PackageManagerService.java revision 15447798a38d2b5acb1998731340255f4203f294
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.READ_EXTERNAL_STORAGE;
20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE;
21import static android.Manifest.permission.WRITE_MEDIA_STORAGE;
22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT;
23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED;
25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER;
26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED;
27import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT;
28import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED;
29import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE;
30import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED;
31import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED;
32import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET;
33import static android.content.pm.PackageManager.INSTALL_EXTERNAL;
34import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
35import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER;
36import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT;
37import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE;
38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION;
39import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
40import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
41import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK;
42import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
43import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY;
44import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED;
45import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE;
46import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE;
47import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY;
48import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED;
49import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE;
50import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED;
51import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE;
52import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK;
53import static android.content.pm.PackageManager.INSTALL_INTERNAL;
54import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES;
55import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS;
56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK;
57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER;
58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED;
59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK;
60import static android.content.pm.PackageManager.MATCH_ALL;
61import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST;
62import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR;
63import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING;
64import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE;
65import static android.content.pm.PackageManager.PERMISSION_DENIED;
66import static android.content.pm.PackageManager.PERMISSION_GRANTED;
67import static android.content.pm.PackageParser.isApkFile;
68import static android.os.Process.PACKAGE_INFO_GID;
69import static android.os.Process.SYSTEM_UID;
70import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER;
71import static android.system.OsConstants.O_CREAT;
72import static android.system.OsConstants.O_RDWR;
73import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE;
74import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT;
75import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME;
76import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME;
77import static com.android.internal.util.ArrayUtils.appendInt;
78import static com.android.server.pm.Installer.DEXOPT_PUBLIC;
79import static com.android.server.pm.InstructionSets.getAppDexInstructionSets;
80import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet;
81import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets;
82import static com.android.server.pm.InstructionSets.getPreferredInstructionSet;
83import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet;
84import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE;
85import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS;
86import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED;
87
88import android.Manifest;
89import android.app.ActivityManager;
90import android.app.ActivityManagerNative;
91import android.app.AppGlobals;
92import android.app.IActivityManager;
93import android.app.admin.IDevicePolicyManager;
94import android.app.backup.IBackupManager;
95import android.app.usage.UsageStats;
96import android.app.usage.UsageStatsManager;
97import android.content.BroadcastReceiver;
98import android.content.ComponentName;
99import android.content.Context;
100import android.content.IIntentReceiver;
101import android.content.Intent;
102import android.content.IntentFilter;
103import android.content.IntentSender;
104import android.content.IntentSender.SendIntentException;
105import android.content.ServiceConnection;
106import android.content.pm.ActivityInfo;
107import android.content.pm.ApplicationInfo;
108import android.content.pm.FeatureInfo;
109import android.content.pm.IOnPermissionsChangeListener;
110import android.content.pm.IPackageDataObserver;
111import android.content.pm.IPackageDeleteObserver;
112import android.content.pm.IPackageDeleteObserver2;
113import android.content.pm.IPackageInstallObserver2;
114import android.content.pm.IPackageInstaller;
115import android.content.pm.IPackageManager;
116import android.content.pm.IPackageMoveObserver;
117import android.content.pm.IPackageStatsObserver;
118import android.content.pm.InstrumentationInfo;
119import android.content.pm.IntentFilterVerificationInfo;
120import android.content.pm.KeySet;
121import android.content.pm.ManifestDigest;
122import android.content.pm.PackageCleanItem;
123import android.content.pm.PackageInfo;
124import android.content.pm.PackageInfoLite;
125import android.content.pm.PackageInstaller;
126import android.content.pm.PackageManager;
127import android.content.pm.PackageManager.LegacyPackageDeleteObserver;
128import android.content.pm.PackageManagerInternal;
129import android.content.pm.PackageParser;
130import android.content.pm.PackageParser.ActivityIntentInfo;
131import android.content.pm.PackageParser.PackageLite;
132import android.content.pm.PackageParser.PackageParserException;
133import android.content.pm.PackageStats;
134import android.content.pm.PackageUserState;
135import android.content.pm.ParceledListSlice;
136import android.content.pm.PermissionGroupInfo;
137import android.content.pm.PermissionInfo;
138import android.content.pm.ProviderInfo;
139import android.content.pm.ResolveInfo;
140import android.content.pm.ServiceInfo;
141import android.content.pm.Signature;
142import android.content.pm.UserInfo;
143import android.content.pm.VerificationParams;
144import android.content.pm.VerifierDeviceIdentity;
145import android.content.pm.VerifierInfo;
146import android.content.res.Resources;
147import android.hardware.display.DisplayManager;
148import android.net.Uri;
149import android.os.Debug;
150import android.os.Binder;
151import android.os.Build;
152import android.os.Bundle;
153import android.os.Environment;
154import android.os.Environment.UserEnvironment;
155import android.os.FileUtils;
156import android.os.Handler;
157import android.os.IBinder;
158import android.os.Looper;
159import android.os.Message;
160import android.os.Parcel;
161import android.os.ParcelFileDescriptor;
162import android.os.Process;
163import android.os.RemoteCallbackList;
164import android.os.RemoteException;
165import android.os.ResultReceiver;
166import android.os.SELinux;
167import android.os.ServiceManager;
168import android.os.SystemClock;
169import android.os.SystemProperties;
170import android.os.Trace;
171import android.os.UserHandle;
172import android.os.UserManager;
173import android.os.storage.IMountService;
174import android.os.storage.MountServiceInternal;
175import android.os.storage.StorageEventListener;
176import android.os.storage.StorageManager;
177import android.os.storage.VolumeInfo;
178import android.os.storage.VolumeRecord;
179import android.security.KeyStore;
180import android.security.SystemKeyStore;
181import android.system.ErrnoException;
182import android.system.Os;
183import android.system.StructStat;
184import android.text.TextUtils;
185import android.text.format.DateUtils;
186import android.util.ArrayMap;
187import android.util.ArraySet;
188import android.util.AtomicFile;
189import android.util.DisplayMetrics;
190import android.util.EventLog;
191import android.util.ExceptionUtils;
192import android.util.Log;
193import android.util.LogPrinter;
194import android.util.MathUtils;
195import android.util.PrintStreamPrinter;
196import android.util.Slog;
197import android.util.SparseArray;
198import android.util.SparseBooleanArray;
199import android.util.SparseIntArray;
200import android.util.Xml;
201import android.view.Display;
202
203import dalvik.system.DexFile;
204import dalvik.system.VMRuntime;
205
206import libcore.io.IoUtils;
207import libcore.util.EmptyArray;
208
209import com.android.internal.R;
210import com.android.internal.annotations.GuardedBy;
211import com.android.internal.app.IMediaContainerService;
212import com.android.internal.app.ResolverActivity;
213import com.android.internal.content.NativeLibraryHelper;
214import com.android.internal.content.PackageHelper;
215import com.android.internal.os.IParcelFileDescriptorFactory;
216import com.android.internal.os.SomeArgs;
217import com.android.internal.os.Zygote;
218import com.android.internal.util.ArrayUtils;
219import com.android.internal.util.FastPrintWriter;
220import com.android.internal.util.FastXmlSerializer;
221import com.android.internal.util.IndentingPrintWriter;
222import com.android.internal.util.Preconditions;
223import com.android.server.EventLogTags;
224import com.android.server.FgThread;
225import com.android.server.IntentResolver;
226import com.android.server.LocalServices;
227import com.android.server.ServiceThread;
228import com.android.server.SystemConfig;
229import com.android.server.Watchdog;
230import com.android.server.pm.PermissionsState.PermissionState;
231import com.android.server.pm.Settings.DatabaseVersion;
232import com.android.server.pm.Settings.VersionInfo;
233import com.android.server.storage.DeviceStorageMonitorInternal;
234
235import org.xmlpull.v1.XmlPullParser;
236import org.xmlpull.v1.XmlPullParserException;
237import org.xmlpull.v1.XmlSerializer;
238
239import java.io.BufferedInputStream;
240import java.io.BufferedOutputStream;
241import java.io.BufferedReader;
242import java.io.ByteArrayInputStream;
243import java.io.ByteArrayOutputStream;
244import java.io.File;
245import java.io.FileDescriptor;
246import java.io.FileNotFoundException;
247import java.io.FileOutputStream;
248import java.io.FileReader;
249import java.io.FilenameFilter;
250import java.io.IOException;
251import java.io.InputStream;
252import java.io.PrintWriter;
253import java.nio.charset.StandardCharsets;
254import java.security.NoSuchAlgorithmException;
255import java.security.PublicKey;
256import java.security.cert.CertificateEncodingException;
257import java.security.cert.CertificateException;
258import java.text.SimpleDateFormat;
259import java.util.ArrayList;
260import java.util.Arrays;
261import java.util.Collection;
262import java.util.Collections;
263import java.util.Comparator;
264import java.util.Date;
265import java.util.Iterator;
266import java.util.List;
267import java.util.Map;
268import java.util.Objects;
269import java.util.Set;
270import java.util.concurrent.CountDownLatch;
271import java.util.concurrent.TimeUnit;
272import java.util.concurrent.atomic.AtomicBoolean;
273import java.util.concurrent.atomic.AtomicInteger;
274import java.util.concurrent.atomic.AtomicLong;
275
276/**
277 * Keep track of all those .apks everywhere.
278 *
279 * This is very central to the platform's security; please run the unit
280 * tests whenever making modifications here:
281 *
282runtest -c android.content.pm.PackageManagerTests frameworks-core
283 *
284 * {@hide}
285 */
286public class PackageManagerService extends IPackageManager.Stub {
287    static final String TAG = "PackageManager";
288    static final boolean DEBUG_SETTINGS = false;
289    static final boolean DEBUG_PREFERRED = false;
290    static final boolean DEBUG_UPGRADE = false;
291    static final boolean DEBUG_DOMAIN_VERIFICATION = false;
292    private static final boolean DEBUG_BACKUP = false;
293    private static final boolean DEBUG_INSTALL = false;
294    private static final boolean DEBUG_REMOVE = false;
295    private static final boolean DEBUG_BROADCASTS = false;
296    private static final boolean DEBUG_SHOW_INFO = false;
297    private static final boolean DEBUG_PACKAGE_INFO = false;
298    private static final boolean DEBUG_INTENT_MATCHING = false;
299    private static final boolean DEBUG_PACKAGE_SCANNING = false;
300    private static final boolean DEBUG_VERIFY = false;
301    private static final boolean DEBUG_DEXOPT = false;
302    private static final boolean DEBUG_ABI_SELECTION = false;
303
304    static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false;
305
306    private static final int RADIO_UID = Process.PHONE_UID;
307    private static final int LOG_UID = Process.LOG_UID;
308    private static final int NFC_UID = Process.NFC_UID;
309    private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID;
310    private static final int SHELL_UID = Process.SHELL_UID;
311
312    // Cap the size of permission trees that 3rd party apps can define
313    private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768;     // characters of text
314
315    // Suffix used during package installation when copying/moving
316    // package apks to install directory.
317    private static final String INSTALL_PACKAGE_SUFFIX = "-";
318
319    static final int SCAN_NO_DEX = 1<<1;
320    static final int SCAN_FORCE_DEX = 1<<2;
321    static final int SCAN_UPDATE_SIGNATURE = 1<<3;
322    static final int SCAN_NEW_INSTALL = 1<<4;
323    static final int SCAN_NO_PATHS = 1<<5;
324    static final int SCAN_UPDATE_TIME = 1<<6;
325    static final int SCAN_DEFER_DEX = 1<<7;
326    static final int SCAN_BOOTING = 1<<8;
327    static final int SCAN_TRUSTED_OVERLAY = 1<<9;
328    static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10;
329    static final int SCAN_REPLACING = 1<<11;
330    static final int SCAN_REQUIRE_KNOWN = 1<<12;
331    static final int SCAN_MOVE = 1<<13;
332    static final int SCAN_INITIAL = 1<<14;
333
334    static final int REMOVE_CHATTY = 1<<16;
335
336    private static final int[] EMPTY_INT_ARRAY = new int[0];
337
338    /**
339     * Timeout (in milliseconds) after which the watchdog should declare that
340     * our handler thread is wedged.  The usual default for such things is one
341     * minute but we sometimes do very lengthy I/O operations on this thread,
342     * such as installing multi-gigabyte applications, so ours needs to be longer.
343     */
344    private static final long WATCHDOG_TIMEOUT = 1000*60*10;     // ten minutes
345
346    /**
347     * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim
348     * be run on this device.  We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL
349     * settings entry if available, otherwise we use the hardcoded default.  If it's been
350     * more than this long since the last fstrim, we force one during the boot sequence.
351     *
352     * This backstops other fstrim scheduling:  if the device is alive at midnight+idle,
353     * one gets run at the next available charging+idle time.  This final mandatory
354     * no-fstrim check kicks in only of the other scheduling criteria is never met.
355     */
356    private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS;
357
358    /**
359     * Whether verification is enabled by default.
360     */
361    private static final boolean DEFAULT_VERIFY_ENABLE = true;
362
363    /**
364     * The default maximum time to wait for the verification agent to return in
365     * milliseconds.
366     */
367    private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000;
368
369    /**
370     * The default response for package verification timeout.
371     *
372     * This can be either PackageManager.VERIFICATION_ALLOW or
373     * PackageManager.VERIFICATION_REJECT.
374     */
375    private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW;
376
377    static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer";
378
379    static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName(
380            DEFAULT_CONTAINER_PACKAGE,
381            "com.android.defcontainer.DefaultContainerService");
382
383    private static final String KILL_APP_REASON_GIDS_CHANGED =
384            "permission grant or revoke changed gids";
385
386    private static final String KILL_APP_REASON_PERMISSIONS_REVOKED =
387            "permissions revoked";
388
389    private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
390
391    private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay";
392
393    /** Permission grant: not grant the permission. */
394    private static final int GRANT_DENIED = 1;
395
396    /** Permission grant: grant the permission as an install permission. */
397    private static final int GRANT_INSTALL = 2;
398
399    /** Permission grant: grant the permission as an install permission for a legacy app. */
400    private static final int GRANT_INSTALL_LEGACY = 3;
401
402    /** Permission grant: grant the permission as a runtime one. */
403    private static final int GRANT_RUNTIME = 4;
404
405    /** Permission grant: grant as runtime a permission that was granted as an install time one. */
406    private static final int GRANT_UPGRADE = 5;
407
408    /** Canonical intent used to identify what counts as a "web browser" app */
409    private static final Intent sBrowserIntent;
410    static {
411        sBrowserIntent = new Intent();
412        sBrowserIntent.setAction(Intent.ACTION_VIEW);
413        sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE);
414        sBrowserIntent.setData(Uri.parse("http:"));
415    }
416
417    final ServiceThread mHandlerThread;
418
419    final PackageHandler mHandler;
420
421    /**
422     * Messages for {@link #mHandler} that need to wait for system ready before
423     * being dispatched.
424     */
425    private ArrayList<Message> mPostSystemReadyMessages;
426
427    final int mSdkVersion = Build.VERSION.SDK_INT;
428
429    final Context mContext;
430    final boolean mFactoryTest;
431    final boolean mOnlyCore;
432    final boolean mLazyDexOpt;
433    final long mDexOptLRUThresholdInMills;
434    final DisplayMetrics mMetrics;
435    final int mDefParseFlags;
436    final String[] mSeparateProcesses;
437    final boolean mIsUpgrade;
438
439    // This is where all application persistent data goes.
440    final File mAppDataDir;
441
442    // This is where all application persistent data goes for secondary users.
443    final File mUserAppDataDir;
444
445    /** The location for ASEC container files on internal storage. */
446    final String mAsecInternalPath;
447
448    // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages
449    // LOCK HELD.  Can be called with mInstallLock held.
450    @GuardedBy("mInstallLock")
451    final Installer mInstaller;
452
453    /** Directory where installed third-party apps stored */
454    final File mAppInstallDir;
455
456    /**
457     * Directory to which applications installed internally have their
458     * 32 bit native libraries copied.
459     */
460    private File mAppLib32InstallDir;
461
462    // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked
463    // apps.
464    final File mDrmAppPrivateInstallDir;
465
466    // ----------------------------------------------------------------
467
468    // Lock for state used when installing and doing other long running
469    // operations.  Methods that must be called with this lock held have
470    // the suffix "LI".
471    final Object mInstallLock = new Object();
472
473    // ----------------------------------------------------------------
474
475    // Keys are String (package name), values are Package.  This also serves
476    // as the lock for the global state.  Methods that must be called with
477    // this lock held have the prefix "LP".
478    @GuardedBy("mPackages")
479    final ArrayMap<String, PackageParser.Package> mPackages =
480            new ArrayMap<String, PackageParser.Package>();
481
482    // Tracks available target package names -> overlay package paths.
483    final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays =
484        new ArrayMap<String, ArrayMap<String, PackageParser.Package>>();
485
486    /**
487     * Tracks new system packages [received in an OTA] that we expect to
488     * find updated user-installed versions. Keys are package name, values
489     * are package location.
490     */
491    final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>();
492
493    /**
494     * Tracks existing system packages prior to receiving an OTA. Keys are package name.
495     */
496    final private ArraySet<String> mExistingSystemPackages = new ArraySet<>();
497    /**
498     * Whether or not system app permissions should be promoted from install to runtime.
499     */
500    boolean mPromoteSystemApps;
501
502    final Settings mSettings;
503    boolean mRestoredSettings;
504
505    // System configuration read by SystemConfig.
506    final int[] mGlobalGids;
507    final SparseArray<ArraySet<String>> mSystemPermissions;
508    final ArrayMap<String, FeatureInfo> mAvailableFeatures;
509
510    // If mac_permissions.xml was found for seinfo labeling.
511    boolean mFoundPolicyFile;
512
513    // If a recursive restorecon of /data/data/<pkg> is needed.
514    private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon();
515
516    public static final class SharedLibraryEntry {
517        public final String path;
518        public final String apk;
519
520        SharedLibraryEntry(String _path, String _apk) {
521            path = _path;
522            apk = _apk;
523        }
524    }
525
526    // Currently known shared libraries.
527    final ArrayMap<String, SharedLibraryEntry> mSharedLibraries =
528            new ArrayMap<String, SharedLibraryEntry>();
529
530    // All available activities, for your resolving pleasure.
531    final ActivityIntentResolver mActivities =
532            new ActivityIntentResolver();
533
534    // All available receivers, for your resolving pleasure.
535    final ActivityIntentResolver mReceivers =
536            new ActivityIntentResolver();
537
538    // All available services, for your resolving pleasure.
539    final ServiceIntentResolver mServices = new ServiceIntentResolver();
540
541    // All available providers, for your resolving pleasure.
542    final ProviderIntentResolver mProviders = new ProviderIntentResolver();
543
544    // Mapping from provider base names (first directory in content URI codePath)
545    // to the provider information.
546    final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority =
547            new ArrayMap<String, PackageParser.Provider>();
548
549    // Mapping from instrumentation class names to info about them.
550    final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation =
551            new ArrayMap<ComponentName, PackageParser.Instrumentation>();
552
553    // Mapping from permission names to info about them.
554    final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups =
555            new ArrayMap<String, PackageParser.PermissionGroup>();
556
557    // Packages whose data we have transfered into another package, thus
558    // should no longer exist.
559    final ArraySet<String> mTransferedPackages = new ArraySet<String>();
560
561    // Broadcast actions that are only available to the system.
562    final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>();
563
564    /** List of packages waiting for verification. */
565    final SparseArray<PackageVerificationState> mPendingVerification
566            = new SparseArray<PackageVerificationState>();
567
568    /** Set of packages associated with each app op permission. */
569    final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>();
570
571    final PackageInstallerService mInstallerService;
572
573    private final PackageDexOptimizer mPackageDexOptimizer;
574
575    private AtomicInteger mNextMoveId = new AtomicInteger();
576    private final MoveCallbacks mMoveCallbacks;
577
578    private final OnPermissionChangeListeners mOnPermissionChangeListeners;
579
580    // Cache of users who need badging.
