {
5960                                Slog.w(TAG, "Package " + pkg.packageName + " library "
5961                                        + name + " already exists; skipping");
5962                            }
5963                        } else {
5964                            Slog.w(TAG, "Package " + pkg.packageName + " declares lib "
5965                                    + name + " that is not declared on system image; skipping");
5966                        }
5967                    }
5968                    if ((scanFlags&SCAN_BOOTING) == 0) {
5969                        // If we are not booting, we need to update any applications
5970                        // that are clients of our shared library.  If we are booting,
5971                        // this will all be done once the scan is complete.
5972                        clientLibPkgs = updateAllSharedLibrariesLPw(pkg);
5973                    }
5974                }
5975            }
5976        }
5977
5978        // We also need to dexopt any apps that are dependent on this library.  Note that
5979        // if these fail, we should abort the install since installing the library will
5980        // result in some apps being broken.
5981        if (clientLibPkgs != null) {
5982            if ((scanFlags & SCAN_NO_DEX) == 0) {
5983                for (int i = 0; i < clientLibPkgs.size(); i++) {
5984                    PackageParser.Package clientPkg = clientLibPkgs.get(i);
5985                    if (performDexOptLI(clientPkg, null /* instruction sets */, forceDex,
5986                            (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) {
5987                        throw new PackageManagerException(INSTALL_FAILED_DEXOPT,
5988                                "scanPackageLI failed to dexopt clientLibPkgs");
5989                    }
5990                }
5991            }
5992        }
5993
5994        // Request the ActivityManager to kill the process(only for existing packages)
5995        // so that we do not end up in a confused state while the user is still using the older
5996        // version of the application while the new one gets installed.
5997        if ((scanFlags & SCAN_REPLACING) != 0) {
5998            killApplication(pkg.applicationInfo.packageName,
5999                        pkg.applicationInfo.uid, "update pkg");
6000        }
6001
6002        // Also need to kill any apps that are dependent on the library.
6003        if (clientLibPkgs != null) {
6004            for (int i=0; i<clientLibPkgs.size(); i++) {
6005                PackageParser.Package clientPkg = clientLibPkgs.get(i);
6006                killApplication(clientPkg.applicationInfo.packageName,
6007                        clientPkg.applicationInfo.uid, "update lib");
6008            }
6009        }
6010
6011        // writer
6012        synchronized (mPackages) {
6013            // We don't expect installation to fail beyond this point
6014
6015            // Add the new setting to mSettings
6016            mSettings.insertPackageSettingLPw(pkgSetting, pkg);
6017            // Add the new setting to mPackages
6018            mPackages.put(pkg.applicationInfo.packageName, pkg);
6019            // Make sure we don't accidentally delete its data.
6020            final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator();
6021            while (iter.hasNext()) {
6022                PackageCleanItem item = iter.next();
6023                if (pkgName.equals(item.packageName)) {
6024                    iter.remove();
6025                }
6026            }
6027
6028            // Take care of first install / last update times.
6029            if (currentTime != 0) {
6030                if (pkgSetting.firstInstallTime == 0) {
6031                    pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime;
6032                } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) {
6033                    pkgSetting.lastUpdateTime = currentTime;
6034                }
6035            } else if (pkgSetting.firstInstallTime == 0) {
6036                // We need *something*.  Take time time stamp of the file.
6037                pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime;
6038            } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) {
6039                if (scanFileTime != pkgSetting.timeStamp) {
6040                    // A package on the system image has changed; consider this
6041                    // to be an update.
6042                    pkgSetting.lastUpdateTime = scanFileTime;
6043                }
6044            }
6045
6046            // Add the package's KeySets to the global KeySetManagerService
6047            KeySetManagerService ksms = mSettings.mKeySetManagerService;
6048            try {
6049                // Old KeySetData no longer valid.
6050                ksms.removeAppKeySetDataLPw(pkg.packageName);
6051                ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys);
6052                if (pkg.mKeySetMapping != null) {
6053                    for (Map.Entry<String, ArraySet<PublicKey>> entry :
6054                            pkg.mKeySetMapping.entrySet()) {
6055                        if (entry.getValue() != null) {
6056                            ksms.addDefinedKeySetToPackageLPw(pkg.packageName,
6057                                                          entry.getValue(), entry.getKey());
6058                        }
6059                    }
6060                    if (pkg.mUpgradeKeySets != null) {
6061                        for (String upgradeAlias : pkg.mUpgradeKeySets) {
6062                            ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias);
6063                        }
6064                    }
6065                }
6066            } catch (NullPointerException e) {
6067                Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e);
6068            } catch (IllegalArgumentException e) {
6069                Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e);
6070            }
6071
6072            int N = pkg.providers.size();
6073            StringBuilder r = null;
6074            int i;
6075            for (i=0; i<N; i++) {
6076                PackageParser.Provider p = pkg.providers.get(i);
6077                p.info.processName = fixProcessName(pkg.applicationInfo.processName,
6078                        p.info.processName, pkg.applicationInfo.uid);
6079                mProviders.addProvider(p);
6080                p.syncable = p.info.isSyncable;
6081                if (p.info.authority != null) {
6082                    String names[] = p.info.authority.split(";");
6083                    p.info.authority = null;
6084                    for (int j = 0; j < names.length; j++) {
6085                        if (j == 1 && p.syncable) {
6086                            // We only want the first authority for a provider to possibly be
6087                            // syncable, so if we already added this provider using a different
6088                            // authority clear the syncable flag. We copy the provider before
6089                            // changing it because the mProviders object contains a reference
6090                            // to a provider that we don't want to change.
6091                            // Only do this for the second authority since the resulting provider
6092                            // object can be the same for all future authorities for this provider.
6093                            p = new PackageParser.Provider(p);
6094                            p.syncable = false;
6095                        }
6096                        if (!mProvidersByAuthority.containsKey(names[j])) {
6097                            mProvidersByAuthority.put(names[j], p);
6098                            if (p.info.authority == null) {
6099                                p.info.authority = names[j];
6100                            } else {
6101                                p.info.authority = p.info.authority + ";" + names[j];
6102                            }
6103                            if (DEBUG_PACKAGE_SCANNING) {
6104                                if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
6105                                    Log.d(TAG, "Registered content provider: " + names[j]
6106                                            + ", className = " + p.info.name + ", isSyncable = "
6107                                            + p.info.isSyncable);
6108                            }
6109                        } else {
6110                            PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
6111                            Slog.w(TAG, "Skipping provider name " + names[j] +
6112                                    " (in package " + pkg.applicationInfo.packageName +
6113                                    "): name already used by "
6114                                    + ((other != null && other.getComponentName() != null)
6115                                            ? other.getComponentName().getPackageName() : "?"));
6116                        }
6117                    }
6118                }
6119                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6120                    if (r == null) {
6121                        r = new StringBuilder(256);
6122                    } else {
6123                        r.append(' ');
6124                    }
6125                    r.append(p.info.name);
6126                }
6127            }
6128            if (r != null) {
6129                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Providers: " + r);
6130            }
6131
6132            N = pkg.services.size();
6133            r = null;
6134            for (i=0; i<N; i++) {
6135                PackageParser.Service s = pkg.services.get(i);
6136                s.info.processName = fixProcessName(pkg.applicationInfo.processName,
6137                        s.info.processName, pkg.applicationInfo.uid);
6138                mServices.addService(s);
6139                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6140                    if (r == null) {
6141                        r = new StringBuilder(256);
6142                    } else {
6143                        r.append(' ');
6144                    }
6145                    r.append(s.info.name);
6146                }
6147            }
6148            if (r != null) {
6149                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Services: " + r);
6150            }
6151
6152            N = pkg.receivers.size();
6153            r = null;
6154            for (i=0; i<N; i++) {
6155                PackageParser.Activity a = pkg.receivers.get(i);
6156                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
6157                        a.info.processName, pkg.applicationInfo.uid);
6158                mReceivers.addActivity(a, "receiver");
6159                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6160                    if (r == null) {
6161                        r = new StringBuilder(256);
6162                    } else {
6163                        r.append(' ');
6164                    }
6165                    r.append(a.info.name);
6166                }
6167            }
6168            if (r != null) {
6169                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Receivers: " + r);
6170            }
6171
6172            N = pkg.activities.size();
6173            r = null;
6174            for (i=0; i<N; i++) {
6175                PackageParser.Activity a = pkg.activities.get(i);
6176                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
6177                        a.info.processName, pkg.applicationInfo.uid);
6178                mActivities.addActivity(a, "activity");
6179                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6180                    if (r == null) {
6181                        r = new StringBuilder(256);
6182                    } else {
6183                        r.append(' ');
6184                    }
6185                    r.append(a.info.name);
6186                }
6187            }
6188            if (r != null) {
6189                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Activities: " + r);
6190            }
6191
6192            N = pkg.permissionGroups.size();
6193            r = null;
6194            for (i=0; i<N; i++) {
6195                PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i);
6196                PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name);
6197                if (cur == null) {
6198                    mPermissionGroups.put(pg.info.name, pg);
6199                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6200                        if (r == null) {
6201                            r = new StringBuilder(256);
6202                        } else {
6203                            r.append(' ');
6204                        }
6205                        r.append(pg.info.name);
6206                    }
6207                } else {
6208                    Slog.w(TAG, "Permission group " + pg.info.name + " from package "
6209                            + pg.info.packageName + " ignored: original from "
6210                            + cur.info.packageName);
6211                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6212                        if (r == null) {
6213                            r = new StringBuilder(256);
6214                        } else {
6215                            r.append(' ');
6216                        }
6217                        r.append("DUP:");
6218                        r.append(pg.info.name);
6219                    }
6220                }
6221            }
6222            if (r != null) {
6223                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permission Groups: " + r);
6224            }
6225
6226            N = pkg.permissions.size();
6227            r = null;
6228            for (i=0; i<N; i++) {
6229                PackageParser.Permission p = pkg.permissions.get(i);
6230                HashMap<String, BasePermission> permissionMap =
6231                        p.tree ? mSettings.mPermissionTrees
6232                        : mSettings.mPermissions;
6233                p.group = mPermissionGroups.get(p.info.group);
6234                if (p.info.group == null || p.group != null) {
6235                    BasePermission bp = permissionMap.get(p.info.name);
6236
6237                    // Allow system apps to redefine non-system permissions
6238                    if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) {
6239                        final boolean currentOwnerIsSystem = (bp.perm != null
6240                                && isSystemApp(bp.perm.owner));
6241                        if (isSystemApp(p.owner)) {
6242                            if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) {
6243                                // It's a built-in permission and no owner, take ownership now
6244                                bp.packageSetting = pkgSetting;
6245                                bp.perm = p;
6246                                bp.uid = pkg.applicationInfo.uid;
6247                                bp.sourcePackage = p.info.packageName;
6248                            } else if (!currentOwnerIsSystem) {
6249                                String msg = "New decl " + p.owner + " of permission  "
6250                                        + p.info.name + " is system; overriding " + bp.sourcePackage;
6251                                reportSettingsProblem(Log.WARN, msg);
6252                                bp = null;
6253                            }
6254                        }
6255                    }
6256
6257                    if (bp == null) {
6258                        bp = new BasePermission(p.info.name, p.info.packageName,
6259                                BasePermission.TYPE_NORMAL);
6260                        permissionMap.put(p.info.name, bp);
6261                    }
6262
6263                    if (bp.perm == null) {
6264                        if (bp.sourcePackage == null
6265                                || bp.sourcePackage.equals(p.info.packageName)) {
6266                            BasePermission tree = findPermissionTreeLP(p.info.name);
6267                            if (tree == null
6268                                    || tree.sourcePackage.equals(p.info.packageName)) {
6269                                bp.packageSetting = pkgSetting;
6270                                bp.perm = p;
6271                                bp.uid = pkg.applicationInfo.uid;
6272                                bp.sourcePackage = p.info.packageName;
6273                                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6274                                    if (r == null) {
6275                                        r = new StringBuilder(256);
6276                                    } else {
6277                                        r.append(' ');
6278                                    }
6279                                    r.append(p.info.name);
6280                                }
6281                            } else {
6282                                Slog.w(TAG, "Permission " + p.info.name + " from package "
6283                                        + p.info.packageName + " ignored: base tree "
6284                                        + tree.name + " is from package "
6285                                        + tree.sourcePackage);
6286                            }
6287                        } else {
6288                            Slog.w(TAG, "Permission " + p.info.name + " from package "
6289                                    + p.info.packageName + " ignored: original from "
6290                                    + bp.sourcePackage);
6291                        }
6292                    } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6293                        if (r == null) {
6294                            r = new StringBuilder(256);
6295                        } else {
6296                            r.append(' ');
6297                        }
6298                        r.append("DUP:");
6299                        r.append(p.info.name);
6300                    }
6301                    if (bp.perm == p) {
6302                        bp.protectionLevel = p.info.protectionLevel;
6303                    }
6304                } else {
6305                    Slog.w(TAG, "Permission " + p.info.name + " from package "
6306                            + p.info.packageName + " ignored: no group "
6307                            + p.group);
6308                }
6309            }
6310            if (r != null) {
6311                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permissions: " + r);
6312            }
6313
6314            N = pkg.instrumentation.size();
6315            r = null;
6316            for (i=0; i<N; i++) {
6317                PackageParser.Instrumentation a = pkg.instrumentation.get(i);
6318                a.info.packageName = pkg.applicationInfo.packageName;
6319                a.info.sourceDir = pkg.applicationInfo.sourceDir;
6320                a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir;
6321                a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs;
6322                a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs;
6323                a.info.dataDir = pkg.applicationInfo.dataDir;
6324
6325                // TODO: Update instrumentation.nativeLibraryDir as well ? Does it
6326                // need other information about the application, like the ABI and what not ?
6327                a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir;
6328                mInstrumentation.put(a.getComponentName(), a);
6329                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6330                    if (r == null) {
6331                        r = new StringBuilder(256);
6332                    } else {
6333                        r.append(' ');
6334                    }
6335                    r.append(a.info.name);
6336                }
6337            }
6338            if (r != null) {
6339                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Instrumentation: " + r);
6340            }
6341
6342            if (pkg.protectedBroadcasts != null) {
6343                N = pkg.protectedBroadcasts.size();
6344                for (i=0; i<N; i++) {
6345                    mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i));
6346                }
6347            }
6348
6349            pkgSetting.setTimeStamp(scanFileTime);
6350
6351            // Create idmap files for pairs of (packages, overlay packages).
6352            // Note: "android", ie framework-res.apk, is handled by native layers.
6353            if (pkg.mOverlayTarget != null) {
6354                // This is an overlay package.
6355                if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) {
6356                    if (!mOverlays.containsKey(pkg.mOverlayTarget)) {
6357                        mOverlays.put(pkg.mOverlayTarget,
6358                                new HashMap<String, PackageParser.Package>());
6359                    }
6360                    HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget);
6361                    map.put(pkg.packageName, pkg);
6362                    PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget);
6363                    if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) {
6364                        throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
6365                                "scanPackageLI failed to createIdmap");
6366                    }
6367                }
6368            } else if (mOverlays.containsKey(pkg.packageName) &&
6369                    !pkg.packageName.equals("android")) {
6370                // This is a regular package, with one or more known overlay packages.
6371                createIdmapsForPackageLI(pkg);
6372            }
6373        }
6374
6375        return pkg;
6376    }
6377
6378    /**
6379     * Adjusts ABIs for a set of packages belonging to a shared user so that they all match.
6380     * i.e, so that all packages can be run inside a single process if required.
6381     *
6382     * Optionally, callers can pass in a parsed package via {@code newPackage} in which case
6383     * this function will either try and make the ABI for all packages in {@code packagesForUser}
6384     * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match
6385     * the ABI selected for {@code packagesForUser}. This variant is used when installing or
6386     * updating a package that belongs to a shared user.
6387     *
6388     * NOTE: We currently only match for the primary CPU abi string. Matching the secondary
6389     * adds unnecessary complexity.
6390     */
6391    private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser,
6392            PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) {
6393        String requiredInstructionSet = null;
6394        if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) {
6395            requiredInstructionSet = VMRuntime.getInstructionSet(
6396                     scannedPackage.applicationInfo.primaryCpuAbi);
6397        }
6398
6399        PackageSetting requirer = null;
6400        for (PackageSetting ps : packagesForUser) {
6401            // If packagesForUser contains scannedPackage, we skip it. This will happen
6402            // when scannedPackage is an update of an existing package. Without this check,
6403            // we will never be able to change the ABI of any package belonging to a shared
6404            // user, even if it's compatible with other packages.
6405            if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
6406                if (ps.primaryCpuAbiString == null) {
6407                    continue;
6408                }
6409
6410                final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString);
6411                if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) {
6412                    // We have a mismatch between instruction sets (say arm vs arm64) warn about
6413                    // this but there's not much we can do.
6414                    String errorMessage = "Instruction set mismatch, "
6415                            + ((requirer == null) ? "[caller]" : requirer)
6416                            + " requires " + requiredInstructionSet + " whereas " + ps
6417                            + " requires " + instructionSet;
6418                    Slog.w(TAG, errorMessage);
6419                }
6420
6421                if (requiredInstructionSet == null) {
6422                    requiredInstructionSet = instructionSet;
6423                    requirer = ps;
6424                }
6425            }
6426        }
6427
6428        if (requiredInstructionSet != null) {
6429            String adjustedAbi;
6430            if (requirer != null) {
6431                // requirer != null implies that either scannedPackage was null or that scannedPackage
6432                // did not require an ABI, in which case we have to adjust scannedPackage to match
6433                // the ABI of the set (which is the same as requirer's ABI)
6434                adjustedAbi = requirer.primaryCpuAbiString;
6435                if (scannedPackage != null) {
6436                    scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi;
6437                }
6438            } else {
6439                // requirer == null implies that we're updating all ABIs in the set to
6440                // match scannedPackage.
6441                adjustedAbi =  scannedPackage.applicationInfo.primaryCpuAbi;
6442            }
6443
6444            for (PackageSetting ps : packagesForUser) {
6445                if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
6446                    if (ps.primaryCpuAbiString != null) {
6447                        continue;
6448                    }
6449
6450                    ps.primaryCpuAbiString = adjustedAbi;
6451                    if (ps.pkg != null && ps.pkg.applicationInfo != null) {
6452                        ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi;
6453                        Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi);
6454
6455                        if (performDexOptLI(ps.pkg, null /* instruction sets */, forceDexOpt,
6456                                deferDexOpt, true) == DEX_OPT_FAILED) {
6457                            ps.primaryCpuAbiString = null;
6458                            ps.pkg.applicationInfo.primaryCpuAbi = null;
6459                            return;
6460                        } else {
6461                            mInstaller.rmdex(ps.codePathString,
6462                                             getDexCodeInstructionSet(getPreferredInstructionSet()));
6463                        }
6464                    }
6465                }
6466            }
6467        }
6468    }
6469
6470    private void setUpCustomResolverActivity(PackageParser.Package pkg) {
6471        synchronized (mPackages) {
6472            mResolverReplaced = true;
6473            // Set up information for custom user intent resolution activity.
6474            mResolveActivity.applicationInfo = pkg.applicationInfo;
6475            mResolveActivity.name = mCustomResolverComponentName.getClassName();
6476            mResolveActivity.packageName = pkg.applicationInfo.packageName;
6477            mResolveActivity.processName = null;
6478            mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
6479            mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS |
6480                    ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS;
6481            mResolveActivity.theme = 0;
6482            mResolveActivity.exported = true;
6483            mResolveActivity.enabled = true;
6484            mResolveInfo.activityInfo = mResolveActivity;
6485            mResolveInfo.priority = 0;
6486            mResolveInfo.preferredOrder = 0;
6487            mResolveInfo.match = 0;
6488            mResolveComponentName = mCustomResolverComponentName;
6489            Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " +
6490                    mResolveComponentName);
6491        }
6492    }
6493
6494    private static String calculateBundledApkRoot(final String codePathString) {
6495        final File codePath = new File(codePathString);
6496        final File codeRoot;
6497        if (FileUtils.contains(Environment.getRootDirectory(), codePath)) {
6498            codeRoot = Environment.getRootDirectory();
6499        } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) {
6500            codeRoot = Environment.getOemDirectory();
6501        } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) {
6502            codeRoot = Environment.getVendorDirectory();
6503        } else {
6504            // Unrecognized code path; take its top real segment as the apk root:
6505            // e.g. /something/app/blah.apk => /something
6506            try {
6507                File f = codePath.getCanonicalFile();
6508                File parent = f.getParentFile();    // non-null because codePath is a file
6509                File tmp;
6510                while ((tmp = parent.getParentFile()) != null) {
6511                    f = parent;
6512                    parent = tmp;
6513                }
6514                codeRoot = f;
6515                Slog.w(TAG, "Unrecognized code path "
6516                        + codePath + " - using " + codeRoot);
6517            } catch (IOException e) {
6518                // Can't canonicalize the code path -- shenanigans?
6519                Slog.w(TAG, "Can't canonicalize code path " + codePath);
6520                return Environment.getRootDirectory().getPath();
6521            }
6522        }
6523        return codeRoot.getPath();
6524    }
6525
6526    /**
6527     * Derive and set the location of native libraries for the given package,
6528     * which varies depending on where and how the package was installed.
6529     */
6530    private void setNativeLibraryPaths(PackageParser.Package pkg) {
6531        final ApplicationInfo info = pkg.applicationInfo;
6532        final String codePath = pkg.codePath;
6533        final File codeFile = new File(codePath);
6534        final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info);
6535        final boolean asecApp = isForwardLocked(info) || isExternal(info);
6536
6537        info.nativeLibraryRootDir = null;
6538        info.nativeLibraryRootRequiresIsa = false;
6539        info.nativeLibraryDir = null;
6540        info.secondaryNativeLibraryDir = null;
6541
6542        if (isApkFile(codeFile)) {
6543            // Monolithic install
6544            if (bundledApp) {
6545                // If "/system/lib64/apkname" exists, assume that is the per-package
6546                // native library directory to use; otherwise use "/system/lib/apkname".
6547                final String apkRoot = calculateBundledApkRoot(info.sourceDir);
6548                final boolean is64Bit = VMRuntime.is64BitInstructionSet(
6549                        getPrimaryInstructionSet(info));
6550
6551                // This is a bundled system app so choose the path based on the ABI.
6552                // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this
6553                // is just the default path.
6554                final String apkName = deriveCodePathName(codePath);
6555                final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME;
6556                info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir,
6557                        apkName).getAbsolutePath();
6558
6559                if (info.secondaryCpuAbi != null) {
6560                    final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME;
6561                    info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot),
6562                            secondaryLibDir, apkName).getAbsolutePath();
6563                }
6564            } else if (asecApp) {
6565                info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME)
6566                        .getAbsolutePath();
6567            } else {
6568                final String apkName = deriveCodePathName(codePath);
6569                info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName)
6570                        .getAbsolutePath();
6571            }
6572
6573            info.nativeLibraryRootRequiresIsa = false;
6574            info.nativeLibraryDir = info.nativeLibraryRootDir;
6575        } else {
6576            // Cluster install
6577            info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath();
6578            info.nativeLibraryRootRequiresIsa = true;
6579
6580            info.nativeLibraryDir = new File(info.nativeLibraryRootDir,
6581                    getPrimaryInstructionSet(info)).getAbsolutePath();
6582
6583            if (info.secondaryCpuAbi != null) {
6584                info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir,
6585                        VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath();
6586            }
6587        }
6588    }
6589
6590    /**
6591     * Calculate the abis and roots for a bundled app. These can uniquely
6592     * be determined from the contents of the system partition, i.e whether
6593     * it contains 64 or 32 bit shared libraries etc. We do not validate any
6594     * of this information, and instead assume that the system was built
6595     * sensibly.
6596     */
6597    private void setBundledAppAbisAndRoots(PackageParser.Package pkg,
6598                                           PackageSetting pkgSetting) {
6599        final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath());
6600
6601        // If "/system/lib64/apkname" exists, assume that is the per-package
6602        // native library directory to use; otherwise use "/system/lib/apkname".
6603        final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir);
6604        setBundledAppAbi(pkg, apkRoot, apkName);
6605        // pkgSetting might be null during rescan following uninstall of updates
6606        // to a bundled app, so accommodate that possibility.  The settings in
6607        // that case will be established later from the parsed package.
6608        //
6609        // If the settings aren't null, sync them up with what we've just derived.
6610        // note that apkRoot isn't stored in the package settings.
6611        if (pkgSetting != null) {
6612            pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
6613            pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
6614        }
6615    }
6616
6617    /**
6618     * Deduces the ABI of a bundled app and sets the relevant fields on the
6619     * parsed pkg object.
6620     *
6621     * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem}
6622     *        under which system libraries are installed.
6623     * @param apkName the name of the installed package.
6624     */
6625    private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) {
6626        final File codeFile = new File(pkg.codePath);
6627
6628        final boolean has64BitLibs;
6629        final boolean has32BitLibs;
6630        if (isApkFile(codeFile)) {
6631            // Monolithic install
6632            has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists();
6633            has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists();
6634        } else {
6635            // Cluster install
6636            final File rootDir = new File(codeFile, LIB_DIR_NAME);
6637            if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS)
6638                    && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) {
6639                final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]);
6640                has64BitLibs = (new File(rootDir, isa)).exists();
6641            } else {
6642                has64BitLibs = false;
6643            }
6644            if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS)
6645                    && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) {
6646                final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]);
6647                has32BitLibs = (new File(rootDir, isa)).exists();
6648            } else {
6649                has32BitLibs = false;
6650            }
6651        }
6652
6653        if (has64BitLibs && !has32BitLibs) {
6654            // The package has 64 bit libs, but not 32 bit libs. Its primary
6655            // ABI should be 64 bit. We can safely assume here that the bundled
6656            // native libraries correspond to the most preferred ABI in the list.
6657
6658            pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
6659            pkg.applicationInfo.secondaryCpuAbi = null;
6660        } else if (has32BitLibs && !has64BitLibs) {
6661            // The package has 32 bit libs but not 64 bit libs. Its primary
6662            // ABI should be 32 bit.
6663
6664            pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
6665            pkg.applicationInfo.secondaryCpuAbi = null;
6666        } else if (has32BitLibs && has64BitLibs) {
6667            // The application has both 64 and 32 bit bundled libraries. We check
6668            // here that the app declares multiArch support, and warn if it doesn't.
6669            //
6670            // We will be lenient here and record both ABIs. The primary will be the
6671            // ABI that's higher on the list, i.e, a device that's configured to prefer
6672            // 64 bit apps will see a 64 bit primary ABI,
6673
6674            if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) {
6675                Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch.");
6676            }
6677
6678            if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) {
6679                pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
6680                pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
6681            } else {
6682                pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
6683                pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
6684            }
6685        } else {
6686            pkg.applicationInfo.primaryCpuAbi = null;
6687            pkg.applicationInfo.secondaryCpuAbi = null;
6688        }
6689    }
6690
6691    private void killApplication(String pkgName, int appId, String reason) {
6692        // Request the ActivityManager to kill the process(only for existing packages)
6693        // so that we do not end up in a confused state while the user is still using the older
6694        // version of the application while the new one gets installed.
6695        IActivityManager am = ActivityManagerNative.getDefault();
6696        if (am != null) {
6697            try {
6698                am.killApplicationWithAppId(pkgName, appId, reason);
6699            } catch (RemoteException e) {
6700            }
6701        }
6702    }
6703
6704    void removePackageLI(PackageSetting ps, boolean chatty) {
6705        if (DEBUG_INSTALL) {
6706            if (chatty)
6707                Log.d(TAG, "Removing package " + ps.name);
6708        }
6709
6710        // writer
6711        synchronized (mPackages) {
6712            mPackages.remove(ps.name);
6713            final PackageParser.Package pkg = ps.pkg;
6714            if (pkg != null) {
6715                cleanPackageDataStructuresLILPw(pkg, chatty);
6716            }
6717        }
6718    }
6719
6720    void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) {
6721        if (DEBUG_INSTALL) {
6722            if (chatty)
6723                Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName);
6724        }
6725
6726        // writer
6727        synchronized (mPackages) {
6728            mPackages.remove(pkg.applicationInfo.packageName);
6729            cleanPackageDataStructuresLILPw(pkg, chatty);
6730        }
6731    }
6732
6733    void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) {
6734        int N = pkg.providers.size();
6735        StringBuilder r = null;
6736        int i;
6737        for (i=0; i<N; i++) {
6738            PackageParser.Provider p = pkg.providers.get(i);
6739            mProviders.removeProvider(p);
6740            if (p.info.authority == null) {
6741
6742                /* There was another ContentProvider with this authority when
6743                 * this app was installed so this authority is null,
6744                 * Ignore it as we don't have to unregister the provider.
6745                 */
6746                continue;
6747            }
6748            String names[] = p.info.authority.split(";");
6749            for (int j = 0; j < names.length; j++) {
6750                if (mProvidersByAuthority.get(names[j]) == p) {
6751                    mProvidersByAuthority.remove(names[j]);
6752                    if (DEBUG_REMOVE) {
6753                        if (chatty)
6754                            Log.d(TAG, "Unregistered content provider: " + names[j]
6755                                    + ", className = " + p.info.name + ", isSyncable = "
6756                                    + p.info.isSyncable);
6757                    }
6758                }
6759            }
6760            if (DEBUG_REMOVE && chatty) {
6761                if (r == null) {
6762                    r = new StringBuilder(256);
6763                } else {
6764                    r.append(' ');
6765                }
6766                r.append(p.info.name);
6767            }
6768        }
6769        if (r != null) {
6770            if (DEBUG_REMOVE) Log.d(TAG, "  Providers: " + r);
6771        }
6772
6773        N = pkg.services.size();
6774        r = null;
6775        for (i=0; i<N; i++) {
6776            PackageParser.Service s = pkg.services.get(i);
6777            mServices.removeService(s);
6778            if (chatty) {
6779                if (r == null) {
6780                    r = new StringBuilder(256);
6781                } else {
6782                    r.append(' ');
6783                }
6784                r.append(s.info.name);
6785            }
6786        }
6787        if (r != null) {
6788            if (DEBUG_REMOVE) Log.d(TAG, "  Services: " + r);
6789        }
6790
6791        N = pkg.receivers.size();
6792        r = null;
6793        for (i=0; i<N; i++) {
6794            PackageParser.Activity a = pkg.receivers.get(i);
6795            mReceivers.removeActivity(a, "receiver");
6796            if (DEBUG_REMOVE && chatty) {
6797                if (r == null) {
6798                    r = new StringBuilder(256);
6799                } else {
6800                    r.append(' ');
6801                }
6802                r.append(a.info.name);
6803            }
6804        }
6805        if (r != null) {
6806            if (DEBUG_REMOVE) Log.d(TAG, "  Receivers: " + r);
6807        }
6808
6809        N = pkg.activities.size();
6810        r = null;
6811        for (i=0; i<N; i++) {
6812            PackageParser.Activity a = pkg.activities.get(i);
6813            mActivities.removeActivity(a, "activity");
6814            if (DEBUG_REMOVE && chatty) {
6815                if (r == null) {
6816                    r = new StringBuilder(256);
6817                } else {
6818                    r.append(' ');
6819                }
6820                r.append(a.info.name);
6821            }
6822        }
6823        if (r != null) {
6824            if (DEBUG_REMOVE) Log.d(TAG, "  Activities: " + r);
6825        }
6826
6827        N = pkg.permissions.size();
6828        r = null;
6829        for (i=0; i<N; i++) {
6830            PackageParser.Permission p = pkg.permissions.get(i);
6831            BasePermission bp = mSettings.mPermissions.get(p.info.name);
6832            if (bp == null) {
6833                bp = mSettings.mPermissionTrees.get(p.info.name);
6834            }
6835            if (bp != null && bp.perm == p) {
6836                bp.perm = null;
6837                if (DEBUG_REMOVE && chatty) {
6838                    if (r == null) {
6839                        r = new StringBuilder(256);
6840                    } else {
6841                        r.append(' ');
6842                    }
6843                    r.append(p.info.name);
6844                }
6845            }
6846            if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
6847                ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name);
6848                if (appOpPerms != null) {
6849                    appOpPerms.remove(pkg.packageName);
6850                }
6851            }
6852        }
6853        if (r != null) {
6854            if (DEBUG_REMOVE) Log.d(TAG, "  Permissions: " + r);
6855        }
6856
6857        N = pkg.requestedPermissions.size();
6858        r = null;
6859        for (i=0; i<N; i++) {
6860            String perm = pkg.requestedPermissions.get(i);
6861            BasePermission bp = mSettings.mPermissions.get(perm);
6862            if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
6863                ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm);
6864                if (appOpPerms != null) {
6865                    appOpPerms.remove(pkg.packageName);
6866                    if (appOpPerms.isEmpty()) {
6867                        mAppOpPermissionPackages.remove(perm);
6868                    }
6869                }
6870            }
6871        }
6872        if (r != null) {
6873            if (DEBUG_REMOVE) Log.d(TAG, "  Permissions: " + r);
6874        }
6875
6876        N = pkg.instrumentation.size();
6877        r = null;
6878        for (i=0; i<N; i++) {
6879            PackageParser.Instrumentation a = pkg.instrumentation.get(i);
6880            mInstrumentation.remove(a.getComponentName());
6881            if (DEBUG_REMOVE && chatty) {
6882                if (r == null) {
6883                    r = new StringBuilder(256);
6884                } else {
6885                    r.append(' ');
6886                }
6887                r.append(a.info.name);
6888            }
6889        }
6890        if (r != null) {
6891            if (DEBUG_REMOVE) Log.d(TAG, "  Instrumentation: " + r);
6892        }
6893
6894        r = null;
6895        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
6896            // Only system apps can hold shared libraries.
6897            if (pkg.libraryNames != null) {
6898                for (i=0; i<pkg.libraryNames.size(); i++) {
6899                    String name = pkg.libraryNames.get(i);
6900                    SharedLibraryEntry cur = mSharedLibraries.get(name);
6901                    if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) {
6902                        mSharedLibraries.remove(name);
6903                        if (DEBUG_REMOVE && chatty) {
6904                            if (r == null) {
6905                                r = new StringBuilder(256);
6906                            } else {
6907                                r.append(' ');
6908                            }
6909                            r.append(name);
6910                        }
6911                    }
6912                }
6913            }
6914        }
6915        if (r != null) {
6916            if (DEBUG_REMOVE) Log.d(TAG, "  Libraries: " + r);
6917        }
6918    }
6919
6920    private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) {
6921        for (int i=pkgInfo.permissions.size()-1; i>=0; i--) {
6922            if (pkgInfo.permissions.get(i).info.name.equals(perm)) {
6923                return true;
6924            }
6925        }
6926        return false;
6927    }
6928
6929    static final int UPDATE_PERMISSIONS_ALL = 1<<0;
6930    static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1;
6931    static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2;
6932
6933    private void updatePermissionsLPw(String changingPkg,
6934            PackageParser.Package pkgInfo, int flags) {
6935        // Make sure there are no dangling permission trees.
6936        Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator();
6937        while (it.hasNext()) {
6938            final BasePermission bp = it.next();
6939            if (bp.packageSetting == null) {
6940                // We may not yet have parsed the package, so just see if
6941                // we still know about its settings.
6942                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
6943            }
6944            if (bp.packageSetting == null) {
6945                Slog.w(TAG, "Removing dangling permission tree: " + bp.name
6946                        + " from package " + bp.sourcePackage);
6947                it.remove();
6948            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
6949                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
6950                    Slog.i(TAG, "Removing old permission tree: " + bp.name
6951                            + " from package " + bp.sourcePackage);
6952                    flags |= UPDATE_PERMISSIONS_ALL;
6953                    it.remove();
6954                }
6955            }
6956        }
6957
6958        // Make sure all dynamic permissions have been assigned to a package,
6959        // and make sure there are no dangling permissions.
6960        it = mSettings.mPermissions.values().iterator();
6961        while (it.hasNext()) {
6962            final BasePermission bp = it.next();
6963            if (bp.type == BasePermission.TYPE_DYNAMIC) {
6964                if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name="
6965                        + bp.name + " pkg=" + bp.sourcePackage
6966                        + " info=" + bp.pendingInfo);
6967                if (bp.packageSetting == null && bp.pendingInfo != null) {
6968                    final BasePermission tree = findPermissionTreeLP(bp.name);
6969                    if (tree != null && tree.perm != null) {
6970                        bp.packageSetting = tree.packageSetting;
6971                        bp.perm = new PackageParser.Permission(tree.perm.owner,
6972                                new PermissionInfo(bp.pendingInfo));
6973                        bp.perm.info.packageName = tree.perm.info.packageName;
6974                        bp.perm.info.name = bp.name;
6975                        bp.uid = tree.uid;
6976                    }
6977                }
6978            }
6979            if (bp.packageSetting == null) {
6980                // We may not yet have parsed the package, so just see if
6981                // we still know about its settings.
6982                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
6983            }
6984            if (bp.packageSetting == null) {
6985                Slog.w(TAG, "Removing dangling permission: " + bp.name
6986                        + " from package " + bp.sourcePackage);
6987                it.remove();
6988            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
6989                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
6990                    Slog.i(TAG, "Removing old permission: " + bp.name
6991                            + " from package " + bp.sourcePackage);
6992                    flags |= UPDATE_PERMISSIONS_ALL;
6993                    it.remove();
6994                }
6995            }
6996        }
6997
6998        // Now update the permissions for all packages, in particular
6999        // replace the granted permissions of the system packages.
7000        if ((flags&UPDATE_PERMISSIONS_ALL) != 0) {
7001            for (PackageParser.Package pkg : mPackages.values()) {
7002                if (pkg != pkgInfo) {
7003                    grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0,
7004                            changingPkg);
7005                }
7006            }
7007        }
7008
7009        if (pkgInfo != null) {
7010            grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg);
7011        }
7012    }
7013
7014    private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace,
7015            String packageOfInterest) {
7016        final PackageSetting ps = (PackageSetting) pkg.mExtras;
7017        if (ps == null) {
7018            return;
7019        }
7020        final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
7021        HashSet<String> origPermissions = gp.grantedPermissions;
7022        boolean changedPermission = false;
7023
7024        if (replace) {
7025            ps.permissionsFixed = false;
7026            if (gp == ps) {
7027                origPermissions = new HashSet<String>(gp.grantedPermissions);
7028                gp.grantedPermissions.clear();
7029                gp.gids = mGlobalGids;
7030            }
7031        }
7032
7033        if (gp.gids == null) {
7034            gp.gids = mGlobalGids;
7035        }
7036
7037        final int N = pkg.requestedPermissions.size();
7038        for (int i=0; i<N; i++) {
7039            final String name = pkg.requestedPermissions.get(i);
7040            final boolean required = pkg.requestedPermissionsRequired.get(i);
7041            final BasePermission bp = mSettings.mPermissions.get(name);
7042            if (DEBUG_INSTALL) {
7043                if (gp != ps) {
7044                    Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp);
7045                }
7046            }
7047
7048            if (bp == null || bp.packageSetting == null) {
7049                if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) {
7050                    Slog.w(TAG, "Unknown permission " + name
7051                            + " in package " + pkg.packageName);
7052                }
7053                continue;
7054            }
7055
7056            final String perm = bp.name;
7057            boolean allowed;
7058            boolean allowedSig = false;
7059            if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
7060                // Keep track of app op permissions.
7061                ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name);
7062                if (pkgs == null) {
7063                    pkgs = new ArraySet<>();
7064                    mAppOpPermissionPackages.put(bp.name, pkgs);
7065                }
7066                pkgs.add(pkg.packageName);
7067            }
7068            final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE;
7069            if (level == PermissionInfo.PROTECTION_NORMAL
7070                    || level == PermissionInfo.PROTECTION_DANGEROUS) {
7071                // We grant a normal or dangerous permission if any of the following
7072                // are true:
7073                // 1) The permission is required
7074                // 2) The permission is optional, but was granted in the past
7075                // 3) The permission is optional, but was requested by an
7076                //    app in /system (not /data)
7077                //
7078                // Otherwise, reject the permission.
7079                allowed = (required || origPermissions.contains(perm)
7080                        || (isSystemApp(ps) && !isUpdatedSystemApp(ps)));
7081            } else if (bp.packageSetting == null) {
7082                // This permission is invalid; skip it.
7083                allowed = false;
7084            } else if (level == PermissionInfo.PROTECTION_SIGNATURE) {
7085                allowed = grantSignaturePermission(perm, pkg, bp, origPermissions);
7086                if (allowed) {
7087                    allowedSig = true;
7088                }
7089            } else {
7090                allowed = false;
7091            }
7092            if (DEBUG_INSTALL) {
7093                if (gp != ps) {
7094                    Log.i(TAG, "Package " + pkg.packageName + " granting " + perm);
7095                }
7096            }
7097            if (allowed) {
7098                if (!isSystemApp(ps) && ps.permissionsFixed) {
7099                    // If this is an existing, non-system package, then
7100                    // we can't add any new permissions to it.
7101                    if (!allowedSig && !gp.grantedPermissions.contains(perm)) {
7102                        // Except...  if this is a permission that was added
7103                        // to the platform (note: need to only do this when
7104                        // updating the platform).
7105                        allowed = isNewPlatformPermissionForPackage(perm, pkg);
7106                    }
7107                }
7108                if (allowed) {
7109                    if (!gp.grantedPermissions.contains(perm)) {
7110                        changedPermission = true;
7111                        gp.grantedPermissions.add(perm);
7112                        gp.gids = appendInts(gp.gids, bp.gids);
7113                    } else if (!ps.haveGids) {
7114                        gp.gids = appendInts(gp.gids, bp.gids);
7115                    }
7116                } else {
7117                    if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) {
7118                        Slog.w(TAG, "Not granting permission " + perm
7119                                + " to package " + pkg.packageName
7120                                + " because it was previously installed without");
7121                    }
7122                }
7123            } else {
7124                if (gp.grantedPermissions.remove(perm)) {
7125                    changedPermission = true;
7126                    gp.gids = removeInts(gp.gids, bp.gids);
7127                    Slog.i(TAG, "Un-granting permission " + perm
7128                            + " from package " + pkg.packageName
7129                            + " (protectionLevel=" + bp.protectionLevel
7130                            + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
7131                            + ")");
7132                } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) {
7133                    // Don't print warning for app op permissions, since it is fine for them
7134                    // not to be granted, there is a UI for the user to decide.
7135                    if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) {
7136                        Slog.w(TAG, "Not granting permission " + perm
7137                                + " to package " + pkg.packageName
7138                                + " (protectionLevel=" + bp.protectionLevel
7139                                + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
7140                                + ")");
7141                    }
7142                }
7143            }
7144        }
7145
7146        if ((changedPermission || replace) && !ps.permissionsFixed &&
7147                !isSystemApp(ps) || isUpdatedSystemApp(ps)){
7148            // This is the first that we have heard about this package, so the
7149            // permissions we have now selected are fixed until explicitly
7150            // changed.
7151            ps.permissionsFixed = true;
7152        }
7153        ps.haveGids = true;
7154    }
7155
7156    private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) {
7157        boolean allowed = false;
7158        final int NP = PackageParser.NEW_PERMISSIONS.length;
7159        for (int ip=0; ip<NP; ip++) {
7160            final PackageParser.NewPermissionInfo npi
7161                    = PackageParser.NEW_PERMISSIONS[ip];
7162            if (npi.name.equals(perm)
7163                    && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) {
7164                allowed = true;
7165                Log.i(TAG, "Auto-granting " + perm + " to old pkg "
7166                        + pkg.packageName);
7167                break;
7168            }
7169        }
7170        return allowed;
7171    }
7172
7173    private boolean grantSignaturePermission(String perm, PackageParser.Package pkg,
7174                                          BasePermission bp, HashSet<String> origPermissions) {
7175        boolean allowed;
7176        allowed = (compareSignatures(
7177                bp.packageSetting.signatures.mSignatures, pkg.mSignatures)
7178                        == PackageManager.SIGNATURE_MATCH)
7179                || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures)
7180                        == PackageManager.SIGNATURE_MATCH);
7181        if (!allowed && (bp.protectionLevel
7182                & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) {
7183            if (isSystemApp(pkg)) {
7184                // For updated system applications, a system permission
7185                // is granted only if it had been defined by the original application.
7186                if (isUpdatedSystemApp(pkg)) {
7187                    final PackageSetting sysPs = mSettings
7188                            .getDisabledSystemPkgLPr(pkg.packageName);
7189                    final GrantedPermissions origGp = sysPs.sharedUser != null
7190                            ? sysPs.sharedUser : sysPs;
7191
7192                    if (origGp.grantedPermissions.contains(perm)) {
7193                        // If the original was granted this permission, we take
7194                        // that grant decision as read and propagate it to the
7195                        // update.
7196                        allowed = true;
7197                    } else {
7198                        // The system apk may have been updated with an older
7199                        // version of the one on the data partition, but which
7200                        // granted a new system permission that it didn't have
7201                        // before.  In this case we do want to allow the app to
7202                        // now get the new permission if the ancestral apk is
7203                        // privileged to get it.
7204                        if (sysPs.pkg != null && sysPs.isPrivileged()) {
7205                            for (int j=0;
7206                                    j<sysPs.pkg.requestedPermissions.size(); j++) {
7207                                if (perm.equals(
7208                                        sysPs.pkg.requestedPermissions.get(j))) {
7209                                    allowed = true;
7210                                    break;
7211                                }
7212                            }
7213                        }
7214                    }
7215                } else {
7216                    allowed = isPrivilegedApp(pkg);
7217                }
7218            }
7219        }
7220        if (!allowed && (bp.protectionLevel
7221                & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) {
7222            // For development permissions, a development permission
7223            // is granted only if it was already granted.
7224            allowed = origPermissions.contains(perm);
7225        }
7226        return allowed;
7227    }
7228
7229    final class ActivityIntentResolver
7230            extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> {
7231        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
7232                boolean defaultOnly, int userId) {
7233            if (!sUserManager.exists(userId)) return null;
7234            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
7235            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
7236        }
7237
7238        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
7239                int userId) {
7240            if (!sUserManager.exists(userId)) return null;
7241            mFlags = flags;
7242            return super.queryIntent(intent, resolvedType,
7243                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
7244        }
7245
7246        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
7247                int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) {
7248            if (!sUserManager.exists(userId)) return null;
7249            if (packageActivities == null) {
7250                return null;
7251            }
7252            mFlags = flags;
7253            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
7254            final int N = packageActivities.size();
7255            ArrayList<PackageParser.ActivityIntentInfo[]> listCut =
7256                new ArrayList<PackageParser.ActivityIntentInfo[]>(N);
7257
7258            ArrayList<PackageParser.ActivityIntentInfo> intentFilters;
7259            for (int i = 0; i < N; ++i) {
7260                intentFilters = packageActivities.get(i).intents;
7261                if (intentFilters != null && intentFilters.size() > 0) {
7262                    PackageParser.ActivityIntentInfo[] array =
7263                            new PackageParser.ActivityIntentInfo[intentFilters.size()];
7264                    intentFilters.toArray(array);
7265                    listCut.add(array);
7266                }
7267            }
7268            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
7269        }
7270
7271        public final void addActivity(PackageParser.Activity a, String type) {
7272            final boolean systemApp = isSystemApp(a.info.applicationInfo);
7273            mActivities.put(a.getComponentName(), a);
7274            if (DEBUG_SHOW_INFO)
7275                Log.v(
7276                TAG, "  " + type + " " +
7277                (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":");
7278            if (DEBUG_SHOW_INFO)
7279                Log.v(TAG, "    Class=" + a.info.name);
7280            final int NI = a.intents.size();
7281            for (int j=0; j<NI; j++) {
7282                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
7283                if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) {
7284                    intent.setPriority(0);
7285                    Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity "
7286                            + a.className + " with priority > 0, forcing to 0");
7287                }
7288                if (DEBUG_SHOW_INFO) {
7289                    Log.v(TAG, "    IntentFilter:");
7290                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7291                }
7292                if (!intent.debugCheck()) {
7293                    Log.w(TAG, "==> For Activity " + a.info.name);
7294                }
7295                addFilter(intent);
7296            }
7297        }
7298
7299        public final void removeActivity(PackageParser.Activity a, String type) {
7300            mActivities.remove(a.getComponentName());
7301            if (DEBUG_SHOW_INFO) {
7302                Log.v(TAG, "  " + type + " "
7303                        + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel
7304                                : a.info.name) + ":");
7305                Log.v(TAG, "    Class=" + a.info.name);
7306            }
7307            final int NI = a.intents.size();
7308            for (int j=0; j<NI; j++) {
7309                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
7310                if (DEBUG_SHOW_INFO) {
7311                    Log.v(TAG, "    IntentFilter:");
7312                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7313                }
7314                removeFilter(intent);
7315            }
7316        }
7317
7318        @Override
7319        protected boolean allowFilterResult(
7320                PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) {
7321            ActivityInfo filterAi = filter.activity.info;
7322            for (int i=dest.size()-1; i>=0; i--) {
7323                ActivityInfo destAi = dest.get(i).activityInfo;
7324                if (destAi.name == filterAi.name
7325                        && destAi.packageName == filterAi.packageName) {
7326                    return false;
7327                }
7328            }
7329            return true;
7330        }
7331
7332        @Override
7333        protected ActivityIntentInfo[] newArray(int size) {
7334            return new ActivityIntentInfo[size];
7335        }
7336
7337        @Override
7338        protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) {
7339            if (!sUserManager.exists(userId)) return true;
7340            PackageParser.Package p = filter.activity.owner;
7341            if (p != null) {
7342                PackageSetting ps = (PackageSetting)p.mExtras;
7343                if (ps != null) {
7344                    // System apps are never considered stopped for purposes of
7345                    // filtering, because there may be no way for the user to
7346                    // actually re-launch them.
7347                    return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0
7348                            && ps.getStopped(userId);
7349                }
7350            }
7351            return false;
7352        }
7353
7354        @Override
7355        protected boolean isPackageForFilter(String packageName,
7356                PackageParser.ActivityIntentInfo info) {
7357            return packageName.equals(info.activity.owner.packageName);
7358        }
7359
7360        @Override
7361        protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info,
7362                int match, int userId) {
7363            if (!sUserManager.exists(userId)) return null;
7364            if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) {
7365                return null;
7366            }
7367            final PackageParser.Activity activity = info.activity;
7368            if (mSafeMode && (activity.info.applicationInfo.flags
7369                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
7370                return null;
7371            }
7372            PackageSetting ps = (PackageSetting) activity.owner.mExtras;
7373            if (ps == null) {
7374                return null;
7375            }
7376            ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags,
7377                    ps.readUserState(userId), userId);
7378            if (ai == null) {
7379                return null;
7380            }
7381            final ResolveInfo res = new ResolveInfo();
7382            res.activityInfo = ai;
7383            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
7384                res.filter = info;
7385            }
7386            res.priority = info.getPriority();
7387            res.preferredOrder = activity.owner.mPreferredOrder;
7388            //System.out.println("Result: " + res.activityInfo.className +
7389            //                   " = " + res.priority);
7390            res.match = match;
7391            res.isDefault = info.hasDefault;
7392            res.labelRes = info.labelRes;
7393            res.nonLocalizedLabel = info.nonLocalizedLabel;
7394            if (userNeedsBadging(userId)) {
7395                res.noResourceId = true;
7396            } else {
7397                res.icon = info.icon;
7398            }
7399            res.system = isSystemApp(res.activityInfo.applicationInfo);
7400            return res;
7401        }
7402
7403        @Override
7404        protected void sortResults(List<ResolveInfo> results) {
7405            Collections.sort(results, mResolvePrioritySorter);
7406        }
7407
7408        @Override
7409        protected void dumpFilter(PrintWriter out, String prefix,
7410                PackageParser.ActivityIntentInfo filter) {
7411            out.print(prefix); out.print(
7412                    Integer.toHexString(System.identityHashCode(filter.activity)));
7413                    out.print(' ');
7414                    filter.activity.printComponentShortName(out);
7415                    out.print(" filter ");
7416                    out.println(Integer.toHexString(System.identityHashCode(filter)));
7417        }
7418
7419//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
7420//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
7421//            final List<ResolveInfo> retList = Lists.newArrayList();
7422//            while (i.hasNext()) {
7423//                final ResolveInfo resolveInfo = i.next();
7424//                if (isEnabledLP(resolveInfo.activityInfo)) {
7425//                    retList.add(resolveInfo);
7426//                }
7427//            }
7428//            return retList;
7429//        }
7430
7431        // Keys are String (activity class name), values are Activity.
7432        private final HashMap<ComponentName, PackageParser.Activity> mActivities
7433                = new HashMap<ComponentName, PackageParser.Activity>();
7434        private int mFlags;
7435    }
7436
7437    private final class ServiceIntentResolver
7438            extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> {
7439        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
7440                boolean defaultOnly, int userId) {
7441            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
7442            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
7443        }
7444
7445        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
7446                int userId) {
7447            if (!sUserManager.exists(userId)) return null;
7448            mFlags = flags;
7449            return super.queryIntent(intent, resolvedType,
7450                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
7451        }
7452
7453        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
7454                int flags, ArrayList<PackageParser.Service> packageServices, int userId) {
7455            if (!sUserManager.exists(userId)) return null;
7456            if (packageServices == null) {
7457                return null;
7458            }
7459            mFlags = flags;
7460            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
7461            final int N = packageServices.size();
7462            ArrayList<PackageParser.ServiceIntentInfo[]> listCut =
7463                new ArrayList<PackageParser.ServiceIntentInfo[]>(N);
7464
7465            ArrayList<PackageParser.ServiceIntentInfo> intentFilters;
7466            for (int i = 0; i < N; ++i) {
7467                intentFilters = packageServices.get(i).intents;
7468                if (intentFilters != null && intentFilters.size() > 0) {
7469                    PackageParser.ServiceIntentInfo[] array =
7470                            new PackageParser.ServiceIntentInfo[intentFilters.size()];
7471                    intentFilters.toArray(array);
7472                    listCut.add(array);
7473                }
7474            }
7475            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
7476        }
7477
7478        public final void addService(PackageParser.Service s) {
7479            mServices.put(s.getComponentName(), s);
7480            if (DEBUG_SHOW_INFO) {
7481                Log.v(TAG, "  "
7482                        + (s.info.nonLocalizedLabel != null
7483                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
7484                Log.v(TAG, "    Class=" + s.info.name);
7485            }
7486            final int NI = s.intents.size();
7487            int j;
7488            for (j=0; j<NI; j++) {
7489                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
7490                if (DEBUG_SHOW_INFO) {
7491                    Log.v(TAG, "    IntentFilter:");
7492                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7493                }
7494                if (!intent.debugCheck()) {
7495                    Log.w(TAG, "==> For Service " + s.info.name);
7496                }
7497                addFilter(intent);
7498            }
7499        }
7500
7501        public final void removeService(PackageParser.Service s) {
7502            mServices.remove(s.getComponentName());
7503            if (DEBUG_SHOW_INFO) {
7504                Log.v(TAG, "  " + (s.info.nonLocalizedLabel != null
7505                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
7506                Log.v(TAG, "    Class=" + s.info.name);
7507            }
7508            final int NI = s.intents.size();
7509            int j;
7510            for (j=0; j<NI; j++) {
7511                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
7512                if (DEBUG_SHOW_INFO) {
7513                    Log.v(TAG, "    IntentFilter:");
7514                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7515                }
7516                removeFilter(intent);
7517            }
7518        }
7519
7520        @Override
7521        protected boolean allowFilterResult(
7522                PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) {
7523            ServiceInfo filterSi = filter.service.info;
7524            for (int i=dest.size()-1; i>=0; i--) {
7525                ServiceInfo destAi = dest.get(i).serviceInfo;
7526                if (destAi.name == filterSi.name
7527                        && destAi.packageName == filterSi.packageName) {
7528                    return false;
7529                }
7530            }
7531            return true;
7532        }
7533
7534        @Override
7535        protected PackageParser.ServiceIntentInfo[] newArray(int size) {
7536            return new PackageParser.ServiceIntentInfo[size];
7537        }
7538
7539        @Override
7540        protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) {
7541            if (!sUserManager.exists(userId)) return true;
7542            PackageParser.Package p = filter.service.owner;
7543            if (p != null) {
7544                PackageSetting ps = (PackageSetting)p.mExtras;
7545                if (ps != null) {
7546                    // System apps are never considered stopped for purposes of
7547                    // filtering, because there may be no way for the user to
7548                    // actually re-launch them.
7549                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
7550                            && ps.getStopped(userId);
7551                }
7552            }
7553            return false;
7554        }
7555
7556        @Override
7557        protected boolean isPackageForFilter(String packageName,
7558                PackageParser.ServiceIntentInfo info) {
7559            return packageName.equals(info.service.owner.packageName);
7560        }
7561
7562        @Override
7563        protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter,
7564                int match, int userId) {
7565            if (!sUserManager.exists(userId)) return null;
7566            final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter;
7567            if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) {
7568                return null;
7569            }
7570            final PackageParser.Service service = info.service;
7571            if (mSafeMode && (service.info.applicationInfo.flags
7572                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
7573                return null;
7574            }
7575            PackageSetting ps = (PackageSetting) service.owner.mExtras;
7576            if (ps == null) {
7577                return null;
7578            }
7579            ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags,
7580                    ps.readUserState(userId), userId);
7581            if (si == null) {
7582                return null;
7583            }
7584            final ResolveInfo res = new ResolveInfo();
7585            res.serviceInfo = si;
7586            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
7587                res.filter = filter;
7588            }
7589            res.priority = info.getPriority();
7590            res.preferredOrder = service.owner.mPreferredOrder;
7591            //System.out.println("Result: " + res.activityInfo.className +
7592            //                   " = " + res.priority);
7593            res.match = match;
7594            res.isDefault = info.hasDefault;
7595            res.labelRes = info.labelRes;
7596            res.nonLocalizedLabel = info.nonLocalizedLabel;
7597            res.icon = info.icon;
7598            res.system = isSystemApp(res.serviceInfo.applicationInfo);
7599            return res;
7600        }
7601
7602        @Override
7603        protected void sortResults(List<ResolveInfo> results) {
7604            Collections.sort(results, mResolvePrioritySorter);
7605        }
7606
7607        @Override
7608        protected void dumpFilter(PrintWriter out, String prefix,
7609                PackageParser.ServiceIntentInfo filter) {
7610            out.print(prefix); out.print(
7611                    Integer.toHexString(System.identityHashCode(filter.service)));
7612                    out.print(' ');
7613                    filter.service.printComponentShortName(out);
7614                    out.print(" filter ");
7615                    out.println(Integer.toHexString(System.identityHashCode(filter)));
7616        }
7617
7618//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
7619//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
7620//            final List<ResolveInfo> retList = Lists.newArrayList();
7621//            while (i.hasNext()) {
7622//                final ResolveInfo resolveInfo = (ResolveInfo) i;
7623//                if (isEnabledLP(resolveInfo.serviceInfo)) {
7624//                    retList.add(resolveInfo);
7625//                }
7626//            }
7627//            return retList;
7628//        }
7629
7630        // Keys are String (activity class name), values are Activity.
7631        private final HashMap<ComponentName, PackageParser.Service> mServices
7632                = new HashMap<ComponentName, PackageParser.Service>();
7633        private int mFlags;
7634    };
7635
7636    private final class ProviderIntentResolver
7637            extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> {
7638        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
7639                boolean defaultOnly, int userId) {
7640            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
7641            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
7642        }
7643
7644        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
7645                int userId) {
7646            if (!sUserManager.exists(userId))
7647                return null;
7648            mFlags = flags;
7649            return super.queryIntent(intent, resolvedType,
7650                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
7651        }
7652
7653        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
7654                int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) {
7655            if (!sUserManager.exists(userId))
7656                return null;
7657            if (packageProviders == null) {
7658                return null;
7659            }
7660            mFlags = flags;
7661            final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0;
7662            final int N = packageProviders.size();
7663            ArrayList<PackageParser.ProviderIntentInfo[]> listCut =
7664                    new ArrayList<PackageParser.ProviderIntentInfo[]>(N);
7665
7666            ArrayList<PackageParser.ProviderIntentInfo> intentFilters;
7667            for (int i = 0; i < N; ++i) {
7668                intentFilters = packageProviders.get(i).intents;
7669                if (intentFilters != null && intentFilters.size() > 0) {
7670                    PackageParser.ProviderIntentInfo[] array =
7671                            new PackageParser.ProviderIntentInfo[intentFilters.size()];
7672                    intentFilters.toArray(array);
7673                    listCut.add(array);
7674                }
7675            }
7676            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
7677        }
7678
7679        public final void addProvider(PackageParser.Provider p) {
7680            if (mProviders.containsKey(p.getComponentName())) {
7681                Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring");
7682                return;
7683            }
7684
7685            mProviders.put(p.getComponentName(), p);
7686            if (DEBUG_SHOW_INFO) {
7687                Log.v(TAG, "  "
7688                        + (p.info.nonLocalizedLabel != null
7689                                ? p.info.nonLocalizedLabel : p.info.name) + ":");
7690                Log.v(TAG, "    Class=" + p.info.name);
7691            }
7692            final int NI = p.intents.size();
7693            int j;
7694            for (j = 0; j < NI; j++) {
7695                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
7696                if (DEBUG_SHOW_INFO) {
7697                    Log.v(TAG, "    IntentFilter:");
7698                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7699                }
7700                if (!intent.debugCheck()) {
7701                    Log.w(TAG, "==> For Provider " + p.info.name);
7702                }
7703                addFilter(intent);
7704            }
7705        }
7706
7707        public final void removeProvider(PackageParser.Provider p) {
7708            mProviders.remove(p.getComponentName());
7709            if (DEBUG_SHOW_INFO) {
7710                Log.v(TAG, "  " + (p.info.nonLocalizedLabel != null
7711                        ? p.info.nonLocalizedLabel : p.info.name) + ":");
7712                Log.v(TAG, "    Class=" + p.info.name);
7713            }
7714            final int NI = p.intents.size();
7715            int j;
7716            for (j = 0; j < NI; j++) {
7717                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
7718                if (DEBUG_SHOW_INFO) {
7719                    Log.v(TAG, "    IntentFilter:");
7720                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7721                }
7722                removeFilter(intent);
7723            }
7724        }
7725
7726        @Override
7727        protected boolean allowFilterResult(
7728                PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) {
7729            ProviderInfo filterPi = filter.provider.info;
7730            for (int i = dest.size() - 1; i >= 0; i--) {
7731                ProviderInfo destPi = dest.get(i).providerInfo;
7732                if (destPi.name == filterPi.name
7733                        && destPi.packageName == filterPi.packageName) {
7734                    return false;
7735                }
7736            }
7737            return true;
7738        }
7739
7740        @Override
7741        protected PackageParser.ProviderIntentInfo[] newArray(int size) {
7742            return new PackageParser.ProviderIntentInfo[size];
7743        }
7744
7745        @Override
7746        protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) {
7747            if (!sUserManager.exists(userId))
7748                return true;
7749            PackageParser.Package p = filter.provider.owner;
7750            if (p != null) {
7751                PackageSetting ps = (PackageSetting) p.mExtras;
7752                if (ps != null) {
7753                    // System apps are never considered stopped for purposes of
7754                    // filtering, because there may be no way for the user to
7755                    // actually re-launch them.