581    SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray();
582
583    /** Token for keys in mPendingVerification. */
584    private int mPendingVerificationToken = 0;
585
586    volatile boolean mSystemReady;
587    volatile boolean mSafeMode;
588    volatile boolean mHasSystemUidErrors;
589
590    ApplicationInfo mAndroidApplication;
591    final ActivityInfo mResolveActivity = new ActivityInfo();
592    final ResolveInfo mResolveInfo = new ResolveInfo();
593    ComponentName mResolveComponentName;
594    PackageParser.Package mPlatformPackage;
595    ComponentName mCustomResolverComponentName;
596
597    boolean mResolverReplaced = false;
598
599    private final ComponentName mIntentFilterVerifierComponent;
600    private int mIntentFilterVerificationToken = 0;
601
602    final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates
603            = new SparseArray<IntentFilterVerificationState>();
604
605    final DefaultPermissionGrantPolicy mDefaultPermissionPolicy =
606            new DefaultPermissionGrantPolicy(this);
607
608    private static class IFVerificationParams {
609        PackageParser.Package pkg;
610        boolean replacing;
611        int userId;
612        int verifierUid;
613
614        public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing,
615                int _userId, int _verifierUid) {
616            pkg = _pkg;
617            replacing = _replacing;
618            userId = _userId;
619            replacing = _replacing;
620            verifierUid = _verifierUid;
621        }
622    }
623
624    private interface IntentFilterVerifier<T extends IntentFilter> {
625        boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId,
626                                               T filter, String packageName);
627        void startVerifications(int userId);
628        void receiveVerificationResponse(int verificationId);
629    }
630
631    private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> {
632        private Context mContext;
633        private ComponentName mIntentFilterVerifierComponent;
634        private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>();
635
636        public IntentVerifierProxy(Context context, ComponentName verifierComponent) {
637            mContext = context;
638            mIntentFilterVerifierComponent = verifierComponent;
639        }
640
641        private String getDefaultScheme() {
642            return IntentFilter.SCHEME_HTTPS;
643        }
644
645        @Override
646        public void startVerifications(int userId) {
647            // Launch verifications requests
648            int count = mCurrentIntentFilterVerifications.size();
649            for (int n=0; n<count; n++) {
650                int verificationId = mCurrentIntentFilterVerifications.get(n);
651                final IntentFilterVerificationState ivs =
652                        mIntentFilterVerificationStates.get(verificationId);
653
654                String packageName = ivs.getPackageName();
655
656                ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters();
657                final int filterCount = filters.size();
658                ArraySet<String> domainsSet = new ArraySet<>();
659                for (int m=0; m<filterCount; m++) {
660                    PackageParser.ActivityIntentInfo filter = filters.get(m);
661                    domainsSet.addAll(filter.getHostsList());
662                }
663                ArrayList<String> domainsList = new ArrayList<>(domainsSet);
664                synchronized (mPackages) {
665                    if (mSettings.createIntentFilterVerificationIfNeededLPw(
666                            packageName, domainsList) != null) {
667                        scheduleWriteSettingsLocked();
668                    }
669                }
670                sendVerificationRequest(userId, verificationId, ivs);
671            }
672            mCurrentIntentFilterVerifications.clear();
673        }
674
675        private void sendVerificationRequest(int userId, int verificationId,
676                IntentFilterVerificationState ivs) {
677
678            Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION);
679            verificationIntent.putExtra(
680                    PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID,
681                    verificationId);
682            verificationIntent.putExtra(
683                    PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME,
684                    getDefaultScheme());
685            verificationIntent.putExtra(
686                    PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS,
687                    ivs.getHostsString());
688            verificationIntent.putExtra(
689                    PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME,
690                    ivs.getPackageName());
691            verificationIntent.setComponent(mIntentFilterVerifierComponent);
692            verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
693
694            UserHandle user = new UserHandle(userId);
695            mContext.sendBroadcastAsUser(verificationIntent, user);
696            if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
697                    "Sending IntentFilter verification broadcast");
698        }
699
700        public void receiveVerificationResponse(int verificationId) {
701            IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId);
702
703            final boolean verified = ivs.isVerified();
704
705            ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters();
706            final int count = filters.size();
707            if (DEBUG_DOMAIN_VERIFICATION) {
708                Slog.i(TAG, "Received verification response " + verificationId
709                        + " for " + count + " filters, verified=" + verified);
710            }
711            for (int n=0; n<count; n++) {
712                PackageParser.ActivityIntentInfo filter = filters.get(n);
713                filter.setVerified(verified);
714
715                if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString()
716                        + " verified with result:" + verified + " and hosts:"
717                        + ivs.getHostsString());
718            }
719
720            mIntentFilterVerificationStates.remove(verificationId);
721
722            final String packageName = ivs.getPackageName();
723            IntentFilterVerificationInfo ivi = null;
724
725            synchronized (mPackages) {
726                ivi = mSettings.getIntentFilterVerificationLPr(packageName);
727            }
728            if (ivi == null) {
729                Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:"
730                        + verificationId + " packageName:" + packageName);
731                return;
732            }
733            if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
734                    "Updating IntentFilterVerificationInfo for package " + packageName
735                            +" verificationId:" + verificationId);
736
737            synchronized (mPackages) {
738                if (verified) {
739                    ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS);
740                } else {
741                    ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK);
742                }
743                scheduleWriteSettingsLocked();
744
745                final int userId = ivs.getUserId();
746                if (userId != UserHandle.USER_ALL) {
747                    final int userStatus =
748                            mSettings.getIntentFilterVerificationStatusLPr(packageName, userId);
749
750                    int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED;
751                    boolean needUpdate = false;
752
753                    // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have
754                    // already been set by the User thru the Disambiguation dialog
755                    switch (userStatus) {
756                        case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED:
757                            if (verified) {
758                                updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS;
759                            } else {
760                                updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK;
761                            }
762                            needUpdate = true;
763                            break;
764
765                        case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK:
766                            if (verified) {
767                                updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS;
768                                needUpdate = true;
769                            }
770                            break;
771
772                        default:
773                            // Nothing to do
774                    }
775
776                    if (needUpdate) {
777                        mSettings.updateIntentFilterVerificationStatusLPw(
778                                packageName, updatedStatus, userId);
779                        scheduleWritePackageRestrictionsLocked(userId);
780                    }
781                }
782            }
783        }
784
785        @Override
786        public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId,
787                    ActivityIntentInfo filter, String packageName) {
788            if (!hasValidDomains(filter)) {
789                return false;
790            }
791            IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId);
792            if (ivs == null) {
793                ivs = createDomainVerificationState(verifierUid, userId, verificationId,
794                        packageName);
795            }
796            if (DEBUG_DOMAIN_VERIFICATION) {
797                Slog.d(TAG, "Adding verification filter for " + packageName + " : " + filter);
798            }
799            ivs.addFilter(filter);
800            return true;
801        }
802
803        private IntentFilterVerificationState createDomainVerificationState(int verifierUid,
804                int userId, int verificationId, String packageName) {
805            IntentFilterVerificationState ivs = new IntentFilterVerificationState(
806                    verifierUid, userId, packageName);
807            ivs.setPendingState();
808            synchronized (mPackages) {
809                mIntentFilterVerificationStates.append(verificationId, ivs);
810                mCurrentIntentFilterVerifications.add(verificationId);
811            }
812            return ivs;
813        }
814    }
815
816    private static boolean hasValidDomains(ActivityIntentInfo filter) {
817        return filter.hasCategory(Intent.CATEGORY_BROWSABLE)
818                && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) ||
819                        filter.hasDataScheme(IntentFilter.SCHEME_HTTPS));
820    }
821
822    private IntentFilterVerifier mIntentFilterVerifier;
823
824    // Set of pending broadcasts for aggregating enable/disable of components.
825    static class PendingPackageBroadcasts {
826        // for each user id, a map of <package name -> components within that package>
827        final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap;
828
829        public PendingPackageBroadcasts() {
830            mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2);
831        }
832
833        public ArrayList<String> get(int userId, String packageName) {
834            ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId);
835            return packages.get(packageName);
836        }
837
838        public void put(int userId, String packageName, ArrayList<String> components) {
839            ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId);
840            packages.put(packageName, components);
841        }
842
843        public void remove(int userId, String packageName) {
844            ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId);
845            if (packages != null) {
846                packages.remove(packageName);
847            }
848        }
849
850        public void remove(int userId) {
851            mUidMap.remove(userId);
852        }
853
854        public int userIdCount() {
855            return mUidMap.size();
856        }
857
858        public int userIdAt(int n) {
859            return mUidMap.keyAt(n);
860        }
861
862        public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) {
863            return mUidMap.get(userId);
864        }
865
866        public int size() {
867            // total number of pending broadcast entries across all userIds
868            int num = 0;
869            for (int i = 0; i< mUidMap.size(); i++) {
870                num += mUidMap.valueAt(i).size();
871            }
872            return num;
873        }
874
875        public void clear() {
876            mUidMap.clear();
877        }
878
879        private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) {
880            ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId);
881            if (map == null) {
882                map = new ArrayMap<String, ArrayList<String>>();
883                mUidMap.put(userId, map);
884            }
885            return map;
886        }
887    }
888    final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts();
889
890    // Service Connection to remote media container service to copy
891    // package uri's from external media onto secure containers
892    // or internal storage.
893    private IMediaContainerService mContainerService = null;
894
895    static final int SEND_PENDING_BROADCAST = 1;
896    static final int MCS_BOUND = 3;
897    static final int END_COPY = 4;
898    static final int INIT_COPY = 5;
899    static final int MCS_UNBIND = 6;
900    static final int START_CLEANING_PACKAGE = 7;
901    static final int FIND_INSTALL_LOC = 8;
902    static final int POST_INSTALL = 9;
903    static final int MCS_RECONNECT = 10;
904    static final int MCS_GIVE_UP = 11;
905    static final int UPDATED_MEDIA_STATUS = 12;
906    static final int WRITE_SETTINGS = 13;
907    static final int WRITE_PACKAGE_RESTRICTIONS = 14;
908    static final int PACKAGE_VERIFIED = 15;
909    static final int CHECK_PENDING_VERIFICATION = 16;
910    static final int START_INTENT_FILTER_VERIFICATIONS = 17;
911    static final int INTENT_FILTER_VERIFIED = 18;
912
913    static final int WRITE_SETTINGS_DELAY = 10*1000;  // 10 seconds
914
915    // Delay time in millisecs
916    static final int BROADCAST_DELAY = 10 * 1000;
917
918    static UserManagerService sUserManager;
919
920    // Stores a list of users whose package restrictions file needs to be updated
921    private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>();
922
923    final private DefaultContainerConnection mDefContainerConn =
924            new DefaultContainerConnection();
925    class DefaultContainerConnection implements ServiceConnection {
926        public void onServiceConnected(ComponentName name, IBinder service) {
927            if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected");
928            IMediaContainerService imcs =
929                IMediaContainerService.Stub.asInterface(service);
930            mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs));
931        }
932
933        public void onServiceDisconnected(ComponentName name) {
934            if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected");
935        }
936    }
937
938    // Recordkeeping of restore-after-install operations that are currently in flight
939    // between the Package Manager and the Backup Manager
940    class PostInstallData {
941        public InstallArgs args;
942        public PackageInstalledInfo res;
943
944        PostInstallData(InstallArgs _a, PackageInstalledInfo _r) {
945            args = _a;
946            res = _r;
947        }
948    }
949
950    final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>();
951    int mNextInstallToken = 1;  // nonzero; will be wrapped back to 1 when ++ overflows
952
953    // XML tags for backup/restore of various bits of state
954    private static final String TAG_PREFERRED_BACKUP = "pa";
955    private static final String TAG_DEFAULT_APPS = "da";
956    private static final String TAG_INTENT_FILTER_VERIFICATION = "iv";
957
958    final String mRequiredVerifierPackage;
959    final String mRequiredInstallerPackage;
960
961    private final PackageUsage mPackageUsage = new PackageUsage();
962
963    private class PackageUsage {
964        private static final int WRITE_INTERVAL
965            = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms
966
967        private final Object mFileLock = new Object();
968        private final AtomicLong mLastWritten = new AtomicLong(0);
969        private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false);
970
971        private boolean mIsHistoricalPackageUsageAvailable = true;
972
973        boolean isHistoricalPackageUsageAvailable() {
974            return mIsHistoricalPackageUsageAvailable;
975        }
976
977        void write(boolean force) {
978            if (force) {
979                writeInternal();
980                return;
981            }
982            if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL
983                && !DEBUG_DEXOPT) {
984                return;
985            }
986            if (mBackgroundWriteRunning.compareAndSet(false, true)) {
987                new Thread("PackageUsage_DiskWriter") {
988                    @Override
989                    public void run() {
990                        try {
991                            writeInternal();
992                        } finally {
993                            mBackgroundWriteRunning.set(false);
994                        }
995                    }
996                }.start();
997            }
998        }
999
1000        private void writeInternal() {
1001            synchronized (mPackages) {
1002                synchronized (mFileLock) {
1003                    AtomicFile file = getFile();
1004                    FileOutputStream f = null;
1005                    try {
1006                        f = file.startWrite();
1007                        BufferedOutputStream out = new BufferedOutputStream(f);
1008                        FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID);
1009                        StringBuilder sb = new StringBuilder();
1010                        for (PackageParser.Package pkg : mPackages.values()) {
1011                            if (pkg.mLastPackageUsageTimeInMills == 0) {
1012                                continue;
1013                            }
1014                            sb.setLength(0);
1015                            sb.append(pkg.packageName);
1016                            sb.append(' ');
1017                            sb.append((long)pkg.mLastPackageUsageTimeInMills);
1018                            sb.append('\n');
1019                            out.write(sb.toString().getBytes(StandardCharsets.US_ASCII));
1020                        }
1021                        out.flush();
1022                        file.finishWrite(f);
1023                    } catch (IOException e) {
1024                        if (f != null) {
1025                            file.failWrite(f);
1026                        }
1027                        Log.e(TAG, "Failed to write package usage times", e);
1028                    }
1029                }
1030            }
1031            mLastWritten.set(SystemClock.elapsedRealtime());
1032        }
1033
1034        void readLP() {
1035            synchronized (mFileLock) {
1036                AtomicFile file = getFile();
1037                BufferedInputStream in = null;
1038                try {
1039                    in = new BufferedInputStream(file.openRead());
1040                    StringBuffer sb = new StringBuffer();
1041                    while (true) {
1042                        String packageName = readToken(in, sb, ' ');
1043                        if (packageName == null) {
1044                            break;
1045                        }
1046                        String timeInMillisString = readToken(in, sb, '\n');
1047                        if (timeInMillisString == null) {
1048                            throw new IOException("Failed to find last usage time for package "
1049                                                  + packageName);
1050                        }
1051                        PackageParser.Package pkg = mPackages.get(packageName);
1052                        if (pkg == null) {
1053                            continue;
1054                        }
1055                        long timeInMillis;
1056                        try {
1057                            timeInMillis = Long.parseLong(timeInMillisString.toString());
1058                        } catch (NumberFormatException e) {
1059                            throw new IOException("Failed to parse " + timeInMillisString
1060                                                  + " as a long.", e);
1061                        }
1062                        pkg.mLastPackageUsageTimeInMills = timeInMillis;
1063                    }
1064                } catch (FileNotFoundException expected) {
1065                    mIsHistoricalPackageUsageAvailable = false;
1066                } catch (IOException e) {
1067                    Log.w(TAG, "Failed to read package usage times", e);
1068                } finally {
1069                    IoUtils.closeQuietly(in);
1070                }
1071            }
1072            mLastWritten.set(SystemClock.elapsedRealtime());
1073        }
1074
1075        private String readToken(InputStream in, StringBuffer sb, char endOfToken)
1076                throws IOException {
1077            sb.setLength(0);
1078            while (true) {
1079                int ch = in.read();
1080                if (ch == -1) {
1081                    if (sb.length() == 0) {
1082                        return null;
1083                    }
1084                    throw new IOException("Unexpected EOF");
1085                }
1086                if (ch == endOfToken) {
1087                    return sb.toString();
1088                }
1089                sb.append((char)ch);
1090            }
1091        }
1092
1093        private AtomicFile getFile() {
1094            File dataDir = Environment.getDataDirectory();
1095            File systemDir = new File(dataDir, "system");
1096            File fname = new File(systemDir, "package-usage.list");
1097            return new AtomicFile(fname);
1098        }
1099    }
1100
1101    class PackageHandler extends Handler {
1102        private boolean mBound = false;
1103        final ArrayList<HandlerParams> mPendingInstalls =
1104            new ArrayList<HandlerParams>();
1105
1106        private boolean connectToService() {
1107            if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" +
1108                    " DefaultContainerService");
1109            Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
1110            Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1111            if (mContext.bindServiceAsUser(service, mDefContainerConn,
1112                    Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) {
1113                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1114                mBound = true;
1115                return true;
1116            }
1117            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1118            return false;
1119        }
1120
1121        private void disconnectService() {
1122            mContainerService = null;
1123            mBound = false;
1124            Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1125            mContext.unbindService(mDefContainerConn);
1126            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1127        }
1128
1129        PackageHandler(Looper looper) {
1130            super(looper);
1131        }
1132
1133        public void handleMessage(Message msg) {
1134            try {
1135                doHandleMessage(msg);
1136            } finally {
1137                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1138            }
1139        }
1140
1141        void doHandleMessage(Message msg) {
1142            switch (msg.what) {
1143                case INIT_COPY: {
1144                    HandlerParams params = (HandlerParams) msg.obj;
1145                    int idx = mPendingInstalls.size();
1146                    if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params);
1147                    // If a bind was already initiated we dont really
1148                    // need to do anything. The pending install
1149                    // will be processed later on.
1150                    if (!mBound) {
1151                        Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS",
1152                                System.identityHashCode(mHandler));
1153                        // If this is the only one pending we might
1154                        // have to bind to the service again.
1155                        if (!connectToService()) {
1156                            Slog.e(TAG, "Failed to bind to media container service");
1157                            params.serviceError();
1158                            Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS",
1159                                    System.identityHashCode(mHandler));
1160                            if (params.traceMethod != null) {
1161                                Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod,
1162                                        params.traceCookie);
1163                            }
1164                            return;
1165                        } else {
1166                            // Once we bind to the service, the first
1167                            // pending request will be processed.
1168                            mPendingInstalls.add(idx, params);
1169                        }
1170                    } else {
1171                        mPendingInstalls.add(idx, params);
1172                        // Already bound to the service. Just make
1173                        // sure we trigger off processing the first request.
1174                        if (idx == 0) {
1175                            mHandler.sendEmptyMessage(MCS_BOUND);
1176                        }
1177                    }
1178                    break;
1179                }
1180                case MCS_BOUND: {
1181                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound");
1182                    if (msg.obj != null) {
1183                        mContainerService = (IMediaContainerService) msg.obj;
1184                        Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS",
1185                                System.identityHashCode(mHandler));
1186                    }
1187                    if (mContainerService == null) {
1188                        if (!mBound) {
1189                            // Something seriously wrong since we are not bound and we are not
1190                            // waiting for connection. Bail out.
1191                            Slog.e(TAG, "Cannot bind to media container service");
1192                            for (HandlerParams params : mPendingInstalls) {
1193                                // Indicate service bind error
1194                                params.serviceError();
1195                                Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall",
1196                                        System.identityHashCode(params));
1197                                if (params.traceMethod != null) {
1198                                    Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER,
1199                                            params.traceMethod, params.traceCookie);
1200                                }
1201                                return;
1202                            }
1203                            mPendingInstalls.clear();
1204                        } else {
1205                            Slog.w(TAG, "Waiting to connect to media container service");
1206                        }
1207                    } else if (mPendingInstalls.size() > 0) {
1208                        HandlerParams params = mPendingInstalls.get(0);
1209                        if (params != null) {
1210                            Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall",
1211                                    System.identityHashCode(params));
1212                            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy");
1213                            if (params.startCopy()) {
1214                                // We are done...  look for more work or to
1215                                // go idle.
1216                                if (DEBUG_SD_INSTALL) Log.i(TAG,
1217                                        "Checking for more work or unbind...");
1218                                // Delete pending install
1219                                if (mPendingInstalls.size() > 0) {
1220                                    mPendingInstalls.remove(0);
1221                                }
1222                                if (mPendingInstalls.size() == 0) {
1223                                    if (mBound) {
1224                                        if (DEBUG_SD_INSTALL) Log.i(TAG,
1225                                                "Posting delayed MCS_UNBIND");
1226                                        removeMessages(MCS_UNBIND);
1227                                        Message ubmsg = obtainMessage(MCS_UNBIND);
1228                                        // Unbind after a little delay, to avoid
1229                                        // continual thrashing.
1230                                        sendMessageDelayed(ubmsg, 10000);
1231                                    }
1232                                } else {
1233                                    // There are more pending requests in queue.
1234                                    // Just post MCS_BOUND message to trigger processing
1235                                    // of next pending install.
1236                                    if (DEBUG_SD_INSTALL) Log.i(TAG,
1237                                            "Posting MCS_BOUND for next work");
1238                                    mHandler.sendEmptyMessage(MCS_BOUND);
1239                                }
1240                            }
1241                            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
1242                        }
1243                    } else {
1244                        // Should never happen ideally.
1245                        Slog.w(TAG, "Empty queue");
1246                    }
1247                    break;
1248                }
1249                case MCS_RECONNECT: {
1250                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect");
1251                    if (mPendingInstalls.size() > 0) {
1252                        if (mBound) {
1253                            disconnectService();
1254                        }
1255                        if (!connectToService()) {
1256                            Slog.e(TAG, "Failed to bind to media container service");
1257                            for (HandlerParams params : mPendingInstalls) {
1258                                // Indicate service bind error
1259                                params.serviceError();
1260                                Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall",
1261                                        System.identityHashCode(params));
1262                            }
1263                            mPendingInstalls.clear();
1264                        }
1265                    }
1266                    break;
1267                }
1268                case MCS_UNBIND: {
1269                    // If there is no actual work left, then time to unbind.
1270                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind");
1271
1272                    if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) {
1273                        if (mBound) {
1274                            if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()");
1275
1276                            disconnectService();
1277                        }
1278                    } else if (mPendingInstalls.size() > 0) {
1279                        // There are more pending requests in queue.
1280                        // Just post MCS_BOUND message to trigger processing
1281                        // of next pending install.
1282                        mHandler.sendEmptyMessage(MCS_BOUND);
1283                    }
1284
1285                    break;
1286                }
1287                case MCS_GIVE_UP: {
1288                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries");
1289                    HandlerParams params = mPendingInstalls.remove(0);
1290                    Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall",
1291                            System.identityHashCode(params));
1292                    break;
1293                }
1294                case SEND_PENDING_BROADCAST: {
1295                    String packages[];
1296                    ArrayList<String> components[];
1297                    int size = 0;
1298                    int uids[];
1299                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1300                    synchronized (mPackages) {
1301                        if (mPendingBroadcasts == null) {
1302                            return;
1303                        }
1304                        size = mPendingBroadcasts.size();
1305                        if (size <= 0) {
1306                            // Nothing to be done. Just return
1307                            return;
1308                        }
1309                        packages = new String[size];
1310                        components = new ArrayList[size];
1311                        uids = new int[size];
1312                        int i = 0;  // filling out the above arrays
1313
1314                        for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) {
1315                            int packageUserId = mPendingBroadcasts.userIdAt(n);
1316                            Iterator<Map.Entry<String, ArrayList<String>>> it
1317                                    = mPendingBroadcasts.packagesForUserId(packageUserId)
1318                                            .entrySet().iterator();
1319                            while (it.hasNext() && i < size) {
1320                                Map.Entry<String, ArrayList<String>> ent = it.next();
1321                                packages[i] = ent.getKey();
1322                                components[i] = ent.getValue();
1323                                PackageSetting ps = mSettings.mPackages.get(ent.getKey());
1324                                uids[i] = (ps != null)
1325                                        ? UserHandle.getUid(packageUserId, ps.appId)
1326                                        : -1;
1327                                i++;
1328                            }
1329                        }
1330                        size = i;
1331                        mPendingBroadcasts.clear();
1332                    }
1333                    // Send broadcasts
1334                    for (int i = 0; i < size; i++) {
1335                        sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]);
1336                    }
1337                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1338                    break;
1339                }
1340                case START_CLEANING_PACKAGE: {
1341                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1342                    final String packageName = (String)msg.obj;
1343                    final int userId = msg.arg1;
1344                    final boolean andCode = msg.arg2 != 0;
1345                    synchronized (mPackages) {
1346                        if (userId == UserHandle.USER_ALL) {
1347                            int[] users = sUserManager.getUserIds();
1348                            for (int user : users) {
1349                                mSettings.addPackageToCleanLPw(
1350                                        new PackageCleanItem(user, packageName, andCode));
1351                            }
1352                        } else {
1353                            mSettings.addPackageToCleanLPw(
1354                                    new PackageCleanItem(userId, packageName, andCode));
1355                        }
1356                    }
1357                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1358                    startCleaningPackages();
1359                } break;
1360                case POST_INSTALL: {
1361                    if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1);
1362                    PostInstallData data = mRunningInstalls.get(msg.arg1);
1363                    mRunningInstalls.delete(msg.arg1);
1364                    boolean deleteOld = false;
1365
1366                    if (data != null) {
1367                        InstallArgs args = data.args;
1368                        PackageInstalledInfo res = data.res;
1369
1370                        if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
1371                            final String packageName = res.pkg.applicationInfo.packageName;
1372                            res.removedInfo.sendBroadcast(false, true, false);
1373                            Bundle extras = new Bundle(1);
1374                            extras.putInt(Intent.EXTRA_UID, res.uid);
1375
1376                            // Now that we successfully installed the package, grant runtime
1377                            // permissions if requested before broadcasting the install.