7756                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
7757                            && ps.getStopped(userId);
7758                }
7759            }
7760            return false;
7761        }
7762
7763        @Override
7764        protected boolean isPackageForFilter(String packageName,
7765                PackageParser.ProviderIntentInfo info) {
7766            return packageName.equals(info.provider.owner.packageName);
7767        }
7768
7769        @Override
7770        protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter,
7771                int match, int userId) {
7772            if (!sUserManager.exists(userId))
7773                return null;
7774            final PackageParser.ProviderIntentInfo info = filter;
7775            if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) {
7776                return null;
7777            }
7778            final PackageParser.Provider provider = info.provider;
7779            if (mSafeMode && (provider.info.applicationInfo.flags
7780                    & ApplicationInfo.FLAG_SYSTEM) == 0) {
7781                return null;
7782            }
7783            PackageSetting ps = (PackageSetting) provider.owner.mExtras;
7784            if (ps == null) {
7785                return null;
7786            }
7787            ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags,
7788                    ps.readUserState(userId), userId);
7789            if (pi == null) {
7790                return null;
7791            }
7792            final ResolveInfo res = new ResolveInfo();
7793            res.providerInfo = pi;
7794            if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) {
7795                res.filter = filter;
7796            }
7797            res.priority = info.getPriority();
7798            res.preferredOrder = provider.owner.mPreferredOrder;
7799            res.match = match;
7800            res.isDefault = info.hasDefault;
7801            res.labelRes = info.labelRes;
7802            res.nonLocalizedLabel = info.nonLocalizedLabel;
7803            res.icon = info.icon;
7804            res.system = isSystemApp(res.providerInfo.applicationInfo);
7805            return res;
7806        }
7807
7808        @Override
7809        protected void sortResults(List<ResolveInfo> results) {
7810            Collections.sort(results, mResolvePrioritySorter);
7811        }
7812
7813        @Override
7814        protected void dumpFilter(PrintWriter out, String prefix,
7815                PackageParser.ProviderIntentInfo filter) {
7816            out.print(prefix);
7817            out.print(
7818                    Integer.toHexString(System.identityHashCode(filter.provider)));
7819            out.print(' ');
7820            filter.provider.printComponentShortName(out);
7821            out.print(" filter ");
7822            out.println(Integer.toHexString(System.identityHashCode(filter)));
7823        }
7824
7825        private final HashMap<ComponentName, PackageParser.Provider> mProviders
7826                = new HashMap<ComponentName, PackageParser.Provider>();
7827        private int mFlags;
7828    };
7829
7830    private static final Comparator<ResolveInfo> mResolvePrioritySorter =
7831            new Comparator<ResolveInfo>() {
7832        public int compare(ResolveInfo r1, ResolveInfo r2) {
7833            int v1 = r1.priority;
7834            int v2 = r2.priority;
7835            //System.out.println("Comparing: q1=" + q1 + " q2=" + q2);
7836            if (v1 != v2) {
7837                return (v1 > v2) ? -1 : 1;
7838            }
7839            v1 = r1.preferredOrder;
7840            v2 = r2.preferredOrder;
7841            if (v1 != v2) {
7842                return (v1 > v2) ? -1 : 1;
7843            }
7844            if (r1.isDefault != r2.isDefault) {
7845                return r1.isDefault ? -1 : 1;
7846            }
7847            v1 = r1.match;
7848            v2 = r2.match;
7849            //System.out.println("Comparing: m1=" + m1 + " m2=" + m2);
7850            if (v1 != v2) {
7851                return (v1 > v2) ? -1 : 1;
7852            }
7853            if (r1.system != r2.system) {
7854                return r1.system ? -1 : 1;
7855            }
7856            return 0;
7857        }
7858    };
7859
7860    private static final Comparator<ProviderInfo> mProviderInitOrderSorter =
7861            new Comparator<ProviderInfo>() {
7862        public int compare(ProviderInfo p1, ProviderInfo p2) {
7863            final int v1 = p1.initOrder;
7864            final int v2 = p2.initOrder;
7865            return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0);
7866        }
7867    };
7868
7869    static final void sendPackageBroadcast(String action, String pkg,
7870            Bundle extras, String targetPkg, IIntentReceiver finishedReceiver,
7871            int[] userIds) {
7872        IActivityManager am = ActivityManagerNative.getDefault();
7873        if (am != null) {
7874            try {
7875                if (userIds == null) {
7876                    userIds = am.getRunningUserIds();
7877                }
7878                for (int id : userIds) {
7879                    final Intent intent = new Intent(action,
7880                            pkg != null ? Uri.fromParts("package", pkg, null) : null);
7881                    if (extras != null) {
7882                        intent.putExtras(extras);
7883                    }
7884                    if (targetPkg != null) {
7885                        intent.setPackage(targetPkg);
7886                    }
7887                    // Modify the UID when posting to other users
7888                    int uid = intent.getIntExtra(Intent.EXTRA_UID, -1);
7889                    if (uid > 0 && UserHandle.getUserId(uid) != id) {
7890                        uid = UserHandle.getUid(id, UserHandle.getAppId(uid));
7891                        intent.putExtra(Intent.EXTRA_UID, uid);
7892                    }
7893                    intent.putExtra(Intent.EXTRA_USER_HANDLE, id);
7894                    intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
7895                    if (DEBUG_BROADCASTS) {
7896                        RuntimeException here = new RuntimeException("here");
7897                        here.fillInStackTrace();
7898                        Slog.d(TAG, "Sending to user " + id + ": "
7899                                + intent.toShortString(false, true, false, false)
7900                                + " " + intent.getExtras(), here);
7901                    }
7902                    am.broadcastIntent(null, intent, null, finishedReceiver,
7903                            0, null, null, null, android.app.AppOpsManager.OP_NONE,
7904                            finishedReceiver != null, false, id);
7905                }
7906            } catch (RemoteException ex) {
7907            }
7908        }
7909    }
7910
7911    /**
7912     * Check if the external storage media is available. This is true if there
7913     * is a mounted external storage medium or if the external storage is
7914     * emulated.
7915     */
7916    private boolean isExternalMediaAvailable() {
7917        return mMediaMounted || Environment.isExternalStorageEmulated();
7918    }
7919
7920    @Override
7921    public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) {
7922        // writer
7923        synchronized (mPackages) {
7924            if (!isExternalMediaAvailable()) {
7925                // If the external storage is no longer mounted at this point,
7926                // the caller may not have been able to delete all of this
7927                // packages files and can not delete any more.  Bail.
7928                return null;
7929            }
7930            final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned;
7931            if (lastPackage != null) {
7932                pkgs.remove(lastPackage);
7933            }
7934            if (pkgs.size() > 0) {
7935                return pkgs.get(0);
7936            }
7937        }
7938        return null;
7939    }
7940
7941    void schedulePackageCleaning(String packageName, int userId, boolean andCode) {
7942        final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE,
7943                userId, andCode ? 1 : 0, packageName);
7944        if (mSystemReady) {
7945            msg.sendToTarget();
7946        } else {
7947            if (mPostSystemReadyMessages == null) {
7948                mPostSystemReadyMessages = new ArrayList<>();
7949            }
7950            mPostSystemReadyMessages.add(msg);
7951        }
7952    }
7953
7954    void startCleaningPackages() {
7955        // reader
7956        synchronized (mPackages) {
7957            if (!isExternalMediaAvailable()) {
7958                return;
7959            }
7960            if (mSettings.mPackagesToBeCleaned.isEmpty()) {
7961                return;
7962            }
7963        }
7964        Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE);
7965        intent.setComponent(DEFAULT_CONTAINER_COMPONENT);
7966        IActivityManager am = ActivityManagerNative.getDefault();
7967        if (am != null) {
7968            try {
7969                am.startService(null, intent, null, UserHandle.USER_OWNER);
7970            } catch (RemoteException e) {
7971            }
7972        }
7973    }
7974
7975    @Override
7976    public void installPackage(String originPath, IPackageInstallObserver2 observer,
7977            int installFlags, String installerPackageName, VerificationParams verificationParams,
7978            String packageAbiOverride) {
7979        installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams,
7980                packageAbiOverride, UserHandle.getCallingUserId());
7981    }
7982
7983    @Override
7984    public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer,
7985            int installFlags, String installerPackageName, VerificationParams verificationParams,
7986            String packageAbiOverride, int userId) {
7987        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null);
7988
7989        final int callingUid = Binder.getCallingUid();
7990        enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser");
7991
7992        if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) {
7993            try {
7994                if (observer != null) {
7995                    observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null);
7996                }
7997            } catch (RemoteException re) {
7998            }
7999            return;
8000        }
8001
8002        if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) {
8003            installFlags |= PackageManager.INSTALL_FROM_ADB;
8004
8005        } else {
8006            // Caller holds INSTALL_PACKAGES permission, so we're less strict
8007            // about installerPackageName.
8008
8009            installFlags &= ~PackageManager.INSTALL_FROM_ADB;
8010            installFlags &= ~PackageManager.INSTALL_ALL_USERS;
8011        }
8012
8013        UserHandle user;
8014        if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) {
8015            user = UserHandle.ALL;
8016        } else {
8017            user = new UserHandle(userId);
8018        }
8019
8020        verificationParams.setInstallerUid(callingUid);
8021
8022        final File originFile = new File(originPath);
8023        final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile);
8024
8025        final Message msg = mHandler.obtainMessage(INIT_COPY);
8026        msg.obj = new InstallParams(origin, observer, installFlags,
8027                installerPackageName, verificationParams, user, packageAbiOverride);
8028        mHandler.sendMessage(msg);
8029    }
8030
8031    void installStage(String packageName, File stagedDir, String stagedCid,
8032            IPackageInstallObserver2 observer, PackageInstaller.SessionParams params,
8033            String installerPackageName, int installerUid, UserHandle user) {
8034        final VerificationParams verifParams = new VerificationParams(null, params.originatingUri,
8035                params.referrerUri, installerUid, null);
8036
8037        final OriginInfo origin;
8038        if (stagedDir != null) {
8039            origin = OriginInfo.fromStagedFile(stagedDir);
8040        } else {
8041            origin = OriginInfo.fromStagedContainer(stagedCid);
8042        }
8043
8044        final Message msg = mHandler.obtainMessage(INIT_COPY);
8045        msg.obj = new InstallParams(origin, observer, params.installFlags,
8046                installerPackageName, verifParams, user, params.abiOverride);
8047        mHandler.sendMessage(msg);
8048    }
8049
8050    private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) {
8051        Bundle extras = new Bundle(1);
8052        extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId));
8053
8054        sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
8055                packageName, extras, null, null, new int[] {userId});
8056        try {
8057            IActivityManager am = ActivityManagerNative.getDefault();
8058            final boolean isSystem =
8059                    isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting);
8060            if (isSystem && am.isUserRunning(userId, false)) {
8061                // The just-installed/enabled app is bundled on the system, so presumed
8062                // to be able to run automatically without needing an explicit launch.
8063                // Send it a BOOT_COMPLETED if it would ordinarily have gotten one.
8064                Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED)
8065                        .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
8066                        .setPackage(packageName);
8067                am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null,
8068                        android.app.AppOpsManager.OP_NONE, false, false, userId);
8069            }
8070        } catch (RemoteException e) {
8071            // shouldn't happen
8072            Slog.w(TAG, "Unable to bootstrap installed package", e);
8073        }
8074    }
8075
8076    @Override
8077    public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden,
8078            int userId) {
8079        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
8080        PackageSetting pkgSetting;
8081        final int uid = Binder.getCallingUid();
8082        enforceCrossUserPermission(uid, userId, true, true,
8083                "setApplicationHiddenSetting for user " + userId);
8084
8085        if (hidden && isPackageDeviceAdmin(packageName, userId)) {
8086            Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin");
8087            return false;
8088        }
8089
8090        long callingId = Binder.clearCallingIdentity();
8091        try {
8092            boolean sendAdded = false;
8093            boolean sendRemoved = false;
8094            // writer
8095            synchronized (mPackages) {
8096                pkgSetting = mSettings.mPackages.get(packageName);
8097                if (pkgSetting == null) {
8098                    return false;
8099                }
8100                if (pkgSetting.getHidden(userId) != hidden) {
8101                    pkgSetting.setHidden(hidden, userId);
8102                    mSettings.writePackageRestrictionsLPr(userId);
8103                    if (hidden) {
8104                        sendRemoved = true;
8105                    } else {
8106                        sendAdded = true;
8107                    }
8108                }
8109            }
8110            if (sendAdded) {
8111                sendPackageAddedForUser(packageName, pkgSetting, userId);
8112                return true;
8113            }
8114            if (sendRemoved) {
8115                killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId),
8116                        "hiding pkg");
8117                sendApplicationHiddenForUser(packageName, pkgSetting, userId);
8118            }
8119        } finally {
8120            Binder.restoreCallingIdentity(callingId);
8121        }
8122        return false;
8123    }
8124
8125    private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting,
8126            int userId) {
8127        final PackageRemovedInfo info = new PackageRemovedInfo();
8128        info.removedPackage = packageName;
8129        info.removedUsers = new int[] {userId};
8130        info.uid = UserHandle.getUid(userId, pkgSetting.appId);
8131        info.sendBroadcast(false, false, false);
8132    }
8133
8134    /**
8135     * Returns true if application is not found or there was an error. Otherwise it returns
8136     * the hidden state of the package for the given user.
8137     */
8138    @Override
8139    public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) {
8140        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
8141        enforceCrossUserPermission(Binder.getCallingUid(), userId, true,
8142                false, "getApplicationHidden for user " + userId);
8143        PackageSetting pkgSetting;
8144        long callingId = Binder.clearCallingIdentity();
8145        try {
8146            // writer
8147            synchronized (mPackages) {
8148                pkgSetting = mSettings.mPackages.get(packageName);
8149                if (pkgSetting == null) {
8150                    return true;
8151                }
8152                return pkgSetting.getHidden(userId);
8153            }
8154        } finally {
8155            Binder.restoreCallingIdentity(callingId);
8156        }
8157    }
8158
8159    /**
8160     * @hide
8161     */
8162    @Override
8163    public int installExistingPackageAsUser(String packageName, int userId) {
8164        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES,
8165                null);
8166        PackageSetting pkgSetting;
8167        final int uid = Binder.getCallingUid();
8168        enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user "
8169                + userId);
8170        if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) {
8171            return PackageManager.INSTALL_FAILED_USER_RESTRICTED;
8172        }
8173
8174        long callingId = Binder.clearCallingIdentity();
8175        try {
8176            boolean sendAdded = false;
8177            Bundle extras = new Bundle(1);
8178
8179            // writer
8180            synchronized (mPackages) {
8181                pkgSetting = mSettings.mPackages.get(packageName);
8182                if (pkgSetting == null) {
8183                    return PackageManager.INSTALL_FAILED_INVALID_URI;
8184                }
8185                if (!pkgSetting.getInstalled(userId)) {
8186                    pkgSetting.setInstalled(true, userId);
8187                    pkgSetting.setHidden(false, userId);
8188                    mSettings.writePackageRestrictionsLPr(userId);
8189                    sendAdded = true;
8190                }
8191            }
8192
8193            if (sendAdded) {
8194                sendPackageAddedForUser(packageName, pkgSetting, userId);
8195            }
8196        } finally {
8197            Binder.restoreCallingIdentity(callingId);
8198        }
8199
8200        return PackageManager.INSTALL_SUCCEEDED;
8201    }
8202
8203    boolean isUserRestricted(int userId, String restrictionKey) {
8204        Bundle restrictions = sUserManager.getUserRestrictions(userId);
8205        if (restrictions.getBoolean(restrictionKey, false)) {
8206            Log.w(TAG, "User is restricted: " + restrictionKey);
8207            return true;
8208        }
8209        return false;
8210    }
8211
8212    @Override
8213    public void verifyPendingInstall(int id, int verificationCode) throws RemoteException {
8214        mContext.enforceCallingOrSelfPermission(
8215                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
8216                "Only package verification agents can verify applications");
8217
8218        final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
8219        final PackageVerificationResponse response = new PackageVerificationResponse(
8220                verificationCode, Binder.getCallingUid());
8221        msg.arg1 = id;
8222        msg.obj = response;
8223        mHandler.sendMessage(msg);
8224    }
8225
8226    @Override
8227    public void extendVerificationTimeout(int id, int verificationCodeAtTimeout,
8228            long millisecondsToDelay) {
8229        mContext.enforceCallingOrSelfPermission(
8230                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
8231                "Only package verification agents can extend verification timeouts");
8232
8233        final PackageVerificationState state = mPendingVerification.get(id);
8234        final PackageVerificationResponse response = new PackageVerificationResponse(
8235                verificationCodeAtTimeout, Binder.getCallingUid());
8236
8237        if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) {
8238            millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT;
8239        }
8240        if (millisecondsToDelay < 0) {
8241            millisecondsToDelay = 0;
8242        }
8243        if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW)
8244                && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) {
8245            verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT;
8246        }
8247
8248        if ((state != null) && !state.timeoutExtended()) {
8249            state.extendTimeout();
8250
8251            final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
8252            msg.arg1 = id;
8253            msg.obj = response;
8254            mHandler.sendMessageDelayed(msg, millisecondsToDelay);
8255        }
8256    }
8257
8258    private void broadcastPackageVerified(int verificationId, Uri packageUri,
8259            int verificationCode, UserHandle user) {
8260        final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED);
8261        intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE);
8262        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
8263        intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
8264        intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode);
8265
8266        mContext.sendBroadcastAsUser(intent, user,
8267                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT);
8268    }
8269
8270    private ComponentName matchComponentForVerifier(String packageName,
8271            List<ResolveInfo> receivers) {
8272        ActivityInfo targetReceiver = null;
8273
8274        final int NR = receivers.size();
8275        for (int i = 0; i < NR; i++) {
8276            final ResolveInfo info = receivers.get(i);
8277            if (info.activityInfo == null) {
8278                continue;
8279            }
8280
8281            if (packageName.equals(info.activityInfo.packageName)) {
8282                targetReceiver = info.activityInfo;
8283                break;
8284            }
8285        }
8286
8287        if (targetReceiver == null) {
8288            return null;
8289        }
8290
8291        return new ComponentName(targetReceiver.packageName, targetReceiver.name);
8292    }
8293
8294    private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo,
8295            List<ResolveInfo> receivers, final PackageVerificationState verificationState) {
8296        if (pkgInfo.verifiers.length == 0) {
8297            return null;
8298        }
8299
8300        final int N = pkgInfo.verifiers.length;
8301        final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1);
8302        for (int i = 0; i < N; i++) {
8303            final VerifierInfo verifierInfo = pkgInfo.verifiers[i];
8304
8305            final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName,
8306                    receivers);
8307            if (comp == null) {
8308                continue;
8309            }
8310
8311            final int verifierUid = getUidForVerifier(verifierInfo);
8312            if (verifierUid == -1) {
8313                continue;
8314            }
8315
8316            if (DEBUG_VERIFY) {
8317                Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName
8318                        + " with the correct signature");
8319            }
8320            sufficientVerifiers.add(comp);
8321            verificationState.addSufficientVerifier(verifierUid);
8322        }
8323
8324        return sufficientVerifiers;
8325    }
8326
8327    private int getUidForVerifier(VerifierInfo verifierInfo) {
8328        synchronized (mPackages) {
8329            final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName);
8330            if (pkg == null) {
8331                return -1;
8332            } else if (pkg.mSignatures.length != 1) {
8333                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
8334                        + " has more than one signature; ignoring");
8335                return -1;
8336            }
8337
8338            /*
8339             * If the public key of the package's signature does not match
8340             * our expected public key, then this is a different package and
8341             * we should skip.
8342             */
8343
8344            final byte[] expectedPublicKey;
8345            try {
8346                final Signature verifierSig = pkg.mSignatures[0];
8347                final PublicKey publicKey = verifierSig.getPublicKey();
8348                expectedPublicKey = publicKey.getEncoded();
8349            } catch (CertificateException e) {
8350                return -1;
8351            }
8352
8353            final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded();
8354
8355            if (!Arrays.equals(actualPublicKey, expectedPublicKey)) {
8356                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
8357                        + " does not have the expected public key; ignoring");
8358                return -1;
8359            }
8360
8361            return pkg.applicationInfo.uid;
8362        }
8363    }
8364
8365    @Override
8366    public void finishPackageInstall(int token) {
8367        enforceSystemOrRoot("Only the system is allowed to finish installs");
8368
8369        if (DEBUG_INSTALL) {
8370            Slog.v(TAG, "BM finishing package install for " + token);
8371        }
8372
8373        final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
8374        mHandler.sendMessage(msg);
8375    }
8376
8377    /**
8378     * Get the verification agent timeout.
8379     *
8380     * @return verification timeout in milliseconds
8381     */
8382    private long getVerificationTimeout() {
8383        return android.provider.Settings.Global.getLong(mContext.getContentResolver(),
8384                android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT,
8385                DEFAULT_VERIFICATION_TIMEOUT);
8386    }
8387
8388    /**
8389     * Get the default verification agent response code.
8390     *
8391     * @return default verification response code
8392     */
8393    private int getDefaultVerificationResponse() {
8394        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8395                android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE,
8396                DEFAULT_VERIFICATION_RESPONSE);
8397    }
8398
8399    /**
8400     * Check whether or not package verification has been enabled.
8401     *
8402     * @return true if verification should be performed
8403     */
8404    private boolean isVerificationEnabled(int userId, int installFlags) {
8405        if (!DEFAULT_VERIFY_ENABLE) {
8406            return false;
8407        }
8408
8409        boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS);
8410
8411        // Check if installing from ADB
8412        if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) {
8413            // Do not run verification in a test harness environment
8414            if (ActivityManager.isRunningInTestHarness()) {
8415                return false;
8416            }
8417            if (ensureVerifyAppsEnabled) {
8418                return true;
8419            }
8420            // Check if the developer does not want package verification for ADB installs
8421            if (android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8422                    android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) {
8423                return false;
8424            }
8425        }
8426
8427        if (ensureVerifyAppsEnabled) {
8428            return true;
8429        }
8430
8431        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8432                android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1;
8433    }
8434
8435    /**
8436     * Get the "allow unknown sources" setting.
8437     *
8438     * @return the current "allow unknown sources" setting
8439     */
8440    private int getUnknownSourcesSettings() {
8441        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8442                android.provider.Settings.Global.INSTALL_NON_MARKET_APPS,
8443                -1);
8444    }
8445
8446    @Override
8447    public void setInstallerPackageName(String targetPackage, String installerPackageName) {
8448        final int uid = Binder.getCallingUid();
8449        // writer
8450        synchronized (mPackages) {
8451            PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage);
8452            if (targetPackageSetting == null) {
8453                throw new IllegalArgumentException("Unknown target package: " + targetPackage);
8454            }
8455
8456            PackageSetting installerPackageSetting;
8457            if (installerPackageName != null) {
8458                installerPackageSetting = mSettings.mPackages.get(installerPackageName);
8459                if (installerPackageSetting == null) {
8460                    throw new IllegalArgumentException("Unknown installer package: "
8461                            + installerPackageName);
8462                }
8463            } else {
8464                installerPackageSetting = null;
8465            }
8466
8467            Signature[] callerSignature;
8468            Object obj = mSettings.getUserIdLPr(uid);
8469            if (obj != null) {
8470                if (obj instanceof SharedUserSetting) {
8471                    callerSignature = ((SharedUserSetting)obj).signatures.mSignatures;
8472                } else if (obj instanceof PackageSetting) {
8473                    callerSignature = ((PackageSetting)obj).signatures.mSignatures;
8474                } else {
8475                    throw new SecurityException("Bad object " + obj + " for uid " + uid);
8476                }
8477            } else {
8478                throw new SecurityException("Unknown calling uid " + uid);
8479            }
8480
8481            // Verify: can't set installerPackageName to a package that is
8482            // not signed with the same cert as the caller.
8483            if (installerPackageSetting != null) {
8484                if (compareSignatures(callerSignature,
8485                        installerPackageSetting.signatures.mSignatures)
8486                        != PackageManager.SIGNATURE_MATCH) {
8487                    throw new SecurityException(
8488                            "Caller does not have same cert as new installer package "
8489                            + installerPackageName);
8490                }
8491            }
8492
8493            // Verify: if target already has an installer package, it must
8494            // be signed with the same cert as the caller.
8495            if (targetPackageSetting.installerPackageName != null) {
8496                PackageSetting setting = mSettings.mPackages.get(
8497                        targetPackageSetting.installerPackageName);
8498                // If the currently set package isn't valid, then it's always
8499                // okay to change it.
8500                if (setting != null) {
8501                    if (compareSignatures(callerSignature,
8502                            setting.signatures.mSignatures)
8503                            != PackageManager.SIGNATURE_MATCH) {
8504                        throw new SecurityException(
8505                                "Caller does not have same cert as old installer package "
8506                                + targetPackageSetting.installerPackageName);
8507                    }
8508                }
8509            }
8510
8511            // Okay!
8512            targetPackageSetting.installerPackageName = installerPackageName;
8513            scheduleWriteSettingsLocked();
8514        }
8515    }
8516
8517    private void processPendingInstall(final InstallArgs args, final int currentStatus) {
8518        // Queue up an async operation since the package installation may take a little while.
8519        mHandler.post(new Runnable() {
8520            public void run() {
8521                mHandler.removeCallbacks(this);
8522                 // Result object to be returned
8523                PackageInstalledInfo res = new PackageInstalledInfo();
8524                res.returnCode = currentStatus;
8525                res.uid = -1;
8526                res.pkg = null;
8527                res.removedInfo = new PackageRemovedInfo();
8528                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
8529                    args.doPreInstall(res.returnCode);
8530                    synchronized (mInstallLock) {
8531                        installPackageLI(args, res);
8532                    }
8533                    args.doPostInstall(res.returnCode, res.uid);
8534                }
8535
8536                // A restore should be performed at this point if (a) the install
8537                // succeeded, (b) the operation is not an update, and (c) the new
8538                // package has not opted out of backup participation.
8539                final boolean update = res.removedInfo.removedPackage != null;
8540                final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags;
8541                boolean doRestore = !update
8542                        && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0);
8543
8544                // Set up the post-install work request bookkeeping.  This will be used
8545                // and cleaned up by the post-install event handling regardless of whether
8546                // there's a restore pass performed.  Token values are >= 1.
8547                int token;
8548                if (mNextInstallToken < 0) mNextInstallToken = 1;
8549                token = mNextInstallToken++;
8550
8551                PostInstallData data = new PostInstallData(args, res);
8552                mRunningInstalls.put(token, data);
8553                if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token);
8554
8555                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) {
8556                    // Pass responsibility to the Backup Manager.  It will perform a
8557                    // restore if appropriate, then pass responsibility back to the
8558                    // Package Manager to run the post-install observer callbacks
8559                    // and broadcasts.
8560                    IBackupManager bm = IBackupManager.Stub.asInterface(
8561                            ServiceManager.getService(Context.BACKUP_SERVICE));
8562                    if (bm != null) {
8563                        if (DEBUG_INSTALL) Log.v(TAG, "token " + token
8564                                + " to BM for possible restore");
8565                        try {
8566                            bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token);
8567                        } catch (RemoteException e) {
8568                            // can't happen; the backup manager is local
8569                        } catch (Exception e) {
8570                            Slog.e(TAG, "Exception trying to enqueue restore", e);
8571                            doRestore = false;
8572                        }
8573                    } else {
8574                        Slog.e(TAG, "Backup Manager not found!");
8575                        doRestore = false;
8576                    }
8577                }
8578
8579                if (!doRestore) {
8580                    // No restore possible, or the Backup Manager was mysteriously not
8581                    // available -- just fire the post-install work request directly.
8582                    if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token);
8583                    Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
8584                    mHandler.sendMessage(msg);
8585                }
8586            }
8587        });
8588    }
8589
8590    private abstract class HandlerParams {
8591        private static final int MAX_RETRIES = 4;
8592
8593        /**
8594         * Number of times startCopy() has been attempted and had a non-fatal
8595         * error.
8596         */
8597        private int mRetries = 0;
8598
8599        /** User handle for the user requesting the information or installation. */
8600        private final UserHandle mUser;
8601
8602        HandlerParams(UserHandle user) {
8603            mUser = user;
8604        }
8605
8606        UserHandle getUser() {
8607            return mUser;
8608        }
8609
8610        final boolean startCopy() {
8611            boolean res;
8612            try {
8613                if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this);
8614
8615                if (++mRetries > MAX_RETRIES) {
8616                    Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up");
8617                    mHandler.sendEmptyMessage(MCS_GIVE_UP);
8618                    handleServiceError();
8619                    return false;
8620                } else {
8621                    handleStartCopy();
8622                    res = true;
8623                }
8624            } catch (RemoteException e) {
8625                if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT");
8626                mHandler.sendEmptyMessage(MCS_RECONNECT);
8627                res = false;
8628            }
8629            handleReturnCode();
8630            return res;
8631        }
8632
8633        final void serviceError() {
8634            if (DEBUG_INSTALL) Slog.i(TAG, "serviceError");
8635            handleServiceError();
8636            handleReturnCode();
8637        }
8638
8639        abstract void handleStartCopy() throws RemoteException;
8640        abstract void handleServiceError();
8641        abstract void handleReturnCode();
8642    }
8643
8644    class MeasureParams extends HandlerParams {
8645        private final PackageStats mStats;
8646        private boolean mSuccess;
8647
8648        private final IPackageStatsObserver mObserver;
8649
8650        public MeasureParams(PackageStats stats, IPackageStatsObserver observer) {
8651            super(new UserHandle(stats.userHandle));
8652            mObserver = observer;
8653            mStats = stats;
8654        }
8655
8656        @Override
8657        public String toString() {
8658            return "MeasureParams{"
8659                + Integer.toHexString(System.identityHashCode(this))
8660                + " " + mStats.packageName + "}";
8661        }
8662
8663        @Override
8664        void handleStartCopy() throws RemoteException {
8665            synchronized (mInstallLock) {
8666                mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats);
8667            }
8668
8669            if (mSuccess) {
8670                final boolean mounted;
8671                if (Environment.isExternalStorageEmulated()) {
8672                    mounted = true;
8673                } else {
8674                    final String status = Environment.getExternalStorageState();
8675                    mounted = (Environment.MEDIA_MOUNTED.equals(status)
8676                            || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status));
8677                }
8678
8679                if (mounted) {
8680                    final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle);
8681
8682                    mStats.externalCacheSize = calculateDirectorySize(mContainerService,
8683                            userEnv.buildExternalStorageAppCacheDirs(mStats.packageName));
8684
8685                    mStats.externalDataSize = calculateDirectorySize(mContainerService,
8686                            userEnv.buildExternalStorageAppDataDirs(mStats.packageName));
8687
8688                    // Always subtract cache size, since it's a subdirectory
8689                    mStats.externalDataSize -= mStats.externalCacheSize;
8690
8691                    mStats.externalMediaSize = calculateDirectorySize(mContainerService,
8692                            userEnv.buildExternalStorageAppMediaDirs(mStats.packageName));
8693
8694                    mStats.externalObbSize = calculateDirectorySize(mContainerService,
8695                            userEnv.buildExternalStorageAppObbDirs(mStats.packageName));
8696                }
8697            }
8698        }
8699
8700        @Override
8701        void handleReturnCode() {
8702            if (mObserver != null) {
8703                try {
8704                    mObserver.onGetStatsCompleted(mStats, mSuccess);
8705                } catch (RemoteException e) {
8706                    Slog.i(TAG, "Observer no longer exists.");
8707                }
8708            }
8709        }
8710
8711        @Override
8712        void handleServiceError() {
8713            Slog.e(TAG, "Could not measure application " + mStats.packageName
8714                            + " external storage");
8715        }
8716    }
8717
8718    private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths)
8719            throws RemoteException {
8720        long result = 0;
8721        for (File path : paths) {
8722            result += mcs.calculateDirectorySize(path.getAbsolutePath());
8723        }
8724        return result;
8725    }
8726
8727    private static void clearDirectory(IMediaContainerService mcs, File[] paths) {
8728        for (File path : paths) {
8729            try {
8730                mcs.clearDirectory(path.getAbsolutePath());
8731            } catch (RemoteException e) {
8732            }
8733        }
8734    }
8735
8736    static class OriginInfo {
8737        /**
8738         * Location where install is coming from, before it has been
8739         * copied/renamed into place. This could be a single monolithic APK
8740         * file, or a cluster directory. This location may be untrusted.
8741         */
8742        final File file;
8743        final String cid;
8744
8745        /**
8746         * Flag indicating that {@link #file} or {@link #cid} has already been
8747         * staged, meaning downstream users don't need to defensively copy the
8748         * contents.
8749         */
8750        final boolean staged;
8751
8752        /**
8753         * Flag indicating that {@link #file} or {@link #cid} is an already
8754         * installed app that is being moved.