1378                            if ((args.installFlags
1379                                    & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) {
1380                                grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(),
1381                                        args.installGrantPermissions);
1382                            }
1383
1384                            // Determine the set of users who are adding this
1385                            // package for the first time vs. those who are seeing
1386                            // an update.
1387                            int[] firstUsers;
1388                            int[] updateUsers = new int[0];
1389                            if (res.origUsers == null || res.origUsers.length == 0) {
1390                                firstUsers = res.newUsers;
1391                            } else {
1392                                firstUsers = new int[0];
1393                                for (int i=0; i<res.newUsers.length; i++) {
1394                                    int user = res.newUsers[i];
1395                                    boolean isNew = true;
1396                                    for (int j=0; j<res.origUsers.length; j++) {
1397                                        if (res.origUsers[j] == user) {
1398                                            isNew = false;
1399                                            break;
1400                                        }
1401                                    }
1402                                    if (isNew) {
1403                                        int[] newFirst = new int[firstUsers.length+1];
1404                                        System.arraycopy(firstUsers, 0, newFirst, 0,
1405                                                firstUsers.length);
1406                                        newFirst[firstUsers.length] = user;
1407                                        firstUsers = newFirst;
1408                                    } else {
1409                                        int[] newUpdate = new int[updateUsers.length+1];
1410                                        System.arraycopy(updateUsers, 0, newUpdate, 0,
1411                                                updateUsers.length);
1412                                        newUpdate[updateUsers.length] = user;
1413                                        updateUsers = newUpdate;
1414                                    }
1415                                }
1416                            }
1417                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
1418                                    packageName, extras, null, null, firstUsers);
1419                            final boolean update = res.removedInfo.removedPackage != null;
1420                            if (update) {
1421                                extras.putBoolean(Intent.EXTRA_REPLACING, true);
1422                            }
1423                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
1424                                    packageName, extras, null, null, updateUsers);
1425                            if (update) {
1426                                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED,
1427                                        packageName, extras, null, null, updateUsers);
1428                                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED,
1429                                        null, null, packageName, null, updateUsers);
1430
1431                                // treat asec-hosted packages like removable media on upgrade
1432                                if (res.pkg.isForwardLocked() || isExternal(res.pkg)) {
1433                                    if (DEBUG_INSTALL) {
1434                                        Slog.i(TAG, "upgrading pkg " + res.pkg
1435                                                + " is ASEC-hosted -> AVAILABLE");
1436                                    }
1437                                    int[] uidArray = new int[] { res.pkg.applicationInfo.uid };
1438                                    ArrayList<String> pkgList = new ArrayList<String>(1);
1439                                    pkgList.add(packageName);
1440                                    sendResourcesChangedBroadcast(true, true,
1441                                            pkgList,uidArray, null);
1442                                }
1443                            }
1444                            if (res.removedInfo.args != null) {
1445                                // Remove the replaced package's older resources safely now
1446                                deleteOld = true;
1447                            }
1448
1449                            // If this app is a browser and it's newly-installed for some
1450                            // users, clear any default-browser state in those users
1451                            if (firstUsers.length > 0) {
1452                                // the app's nature doesn't depend on the user, so we can just
1453                                // check its browser nature in any user and generalize.
1454                                if (packageIsBrowser(packageName, firstUsers[0])) {
1455                                    synchronized (mPackages) {
1456                                        for (int userId : firstUsers) {
1457                                            mSettings.setDefaultBrowserPackageNameLPw(null, userId);
1458                                        }
1459                                    }
1460                                }
1461                            }
1462                            // Log current value of "unknown sources" setting
1463                            EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED,
1464                                getUnknownSourcesSettings());
1465                        }
1466                        // Force a gc to clear up things
1467                        Runtime.getRuntime().gc();
1468                        // We delete after a gc for applications  on sdcard.
1469                        if (deleteOld) {
1470                            synchronized (mInstallLock) {
1471                                res.removedInfo.args.doPostDeleteLI(true);
1472                            }
1473                        }
1474                        if (args.observer != null) {
1475                            try {
1476                                Bundle extras = extrasForInstallResult(res);
1477                                args.observer.onPackageInstalled(res.name, res.returnCode,
1478                                        res.returnMsg, extras);
1479                            } catch (RemoteException e) {
1480                                Slog.i(TAG, "Observer no longer exists.");
1481                            }
1482                        }
1483                        if (args.traceMethod != null) {
1484                            Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod,
1485                                    args.traceCookie);
1486                        }
1487                        return;
1488                    } else {
1489                        Slog.e(TAG, "Bogus post-install token " + msg.arg1);
1490                    }
1491
1492                    Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1);
1493                } break;
1494                case UPDATED_MEDIA_STATUS: {
1495                    if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS");
1496                    boolean reportStatus = msg.arg1 == 1;
1497                    boolean doGc = msg.arg2 == 1;
1498                    if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc);
1499                    if (doGc) {
1500                        // Force a gc to clear up stale containers.
1501                        Runtime.getRuntime().gc();
1502                    }
1503                    if (msg.obj != null) {
1504                        @SuppressWarnings("unchecked")
1505                        Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj;
1506                        if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers");
1507                        // Unload containers
1508                        unloadAllContainers(args);
1509                    }
1510                    if (reportStatus) {
1511                        try {
1512                            if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back");
1513                            PackageHelper.getMountService().finishMediaUpdate();
1514                        } catch (RemoteException e) {
1515                            Log.e(TAG, "MountService not running?");
1516                        }
1517                    }
1518                } break;
1519                case WRITE_SETTINGS: {
1520                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1521                    synchronized (mPackages) {
1522                        removeMessages(WRITE_SETTINGS);
1523                        removeMessages(WRITE_PACKAGE_RESTRICTIONS);
1524                        mSettings.writeLPr();
1525                        mDirtyUsers.clear();
1526                    }
1527                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1528                } break;
1529                case WRITE_PACKAGE_RESTRICTIONS: {
1530                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1531                    synchronized (mPackages) {
1532                        removeMessages(WRITE_PACKAGE_RESTRICTIONS);
1533                        for (int userId : mDirtyUsers) {
1534                            mSettings.writePackageRestrictionsLPr(userId);
1535                        }
1536                        mDirtyUsers.clear();
1537                    }
1538                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1539                } break;
1540                case CHECK_PENDING_VERIFICATION: {
1541                    final int verificationId = msg.arg1;
1542                    final PackageVerificationState state = mPendingVerification.get(verificationId);
1543
1544                    if ((state != null) && !state.timeoutExtended()) {
1545                        final InstallArgs args = state.getInstallArgs();
1546                        final Uri originUri = Uri.fromFile(args.origin.resolvedFile);
1547
1548                        Slog.i(TAG, "Verification timed out for " + originUri);
1549                        mPendingVerification.remove(verificationId);
1550
1551                        int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
1552
1553                        if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) {
1554                            Slog.i(TAG, "Continuing with installation of " + originUri);
1555                            state.setVerifierResponse(Binder.getCallingUid(),
1556                                    PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT);
1557                            broadcastPackageVerified(verificationId, originUri,
1558                                    PackageManager.VERIFICATION_ALLOW,
1559                                    state.getInstallArgs().getUser());
1560                            try {
1561                                ret = args.copyApk(mContainerService, true);
1562                            } catch (RemoteException e) {
1563                                Slog.e(TAG, "Could not contact the ContainerService");
1564                            }
1565                        } else {
1566                            broadcastPackageVerified(verificationId, originUri,
1567                                    PackageManager.VERIFICATION_REJECT,
1568                                    state.getInstallArgs().getUser());
1569                        }
1570
1571                        Trace.asyncTraceEnd(
1572                                TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId);
1573
1574                        processPendingInstall(args, ret);
1575                        mHandler.sendEmptyMessage(MCS_UNBIND);
1576                    }
1577                    break;
1578                }
1579                case PACKAGE_VERIFIED: {
1580                    final int verificationId = msg.arg1;
1581
1582                    final PackageVerificationState state = mPendingVerification.get(verificationId);
1583                    if (state == null) {
1584                        Slog.w(TAG, "Invalid verification token " + verificationId + " received");
1585                        break;
1586                    }
1587
1588                    final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj;
1589
1590                    state.setVerifierResponse(response.callerUid, response.code);
1591
1592                    if (state.isVerificationComplete()) {
1593                        mPendingVerification.remove(verificationId);
1594
1595                        final InstallArgs args = state.getInstallArgs();
1596                        final Uri originUri = Uri.fromFile(args.origin.resolvedFile);
1597
1598                        int ret;
1599                        if (state.isInstallAllowed()) {
1600                            ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
1601                            broadcastPackageVerified(verificationId, originUri,
1602                                    response.code, state.getInstallArgs().getUser());
1603                            try {
1604                                ret = args.copyApk(mContainerService, true);
1605                            } catch (RemoteException e) {
1606                                Slog.e(TAG, "Could not contact the ContainerService");
1607                            }
1608                        } else {
1609                            ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
1610                        }
1611
1612                        Trace.asyncTraceEnd(
1613                                TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId);
1614
1615                        processPendingInstall(args, ret);
1616                        mHandler.sendEmptyMessage(MCS_UNBIND);
1617                    }
1618
1619                    break;
1620                }
1621                case START_INTENT_FILTER_VERIFICATIONS: {
1622                    IFVerificationParams params = (IFVerificationParams) msg.obj;
1623                    verifyIntentFiltersIfNeeded(params.userId, params.verifierUid,
1624                            params.replacing, params.pkg);
1625                    break;
1626                }
1627                case INTENT_FILTER_VERIFIED: {
1628                    final int verificationId = msg.arg1;
1629
1630                    final IntentFilterVerificationState state = mIntentFilterVerificationStates.get(
1631                            verificationId);
1632                    if (state == null) {
1633                        Slog.w(TAG, "Invalid IntentFilter verification token "
1634                                + verificationId + " received");
1635                        break;
1636                    }
1637
1638                    final int userId = state.getUserId();
1639
1640                    if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
1641                            "Processing IntentFilter verification with token:"
1642                            + verificationId + " and userId:" + userId);
1643
1644                    final IntentFilterVerificationResponse response =
1645                            (IntentFilterVerificationResponse) msg.obj;
1646
1647                    state.setVerifierResponse(response.callerUid, response.code);
1648
1649                    if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
1650                            "IntentFilter verification with token:" + verificationId
1651                            + " and userId:" + userId
1652                            + " is settings verifier response with response code:"
1653                            + response.code);
1654
1655                    if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) {
1656                        if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: "
1657                                + response.getFailedDomainsString());
1658                    }
1659
1660                    if (state.isVerificationComplete()) {
1661                        mIntentFilterVerifier.receiveVerificationResponse(verificationId);
1662                    } else {
1663                        if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
1664                                "IntentFilter verification with token:" + verificationId
1665                                + " was not said to be complete");
1666                    }
1667
1668                    break;
1669                }
1670            }
1671        }
1672    }
1673
1674    private StorageEventListener mStorageListener = new StorageEventListener() {
1675        @Override
1676        public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) {
1677            if (vol.type == VolumeInfo.TYPE_PRIVATE) {
1678                if (vol.state == VolumeInfo.STATE_MOUNTED) {
1679                    final String volumeUuid = vol.getFsUuid();
1680
1681                    // Clean up any users or apps that were removed or recreated
1682                    // while this volume was missing
1683                    reconcileUsers(volumeUuid);
1684                    reconcileApps(volumeUuid);
1685
1686                    // Clean up any install sessions that expired or were
1687                    // cancelled while this volume was missing
1688                    mInstallerService.onPrivateVolumeMounted(volumeUuid);
1689
1690                    loadPrivatePackages(vol);
1691
1692                } else if (vol.state == VolumeInfo.STATE_EJECTING) {
1693                    unloadPrivatePackages(vol);
1694                }
1695            }
1696
1697            if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) {
1698                if (vol.state == VolumeInfo.STATE_MOUNTED) {
1699                    updateExternalMediaStatus(true, false);
1700                } else if (vol.state == VolumeInfo.STATE_EJECTING) {
1701                    updateExternalMediaStatus(false, false);
1702                }
1703            }
1704        }
1705
1706        @Override
1707        public void onVolumeForgotten(String fsUuid) {
1708            if (TextUtils.isEmpty(fsUuid)) {
1709                Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring");
1710                return;
1711            }
1712
1713            // Remove any apps installed on the forgotten volume
1714            synchronized (mPackages) {
1715                final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid);
1716                for (PackageSetting ps : packages) {
1717                    Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten");
1718                    deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(),
1719                            UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS);
1720                }
1721
1722                mSettings.onVolumeForgotten(fsUuid);
1723                mSettings.writeLPr();
1724            }
1725        }
1726    };
1727
1728    private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId,
1729            String[] grantedPermissions) {
1730        if (userId >= UserHandle.USER_SYSTEM) {
1731            grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions);
1732        } else if (userId == UserHandle.USER_ALL) {
1733            final int[] userIds;
1734            synchronized (mPackages) {
1735                userIds = UserManagerService.getInstance().getUserIds();
1736            }
1737            for (int someUserId : userIds) {
1738                grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions);
1739            }
1740        }
1741
1742        // We could have touched GID membership, so flush out packages.list
1743        synchronized (mPackages) {
1744            mSettings.writePackageListLPr();
1745        }
1746    }
1747
1748    private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId,
1749            String[] grantedPermissions) {
1750        SettingBase sb = (SettingBase) pkg.mExtras;
1751        if (sb == null) {
1752            return;
1753        }
1754
1755        PermissionsState permissionsState = sb.getPermissionsState();
1756
1757        final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED
1758                | PackageManager.FLAG_PERMISSION_POLICY_FIXED;
1759
1760        synchronized (mPackages) {
1761            for (String permission : pkg.requestedPermissions) {
1762                BasePermission bp = mSettings.mPermissions.get(permission);
1763                if (bp != null && (bp.isRuntime() || bp.isDevelopment())
1764                        && (grantedPermissions == null
1765                               || ArrayUtils.contains(grantedPermissions, permission))) {
1766                    final int flags = permissionsState.getPermissionFlags(permission, userId);
1767                    // Installer cannot change immutable permissions.
1768                    if ((flags & immutableFlags) == 0) {
1769                        grantRuntimePermission(pkg.packageName, permission, userId);
1770                    }
1771                }
1772            }
1773        }
1774    }
1775
1776    Bundle extrasForInstallResult(PackageInstalledInfo res) {
1777        Bundle extras = null;
1778        switch (res.returnCode) {
1779            case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: {
1780                extras = new Bundle();
1781                extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION,
1782                        res.origPermission);
1783                extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE,
1784                        res.origPackage);
1785                break;
1786            }
1787            case PackageManager.INSTALL_SUCCEEDED: {
1788                extras = new Bundle();
1789                extras.putBoolean(Intent.EXTRA_REPLACING,
1790                        res.removedInfo != null && res.removedInfo.removedPackage != null);
1791                break;
1792            }
1793        }
1794        return extras;
1795    }
1796
1797    void scheduleWriteSettingsLocked() {
1798        if (!mHandler.hasMessages(WRITE_SETTINGS)) {
1799            mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY);
1800        }
1801    }
1802
1803    void scheduleWritePackageRestrictionsLocked(int userId) {
1804        if (!sUserManager.exists(userId)) return;
1805        mDirtyUsers.add(userId);
1806        if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) {
1807            mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY);
1808        }
1809    }
1810
1811    public static PackageManagerService main(Context context, Installer installer,
1812            boolean factoryTest, boolean onlyCore) {
1813        PackageManagerService m = new PackageManagerService(context, installer,
1814                factoryTest, onlyCore);
1815        ServiceManager.addService("package", m);
1816        return m;
1817    }
1818
1819    static String[] splitString(String str, char sep) {
1820        int count = 1;
1821        int i = 0;
1822        while ((i=str.indexOf(sep, i)) >= 0) {
1823            count++;
1824            i++;
1825        }
1826
1827        String[] res = new String[count];
1828        i=0;
1829        count = 0;
1830        int lastI=0;
1831        while ((i=str.indexOf(sep, i)) >= 0) {
1832            res[count] = str.substring(lastI, i);
1833            count++;
1834            i++;
1835            lastI = i;
1836        }
1837        res[count] = str.substring(lastI, str.length());
1838        return res;
1839    }
1840
1841    private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) {
1842        DisplayManager displayManager = (DisplayManager) context.getSystemService(
1843                Context.DISPLAY_SERVICE);
1844        displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics);
1845    }
1846
1847    public PackageManagerService(Context context, Installer installer,
1848            boolean factoryTest, boolean onlyCore) {
1849        EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START,
1850                SystemClock.uptimeMillis());
1851
1852        if (mSdkVersion <= 0) {
1853            Slog.w(TAG, "**** ro.build.version.sdk not set!");
1854        }
1855
1856        mContext = context;
1857        mFactoryTest = factoryTest;
1858        mOnlyCore = onlyCore;
1859        mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type"));
1860        mMetrics = new DisplayMetrics();
1861        mSettings = new Settings(mPackages);
1862        mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID,
1863                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1864        mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID,
1865                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1866        mSettings.addSharedUserLPw("android.uid.log", LOG_UID,
1867                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1868        mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID,
1869                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1870        mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID,
1871                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1872        mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID,
1873                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1874
1875        // TODO: add a property to control this?
1876        long dexOptLRUThresholdInMinutes;
1877        if (mLazyDexOpt) {
1878            dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds.
1879        } else {
1880            dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users.
1881        }
1882        mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000;
1883
1884        String separateProcesses = SystemProperties.get("debug.separate_processes");
1885        if (separateProcesses != null && separateProcesses.length() > 0) {
1886            if ("*".equals(separateProcesses)) {
1887                mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES;
1888                mSeparateProcesses = null;
1889                Slog.w(TAG, "Running with debug.separate_processes: * (ALL)");
1890            } else {
1891                mDefParseFlags = 0;
1892                mSeparateProcesses = separateProcesses.split(",");
1893                Slog.w(TAG, "Running with debug.separate_processes: "
1894                        + separateProcesses);
1895            }
1896        } else {
1897            mDefParseFlags = 0;
1898            mSeparateProcesses = null;
1899        }
1900
1901        mInstaller = installer;
1902        mPackageDexOptimizer = new PackageDexOptimizer(this);
1903        mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper());
1904
1905        mOnPermissionChangeListeners = new OnPermissionChangeListeners(
1906                FgThread.get().getLooper());
1907
1908        getDefaultDisplayMetrics(context, mMetrics);
1909
1910        SystemConfig systemConfig = SystemConfig.getInstance();
1911        mGlobalGids = systemConfig.getGlobalGids();
1912        mSystemPermissions = systemConfig.getSystemPermissions();
1913        mAvailableFeatures = systemConfig.getAvailableFeatures();
1914
1915        synchronized (mInstallLock) {
1916        // writer
1917        synchronized (mPackages) {
1918            mHandlerThread = new ServiceThread(TAG,
1919                    Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/);
1920            mHandlerThread.start();
1921            mHandler = new PackageHandler(mHandlerThread.getLooper());
1922            Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT);
1923
1924            File dataDir = Environment.getDataDirectory();
1925            mAppDataDir = new File(dataDir, "data");
1926            mAppInstallDir = new File(dataDir, "app");
1927            mAppLib32InstallDir = new File(dataDir, "app-lib");
1928            mAsecInternalPath = new File(dataDir, "app-asec").getPath();
1929            mUserAppDataDir = new File(dataDir, "user");
1930            mDrmAppPrivateInstallDir = new File(dataDir, "app-private");
1931
1932            sUserManager = new UserManagerService(context, this,
1933                    mInstallLock, mPackages);
1934
1935            // Propagate permission configuration in to package manager.
1936            ArrayMap<String, SystemConfig.PermissionEntry> permConfig
1937                    = systemConfig.getPermissions();
1938            for (int i=0; i<permConfig.size(); i++) {
1939                SystemConfig.PermissionEntry perm = permConfig.valueAt(i);
1940                BasePermission bp = mSettings.mPermissions.get(perm.name);
1941                if (bp == null) {
1942                    bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN);
1943                    mSettings.mPermissions.put(perm.name, bp);
1944                }
1945                if (perm.gids != null) {
1946                    bp.setGids(perm.gids, perm.perUser);
1947                }
1948            }
1949
1950            ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries();
1951            for (int i=0; i<libConfig.size(); i++) {
1952                mSharedLibraries.put(libConfig.keyAt(i),
1953                        new SharedLibraryEntry(libConfig.valueAt(i), null));
1954            }
1955
1956            mFoundPolicyFile = SELinuxMMAC.readInstallPolicy();
1957
1958            mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false));
1959
1960            String customResolverActivity = Resources.getSystem().getString(
1961                    R.string.config_customResolverActivity);
1962            if (TextUtils.isEmpty(customResolverActivity)) {
1963                customResolverActivity = null;
1964            } else {
1965                mCustomResolverComponentName = ComponentName.unflattenFromString(
1966                        customResolverActivity);
1967            }
1968
1969            long startTime = SystemClock.uptimeMillis();
1970
1971            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START,
1972                    startTime);
1973
1974            // Set flag to monitor and not change apk file paths when
1975            // scanning install directories.
1976            final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL;
1977
1978            final ArraySet<String> alreadyDexOpted = new ArraySet<String>();
1979
1980            /**
1981             * Add everything in the in the boot class path to the
1982             * list of process files because dexopt will have been run
1983             * if necessary during zygote startup.
1984             */
1985            final String bootClassPath = System.getenv("BOOTCLASSPATH");
1986            final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH");
1987
1988            if (bootClassPath != null) {
1989                String[] bootClassPathElements = splitString(bootClassPath, ':');
1990                for (String element : bootClassPathElements) {
1991                    alreadyDexOpted.add(element);
1992                }
1993            } else {
1994                Slog.w(TAG, "No BOOTCLASSPATH found!");
1995            }
1996
1997            if (systemServerClassPath != null) {
1998                String[] systemServerClassPathElements = splitString(systemServerClassPath, ':');
1999                for (String element : systemServerClassPathElements) {
2000                    alreadyDexOpted.add(element);
2001                }
2002            } else {
2003                Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!");
2004            }
2005
2006            final List<String> allInstructionSets = InstructionSets.getAllInstructionSets();
2007            final String[] dexCodeInstructionSets =
2008                    getDexCodeInstructionSets(
2009                            allInstructionSets.toArray(new String[allInstructionSets.size()]));
2010
2011            /**
2012             * Ensure all external libraries have had dexopt run on them.
2013             */
2014            if (mSharedLibraries.size() > 0) {
2015                // NOTE: For now, we're compiling these system "shared libraries"
2016                // (and framework jars) into all available architectures. It's possible
2017                // to compile them only when we come across an app that uses them (there's
2018                // already logic for that in scanPackageLI) but that adds some complexity.