8755         */
8756        final boolean existing;
8757
8758        final String resolvedPath;
8759        final File resolvedFile;
8760
8761        static OriginInfo fromNothing() {
8762            return new OriginInfo(null, null, false, false);
8763        }
8764
8765        static OriginInfo fromUntrustedFile(File file) {
8766            return new OriginInfo(file, null, false, false);
8767        }
8768
8769        static OriginInfo fromExistingFile(File file) {
8770            return new OriginInfo(file, null, false, true);
8771        }
8772
8773        static OriginInfo fromStagedFile(File file) {
8774            return new OriginInfo(file, null, true, false);
8775        }
8776
8777        static OriginInfo fromStagedContainer(String cid) {
8778            return new OriginInfo(null, cid, true, false);
8779        }
8780
8781        private OriginInfo(File file, String cid, boolean staged, boolean existing) {
8782            this.file = file;
8783            this.cid = cid;
8784            this.staged = staged;
8785            this.existing = existing;
8786
8787            if (cid != null) {
8788                resolvedPath = PackageHelper.getSdDir(cid);
8789                resolvedFile = new File(resolvedPath);
8790            } else if (file != null) {
8791                resolvedPath = file.getAbsolutePath();
8792                resolvedFile = file;
8793            } else {
8794                resolvedPath = null;
8795                resolvedFile = null;
8796            }
8797        }
8798    }
8799
8800    class InstallParams extends HandlerParams {
8801        final OriginInfo origin;
8802        final IPackageInstallObserver2 observer;
8803        int installFlags;
8804        final String installerPackageName;
8805        final VerificationParams verificationParams;
8806        private InstallArgs mArgs;
8807        private int mRet;
8808        final String packageAbiOverride;
8809
8810        InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags,
8811                String installerPackageName, VerificationParams verificationParams, UserHandle user,
8812                String packageAbiOverride) {
8813            super(user);
8814            this.origin = origin;
8815            this.observer = observer;
8816            this.installFlags = installFlags;
8817            this.installerPackageName = installerPackageName;
8818            this.verificationParams = verificationParams;
8819            this.packageAbiOverride = packageAbiOverride;
8820        }
8821
8822        @Override
8823        public String toString() {
8824            return "InstallParams{" + Integer.toHexString(System.identityHashCode(this))
8825                    + " file=" + origin.file + " cid=" + origin.cid + "}";
8826        }
8827
8828        public ManifestDigest getManifestDigest() {
8829            if (verificationParams == null) {
8830                return null;
8831            }
8832            return verificationParams.getManifestDigest();
8833        }
8834
8835        private int installLocationPolicy(PackageInfoLite pkgLite) {
8836            String packageName = pkgLite.packageName;
8837            int installLocation = pkgLite.installLocation;
8838            boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
8839            // reader
8840            synchronized (mPackages) {
8841                PackageParser.Package pkg = mPackages.get(packageName);
8842                if (pkg != null) {
8843                    if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
8844                        // Check for downgrading.
8845                        if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) {
8846                            if (pkgLite.versionCode < pkg.mVersionCode) {
8847                                Slog.w(TAG, "Can't install update of " + packageName
8848                                        + " update version " + pkgLite.versionCode
8849                                        + " is older than installed version "
8850                                        + pkg.mVersionCode);
8851                                return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE;
8852                            }
8853                        }
8854                        // Check for updated system application.
8855                        if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
8856                            if (onSd) {
8857                                Slog.w(TAG, "Cannot install update to system app on sdcard");
8858                                return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION;
8859                            }
8860                            return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
8861                        } else {
8862                            if (onSd) {
8863                                // Install flag overrides everything.
8864                                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
8865                            }
8866                            // If current upgrade specifies particular preference
8867                            if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) {
8868                                // Application explicitly specified internal.
8869                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
8870                            } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) {
8871                                // App explictly prefers external. Let policy decide
8872                            } else {
8873                                // Prefer previous location
8874                                if (isExternal(pkg)) {
8875                                    return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
8876                                }
8877                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
8878                            }
8879                        }
8880                    } else {
8881                        // Invalid install. Return error code
8882                        return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS;
8883                    }
8884                }
8885            }
8886            // All the special cases have been taken care of.
8887            // Return result based on recommended install location.
8888            if (onSd) {
8889                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
8890            }
8891            return pkgLite.recommendedInstallLocation;
8892        }
8893
8894        /*
8895         * Invoke remote method to get package information and install
8896         * location values. Override install location based on default
8897         * policy if needed and then create install arguments based
8898         * on the install location.
8899         */
8900        public void handleStartCopy() throws RemoteException {
8901            int ret = PackageManager.INSTALL_SUCCEEDED;
8902
8903            // If we're already staged, we've firmly committed to an install location
8904            if (origin.staged) {
8905                if (origin.file != null) {
8906                    installFlags |= PackageManager.INSTALL_INTERNAL;
8907                    installFlags &= ~PackageManager.INSTALL_EXTERNAL;
8908                } else if (origin.cid != null) {
8909                    installFlags |= PackageManager.INSTALL_EXTERNAL;
8910                    installFlags &= ~PackageManager.INSTALL_INTERNAL;
8911                } else {
8912                    throw new IllegalStateException("Invalid stage location");
8913                }
8914            }
8915
8916            final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
8917            final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0;
8918
8919            PackageInfoLite pkgLite = null;
8920
8921            if (onInt && onSd) {
8922                // Check if both bits are set.
8923                Slog.w(TAG, "Conflicting flags specified for installing on both internal and external");
8924                ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
8925            } else {
8926                pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags,
8927                        packageAbiOverride);
8928
8929                /*
8930                 * If we have too little free space, try to free cache
8931                 * before giving up.
8932                 */
8933                if (!origin.staged && pkgLite.recommendedInstallLocation
8934                        == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
8935                    // TODO: focus freeing disk space on the target device
8936                    final StorageManager storage = StorageManager.from(mContext);
8937                    final long lowThreshold = storage.getStorageLowBytes(
8938                            Environment.getDataDirectory());
8939
8940                    final long sizeBytes = mContainerService.calculateInstalledSize(
8941                            origin.resolvedPath, isForwardLocked(), packageAbiOverride);
8942
8943                    if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) {
8944                        pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath,
8945                                installFlags, packageAbiOverride);
8946                    }
8947
8948                    /*
8949                     * The cache free must have deleted the file we
8950                     * downloaded to install.
8951                     *
8952                     * TODO: fix the "freeCache" call to not delete
8953                     *       the file we care about.
8954                     */
8955                    if (pkgLite.recommendedInstallLocation
8956                            == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
8957                        pkgLite.recommendedInstallLocation
8958                            = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE;
8959                    }
8960                }
8961            }
8962
8963            if (ret == PackageManager.INSTALL_SUCCEEDED) {
8964                int loc = pkgLite.recommendedInstallLocation;
8965                if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) {
8966                    ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
8967                } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) {
8968                    ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
8969                } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
8970                    ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
8971                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) {
8972                    ret = PackageManager.INSTALL_FAILED_INVALID_APK;
8973                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
8974                    ret = PackageManager.INSTALL_FAILED_INVALID_URI;
8975                } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) {
8976                    ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE;
8977                } else {
8978                    // Override with defaults if needed.
8979                    loc = installLocationPolicy(pkgLite);
8980                    if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) {
8981                        ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE;
8982                    } else if (!onSd && !onInt) {
8983                        // Override install location with flags
8984                        if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) {
8985                            // Set the flag to install on external media.
8986                            installFlags |= PackageManager.INSTALL_EXTERNAL;
8987                            installFlags &= ~PackageManager.INSTALL_INTERNAL;
8988                        } else {
8989                            // Make sure the flag for installing on external
8990                            // media is unset
8991                            installFlags |= PackageManager.INSTALL_INTERNAL;
8992                            installFlags &= ~PackageManager.INSTALL_EXTERNAL;
8993                        }
8994                    }
8995                }
8996            }
8997
8998            final InstallArgs args = createInstallArgs(this);
8999            mArgs = args;
9000
9001            if (ret == PackageManager.INSTALL_SUCCEEDED) {
9002                 /*
9003                 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by
9004                 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER.
9005                 */
9006                int userIdentifier = getUser().getIdentifier();
9007                if (userIdentifier == UserHandle.USER_ALL
9008                        && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) {
9009                    userIdentifier = UserHandle.USER_OWNER;
9010                }
9011
9012                /*
9013                 * Determine if we have any installed package verifiers. If we
9014                 * do, then we'll defer to them to verify the packages.
9015                 */
9016                final int requiredUid = mRequiredVerifierPackage == null ? -1
9017                        : getPackageUid(mRequiredVerifierPackage, userIdentifier);
9018                if (!origin.existing && requiredUid != -1
9019                        && isVerificationEnabled(userIdentifier, installFlags)) {
9020                    final Intent verification = new Intent(
9021                            Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
9022                    verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)),
9023                            PACKAGE_MIME_TYPE);
9024                    verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
9025
9026                    final List<ResolveInfo> receivers = queryIntentReceivers(verification,
9027                            PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS,
9028                            0 /* TODO: Which userId? */);
9029
9030                    if (DEBUG_VERIFY) {
9031                        Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent "
9032                                + verification.toString() + " with " + pkgLite.verifiers.length
9033                                + " optional verifiers");
9034                    }
9035
9036                    final int verificationId = mPendingVerificationToken++;
9037
9038                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
9039
9040                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE,
9041                            installerPackageName);
9042
9043                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS,
9044                            installFlags);
9045
9046                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME,
9047                            pkgLite.packageName);
9048
9049                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE,
9050                            pkgLite.versionCode);
9051
9052                    if (verificationParams != null) {
9053                        if (verificationParams.getVerificationURI() != null) {
9054                           verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI,
9055                                 verificationParams.getVerificationURI());
9056                        }
9057                        if (verificationParams.getOriginatingURI() != null) {
9058                            verification.putExtra(Intent.EXTRA_ORIGINATING_URI,
9059                                  verificationParams.getOriginatingURI());
9060                        }
9061                        if (verificationParams.getReferrer() != null) {
9062                            verification.putExtra(Intent.EXTRA_REFERRER,
9063                                  verificationParams.getReferrer());
9064                        }
9065                        if (verificationParams.getOriginatingUid() >= 0) {
9066                            verification.putExtra(Intent.EXTRA_ORIGINATING_UID,
9067                                  verificationParams.getOriginatingUid());
9068                        }
9069                        if (verificationParams.getInstallerUid() >= 0) {
9070                            verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID,
9071                                  verificationParams.getInstallerUid());
9072                        }
9073                    }
9074
9075                    final PackageVerificationState verificationState = new PackageVerificationState(
9076                            requiredUid, args);
9077
9078                    mPendingVerification.append(verificationId, verificationState);
9079
9080                    final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite,
9081                            receivers, verificationState);
9082
9083                    /*
9084                     * If any sufficient verifiers were listed in the package
9085                     * manifest, attempt to ask them.
9086                     */
9087                    if (sufficientVerifiers != null) {
9088                        final int N = sufficientVerifiers.size();
9089                        if (N == 0) {
9090                            Slog.i(TAG, "Additional verifiers required, but none installed.");
9091                            ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
9092                        } else {
9093                            for (int i = 0; i < N; i++) {
9094                                final ComponentName verifierComponent = sufficientVerifiers.get(i);
9095
9096                                final Intent sufficientIntent = new Intent(verification);
9097                                sufficientIntent.setComponent(verifierComponent);
9098
9099                                mContext.sendBroadcastAsUser(sufficientIntent, getUser());
9100                            }
9101                        }
9102                    }
9103
9104                    final ComponentName requiredVerifierComponent = matchComponentForVerifier(
9105                            mRequiredVerifierPackage, receivers);
9106                    if (ret == PackageManager.INSTALL_SUCCEEDED
9107                            && mRequiredVerifierPackage != null) {
9108                        /*
9109                         * Send the intent to the required verification agent,
9110                         * but only start the verification timeout after the
9111                         * target BroadcastReceivers have run.
9112                         */
9113                        verification.setComponent(requiredVerifierComponent);
9114                        mContext.sendOrderedBroadcastAsUser(verification, getUser(),
9115                                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
9116                                new BroadcastReceiver() {
9117                                    @Override
9118                                    public void onReceive(Context context, Intent intent) {
9119                                        final Message msg = mHandler
9120                                                .obtainMessage(CHECK_PENDING_VERIFICATION);
9121                                        msg.arg1 = verificationId;
9122                                        mHandler.sendMessageDelayed(msg, getVerificationTimeout());
9123                                    }
9124                                }, null, 0, null, null);
9125
9126                        /*
9127                         * We don't want the copy to proceed until verification
9128                         * succeeds, so null out this field.
9129                         */
9130                        mArgs = null;
9131                    }
9132                } else {
9133                    /*
9134                     * No package verification is enabled, so immediately start
9135                     * the remote call to initiate copy using temporary file.
9136                     */
9137                    ret = args.copyApk(mContainerService, true);
9138                }
9139            }
9140
9141            mRet = ret;
9142        }
9143
9144        @Override
9145        void handleReturnCode() {
9146            // If mArgs is null, then MCS couldn't be reached. When it
9147            // reconnects, it will try again to install. At that point, this
9148            // will succeed.
9149            if (mArgs != null) {
9150                processPendingInstall(mArgs, mRet);
9151            }
9152        }
9153
9154        @Override
9155        void handleServiceError() {
9156            mArgs = createInstallArgs(this);
9157            mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
9158        }
9159
9160        public boolean isForwardLocked() {
9161            return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
9162        }
9163    }
9164
9165    /**
9166     * Used during creation of InstallArgs
9167     *
9168     * @param installFlags package installation flags
9169     * @return true if should be installed on external storage
9170     */
9171    private static boolean installOnSd(int installFlags) {
9172        if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) {
9173            return false;
9174        }
9175        if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) {
9176            return true;
9177        }
9178        return false;
9179    }
9180
9181    /**
9182     * Used during creation of InstallArgs
9183     *
9184     * @param installFlags package installation flags
9185     * @return true if should be installed as forward locked
9186     */
9187    private static boolean installForwardLocked(int installFlags) {
9188        return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
9189    }
9190
9191    private InstallArgs createInstallArgs(InstallParams params) {
9192        if (installOnSd(params.installFlags) || params.isForwardLocked()) {
9193            return new AsecInstallArgs(params);
9194        } else {
9195            return new FileInstallArgs(params);
9196        }
9197    }
9198
9199    /**
9200     * Create args that describe an existing installed package. Typically used
9201     * when cleaning up old installs, or used as a move source.
9202     */
9203    private InstallArgs createInstallArgsForExisting(int installFlags, String codePath,
9204            String resourcePath, String nativeLibraryRoot, String[] instructionSets) {
9205        final boolean isInAsec;
9206        if (installOnSd(installFlags)) {
9207            /* Apps on SD card are always in ASEC containers. */
9208            isInAsec = true;
9209        } else if (installForwardLocked(installFlags)
9210                && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) {
9211            /*
9212             * Forward-locked apps are only in ASEC containers if they're the
9213             * new style
9214             */
9215            isInAsec = true;
9216        } else {
9217            isInAsec = false;
9218        }
9219
9220        if (isInAsec) {
9221            return new AsecInstallArgs(codePath, instructionSets,
9222                    installOnSd(installFlags), installForwardLocked(installFlags));
9223        } else {
9224            return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot,
9225                    instructionSets);
9226        }
9227    }
9228
9229    static abstract class InstallArgs {
9230        /** @see InstallParams#origin */
9231        final OriginInfo origin;
9232
9233        final IPackageInstallObserver2 observer;
9234        // Always refers to PackageManager flags only
9235        final int installFlags;
9236        final String installerPackageName;
9237        final ManifestDigest manifestDigest;
9238        final UserHandle user;
9239        final String abiOverride;
9240
9241        // The list of instruction sets supported by this app. This is currently
9242        // only used during the rmdex() phase to clean up resources. We can get rid of this
9243        // if we move dex files under the common app path.
9244        /* nullable */ String[] instructionSets;
9245
9246        InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags,
9247                String installerPackageName, ManifestDigest manifestDigest, UserHandle user,
9248                String[] instructionSets, String abiOverride) {
9249            this.origin = origin;
9250            this.installFlags = installFlags;
9251            this.observer = observer;
9252            this.installerPackageName = installerPackageName;
9253            this.manifestDigest = manifestDigest;
9254            this.user = user;
9255            this.instructionSets = instructionSets;
9256            this.abiOverride = abiOverride;
9257        }
9258
9259        abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException;
9260        abstract int doPreInstall(int status);
9261
9262        /**
9263         * Rename package into final resting place. All paths on the given
9264         * scanned package should be updated to reflect the rename.
9265         */
9266        abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath);
9267        abstract int doPostInstall(int status, int uid);
9268
9269        /** @see PackageSettingBase#codePathString */
9270        abstract String getCodePath();
9271        /** @see PackageSettingBase#resourcePathString */
9272        abstract String getResourcePath();
9273        abstract String getLegacyNativeLibraryPath();
9274
9275        // Need installer lock especially for dex file removal.
9276        abstract void cleanUpResourcesLI();
9277        abstract boolean doPostDeleteLI(boolean delete);
9278        abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException;
9279
9280        /**
9281         * Called before the source arguments are copied. This is used mostly
9282         * for MoveParams when it needs to read the source file to put it in the
9283         * destination.
9284         */
9285        int doPreCopy() {
9286            return PackageManager.INSTALL_SUCCEEDED;
9287        }
9288
9289        /**
9290         * Called after the source arguments are copied. This is used mostly for
9291         * MoveParams when it needs to read the source file to put it in the
9292         * destination.
9293         *
9294         * @return
9295         */
9296        int doPostCopy(int uid) {
9297            return PackageManager.INSTALL_SUCCEEDED;
9298        }
9299
9300        protected boolean isFwdLocked() {
9301            return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
9302        }
9303
9304        protected boolean isExternal() {
9305            return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
9306        }
9307
9308        UserHandle getUser() {
9309            return user;
9310        }
9311    }
9312
9313    /**
9314     * Logic to handle installation of non-ASEC applications, including copying
9315     * and renaming logic.
9316     */
9317    class FileInstallArgs extends InstallArgs {
9318        private File codeFile;
9319        private File resourceFile;
9320        private File legacyNativeLibraryPath;
9321
9322        // Example topology:
9323        // /data/app/com.example/base.apk
9324        // /data/app/com.example/split_foo.apk
9325        // /data/app/com.example/lib/arm/libfoo.so
9326        // /data/app/com.example/lib/arm64/libfoo.so
9327        // /data/app/com.example/dalvik/arm/base.apk@classes.dex
9328
9329        /** New install */
9330        FileInstallArgs(InstallParams params) {
9331            super(params.origin, params.observer, params.installFlags,
9332                    params.installerPackageName, params.getManifestDigest(), params.getUser(),
9333                    null /* instruction sets */, params.packageAbiOverride);
9334            if (isFwdLocked()) {
9335                throw new IllegalArgumentException("Forward locking only supported in ASEC");
9336            }
9337        }
9338
9339        /** Existing install */
9340        FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath,
9341                String[] instructionSets) {
9342            super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null);
9343            this.codeFile = (codePath != null) ? new File(codePath) : null;
9344            this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null;
9345            this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ?
9346                    new File(legacyNativeLibraryPath) : null;
9347        }
9348
9349        boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException {
9350            final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(),
9351                    isFwdLocked(), abiOverride);
9352
9353            final StorageManager storage = StorageManager.from(mContext);
9354            return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory()));
9355        }
9356
9357        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
9358            if (origin.staged) {
9359                Slog.d(TAG, origin.file + " already staged; skipping copy");
9360                codeFile = origin.file;
9361                resourceFile = origin.file;
9362                return PackageManager.INSTALL_SUCCEEDED;
9363            }
9364
9365            try {
9366                final File tempDir = mInstallerService.allocateInternalStageDirLegacy();
9367                codeFile = tempDir;
9368                resourceFile = tempDir;
9369            } catch (IOException e) {
9370                Slog.w(TAG, "Failed to create copy file: " + e);
9371                return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
9372            }
9373
9374            final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() {
9375                @Override
9376                public ParcelFileDescriptor open(String name, int mode) throws RemoteException {
9377                    if (!FileUtils.isValidExtFilename(name)) {
9378                        throw new IllegalArgumentException("Invalid filename: " + name);
9379                    }
9380                    try {
9381                        final File file = new File(codeFile, name);
9382                        final FileDescriptor fd = Os.open(file.getAbsolutePath(),
9383                                O_RDWR | O_CREAT, 0644);
9384                        Os.chmod(file.getAbsolutePath(), 0644);
9385                        return new ParcelFileDescriptor(fd);
9386                    } catch (ErrnoException e) {
9387                        throw new RemoteException("Failed to open: " + e.getMessage());
9388                    }
9389                }
9390            };
9391
9392            int ret = PackageManager.INSTALL_SUCCEEDED;
9393            ret = imcs.copyPackage(origin.file.getAbsolutePath(), target);
9394            if (ret != PackageManager.INSTALL_SUCCEEDED) {
9395                Slog.e(TAG, "Failed to copy package");
9396                return ret;
9397            }
9398
9399            final File libraryRoot = new File(codeFile, LIB_DIR_NAME);
9400            NativeLibraryHelper.Handle handle = null;
9401            try {
9402                handle = NativeLibraryHelper.Handle.create(codeFile);
9403                ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot,
9404                        abiOverride);
9405            } catch (IOException e) {
9406                Slog.e(TAG, "Copying native libraries failed", e);
9407                ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
9408            } finally {
9409                IoUtils.closeQuietly(handle);
9410            }
9411
9412            return ret;
9413        }
9414
9415        int doPreInstall(int status) {
9416            if (status != PackageManager.INSTALL_SUCCEEDED) {
9417                cleanUp();
9418            }
9419            return status;
9420        }
9421
9422        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
9423            if (status != PackageManager.INSTALL_SUCCEEDED) {
9424                cleanUp();
9425                return false;
9426            } else {
9427                final File beforeCodeFile = codeFile;
9428                final File afterCodeFile = getNextCodePath(pkg.packageName);
9429
9430                Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile);
9431                try {
9432                    Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath());
9433                } catch (ErrnoException e) {
9434                    Slog.d(TAG, "Failed to rename", e);
9435                    return false;
9436                }
9437
9438                if (!SELinux.restoreconRecursive(afterCodeFile)) {
9439                    Slog.d(TAG, "Failed to restorecon");
9440                    return false;
9441                }
9442
9443                // Reflect the rename internally
9444                codeFile = afterCodeFile;
9445                resourceFile = afterCodeFile;
9446
9447                // Reflect the rename in scanned details
9448                pkg.codePath = afterCodeFile.getAbsolutePath();
9449                pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
9450                        pkg.baseCodePath);
9451                pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
9452                        pkg.splitCodePaths);
9453
9454                // Reflect the rename in app info
9455                pkg.applicationInfo.setCodePath(pkg.codePath);
9456                pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
9457                pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
9458                pkg.applicationInfo.setResourcePath(pkg.codePath);
9459                pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
9460                pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
9461
9462                return true;
9463            }
9464        }
9465
9466        int doPostInstall(int status, int uid) {
9467            if (status != PackageManager.INSTALL_SUCCEEDED) {
9468                cleanUp();
9469            }
9470            return status;
9471        }
9472
9473        @Override
9474        String getCodePath() {
9475            return (codeFile != null) ? codeFile.getAbsolutePath() : null;
9476        }
9477
9478        @Override
9479        String getResourcePath() {
9480            return (resourceFile != null) ? resourceFile.getAbsolutePath() : null;
9481        }
9482
9483        @Override
9484        String getLegacyNativeLibraryPath() {
9485            return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null;
9486        }
9487
9488        private boolean cleanUp() {
9489            if (codeFile == null || !codeFile.exists()) {
9490                return false;
9491            }
9492
9493            if (codeFile.isDirectory()) {
9494                FileUtils.deleteContents(codeFile);
9495            }
9496            codeFile.delete();
9497
9498            if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) {
9499                resourceFile.delete();
9500            }
9501
9502            if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) {
9503                if (!FileUtils.deleteContents(legacyNativeLibraryPath)) {
9504                    Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath);
9505                }
9506                legacyNativeLibraryPath.delete();
9507            }
9508
9509            return true;
9510        }
9511
9512        void cleanUpResourcesLI() {
9513            // Try enumerating all code paths before deleting
9514            List<String> allCodePaths = Collections.EMPTY_LIST;
9515            if (codeFile != null && codeFile.exists()) {
9516                try {
9517                    final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0);
9518                    allCodePaths = pkg.getAllCodePaths();
9519                } catch (PackageParserException e) {
9520                    // Ignored; we tried our best
9521                }
9522            }
9523
9524            cleanUp();
9525
9526            if (!allCodePaths.isEmpty()) {
9527                if (instructionSets == null) {
9528                    throw new IllegalStateException("instructionSet == null");
9529                }
9530                String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets);
9531                for (String codePath : allCodePaths) {
9532                    for (String dexCodeInstructionSet : dexCodeInstructionSets) {
9533                        int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet);
9534                        if (retCode < 0) {
9535                            Slog.w(TAG, "Couldn't remove dex file for package: "
9536                                    + " at location " + codePath + ", retcode=" + retCode);
9537                            // we don't consider this to be a failure of the core package deletion
9538                        }
9539                    }
9540                }
9541            }
9542        }
9543
9544        boolean doPostDeleteLI(boolean delete) {
9545            // XXX err, shouldn't we respect the delete flag?
9546            cleanUpResourcesLI();
9547            return true;
9548        }
9549    }
9550
9551    private boolean isAsecExternal(String cid) {
9552        final String asecPath = PackageHelper.getSdFilesystem(cid);
9553        return !asecPath.startsWith(mAsecInternalPath);
9554    }
9555
9556    private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws
9557            PackageManagerException {
9558        if (copyRet < 0) {
9559            if (copyRet != PackageManager.NO_NATIVE_LIBRARIES &&
9560                    copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) {
9561                throw new PackageManagerException(copyRet, message);
9562            }
9563        }
9564    }
9565
9566    /**
9567     * Extract the MountService "container ID" from the full code path of an
9568     * .apk.
9569     */
9570    static String cidFromCodePath(String fullCodePath) {
9571        int eidx = fullCodePath.lastIndexOf("/");
9572        String subStr1 = fullCodePath.substring(0, eidx);
9573        int sidx = subStr1.lastIndexOf("/");
9574        return subStr1.substring(sidx+1, eidx);
9575    }
9576
9577    /**
9578     * Logic to handle installation of ASEC applications, including copying and
9579     * renaming logic.
9580     */
9581    class AsecInstallArgs extends InstallArgs {
9582        static final String RES_FILE_NAME = "pkg.apk";
9583        static final String PUBLIC_RES_FILE_NAME = "res.zip";
9584
9585        String cid;
9586        String packagePath;
9587        String resourcePath;
9588        String legacyNativeLibraryDir;
9589
9590        /** New install */
9591        AsecInstallArgs(InstallParams params) {
9592            super(params.origin, params.observer, params.installFlags,
9593                    params.installerPackageName, params.getManifestDigest(),
9594                    params.getUser(), null /* instruction sets */,
9595                    params.packageAbiOverride);
9596        }
9597
9598        /** Existing install */
9599        AsecInstallArgs(String fullCodePath, String[] instructionSets,
9600                        boolean isExternal, boolean isForwardLocked) {
9601            super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0)
9602                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null,
9603                    instructionSets, null);
9604            // Hackily pretend we're still looking at a full code path
9605            if (!fullCodePath.endsWith(RES_FILE_NAME)) {
9606                fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath();
9607            }
9608
9609            // Extract cid from fullCodePath
9610            int eidx = fullCodePath.lastIndexOf("/");
9611            String subStr1 = fullCodePath.substring(0, eidx);
9612            int sidx = subStr1.lastIndexOf("/");
9613            cid = subStr1.substring(sidx+1, eidx);
9614            setMountPath(subStr1);
9615        }
9616
9617        AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) {
9618            super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0)
9619                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null,
9620                    instructionSets, null);
9621            this.cid = cid;
9622            setMountPath(PackageHelper.getSdDir(cid));
9623        }
9624
9625        void createCopyFile() {
9626            cid = mInstallerService.allocateExternalStageCidLegacy();
9627        }
9628
9629        boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException {
9630            final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(),
9631                    abiOverride);
9632
9633            final File target;
9634            if (isExternal()) {
9635                target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory();
9636            } else {
9637                target = Environment.getDataDirectory();
9638            }
9639
9640            final StorageManager storage = StorageManager.from(mContext);
9641            return (sizeBytes <= storage.getStorageBytesUntilLow(target));
9642        }
9643
9644        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
9645            if (origin.staged) {
9646                Slog.d(TAG, origin.cid + " already staged; skipping copy");
9647                cid = origin.cid;
9648                setMountPath(PackageHelper.getSdDir(cid));
9649                return PackageManager.INSTALL_SUCCEEDED;
9650            }
9651
9652            if (temp) {
9653                createCopyFile();
9654            } else {
9655                /*
9656                 * Pre-emptively destroy the container since it's destroyed if
9657                 * copying fails due to it existing anyway.
9658                 */
9659                PackageHelper.destroySdDir(cid);
9660            }
9661
9662            final String newMountPath = imcs.copyPackageToContainer(
9663                    origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(),
9664                    isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */));
9665
9666            if (newMountPath != null) {
9667                setMountPath(newMountPath);
9668                return PackageManager.INSTALL_SUCCEEDED;
9669            } else {
9670                return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9671            }
9672        }
9673
9674        @Override
9675        String getCodePath() {
9676            return packagePath;
9677        }
9678
9679        @Override
9680        String getResourcePath() {
9681            return resourcePath;
9682        }
9683
9684        @Override
9685        String getLegacyNativeLibraryPath() {
9686            return legacyNativeLibraryDir;
9687        }
9688
9689        int doPreInstall(int status) {
9690            if (status != PackageManager.INSTALL_SUCCEEDED) {
9691                // Destroy container
9692                PackageHelper.destroySdDir(cid);
9693            } else {
9694                boolean mounted = PackageHelper.isContainerMounted(cid);
9695                if (!mounted) {
9696                    String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(),
9697                            Process.SYSTEM_UID);
9698                    if (newMountPath != null) {
9699                        setMountPath(newMountPath);
9700                    } else {
9701                        return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9702                    }
9703                }
9704            }
9705            return status;
9706        }
9707
9708        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
9709            String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME);
9710            String newMountPath = null;
9711            if (PackageHelper.isContainerMounted(cid)) {
9712                // Unmount the container
9713                if (!PackageHelper.unMountSdDir(cid)) {
9714                    Slog.i(TAG, "Failed to unmount " + cid + " before renaming");
9715                    return false;
9716                }
9717            }
9718            if (!PackageHelper.renameSdDir(cid, newCacheId)) {
9719                Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId +
9720                        " which might be stale. Will try to clean up.");
9721                // Clean up the stale container and proceed to recreate.
9722                if (!PackageHelper.destroySdDir(newCacheId)) {
9723                    Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId);
9724                    return false;
9725                }
9726                // Successfully cleaned up stale container. Try to rename again.
9727                if (!PackageHelper.renameSdDir(cid, newCacheId)) {
9728                    Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId
9729                            + " inspite of cleaning it up.");
9730                    return false;
9731                }
9732            }
9733            if (!PackageHelper.isContainerMounted(newCacheId)) {
9734                Slog.w(TAG, "Mounting container " + newCacheId);
9735                newMountPath = PackageHelper.mountSdDir(newCacheId,
9736                        getEncryptKey(), Process.SYSTEM_UID);
9737            } else {
9738                newMountPath = PackageHelper.getSdDir(newCacheId);
9739            }
9740            if (newMountPath == null) {
9741                Slog.w(TAG, "Failed to get cache path for  " + newCacheId);
9742                return false;
9743            }
9744            Log.i(TAG, "Succesfully renamed " + cid +
9745                    " to " + newCacheId +
9746                    " at new path: " + newMountPath);
9747            cid = newCacheId;
9748
9749            final File beforeCodeFile = new File(packagePath);
9750            setMountPath(newMountPath);
9751            final File afterCodeFile = new File(packagePath);
9752
9753            // Reflect the rename in scanned details
9754            pkg.codePath = afterCodeFile.getAbsolutePath();
9755            pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
9756                    pkg.baseCodePath);
9757            pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
9758                    pkg.splitCodePaths);
9759
9760            // Reflect the rename in app info
9761            pkg.applicationInfo.setCodePath(pkg.codePath);
9762            pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
9763            pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
9764            pkg.applicationInfo.setResourcePath(pkg.codePath);
9765            pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
9766            pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
9767
9768            return true;
9769        }
9770
9771        private void setMountPath(String mountPath) {
9772            final File mountFile = new File(mountPath);
9773
9774            final File monolithicFile = new File(mountFile, RES_FILE_NAME);
9775            if (monolithicFile.exists()) {
9776                packagePath = monolithicFile.getAbsolutePath();
9777                if (isFwdLocked()) {
9778                    resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath();
9779                } else {
9780                    resourcePath = packagePath;
9781                }
9782            } else {
9783                packagePath = mountFile.getAbsolutePath();
9784                resourcePath = packagePath;
9785            }
9786
9787            legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath();
9788        }
9789
9790        int doPostInstall(int status, int uid) {
9791            if (status != PackageManager.INSTALL_SUCCEEDED) {
9792                cleanUp();
9793            } else {
9794                final int groupOwner;
9795                final String protectedFile;
9796                if (isFwdLocked()) {
9797                    groupOwner = UserHandle.getSharedAppGid(uid);
9798                    protectedFile = RES_FILE_NAME;
9799                } else {
9800                    groupOwner = -1;
9801                    protectedFile = null;
9802                }
9803
9804                if (uid < Process.FIRST_APPLICATION_UID
9805                        || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) {
9806                    Slog.e(TAG, "Failed to finalize " + cid);
9807                    PackageHelper.destroySdDir(cid);
9808                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9809                }
9810
9811                boolean mounted = PackageHelper.isContainerMounted(cid);
9812                if (!mounted) {
9813                    PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid());
9814                }
9815            }
9816            return status;
9817        }
9818
9819        private void cleanUp() {
9820            if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp");
9821
9822            // Destroy secure container
9823            PackageHelper.destroySdDir(cid);
9824        }
9825
9826        private List<String> getAllCodePaths() {
9827            final File codeFile = new File(getCodePath());
9828            if (codeFile != null && codeFile.exists()) {
9829                try {
9830                    final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0);
9831                    return pkg.getAllCodePaths();
9832                } catch (PackageParserException e) {
9833                    // Ignored; we tried our best
9834                }
9835            }
9836            return Collections.EMPTY_LIST;
9837        }
9838
9839        void cleanUpResourcesLI() {
9840            // Enumerate all code paths before deleting
9841            cleanUpResourcesLI(getAllCodePaths());
9842        }
9843
9844        private void cleanUpResourcesLI(List<String> allCodePaths) {
9845            cleanUp();
9846
9847            if (!allCodePaths.isEmpty()) {
9848                if (instructionSets == null) {
9849                    throw new IllegalStateException("instructionSet == null");
9850                }
9851                String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets);
9852                for (String codePath : allCodePaths) {
9853                    for (String dexCodeInstructionSet : dexCodeInstructionSets) {
9854                        int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet);
9855                        if (retCode < 0) {
9856                            Slog.w(TAG, "Couldn't remove dex file for package: "
9857                                    + " at location " + codePath + ", retcode=" + retCode);
9858                            // we don't consider this to be a failure of the core package deletion
9859                        }
9860                    }
9861                }
9862            }
9863        }
9864
9865        boolean matchContainer(String app) {
9866            if (cid.startsWith(app)) {
9867                return true;
9868            }
9869            return false;
9870        }
9871
9872        String getPackageName() {
9873            return getAsecPackageName(cid);
9874        }
9875
9876        boolean doPostDeleteLI(boolean delete) {
9877            if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete);
9878            final List<String> allCodePaths = getAllCodePaths();
9879            boolean mounted = PackageHelper.isContainerMounted(cid);
9880            if (mounted) {
9881                // Unmount first
9882                if (PackageHelper.unMountSdDir(cid)) {
9883                    mounted = false;
9884                }
9885            }
9886            if (!mounted && delete) {
9887                cleanUpResourcesLI(allCodePaths);
9888            }
9889            return !mounted;
9890        }
9891
9892        @Override
9893        int doPreCopy() {
9894            if (isFwdLocked()) {
9895                if (!PackageHelper.fixSdPermissions(cid,
9896                        getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) {
9897                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9898                }
9899            }
9900
9901            return PackageManager.INSTALL_SUCCEEDED;
9902        }
9903
9904        @Override
9905        int doPostCopy(int uid) {
9906            if (isFwdLocked()) {
9907                if (uid < Process.FIRST_APPLICATION_UID
9908                        || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid),
9909                                RES_FILE_NAME)) {
9910                    Slog.e(TAG, "Failed to finalize " + cid);
9911                    PackageHelper.destroySdDir(cid);
9912                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9913                }
9914            }
9915
9916            return PackageManager.INSTALL_SUCCEEDED;
9917        }
9918    }
9919
9920    static String getAsecPackageName(String packageCid) {
9921        int idx = packageCid.lastIndexOf("-");
9922        if (idx == -1) {
9923            return packageCid;
9924        }
9925        return packageCid.substring(0, idx);
9926    }
9927
9928    // Utility method used to create code paths based on package name and available index.
9929    private static String getNextCodePath(String oldCodePath, String prefix, String suffix) {
9930        String idxStr = "";
9931        int idx = 1;
9932        // Fall back to default value of idx=1 if prefix is not
9933        // part of oldCodePath
9934        if (oldCodePath != null) {
9935            String subStr = oldCodePath;
9936            // Drop the suffix right away
9937            if (suffix != null && subStr.endsWith(suffix)) {
9938                subStr = subStr.substring(0, subStr.length() - suffix.length());
9939            }
9940            // If oldCodePath already contains prefix find out the
9941            // ending index to either increment or decrement.
9942            int sidx = subStr.lastIndexOf(prefix);
9943            if (sidx != -1) {
9944                subStr = subStr.substring(sidx + prefix.length());
9945                if (subStr != null) {
9946                    if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) {
9947                        subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length());
9948                    }
9949                    try {
9950                        idx = Integer.parseInt(subStr);
9951                        if (idx <= 1) {
9952                            idx++;
9953                        } else {
9954                            idx--;
9955                        }
9956                    } catch(NumberFormatException e) {
9957                    }
9958                }
9959            }
9960        }
9961        idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx);
9962        return prefix + idxStr;
9963    }
9964
9965    private File getNextCodePath(String packageName) {
9966        int suffix = 1;
9967        File result;
9968        do {
9969            result = new File(mAppInstallDir, packageName + "-" + suffix);
9970            suffix++;
9971        } while (result.exists());
9972        return result;
9973    }
9974
9975    // Utility method used to ignore ADD/REMOVE events
9976    // by directory observer.
9977    private static boolean ignoreCodePath(String fullPathStr) {
9978        String apkName = deriveCodePathName(fullPathStr);
9979        int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX);
9980        if (idx != -1 && ((idx+1) < apkName.length())) {
9981            // Make sure the package ends with a numeral
9982            String version = apkName.substring(idx+1);
9983            try {
9984                Integer.parseInt(version);
9985                return true;
9986            } catch (NumberFormatException e) {}
9987        }
9988        return false;
9989    }
9990
9991    // Utility method that returns the relative package path with respect
9992    // to the installation directory. Like say for /data/data/com.test-1.apk
9993    // string com.test-1 is returned.
9994    static String deriveCodePathName(String codePath) {
9995        if (codePath == null) {
9996            return null;
9997        }
9998        final File codeFile = new File(codePath);
9999        final String name = codeFile.getName();
10000        if (codeFile.isDirectory()) {
10001            return name;
10002        } else if (name.endsWith(".apk") || name.endsWith(".tmp")) {
10003            final int lastDot = name.lastIndexOf('.');
10004            return name.substring(0, lastDot);
10005        } else {
10006            Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK");
10007            return null;
10008        }
10009    }
10010
10011    class PackageInstalledInfo {
10012        String name;
10013        int uid;
10014        // The set of users that originally had this package installed.
10015        int[] origUsers;
10016        // The set of users that now have this package installed.
10017        int[] newUsers;
10018        PackageParser.Package pkg;
10019        int returnCode;
10020        String returnMsg;
10021        PackageRemovedInfo removedInfo;
10022
10023        public void setError(int code, String msg) {
10024            returnCode = code;
10025            returnMsg = msg;
10026            Slog.w(TAG, msg);
10027        }
10028
10029        public void setError(String msg, PackageParserException e) {
10030            returnCode = e.error;
10031            returnMsg = ExceptionUtils.getCompleteMessage(msg, e);
10032            Slog.w(TAG, msg, e);
10033        }
10034
10035        public void setError(String msg, PackageManagerException e) {
10036            returnCode = e.error;
10037            returnMsg = ExceptionUtils.getCompleteMessage(msg, e);
10038            Slog.w(TAG, msg, e);
10039        }
10040
10041        // In some error cases we want to convey more info back to the observer
10042        String origPackage;
10043        String origPermission;
10044    }
10045
10046    /*
10047     * Install a non-existing package.
10048     */
10049    private void installNewPackageLI(PackageParser.Package pkg,
10050            int parseFlags, int scanFlags, UserHandle user,
10051            String installerPackageName, PackageInstalledInfo res) {
10052        // Remember this for later, in case we need to rollback this install
10053        String pkgName = pkg.packageName;
10054
10055        if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg);
10056        boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists();
10057        synchronized(mPackages) {
10058            if (mSettings.mRenamedPackages.containsKey(pkgName)) {
10059                // A package with the same name is already installed, though
10060                // it has been renamed to an older name.  The package we
10061                // are trying to install should be installed as an update to
10062                // the existing one, but that has not been requested, so bail.
10063                res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
10064                        + " without first uninstalling package running as "
10065                        + mSettings.mRenamedPackages.get(pkgName));
10066                return;
10067            }
10068            if (mPackages.containsKey(pkgName)) {
10069                // Don't allow installation over an existing package with the same name.
10070                res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
10071                        + " without first uninstalling.");
10072                return;
10073            }
10074        }
10075
10076        try {
10077            PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags,
10078                    System.currentTimeMillis(), user);
10079
10080            updateSettingsLI(newPackage, installerPackageName, null, null, res);
10081            // delete the partially installed application. the data directory will have to be
10082            // restored if it was already existing
10083            if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
10084                // remove package from internal structures.  Note that we want deletePackageX to
10085                // delete the package data and cache directories that it created in
10086                // scanPackageLocked, unless those directories existed before we even tried to
10087                // install.
10088                deletePackageLI(pkgName, UserHandle.ALL, false, null, null,
10089                        dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0,
10090                                res.removedInfo, true);
10091            }
10092
10093        } catch (PackageManagerException e) {
10094            res.setError("Package couldn't be installed in " + pkg.codePath, e);
10095        }
10096    }
10097
10098    private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) {
10099        // Upgrade keysets are being used.  Determine if new package has a superset of the
10100        // required keys.
10101        long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets();
10102        KeySetManagerService ksms = mSettings.mKeySetManagerService;
10103        for (int i = 0; i < upgradeKeySets.length; i++) {
10104            Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]);
10105            if (newPkg.mSigningKeys.containsAll(upgradeSet)) {
10106                return true;
10107            }
10108        }
10109        return false;
10110    }
10111
10112    private void replacePackageLI(PackageParser.Package pkg,
10113            int parseFlags, int scanFlags, UserHandle user,
10114            String installerPackageName, PackageInstalledInfo res) {
10115        PackageParser.Package oldPackage;
10116        String pkgName = pkg.packageName;
10117        int[] allUsers;
10118        boolean[] perUserInstalled;
10119
10120        // First find the old package info and check signatures
10121        synchronized(mPackages) {
10122            oldPackage = mPackages.get(pkgName);
10123            if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage);
10124            PackageSetting ps = mSettings.mPackages.get(pkgName);
10125            if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) {
10126                // default to original signature matching
10127                if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures)
10128                    != PackageManager.SIGNATURE_MATCH) {
10129                    res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES,
10130                            "New package has a different signature: " + pkgName);
10131                    return;
10132                }
10133            } else {
10134                if(!checkUpgradeKeySetLP(ps, pkg)) {
10135                    res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES,
10136                            "New package not signed by keys specified by upgrade-keysets: "
10137                            + pkgName);
10138                    return;
10139                }
10140            }
10141
10142            // In case of rollback, remember per-user/profile install state
10143            allUsers = sUserManager.getUserIds();
10144            perUserInstalled = new boolean[allUsers.length];
10145            for (int i = 0; i < allUsers.length; i++) {
10146                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
10147            }
10148        }
10149
10150        boolean sysPkg = (isSystemApp(oldPackage));
10151        if (sysPkg) {
10152            replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags,
10153                    user, allUsers, perUserInstalled, installerPackageName, res);
10154        } else {
10155            replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags,
10156                    user, allUsers, perUserInstalled, installerPackageName, res);
10157        }
10158    }
10159
10160    private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage,
10161            PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user,
10162            int[] allUsers, boolean[] perUserInstalled,
10163            String installerPackageName, PackageInstalledInfo res) {
10164        String pkgName = deletedPackage.packageName;
10165        boolean deletedPkg = true;
10166        boolean updatedSettings = false;
10167
10168        if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old="
10169                + deletedPackage);
10170        long origUpdateTime;
10171        if (pkg.mExtras != null) {
10172            origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime;
10173        } else {
10174            origUpdateTime = 0;
10175        }
10176
10177        // First delete the existing package while retaining the data directory
10178        if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA,
10179                res.removedInfo, true)) {
10180            // If the existing package wasn't successfully deleted
10181            res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI");
10182            deletedPkg = false;
10183        } else {
10184            // Successfully deleted the old package; proceed with replace.
10185
10186            // If deleted package lived in a container, give users a chance to
10187            // relinquish resources before killing.
10188            if (isForwardLocked(deletedPackage) || isExternal(deletedPackage)) {
10189                if (DEBUG_INSTALL) {
10190                    Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE");
10191                }
10192                final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid };
10193                final ArrayList<String> pkgList = new ArrayList<String>(1);
10194                pkgList.add(deletedPackage.applicationInfo.packageName);
10195                sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null);
10196            }
10197
10198            deleteCodeCacheDirsLI(pkgName);
10199            try {
10200                final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags,
10201                        scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user);
10202                updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res);
10203                updatedSettings = true;
10204            } catch (PackageManagerException e) {
10205                res.setError("Package couldn't be installed in " + pkg.codePath, e);
10206            }
10207        }
10208
10209        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
10210            // remove package from internal structures.  Note that we want deletePackageX to
10211            // delete the package data and cache directories that it created in
10212            // scanPackageLocked, unless those directories existed before we even tried to
10213            // install.
10214            if(updatedSettings) {
10215                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName);
10216                deletePackageLI(
10217                        pkgName, null, true, allUsers, perUserInstalled,
10218                        PackageManager.DELETE_KEEP_DATA,
10219                                res.removedInfo, true);
10220            }
10221            // Since we failed to install the new package we need to restore the old
10222            // package that we deleted.
10223            if (deletedPkg) {
10224                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage);
10225                File restoreFile = new File(deletedPackage.codePath);
10226                // Parse old package
10227                boolean oldOnSd = isExternal(deletedPackage);
10228                int oldParseFlags  = mDefParseFlags | PackageParser.PARSE_CHATTY |
10229                        (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) |
10230                        (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0);
10231                int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME;
10232                try {
10233                    scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null);
10234                } catch (PackageManagerException e) {
10235                    Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: "
10236                            + e.getMessage());
10237                    return;
10238                }
10239                // Restore of old package succeeded. Update permissions.
10240                // writer
10241                synchronized (mPackages) {
10242                    updatePermissionsLPw(deletedPackage.packageName, deletedPackage,
10243                            UPDATE_PERMISSIONS_ALL);
10244                    // can downgrade to reader
10245                    mSettings.writeLPr();
10246                }
10247                Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade");
10248            }
10249        }
10250    }
10251
10252    private void replaceSystemPackageLI(PackageParser.Package deletedPackage,
10253            PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user,
10254            int[] allUsers, boolean[] perUserInstalled,
10255            String installerPackageName, PackageInstalledInfo res) {
10256        if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg
10257                + ", old=" + deletedPackage);
10258        boolean disabledSystem = false;
10259        boolean updatedSettings = false;
10260        parseFlags |= PackageParser.PARSE_IS_SYSTEM;
10261        if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) {
10262            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
10263        }
10264        String packageName = deletedPackage.packageName;
10265        if (packageName == null) {
10266            res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
10267                    "Attempt to delete null packageName.");
10268            return;
10269        }
10270        PackageParser.Package oldPkg;
10271        PackageSetting oldPkgSetting;
10272        // reader
10273        synchronized (mPackages) {
10274            oldPkg = mPackages.get(packageName);
10275            oldPkgSetting = mSettings.mPackages.get(packageName);
10276            if((oldPkg == null) || (oldPkg.applicationInfo == null) ||
10277                    (oldPkgSetting == null)) {
10278                res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
10279                        "Couldn't find package:" + packageName + " information");
10280                return;
10281            }
10282        }
10283
10284        killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg");
10285
10286        res.removedInfo.uid = oldPkg.applicationInfo.uid;
10287        res.removedInfo.removedPackage = packageName;
10288        // Remove existing system package
10289        removePackageLI(oldPkgSetting, true);
10290        // writer
10291        synchronized (mPackages) {
10292            disabledSystem = mSettings.disableSystemPackageLPw(packageName);
10293            if (!disabledSystem && deletedPackage != null) {
10294                // We didn't need to disable the .apk as a current system package,
10295                // which means we are replacing another update that is already
10296                // installed.  We need to make sure to delete the older one's .apk.
10297                res.removedInfo.args = createInstallArgsForExisting(0,
10298                        deletedPackage.applicationInfo.getCodePath(),
10299                        deletedPackage.applicationInfo.getResourcePath(),
10300                        deletedPackage.applicationInfo.nativeLibraryRootDir,
10301                        getAppDexInstructionSets(deletedPackage.applicationInfo));
10302            } else {
10303                res.removedInfo.args = null;
10304            }
10305        }
10306
10307        // Successfully disabled the old package. Now proceed with re-installation
10308        deleteCodeCacheDirsLI(packageName);
10309
10310        res.returnCode = PackageManager.INSTALL_SUCCEEDED;
10311        pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
10312
10313        PackageParser.Package newPackage = null;
10314        try {
10315            newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user);
10316            if (newPackage.mExtras != null) {
10317                final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras;
10318                newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime;
10319                newPkgSetting.lastUpdateTime = System.currentTimeMillis();
10320
10321                // is the update attempting to change shared user? that isn't going to work...
10322                if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) {
10323                    res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
10324                            "Forbidding shared user change from " + oldPkgSetting.sharedUser
10325                            + " to " + newPkgSetting.sharedUser);
10326                    updatedSettings = true;
10327                }
10328            }
10329
10330            if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
10331                updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res);
10332                updatedSettings = true;
10333            }
10334
10335        } catch (PackageManagerException e) {
10336            res.setError("Package couldn't be installed in " + pkg.codePath, e);
10337        }
10338
10339        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
10340            // Re installation failed. Restore old information
10341            // Remove new pkg information
10342            if (newPackage != null) {
10343                removeInstalledPackageLI(newPackage, true);
10344            }
10345            // Add back the old system package
10346            try {
10347                scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user);
10348            } catch (PackageManagerException e) {
10349                Slog.e(TAG, "Failed to restore original package: " + e.getMessage());
10350            }
10351            // Restore the old system information in Settings
10352            synchronized (mPackages) {
10353                if (disabledSystem) {
10354                    mSettings.enableSystemPackageLPw(packageName);
10355                }
10356                if (updatedSettings) {
10357                    mSettings.setInstallerPackageName(packageName,
10358                            oldPkgSetting.installerPackageName);
10359                }
10360                mSettings.writeLPr();
10361            }
10362        }
10363    }
10364
10365    private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName,
10366            int[] allUsers, boolean[] perUserInstalled,
10367            PackageInstalledInfo res) {
10368        String pkgName = newPackage.packageName;
10369        synchronized (mPackages) {
10370            //write settings. the installStatus will be incomplete at this stage.
10371            //note that the new package setting would have already been
10372            //added to mPackages. It hasn't been persisted yet.
10373            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE);
10374            mSettings.writeLPr();
10375        }
10376
10377        if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath);
10378
10379        synchronized (mPackages) {
10380            updatePermissionsLPw(newPackage.packageName, newPackage,
10381                    UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0
10382                            ? UPDATE_PERMISSIONS_ALL : 0));
10383            // For system-bundled packages, we assume that installing an upgraded version
10384            // of the package implies that the user actually wants to run that new code,
10385            // so we enable the package.
10386            if (isSystemApp(newPackage)) {
10387                // NB: implicit assumption that system package upgrades apply to all users
10388                if (DEBUG_INSTALL) {
10389                    Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName);
10390                }
10391                PackageSetting ps = mSettings.mPackages.get(pkgName);
10392                if (ps != null) {
10393                    if (res.origUsers != null) {
10394                        for (int userHandle : res.origUsers) {
10395                            ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT,
10396                                    userHandle, installerPackageName);
10397                        }
10398                    }
10399                    // Also convey the prior install/uninstall state
10400                    if (allUsers != null && perUserInstalled != null) {
10401                        for (int i = 0; i < allUsers.length; i++) {
10402                            if (DEBUG_INSTALL) {
10403                                Slog.d(TAG, "    user " + allUsers[i]
10404                                        + " => " + perUserInstalled[i]);
10405                            }
10406                            ps.setInstalled(perUserInstalled[i], allUsers[i]);
10407                        }
10408                        // these install state changes will be persisted in the
10409                        // upcoming call to mSettings.writeLPr().
10410                    }
10411                }
10412            }
10413            res.name = pkgName;
10414            res.uid = newPackage.applicationInfo.uid;
10415            res.pkg = newPackage;
10416            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE);
10417            mSettings.setInstallerPackageName(pkgName, installerPackageName);
10418            res.returnCode = PackageManager.INSTALL_SUCCEEDED;
10419            //to update install status
10420            mSettings.writeLPr();
10421        }
10422    }
10423
10424    private void installPackageLI(InstallArgs args, PackageInstalledInfo res) {
10425        final int installFlags = args.installFlags;
10426        String installerPackageName = args.installerPackageName;
10427        File tmpPackageFile = new File(args.getCodePath());
10428        boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0);
10429        boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0);
10430        boolean replace = false;
10431        final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE;
10432        // Result object to be returned
10433        res.returnCode = PackageManager.INSTALL_SUCCEEDED;
10434
10435        if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile);
10436        // Retrieve PackageSettings and parse package
10437        final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY
10438                | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0)
10439                | (onSd ? PackageParser.PARSE_ON_SDCARD : 0);
10440        PackageParser pp = new PackageParser();
10441        pp.setSeparateProcesses(mSeparateProcesses);
10442        pp.setDisplayMetrics(mMetrics);
10443
10444        final PackageParser.Package pkg;
10445        try {
10446            pkg = pp.parsePackage(tmpPackageFile, parseFlags);
10447        } catch (PackageParserException e) {
10448            res.setError("Failed parse during installPackageLI", e);
10449            return;
10450        }
10451
10452        // Mark that we have an install time CPU ABI override.
10453        pkg.cpuAbiOverride = args.abiOverride;
10454
10455        String pkgName = res.name = pkg.packageName;
10456        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) {
10457            if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) {
10458                res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI");
10459                return;
10460            }
10461        }
10462
10463        try {
10464            pp.collectCertificates(pkg, parseFlags);
10465            pp.collectManifestDigest(pkg);
10466        } catch (PackageParserException e) {
10467            res.setError("Failed collect during installPackageLI", e);
10468            return;
10469        }
10470
10471        /* If the installer passed in a manifest digest, compare it now. */
10472        if (args.manifestDigest != null) {
10473            if (DEBUG_INSTALL) {
10474                final String parsedManifest = pkg.manifestDigest == null ? "null"
10475                        : pkg.manifestDigest.toString();
10476                Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. "
10477                        + parsedManifest);
10478            }
10479
10480            if (!args.manifestDigest.equals(pkg.manifestDigest)) {
10481                res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed");
10482                return;
10483            }
10484        } else if (DEBUG_INSTALL) {
10485            final String parsedManifest = pkg.manifestDigest == null
10486                    ? "null" : pkg.manifestDigest.toString();
10487            Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest);
10488        }
10489
10490        // Get rid of all references to package scan path via parser.
10491        pp = null;
10492        String oldCodePath = null;
10493        boolean systemApp = false;
10494        synchronized (mPackages) {
10495            // Check whether the newly-scanned package wants to define an already-defined perm
10496            int N = pkg.permissions.size();
10497            for (int i = N-1; i >= 0; i--) {
10498                PackageParser.Permission perm = pkg.permissions.get(i);
10499                BasePermission bp = mSettings.mPermissions.get(perm.info.name);
10500                if (bp != null) {
10501                    // If the defining package is signed with our cert, it's okay.  This
10502                    // also includes the "updating the same package" case, of course.
10503                    // "updating same package" could also involve key-rotation.
10504                    final boolean sigsOk;
10505                    if (!bp.sourcePackage.equals(pkg.packageName)
10506                            || !(bp.packageSetting instanceof PackageSetting)
10507                            || !bp.packageSetting.keySetData.isUsingUpgradeKeySets()
10508                            || ((PackageSetting) bp.packageSetting).sharedUser != null) {
10509                        sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures,
10510                                pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
10511                    } else {
10512                        sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg);
10513                    }
10514                    if (!sigsOk) {
10515                        // If the owning package is the system itself, we log but allow
10516                        // install to proceed; we fail the install on all other permission
10517                        // redefinitions.
10518                        if (!bp.sourcePackage.equals("android")) {
10519                            res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package "
10520                                    + pkg.packageName + " attempting to redeclare permission "
10521                                    + perm.info.name + " already owned by " + bp.sourcePackage);
10522                            res.origPermission = perm.info.name;
10523                            res.origPackage = bp.sourcePackage;
10524                            return;
10525                        } else {
10526                            Slog.w(TAG, "Package " + pkg.packageName
10527                                    + " attempting to redeclare system permission "
10528                                    + perm.info.name + "; ignoring new declaration");
10529                            pkg.permissions.remove(i);
10530                        }
10531                    }
10532                }
10533            }
10534
10535            // Check if installing already existing package
10536            if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
10537                String oldName = mSettings.mRenamedPackages.get(pkgName);
10538                if (pkg.mOriginalPackages != null
10539                        && pkg.mOriginalPackages.contains(oldName)
10540                        && mPackages.containsKey(oldName)) {
10541                    // This package is derived from an original package,
10542                    // and this device has been updating from that original
10543                    // name.  We must continue using the original name, so
10544                    // rename the new package here.
10545                    pkg.setPackageName(oldName);
10546                    pkgName = pkg.packageName;
10547                    replace = true;
10548                    if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName="
10549                            + oldName + " pkgName=" + pkgName);
10550                } else if (mPackages.containsKey(pkgName)) {
10551                    // This package, under its official name, already exists
10552                    // on the device; we should replace it.
10553                    replace = true;
10554                    if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName);
10555                }
10556            }
10557            PackageSetting ps = mSettings.mPackages.get(pkgName);
10558            if (ps != null) {
10559                if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps);
10560                oldCodePath = mSettings.mPackages.get(pkgName).codePathString;
10561                if (ps.pkg != null && ps.pkg.applicationInfo != null) {
10562                    systemApp = (ps.pkg.applicationInfo.flags &
10563                            ApplicationInfo.FLAG_SYSTEM) != 0;
10564                }
10565                res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
10566            }
10567        }
10568
10569        if (systemApp && onSd) {
10570            // Disable updates to system apps on sdcard
10571            res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION,
10572                    "Cannot install updates to system apps on sdcard");
10573            return;
10574        }
10575
10576        if (!args.doRename(res.returnCode, pkg, oldCodePath)) {
10577            res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename");
10578            return;
10579        }
10580
10581        if (replace) {
10582            replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user,
10583                    installerPackageName, res);
10584        } else {
10585            installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES,
10586                    args.user, installerPackageName, res);
10587        }
10588        synchronized (mPackages) {
10589            final PackageSetting ps = mSettings.mPackages.get(pkgName);
10590            if (ps != null) {
10591                res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
10592            }
10593        }
10594    }
10595
10596    private static boolean isForwardLocked(PackageParser.Package pkg) {
10597        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0;
10598    }
10599
10600    private static boolean isForwardLocked(ApplicationInfo info) {
10601        return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0;
10602    }
10603
10604    private boolean isForwardLocked(PackageSetting ps) {
10605        return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0;
10606    }
10607
10608    private static boolean isMultiArch(PackageSetting ps) {
10609        return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0;
10610    }
10611
10612    private static boolean isMultiArch(ApplicationInfo info) {
10613        return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0;
10614    }
10615
10616    private static boolean isExternal(PackageParser.Package pkg) {
10617        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
10618    }
10619
10620    private static boolean isExternal(PackageSetting ps) {
10621        return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
10622    }
10623
10624    private static boolean isExternal(ApplicationInfo info) {
10625        return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
10626    }
10627
10628    private static boolean isSystemApp(PackageParser.Package pkg) {
10629        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
10630    }
10631
10632    private static boolean isPrivilegedApp(PackageParser.Package pkg) {
10633        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0;
10634    }
10635
10636    private static boolean isSystemApp(ApplicationInfo info) {
10637        return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
10638    }
10639
10640    private static boolean isSystemApp(PackageSetting ps) {
10641        return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0;
10642    }
10643
10644    private static boolean isUpdatedSystemApp(PackageSetting ps) {
10645        return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
10646    }
10647
10648    private static boolean isUpdatedSystemApp(PackageParser.Package pkg) {
10649        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
10650    }
10651
10652    private static boolean isUpdatedSystemApp(ApplicationInfo info) {
10653        return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
10654    }
10655
10656    private int packageFlagsToInstallFlags(PackageSetting ps) {
10657        int installFlags = 0;
10658        if (isExternal(ps)) {
10659            installFlags |= PackageManager.INSTALL_EXTERNAL;
10660        }
10661        if (isForwardLocked(ps)) {
10662            installFlags |= PackageManager.INSTALL_FORWARD_LOCK;
10663        }
10664        return installFlags;
10665    }
10666
10667    private void deleteTempPackageFiles() {
10668        final FilenameFilter filter = new FilenameFilter() {
10669            public boolean accept(File dir, String name) {
10670                return name.startsWith("vmdl") && name.endsWith(".tmp");
10671            }
10672        };
10673        for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) {
10674            file.delete();
10675        }
10676    }
10677
10678    @Override
10679    public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId,
10680            int flags) {
10681        deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId,
10682                flags);
10683    }
10684
10685    @Override
10686    public void deletePackage(final String packageName,
10687            final IPackageDeleteObserver2 observer, final int userId, final int flags) {
10688        mContext.enforceCallingOrSelfPermission(
10689                android.Manifest.permission.DELETE_PACKAGES, null);
10690        final int uid = Binder.getCallingUid();
10691        if (UserHandle.getUserId(uid) != userId) {
10692            mContext.enforceCallingPermission(
10693                    android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
10694                    "deletePackage for user " + userId);
10695        }
10696        if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) {
10697            try {
10698                observer.onPackageDeleted(packageName,
10699                        PackageManager.DELETE_FAILED_USER_RESTRICTED, null);
10700            } catch (RemoteException re) {
10701            }
10702            return;
10703        }
10704
10705        boolean uninstallBlocked = false;
10706        if ((flags & PackageManager.DELETE_ALL_USERS) != 0) {
10707            int[] users = sUserManager.getUserIds();
10708            for (int i = 0; i < users.length; ++i) {
10709                if (getBlockUninstallForUser(packageName, users[i])) {
10710                    uninstallBlocked = true;
10711                    break;
10712                }
10713            }
10714        } else {
10715            uninstallBlocked = getBlockUninstallForUser(packageName, userId);
10716        }
10717        if (uninstallBlocked) {
10718            try {
10719                observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED,
10720                        null);
10721            } catch (RemoteException re) {
10722            }
10723            return;
10724        }
10725
10726        if (DEBUG_REMOVE) {
10727            Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId);
10728        }
10729        // Queue up an async operation since the package deletion may take a little while.