2019                for (String dexCodeInstructionSet : dexCodeInstructionSets) {
2020                    for (SharedLibraryEntry libEntry : mSharedLibraries.values()) {
2021                        final String lib = libEntry.path;
2022                        if (lib == null) {
2023                            continue;
2024                        }
2025
2026                        try {
2027                            int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false);
2028                            if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
2029                                alreadyDexOpted.add(lib);
2030                                mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet,
2031                                        dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/);
2032                            }
2033                        } catch (FileNotFoundException e) {
2034                            Slog.w(TAG, "Library not found: " + lib);
2035                        } catch (IOException e) {
2036                            Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? "
2037                                    + e.getMessage());
2038                        }
2039                    }
2040                }
2041            }
2042
2043            File frameworkDir = new File(Environment.getRootDirectory(), "framework");
2044
2045            // Gross hack for now: we know this file doesn't contain any
2046            // code, so don't dexopt it to avoid the resulting log spew.
2047            alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk");
2048
2049            // Gross hack for now: we know this file is only part of
2050            // the boot class path for art, so don't dexopt it to
2051            // avoid the resulting log spew.
2052            alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar");
2053
2054            /**
2055             * There are a number of commands implemented in Java, which
2056             * we currently need to do the dexopt on so that they can be
2057             * run from a non-root shell.
2058             */
2059            String[] frameworkFiles = frameworkDir.list();
2060            if (frameworkFiles != null) {
2061                // TODO: We could compile these only for the most preferred ABI. We should
2062                // first double check that the dex files for these commands are not referenced
2063                // by other system apps.
2064                for (String dexCodeInstructionSet : dexCodeInstructionSets) {
2065                    for (int i=0; i<frameworkFiles.length; i++) {
2066                        File libPath = new File(frameworkDir, frameworkFiles[i]);
2067                        String path = libPath.getPath();
2068                        // Skip the file if we already did it.
2069                        if (alreadyDexOpted.contains(path)) {
2070                            continue;
2071                        }
2072                        // Skip the file if it is not a type we want to dexopt.
2073                        if (!path.endsWith(".apk") && !path.endsWith(".jar")) {
2074                            continue;
2075                        }
2076                        try {
2077                            int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false);
2078                            if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
2079                                mInstaller.dexopt(path, Process.SYSTEM_UID, dexCodeInstructionSet,
2080                                        dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/);
2081                            }
2082                        } catch (FileNotFoundException e) {
2083                            Slog.w(TAG, "Jar not found: " + path);
2084                        } catch (IOException e) {
2085                            Slog.w(TAG, "Exception reading jar: " + path, e);
2086                        }
2087                    }
2088                }
2089            }
2090
2091            final VersionInfo ver = mSettings.getInternalVersion();
2092            mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint);
2093            // when upgrading from pre-M, promote system app permissions from install to runtime
2094            mPromoteSystemApps =
2095                    mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1;
2096
2097            // save off the names of pre-existing system packages prior to scanning; we don't
2098            // want to automatically grant runtime permissions for new system apps
2099            if (mPromoteSystemApps) {
2100                Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator();
2101                while (pkgSettingIter.hasNext()) {
2102                    PackageSetting ps = pkgSettingIter.next();
2103                    if (isSystemApp(ps)) {
2104                        mExistingSystemPackages.add(ps.name);
2105                    }
2106                }
2107            }
2108
2109            // Collect vendor overlay packages.
2110            // (Do this before scanning any apps.)
2111            // For security and version matching reason, only consider
2112            // overlay packages if they reside in VENDOR_OVERLAY_DIR.
2113            File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR);
2114            scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM
2115                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0);
2116
2117            // Find base frameworks (resource packages without code).
2118            scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM
2119                    | PackageParser.PARSE_IS_SYSTEM_DIR
2120                    | PackageParser.PARSE_IS_PRIVILEGED,
2121                    scanFlags | SCAN_NO_DEX, 0);
2122
2123            // Collected privileged system packages.
2124            final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app");
2125            scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM
2126                    | PackageParser.PARSE_IS_SYSTEM_DIR
2127                    | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0);
2128
2129            // Collect ordinary system packages.
2130            final File systemAppDir = new File(Environment.getRootDirectory(), "app");
2131            scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM
2132                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
2133
2134            // Collect all vendor packages.
2135            File vendorAppDir = new File("/vendor/app");
2136            try {
2137                vendorAppDir = vendorAppDir.getCanonicalFile();
2138            } catch (IOException e) {
2139                // failed to look up canonical path, continue with original one
2140            }
2141            scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM
2142                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
2143
2144            // Collect all OEM packages.
2145            final File oemAppDir = new File(Environment.getOemDirectory(), "app");
2146            scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM
2147                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
2148
2149            if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands");
2150            mInstaller.moveFiles();
2151
2152            // Prune any system packages that no longer exist.
2153            final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>();
2154            if (!mOnlyCore) {
2155                Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
2156                while (psit.hasNext()) {
2157                    PackageSetting ps = psit.next();
2158
2159                    /*
2160                     * If this is not a system app, it can't be a
2161                     * disable system app.
2162                     */
2163                    if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) {
2164                        continue;
2165                    }
2166
2167                    /*
2168                     * If the package is scanned, it's not erased.
2169                     */
2170                    final PackageParser.Package scannedPkg = mPackages.get(ps.name);
2171                    if (scannedPkg != null) {
2172                        /*
2173                         * If the system app is both scanned and in the
2174                         * disabled packages list, then it must have been
2175                         * added via OTA. Remove it from the currently
2176                         * scanned package so the previously user-installed
2177                         * application can be scanned.
2178                         */
2179                        if (mSettings.isDisabledSystemPackageLPr(ps.name)) {
2180                            logCriticalInfo(Log.WARN, "Expecting better updated system app for "
2181                                    + ps.name + "; removing system app.  Last known codePath="
2182                                    + ps.codePathString + ", installStatus=" + ps.installStatus
2183                                    + ", versionCode=" + ps.versionCode + "; scanned versionCode="
2184                                    + scannedPkg.mVersionCode);
2185                            removePackageLI(ps, true);
2186                            mExpectingBetter.put(ps.name, ps.codePath);
2187                        }
2188
2189                        continue;
2190                    }
2191
2192                    if (!mSettings.isDisabledSystemPackageLPr(ps.name)) {
2193                        psit.remove();
2194                        logCriticalInfo(Log.WARN, "System package " + ps.name
2195                                + " no longer exists; wiping its data");
2196                        removeDataDirsLI(null, ps.name);
2197                    } else {
2198                        final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name);
2199                        if (disabledPs.codePath == null || !disabledPs.codePath.exists()) {
2200                            possiblyDeletedUpdatedSystemApps.add(ps.name);
2201                        }
2202                    }
2203                }
2204            }
2205
2206            //look for any incomplete package installations
2207            ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr();
2208            //clean up list
2209            for(int i = 0; i < deletePkgsList.size(); i++) {
2210                //clean up here
2211                cleanupInstallFailedPackage(deletePkgsList.get(i));
2212            }
2213            //delete tmp files
2214            deleteTempPackageFiles();
2215
2216            // Remove any shared userIDs that have no associated packages
2217            mSettings.pruneSharedUsersLPw();
2218
2219            if (!mOnlyCore) {
2220                EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START,
2221                        SystemClock.uptimeMillis());
2222                scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0);
2223
2224                scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK,
2225                        scanFlags | SCAN_REQUIRE_KNOWN, 0);
2226
2227                /**
2228                 * Remove disable package settings for any updated system
2229                 * apps that were removed via an OTA. If they're not a
2230                 * previously-updated app, remove them completely.
2231                 * Otherwise, just revoke their system-level permissions.
2232                 */
2233                for (String deletedAppName : possiblyDeletedUpdatedSystemApps) {
2234                    PackageParser.Package deletedPkg = mPackages.get(deletedAppName);
2235                    mSettings.removeDisabledSystemPackageLPw(deletedAppName);
2236
2237                    String msg;
2238                    if (deletedPkg == null) {
2239                        msg = "Updated system package " + deletedAppName
2240                                + " no longer exists; wiping its data";
2241                        removeDataDirsLI(null, deletedAppName);
2242                    } else {
2243                        msg = "Updated system app + " + deletedAppName
2244                                + " no longer present; removing system privileges for "
2245                                + deletedAppName;
2246
2247                        deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM;
2248
2249                        PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName);
2250                        deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM;
2251                    }
2252                    logCriticalInfo(Log.WARN, msg);
2253                }
2254
2255                /**
2256                 * Make sure all system apps that we expected to appear on
2257                 * the userdata partition actually showed up. If they never
2258                 * appeared, crawl back and revive the system version.
2259                 */
2260                for (int i = 0; i < mExpectingBetter.size(); i++) {
2261                    final String packageName = mExpectingBetter.keyAt(i);
2262                    if (!mPackages.containsKey(packageName)) {
2263                        final File scanFile = mExpectingBetter.valueAt(i);
2264
2265                        logCriticalInfo(Log.WARN, "Expected better " + packageName
2266                                + " but never showed up; reverting to system");
2267
2268                        final int reparseFlags;
2269                        if (FileUtils.contains(privilegedAppDir, scanFile)) {
2270                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2271                                    | PackageParser.PARSE_IS_SYSTEM_DIR
2272                                    | PackageParser.PARSE_IS_PRIVILEGED;
2273                        } else if (FileUtils.contains(systemAppDir, scanFile)) {
2274                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2275                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
2276                        } else if (FileUtils.contains(vendorAppDir, scanFile)) {
2277                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2278                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
2279                        } else if (FileUtils.contains(oemAppDir, scanFile)) {
2280                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2281                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
2282                        } else {
2283                            Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile);
2284                            continue;
2285                        }
2286
2287                        mSettings.enableSystemPackageLPw(packageName);
2288
2289                        try {
2290                            scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null);
2291                        } catch (PackageManagerException e) {
2292                            Slog.e(TAG, "Failed to parse original system package: "
2293                                    + e.getMessage());
2294                        }
2295                    }
2296                }
2297            }
2298            mExpectingBetter.clear();
2299
2300            // Now that we know all of the shared libraries, update all clients to have
2301            // the correct library paths.
2302            updateAllSharedLibrariesLPw();
2303
2304            for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) {
2305                // NOTE: We ignore potential failures here during a system scan (like
2306                // the rest of the commands above) because there's precious little we
2307                // can do about it. A settings error is reported, though.
2308                adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */,
2309                        false /* force dexopt */, false /* defer dexopt */,
2310                        false /* boot complete */);
2311            }
2312
2313            // Now that we know all the packages we are keeping,
2314            // read and update their last usage times.
2315            mPackageUsage.readLP();
2316
2317            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END,
2318                    SystemClock.uptimeMillis());
2319            Slog.i(TAG, "Time to scan packages: "
2320                    + ((SystemClock.uptimeMillis()-startTime)/1000f)
2321                    + " seconds");
2322
2323            // If the platform SDK has changed since the last time we booted,
2324            // we need to re-grant app permission to catch any new ones that
2325            // appear.  This is really a hack, and means that apps can in some
2326            // cases get permissions that the user didn't initially explicitly
2327            // allow...  it would be nice to have some better way to handle
2328            // this situation.
2329            int updateFlags = UPDATE_PERMISSIONS_ALL;
2330            if (ver.sdkVersion != mSdkVersion) {
2331                Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to "
2332                        + mSdkVersion + "; regranting permissions for internal storage");
2333                updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL;
2334            }
2335            updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags);
2336            ver.sdkVersion = mSdkVersion;
2337
2338            // If this is the first boot or an update from pre-M, and it is a normal
2339            // boot, then we need to initialize the default preferred apps across
2340            // all defined users.
2341            if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) {
2342                for (UserInfo user : sUserManager.getUsers(true)) {
2343                    mSettings.applyDefaultPreferredAppsLPw(this, user.id);
2344                    applyFactoryDefaultBrowserLPw(user.id);
2345                    primeDomainVerificationsLPw(user.id);
2346                }
2347            }
2348
2349            // If this is first boot after an OTA, and a normal boot, then
2350            // we need to clear code cache directories.
2351            if (mIsUpgrade && !onlyCore) {
2352                Slog.i(TAG, "Build fingerprint changed; clearing code caches");
2353                for (int i = 0; i < mSettings.mPackages.size(); i++) {
2354                    final PackageSetting ps = mSettings.mPackages.valueAt(i);
2355                    if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) {
2356                        deleteCodeCacheDirsLI(ps.volumeUuid, ps.name);
2357                    }
2358                }
2359                ver.fingerprint = Build.FINGERPRINT;
2360            }
2361
2362            checkDefaultBrowser();
2363
2364            // clear only after permissions and other defaults have been updated
2365            mExistingSystemPackages.clear();
2366            mPromoteSystemApps = false;
2367
2368            // All the changes are done during package scanning.
2369            ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION;
2370
2371            // can downgrade to reader
2372            mSettings.writeLPr();
2373
2374            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY,
2375                    SystemClock.uptimeMillis());
2376
2377            mRequiredVerifierPackage = getRequiredVerifierLPr();
2378            mRequiredInstallerPackage = getRequiredInstallerLPr();
2379
2380            mInstallerService = new PackageInstallerService(context, this);
2381
2382            mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr();
2383            mIntentFilterVerifier = new IntentVerifierProxy(mContext,
2384                    mIntentFilterVerifierComponent);
2385
2386        } // synchronized (mPackages)
2387        } // synchronized (mInstallLock)
2388
2389        // Now after opening every single application zip, make sure they
2390        // are all flushed.  Not really needed, but keeps things nice and
2391        // tidy.
2392        Runtime.getRuntime().gc();
2393
2394        // The initial scanning above does many calls into installd while
2395        // holding the mPackages lock, but we're mostly interested in yelling
2396        // once we have a booted system.
2397        mInstaller.setWarnIfHeld(mPackages);
2398
2399        // Expose private service for system components to use.
2400        LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl());
2401    }
2402
2403    @Override
2404    public boolean isFirstBoot() {
2405        return !mRestoredSettings;
2406    }
2407
2408    @Override
2409    public boolean isOnlyCoreApps() {
2410        return mOnlyCore;
2411    }
2412
2413    @Override
2414    public boolean isUpgrade() {
2415        return mIsUpgrade;
2416    }
2417
2418    private String getRequiredVerifierLPr() {
2419        final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
2420        // We only care about verifier that's installed under system user.
2421        final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE,
2422                PackageManager.GET_DISABLED_COMPONENTS, UserHandle.USER_SYSTEM);
2423
2424        String requiredVerifier = null;
2425
2426        final int N = receivers.size();
2427        for (int i = 0; i < N; i++) {
2428            final ResolveInfo info = receivers.get(i);
2429
2430            if (info.activityInfo == null) {
2431                continue;
2432            }
2433
2434            final String packageName = info.activityInfo.packageName;
2435
2436            if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
2437                    packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) {
2438                continue;
2439            }
2440
2441            if (requiredVerifier != null) {
2442                throw new RuntimeException("There can be only one required verifier");
2443            }
2444
2445            requiredVerifier = packageName;
2446        }
2447
2448        return requiredVerifier;
2449    }
2450
2451    private String getRequiredInstallerLPr() {
2452        Intent installerIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE);
2453        installerIntent.addCategory(Intent.CATEGORY_DEFAULT);
2454        installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE);
2455
2456        final List<ResolveInfo> installers = queryIntentActivities(installerIntent,
2457                PACKAGE_MIME_TYPE, 0, UserHandle.USER_SYSTEM);
2458
2459        String requiredInstaller = null;
2460
2461        final int N = installers.size();
2462        for (int i = 0; i < N; i++) {
2463            final ResolveInfo info = installers.get(i);
2464            final String packageName = info.activityInfo.packageName;
2465
2466            if (!info.activityInfo.applicationInfo.isSystemApp()) {
2467                continue;
2468            }
2469
2470            if (requiredInstaller != null) {
2471                throw new RuntimeException("There must be one required installer");
2472            }
2473
2474            requiredInstaller = packageName;
2475        }
2476
2477        if (requiredInstaller == null) {
2478            throw new RuntimeException("There must be one required installer");
2479        }
2480
2481        return requiredInstaller;
2482    }
2483
2484    private ComponentName getIntentFilterVerifierComponentNameLPr() {
2485        final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION);
2486        final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE,
2487                PackageManager.GET_DISABLED_COMPONENTS, UserHandle.USER_SYSTEM);
2488
2489        ComponentName verifierComponentName = null;
2490
2491        int priority = -1000;
2492        final int N = receivers.size();
2493        for (int i = 0; i < N; i++) {
2494            final ResolveInfo info = receivers.get(i);
2495
2496            if (info.activityInfo == null) {
2497                continue;
2498            }
2499
2500            final String packageName = info.activityInfo.packageName;
2501
2502            final PackageSetting ps = mSettings.mPackages.get(packageName);
2503            if (ps == null) {
2504                continue;
2505            }
2506
2507            if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT,
2508                    packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) {
2509                continue;
2510            }
2511
2512            // Select the IntentFilterVerifier with the highest priority
2513            if (priority < info.priority) {
2514                priority = info.priority;
2515                verifierComponentName = new ComponentName(packageName, info.activityInfo.name);
2516                if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Selecting IntentFilterVerifier: "
2517                        + verifierComponentName + " with priority: " + info.priority);
2518            }
2519        }
2520
2521        return verifierComponentName;
2522    }
2523
2524    private void primeDomainVerificationsLPw(int userId) {
2525        if (DEBUG_DOMAIN_VERIFICATION) {
2526            Slog.d(TAG, "Priming domain verifications in user " + userId);
2527        }
2528
2529        SystemConfig systemConfig = SystemConfig.getInstance();
2530        ArraySet<String> packages = systemConfig.getLinkedApps();
2531        ArraySet<String> domains = new ArraySet<String>();
2532
2533        for (String packageName : packages) {
2534            PackageParser.Package pkg = mPackages.get(packageName);
2535            if (pkg != null) {
2536                if (!pkg.isSystemApp()) {
2537                    Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>");
2538                    continue;
2539                }
2540
2541                domains.clear();
2542                for (PackageParser.Activity a : pkg.activities) {
2543                    for (ActivityIntentInfo filter : a.intents) {
2544                        if (hasValidDomains(filter)) {
2545                            domains.addAll(filter.getHostsList());
2546                        }
2547                    }
2548                }
2549
2550                if (domains.size() > 0) {
2551                    if (DEBUG_DOMAIN_VERIFICATION) {
2552                        Slog.v(TAG, "      + " + packageName);
2553                    }
2554                    // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual
2555                    // state w.r.t. the formal app-linkage "no verification attempted" state;
2556                    // and then 'always' in the per-user state actually used for intent resolution.
2557                    final IntentFilterVerificationInfo ivi;
2558                    ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName,
2559                            new ArrayList<String>(domains));
2560                    ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED);
2561                    mSettings.updateIntentFilterVerificationStatusLPw(packageName,
2562                            INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId);
2563                } else {
2564                    Slog.w(TAG, "Sysconfig <app-link> package '" + packageName
2565                            + "' does not handle web links");
2566                }
2567            } else {
2568                Slog.w(TAG, "Unknown package '" + packageName + "' in sysconfig <app-link>");
2569            }
2570        }
2571
2572        scheduleWritePackageRestrictionsLocked(userId);
2573        scheduleWriteSettingsLocked();
2574    }
2575
2576    private void applyFactoryDefaultBrowserLPw(int userId) {
2577        // The default browser app's package name is stored in a string resource,
2578        // with a product-specific overlay used for vendor customization.
2579        String browserPkg = mContext.getResources().getString(
2580                com.android.internal.R.string.default_browser);
2581        if (!TextUtils.isEmpty(browserPkg)) {
2582            // non-empty string => required to be a known package
2583            PackageSetting ps = mSettings.mPackages.get(browserPkg);
2584            if (ps == null) {
2585                Slog.e(TAG, "Product default browser app does not exist: " + browserPkg);
2586                browserPkg = null;
2587            } else {
2588                mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId);
2589            }
2590        }
2591
2592        // Nothing valid explicitly set? Make the factory-installed browser the explicit
2593        // default.  If there's more than one, just leave everything alone.