10730        mHandler.post(new Runnable() {
10731            public void run() {
10732                mHandler.removeCallbacks(this);
10733                final int returnCode = deletePackageX(packageName, userId, flags);
10734                if (observer != null) {
10735                    try {
10736                        observer.onPackageDeleted(packageName, returnCode, null);
10737                    } catch (RemoteException e) {
10738                        Log.i(TAG, "Observer no longer exists.");
10739                    } //end catch
10740                } //end if
10741            } //end run
10742        });
10743    }
10744
10745    private boolean isPackageDeviceAdmin(String packageName, int userId) {
10746        IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface(
10747                ServiceManager.getService(Context.DEVICE_POLICY_SERVICE));
10748        try {
10749            if (dpm != null) {
10750                if (dpm.isDeviceOwner(packageName)) {
10751                    return true;
10752                }
10753                int[] users;
10754                if (userId == UserHandle.USER_ALL) {
10755                    users = sUserManager.getUserIds();
10756                } else {
10757                    users = new int[]{userId};
10758                }
10759                for (int i = 0; i < users.length; ++i) {
10760                    if (dpm.packageHasActiveAdmins(packageName, users[i])) {
10761                        return true;
10762                    }
10763                }
10764            }
10765        } catch (RemoteException e) {
10766        }
10767        return false;
10768    }
10769
10770    /**
10771     *  This method is an internal method that could be get invoked either
10772     *  to delete an installed package or to clean up a failed installation.
10773     *  After deleting an installed package, a broadcast is sent to notify any
10774     *  listeners that the package has been installed. For cleaning up a failed
10775     *  installation, the broadcast is not necessary since the package's
10776     *  installation wouldn't have sent the initial broadcast either
10777     *  The key steps in deleting a package are
10778     *  deleting the package information in internal structures like mPackages,
10779     *  deleting the packages base directories through installd
10780     *  updating mSettings to reflect current status
10781     *  persisting settings for later use
10782     *  sending a broadcast if necessary
10783     */
10784    private int deletePackageX(String packageName, int userId, int flags) {
10785        final PackageRemovedInfo info = new PackageRemovedInfo();
10786        final boolean res;
10787
10788        final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0
10789                ? UserHandle.ALL : new UserHandle(userId);
10790
10791        if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) {
10792            Slog.w(TAG, "Not removing package " + packageName + ": has active device admin");
10793            return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER;
10794        }
10795
10796        boolean removedForAllUsers = false;
10797        boolean systemUpdate = false;
10798
10799        // for the uninstall-updates case and restricted profiles, remember the per-
10800        // userhandle installed state
10801        int[] allUsers;
10802        boolean[] perUserInstalled;
10803        synchronized (mPackages) {
10804            PackageSetting ps = mSettings.mPackages.get(packageName);
10805            allUsers = sUserManager.getUserIds();
10806            perUserInstalled = new boolean[allUsers.length];
10807            for (int i = 0; i < allUsers.length; i++) {
10808                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
10809            }
10810        }
10811
10812        synchronized (mInstallLock) {
10813            if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId);
10814            res = deletePackageLI(packageName, removeForUser,
10815                    true, allUsers, perUserInstalled,
10816                    flags | REMOVE_CHATTY, info, true);
10817            systemUpdate = info.isRemovedPackageSystemUpdate;
10818            if (res && !systemUpdate && mPackages.get(packageName) == null) {
10819                removedForAllUsers = true;
10820            }
10821            if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate
10822                    + " removedForAllUsers=" + removedForAllUsers);
10823        }
10824
10825        if (res) {
10826            info.sendBroadcast(true, systemUpdate, removedForAllUsers);
10827
10828            // If the removed package was a system update, the old system package
10829            // was re-enabled; we need to broadcast this information
10830            if (systemUpdate) {
10831                Bundle extras = new Bundle(1);
10832                extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0
10833                        ? info.removedAppId : info.uid);
10834                extras.putBoolean(Intent.EXTRA_REPLACING, true);
10835
10836                sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName,
10837                        extras, null, null, null);
10838                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName,
10839                        extras, null, null, null);
10840                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null,
10841                        null, packageName, null, null);
10842            }
10843        }
10844        // Force a gc here.
10845        Runtime.getRuntime().gc();
10846        // Delete the resources here after sending the broadcast to let
10847        // other processes clean up before deleting resources.
10848        if (info.args != null) {
10849            synchronized (mInstallLock) {
10850                info.args.doPostDeleteLI(true);
10851            }
10852        }
10853
10854        return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR;
10855    }
10856
10857    static class PackageRemovedInfo {
10858        String removedPackage;
10859        int uid = -1;
10860        int removedAppId = -1;
10861        int[] removedUsers = null;
10862        boolean isRemovedPackageSystemUpdate = false;
10863        // Clean up resources deleted packages.
10864        InstallArgs args = null;
10865
10866        void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) {
10867            Bundle extras = new Bundle(1);
10868            extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid);
10869            extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove);
10870            if (replacing) {
10871                extras.putBoolean(Intent.EXTRA_REPLACING, true);
10872            }
10873            extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers);
10874            if (removedPackage != null) {
10875                sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
10876                        extras, null, null, removedUsers);
10877                if (fullRemove && !replacing) {
10878                    sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage,
10879                            extras, null, null, removedUsers);
10880                }
10881            }
10882            if (removedAppId >= 0) {
10883                sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null,
10884                        removedUsers);
10885            }
10886        }
10887    }
10888
10889    /*
10890     * This method deletes the package from internal data structures. If the DONT_DELETE_DATA
10891     * flag is not set, the data directory is removed as well.
10892     * make sure this flag is set for partially installed apps. If not its meaningless to
10893     * delete a partially installed application.
10894     */
10895    private void removePackageDataLI(PackageSetting ps,
10896            int[] allUserHandles, boolean[] perUserInstalled,
10897            PackageRemovedInfo outInfo, int flags, boolean writeSettings) {
10898        String packageName = ps.name;
10899        if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps);
10900        removePackageLI(ps, (flags&REMOVE_CHATTY) != 0);
10901        // Retrieve object to delete permissions for shared user later on
10902        final PackageSetting deletedPs;
10903        // reader
10904        synchronized (mPackages) {
10905            deletedPs = mSettings.mPackages.get(packageName);
10906            if (outInfo != null) {
10907                outInfo.removedPackage = packageName;
10908                outInfo.removedUsers = deletedPs != null
10909                        ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true)
10910                        : null;
10911            }
10912        }
10913        if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
10914            removeDataDirsLI(packageName);
10915            schedulePackageCleaning(packageName, UserHandle.USER_ALL, true);
10916        }
10917        // writer
10918        synchronized (mPackages) {
10919            if (deletedPs != null) {
10920                if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
10921                    if (outInfo != null) {
10922                        mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName);
10923                        outInfo.removedAppId = mSettings.removePackageLPw(packageName);
10924                    }
10925                    if (deletedPs != null) {
10926                        updatePermissionsLPw(deletedPs.name, null, 0);
10927                        if (deletedPs.sharedUser != null) {
10928                            // remove permissions associated with package
10929                            mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids);
10930                        }
10931                    }
10932                    clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL);
10933                }
10934                // make sure to preserve per-user disabled state if this removal was just
10935                // a downgrade of a system app to the factory package
10936                if (allUserHandles != null && perUserInstalled != null) {
10937                    if (DEBUG_REMOVE) {
10938                        Slog.d(TAG, "Propagating install state across downgrade");
10939                    }
10940                    for (int i = 0; i < allUserHandles.length; i++) {
10941                        if (DEBUG_REMOVE) {
10942                            Slog.d(TAG, "    user " + allUserHandles[i]
10943                                    + " => " + perUserInstalled[i]);
10944                        }
10945                        ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
10946                    }
10947                }
10948            }
10949            // can downgrade to reader
10950            if (writeSettings) {
10951                // Save settings now
10952                mSettings.writeLPr();
10953            }
10954        }
10955        if (outInfo != null) {
10956            // A user ID was deleted here. Go through all users and remove it
10957            // from KeyStore.
10958            removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId);
10959        }
10960    }
10961
10962    static boolean locationIsPrivileged(File path) {
10963        try {
10964            final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app")
10965                    .getCanonicalPath();
10966            return path.getCanonicalPath().startsWith(privilegedAppDir);
10967        } catch (IOException e) {
10968            Slog.e(TAG, "Unable to access code path " + path);
10969        }
10970        return false;
10971    }
10972
10973    /*
10974     * Tries to delete system package.
10975     */
10976    private boolean deleteSystemPackageLI(PackageSetting newPs,
10977            int[] allUserHandles, boolean[] perUserInstalled,
10978            int flags, PackageRemovedInfo outInfo, boolean writeSettings) {
10979        final boolean applyUserRestrictions
10980                = (allUserHandles != null) && (perUserInstalled != null);
10981        PackageSetting disabledPs = null;
10982        // Confirm if the system package has been updated
10983        // An updated system app can be deleted. This will also have to restore
10984        // the system pkg from system partition
10985        // reader
10986        synchronized (mPackages) {
10987            disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name);
10988        }
10989        if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs
10990                + " disabledPs=" + disabledPs);
10991        if (disabledPs == null) {
10992            Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name);
10993            return false;
10994        } else if (DEBUG_REMOVE) {
10995            Slog.d(TAG, "Deleting system pkg from data partition");
10996        }
10997        if (DEBUG_REMOVE) {
10998            if (applyUserRestrictions) {
10999                Slog.d(TAG, "Remembering install states:");
11000                for (int i = 0; i < allUserHandles.length; i++) {
11001                    Slog.d(TAG, "   u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]);
11002                }
11003            }
11004        }
11005        // Delete the updated package
11006        outInfo.isRemovedPackageSystemUpdate = true;
11007        if (disabledPs.versionCode < newPs.versionCode) {
11008            // Delete data for downgrades
11009            flags &= ~PackageManager.DELETE_KEEP_DATA;
11010        } else {
11011            // Preserve data by setting flag
11012            flags |= PackageManager.DELETE_KEEP_DATA;
11013        }
11014        boolean ret = deleteInstalledPackageLI(newPs, true, flags,
11015                allUserHandles, perUserInstalled, outInfo, writeSettings);
11016        if (!ret) {
11017            return false;
11018        }
11019        // writer
11020        synchronized (mPackages) {
11021            // Reinstate the old system package
11022            mSettings.enableSystemPackageLPw(newPs.name);
11023            // Remove any native libraries from the upgraded package.
11024            NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString);
11025        }
11026        // Install the system package
11027        if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs);
11028        int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM;
11029        if (locationIsPrivileged(disabledPs.codePath)) {
11030            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
11031        }
11032
11033        final PackageParser.Package newPkg;
11034        try {
11035            newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null);
11036        } catch (PackageManagerException e) {
11037            Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage());
11038            return false;
11039        }
11040
11041        // writer
11042        synchronized (mPackages) {
11043            PackageSetting ps = mSettings.mPackages.get(newPkg.packageName);
11044            updatePermissionsLPw(newPkg.packageName, newPkg,
11045                    UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG);
11046            if (applyUserRestrictions) {
11047                if (DEBUG_REMOVE) {
11048                    Slog.d(TAG, "Propagating install state across reinstall");
11049                }
11050                for (int i = 0; i < allUserHandles.length; i++) {
11051                    if (DEBUG_REMOVE) {
11052                        Slog.d(TAG, "    user " + allUserHandles[i]
11053                                + " => " + perUserInstalled[i]);
11054                    }
11055                    ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
11056                }
11057                // Regardless of writeSettings we need to ensure that this restriction
11058                // state propagation is persisted
11059                mSettings.writeAllUsersPackageRestrictionsLPr();
11060            }
11061            // can downgrade to reader here
11062            if (writeSettings) {
11063                mSettings.writeLPr();
11064            }
11065        }
11066        return true;
11067    }
11068
11069    private boolean deleteInstalledPackageLI(PackageSetting ps,
11070            boolean deleteCodeAndResources, int flags,
11071            int[] allUserHandles, boolean[] perUserInstalled,
11072            PackageRemovedInfo outInfo, boolean writeSettings) {
11073        if (outInfo != null) {
11074            outInfo.uid = ps.appId;
11075        }
11076
11077        // Delete package data from internal structures and also remove data if flag is set
11078        removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings);
11079
11080        // Delete application code and resources
11081        if (deleteCodeAndResources && (outInfo != null)) {
11082            outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
11083                    ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString,
11084                    getAppDexInstructionSets(ps));
11085            if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args);
11086        }
11087        return true;
11088    }
11089
11090    @Override
11091    public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall,
11092            int userId) {
11093        mContext.enforceCallingOrSelfPermission(
11094                android.Manifest.permission.DELETE_PACKAGES, null);
11095        synchronized (mPackages) {
11096            PackageSetting ps = mSettings.mPackages.get(packageName);
11097            if (ps == null) {
11098                Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName);
11099                return false;
11100            }
11101            if (!ps.getInstalled(userId)) {
11102                // Can't block uninstall for an app that is not installed or enabled.
11103                Log.i(TAG, "Package not installed in set block uninstall " + packageName);
11104                return false;
11105            }
11106            ps.setBlockUninstall(blockUninstall, userId);
11107            mSettings.writePackageRestrictionsLPr(userId);
11108        }
11109        return true;
11110    }
11111
11112    @Override
11113    public boolean getBlockUninstallForUser(String packageName, int userId) {
11114        synchronized (mPackages) {
11115            PackageSetting ps = mSettings.mPackages.get(packageName);
11116            if (ps == null) {
11117                Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName);
11118                return false;
11119            }
11120            return ps.getBlockUninstall(userId);
11121        }
11122    }
11123
11124    /*
11125     * This method handles package deletion in general
11126     */
11127    private boolean deletePackageLI(String packageName, UserHandle user,
11128            boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled,
11129            int flags, PackageRemovedInfo outInfo,
11130            boolean writeSettings) {
11131        if (packageName == null) {
11132            Slog.w(TAG, "Attempt to delete null packageName.");
11133            return false;
11134        }
11135        if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user);
11136        PackageSetting ps;
11137        boolean dataOnly = false;
11138        int removeUser = -1;
11139        int appId = -1;
11140        synchronized (mPackages) {
11141            ps = mSettings.mPackages.get(packageName);
11142            if (ps == null) {
11143                Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
11144                return false;
11145            }
11146            if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null
11147                    && user.getIdentifier() != UserHandle.USER_ALL) {
11148                // The caller is asking that the package only be deleted for a single
11149                // user.  To do this, we just mark its uninstalled state and delete
11150                // its data.  If this is a system app, we only allow this to happen if
11151                // they have set the special DELETE_SYSTEM_APP which requests different
11152                // semantics than normal for uninstalling system apps.
11153                if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user");
11154                ps.setUserState(user.getIdentifier(),
11155                        COMPONENT_ENABLED_STATE_DEFAULT,
11156                        false, //installed
11157                        true,  //stopped
11158                        true,  //notLaunched
11159                        false, //hidden
11160                        null, null, null,
11161                        false // blockUninstall
11162                        );
11163                if (!isSystemApp(ps)) {
11164                    if (ps.isAnyInstalled(sUserManager.getUserIds())) {
11165                        // Other user still have this package installed, so all
11166                        // we need to do is clear this user's data and save that
11167                        // it is uninstalled.
11168                        if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users");
11169                        removeUser = user.getIdentifier();
11170                        appId = ps.appId;
11171                        mSettings.writePackageRestrictionsLPr(removeUser);
11172                    } else {
11173                        // We need to set it back to 'installed' so the uninstall
11174                        // broadcasts will be sent correctly.
11175                        if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete");
11176                        ps.setInstalled(true, user.getIdentifier());
11177                    }
11178                } else {
11179                    // This is a system app, so we assume that the
11180                    // other users still have this package installed, so all
11181                    // we need to do is clear this user's data and save that
11182                    // it is uninstalled.
11183                    if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app");
11184                    removeUser = user.getIdentifier();
11185                    appId = ps.appId;
11186                    mSettings.writePackageRestrictionsLPr(removeUser);
11187                }
11188            }
11189        }
11190
11191        if (removeUser >= 0) {
11192            // From above, we determined that we are deleting this only
11193            // for a single user.  Continue the work here.
11194            if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser);
11195            if (outInfo != null) {
11196                outInfo.removedPackage = packageName;
11197                outInfo.removedAppId = appId;
11198                outInfo.removedUsers = new int[] {removeUser};
11199            }
11200            mInstaller.clearUserData(packageName, removeUser);
11201            removeKeystoreDataIfNeeded(removeUser, appId);
11202            schedulePackageCleaning(packageName, removeUser, false);
11203            return true;
11204        }
11205
11206        if (dataOnly) {
11207            // Delete application data first
11208            if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only");
11209            removePackageDataLI(ps, null, null, outInfo, flags, writeSettings);
11210            return true;
11211        }
11212
11213        boolean ret = false;
11214        if (isSystemApp(ps)) {
11215            if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name);
11216            // When an updated system application is deleted we delete the existing resources as well and
11217            // fall back to existing code in system partition
11218            ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled,
11219                    flags, outInfo, writeSettings);
11220        } else {
11221            if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name);
11222            // Kill application pre-emptively especially for apps on sd.
11223            killApplication(packageName, ps.appId, "uninstall pkg");
11224            ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags,
11225                    allUserHandles, perUserInstalled,
11226                    outInfo, writeSettings);
11227        }
11228
11229        return ret;
11230    }
11231
11232    private final class ClearStorageConnection implements ServiceConnection {
11233        IMediaContainerService mContainerService;
11234
11235        @Override
11236        public void onServiceConnected(ComponentName name, IBinder service) {
11237            synchronized (this) {
11238                mContainerService = IMediaContainerService.Stub.asInterface(service);
11239                notifyAll();
11240            }
11241        }
11242
11243        @Override
11244        public void onServiceDisconnected(ComponentName name) {
11245        }
11246    }
11247
11248    private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) {
11249        final boolean mounted;
11250        if (Environment.isExternalStorageEmulated()) {
11251            mounted = true;
11252        } else {
11253            final String status = Environment.getExternalStorageState();
11254
11255            mounted = status.equals(Environment.MEDIA_MOUNTED)
11256                    || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY);
11257        }
11258
11259        if (!mounted) {
11260            return;
11261        }
11262
11263        final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
11264        int[] users;
11265        if (userId == UserHandle.USER_ALL) {
11266            users = sUserManager.getUserIds();
11267        } else {
11268            users = new int[] { userId };
11269        }
11270        final ClearStorageConnection conn = new ClearStorageConnection();
11271        if (mContext.bindServiceAsUser(
11272                containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) {
11273            try {
11274                for (int curUser : users) {
11275                    long timeout = SystemClock.uptimeMillis() + 5000;
11276                    synchronized (conn) {
11277                        long now = SystemClock.uptimeMillis();
11278                        while (conn.mContainerService == null && now < timeout) {
11279                            try {
11280                                conn.wait(timeout - now);
11281                            } catch (InterruptedException e) {
11282                            }
11283                        }
11284                    }
11285                    if (conn.mContainerService == null) {
11286                        return;
11287                    }
11288
11289                    final UserEnvironment userEnv = new UserEnvironment(curUser);
11290                    clearDirectory(conn.mContainerService,
11291                            userEnv.buildExternalStorageAppCacheDirs(packageName));
11292                    if (allData) {
11293                        clearDirectory(conn.mContainerService,
11294                                userEnv.buildExternalStorageAppDataDirs(packageName));
11295                        clearDirectory(conn.mContainerService,
11296                                userEnv.buildExternalStorageAppMediaDirs(packageName));
11297                    }
11298                }
11299            } finally {
11300                mContext.unbindService(conn);
11301            }
11302        }
11303    }
11304
11305    @Override
11306    public void clearApplicationUserData(final String packageName,
11307            final IPackageDataObserver observer, final int userId) {
11308        mContext.enforceCallingOrSelfPermission(
11309                android.Manifest.permission.CLEAR_APP_USER_DATA, null);
11310        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data");
11311        // Queue up an async operation since the package deletion may take a little while.
11312        mHandler.post(new Runnable() {
11313            public void run() {
11314                mHandler.removeCallbacks(this);
11315                final boolean succeeded;
11316                synchronized (mInstallLock) {
11317                    succeeded = clearApplicationUserDataLI(packageName, userId);
11318                }
11319                clearExternalStorageDataSync(packageName, userId, true);
11320                if (succeeded) {
11321                    // invoke DeviceStorageMonitor's update method to clear any notifications
11322                    DeviceStorageMonitorInternal
11323                            dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
11324                    if (dsm != null) {
11325                        dsm.checkMemory();
11326                    }
11327                }
11328                if(observer != null) {
11329                    try {
11330                        observer.onRemoveCompleted(packageName, succeeded);
11331                    } catch (RemoteException e) {
11332                        Log.i(TAG, "Observer no longer exists.");
11333                    }
11334                } //end if observer
11335            } //end run
11336        });
11337    }
11338
11339    private boolean clearApplicationUserDataLI(String packageName, int userId) {
11340        if (packageName == null) {
11341            Slog.w(TAG, "Attempt to delete null packageName.");
11342            return false;
11343        }
11344
11345        // Try finding details about the requested package
11346        PackageParser.Package pkg;
11347        synchronized (mPackages) {
11348            pkg = mPackages.get(packageName);
11349            if (pkg == null) {
11350                final PackageSetting ps = mSettings.mPackages.get(packageName);
11351                if (ps != null) {
11352                    pkg = ps.pkg;
11353                }
11354            }
11355        }
11356
11357        if (pkg == null) {
11358            Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
11359        }
11360
11361        // Always delete data directories for package, even if we found no other
11362        // record of app. This helps users recover from UID mismatches without
11363        // resorting to a full data wipe.
11364        int retCode = mInstaller.clearUserData(packageName, userId);
11365        if (retCode < 0) {
11366            Slog.w(TAG, "Couldn't remove cache files for package: " + packageName);
11367            return false;
11368        }
11369
11370        if (pkg == null) {
11371            return false;
11372        }
11373
11374        if (pkg != null && pkg.applicationInfo != null) {
11375            final int appId = pkg.applicationInfo.uid;
11376            removeKeystoreDataIfNeeded(userId, appId);
11377        }
11378
11379        // Create a native library symlink only if we have native libraries
11380        // and if the native libraries are 32 bit libraries. We do not provide
11381        // this symlink for 64 bit libraries.
11382        if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null &&
11383                !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
11384            final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
11385            if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) {
11386                Slog.w(TAG, "Failed linking native library dir");
11387                return false;
11388            }
11389        }
11390
11391        return true;
11392    }
11393
11394    /**
11395     * Remove entries from the keystore daemon. Will only remove it if the
11396     * {@code appId} is valid.
11397     */
11398    private static void removeKeystoreDataIfNeeded(int userId, int appId) {
11399        if (appId < 0) {
11400            return;
11401        }
11402
11403        final KeyStore keyStore = KeyStore.getInstance();
11404        if (keyStore != null) {
11405            if (userId == UserHandle.USER_ALL) {
11406                for (final int individual : sUserManager.getUserIds()) {
11407                    keyStore.clearUid(UserHandle.getUid(individual, appId));
11408                }
11409            } else {
11410                keyStore.clearUid(UserHandle.getUid(userId, appId));
11411            }
11412        } else {
11413            Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId);
11414        }
11415    }
11416
11417    @Override
11418    public void deleteApplicationCacheFiles(final String packageName,
11419            final IPackageDataObserver observer) {
11420        mContext.enforceCallingOrSelfPermission(
11421                android.Manifest.permission.DELETE_CACHE_FILES, null);
11422        // Queue up an async operation since the package deletion may take a little while.
11423        final int userId = UserHandle.getCallingUserId();
11424        mHandler.post(new Runnable() {
11425            public void run() {
11426                mHandler.removeCallbacks(this);
11427                final boolean succeded;
11428                synchronized (mInstallLock) {
11429                    succeded = deleteApplicationCacheFilesLI(packageName, userId);
11430                }
11431                clearExternalStorageDataSync(packageName, userId, false);
11432                if(observer != null) {
11433                    try {
11434                        observer.onRemoveCompleted(packageName, succeded);
11435                    } catch (RemoteException e) {
11436                        Log.i(TAG, "Observer no longer exists.");
11437                    }
11438                } //end if observer
11439            } //end run
11440        });
11441    }
11442
11443    private boolean deleteApplicationCacheFilesLI(String packageName, int userId) {
11444        if (packageName == null) {
11445            Slog.w(TAG, "Attempt to delete null packageName.");
11446            return false;
11447        }
11448        PackageParser.Package p;
11449        synchronized (mPackages) {
11450            p = mPackages.get(packageName);
11451        }
11452        if (p == null) {
11453            Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
11454            return false;
11455        }
11456        final ApplicationInfo applicationInfo = p.applicationInfo;
11457        if (applicationInfo == null) {
11458            Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
11459            return false;
11460        }
11461        int retCode = mInstaller.deleteCacheFiles(packageName, userId);
11462        if (retCode < 0) {
11463            Slog.w(TAG, "Couldn't remove cache files for package: "
11464                       + packageName + " u" + userId);
11465            return false;
11466        }
11467        return true;
11468    }
11469
11470    @Override
11471    public void getPackageSizeInfo(final String packageName, int userHandle,
11472            final IPackageStatsObserver observer) {
11473        mContext.enforceCallingOrSelfPermission(
11474                android.Manifest.permission.GET_PACKAGE_SIZE, null);
11475        if (packageName == null) {
11476            throw new IllegalArgumentException("Attempt to get size of null packageName");
11477        }
11478
11479        PackageStats stats = new PackageStats(packageName, userHandle);
11480
11481        /*
11482         * Queue up an async operation since the package measurement may take a
11483         * little while.
11484         */
11485        Message msg = mHandler.obtainMessage(INIT_COPY);
11486        msg.obj = new MeasureParams(stats, observer);
11487        mHandler.sendMessage(msg);
11488    }
11489
11490    private boolean getPackageSizeInfoLI(String packageName, int userHandle,
11491            PackageStats pStats) {
11492        if (packageName == null) {
11493            Slog.w(TAG, "Attempt to get size of null packageName.");
11494            return false;
11495        }
11496        PackageParser.Package p;
11497        boolean dataOnly = false;
11498        String libDirRoot = null;
11499        String asecPath = null;
11500        PackageSetting ps = null;
11501        synchronized (mPackages) {
11502            p = mPackages.get(packageName);
11503            ps = mSettings.mPackages.get(packageName);
11504            if(p == null) {
11505                dataOnly = true;
11506                if((ps == null) || (ps.pkg == null)) {
11507                    Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
11508                    return false;
11509                }
11510                p = ps.pkg;
11511            }
11512            if (ps != null) {
11513                libDirRoot = ps.legacyNativeLibraryPathString;
11514            }
11515            if (p != null && (isExternal(p) || isForwardLocked(p))) {
11516                String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath());
11517                if (secureContainerId != null) {
11518                    asecPath = PackageHelper.getSdFilesystem(secureContainerId);
11519                }
11520            }
11521        }
11522        String publicSrcDir = null;
11523        if(!dataOnly) {
11524            final ApplicationInfo applicationInfo = p.applicationInfo;
11525            if (applicationInfo == null) {
11526                Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
11527                return false;
11528            }
11529            if (isForwardLocked(p)) {
11530                publicSrcDir = applicationInfo.getBaseResourcePath();
11531            }
11532        }
11533        // TODO: extend to measure size of split APKs
11534        // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree,
11535        // not just the first level.
11536        // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not
11537        // just the primary.
11538        String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps));
11539        int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot,
11540                publicSrcDir, asecPath, dexCodeInstructionSets, pStats);
11541        if (res < 0) {
11542            return false;
11543        }
11544
11545        // Fix-up for forward-locked applications in ASEC containers.
11546        if (!isExternal(p)) {
11547            pStats.codeSize += pStats.externalCodeSize;
11548            pStats.externalCodeSize = 0L;
11549        }
11550
11551        return true;
11552    }
11553
11554
11555    @Override
11556    public void addPackageToPreferred(String packageName) {
11557        Slog.w(TAG, "addPackageToPreferred: this is now a no-op");
11558    }
11559
11560    @Override
11561    public void removePackageFromPreferred(String packageName) {
11562        Slog.w(TAG, "removePackageFromPreferred: this is now a no-op");
11563    }
11564
11565    @Override
11566    public List<PackageInfo> getPreferredPackages(int flags) {
11567        return new ArrayList<PackageInfo>();
11568    }
11569
11570    private int getUidTargetSdkVersionLockedLPr(int uid) {
11571        Object obj = mSettings.getUserIdLPr(uid);
11572        if (obj instanceof SharedUserSetting) {
11573            final SharedUserSetting sus = (SharedUserSetting) obj;
11574            int vers = Build.VERSION_CODES.CUR_DEVELOPMENT;
11575            final Iterator<PackageSetting> it = sus.packages.iterator();
11576            while (it.hasNext()) {
11577                final PackageSetting ps = it.next();
11578                if (ps.pkg != null) {
11579                    int v = ps.pkg.applicationInfo.targetSdkVersion;
11580                    if (v < vers) vers = v;
11581                }
11582            }
11583            return vers;
11584        } else if (obj instanceof PackageSetting) {
11585            final PackageSetting ps = (PackageSetting) obj;
11586            if (ps.pkg != null) {
11587                return ps.pkg.applicationInfo.targetSdkVersion;
11588            }
11589        }
11590        return Build.VERSION_CODES.CUR_DEVELOPMENT;
11591    }
11592
11593    @Override
11594    public void addPreferredActivity(IntentFilter filter, int match,
11595            ComponentName[] set, ComponentName activity, int userId) {
11596        addPreferredActivityInternal(filter, match, set, activity, true, userId,
11597                "Adding preferred");
11598    }
11599
11600    private void addPreferredActivityInternal(IntentFilter filter, int match,
11601            ComponentName[] set, ComponentName activity, boolean always, int userId,
11602            String opname) {
11603        // writer
11604        int callingUid = Binder.getCallingUid();
11605        enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity");
11606        if (filter.countActions() == 0) {
11607            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
11608            return;
11609        }
11610        synchronized (mPackages) {
11611            if (mContext.checkCallingOrSelfPermission(
11612                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
11613                    != PackageManager.PERMISSION_GRANTED) {
11614                if (getUidTargetSdkVersionLockedLPr(callingUid)
11615                        < Build.VERSION_CODES.FROYO) {
11616                    Slog.w(TAG, "Ignoring addPreferredActivity() from uid "
11617                            + callingUid);
11618                    return;
11619                }
11620                mContext.enforceCallingOrSelfPermission(
11621                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11622            }
11623
11624            PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId);
11625            Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user "
11626                    + userId + ":");
11627            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
11628            pir.addFilter(new PreferredActivity(filter, match, set, activity, always));
11629            mSettings.writePackageRestrictionsLPr(userId);
11630        }
11631    }
11632
11633    @Override
11634    public void replacePreferredActivity(IntentFilter filter, int match,
11635            ComponentName[] set, ComponentName activity, int userId) {
11636        if (filter.countActions() != 1) {
11637            throw new IllegalArgumentException(
11638                    "replacePreferredActivity expects filter to have only 1 action.");
11639        }
11640        if (filter.countDataAuthorities() != 0
11641                || filter.countDataPaths() != 0
11642                || filter.countDataSchemes() > 1
11643                || filter.countDataTypes() != 0) {
11644            throw new IllegalArgumentException(
11645                    "replacePreferredActivity expects filter to have no data authorities, " +
11646                    "paths, or types; and at most one scheme.");
11647        }
11648
11649        final int callingUid = Binder.getCallingUid();
11650        enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity");
11651        synchronized (mPackages) {
11652            if (mContext.checkCallingOrSelfPermission(
11653                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
11654                    != PackageManager.PERMISSION_GRANTED) {
11655                if (getUidTargetSdkVersionLockedLPr(callingUid)
11656                        < Build.VERSION_CODES.FROYO) {
11657                    Slog.w(TAG, "Ignoring replacePreferredActivity() from uid "
11658                            + Binder.getCallingUid());
11659                    return;
11660                }
11661                mContext.enforceCallingOrSelfPermission(
11662                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11663            }
11664
11665            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
11666            if (pir != null) {
11667                // Get all of the existing entries that exactly match this filter.
11668                ArrayList<PreferredActivity> existing = pir.findFilters(filter);
11669                if (existing != null && existing.size() == 1) {
11670                    PreferredActivity cur = existing.get(0);
11671                    if (DEBUG_PREFERRED) {
11672                        Slog.i(TAG, "Checking replace of preferred:");
11673                        filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
11674                        if (!cur.mPref.mAlways) {
11675                            Slog.i(TAG, "  -- CUR; not mAlways!");
11676                        } else {
11677                            Slog.i(TAG, "  -- CUR: mMatch=" + cur.mPref.mMatch);
11678                            Slog.i(TAG, "  -- CUR: mSet="
11679                                    + Arrays.toString(cur.mPref.mSetComponents));
11680                            Slog.i(TAG, "  -- CUR: mComponent=" + cur.mPref.mShortComponent);
11681                            Slog.i(TAG, "  -- NEW: mMatch="
11682                                    + (match&IntentFilter.MATCH_CATEGORY_MASK));
11683                            Slog.i(TAG, "  -- CUR: mSet=" + Arrays.toString(set));
11684                            Slog.i(TAG, "  -- CUR: mComponent=" + activity.flattenToShortString());
11685                        }
11686                    }
11687                    if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity)
11688                            && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK)
11689                            && cur.mPref.sameSet(set)) {
11690                        // Setting the preferred activity to what it happens to be already
11691                        if (DEBUG_PREFERRED) {
11692                            Slog.i(TAG, "Replacing with same preferred activity "
11693                                    + cur.mPref.mShortComponent + " for user "
11694                                    + userId + ":");
11695                            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
11696                        }
11697                        return;
11698                    }
11699                }
11700
11701                if (existing != null) {
11702                    if (DEBUG_PREFERRED) {
11703                        Slog.i(TAG, existing.size() + " existing preferred matches for:");
11704                        filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
11705                    }
11706                    for (int i = 0; i < existing.size(); i++) {
11707                        PreferredActivity pa = existing.get(i);
11708                        if (DEBUG_PREFERRED) {
11709                            Slog.i(TAG, "Removing existing preferred activity "
11710                                    + pa.mPref.mComponent + ":");
11711                            pa.dump(new LogPrinter(Log.INFO, TAG), "  ");
11712                        }
11713                        pir.removeFilter(pa);
11714                    }
11715                }
11716            }
11717            addPreferredActivityInternal(filter, match, set, activity, true, userId,
11718                    "Replacing preferred");
11719        }
11720    }
11721
11722    @Override
11723    public void clearPackagePreferredActivities(String packageName) {
11724        final int uid = Binder.getCallingUid();
11725        // writer
11726        synchronized (mPackages) {
11727            PackageParser.Package pkg = mPackages.get(packageName);
11728            if (pkg == null || pkg.applicationInfo.uid != uid) {
11729                if (mContext.checkCallingOrSelfPermission(
11730                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
11731                        != PackageManager.PERMISSION_GRANTED) {
11732                    if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid())
11733                            < Build.VERSION_CODES.FROYO) {
11734                        Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid "
11735                                + Binder.getCallingUid());
11736                        return;
11737                    }
11738                    mContext.enforceCallingOrSelfPermission(
11739                            android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11740                }
11741            }
11742
11743            int user = UserHandle.getCallingUserId();
11744            if (clearPackagePreferredActivitiesLPw(packageName, user)) {
11745                mSettings.writePackageRestrictionsLPr(user);
11746                scheduleWriteSettingsLocked();
11747            }
11748        }
11749    }
11750
11751    /** This method takes a specific user id as well as UserHandle.USER_ALL. */
11752    boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) {
11753        ArrayList<PreferredActivity> removed = null;
11754        boolean changed = false;
11755        for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
11756            final int thisUserId = mSettings.mPreferredActivities.keyAt(i);
11757            PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
11758            if (userId != UserHandle.USER_ALL && userId != thisUserId) {
11759                continue;
11760            }
11761            Iterator<PreferredActivity> it = pir.filterIterator();
11762            while (it.hasNext()) {
11763                PreferredActivity pa = it.next();
11764                // Mark entry for removal only if it matches the package name
11765                // and the entry is of type "always".
11766                if (packageName == null ||
11767                        (pa.mPref.mComponent.getPackageName().equals(packageName)
11768                                && pa.mPref.mAlways)) {
11769                    if (removed == null) {
11770                        removed = new ArrayList<PreferredActivity>();
11771                    }
11772                    removed.add(pa);
11773                }
11774            }
11775            if (removed != null) {
11776                for (int j=0; j<removed.size(); j++) {
11777                    PreferredActivity pa = removed.get(j);
11778                    pir.removeFilter(pa);
11779                }
11780                changed = true;
11781            }
11782        }
11783        return changed;
11784    }
11785
11786    @Override
11787    public void resetPreferredActivities(int userId) {
11788        /* TODO: Actually use userId. Why is it being passed in? */
11789        mContext.enforceCallingOrSelfPermission(
11790                android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11791        // writer
11792        synchronized (mPackages) {
11793            int user = UserHandle.getCallingUserId();
11794            clearPackagePreferredActivitiesLPw(null, user);
11795            mSettings.readDefaultPreferredAppsLPw(this, user);
11796            mSettings.writePackageRestrictionsLPr(user);
11797            scheduleWriteSettingsLocked();
11798        }
11799    }
11800
11801    @Override
11802    public int getPreferredActivities(List<IntentFilter> outFilters,
11803            List<ComponentName> outActivities, String packageName) {
11804
11805        int num = 0;
11806        final int userId = UserHandle.getCallingUserId();
11807        // reader
11808        synchronized (mPackages) {
11809            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
11810            if (pir != null) {
11811                final Iterator<PreferredActivity> it = pir.filterIterator();
11812                while (it.hasNext()) {
11813                    final PreferredActivity pa = it.next();
11814                    if (packageName == null
11815                            || (pa.mPref.mComponent.getPackageName().equals(packageName)
11816                                    && pa.mPref.mAlways)) {
11817                        if (outFilters != null) {
11818                            outFilters.add(new IntentFilter(pa));
11819                        }
11820                        if (outActivities != null) {
11821                            outActivities.add(pa.mPref.mComponent);
11822                        }
11823                    }
11824                }
11825            }
11826        }
11827
11828        return num;
11829    }
11830
11831    @Override
11832    public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity,
11833            int userId) {
11834        int callingUid = Binder.getCallingUid();
11835        if (callingUid != Process.SYSTEM_UID) {
11836            throw new SecurityException(
11837                    "addPersistentPreferredActivity can only be run by the system");
11838        }
11839        if (filter.countActions() == 0) {
11840            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
11841            return;
11842        }
11843        synchronized (mPackages) {
11844            Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId +
11845                    " :");
11846            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
11847            mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter(
11848                    new PersistentPreferredActivity(filter, activity));
11849            mSettings.writePackageRestrictionsLPr(userId);
11850        }
11851    }
11852
11853    @Override
11854    public void clearPackagePersistentPreferredActivities(String packageName, int userId) {
11855        int callingUid = Binder.getCallingUid();
11856        if (callingUid != Process.SYSTEM_UID) {
11857            throw new SecurityException(
11858                    "clearPackagePersistentPreferredActivities can only be run by the system");
11859        }
11860        ArrayList<PersistentPreferredActivity> removed = null;
11861        boolean changed = false;
11862        synchronized (mPackages) {
11863            for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) {
11864                final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i);
11865                PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
11866                        .valueAt(i);
11867                if (userId != thisUserId) {
11868                    continue;
11869                }
11870                Iterator<PersistentPreferredActivity> it = ppir.filterIterator();
11871                while (it.hasNext()) {
11872                    PersistentPreferredActivity ppa = it.next();
11873                    // Mark entry for removal only if it matches the package name.
11874                    if (ppa.mComponent.getPackageName().equals(packageName)) {
11875                        if (removed == null) {
11876                            removed = new ArrayList<PersistentPreferredActivity>();
11877                        }
11878                        removed.add(ppa);
11879                    }
11880                }
11881                if (removed != null) {
11882                    for (int j=0; j<removed.size(); j++) {
11883                        PersistentPreferredActivity ppa = removed.get(j);
11884                        ppir.removeFilter(ppa);
11885                    }
11886                    changed = true;
11887                }
11888            }
11889
11890            if (changed) {
11891                mSettings.writePackageRestrictionsLPr(userId);
11892            }
11893        }
11894    }
11895
11896    @Override
11897    public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage,
11898            int ownerUserId, int sourceUserId, int targetUserId, int flags) {
11899        mContext.enforceCallingOrSelfPermission(
11900                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
11901        int callingUid = Binder.getCallingUid();
11902        enforceOwnerRights(ownerPackage, ownerUserId, callingUid);
11903        enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId);
11904        if (intentFilter.countActions() == 0) {
11905            Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions");
11906            return;
11907        }
11908        synchronized (mPackages) {
11909            CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter,
11910                    ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags);
11911            mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter);
11912            mSettings.writePackageRestrictionsLPr(sourceUserId);
11913        }
11914    }
11915
11916    @Override
11917    public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage,
11918            int ownerUserId) {
11919        mContext.enforceCallingOrSelfPermission(
11920                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
11921        int callingUid = Binder.getCallingUid();
11922        enforceOwnerRights(ownerPackage, ownerUserId, callingUid);
11923        enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId);
11924        int callingUserId = UserHandle.getUserId(callingUid);
11925        synchronized (mPackages) {
11926            CrossProfileIntentResolver resolver =
11927                    mSettings.editCrossProfileIntentResolverLPw(sourceUserId);
11928            HashSet<CrossProfileIntentFilter> set =
11929                    new HashSet<CrossProfileIntentFilter>(resolver.filterSet());
11930            for (CrossProfileIntentFilter filter : set) {
11931                if (filter.getOwnerPackage().equals(ownerPackage)
11932                        && filter.getOwnerUserId() == callingUserId) {
11933                    resolver.removeFilter(filter);
11934                }
11935            }
11936            mSettings.writePackageRestrictionsLPr(sourceUserId);
11937        }
11938    }
11939
11940    // Enforcing that callingUid is owning pkg on userId
11941    private void enforceOwnerRights(String pkg, int userId, int callingUid) {
11942        // The system owns everything.
11943        if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) {
11944            return;
11945        }
11946        int callingUserId = UserHandle.getUserId(callingUid);
11947        if (callingUserId != userId) {
11948            throw new SecurityException("calling uid " + callingUid
11949                    + " pretends to own " + pkg + " on user " + userId + " but belongs to user "
11950                    + callingUserId);
11951        }
11952        PackageInfo pi = getPackageInfo(pkg, 0, callingUserId);
11953        if (pi == null) {
11954            throw new IllegalArgumentException("Unknown package " + pkg + " on user "
11955                    + callingUserId);
11956        }
11957        if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) {
11958            throw new SecurityException("Calling uid " + callingUid
11959                    + " does not own package " + pkg);
11960        }
11961    }
11962
11963    @Override
11964    public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) {
11965        Intent intent = new Intent(Intent.ACTION_MAIN);
11966        intent.addCategory(Intent.CATEGORY_HOME);
11967
11968        final int callingUserId = UserHandle.getCallingUserId();
11969        List<ResolveInfo> list = queryIntentActivities(intent, null,
11970                PackageManager.GET_META_DATA, callingUserId);
11971        ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0,
11972                true, false, false, callingUserId);
11973
11974        allHomeCandidates.clear();
11975        if (list != null) {
11976            for (ResolveInfo ri : list) {
11977                allHomeCandidates.add(ri);
11978            }
11979        }
11980        return (preferred == null || preferred.activityInfo == null)
11981                ? null
11982                : new ComponentName(preferred.activityInfo.packageName,
11983                        preferred.activityInfo.name);
11984    }
11985
11986    @Override
11987    public void setApplicationEnabledSetting(String appPackageName,
11988            int newState, int flags, int userId, String callingPackage) {
11989        if (!sUserManager.exists(userId)) return;
11990        if (callingPackage == null) {
11991            callingPackage = Integer.toString(Binder.getCallingUid());
11992        }
11993        setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage);
11994    }
11995
11996    @Override
11997    public void setComponentEnabledSetting(ComponentName componentName,
11998            int newState, int flags, int userId) {
11999        if (!sUserManager.exists(userId)) return;
12000        setEnabledSetting(componentName.getPackageName(),
12001                componentName.getClassName(), newState, flags, userId, null);
12002    }
12003
12004    private void setEnabledSetting(final String packageName, String className, int newState,
12005            final int flags, int userId, String callingPackage) {
12006        if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT
12007              || newState == COMPONENT_ENABLED_STATE_ENABLED
12008              || newState == COMPONENT_ENABLED_STATE_DISABLED
12009              || newState == COMPONENT_ENABLED_STATE_DISABLED_USER
12010              || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) {
12011            throw new IllegalArgumentException("Invalid new component state: "
12012                    + newState);
12013        }
12014        PackageSetting pkgSetting;
12015        final int uid = Binder.getCallingUid();
12016        final int permission = mContext.checkCallingOrSelfPermission(
12017                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
12018        enforceCrossUserPermission(uid, userId, false, true, "set enabled");
12019        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
12020        boolean sendNow = false;
12021        boolean isApp = (className == null);
12022        String componentName = isApp ? packageName : className;
12023        int packageUid = -1;
12024        ArrayList<String> components;
12025
12026        // writer
12027        synchronized (mPackages) {
12028            pkgSetting = mSettings.mPackages.get(packageName);
12029            if (pkgSetting == null) {
12030                if (className == null) {
12031                    throw new IllegalArgumentException(
12032                            "Unknown package: " + packageName);
12033                }
12034                throw new IllegalArgumentException(
12035                        "Unknown component: " + packageName
12036                        + "/" + className);
12037            }
12038            // Allow root and verify that userId is not being specified by a different user
12039            if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) {
12040                throw new SecurityException(
12041                        "Permission Denial: attempt to change component state from pid="
12042                        + Binder.getCallingPid()
12043                        + ", uid=" + uid + ", package uid=" + pkgSetting.appId);
12044            }
12045            if (className == null) {
12046                // We're dealing with an application/package level state change
12047                if (pkgSetting.getEnabled(userId) == newState) {
12048                    // Nothing to do
12049                    return;
12050                }
12051                if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT
12052                    || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) {
12053                    // Don't care about who enables an app.
12054                    callingPackage = null;
12055                }
12056                pkgSetting.setEnabled(newState, userId, callingPackage);
12057                // pkgSetting.pkg.mSetEnabled = newState;
12058            } else {
12059                // We're dealing with a component level state change
12060                // First, verify that this is a valid class name.
12061                PackageParser.Package pkg = pkgSetting.pkg;
12062                if (pkg == null || !pkg.hasComponentClassName(className)) {
12063                    if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) {
12064                        throw new IllegalArgumentException("Component class " + className
12065                                + " does not exist in " + packageName);
12066                    } else {
12067                        Slog.w(TAG, "Failed setComponentEnabledSetting: component class "
12068                                + className + " does not exist in " + packageName);
12069                    }
12070                }
12071                switch (newState) {
12072                case COMPONENT_ENABLED_STATE_ENABLED:
12073                    if (!pkgSetting.enableComponentLPw(className, userId)) {
12074                        return;
12075                    }
12076                    break;
12077                case COMPONENT_ENABLED_STATE_DISABLED:
12078                    if (!pkgSetting.disableComponentLPw(className, userId)) {
12079                        return;
12080                    }
12081                    break;
12082                case COMPONENT_ENABLED_STATE_DEFAULT:
12083                    if (!pkgSetting.restoreComponentLPw(className, userId)) {
12084                        return;
12085                    }
12086                    break;
12087                default:
12088                    Slog.e(TAG, "Invalid new component state: " + newState);
12089                    return;
12090                }
12091            }
12092            mSettings.writePackageRestrictionsLPr(userId);
12093            components = mPendingBroadcasts.get(userId, packageName);
12094            final boolean newPackage = components == null;
12095            if (newPackage) {
12096                components = new ArrayList<String>();
12097            }
12098            if (!components.contains(componentName)) {
12099                components.add(componentName);
12100            }
12101            if ((flags&PackageManager.DONT_KILL_APP) == 0) {
12102                sendNow = true;
12103                // Purge entry from pending broadcast list if another one exists already
12104                // since we are sending one right away.
12105                mPendingBroadcasts.remove(userId, packageName);
12106            } else {
12107                if (newPackage) {
12108                    mPendingBroadcasts.put(userId, packageName, components);
12109                }
12110                if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) {
12111                    // Schedule a message
12112                    mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY);
12113                }
12114            }
12115        }
12116
12117        long callingId = Binder.clearCallingIdentity();
12118        try {
12119            if (sendNow) {
12120                packageUid = UserHandle.getUid(userId, pkgSetting.appId);
12121                sendPackageChangedBroadcast(packageName,
12122                        (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid);
12123            }
12124        } finally {
12125            Binder.restoreCallingIdentity(callingId);
12126        }
12127    }
12128
12129    private void sendPackageChangedBroadcast(String packageName,
12130            boolean killFlag, ArrayList<String> componentNames, int packageUid) {
12131        if (DEBUG_INSTALL)
12132            Log.v(TAG, "Sending package changed: package=" + packageName + " components="
12133                    + componentNames);
12134        Bundle extras = new Bundle(4);
12135        extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0));
12136        String nameList[] = new String[componentNames.size()];
12137        componentNames.toArray(nameList);
12138        extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList);
12139        extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag);
12140        extras.putInt(Intent.EXTRA_UID, packageUid);
12141        sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED,  packageName, extras, null, null,
12142                new int[] {UserHandle.getUserId(packageUid)});
12143    }
12144
12145    @Override
12146    public void setPackageStoppedState(String packageName, boolean stopped, int userId) {
12147        if (!sUserManager.exists(userId)) return;
12148        final int uid = Binder.getCallingUid();
12149        final int permission = mContext.checkCallingOrSelfPermission(
12150                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
12151        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
12152        enforceCrossUserPermission(uid, userId, true, true, "stop package");
12153        // writer
12154        synchronized (mPackages) {
12155            if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission,
12156                    uid, userId)) {
12157                scheduleWritePackageRestrictionsLocked(userId);
12158            }
12159        }
12160    }
12161
12162    @Override
12163    public String getInstallerPackageName(String packageName) {
12164        // reader
12165        synchronized (mPackages) {
12166            return mSettings.getInstallerPackageNameLPr(packageName);
12167        }
12168    }
12169
12170    @Override
12171    public int getApplicationEnabledSetting(String packageName, int userId) {
12172        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
12173        int uid = Binder.getCallingUid();
12174        enforceCrossUserPermission(uid, userId, false, false, "get enabled");
12175        // reader
12176        synchronized (mPackages) {
12177            return mSettings.getApplicationEnabledSettingLPr(packageName, userId);
12178        }
12179    }
12180
12181    @Override
12182    public int getComponentEnabledSetting(ComponentName componentName, int userId) {
12183        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
12184        int uid = Binder.getCallingUid();
12185        enforceCrossUserPermission(uid, userId, false, false, "get component enabled");
12186        // reader
12187        synchronized (mPackages) {
12188            return mSettings.getComponentEnabledSettingLPr(componentName, userId);
12189        }
12190    }
12191
12192    @Override
12193    public void enterSafeMode() {
12194        enforceSystemOrRoot("Only the system can request entering safe mode");
12195
12196        if (!mSystemReady) {
12197            mSafeMode = true;
12198        }
12199    }
12200
12201    @Override
12202    public void systemReady() {
12203        mSystemReady = true;
12204
12205        // Read the compatibilty setting when the system is ready.
12206        boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt(
12207                mContext.getContentResolver(),
12208                android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1;
12209        PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled);
12210        if (DEBUG_SETTINGS) {
12211            Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled);
12212        }
12213
12214        synchronized (mPackages) {
12215            // Verify that all of the preferred activity components actually
12216            // exist.  It is possible for applications to be updated and at
12217            // that point remove a previously declared activity component that
12218            // had been set as a preferred activity.  We try to clean this up
12219            // the next time we encounter that preferred activity, but it is
12220            // possible for the user flow to never be able to return to that
12221            // situation so here we do a sanity check to make sure we haven't
12222            // left any junk around.
12223            ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>();
12224            for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
12225                PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
12226                removed.clear();
12227                for (PreferredActivity pa : pir.filterSet()) {
12228                    if (mActivities.mActivities.get(pa.mPref.mComponent) == null) {
12229                        removed.add(pa);
12230                    }
12231                }
12232                if (removed.size() > 0) {
12233                    for (int r=0; r<removed.size(); r++) {
12234                        PreferredActivity pa = removed.get(r);
12235                        Slog.w(TAG, "Removing dangling preferred activity: "
12236                                + pa.mPref.mComponent);
12237                        pir.removeFilter(pa);
12238                    }
12239                    mSettings.writePackageRestrictionsLPr(
12240                            mSettings.mPreferredActivities.keyAt(i));
12241                }
12242            }
12243        }
12244        sUserManager.systemReady();
12245
12246        // Kick off any messages waiting for system ready
12247        if (mPostSystemReadyMessages != null) {
12248            for (Message msg : mPostSystemReadyMessages) {
12249                msg.sendToTarget();
12250            }
12251            mPostSystemReadyMessages = null;
12252        }
12253    }
12254
12255    @Override
12256    public boolean isSafeMode() {
12257        return mSafeMode;
12258    }
12259
12260    @Override
12261    public boolean hasSystemUidErrors() {
12262        return mHasSystemUidErrors;
12263    }
12264
12265    static String arrayToString(int[] array) {
12266        StringBuffer buf = new StringBuffer(128);
12267        buf.append('[');
12268        if (array != null) {
12269            for (int i=0; i<array.length; i++) {
12270                if (i > 0) buf.append(", ");
12271                buf.append(array[i]);
12272            }
12273        }
12274        buf.append(']');
12275        return buf.toString();
12276    }
12277
12278    static class DumpState {
12279        public static final int DUMP_LIBS = 1 << 0;
12280        public static final int DUMP_FEATURES = 1 << 1;
12281        public static final int DUMP_RESOLVERS = 1 << 2;
12282        public static final int DUMP_PERMISSIONS = 1 << 3;
12283        public static final int DUMP_PACKAGES = 1 << 4;
12284        public static final int DUMP_SHARED_USERS = 1 << 5;
12285        public static final int DUMP_MESSAGES = 1 << 6;
12286        public static final int DUMP_PROVIDERS = 1 << 7;
12287        public static final int DUMP_VERIFIERS = 1 << 8;
12288        public static final int DUMP_PREFERRED = 1 << 9;
12289        public static final int DUMP_PREFERRED_XML = 1 << 10;
12290        public static final int DUMP_KEYSETS = 1 << 11;
12291        public static final int DUMP_VERSION = 1 << 12;
12292        public static final int DUMP_INSTALLS = 1 << 13;
12293
12294        public static final int OPTION_SHOW_FILTERS = 1 << 0;
12295
12296        private int mTypes;
12297
12298        private int mOptions;
12299
12300        private boolean mTitlePrinted;
12301
12302        private SharedUserSetting mSharedUser;
12303
12304        public boolean isDumping(int type) {
12305            if (mTypes == 0 && type != DUMP_PREFERRED_XML) {
12306                return true;
12307            }
12308
12309            return (mTypes & type) != 0;
12310        }
12311
12312        public void setDump(int type) {
12313            mTypes |= type;
12314        }
12315
12316        public boolean isOptionEnabled(int option) {
12317            return (mOptions & option) != 0;
12318        }
12319
12320        public void setOptionEnabled(int option) {
12321            mOptions |= option;
12322        }
12323
12324        public boolean onTitlePrinted() {
12325            final boolean printed = mTitlePrinted;
12326            mTitlePrinted = true;
12327            return printed;
12328        }
12329
12330        public boolean getTitlePrinted() {
12331            return mTitlePrinted;
12332        }
12333
12334        public void setTitlePrinted(boolean enabled) {
12335            mTitlePrinted = enabled;
12336        }
12337
12338        public SharedUserSetting getSharedUser() {
12339            return mSharedUser;
12340        }
12341
12342        public void setSharedUser(SharedUserSetting user) {
12343            mSharedUser = user;
12344        }
12345    }
12346
12347    @Override
12348    protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
12349        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
12350                != PackageManager.PERMISSION_GRANTED) {
12351            pw.println("Permission Denial: can't dump ActivityManager from from pid="
12352                    + Binder.getCallingPid()
12353                    + ", uid=" + Binder.getCallingUid()
12354                    + " without permission "
12355                    + android.Manifest.permission.DUMP);
12356            return;
12357        }
12358
12359        DumpState dumpState = new DumpState();
12360        boolean fullPreferred = false;
12361        boolean checkin = false;
12362
12363        String packageName = null;
12364
12365        int opti = 0;
12366        while (opti < args.length) {
12367            String opt = args[opti];
12368            if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') {
12369                break;
12370            }
12371            opti++;
12372
12373            if ("-a".equals(opt)) {
12374                // Right now we only know how to print all.
12375            } else if ("-h".equals(opt)) {
12376                pw.println("Package manager dump options:");
12377                pw.println("  [-h] [-f] [--checkin] [cmd] ...");
12378                pw.println("    --checkin: dump for a checkin");
12379                pw.println("    -f: print details of intent filters");
12380                pw.println("    -h: print this help");
12381                pw.println("  cmd may be one of:");
12382                pw.println("    l[ibraries]: list known shared libraries");
12383                pw.println("    f[ibraries]: list device features");
12384                pw.println("    k[eysets]: print known keysets");
12385                pw.println("    r[esolvers]: dump intent resolvers");
12386                pw.println("    perm[issions]: dump permissions");
12387                pw.println("    pref[erred]: print preferred package settings");
12388                pw.println("    preferred-xml [--full]: print preferred package settings as xml");
12389                pw.println("    prov[iders]: dump content providers");
12390                pw.println("    p[ackages]: dump installed packages");
12391                pw.println("    s[hared-users]: dump shared user IDs");
12392                pw.println("    m[essages]: print collected runtime messages");
12393                pw.println("    v[erifiers]: print package verifier info");
12394                pw.println("    version: print database version info");
12395                pw.println("    write: write current settings now");
12396                pw.println("    <package.name>: info about given package");
12397                pw.println("    installs: details about install sessions");
12398                return;
12399            } else if ("--checkin".equals(opt)) {
12400                checkin = true;
12401            } else if ("-f".equals(opt)) {
12402                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
12403            } else {
12404                pw.println("Unknown argument: " + opt + "; use -h for help");
12405            }
12406        }
12407
12408        // Is the caller requesting to dump a particular piece of data?
12409        if (opti < args.length) {
12410            String cmd = args[opti];
12411            opti++;
12412            // Is this a package name?
12413            if ("android".equals(cmd) || cmd.contains(".")) {
12414                packageName = cmd;
12415                // When dumping a single package, we always dump all of its
12416                // filter information since the amount of data will be reasonable.