2594        if (browserPkg == null) {
2595            calculateDefaultBrowserLPw(userId);
2596        }
2597    }
2598
2599    private void calculateDefaultBrowserLPw(int userId) {
2600        List<String> allBrowsers = resolveAllBrowserApps(userId);
2601        final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null;
2602        mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId);
2603    }
2604
2605    private List<String> resolveAllBrowserApps(int userId) {
2606        // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set
2607        List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null,
2608                PackageManager.MATCH_ALL, userId);
2609
2610        final int count = list.size();
2611        List<String> result = new ArrayList<String>(count);
2612        for (int i=0; i<count; i++) {
2613            ResolveInfo info = list.get(i);
2614            if (info.activityInfo == null
2615                    || !info.handleAllWebDataURI
2616                    || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0
2617                    || result.contains(info.activityInfo.packageName)) {
2618                continue;
2619            }
2620            result.add(info.activityInfo.packageName);
2621        }
2622
2623        return result;
2624    }
2625
2626    private boolean packageIsBrowser(String packageName, int userId) {
2627        List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null,
2628                PackageManager.MATCH_ALL, userId);
2629        final int N = list.size();
2630        for (int i = 0; i < N; i++) {
2631            ResolveInfo info = list.get(i);
2632            if (packageName.equals(info.activityInfo.packageName)) {
2633                return true;
2634            }
2635        }
2636        return false;
2637    }
2638
2639    private void checkDefaultBrowser() {
2640        final int myUserId = UserHandle.myUserId();
2641        final String packageName = getDefaultBrowserPackageName(myUserId);
2642        if (packageName != null) {
2643            PackageInfo info = getPackageInfo(packageName, 0, myUserId);
2644            if (info == null) {
2645                Slog.w(TAG, "Default browser no longer installed: " + packageName);
2646                synchronized (mPackages) {
2647                    applyFactoryDefaultBrowserLPw(myUserId);    // leaves ambiguous when > 1
2648                }
2649            }
2650        }
2651    }
2652
2653    @Override
2654    public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
2655            throws RemoteException {
2656        try {
2657            return super.onTransact(code, data, reply, flags);
2658        } catch (RuntimeException e) {
2659            if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) {
2660                Slog.wtf(TAG, "Package Manager Crash", e);
2661            }
2662            throw e;
2663        }
2664    }
2665
2666    void cleanupInstallFailedPackage(PackageSetting ps) {
2667        logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name);
2668
2669        removeDataDirsLI(ps.volumeUuid, ps.name);
2670        if (ps.codePath != null) {
2671            if (ps.codePath.isDirectory()) {
2672                mInstaller.rmPackageDir(ps.codePath.getAbsolutePath());
2673            } else {
2674                ps.codePath.delete();
2675            }
2676        }
2677        if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) {
2678            if (ps.resourcePath.isDirectory()) {
2679                FileUtils.deleteContents(ps.resourcePath);
2680            }
2681            ps.resourcePath.delete();
2682        }
2683        mSettings.removePackageLPw(ps.name);
2684    }
2685
2686    static int[] appendInts(int[] cur, int[] add) {
2687        if (add == null) return cur;
2688        if (cur == null) return add;
2689        final int N = add.length;
2690        for (int i=0; i<N; i++) {
2691            cur = appendInt(cur, add[i]);
2692        }
2693        return cur;
2694    }
2695
2696    PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) {
2697        if (!sUserManager.exists(userId)) return null;
2698        final PackageSetting ps = (PackageSetting) p.mExtras;
2699        if (ps == null) {
2700            return null;
2701        }
2702
2703        final PermissionsState permissionsState = ps.getPermissionsState();
2704
2705        final int[] gids = permissionsState.computeGids(userId);
2706        final Set<String> permissions = permissionsState.getPermissions(userId);
2707        final PackageUserState state = ps.readUserState(userId);
2708
2709        return PackageParser.generatePackageInfo(p, gids, flags,
2710                ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId);
2711    }
2712
2713    @Override
2714    public boolean isPackageFrozen(String packageName) {
2715        synchronized (mPackages) {
2716            final PackageSetting ps = mSettings.mPackages.get(packageName);
2717            if (ps != null) {
2718                return ps.frozen;
2719            }
2720        }
2721        Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen");
2722        return true;
2723    }
2724
2725    @Override
2726    public boolean isPackageAvailable(String packageName, int userId) {
2727        if (!sUserManager.exists(userId)) return false;
2728        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available");
2729        synchronized (mPackages) {
2730            PackageParser.Package p = mPackages.get(packageName);
2731            if (p != null) {
2732                final PackageSetting ps = (PackageSetting) p.mExtras;
2733                if (ps != null) {
2734                    final PackageUserState state = ps.readUserState(userId);
2735                    if (state != null) {
2736                        return PackageParser.isAvailable(state);
2737                    }
2738                }
2739            }
2740        }
2741        return false;
2742    }
2743
2744    @Override
2745    public PackageInfo getPackageInfo(String packageName, int flags, int userId) {
2746        if (!sUserManager.exists(userId)) return null;
2747        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info");
2748        // reader
2749        synchronized (mPackages) {
2750            PackageParser.Package p = mPackages.get(packageName);
2751            if (DEBUG_PACKAGE_INFO)
2752                Log.v(TAG, "getPackageInfo " + packageName + ": " + p);
2753            if (p != null) {
2754                return generatePackageInfo(p, flags, userId);
2755            }
2756            if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
2757                return generatePackageInfoFromSettingsLPw(packageName, flags, userId);
2758            }
2759        }
2760        return null;
2761    }
2762
2763    @Override
2764    public String[] currentToCanonicalPackageNames(String[] names) {
2765        String[] out = new String[names.length];
2766        // reader
2767        synchronized (mPackages) {
2768            for (int i=names.length-1; i>=0; i--) {
2769                PackageSetting ps = mSettings.mPackages.get(names[i]);
2770                out[i] = ps != null && ps.realName != null ? ps.realName : names[i];
2771            }
2772        }
2773        return out;
2774    }
2775
2776    @Override
2777    public String[] canonicalToCurrentPackageNames(String[] names) {
2778        String[] out = new String[names.length];
2779        // reader
2780        synchronized (mPackages) {
2781            for (int i=names.length-1; i>=0; i--) {
2782                String cur = mSettings.mRenamedPackages.get(names[i]);
2783                out[i] = cur != null ? cur : names[i];
2784            }
2785        }
2786        return out;
2787    }
2788
2789    @Override
2790    public int getPackageUid(String packageName, int userId) {
2791        return getPackageUidEtc(packageName, 0, userId);
2792    }
2793
2794    @Override
2795    public int getPackageUidEtc(String packageName, int flags, int userId) {
2796        if (!sUserManager.exists(userId)) return -1;
2797        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid");
2798
2799        // reader
2800        synchronized (mPackages) {
2801            final PackageParser.Package p = mPackages.get(packageName);
2802            if (p != null) {
2803                return UserHandle.getUid(userId, p.applicationInfo.uid);
2804            }
2805            if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
2806                final PackageSetting ps = mSettings.mPackages.get(packageName);
2807                if (ps != null) {
2808                    return UserHandle.getUid(userId, ps.appId);
2809                }
2810            }
2811        }
2812
2813        return -1;
2814    }
2815
2816    @Override
2817    public int[] getPackageGids(String packageName, int userId) {
2818        return getPackageGidsEtc(packageName, 0, userId);
2819    }
2820
2821    @Override
2822    public int[] getPackageGidsEtc(String packageName, int flags, int userId) {
2823        if (!sUserManager.exists(userId)) {
2824            return null;
2825        }
2826
2827        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false,
2828                "getPackageGids");
2829
2830        // reader
2831        synchronized (mPackages) {
2832            final PackageParser.Package p = mPackages.get(packageName);
2833            if (p != null) {
2834                PackageSetting ps = (PackageSetting) p.mExtras;
2835                return ps.getPermissionsState().computeGids(userId);
2836            }
2837            if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
2838                final PackageSetting ps = mSettings.mPackages.get(packageName);
2839                if (ps != null) {
2840                    return ps.getPermissionsState().computeGids(userId);
2841                }
2842            }
2843        }
2844
2845        return null;
2846    }
2847
2848    static PermissionInfo generatePermissionInfo(
2849            BasePermission bp, int flags) {
2850        if (bp.perm != null) {
2851            return PackageParser.generatePermissionInfo(bp.perm, flags);
2852        }
2853        PermissionInfo pi = new PermissionInfo();
2854        pi.name = bp.name;
2855        pi.packageName = bp.sourcePackage;
2856        pi.nonLocalizedLabel = bp.name;
2857        pi.protectionLevel = bp.protectionLevel;
2858        return pi;
2859    }
2860
2861    @Override
2862    public PermissionInfo getPermissionInfo(String name, int flags) {
2863        // reader
2864        synchronized (mPackages) {
2865            final BasePermission p = mSettings.mPermissions.get(name);
2866            if (p != null) {
2867                return generatePermissionInfo(p, flags);
2868            }
2869            return null;
2870        }
2871    }
2872
2873    @Override
2874    public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) {
2875        // reader
2876        synchronized (mPackages) {
2877            ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10);
2878            for (BasePermission p : mSettings.mPermissions.values()) {
2879                if (group == null) {
2880                    if (p.perm == null || p.perm.info.group == null) {
2881                        out.add(generatePermissionInfo(p, flags));
2882                    }
2883                } else {
2884                    if (p.perm != null && group.equals(p.perm.info.group)) {
2885                        out.add(PackageParser.generatePermissionInfo(p.perm, flags));
2886                    }
2887                }
2888            }
2889
2890            if (out.size() > 0) {
2891                return out;
2892            }
2893            return mPermissionGroups.containsKey(group) ? out : null;
2894        }
2895    }
2896
2897    @Override
2898    public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) {
2899        // reader
2900        synchronized (mPackages) {
2901            return PackageParser.generatePermissionGroupInfo(
2902                    mPermissionGroups.get(name), flags);
2903        }
2904    }
2905
2906    @Override
2907    public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
2908        // reader
2909        synchronized (mPackages) {
2910            final int N = mPermissionGroups.size();
2911            ArrayList<PermissionGroupInfo> out
2912                    = new ArrayList<PermissionGroupInfo>(N);
2913            for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) {
2914                out.add(PackageParser.generatePermissionGroupInfo(pg, flags));
2915            }
2916            return out;
2917        }
2918    }
2919
2920    private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags,
2921            int userId) {
2922        if (!sUserManager.exists(userId)) return null;
2923        PackageSetting ps = mSettings.mPackages.get(packageName);
2924        if (ps != null) {
2925            if (ps.pkg == null) {
2926                PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName,
2927                        flags, userId);
2928                if (pInfo != null) {
2929                    return pInfo.applicationInfo;
2930                }
2931                return null;
2932            }
2933            return PackageParser.generateApplicationInfo(ps.pkg, flags,
2934                    ps.readUserState(userId), userId);
2935        }
2936        return null;
2937    }
2938
2939    private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags,
2940            int userId) {
2941        if (!sUserManager.exists(userId)) return null;
2942        PackageSetting ps = mSettings.mPackages.get(packageName);
2943        if (ps != null) {
2944            PackageParser.Package pkg = ps.pkg;
2945            if (pkg == null) {
2946                if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) {
2947                    return null;
2948                }
2949                // Only data remains, so we aren't worried about code paths
2950                pkg = new PackageParser.Package(packageName);
2951                pkg.applicationInfo.packageName = packageName;
2952                pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY;
2953                pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags;
2954                pkg.applicationInfo.uid = ps.appId;
2955                pkg.applicationInfo.initForUser(userId);
2956                pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString;
2957                pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString;
2958            }
2959            return generatePackageInfo(pkg, flags, userId);
2960        }
2961        return null;
2962    }
2963
2964    @Override
2965    public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) {
2966        if (!sUserManager.exists(userId)) return null;
2967        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info");
2968        // writer
2969        synchronized (mPackages) {
2970            PackageParser.Package p = mPackages.get(packageName);
2971            if (DEBUG_PACKAGE_INFO) Log.v(
2972                    TAG, "getApplicationInfo " + packageName
2973                    + ": " + p);
2974            if (p != null) {
2975                PackageSetting ps = mSettings.mPackages.get(packageName);
2976                if (ps == null) return null;
2977                // Note: isEnabledLP() does not apply here - always return info
2978                return PackageParser.generateApplicationInfo(
2979                        p, flags, ps.readUserState(userId), userId);
2980            }
2981            if ("android".equals(packageName)||"system".equals(packageName)) {
2982                return mAndroidApplication;
2983            }
2984            if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
2985                return generateApplicationInfoFromSettingsLPw(packageName, flags, userId);
2986            }
2987        }
2988        return null;
2989    }
2990
2991    @Override
2992    public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize,
2993            final IPackageDataObserver observer) {
2994        mContext.enforceCallingOrSelfPermission(
2995                android.Manifest.permission.CLEAR_APP_CACHE, null);
2996        // Queue up an async operation since clearing cache may take a little while.
2997        mHandler.post(new Runnable() {
2998            public void run() {
2999                mHandler.removeCallbacks(this);
3000                int retCode = -1;
3001                synchronized (mInstallLock) {
3002                    retCode = mInstaller.freeCache(volumeUuid, freeStorageSize);
3003                    if (retCode < 0) {
3004                        Slog.w(TAG, "Couldn't clear application caches");
3005                    }
3006                }
3007                if (observer != null) {
3008                    try {
3009                        observer.onRemoveCompleted(null, (retCode >= 0));
3010                    } catch (RemoteException e) {
3011                        Slog.w(TAG, "RemoveException when invoking call back");
3012                    }
3013                }
3014            }
3015        });
3016    }
3017
3018    @Override
3019    public void freeStorage(final String volumeUuid, final long freeStorageSize,
3020            final IntentSender pi) {
3021        mContext.enforceCallingOrSelfPermission(
3022                android.Manifest.permission.CLEAR_APP_CACHE, null);
3023        // Queue up an async operation since clearing cache may take a little while.
3024        mHandler.post(new Runnable() {
3025            public void run() {
3026                mHandler.removeCallbacks(this);
3027                int retCode = -1;
3028                synchronized (mInstallLock) {
3029                    retCode = mInstaller.freeCache(volumeUuid, freeStorageSize);
3030                    if (retCode < 0) {
3031                        Slog.w(TAG, "Couldn't clear application caches");
3032                    }
3033                }
3034                if(pi != null) {
3035                    try {
3036                        // Callback via pending intent
3037                        int code = (retCode >= 0) ? 1 : 0;
3038                        pi.sendIntent(null, code, null,
3039                                null, null);
3040                    } catch (SendIntentException e1) {
3041                        Slog.i(TAG, "Failed to send pending intent");
3042                    }
3043                }
3044            }
3045        });
3046    }
3047
3048    void freeStorage(String volumeUuid, long freeStorageSize) throws IOException {
3049        synchronized (mInstallLock) {
3050            if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) {
3051                throw new IOException("Failed to free enough space");
3052            }
3053        }
3054    }
3055
3056    @Override
3057    public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) {
3058        if (!sUserManager.exists(userId)) return null;
3059        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info");
3060        synchronized (mPackages) {
3061            PackageParser.Activity a = mActivities.mActivities.get(component);
3062
3063            if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a);
3064            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
3065                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
3066                if (ps == null) return null;
3067                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
3068                        userId);
3069            }
3070            if (mResolveComponentName.equals(component)) {
3071                return PackageParser.generateActivityInfo(mResolveActivity, flags,
3072                        new PackageUserState(), userId);
3073            }
3074        }
3075        return null;
3076    }
3077
3078    @Override
3079    public boolean activitySupportsIntent(ComponentName component, Intent intent,
3080            String resolvedType) {
3081        synchronized (mPackages) {
3082            if (component.equals(mResolveComponentName)) {
3083                // The resolver supports EVERYTHING!
3084                return true;
3085            }
3086            PackageParser.Activity a = mActivities.mActivities.get(component);
3087            if (a == null) {
3088                return false;
3089            }
3090            for (int i=0; i<a.intents.size(); i++) {
3091                if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(),
3092                        intent.getData(), intent.getCategories(), TAG) >= 0) {
3093                    return true;
3094                }
3095            }
3096            return false;
3097        }
3098    }
3099
3100    @Override
3101    public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) {
3102        if (!sUserManager.exists(userId)) return null;
3103        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info");
3104        synchronized (mPackages) {
3105            PackageParser.Activity a = mReceivers.mActivities.get(component);
3106            if (DEBUG_PACKAGE_INFO) Log.v(
3107                TAG, "getReceiverInfo " + component + ": " + a);
3108            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
3109                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
3110                if (ps == null) return null;
3111                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
3112                        userId);
3113            }
3114        }
3115        return null;
3116    }
3117
3118    @Override
3119    public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) {
3120        if (!sUserManager.exists(userId)) return null;
3121        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info");
3122        synchronized (mPackages) {
3123            PackageParser.Service s = mServices.mServices.get(component);
3124            if (DEBUG_PACKAGE_INFO) Log.v(
3125                TAG, "getServiceInfo " + component + ": " + s);
3126            if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) {
3127                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
3128                if (ps == null) return null;
3129                return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId),
3130                        userId);
3131            }
3132        }
3133        return null;
3134    }
3135
3136    @Override
3137    public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) {
3138        if (!sUserManager.exists(userId)) return null;
3139        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info");
3140        synchronized (mPackages) {
3141            PackageParser.Provider p = mProviders.mProviders.get(component);
3142            if (DEBUG_PACKAGE_INFO) Log.v(
3143                TAG, "getProviderInfo " + component + ": " + p);
3144            if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) {
3145                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
3146                if (ps == null) return null;
3147                return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId),
3148                        userId);
3149            }
3150        }
3151        return null;
3152    }
3153
3154    @Override
3155    public String[] getSystemSharedLibraryNames() {
3156        Set<String> libSet;
3157        synchronized (mPackages) {
3158            libSet = mSharedLibraries.keySet();
3159            int size = libSet.size();
3160            if (size > 0) {
3161                String[] libs = new String[size];
3162                libSet.toArray(libs);
3163                return libs;
3164            }
3165        }
3166        return null;
3167    }
3168
3169    /**
3170     * @hide
3171     */
3172    PackageParser.Package findSharedNonSystemLibrary(String libName) {
3173        synchronized (mPackages) {
3174            PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName);
3175            if (lib != null && lib.apk != null) {
3176                return mPackages.get(lib.apk);
3177            }
3178        }
3179        return null;
3180    }
3181
3182    @Override
3183    public FeatureInfo[] getSystemAvailableFeatures() {
3184        Collection<FeatureInfo> featSet;
3185        synchronized (mPackages) {
3186            featSet = mAvailableFeatures.values();
3187            int size = featSet.size();
3188            if (size > 0) {
3189                FeatureInfo[] features = new FeatureInfo[size+1];
3190                featSet.toArray(features);
3191                FeatureInfo fi = new FeatureInfo();
3192                fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version",
3193                        FeatureInfo.GL_ES_VERSION_UNDEFINED);
3194                features[size] = fi;
3195                return features;
3196            }
3197        }
3198        return null;
3199    }
3200
3201    @Override
3202    public boolean hasSystemFeature(String name) {
3203        synchronized (mPackages) {
3204            return mAvailableFeatures.containsKey(name);
3205        }
3206    }
3207
3208    private void checkValidCaller(int uid, int userId) {
3209        if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0)
3210            return;
3211
3212        throw new SecurityException("Caller uid=" + uid
3213                + " is not privileged to communicate with user=" + userId);
3214    }
3215
3216    @Override
3217    public int checkPermission(String permName, String pkgName, int userId) {
3218        if (!sUserManager.exists(userId)) {
3219            return PackageManager.PERMISSION_DENIED;
3220        }
3221
3222        synchronized (mPackages) {
3223            final PackageParser.Package p = mPackages.get(pkgName);
3224            if (p != null && p.mExtras != null) {
3225                final PackageSetting ps = (PackageSetting) p.mExtras;
3226                final PermissionsState permissionsState = ps.getPermissionsState();
3227                if (permissionsState.hasPermission(permName, userId)) {
3228                    return PackageManager.PERMISSION_GRANTED;
3229                }
3230                // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION
3231                if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState
3232                        .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) {
3233                    return PackageManager.PERMISSION_GRANTED;
3234                }
3235            }
3236        }
3237
3238        return PackageManager.PERMISSION_DENIED;
3239    }
3240
3241    @Override
3242    public int checkUidPermission(String permName, int uid) {
3243        final int userId = UserHandle.getUserId(uid);
3244
3245        if (!sUserManager.exists(userId)) {
3246            return PackageManager.PERMISSION_DENIED;
3247        }
3248
3249        synchronized (mPackages) {
3250            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
3251            if (obj != null) {
3252                final SettingBase ps = (SettingBase) obj;
3253                final PermissionsState permissionsState = ps.getPermissionsState();
3254                if (permissionsState.hasPermission(permName, userId)) {
3255                    return PackageManager.PERMISSION_GRANTED;
3256                }
3257                // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION
3258                if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState
3259                        .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) {
3260                    return PackageManager.PERMISSION_GRANTED;
3261                }
3262            } else {
3263                ArraySet<String> perms = mSystemPermissions.get(uid);
3264                if (perms != null) {
3265                    if (perms.contains(permName)) {
3266                        return PackageManager.PERMISSION_GRANTED;
3267                    }
3268                    if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms
3269                            .contains(Manifest.permission.ACCESS_FINE_LOCATION)) {
3270                        return PackageManager.PERMISSION_GRANTED;
3271                    }
3272                }
3273            }
3274        }
3275
3276        return PackageManager.PERMISSION_DENIED;
3277    }
3278
3279    @Override
3280    public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) {
3281        if (UserHandle.getCallingUserId() != userId) {
3282            mContext.enforceCallingPermission(
3283                    android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
3284                    "isPermissionRevokedByPolicy for user " + userId);
3285        }
3286
3287        if (checkPermission(permission, packageName, userId)
3288                == PackageManager.PERMISSION_GRANTED) {
3289            return false;
3290        }
3291
3292        final long identity = Binder.clearCallingIdentity();
3293        try {
3294            final int flags = getPermissionFlags(permission, packageName, userId);
3295            return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0;
3296        } finally {
3297            Binder.restoreCallingIdentity(identity);
3298        }
3299    }
3300
3301    @Override
3302    public String getPermissionControllerPackageName() {
3303        synchronized (mPackages) {
3304            return mRequiredInstallerPackage;
3305        }
3306    }
3307
3308    /**
3309     * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS
3310     * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller.
3311     * @param checkShell TODO(yamasani):
3312     * @param message the message to log on security exception
3313     */
3314    void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission,
3315            boolean checkShell, String message) {
3316        if (userId < 0) {
3317            throw new IllegalArgumentException("Invalid userId " + userId);
3318        }
3319        if (checkShell) {
3320            enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId);
3321        }
3322        if (userId == UserHandle.getUserId(callingUid)) return;
3323        if (callingUid != Process.SYSTEM_UID && callingUid != 0) {
3324            if (requireFullPermission) {
3325                mContext.enforceCallingOrSelfPermission(
3326                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
3327            } else {
3328                try {
3329                    mContext.enforceCallingOrSelfPermission(
3330                            android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
3331                } catch (SecurityException se) {
3332                    mContext.enforceCallingOrSelfPermission(
3333                            android.Manifest.permission.INTERACT_ACROSS_USERS, message);
3334                }
3335            }
3336        }
3337    }
3338
3339    void enforceShellRestriction(String restriction, int callingUid, int userHandle) {
3340        if (callingUid == Process.SHELL_UID) {
3341            if (userHandle >= 0
3342                    && sUserManager.hasUserRestriction(restriction, userHandle)) {
3343                throw new SecurityException("Shell does not have permission to access user "
3344                        + userHandle);
3345            } else if (userHandle < 0) {
3346                Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t"
3347                        + Debug.getCallers(3));
3348            }
3349        }
3350    }
3351
3352    private BasePermission findPermissionTreeLP(String permName) {
3353        for(BasePermission bp : mSettings.mPermissionTrees.values()) {
3354            if (permName.startsWith(bp.name) &&
3355                    permName.length() > bp.name.length() &&
3356                    permName.charAt(bp.name.length()) == '.') {
3357                return bp;
3358            }
3359        }
3360        return null;
3361    }
3362
3363    private BasePermission checkPermissionTreeLP(String permName) {
3364        if (permName != null) {
3365            BasePermission bp = findPermissionTreeLP(permName);
3366            if (bp != null) {
3367                if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) {
3368                    return bp;
3369                }
3370                throw new SecurityException("Calling uid "
3371                        + Binder.getCallingUid()
3372                        + " is not allowed to add to permission tree "
3373                        + bp.name + " owned by uid " + bp.uid);
3374            }
3375        }
3376        throw new SecurityException("No permission tree found for " + permName);
3377    }
3378
3379    static boolean compareStrings(CharSequence s1, CharSequence s2) {
3380        if (s1 == null) {
3381            return s2 == null;
3382        }
3383        if (s2 == null) {
3384            return false;
3385        }
3386        if (s1.getClass() != s2.getClass()) {
3387            return false;
3388        }
3389        return s1.equals(s2);
3390    }
3391
3392    static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) {
3393        if (pi1.icon != pi2.icon) return false;
3394        if (pi1.logo != pi2.logo) return false;
3395        if (pi1.protectionLevel != pi2.protectionLevel) return false;
3396        if (!compareStrings(pi1.name, pi2.name)) return false;
3397        if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false;
3398        // We'll take care of setting this one.
3399        if (!compareStrings(pi1.packageName, pi2.packageName)) return false;
3400        // These are not currently stored in settings.