12417                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
12418            } else if ("l".equals(cmd) || "libraries".equals(cmd)) {
12419                dumpState.setDump(DumpState.DUMP_LIBS);
12420            } else if ("f".equals(cmd) || "features".equals(cmd)) {
12421                dumpState.setDump(DumpState.DUMP_FEATURES);
12422            } else if ("r".equals(cmd) || "resolvers".equals(cmd)) {
12423                dumpState.setDump(DumpState.DUMP_RESOLVERS);
12424            } else if ("perm".equals(cmd) || "permissions".equals(cmd)) {
12425                dumpState.setDump(DumpState.DUMP_PERMISSIONS);
12426            } else if ("pref".equals(cmd) || "preferred".equals(cmd)) {
12427                dumpState.setDump(DumpState.DUMP_PREFERRED);
12428            } else if ("preferred-xml".equals(cmd)) {
12429                dumpState.setDump(DumpState.DUMP_PREFERRED_XML);
12430                if (opti < args.length && "--full".equals(args[opti])) {
12431                    fullPreferred = true;
12432                    opti++;
12433                }
12434            } else if ("p".equals(cmd) || "packages".equals(cmd)) {
12435                dumpState.setDump(DumpState.DUMP_PACKAGES);
12436            } else if ("s".equals(cmd) || "shared-users".equals(cmd)) {
12437                dumpState.setDump(DumpState.DUMP_SHARED_USERS);
12438            } else if ("prov".equals(cmd) || "providers".equals(cmd)) {
12439                dumpState.setDump(DumpState.DUMP_PROVIDERS);
12440            } else if ("m".equals(cmd) || "messages".equals(cmd)) {
12441                dumpState.setDump(DumpState.DUMP_MESSAGES);
12442            } else if ("v".equals(cmd) || "verifiers".equals(cmd)) {
12443                dumpState.setDump(DumpState.DUMP_VERIFIERS);
12444            } else if ("version".equals(cmd)) {
12445                dumpState.setDump(DumpState.DUMP_VERSION);
12446            } else if ("k".equals(cmd) || "keysets".equals(cmd)) {
12447                dumpState.setDump(DumpState.DUMP_KEYSETS);
12448            } else if ("installs".equals(cmd)) {
12449                dumpState.setDump(DumpState.DUMP_INSTALLS);
12450            } else if ("write".equals(cmd)) {
12451                synchronized (mPackages) {
12452                    mSettings.writeLPr();
12453                    pw.println("Settings written.");
12454                    return;
12455                }
12456            }
12457        }
12458
12459        if (checkin) {
12460            pw.println("vers,1");
12461        }
12462
12463        // reader
12464        synchronized (mPackages) {
12465            if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) {
12466                if (!checkin) {
12467                    if (dumpState.onTitlePrinted())
12468                        pw.println();
12469                    pw.println("Database versions:");
12470                    pw.print("  SDK Version:");
12471                    pw.print(" internal=");
12472                    pw.print(mSettings.mInternalSdkPlatform);
12473                    pw.print(" external=");
12474                    pw.println(mSettings.mExternalSdkPlatform);
12475                    pw.print("  DB Version:");
12476                    pw.print(" internal=");
12477                    pw.print(mSettings.mInternalDatabaseVersion);
12478                    pw.print(" external=");
12479                    pw.println(mSettings.mExternalDatabaseVersion);
12480                }
12481            }
12482
12483            if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) {
12484                if (!checkin) {
12485                    if (dumpState.onTitlePrinted())
12486                        pw.println();
12487                    pw.println("Verifiers:");
12488                    pw.print("  Required: ");
12489                    pw.print(mRequiredVerifierPackage);
12490                    pw.print(" (uid=");
12491                    pw.print(getPackageUid(mRequiredVerifierPackage, 0));
12492                    pw.println(")");
12493                } else if (mRequiredVerifierPackage != null) {
12494                    pw.print("vrfy,"); pw.print(mRequiredVerifierPackage);
12495                    pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0));
12496                }
12497            }
12498
12499            if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) {
12500                boolean printedHeader = false;
12501                final Iterator<String> it = mSharedLibraries.keySet().iterator();
12502                while (it.hasNext()) {
12503                    String name = it.next();
12504                    SharedLibraryEntry ent = mSharedLibraries.get(name);
12505                    if (!checkin) {
12506                        if (!printedHeader) {
12507                            if (dumpState.onTitlePrinted())
12508                                pw.println();
12509                            pw.println("Libraries:");
12510                            printedHeader = true;
12511                        }
12512                        pw.print("  ");
12513                    } else {
12514                        pw.print("lib,");
12515                    }
12516                    pw.print(name);
12517                    if (!checkin) {
12518                        pw.print(" -> ");
12519                    }
12520                    if (ent.path != null) {
12521                        if (!checkin) {
12522                            pw.print("(jar) ");
12523                            pw.print(ent.path);
12524                        } else {
12525                            pw.print(",jar,");
12526                            pw.print(ent.path);
12527                        }
12528                    } else {
12529                        if (!checkin) {
12530                            pw.print("(apk) ");
12531                            pw.print(ent.apk);
12532                        } else {
12533                            pw.print(",apk,");
12534                            pw.print(ent.apk);
12535                        }
12536                    }
12537                    pw.println();
12538                }
12539            }
12540
12541            if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) {
12542                if (dumpState.onTitlePrinted())
12543                    pw.println();
12544                if (!checkin) {
12545                    pw.println("Features:");
12546                }
12547                Iterator<String> it = mAvailableFeatures.keySet().iterator();
12548                while (it.hasNext()) {
12549                    String name = it.next();
12550                    if (!checkin) {
12551                        pw.print("  ");
12552                    } else {
12553                        pw.print("feat,");
12554                    }
12555                    pw.println(name);
12556                }
12557            }
12558
12559            if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) {
12560                if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:"
12561                        : "Activity Resolver Table:", "  ", packageName,
12562                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12563                    dumpState.setTitlePrinted(true);
12564                }
12565                if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:"
12566                        : "Receiver Resolver Table:", "  ", packageName,
12567                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12568                    dumpState.setTitlePrinted(true);
12569                }
12570                if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:"
12571                        : "Service Resolver Table:", "  ", packageName,
12572                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12573                    dumpState.setTitlePrinted(true);
12574                }
12575                if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:"
12576                        : "Provider Resolver Table:", "  ", packageName,
12577                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12578                    dumpState.setTitlePrinted(true);
12579                }
12580            }
12581
12582            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) {
12583                for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
12584                    PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
12585                    int user = mSettings.mPreferredActivities.keyAt(i);
12586                    if (pir.dump(pw,
12587                            dumpState.getTitlePrinted()
12588                                ? "\nPreferred Activities User " + user + ":"
12589                                : "Preferred Activities User " + user + ":", "  ",
12590                            packageName, true)) {
12591                        dumpState.setTitlePrinted(true);
12592                    }
12593                }
12594            }
12595
12596            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) {
12597                pw.flush();
12598                FileOutputStream fout = new FileOutputStream(fd);
12599                BufferedOutputStream str = new BufferedOutputStream(fout);
12600                XmlSerializer serializer = new FastXmlSerializer();
12601                try {
12602                    serializer.setOutput(str, "utf-8");
12603                    serializer.startDocument(null, true);
12604                    serializer.setFeature(
12605                            "http://xmlpull.org/v1/doc/features.html#indent-output", true);
12606                    mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred);
12607                    serializer.endDocument();
12608                    serializer.flush();
12609                } catch (IllegalArgumentException e) {
12610                    pw.println("Failed writing: " + e);
12611                } catch (IllegalStateException e) {
12612                    pw.println("Failed writing: " + e);
12613                } catch (IOException e) {
12614                    pw.println("Failed writing: " + e);
12615                }
12616            }
12617
12618            if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) {
12619                mSettings.dumpPermissionsLPr(pw, packageName, dumpState);
12620                if (packageName == null) {
12621                    for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) {
12622                        if (iperm == 0) {
12623                            if (dumpState.onTitlePrinted())
12624                                pw.println();
12625                            pw.println("AppOp Permissions:");
12626                        }
12627                        pw.print("  AppOp Permission ");
12628                        pw.print(mAppOpPermissionPackages.keyAt(iperm));
12629                        pw.println(":");
12630                        ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm);
12631                        for (int ipkg=0; ipkg<pkgs.size(); ipkg++) {
12632                            pw.print("    "); pw.println(pkgs.valueAt(ipkg));
12633                        }
12634                    }
12635                }
12636            }
12637
12638            if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) {
12639                boolean printedSomething = false;
12640                for (PackageParser.Provider p : mProviders.mProviders.values()) {
12641                    if (packageName != null && !packageName.equals(p.info.packageName)) {
12642                        continue;
12643                    }
12644                    if (!printedSomething) {
12645                        if (dumpState.onTitlePrinted())
12646                            pw.println();
12647                        pw.println("Registered ContentProviders:");
12648                        printedSomething = true;
12649                    }
12650                    pw.print("  "); p.printComponentShortName(pw); pw.println(":");
12651                    pw.print("    "); pw.println(p.toString());
12652                }
12653                printedSomething = false;
12654                for (Map.Entry<String, PackageParser.Provider> entry :
12655                        mProvidersByAuthority.entrySet()) {
12656                    PackageParser.Provider p = entry.getValue();
12657                    if (packageName != null && !packageName.equals(p.info.packageName)) {
12658                        continue;
12659                    }
12660                    if (!printedSomething) {
12661                        if (dumpState.onTitlePrinted())
12662                            pw.println();
12663                        pw.println("ContentProvider Authorities:");
12664                        printedSomething = true;
12665                    }
12666                    pw.print("  ["); pw.print(entry.getKey()); pw.println("]:");
12667                    pw.print("    "); pw.println(p.toString());
12668                    if (p.info != null && p.info.applicationInfo != null) {
12669                        final String appInfo = p.info.applicationInfo.toString();
12670                        pw.print("      applicationInfo="); pw.println(appInfo);
12671                    }
12672                }
12673            }
12674
12675            if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) {
12676                mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState);
12677            }
12678
12679            if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) {
12680                mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin);
12681            }
12682
12683            if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) {
12684                mSettings.dumpSharedUsersLPr(pw, packageName, dumpState);
12685            }
12686
12687            if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) {
12688                // XXX should handle packageName != null by dumping only install data that
12689                // the given package is involved with.
12690                if (dumpState.onTitlePrinted()) pw.println();
12691                mInstallerService.dump(new IndentingPrintWriter(pw, "  ", 120));
12692            }
12693
12694            if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) {
12695                if (dumpState.onTitlePrinted()) pw.println();
12696                mSettings.dumpReadMessagesLPr(pw, dumpState);
12697
12698                pw.println();
12699                pw.println("Package warning messages:");
12700                final File fname = getSettingsProblemFile();
12701                FileInputStream in = null;
12702                try {
12703                    in = new FileInputStream(fname);
12704                    final int avail = in.available();
12705                    final byte[] data = new byte[avail];
12706                    in.read(data);
12707                    pw.print(new String(data));
12708                } catch (FileNotFoundException e) {
12709                } catch (IOException e) {
12710                } finally {
12711                    if (in != null) {
12712                        try {
12713                            in.close();
12714                        } catch (IOException e) {
12715                        }
12716                    }
12717                }
12718            }
12719
12720            if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) {
12721                BufferedReader in = null;
12722                String line = null;
12723                try {
12724                    in = new BufferedReader(new FileReader(getSettingsProblemFile()));
12725                    while ((line = in.readLine()) != null) {
12726                        pw.print("msg,");
12727                        pw.println(line);
12728                    }
12729                } catch (IOException ignored) {
12730                } finally {
12731                    IoUtils.closeQuietly(in);
12732                }
12733            }
12734        }
12735    }
12736
12737    // ------- apps on sdcard specific code -------
12738    static final boolean DEBUG_SD_INSTALL = false;
12739
12740    private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD";
12741
12742    private static final String SD_ENCRYPTION_ALGORITHM = "AES";
12743
12744    private boolean mMediaMounted = false;
12745
12746    static String getEncryptKey() {
12747        try {
12748            String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString(
12749                    SD_ENCRYPTION_KEYSTORE_NAME);
12750            if (sdEncKey == null) {
12751                sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128,
12752                        SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME);
12753                if (sdEncKey == null) {
12754                    Slog.e(TAG, "Failed to create encryption keys");
12755                    return null;
12756                }
12757            }
12758            return sdEncKey;
12759        } catch (NoSuchAlgorithmException nsae) {
12760            Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae);
12761            return null;
12762        } catch (IOException ioe) {
12763            Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe);
12764            return null;
12765        }
12766    }
12767
12768    /*
12769     * Update media status on PackageManager.
12770     */
12771    @Override
12772    public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) {
12773        int callingUid = Binder.getCallingUid();
12774        if (callingUid != 0 && callingUid != Process.SYSTEM_UID) {
12775            throw new SecurityException("Media status can only be updated by the system");
12776        }
12777        // reader; this apparently protects mMediaMounted, but should probably
12778        // be a different lock in that case.
12779        synchronized (mPackages) {
12780            Log.i(TAG, "Updating external media status from "
12781                    + (mMediaMounted ? "mounted" : "unmounted") + " to "
12782                    + (mediaStatus ? "mounted" : "unmounted"));
12783            if (DEBUG_SD_INSTALL)
12784                Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus
12785                        + ", mMediaMounted=" + mMediaMounted);
12786            if (mediaStatus == mMediaMounted) {
12787                final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1
12788                        : 0, -1);
12789                mHandler.sendMessage(msg);
12790                return;
12791            }
12792            mMediaMounted = mediaStatus;
12793        }
12794        // Queue up an async operation since the package installation may take a
12795        // little while.
12796        mHandler.post(new Runnable() {
12797            public void run() {
12798                updateExternalMediaStatusInner(mediaStatus, reportStatus, true);
12799            }
12800        });
12801    }
12802
12803    /**
12804     * Called by MountService when the initial ASECs to scan are available.
12805     * Should block until all the ASEC containers are finished being scanned.
12806     */
12807    public void scanAvailableAsecs() {
12808        updateExternalMediaStatusInner(true, false, false);
12809        if (mShouldRestoreconData) {
12810            SELinuxMMAC.setRestoreconDone();
12811            mShouldRestoreconData = false;
12812        }
12813    }
12814
12815    /*
12816     * Collect information of applications on external media, map them against
12817     * existing containers and update information based on current mount status.
12818     * Please note that we always have to report status if reportStatus has been
12819     * set to true especially when unloading packages.
12820     */
12821    private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus,
12822            boolean externalStorage) {
12823        ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>();
12824        int[] uidArr = EmptyArray.INT;
12825
12826        final String[] list = PackageHelper.getSecureContainerList();
12827        if (ArrayUtils.isEmpty(list)) {
12828            Log.i(TAG, "No secure containers found");
12829        } else {
12830            // Process list of secure containers and categorize them
12831            // as active or stale based on their package internal state.
12832
12833            // reader
12834            synchronized (mPackages) {
12835                for (String cid : list) {
12836                    // Leave stages untouched for now; installer service owns them
12837                    if (PackageInstallerService.isStageName(cid)) continue;
12838
12839                    if (DEBUG_SD_INSTALL)
12840                        Log.i(TAG, "Processing container " + cid);
12841                    String pkgName = getAsecPackageName(cid);
12842                    if (pkgName == null) {
12843                        Slog.i(TAG, "Found stale container " + cid + " with no package name");
12844                        continue;
12845                    }
12846                    if (DEBUG_SD_INSTALL)
12847                        Log.i(TAG, "Looking for pkg : " + pkgName);
12848
12849                    final PackageSetting ps = mSettings.mPackages.get(pkgName);
12850                    if (ps == null) {
12851                        Slog.i(TAG, "Found stale container " + cid + " with no matching settings");
12852                        continue;
12853                    }
12854
12855                    /*
12856                     * Skip packages that are not external if we're unmounting
12857                     * external storage.
12858                     */
12859                    if (externalStorage && !isMounted && !isExternal(ps)) {
12860                        continue;
12861                    }
12862
12863                    final AsecInstallArgs args = new AsecInstallArgs(cid,
12864                            getAppDexInstructionSets(ps), isForwardLocked(ps));
12865                    // The package status is changed only if the code path
12866                    // matches between settings and the container id.
12867                    if (ps.codePathString != null
12868                            && ps.codePathString.startsWith(args.getCodePath())) {
12869                        if (DEBUG_SD_INSTALL) {
12870                            Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName
12871                                    + " at code path: " + ps.codePathString);
12872                        }
12873
12874                        // We do have a valid package installed on sdcard
12875                        processCids.put(args, ps.codePathString);
12876                        final int uid = ps.appId;
12877                        if (uid != -1) {
12878                            uidArr = ArrayUtils.appendInt(uidArr, uid);
12879                        }
12880                    } else {
12881                        Slog.i(TAG, "Found stale container " + cid + ": expected codePath="
12882                                + ps.codePathString);
12883                    }
12884                }
12885            }
12886
12887            Arrays.sort(uidArr);
12888        }
12889
12890        // Process packages with valid entries.
12891        if (isMounted) {
12892            if (DEBUG_SD_INSTALL)
12893                Log.i(TAG, "Loading packages");
12894            loadMediaPackages(processCids, uidArr);
12895            startCleaningPackages();
12896            mInstallerService.onSecureContainersAvailable();
12897        } else {
12898            if (DEBUG_SD_INSTALL)
12899                Log.i(TAG, "Unloading packages");
12900            unloadMediaPackages(processCids, uidArr, reportStatus);
12901        }
12902    }
12903
12904    private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
12905            ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) {
12906        int size = pkgList.size();
12907        if (size > 0) {
12908            // Send broadcasts here
12909            Bundle extras = new Bundle();
12910            extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList
12911                    .toArray(new String[size]));
12912            if (uidArr != null) {
12913                extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr);
12914            }
12915            if (replacing) {
12916                extras.putBoolean(Intent.EXTRA_REPLACING, replacing);
12917            }
12918            String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE
12919                    : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE;
12920            sendPackageBroadcast(action, null, extras, null, finishedReceiver, null);
12921        }
12922    }
12923
12924   /*
12925     * Look at potentially valid container ids from processCids If package
12926     * information doesn't match the one on record or package scanning fails,
12927     * the cid is added to list of removeCids. We currently don't delete stale
12928     * containers.
12929     */
12930    private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) {
12931        ArrayList<String> pkgList = new ArrayList<String>();
12932        Set<AsecInstallArgs> keys = processCids.keySet();
12933
12934        for (AsecInstallArgs args : keys) {
12935            String codePath = processCids.get(args);
12936            if (DEBUG_SD_INSTALL)
12937                Log.i(TAG, "Loading container : " + args.cid);
12938            int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
12939            try {
12940                // Make sure there are no container errors first.
12941                if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) {
12942                    Slog.e(TAG, "Failed to mount cid : " + args.cid
12943                            + " when installing from sdcard");
12944                    continue;
12945                }
12946                // Check code path here.
12947                if (codePath == null || !codePath.startsWith(args.getCodePath())) {
12948                    Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath()
12949                            + " does not match one in settings " + codePath);
12950                    continue;
12951                }
12952                // Parse package
12953                int parseFlags = mDefParseFlags;
12954                if (args.isExternal()) {
12955                    parseFlags |= PackageParser.PARSE_ON_SDCARD;
12956                }
12957                if (args.isFwdLocked()) {
12958                    parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
12959                }
12960
12961                synchronized (mInstallLock) {
12962                    PackageParser.Package pkg = null;
12963                    try {
12964                        pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null);
12965                    } catch (PackageManagerException e) {
12966                        Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage());
12967                    }
12968                    // Scan the package
12969                    if (pkg != null) {
12970                        /*
12971                         * TODO why is the lock being held? doPostInstall is
12972                         * called in other places without the lock. This needs
12973                         * to be straightened out.
12974                         */
12975                        // writer
12976                        synchronized (mPackages) {
12977                            retCode = PackageManager.INSTALL_SUCCEEDED;
12978                            pkgList.add(pkg.packageName);
12979                            // Post process args
12980                            args.doPostInstall(PackageManager.INSTALL_SUCCEEDED,
12981                                    pkg.applicationInfo.uid);
12982                        }
12983                    } else {
12984                        Slog.i(TAG, "Failed to install pkg from  " + codePath + " from sdcard");
12985                    }
12986                }
12987
12988            } finally {
12989                if (retCode != PackageManager.INSTALL_SUCCEEDED) {
12990                    Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode);
12991                }
12992            }
12993        }
12994        // writer
12995        synchronized (mPackages) {
12996            // If the platform SDK has changed since the last time we booted,
12997            // we need to re-grant app permission to catch any new ones that
12998            // appear. This is really a hack, and means that apps can in some
12999            // cases get permissions that the user didn't initially explicitly
13000            // allow... it would be nice to have some better way to handle
13001            // this situation.
13002            final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion;
13003            if (regrantPermissions)
13004                Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to "
13005                        + mSdkVersion + "; regranting permissions for external storage");
13006            mSettings.mExternalSdkPlatform = mSdkVersion;
13007
13008            // Make sure group IDs have been assigned, and any permission
13009            // changes in other apps are accounted for
13010            updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
13011                    | (regrantPermissions
13012                            ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
13013                            : 0));
13014
13015            mSettings.updateExternalDatabaseVersion();
13016
13017            // can downgrade to reader
13018            // Persist settings
13019            mSettings.writeLPr();
13020        }
13021        // Send a broadcast to let everyone know we are done processing
13022        if (pkgList.size() > 0) {
13023            sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null);
13024        }
13025    }
13026
13027   /*
13028     * Utility method to unload a list of specified containers
13029     */
13030    private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) {
13031        // Just unmount all valid containers.
13032        for (AsecInstallArgs arg : cidArgs) {
13033            synchronized (mInstallLock) {
13034                arg.doPostDeleteLI(false);
13035           }
13036       }
13037   }
13038
13039    /*
13040     * Unload packages mounted on external media. This involves deleting package
13041     * data from internal structures, sending broadcasts about diabled packages,
13042     * gc'ing to free up references, unmounting all secure containers
13043     * corresponding to packages on external media, and posting a
13044     * UPDATED_MEDIA_STATUS message if status has been requested. Please note
13045     * that we always have to post this message if status has been requested no
13046     * matter what.
13047     */
13048    private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[],
13049            final boolean reportStatus) {
13050        if (DEBUG_SD_INSTALL)
13051            Log.i(TAG, "unloading media packages");
13052        ArrayList<String> pkgList = new ArrayList<String>();
13053        ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>();
13054        final Set<AsecInstallArgs> keys = processCids.keySet();
13055        for (AsecInstallArgs args : keys) {
13056            String pkgName = args.getPackageName();
13057            if (DEBUG_SD_INSTALL)
13058                Log.i(TAG, "Trying to unload pkg : " + pkgName);
13059            // Delete package internally
13060            PackageRemovedInfo outInfo = new PackageRemovedInfo();
13061            synchronized (mInstallLock) {
13062                boolean res = deletePackageLI(pkgName, null, false, null, null,
13063                        PackageManager.DELETE_KEEP_DATA, outInfo, false);
13064                if (res) {
13065                    pkgList.add(pkgName);
13066                } else {
13067                    Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName);
13068                    failedList.add(args);
13069                }
13070            }
13071        }
13072
13073        // reader
13074        synchronized (mPackages) {
13075            // We didn't update the settings after removing each package;
13076            // write them now for all packages.
13077            mSettings.writeLPr();
13078        }
13079
13080        // We have to absolutely send UPDATED_MEDIA_STATUS only
13081        // after confirming that all the receivers processed the ordered
13082        // broadcast when packages get disabled, force a gc to clean things up.
13083        // and unload all the containers.
13084        if (pkgList.size() > 0) {
13085            sendResourcesChangedBroadcast(false, false, pkgList, uidArr,
13086                    new IIntentReceiver.Stub() {
13087                public void performReceive(Intent intent, int resultCode, String data,
13088                        Bundle extras, boolean ordered, boolean sticky,
13089                        int sendingUser) throws RemoteException {
13090                    Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
13091                            reportStatus ? 1 : 0, 1, keys);
13092                    mHandler.sendMessage(msg);
13093                }
13094            });
13095        } else {
13096            Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1,
13097                    keys);
13098            mHandler.sendMessage(msg);
13099        }
13100    }
13101
13102    /** Binder call */
13103    @Override
13104    public void movePackage(final String packageName, final IPackageMoveObserver observer,
13105            final int flags) {
13106        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
13107        UserHandle user = new UserHandle(UserHandle.getCallingUserId());
13108        int returnCode = PackageManager.MOVE_SUCCEEDED;
13109        int currInstallFlags = 0;
13110        int newInstallFlags = 0;
13111
13112        File codeFile = null;
13113        String installerPackageName = null;
13114        String packageAbiOverride = null;
13115
13116        // reader
13117        synchronized (mPackages) {
13118            final PackageParser.Package pkg = mPackages.get(packageName);
13119            final PackageSetting ps = mSettings.mPackages.get(packageName);
13120            if (pkg == null || ps == null) {
13121                returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
13122            } else {
13123                // Disable moving fwd locked apps and system packages
13124                if (pkg.applicationInfo != null && isSystemApp(pkg)) {
13125                    Slog.w(TAG, "Cannot move system application");
13126                    returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE;
13127                } else if (pkg.mOperationPending) {
13128                    Slog.w(TAG, "Attempt to move package which has pending operations");
13129                    returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING;
13130                } else {
13131                    // Find install location first
13132                    if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0
13133                            && (flags & PackageManager.MOVE_INTERNAL) != 0) {
13134                        Slog.w(TAG, "Ambigous flags specified for move location.");
13135                        returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION;
13136                    } else {
13137                        newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0
13138                                ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL;
13139                        currInstallFlags = isExternal(pkg)
13140                                ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL;
13141
13142                        if (newInstallFlags == currInstallFlags) {
13143                            Slog.w(TAG, "No move required. Trying to move to same location");
13144                            returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION;
13145                        } else {
13146                            if (isForwardLocked(pkg)) {
13147                                currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK;
13148                                newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK;
13149                            }
13150                        }
13151                    }
13152                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
13153                        pkg.mOperationPending = true;
13154                    }
13155                }
13156
13157                codeFile = new File(pkg.codePath);
13158                installerPackageName = ps.installerPackageName;
13159                packageAbiOverride = ps.cpuAbiOverrideString;
13160            }
13161        }
13162
13163        if (returnCode != PackageManager.MOVE_SUCCEEDED) {
13164            try {
13165                observer.packageMoved(packageName, returnCode);
13166            } catch (RemoteException ignored) {
13167            }
13168            return;
13169        }
13170
13171        final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() {
13172            @Override
13173            public void onUserActionRequired(Intent intent) throws RemoteException {
13174                throw new IllegalStateException();
13175            }
13176
13177            @Override
13178            public void onPackageInstalled(String basePackageName, int returnCode, String msg,
13179                    Bundle extras) throws RemoteException {
13180                Slog.d(TAG, "Install result for move: "
13181                        + PackageManager.installStatusToString(returnCode, msg));
13182
13183                // We usually have a new package now after the install, but if
13184                // we failed we need to clear the pending flag on the original
13185                // package object.
13186                synchronized (mPackages) {
13187                    final PackageParser.Package pkg = mPackages.get(packageName);
13188                    if (pkg != null) {
13189                        pkg.mOperationPending = false;
13190                    }
13191                }
13192
13193                final int status = PackageManager.installStatusToPublicStatus(returnCode);
13194                switch (status) {
13195                    case PackageInstaller.STATUS_SUCCESS:
13196                        observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED);
13197                        break;
13198                    case PackageInstaller.STATUS_FAILURE_STORAGE:
13199                        observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE);
13200                        break;
13201                    default:
13202                        observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR);
13203                        break;
13204                }
13205            }
13206        };
13207
13208        // Treat a move like reinstalling an existing app, which ensures that we
13209        // process everythign uniformly, like unpacking native libraries.
13210        newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING;
13211
13212        final Message msg = mHandler.obtainMessage(INIT_COPY);
13213        final OriginInfo origin = OriginInfo.fromExistingFile(codeFile);
13214        msg.obj = new InstallParams(origin, installObserver, newInstallFlags,
13215                installerPackageName, null, user, packageAbiOverride);
13216        mHandler.sendMessage(msg);
13217    }
13218
13219    @Override
13220    public boolean setInstallLocation(int loc) {
13221        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS,
13222                null);
13223        if (getInstallLocation() == loc) {
13224            return true;
13225        }
13226        if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL
13227                || loc == PackageHelper.APP_INSTALL_EXTERNAL) {
13228            android.provider.Settings.Global.putInt(mContext.getContentResolver(),
13229                    android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc);
13230            return true;
13231        }
13232        return false;
13233   }
13234
13235    @Override
13236    public int getInstallLocation() {
13237        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
13238                android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION,
13239                PackageHelper.APP_INSTALL_AUTO);
13240    }
13241
13242    /** Called by UserManagerService */
13243    void cleanUpUserLILPw(UserManagerService userManager, int userHandle) {
13244        mDirtyUsers.remove(userHandle);
13245        mSettings.removeUserLPw(userHandle);
13246        mPendingBroadcasts.remove(userHandle);
13247        if (mInstaller != null) {
13248            // Technically, we shouldn't be doing this with the package lock
13249            // held.  However, this is very rare, and there is already so much
13250            // other disk I/O going on, that we'll let it slide for now.
13251            mInstaller.removeUserDataDirs(userHandle);
13252        }
13253        mUserNeedsBadging.delete(userHandle);
13254        removeUnusedPackagesLILPw(userManager, userHandle);
13255    }
13256
13257    /**
13258     * We're removing userHandle and would like to remove any downloaded packages
13259     * that are no longer in use by any other user.
13260     * @param userHandle the user being removed
13261     */
13262    private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) {
13263        final boolean DEBUG_CLEAN_APKS = false;
13264        int [] users = userManager.getUserIdsLPr();
13265        Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
13266        while (psit.hasNext()) {
13267            PackageSetting ps = psit.next();
13268            if (ps.pkg == null) {
13269                continue;
13270            }
13271            final String packageName = ps.pkg.packageName;
13272            // Skip over if system app
13273            if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) {
13274                continue;
13275            }
13276            if (DEBUG_CLEAN_APKS) {
13277                Slog.i(TAG, "Checking package " + packageName);
13278            }
13279            boolean keep = false;
13280            for (int i = 0; i < users.length; i++) {
13281                if (users[i] != userHandle && ps.getInstalled(users[i])) {
13282                    keep = true;
13283                    if (DEBUG_CLEAN_APKS) {
13284                        Slog.i(TAG, "  Keeping package " + packageName + " for user "
13285                                + users[i]);
13286                    }
13287                    break;
13288                }
13289            }
13290            if (!keep) {
13291                if (DEBUG_CLEAN_APKS) {
13292                    Slog.i(TAG, "  Removing package " + packageName);
13293                }
13294                mHandler.post(new Runnable() {
13295                    public void run() {
13296                        deletePackageX(packageName, userHandle, 0);
13297                    } //end run
13298                });
13299            }
13300        }
13301    }
13302
13303    /** Called by UserManagerService */
13304    void createNewUserLILPw(int userHandle, File path) {
13305        if (mInstaller != null) {
13306            mInstaller.createUserConfig(userHandle);
13307            mSettings.createNewUserLILPw(this, mInstaller, userHandle, path);
13308        }
13309    }
13310
13311    @Override
13312    public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException {
13313        mContext.enforceCallingOrSelfPermission(
13314                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
13315                "Only package verification agents can read the verifier device identity");
13316
13317        synchronized (mPackages) {
13318            return mSettings.getVerifierDeviceIdentityLPw();
13319        }
13320    }
13321
13322    @Override
13323    public void setPermissionEnforced(String permission, boolean enforced) {
13324        mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null);
13325        if (READ_EXTERNAL_STORAGE.equals(permission)) {
13326            synchronized (mPackages) {
13327                if (mSettings.mReadExternalStorageEnforced == null
13328                        || mSettings.mReadExternalStorageEnforced != enforced) {
13329                    mSettings.mReadExternalStorageEnforced = enforced;
13330                    mSettings.writeLPr();
13331                }
13332            }
13333            // kill any non-foreground processes so we restart them and
13334            // grant/revoke the GID.
13335            final IActivityManager am = ActivityManagerNative.getDefault();
13336            if (am != null) {
13337                final long token = Binder.clearCallingIdentity();
13338                try {
13339                    am.killProcessesBelowForeground("setPermissionEnforcement");
13340                } catch (RemoteException e) {
13341                } finally {
13342                    Binder.restoreCallingIdentity(token);
13343                }
13344            }
13345        } else {
13346            throw new IllegalArgumentException("No selective enforcement for " + permission);
13347        }
13348    }
13349
13350    @Override
13351    @Deprecated
13352    public boolean isPermissionEnforced(String permission) {
13353        return true;
13354    }
13355
13356    @Override
13357    public boolean isStorageLow() {
13358        final long token = Binder.clearCallingIdentity();
13359        try {
13360            final DeviceStorageMonitorInternal
13361                    dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
13362            if (dsm != null) {
13363                return dsm.isMemoryLow();
13364            } else {
13365                return false;
13366            }
13367        } finally {
13368            Binder.restoreCallingIdentity(token);
13369        }
13370    }
13371
13372    @Override
13373    public IPackageInstaller getPackageInstaller() {
13374        return mInstallerService;
13375    }
13376
13377    private boolean userNeedsBadging(int userId) {
13378        int index = mUserNeedsBadging.indexOfKey(userId);
13379        if (index < 0) {
13380            final UserInfo userInfo;
13381            final long token = Binder.clearCallingIdentity();
13382            try {
13383                userInfo = sUserManager.getUserInfo(userId);
13384            } finally {
13385                Binder.restoreCallingIdentity(token);
13386            }
13387            final boolean b;
13388            if (userInfo != null && userInfo.isManagedProfile()) {
13389                b = true;
13390            } else {
13391                b = false;
13392            }
13393            mUserNeedsBadging.put(userId, b);
13394            return b;
13395        }
13396        return mUserNeedsBadging.valueAt(index);
13397    }
13398
13399    @Override
13400    public KeySet getKeySetByAlias(String packageName, String alias) {
13401        if (packageName == null || alias == null) {
13402            return null;
13403        }
13404        synchronized(mPackages) {
13405            final PackageParser.Package pkg = mPackages.get(packageName);
13406            if (pkg == null) {
13407                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
13408                throw new IllegalArgumentException("Unknown package: " + packageName);
13409            }
13410            KeySetManagerService ksms = mSettings.mKeySetManagerService;
13411            return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias));
13412        }
13413    }
13414
13415    @Override
13416    public KeySet getSigningKeySet(String packageName) {
13417        if (packageName == null) {
13418            return null;
13419        }
13420        synchronized(mPackages) {
13421            final PackageParser.Package pkg = mPackages.get(packageName);
13422            if (pkg == null) {
13423                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
13424                throw new IllegalArgumentException("Unknown package: " + packageName);
13425            }
13426            if (pkg.applicationInfo.uid != Binder.getCallingUid()
13427                    && Process.SYSTEM_UID != Binder.getCallingUid()) {
13428                throw new SecurityException("May not access signing KeySet of other apps.");
13429            }
13430            KeySetManagerService ksms = mSettings.mKeySetManagerService;
13431            return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName));
13432        }
13433    }
13434
13435    @Override
13436    public boolean isPackageSignedByKeySet(String packageName, KeySet ks) {
13437        if (packageName == null || ks == null) {
13438            return false;
13439        }
13440        synchronized(mPackages) {
13441            final PackageParser.Package pkg = mPackages.get(packageName);
13442            if (pkg == null) {
13443                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
13444                throw new IllegalArgumentException("Unknown package: " + packageName);
13445            }
13446            IBinder ksh = ks.getToken();
13447            if (ksh instanceof KeySetHandle) {
13448                KeySetManagerService ksms = mSettings.mKeySetManagerService;
13449                return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh);
13450            }
13451            return false;
13452        }
13453    }
13454
13455    @Override
13456    public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) {
13457        if (packageName == null || ks == null) {
13458            return false;
13459        }
13460        synchronized(mPackages) {
13461            final PackageParser.Package pkg = mPackages.get(packageName);
13462            if (pkg == null) {
13463                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
13464                throw new IllegalArgumentException("Unknown package: " + packageName);
13465            }
13466            IBinder ksh = ks.getToken();
13467            if (ksh instanceof KeySetHandle) {
13468                KeySetManagerService ksms = mSettings.mKeySetManagerService;
13469                return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh);
13470            }
13471            return false;
13472        }
13473    }
13474}
13475