3401        //if (!compareStrings(pi1.group, pi2.group)) return false;
3402        //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false;
3403        //if (pi1.labelRes != pi2.labelRes) return false;
3404        //if (pi1.descriptionRes != pi2.descriptionRes) return false;
3405        return true;
3406    }
3407
3408    int permissionInfoFootprint(PermissionInfo info) {
3409        int size = info.name.length();
3410        if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length();
3411        if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length();
3412        return size;
3413    }
3414
3415    int calculateCurrentPermissionFootprintLocked(BasePermission tree) {
3416        int size = 0;
3417        for (BasePermission perm : mSettings.mPermissions.values()) {
3418            if (perm.uid == tree.uid) {
3419                size += perm.name.length() + permissionInfoFootprint(perm.perm.info);
3420            }
3421        }
3422        return size;
3423    }
3424
3425    void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) {
3426        // We calculate the max size of permissions defined by this uid and throw
3427        // if that plus the size of 'info' would exceed our stated maximum.
3428        if (tree.uid != Process.SYSTEM_UID) {
3429            final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree);
3430            if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) {
3431                throw new SecurityException("Permission tree size cap exceeded");
3432            }
3433        }
3434    }
3435
3436    boolean addPermissionLocked(PermissionInfo info, boolean async) {
3437        if (info.labelRes == 0 && info.nonLocalizedLabel == null) {
3438            throw new SecurityException("Label must be specified in permission");
3439        }
3440        BasePermission tree = checkPermissionTreeLP(info.name);
3441        BasePermission bp = mSettings.mPermissions.get(info.name);
3442        boolean added = bp == null;
3443        boolean changed = true;
3444        int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel);
3445        if (added) {
3446            enforcePermissionCapLocked(info, tree);
3447            bp = new BasePermission(info.name, tree.sourcePackage,
3448                    BasePermission.TYPE_DYNAMIC);
3449        } else if (bp.type != BasePermission.TYPE_DYNAMIC) {
3450            throw new SecurityException(
3451                    "Not allowed to modify non-dynamic permission "
3452                    + info.name);
3453        } else {
3454            if (bp.protectionLevel == fixedLevel
3455                    && bp.perm.owner.equals(tree.perm.owner)
3456                    && bp.uid == tree.uid
3457                    && comparePermissionInfos(bp.perm.info, info)) {
3458                changed = false;
3459            }
3460        }
3461        bp.protectionLevel = fixedLevel;
3462        info = new PermissionInfo(info);
3463        info.protectionLevel = fixedLevel;
3464        bp.perm = new PackageParser.Permission(tree.perm.owner, info);
3465        bp.perm.info.packageName = tree.perm.info.packageName;
3466        bp.uid = tree.uid;
3467        if (added) {
3468            mSettings.mPermissions.put(info.name, bp);
3469        }
3470        if (changed) {
3471            if (!async) {
3472                mSettings.writeLPr();
3473            } else {
3474                scheduleWriteSettingsLocked();
3475            }
3476        }
3477        return added;
3478    }
3479
3480    @Override
3481    public boolean addPermission(PermissionInfo info) {
3482        synchronized (mPackages) {
3483            return addPermissionLocked(info, false);
3484        }
3485    }
3486
3487    @Override
3488    public boolean addPermissionAsync(PermissionInfo info) {
3489        synchronized (mPackages) {
3490            return addPermissionLocked(info, true);
3491        }
3492    }
3493
3494    @Override
3495    public void removePermission(String name) {
3496        synchronized (mPackages) {
3497            checkPermissionTreeLP(name);
3498            BasePermission bp = mSettings.mPermissions.get(name);
3499            if (bp != null) {
3500                if (bp.type != BasePermission.TYPE_DYNAMIC) {
3501                    throw new SecurityException(
3502                            "Not allowed to modify non-dynamic permission "
3503                            + name);
3504                }
3505                mSettings.mPermissions.remove(name);
3506                mSettings.writeLPr();
3507            }
3508        }
3509    }
3510
3511    private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg,
3512            BasePermission bp) {
3513        int index = pkg.requestedPermissions.indexOf(bp.name);
3514        if (index == -1) {
3515            throw new SecurityException("Package " + pkg.packageName
3516                    + " has not requested permission " + bp.name);
3517        }
3518        if (!bp.isRuntime() && !bp.isDevelopment()) {
3519            throw new SecurityException("Permission " + bp.name
3520                    + " is not a changeable permission type");
3521        }
3522    }
3523
3524    @Override
3525    public void grantRuntimePermission(String packageName, String name, final int userId) {
3526        if (!sUserManager.exists(userId)) {
3527            Log.e(TAG, "No such user:" + userId);
3528            return;
3529        }
3530
3531        mContext.enforceCallingOrSelfPermission(
3532                android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS,
3533                "grantRuntimePermission");
3534
3535        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
3536                "grantRuntimePermission");
3537
3538        final int uid;
3539        final SettingBase sb;
3540
3541        synchronized (mPackages) {
3542            final PackageParser.Package pkg = mPackages.get(packageName);
3543            if (pkg == null) {
3544                throw new IllegalArgumentException("Unknown package: " + packageName);
3545            }
3546
3547            final BasePermission bp = mSettings.mPermissions.get(name);
3548            if (bp == null) {
3549                throw new IllegalArgumentException("Unknown permission: " + name);
3550            }
3551
3552            enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp);
3553
3554            uid = UserHandle.getUid(userId, pkg.applicationInfo.uid);
3555            sb = (SettingBase) pkg.mExtras;
3556            if (sb == null) {
3557                throw new IllegalArgumentException("Unknown package: " + packageName);
3558            }
3559
3560            final PermissionsState permissionsState = sb.getPermissionsState();
3561
3562            final int flags = permissionsState.getPermissionFlags(name, userId);
3563            if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) {
3564                throw new SecurityException("Cannot grant system fixed permission: "
3565                        + name + " for package: " + packageName);
3566            }
3567
3568            if (bp.isDevelopment()) {
3569                // Development permissions must be handled specially, since they are not
3570                // normal runtime permissions.  For now they apply to all users.
3571                if (permissionsState.grantInstallPermission(bp) !=
3572                        PermissionsState.PERMISSION_OPERATION_FAILURE) {
3573                    scheduleWriteSettingsLocked();
3574                }
3575                return;
3576            }
3577
3578            final int result = permissionsState.grantRuntimePermission(bp, userId);
3579            switch (result) {
3580                case PermissionsState.PERMISSION_OPERATION_FAILURE: {
3581                    return;
3582                }
3583
3584                case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: {
3585                    final int appId = UserHandle.getAppId(pkg.applicationInfo.uid);
3586                    mHandler.post(new Runnable() {
3587                        @Override
3588                        public void run() {
3589                            killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED);
3590                        }
3591                    });
3592                }
3593                break;
3594            }
3595
3596            mOnPermissionChangeListeners.onPermissionsChanged(uid);
3597
3598            // Not critical if that is lost - app has to request again.
3599            mSettings.writeRuntimePermissionsForUserLPr(userId, false);
3600        }
3601
3602        // Only need to do this if user is initialized. Otherwise it's a new user
3603        // and there are no processes running as the user yet and there's no need
3604        // to make an expensive call to remount processes for the changed permissions.
3605        if (READ_EXTERNAL_STORAGE.equals(name)
3606                || WRITE_EXTERNAL_STORAGE.equals(name)) {
3607            final long token = Binder.clearCallingIdentity();
3608            try {
3609                if (sUserManager.isInitialized(userId)) {
3610                    MountServiceInternal mountServiceInternal = LocalServices.getService(
3611                            MountServiceInternal.class);
3612                    mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName);
3613                }
3614            } finally {
3615                Binder.restoreCallingIdentity(token);
3616            }
3617        }
3618    }
3619
3620    @Override
3621    public void revokeRuntimePermission(String packageName, String name, int userId) {
3622        if (!sUserManager.exists(userId)) {
3623            Log.e(TAG, "No such user:" + userId);
3624            return;
3625        }
3626
3627        mContext.enforceCallingOrSelfPermission(
3628                android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS,
3629                "revokeRuntimePermission");
3630
3631        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
3632                "revokeRuntimePermission");
3633
3634        final int appId;
3635
3636        synchronized (mPackages) {
3637            final PackageParser.Package pkg = mPackages.get(packageName);
3638            if (pkg == null) {
3639                throw new IllegalArgumentException("Unknown package: " + packageName);
3640            }
3641
3642            final BasePermission bp = mSettings.mPermissions.get(name);
3643            if (bp == null) {
3644                throw new IllegalArgumentException("Unknown permission: " + name);
3645            }
3646
3647            enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp);
3648
3649            SettingBase sb = (SettingBase) pkg.mExtras;
3650            if (sb == null) {
3651                throw new IllegalArgumentException("Unknown package: " + packageName);
3652            }
3653
3654            final PermissionsState permissionsState = sb.getPermissionsState();
3655
3656            final int flags = permissionsState.getPermissionFlags(name, userId);
3657            if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) {
3658                throw new SecurityException("Cannot revoke system fixed permission: "
3659                        + name + " for package: " + packageName);
3660            }
3661
3662            if (bp.isDevelopment()) {
3663                // Development permissions must be handled specially, since they are not
3664                // normal runtime permissions.  For now they apply to all users.
3665                if (permissionsState.revokeInstallPermission(bp) !=
3666                        PermissionsState.PERMISSION_OPERATION_FAILURE) {
3667                    scheduleWriteSettingsLocked();
3668                }
3669                return;
3670            }
3671
3672            if (permissionsState.revokeRuntimePermission(bp, userId) ==
3673                    PermissionsState.PERMISSION_OPERATION_FAILURE) {
3674                return;
3675            }
3676
3677            mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid);
3678
3679            // Critical, after this call app should never have the permission.
3680            mSettings.writeRuntimePermissionsForUserLPr(userId, true);
3681
3682            appId = UserHandle.getAppId(pkg.applicationInfo.uid);
3683        }
3684
3685        killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED);
3686    }
3687
3688    @Override
3689    public void resetRuntimePermissions() {
3690        mContext.enforceCallingOrSelfPermission(
3691                android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS,
3692                "revokeRuntimePermission");
3693
3694        int callingUid = Binder.getCallingUid();
3695        if (callingUid != Process.SYSTEM_UID && callingUid != 0) {
3696            mContext.enforceCallingOrSelfPermission(
3697                    android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
3698                    "resetRuntimePermissions");
3699        }
3700
3701        synchronized (mPackages) {
3702            updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL);
3703            for (int userId : UserManagerService.getInstance().getUserIds()) {
3704                final int packageCount = mPackages.size();
3705                for (int i = 0; i < packageCount; i++) {
3706                    PackageParser.Package pkg = mPackages.valueAt(i);
3707                    if (!(pkg.mExtras instanceof PackageSetting)) {
3708                        continue;
3709                    }
3710                    PackageSetting ps = (PackageSetting) pkg.mExtras;
3711                    resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId);
3712                }
3713            }
3714        }
3715    }
3716
3717    @Override
3718    public int getPermissionFlags(String name, String packageName, int userId) {
3719        if (!sUserManager.exists(userId)) {
3720            return 0;
3721        }
3722
3723        enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags");
3724
3725        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
3726                "getPermissionFlags");
3727
3728        synchronized (mPackages) {
3729            final PackageParser.Package pkg = mPackages.get(packageName);
3730            if (pkg == null) {
3731                throw new IllegalArgumentException("Unknown package: " + packageName);
3732            }
3733
3734            final BasePermission bp = mSettings.mPermissions.get(name);
3735            if (bp == null) {
3736                throw new IllegalArgumentException("Unknown permission: " + name);
3737            }
3738
3739            SettingBase sb = (SettingBase) pkg.mExtras;
3740            if (sb == null) {
3741                throw new IllegalArgumentException("Unknown package: " + packageName);
3742            }
3743
3744            PermissionsState permissionsState = sb.getPermissionsState();
3745            return permissionsState.getPermissionFlags(name, userId);
3746        }
3747    }
3748
3749    @Override
3750    public void updatePermissionFlags(String name, String packageName, int flagMask,
3751            int flagValues, int userId) {
3752        if (!sUserManager.exists(userId)) {
3753            return;
3754        }
3755
3756        enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags");
3757
3758        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
3759                "updatePermissionFlags");
3760
3761        // Only the system can change these flags and nothing else.
3762        if (getCallingUid() != Process.SYSTEM_UID) {
3763            flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED;
3764            flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED;
3765            flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT;
3766            flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT;
3767        }
3768
3769        synchronized (mPackages) {
3770            final PackageParser.Package pkg = mPackages.get(packageName);
3771            if (pkg == null) {
3772                throw new IllegalArgumentException("Unknown package: " + packageName);
3773            }
3774
3775            final BasePermission bp = mSettings.mPermissions.get(name);
3776            if (bp == null) {
3777                throw new IllegalArgumentException("Unknown permission: " + name);
3778            }
3779
3780            SettingBase sb = (SettingBase) pkg.mExtras;
3781            if (sb == null) {
3782                throw new IllegalArgumentException("Unknown package: " + packageName);
3783            }
3784
3785            PermissionsState permissionsState = sb.getPermissionsState();
3786
3787            boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null;
3788
3789            if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) {
3790                // Install and runtime permissions are stored in different places,
3791                // so figure out what permission changed and persist the change.
3792                if (permissionsState.getInstallPermissionState(name) != null) {
3793                    scheduleWriteSettingsLocked();
3794                } else if (permissionsState.getRuntimePermissionState(name, userId) != null
3795                        || hadState) {
3796                    mSettings.writeRuntimePermissionsForUserLPr(userId, false);
3797                }
3798            }
3799        }
3800    }
3801
3802    /**
3803     * Update the permission flags for all packages and runtime permissions of a user in order
3804     * to allow device or profile owner to remove POLICY_FIXED.
3805     */
3806    @Override
3807    public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) {
3808        if (!sUserManager.exists(userId)) {
3809            return;
3810        }
3811
3812        enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps");
3813
3814        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
3815                "updatePermissionFlagsForAllApps");
3816
3817        // Only the system can change system fixed flags.
3818        if (getCallingUid() != Process.SYSTEM_UID) {
3819            flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED;
3820            flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED;
3821        }
3822
3823        synchronized (mPackages) {
3824            boolean changed = false;
3825            final int packageCount = mPackages.size();
3826            for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) {
3827                final PackageParser.Package pkg = mPackages.valueAt(pkgIndex);
3828                SettingBase sb = (SettingBase) pkg.mExtras;
3829                if (sb == null) {
3830                    continue;
3831                }
3832                PermissionsState permissionsState = sb.getPermissionsState();
3833                changed |= permissionsState.updatePermissionFlagsForAllPermissions(
3834                        userId, flagMask, flagValues);
3835            }
3836            if (changed) {
3837                mSettings.writeRuntimePermissionsForUserLPr(userId, false);
3838            }
3839        }
3840    }
3841
3842    private void enforceGrantRevokeRuntimePermissionPermissions(String message) {
3843        if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS)
3844                != PackageManager.PERMISSION_GRANTED
3845            && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS)
3846                != PackageManager.PERMISSION_GRANTED) {
3847            throw new SecurityException(message + " requires "
3848                    + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or "
3849                    + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS);
3850        }
3851    }
3852
3853    @Override
3854    public boolean shouldShowRequestPermissionRationale(String permissionName,
3855            String packageName, int userId) {
3856        if (UserHandle.getCallingUserId() != userId) {
3857            mContext.enforceCallingPermission(
3858                    android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
3859                    "canShowRequestPermissionRationale for user " + userId);
3860        }
3861
3862        final int uid = getPackageUid(packageName, userId);
3863        if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) {
3864            return false;
3865        }
3866
3867        if (checkPermission(permissionName, packageName, userId)
3868                == PackageManager.PERMISSION_GRANTED) {
3869            return false;
3870        }
3871
3872        final int flags;
3873
3874        final long identity = Binder.clearCallingIdentity();
3875        try {
3876            flags = getPermissionFlags(permissionName,
3877                    packageName, userId);
3878        } finally {
3879            Binder.restoreCallingIdentity(identity);
3880        }
3881
3882        final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED
3883                | PackageManager.FLAG_PERMISSION_POLICY_FIXED
3884                | PackageManager.FLAG_PERMISSION_USER_FIXED;
3885
3886        if ((flags & fixedFlags) != 0) {
3887            return false;
3888        }
3889
3890        return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0;
3891    }
3892
3893    @Override
3894    public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) {
3895        mContext.enforceCallingOrSelfPermission(
3896                Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS,
3897                "addOnPermissionsChangeListener");
3898
3899        synchronized (mPackages) {
3900            mOnPermissionChangeListeners.addListenerLocked(listener);
3901        }
3902    }
3903
3904    @Override
3905    public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) {
3906        synchronized (mPackages) {
3907            mOnPermissionChangeListeners.removeListenerLocked(listener);
3908        }
3909    }
3910
3911    @Override
3912    public boolean isProtectedBroadcast(String actionName) {
3913        synchronized (mPackages) {
3914            return mProtectedBroadcasts.contains(actionName);
3915        }
3916    }
3917
3918    @Override
3919    public int checkSignatures(String pkg1, String pkg2) {
3920        synchronized (mPackages) {
3921            final PackageParser.Package p1 = mPackages.get(pkg1);
3922            final PackageParser.Package p2 = mPackages.get(pkg2);
3923            if (p1 == null || p1.mExtras == null
3924                    || p2 == null || p2.mExtras == null) {
3925                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3926            }
3927            return compareSignatures(p1.mSignatures, p2.mSignatures);
3928        }
3929    }
3930
3931    @Override
3932    public int checkUidSignatures(int uid1, int uid2) {
3933        // Map to base uids.
3934        uid1 = UserHandle.getAppId(uid1);
3935        uid2 = UserHandle.getAppId(uid2);
3936        // reader
3937        synchronized (mPackages) {
3938            Signature[] s1;
3939            Signature[] s2;
3940            Object obj = mSettings.getUserIdLPr(uid1);
3941            if (obj != null) {
3942                if (obj instanceof SharedUserSetting) {
3943                    s1 = ((SharedUserSetting)obj).signatures.mSignatures;
3944                } else if (obj instanceof PackageSetting) {
3945                    s1 = ((PackageSetting)obj).signatures.mSignatures;
3946                } else {
3947                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3948                }
3949            } else {
3950                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3951            }
3952            obj = mSettings.getUserIdLPr(uid2);
3953            if (obj != null) {
3954                if (obj instanceof SharedUserSetting) {
3955                    s2 = ((SharedUserSetting)obj).signatures.mSignatures;
3956                } else if (obj instanceof PackageSetting) {
3957                    s2 = ((PackageSetting)obj).signatures.mSignatures;
3958                } else {
3959                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3960                }
3961            } else {
3962                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3963            }
3964            return compareSignatures(s1, s2);
3965        }
3966    }
3967
3968    private void killUid(int appId, int userId, String reason) {
3969        final long identity = Binder.clearCallingIdentity();
3970        try {
3971            IActivityManager am = ActivityManagerNative.getDefault();
3972            if (am != null) {
3973                try {
3974                    am.killUid(appId, userId, reason);
3975                } catch (RemoteException e) {
3976                    /* ignore - same process */
3977                }
3978            }
3979        } finally {
3980            Binder.restoreCallingIdentity(identity);
3981        }
3982    }
3983
3984    /**
3985     * Compares two sets of signatures. Returns:
3986     * <br />
3987     * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null,
3988     * <br />
3989     * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null,
3990     * <br />
3991     * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null,
3992     * <br />
3993     * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical,
3994     * <br />
3995     * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ.
3996     */
3997    static int compareSignatures(Signature[] s1, Signature[] s2) {
3998        if (s1 == null) {
3999            return s2 == null
4000                    ? PackageManager.SIGNATURE_NEITHER_SIGNED
4001                    : PackageManager.SIGNATURE_FIRST_NOT_SIGNED;
4002        }
4003
4004        if (s2 == null) {
4005            return PackageManager.SIGNATURE_SECOND_NOT_SIGNED;
4006        }
4007
4008        if (s1.length != s2.length) {
4009            return PackageManager.SIGNATURE_NO_MATCH;
4010        }
4011
4012        // Since both signature sets are of size 1, we can compare without HashSets.
4013        if (s1.length == 1) {
4014            return s1[0].equals(s2[0]) ?
4015                    PackageManager.SIGNATURE_MATCH :
4016                    PackageManager.SIGNATURE_NO_MATCH;
4017        }
4018
4019        ArraySet<Signature> set1 = new ArraySet<Signature>();
4020        for (Signature sig : s1) {
4021            set1.add(sig);
4022        }
4023        ArraySet<Signature> set2 = new ArraySet<Signature>();
4024        for (Signature sig : s2) {
4025            set2.add(sig);
4026        }
4027        // Make sure s2 contains all signatures in s1.
4028        if (set1.equals(set2)) {
4029            return PackageManager.SIGNATURE_MATCH;
4030        }
4031        return PackageManager.SIGNATURE_NO_MATCH;
4032    }
4033
4034    /**
4035     * If the database version for this type of package (internal storage or
4036     * external storage) is less than the version where package signatures
4037     * were updated, return true.
4038     */
4039    private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) {
4040        final VersionInfo ver = getSettingsVersionForPackage(scannedPkg);
4041        return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY;
4042    }
4043
4044    /**
4045     * Used for backward compatibility to make sure any packages with
4046     * certificate chains get upgraded to the new style. {@code existingSigs}
4047     * will be in the old format (since they were stored on disk from before the
4048     * system upgrade) and {@code scannedSigs} will be in the newer format.
4049     */
4050    private int compareSignaturesCompat(PackageSignatures existingSigs,
4051            PackageParser.Package scannedPkg) {
4052        if (!isCompatSignatureUpdateNeeded(scannedPkg)) {
4053            return PackageManager.SIGNATURE_NO_MATCH;
4054        }
4055
4056        ArraySet<Signature> existingSet = new ArraySet<Signature>();
4057        for (Signature sig : existingSigs.mSignatures) {
4058            existingSet.add(sig);
4059        }
4060        ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>();
4061        for (Signature sig : scannedPkg.mSignatures) {
4062            try {
4063                Signature[] chainSignatures = sig.getChainSignatures();
4064                for (Signature chainSig : chainSignatures) {
4065                    scannedCompatSet.add(chainSig);
4066                }
4067            } catch (CertificateEncodingException e) {
4068                scannedCompatSet.add(sig);
4069            }
4070        }
4071        /*
4072         * Make sure the expanded scanned set contains all signatures in the
4073         * existing one.
4074         */
4075        if (scannedCompatSet.equals(existingSet)) {
4076            // Migrate the old signatures to the new scheme.
4077            existingSigs.assignSignatures(scannedPkg.mSignatures);
4078            // The new KeySets will be re-added later in the scanning process.
4079            synchronized (mPackages) {
4080                mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName);
4081            }
4082            return PackageManager.SIGNATURE_MATCH;
4083        }
4084        return PackageManager.SIGNATURE_NO_MATCH;
4085    }
4086
4087    private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) {
4088        final VersionInfo ver = getSettingsVersionForPackage(scannedPkg);
4089        return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER;
4090    }
4091
4092    private int compareSignaturesRecover(PackageSignatures existingSigs,
4093            PackageParser.Package scannedPkg) {
4094        if (!isRecoverSignatureUpdateNeeded(scannedPkg)) {
4095            return PackageManager.SIGNATURE_NO_MATCH;
4096        }
4097
4098        String msg = null;
4099        try {
4100            if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) {
4101                logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for "
4102                        + scannedPkg.packageName);
4103                return PackageManager.SIGNATURE_MATCH;
4104            }
4105        } catch (CertificateException e) {
4106            msg = e.getMessage();
4107        }
4108
4109        logCriticalInfo(Log.INFO,
4110                "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg);
4111        return PackageManager.SIGNATURE_NO_MATCH;
4112    }
4113
4114    @Override
4115    public String[] getPackagesForUid(int uid) {
4116        uid = UserHandle.getAppId(uid);
4117        // reader
4118        synchronized (mPackages) {
4119            Object obj = mSettings.getUserIdLPr(uid);
4120            if (obj instanceof SharedUserSetting) {
4121                final SharedUserSetting sus = (SharedUserSetting) obj;
4122                final int N = sus.packages.size();
4123                final String[] res = new String[N];
4124                final Iterator<PackageSetting> it = sus.packages.iterator();
4125                int i = 0;
4126                while (it.hasNext()) {
4127                    res[i++] = it.next().name;
4128                }
4129                return res;
4130            } else if (obj instanceof PackageSetting) {
4131                final PackageSetting ps = (PackageSetting) obj;
4132                return new String[] { ps.name };
4133            }
4134        }
4135        return null;
4136    }
4137
4138    @Override
4139    public String getNameForUid(int uid) {
4140        // reader
4141        synchronized (mPackages) {
4142            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
4143            if (obj instanceof SharedUserSetting) {
4144                final SharedUserSetting sus = (SharedUserSetting) obj;
4145                return sus.name + ":" + sus.userId;
4146            } else if (obj instanceof PackageSetting) {
4147                final PackageSetting ps = (PackageSetting) obj;
4148                return ps.name;
4149            }
4150        }
4151        return null;
4152    }
4153
4154    @Override
4155    public int getUidForSharedUser(String sharedUserName) {
4156        if(sharedUserName == null) {
4157            return -1;
4158        }
4159        // reader
4160        synchronized (mPackages) {
4161            final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false);
4162            if (suid == null) {
4163                return -1;
4164            }
4165            return suid.userId;
4166        }
4167    }
4168
4169    @Override
4170    public int getFlagsForUid(int uid) {
4171        synchronized (mPackages) {
4172            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
4173            if (obj instanceof SharedUserSetting) {
4174                final SharedUserSetting sus = (SharedUserSetting) obj;
4175                return sus.pkgFlags;
4176            } else if (obj instanceof PackageSetting) {
4177                final PackageSetting ps = (PackageSetting) obj;
4178                return ps.pkgFlags;
4179            }
4180        }
4181        return 0;
4182    }
4183
4184    @Override
4185    public int getPrivateFlagsForUid(int uid) {
4186        synchronized (mPackages) {
4187            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
4188            if (obj instanceof SharedUserSetting) {
4189                final SharedUserSetting sus = (SharedUserSetting) obj;
4190                return sus.pkgPrivateFlags;
4191            } else if (obj instanceof PackageSetting) {
4192                final PackageSetting ps = (PackageSetting) obj;
4193                return ps.pkgPrivateFlags;
4194            }
4195        }
4196        return 0;
4197    }
4198
4199    @Override
4200    public boolean isUidPrivileged(int uid) {
4201        uid = UserHandle.getAppId(uid);
4202        // reader
4203        synchronized (mPackages) {
4204            Object obj = mSettings.getUserIdLPr(uid);
4205            if (obj instanceof SharedUserSetting) {
4206                final SharedUserSetting sus = (SharedUserSetting) obj;
4207                final Iterator<PackageSetting> it = sus.packages.iterator();
4208                while (it.hasNext()) {
4209                    if (it.next().isPrivileged()) {
4210                        return true;
4211                    }
4212                }
4213            } else if (obj instanceof PackageSetting) {
4214                final PackageSetting ps = (PackageSetting) obj;
4215                return ps.isPrivileged();
4216            }
4217        }
4218        return false;
4219    }
4220
4221    @Override
4222    public String[] getAppOpPermissionPackages(String permissionName) {
4223        synchronized (mPackages) {
4224            ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName);
4225            if (pkgs == null) {
4226                return null;
4227            }
4228            return pkgs.toArray(new String[pkgs.size()]);
4229        }
4230    }
4231
4232    @Override
4233    public ResolveInfo resolveIntent(Intent intent, String resolvedType,
4234            int flags, int userId) {
4235        if (!sUserManager.exists(userId)) return null;
4236        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent");
4237        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
4238        return chooseBestActivity(intent, resolvedType, flags, query, userId);
4239    }
4240
4241    @Override
4242    public void setLastChosenActivity(Intent intent, String resolvedType, int flags,
4243            IntentFilter filter, int match, ComponentName activity) {
4244        final int userId = UserHandle.getCallingUserId();
4245        if (DEBUG_PREFERRED) {
4246            Log.v(TAG, "setLastChosenActivity intent=" + intent
4247                + " resolvedType=" + resolvedType
4248                + " flags=" + flags
4249                + " filter=" + filter
4250                + " match=" + match
4251                + " activity=" + activity);
4252            filter.dump(new PrintStreamPrinter(System.out), "    ");
4253        }
4254        intent.setComponent(null);
4255        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
4256        // Find any earlier preferred or last chosen entries and nuke them
4257        findPreferredActivity(intent, resolvedType,
4258                flags, query, 0, false, true, false, userId);
4259        // Add the new activity as the last chosen for this filter
4260        addPreferredActivityInternal(filter, match, null, activity, false, userId,
4261                "Setting last chosen");
4262    }
4263
4264    @Override
4265    public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) {
4266        final int userId = UserHandle.getCallingUserId();
4267        if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent);
4268        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
4269        return findPreferredActivity(intent, resolvedType, flags, query, 0,
4270                false, false, false, userId);
4271    }
4272
4273    private ResolveInfo chooseBestActivity(Intent intent, String resolvedType,
4274            int flags, List<ResolveInfo> query, int userId) {
4275        if (query != null) {
4276            final int N = query.size();
4277            if (N == 1) {
4278                return query.get(0);
4279            } else if (N > 1) {
4280                final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0);
4281                // If there is more than one activity with the same priority,
4282                // then let the user decide between them.
4283                ResolveInfo r0 = query.get(0);
4284                ResolveInfo r1 = query.get(1);
4285                if (DEBUG_INTENT_MATCHING || debug) {
4286                    Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs "
4287                            + r1.activityInfo.name + "=" + r1.priority);
4288                }
4289                // If the first activity has a higher priority, or a different
4290                // default, then it is always desireable to pick it.
4291                if (r0.priority != r1.priority
4292                        || r0.preferredOrder != r1.preferredOrder
4293                        || r0.isDefault != r1.isDefault) {
4294                    return query.get(0);
4295                }
4296                // If we have saved a preference for a preferred activity for
4297                // this Intent, use that.
4298                ResolveInfo ri = findPreferredActivity(intent, resolvedType,
4299                        flags, query, r0.priority, true, false, debug, userId);
4300                if (ri != null) {
4301                    return ri;
4302                }
4303                ri = new ResolveInfo(mResolveInfo);
4304                ri.activityInfo = new ActivityInfo(ri.activityInfo);
4305                ri.activityInfo.applicationInfo = new ApplicationInfo(
4306                        ri.activityInfo.applicationInfo);
4307                if (userId != 0) {
4308                    ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId,
4309                            UserHandle.getAppId(ri.activityInfo.applicationInfo.uid));
4310                }
4311                // Make sure that the resolver is displayable in car mode
4312                if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle();
4313                ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true);
4314                return ri;
4315            }
4316        }
4317        return null;
4318    }
4319
4320    private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType,
4321            int flags, List<ResolveInfo> query, boolean debug, int userId) {
4322        final int N = query.size();
4323        PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
4324                .get(userId);
4325        // Get the list of persistent preferred activities that handle the intent
4326        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities...");
4327        List<PersistentPreferredActivity> pprefs = ppir != null
4328                ? ppir.queryIntent(intent, resolvedType,
4329                        (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
4330                : null;
4331        if (pprefs != null && pprefs.size() > 0) {
4332            final int M = pprefs.size();
4333            for (int i=0; i<M; i++) {
4334                final PersistentPreferredActivity ppa = pprefs.get(i);
4335                if (DEBUG_PREFERRED || debug) {
4336                    Slog.v(TAG, "Checking PersistentPreferredActivity ds="
4337                            + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>")
4338                            + "\n  component=" + ppa.mComponent);
4339                    ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
4340                }
4341                final ActivityInfo ai = getActivityInfo(ppa.mComponent,
4342                        flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
4343                if (DEBUG_PREFERRED || debug) {
4344                    Slog.v(TAG, "Found persistent preferred activity:");
4345                    if (ai != null) {
4346                        ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
4347                    } else {
4348                        Slog.v(TAG, "  null");
4349                    }
4350                }
4351                if (ai == null) {
4352                    // This previously registered persistent preferred activity
4353                    // component is no longer known. Ignore it and do NOT remove it.
4354                    continue;
4355                }
4356                for (int j=0; j<N; j++) {
4357                    final ResolveInfo ri = query.get(j);
4358                    if (!ri.activityInfo.applicationInfo.packageName
4359                            .equals(ai.applicationInfo.packageName)) {
4360                        continue;
4361                    }
4362                    if (!ri.activityInfo.name.equals(ai.name)) {
4363                        continue;
4364                    }
4365                    //  Found a persistent preference that can handle the intent.
4366                    if (DEBUG_PREFERRED || debug) {
4367                        Slog.v(TAG, "Returning persistent preferred activity: " +
4368                                ri.activityInfo.packageName + "/" + ri.activityInfo.name);
4369                    }
4370                    return ri;
4371                }
4372            }
4373        }
4374        return null;
4375    }
4376
4377    ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags,
4378            List<ResolveInfo> query, int priority, boolean always,
4379            boolean removeMatches, boolean debug, int userId) {
4380        if (!sUserManager.exists(userId)) return null;
4381        // writer
4382        synchronized (mPackages) {
4383            if (intent.getSelector() != null) {
4384                intent = intent.getSelector();
4385            }
4386            if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION);
4387
4388            // Try to find a matching persistent preferred activity.
4389            ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query,
4390                    debug, userId);
4391
4392            // If a persistent preferred activity matched, use it.
4393            if (pri != null) {
4394                return pri;
4395            }
4396
4397            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
4398            // Get the list of preferred activities that handle the intent
4399            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities...");
4400            List<PreferredActivity> prefs = pir != null
4401                    ? pir.queryIntent(intent, resolvedType,
4402                            (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
4403                    : null;
4404            if (prefs != null && prefs.size() > 0) {
4405                boolean changed = false;
4406                try {
4407                    // First figure out how good the original match set is.
4408                    // We will only allow preferred activities that came
4409                    // from the same match quality.
4410                    int match = 0;
4411
4412                    if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match...");
4413
4414                    final int N = query.size();
4415                    for (int j=0; j<N; j++) {
4416                        final ResolveInfo ri = query.get(j);
4417                        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo
4418                                + ": 0x" + Integer.toHexString(match));
4419                        if (ri.match > match) {
4420                            match = ri.match;
4421                        }
4422                    }
4423
4424                    if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x"
4425                            + Integer.toHexString(match));
4426
4427                    match &= IntentFilter.MATCH_CATEGORY_MASK;
4428                    final int M = prefs.size();
4429                    for (int i=0; i<M; i++) {
4430                        final PreferredActivity pa = prefs.get(i);
4431                        if (DEBUG_PREFERRED || debug) {
4432                            Slog.v(TAG, "Checking PreferredActivity ds="
4433                                    + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>")
4434                                    + "\n  component=" + pa.mPref.mComponent);
4435                            pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
4436                        }
4437                        if (pa.mPref.mMatch != match) {
4438                            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match "
4439                                    + Integer.toHexString(pa.mPref.mMatch));
4440                            continue;
4441                        }
4442                        // If it's not an "always" type preferred activity and that's what we're
4443                        // looking for, skip it.
4444                        if (always && !pa.mPref.mAlways) {
4445                            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry");
4446                            continue;
4447                        }
4448                        final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent,
4449                                flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
4450                        if (DEBUG_PREFERRED || debug) {
4451                            Slog.v(TAG, "Found preferred activity:");
4452                            if (ai != null) {
4453                                ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
4454                            } else {
4455                                Slog.v(TAG, "  null");
4456                            }
4457                        }
4458                        if (ai == null) {
4459                            // This previously registered preferred activity
4460                            // component is no longer known.  Most likely an update
4461                            // to the app was installed and in the new version this
4462                            // component no longer exists.  Clean it up by removing
4463                            // it from the preferred activities list, and skip it.
4464                            Slog.w(TAG, "Removing dangling preferred activity: "
4465                                    + pa.mPref.mComponent);
4466                            pir.removeFilter(pa);
4467                            changed = true;
4468                            continue;
4469                        }
4470                        for (int j=0; j<N; j++) {
4471                            final ResolveInfo ri = query.get(j);
4472                            if (!ri.activityInfo.applicationInfo.packageName
4473                                    .equals(ai.applicationInfo.packageName)) {
4474                                continue;
4475                            }
4476                            if (!ri.activityInfo.name.equals(ai.name)) {
4477                                continue;
4478                            }
4479
4480                            if (removeMatches) {
4481                                pir.removeFilter(pa);
4482                                changed = true;
4483                                if (DEBUG_PREFERRED) {
4484                                    Slog.v(TAG, "Removing match " + pa.mPref.mComponent);
4485                                }
4486                                break;
4487                            }
4488
4489                            // Okay we found a previously set preferred or last chosen app.
4490                            // If the result set is different from when this
4491                            // was created, we need to clear it and re-ask the
4492                            // user their preference, if we're looking for an "always" type entry.
4493                            if (always && !pa.mPref.sameSet(query)) {
4494                                Slog.i(TAG, "Result set changed, dropping preferred activity for "
4495                                        + intent + " type " + resolvedType);
4496                                if (DEBUG_PREFERRED) {
4497                                    Slog.v(TAG, "Removing preferred activity since set changed "
4498                                            + pa.mPref.mComponent);
4499                                }
4500                                pir.removeFilter(pa);
4501                                // Re-add the filter as a "last chosen" entry (!always)
4502                                PreferredActivity lastChosen = new PreferredActivity(
4503                                        pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false);
4504                                pir.addFilter(lastChosen);
4505                                changed = true;
4506                                return null;
4507                            }
4508
4509                            // Yay! Either the set matched or we're looking for the last chosen
4510                            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: "
4511                                    + ri.activityInfo.packageName + "/" + ri.activityInfo.name);
4512                            return ri;
4513                        }
4514                    }
4515                } finally {
4516                    if (changed) {
4517                        if (DEBUG_PREFERRED) {
4518                            Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions");
4519                        }
4520                        scheduleWritePackageRestrictionsLocked(userId);
4521                    }
4522                }
4523            }
4524        }
4525        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return");
4526        return null;
4527    }
4528
4529    /*
4530     * Returns if intent can be forwarded from the sourceUserId to the targetUserId
4531     */
4532    @Override
4533    public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId,
4534            int targetUserId) {
4535        mContext.enforceCallingOrSelfPermission(
4536                android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
4537        List<CrossProfileIntentFilter> matches =
4538                getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId);
4539        if (matches != null) {
4540            int size = matches.size();
4541            for (int i = 0; i < size; i++) {
4542                if (matches.get(i).getTargetUserId() == targetUserId) return true;
4543            }
4544        }
4545        if (hasWebURI(intent)) {
4546            // cross-profile app linking works only towards the parent.
4547            final UserInfo parent = getProfileParent(sourceUserId);
4548            synchronized(mPackages) {
4549                CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr(
4550                        intent, resolvedType, 0, sourceUserId, parent.id);
4551                return xpDomainInfo != null;
4552            }
4553        }
4554        return false;
4555    }
4556
4557    private UserInfo getProfileParent(int userId) {
4558        final long identity = Binder.clearCallingIdentity();
4559        try {
4560            return sUserManager.getProfileParent(userId);
4561        } finally {
4562            Binder.restoreCallingIdentity(identity);
4563        }
4564    }
4565
4566    private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent,
4567            String resolvedType, int userId) {
4568        CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId);
4569        if (resolver != null) {
4570            return resolver.queryIntent(intent, resolvedType, false, userId);
4571        }
4572        return null;
4573    }
4574
4575    @Override
4576    public List<ResolveInfo> queryIntentActivities(Intent intent,
4577            String resolvedType, int flags, int userId) {
4578        if (!sUserManager.exists(userId)) return Collections.emptyList();
4579        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities");
4580        ComponentName comp = intent.getComponent();
4581        if (comp == null) {
4582            if (intent.getSelector() != null) {
4583                intent = intent.getSelector();
4584                comp = intent.getComponent();
4585            }
4586        }
4587
4588        if (comp != null) {
4589            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
4590            final ActivityInfo ai = getActivityInfo(comp, flags, userId);
4591            if (ai != null) {
4592                final ResolveInfo ri = new ResolveInfo();
4593                ri.activityInfo = ai;
4594                list.add(ri);
4595            }
4596            return list;
4597        }
4598
4599        // reader
4600        synchronized (mPackages) {
4601            final String pkgName = intent.getPackage();
4602            if (pkgName == null) {
4603                List<CrossProfileIntentFilter> matchingFilters =
4604                        getMatchingCrossProfileIntentFilters(intent, resolvedType, userId);
4605                // Check for results that need to skip the current profile.
4606                ResolveInfo xpResolveInfo  = querySkipCurrentProfileIntents(matchingFilters, intent,
4607                        resolvedType, flags, userId);
4608                if (xpResolveInfo != null) {
4609                    List<ResolveInfo> result = new ArrayList<ResolveInfo>(1);
4610                    result.add(xpResolveInfo);
4611                    return filterIfNotSystemUser(result, userId);
4612                }
4613
4614                // Check for results in the current profile.
4615                List<ResolveInfo> result = mActivities.queryIntent(
4616                        intent, resolvedType, flags, userId);
4617
4618                // Check for cross profile results.
4619                xpResolveInfo = queryCrossProfileIntents(
4620                        matchingFilters, intent, resolvedType, flags, userId);
4621                if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) {
4622                    result.add(xpResolveInfo);
4623                    Collections.sort(result, mResolvePrioritySorter);
4624                }
4625                result = filterIfNotSystemUser(result, userId);
4626                if (hasWebURI(intent)) {
4627                    CrossProfileDomainInfo xpDomainInfo = null;
4628                    final UserInfo parent = getProfileParent(userId);
4629                    if (parent != null) {
4630                        xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType,
4631                                flags, userId, parent.id);
4632                    }
4633                    if (xpDomainInfo != null) {
4634                        if (xpResolveInfo != null) {
4635                            // If we didn't remove it, the cross-profile ResolveInfo would be twice
4636                            // in the result.
4637                            result.remove(xpResolveInfo);
4638                        }
4639                        if (result.size() == 0) {
4640                            result.add(xpDomainInfo.resolveInfo);
4641                            return result;
4642                        }
4643                    } else if (result.size() <= 1) {
4644                        return result;
4645                    }
4646                    result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result,
4647                            xpDomainInfo, userId);
4648                    Collections.sort(result, mResolvePrioritySorter);
4649                }
4650                return result;
4651            }
4652            final PackageParser.Package pkg = mPackages.get(pkgName);
4653            if (pkg != null) {
4654                return filterIfNotSystemUser(
4655                        mActivities.queryIntentForPackage(
4656                                intent, resolvedType, flags, pkg.activities, userId),
4657                        userId);
4658            }
4659            return new ArrayList<ResolveInfo>();
4660        }
4661    }
4662
4663    private static class CrossProfileDomainInfo {
4664        /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */
4665        ResolveInfo resolveInfo;
4666        /* Best domain verification status of the activities found in the other profile */
4667        int bestDomainVerificationStatus;
4668    }
4669
4670    private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent,
4671            String resolvedType, int flags, int sourceUserId, int parentUserId) {
4672        if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING,
4673                sourceUserId)) {
4674            return null;
4675        }
4676        List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent,
4677                resolvedType, flags, parentUserId);
4678
4679        if (resultTargetUser == null || resultTargetUser.isEmpty()) {
4680            return null;
4681        }
4682        CrossProfileDomainInfo result = null;
4683        int size = resultTargetUser.size();
4684        for (int i = 0; i < size; i++) {
4685            ResolveInfo riTargetUser = resultTargetUser.get(i);
4686            // Intent filter verification is only for filters that specify a host. So don't return
4687            // those that handle all web uris.
4688            if (riTargetUser.handleAllWebDataURI) {
4689                continue;
4690            }
4691            String packageName = riTargetUser.activityInfo.packageName;
4692            PackageSetting ps = mSettings.mPackages.get(packageName);
4693            if (ps == null) {
4694                continue;
4695            }
4696            long verificationState = getDomainVerificationStatusLPr(ps, parentUserId);
4697            int status = (int)(verificationState >> 32);
4698            if (result == null) {
4699                result = new CrossProfileDomainInfo();
4700                result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(),
4701                        sourceUserId, parentUserId);
4702                result.bestDomainVerificationStatus = status;
4703            } else {
4704                result.bestDomainVerificationStatus = bestDomainVerificationStatus(status,
4705                        result.bestDomainVerificationStatus);
4706            }
4707        }
4708        // Don't consider matches with status NEVER across profiles.
4709        if (result != null && result.bestDomainVerificationStatus
4710                == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) {
4711            return null;
4712        }
4713        return result;
4714    }
4715
4716    /**
4717     * Verification statuses are ordered from the worse to the best, except for
4718     * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse.
4719     */
4720    private int bestDomainVerificationStatus(int status1, int status2) {
4721        if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) {
4722            return status2;
4723        }
4724        if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) {
4725            return status1;
4726        }
4727        return (int) MathUtils.max(status1, status2);
4728    }
4729
4730    private boolean isUserEnabled(int userId) {
4731        long callingId = Binder.clearCallingIdentity();
4732        try {
4733            UserInfo userInfo = sUserManager.getUserInfo(userId);
4734            return userInfo != null && userInfo.isEnabled();
4735        } finally {
4736            Binder.restoreCallingIdentity(callingId);
4737        }
4738    }
4739
4740    /**
4741     * Filter out activities with systemUserOnly flag set, when current user is not System.
4742     *
4743     * @return filtered list
4744     */
4745    private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) {
4746        if (userId == UserHandle.USER_SYSTEM) {
4747            return resolveInfos;
4748        }
4749        for (int i = resolveInfos.size() - 1; i >= 0; i--) {
4750            ResolveInfo info = resolveInfos.get(i);
4751            if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) {
4752                resolveInfos.remove(i);
4753            }
4754        }
4755        return resolveInfos;
4756    }
4757
4758    private static boolean hasWebURI(Intent intent) {
4759        if (intent.getData() == null) {
4760            return false;
4761        }
4762        final String scheme = intent.getScheme();
4763        if (TextUtils.isEmpty(scheme)) {
4764            return false;
4765        }
4766        return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS);
4767    }
4768
4769    private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent,
4770            int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo,
4771            int userId) {
4772        final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0;
4773
4774        if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) {
4775            Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " +
4776                    candidates.size());
4777        }
4778
4779        ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>();
4780        ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>();
4781        ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>();
4782        ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>();
4783        ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>();
4784        ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>();
4785
4786        synchronized (mPackages) {
4787            final int count = candidates.size();
4788            // First, try to use linked apps. Partition the candidates into four lists:
4789            // one for the final results, one for the "do not use ever", one for "undefined status"
4790            // and finally one for "browser app type".
4791            for (int n=0; n<count; n++) {
4792                ResolveInfo info = candidates.get(n);
4793                String packageName = info.activityInfo.packageName;
4794                PackageSetting ps = mSettings.mPackages.get(packageName);
4795                if (ps != null) {
4796                    // Add to the special match all list (Browser use case)
4797                    if (info.handleAllWebDataURI) {
4798                        matchAllList.add(info);
4799                        continue;
4800                    }
4801                    // Try to get the status from User settings first
4802                    long packedStatus = getDomainVerificationStatusLPr(ps, userId);
4803                    int status = (int)(packedStatus >> 32);
4804                    int linkGeneration = (int)(packedStatus & 0xFFFFFFFF);
4805                    if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) {
4806                        if (DEBUG_DOMAIN_VERIFICATION) {
4807                            Slog.i(TAG, "  + always: " + info.activityInfo.packageName
4808                                    + " : linkgen=" + linkGeneration);
4809                        }
4810                        // Use link-enabled generation as preferredOrder, i.e.
4811                        // prefer newly-enabled over earlier-enabled.
4812                        info.preferredOrder = linkGeneration;
4813                        alwaysList.add(info);
4814                    } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) {
4815                        if (DEBUG_DOMAIN_VERIFICATION) {
4816                            Slog.i(TAG, "  + never: " + info.activityInfo.packageName);
4817                        }
4818                        neverList.add(info);
4819                    } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) {
4820                        if (DEBUG_DOMAIN_VERIFICATION) {
4821                            Slog.i(TAG, "  + always-ask: " + info.activityInfo.packageName);
4822                        }
4823                        alwaysAskList.add(info);
4824                    } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED ||
4825                            status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) {
4826                        if (DEBUG_DOMAIN_VERIFICATION) {
4827                            Slog.i(TAG, "  + ask: " + info.activityInfo.packageName);
4828                        }
4829                        undefinedList.add(info);
4830                    }
4831                }
4832            }
4833
4834            // We'll want to include browser possibilities in a few cases
4835            boolean includeBrowser = false;
4836
4837            // First try to add the "always" resolution(s) for the current user, if any
4838            if (alwaysList.size() > 0) {
4839                result.addAll(alwaysList);
4840            } else {
4841                // Add all undefined apps as we want them to appear in the disambiguation dialog.
4842                result.addAll(undefinedList);
4843                // Maybe add one for the other profile.
4844                if (xpDomainInfo != null && (
4845                        xpDomainInfo.bestDomainVerificationStatus
4846                        != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) {
4847                    result.add(xpDomainInfo.resolveInfo);
4848                }
4849                includeBrowser = true;
4850            }
4851
4852            // The presence of any 'always ask' alternatives means we'll also offer browsers.
4853            // If there were 'always' entries their preferred order has been set, so we also
4854            // back that off to make the alternatives equivalent
4855            if (alwaysAskList.size() > 0) {
4856                for (ResolveInfo i : result) {
4857                    i.preferredOrder = 0;
4858                }
4859                result.addAll(alwaysAskList);
4860                includeBrowser = true;
4861            }
4862
4863            if (includeBrowser) {
4864                // Also add browsers (all of them or only the default one)
4865                if (DEBUG_DOMAIN_VERIFICATION) {
4866                    Slog.v(TAG, "   ...including browsers in candidate set");
4867                }
4868                if ((matchFlags & MATCH_ALL) != 0) {
4869                    result.addAll(matchAllList);
4870                } else {
4871                    // Browser/generic handling case.  If there's a default browser, go straight
4872                    // to that (but only if there is no other higher-priority match).
4873                    final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId);
4874                    int maxMatchPrio = 0;
4875                    ResolveInfo defaultBrowserMatch = null;
4876                    final int numCandidates = matchAllList.size();
4877                    for (int n = 0; n < numCandidates; n++) {
4878                        ResolveInfo info = matchAllList.get(n);
4879                        // track the highest overall match priority...
4880                        if (info.priority > maxMatchPrio) {
4881                            maxMatchPrio = info.priority;
4882                        }
4883                        // ...and the highest-priority default browser match
4884                        if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) {
4885                            if (defaultBrowserMatch == null
4886                                    || (defaultBrowserMatch.priority < info.priority)) {
4887                                if (debug) {
4888                                    Slog.v(TAG, "Considering default browser match " + info);
4889                                }
4890                                defaultBrowserMatch = info;
4891                            }
4892                        }
4893                    }
4894                    if (defaultBrowserMatch != null
4895                            && defaultBrowserMatch.priority >= maxMatchPrio
4896                            && !TextUtils.isEmpty(defaultBrowserPackageName))
4897                    {
4898                        if (debug) {
4899                            Slog.v(TAG, "Default browser match " + defaultBrowserMatch);
4900                        }
4901                        result.add(defaultBrowserMatch);
4902                    } else {
4903                        result.addAll(matchAllList);
4904                    }
4905                }
4906
4907                // If there is nothing selected, add all candidates and remove the ones that the user
4908                // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state
4909                if (result.size() == 0) {
4910                    result.addAll(candidates);
4911                    result.removeAll(neverList);
4912                }
4913            }
4914        }
4915        if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) {
4916            Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " +
4917                    result.size());
4918            for (ResolveInfo info : result) {
4919                Slog.v(TAG, "  + " + info.activityInfo);
4920            }
4921        }
4922        return result;
4923    }
4924
4925    // Returns a packed value as a long:
4926    //
4927    // high 'int'-sized word: link status: undefined/ask/never/always.
4928    // low 'int'-sized word: relative priority among 'always' results.
4929    private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) {
4930        long result = ps.getDomainVerificationStatusForUser(userId);
4931        // if none available, get the master status
4932        if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) {
4933            if (ps.getIntentFilterVerificationInfo() != null) {
4934                result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32;
4935            }
4936        }
4937        return result;
4938    }
4939
4940    private ResolveInfo querySkipCurrentProfileIntents(
4941            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
4942            int flags, int sourceUserId) {
4943        if (matchingFilters != null) {
4944            int size = matchingFilters.size();
4945            for (int i = 0; i < size; i ++) {
4946                CrossProfileIntentFilter filter = matchingFilters.get(i);
4947                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) {
4948                    // Checking if there are activities in the target user that can handle the
4949                    // intent.
4950                    ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent,
4951                            resolvedType, flags, sourceUserId);
4952                    if (resolveInfo != null) {
4953                        return resolveInfo;
4954                    }
4955                }
4956            }
4957        }
4958        return null;
4959    }
4960
4961    // Return matching ResolveInfo if any for skip current profile intent filters.
4962    private ResolveInfo queryCrossProfileIntents(
4963            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
4964            int flags, int sourceUserId) {
4965        if (matchingFilters != null) {
4966            // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and
4967            // match the same intent. For performance reasons, it is better not to
4968            // run queryIntent twice for the same userId
4969            SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray();
4970            int size = matchingFilters.size();
4971            for (int i = 0; i < size; i++) {
4972                CrossProfileIntentFilter filter = matchingFilters.get(i);
4973                int targetUserId = filter.getTargetUserId();
4974                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0
4975                        && !alreadyTriedUserIds.get(targetUserId)) {
4976                    // Checking if there are activities in the target user that can handle the
4977                    // intent.
4978                    ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent,
4979                            resolvedType, flags, sourceUserId);
4980                    if (resolveInfo != null) return resolveInfo;
4981                    alreadyTriedUserIds.put(targetUserId, true);
4982                }
4983            }
4984        }
4985        return null;
4986    }
4987
4988    /**
4989     * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that
4990     * will forward the intent to the filter's target user.
4991     * Otherwise, returns null.
4992     */
4993    private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent,
4994            String resolvedType, int flags, int sourceUserId) {
4995        int targetUserId = filter.getTargetUserId();
4996        List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent,
4997                resolvedType, flags, targetUserId);
4998        if (resultTargetUser != null && !resultTargetUser.isEmpty()
4999                && isUserEnabled(targetUserId)) {
5000            return createForwardingResolveInfoUnchecked(filter, sourceUserId, targetUserId);
5001        }
5002        return null;
5003    }
5004
5005    private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter,
5006            int sourceUserId, int targetUserId) {
5007        ResolveInfo forwardingResolveInfo = new ResolveInfo();
5008        long ident = Binder.clearCallingIdentity();
5009        boolean targetIsProfile;
5010        try {
5011            targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile();
5012        } finally {
5013            Binder.restoreCallingIdentity(ident);
5014        }
5015        String className;
5016        if (targetIsProfile) {
5017            className = FORWARD_INTENT_TO_MANAGED_PROFILE;
5018        } else {
5019            className = FORWARD_INTENT_TO_PARENT;
5020        }
5021        ComponentName forwardingActivityComponentName = new ComponentName(
5022                mAndroidApplication.packageName, className);
5023        ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0,
5024                sourceUserId);
5025        if (!targetIsProfile) {
5026            forwardingActivityInfo.showUserIcon = targetUserId;
5027            forwardingResolveInfo.noResourceId = true;
5028        }
5029        forwardingResolveInfo.activityInfo = forwardingActivityInfo;
5030        forwardingResolveInfo.priority = 0;
5031        forwardingResolveInfo.preferredOrder = 0;
5032        forwardingResolveInfo.match = 0;
5033        forwardingResolveInfo.isDefault = true;
5034        forwardingResolveInfo.filter = filter;
5035        forwardingResolveInfo.targetUserId = targetUserId;
5036        return forwardingResolveInfo;
5037    }
5038
5039    @Override
5040    public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller,
5041            Intent[] specifics, String[] specificTypes, Intent intent,
5042            String resolvedType, int flags, int userId) {
5043        if (!sUserManager.exists(userId)) return Collections.emptyList();
5044        enforceCrossUserPermission(Binder.getCallingUid(), userId, false,
5045                false, "query intent activity options");
5046        final String resultsAction = intent.getAction();
5047
5048        List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags
5049                | PackageManager.GET_RESOLVED_FILTER, userId);
5050
5051        if (DEBUG_INTENT_MATCHING) {
5052            Log.v(TAG, "Query " + intent + ": " + results);
5053        }
5054
5055        int specificsPos = 0;
5056        int N;
5057
5058        // todo: note that the algorithm used here is O(N^2).  This
5059        // isn't a problem in our current environment, but if we start running
5060        // into situations where we have more than 5 or 10 matches then this
5061        // should probably be changed to something smarter...
5062
5063        // First we go through and resolve each of the specific items
5064        // that were supplied, taking care of removing any corresponding
5065        // duplicate items in the generic resolve list.
5066        if (specifics != null) {
5067            for (int i=0; i<specifics.length; i++) {
5068                final Intent sintent = specifics[i];
5069                if (sintent == null) {
5070                    continue;
5071                }
5072
5073                if (DEBUG_INTENT_MATCHING) {
5074                    Log.v(TAG, "Specific #" + i + ": " + sintent);
5075                }
5076
5077                String action = sintent.getAction();
5078                if (resultsAction != null && resultsAction.equals(action)) {
5079                    // If this action was explicitly requested, then don't
5080                    // remove things that have it.
5081                    action = null;
5082                }
5083
5084                ResolveInfo ri = null;
5085                ActivityInfo ai = null;
5086
5087                ComponentName comp = sintent.getComponent();
5088                if (comp == null) {
5089                    ri = resolveIntent(
5090                        sintent,
5091                        specificTypes != null ? specificTypes[i] : null,
5092                            flags, userId);
5093                    if (ri == null) {
5094                        continue;
5095                    }
5096                    if (ri == mResolveInfo) {
5097                        // ACK!  Must do something better with this.
5098                    }
5099                    ai = ri.activityInfo;
5100                    comp = new ComponentName(ai.applicationInfo.packageName,
5101                            ai.name);
5102                } else {
5103                    ai = getActivityInfo(comp, flags, userId);
5104                    if (ai == null) {
5105                        continue;
5106                    }
5107                }
5108
5109                // Look for any generic query activities that are duplicates
5110                // of this specific one, and remove them from the results.
5111                if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai);
5112                N = results.size();
5113                int j;
5114                for (j=specificsPos; j<N; j++) {
5115                    ResolveInfo sri = results.get(j);
5116                    if ((sri.activityInfo.name.equals(comp.getClassName())
5117                            && sri.activityInfo.applicationInfo.packageName.equals(
5118                                    comp.getPackageName()))
5119                        || (action != null && sri.filter.matchAction(action))) {
5120                        results.remove(j);
5121                        if (DEBUG_INTENT_MATCHING) Log.v(
5122                            TAG, "Removing duplicate item from " + j
5123                            + " due to specific " + specificsPos);
5124                        if (ri == null) {
5125                            ri = sri;
5126                        }
5127                        j--;
5128                        N--;
5129                    }
5130                }
5131
5132                // Add this specific item to its proper place.
5133                if (ri == null) {
5134                    ri = new ResolveInfo();
5135                    ri.activityInfo = ai;
5136                }
5137                results.add(specificsPos, ri);
5138                ri.specificIndex = i;
5139                specificsPos++;
5140            }
5141        }
5142
5143        // Now we go through the remaining generic results and remove any
5144        // duplicate actions that are found here.
5145        N = results.size();
5146        for (int i=specificsPos; i<N-1; i++) {
5147            final ResolveInfo rii = results.get(i);
5148            if (rii.filter == null) {
5149                continue;
5150            }
5151
5152            // Iterate over all of the actions of this result's intent
5153            // filter...  typically this should be just one.
5154            final Iterator<String> it = rii.filter.actionsIterator();
5155            if (it == null) {
5156                continue;
5157            }
5158            while (it.hasNext()) {
5159                final String action = it.next();
5160                if (resultsAction != null && resultsAction.equals(action)) {
5161                    // If this action was explicitly requested, then don't
5162                    // remove things that have it.
5163                    continue;
5164                }
5165                for (int j=i+1; j<N; j++) {
5166                    final ResolveInfo rij = results.get(j);
5167                    if (rij.filter != null && rij.filter.hasAction(action)) {
5168                        results.remove(j);
5169                        if (DEBUG_INTENT_MATCHING) Log.v(
5170                            TAG, "Removing duplicate item from " + j
5171                            + " due to action " + action + " at " + i);
5172                        j--;
5173                        N--;
5174                    }
5175                }
5176            }
5177
5178            // If the caller didn't request filter information, drop it now
5179            // so we don't have to marshall/unmarshall it.
5180            if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
5181                rii.filter = null;
5182            }
5183        }
5184
5185        // Filter out the caller activity if so requested.
5186        if (caller != null) {
5187            N = results.size();
5188            for (int i=0; i<N; i++) {
5189                ActivityInfo ainfo = results.get(i).activityInfo;
5190                if (caller.getPackageName().equals(ainfo.applicationInfo.packageName)
5191                        && caller.getClassName().equals(ainfo.name)) {
5192                    results.remove(i);
5193                    break;
5194                }
5195            }
5196        }
5197
5198        // If the caller didn't request filter information,
5199        // drop them now so we don't have to
5200        // marshall/unmarshall it.
5201        if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
5202            N = results.size();
5203            for (int i=0; i<N; i++) {
5204                results.get(i).filter = null;
5205            }
5206        }
5207
5208        if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results);
5209        return results;
5210    }
5211
5212    @Override
5213    public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags,
5214            int userId) {
5215        if (!sUserManager.exists(userId)) return Collections.emptyList();
5216        ComponentName comp = intent.getComponent();
5217        if (comp == null) {
5218            if (intent.getSelector() != null) {
5219                intent = intent.getSelector();
5220                comp = intent.getComponent();
5221            }
5222        }
5223        if (comp != null) {
5224            List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
5225            ActivityInfo ai = getReceiverInfo(comp, flags, userId);
5226            if (ai != null) {
5227                ResolveInfo ri = new ResolveInfo();
5228                ri.activityInfo = ai;
5229                list.add(ri);
5230            }
5231            return list;
5232        }
5233
5234        // reader
5235        synchronized (mPackages) {
5236            String pkgName = intent.getPackage();
5237            if (pkgName == null) {
5238                return mReceivers.queryIntent(intent, resolvedType, flags, userId);
5239            }
5240            final PackageParser.Package pkg = mPackages.get(pkgName);
5241            if (pkg != null) {
5242                return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers,
5243                        userId);
5244            }
5245            return null;
5246        }
5247    }
5248
5249    @Override
5250    public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) {
5251        List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId);
5252        if (!sUserManager.exists(userId)) return null;
5253        if (query != null) {
5254            if (query.size() >= 1) {
5255                // If there is more than one service with the same priority,
5256                // just arbitrarily pick the first one.
5257                return query.get(0);
5258            }
5259        }
5260        return null;
5261    }
5262
5263    @Override
5264    public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags,
5265            int userId) {
5266        if (!sUserManager.exists(userId)) return Collections.emptyList();
5267        ComponentName comp = intent.getComponent();
5268        if (comp == null) {
5269            if (intent.getSelector() != null) {
5270                intent = intent.getSelector();
5271                comp = intent.getComponent();
5272            }
5273        }
5274        if (comp != null) {
5275            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
5276            final ServiceInfo si = getServiceInfo(comp, flags, userId);
5277            if (si != null) {
5278                final ResolveInfo ri = new ResolveInfo();
5279                ri.serviceInfo = si;
5280                list.add(ri);
5281            }
5282            return list;
5283        }
5284
5285        // reader
5286        synchronized (mPackages) {
5287            String pkgName = intent.getPackage();
5288            if (pkgName == null) {
5289                return mServices.queryIntent(intent, resolvedType, flags, userId);
5290            }
5291            final PackageParser.Package pkg = mPackages.get(pkgName);
5292            if (pkg != null) {
5293                return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services,
5294                        userId);
5295            }
5296            return null;
5297        }
5298    }
5299
5300    @Override
5301    public List<ResolveInfo> queryIntentContentProviders(
5302            Intent intent, String resolvedType, int flags, int userId) {
5303        if (!sUserManager.exists(userId)) return Collections.emptyList();
5304        ComponentName comp = intent.getComponent();
5305        if (comp == null) {
5306            if (intent.getSelector() != null) {
5307                intent = intent.getSelector();
5308                comp = intent.getComponent();
5309            }
5310        }
5311        if (comp != null) {
5312            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
5313            final ProviderInfo pi = getProviderInfo(comp, flags, userId);
5314            if (pi != null) {
5315                final ResolveInfo ri = new ResolveInfo();
5316                ri.providerInfo = pi;
5317                list.add(ri);
5318            }
5319            return list;
5320        }
5321
5322        // reader
5323        synchronized (mPackages) {
5324            String pkgName = intent.getPackage();
5325            if (pkgName == null) {
5326                return mProviders.queryIntent(intent, resolvedType, flags, userId);
5327            }
5328            final PackageParser.Package pkg = mPackages.get(pkgName);
5329            if (pkg != null) {
5330                return mProviders.queryIntentForPackage(
5331                        intent, resolvedType, flags, pkg.providers, userId);
5332            }
5333            return null;
5334        }
5335    }
5336
5337    @Override
5338    public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) {
5339        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
5340
5341        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages");
5342
5343        // writer
5344        synchronized (mPackages) {
5345            ArrayList<PackageInfo> list;
5346            if (listUninstalled) {
5347                list = new ArrayList<PackageInfo>(mSettings.mPackages.size());
5348                for (PackageSetting ps : mSettings.mPackages.values()) {
5349                    PackageInfo pi;
5350                    if (ps.pkg != null) {
5351                        pi = generatePackageInfo(ps.pkg, flags, userId);
5352                    } else {
5353                        pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
5354                    }
5355                    if (pi != null) {
5356                        list.add(pi);
5357                    }
5358                }
5359            } else {
5360                list = new ArrayList<PackageInfo>(mPackages.size());
5361                for (PackageParser.Package p : mPackages.values()) {
5362                    PackageInfo pi = generatePackageInfo(p, flags, userId);
5363                    if (pi != null) {
5364                        list.add(pi);
5365                    }
5366                }
5367            }
5368
5369            return new ParceledListSlice<PackageInfo>(list);
5370        }
5371    }
5372
5373    private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps,
5374            String[] permissions, boolean[] tmp, int flags, int userId) {
5375        int numMatch = 0;
5376        final PermissionsState permissionsState = ps.getPermissionsState();
5377        for (int i=0; i<permissions.length; i++) {
5378            final String permission = permissions[i];
5379            if (permissionsState.hasPermission(permission, userId)) {
5380                tmp[i] = true;
5381                numMatch++;
5382            } else {
5383                tmp[i] = false;
5384            }
5385        }
5386        if (numMatch == 0) {
5387            return;
5388        }
5389        PackageInfo pi;
5390        if (ps.pkg != null) {
5391            pi = generatePackageInfo(ps.pkg, flags, userId);
5392        } else {
5393            pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
5394        }
5395        // The above might return null in cases of uninstalled apps or install-state
5396        // skew across users/profiles.
5397        if (pi != null) {
5398            if ((flags&PackageManager.GET_PERMISSIONS) == 0) {
5399                if (numMatch == permissions.length) {
5400                    pi.requestedPermissions = permissions;
5401                } else {
5402                    pi.requestedPermissions = new String[numMatch];
5403                    numMatch = 0;
5404                    for (int i=0; i<permissions.length; i++) {
5405                        if (tmp[i]) {
5406                            pi.requestedPermissions[numMatch] = permissions[i];
5407                            numMatch++;
5408                        }
5409                    }
5410                }
5411            }
5412            list.add(pi);
5413        }
5414    }
5415
5416    @Override
5417    public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions(
5418            String[] permissions, int flags, int userId) {
5419        if (!sUserManager.exists(userId)) return null;
5420        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
5421
5422        // writer
5423        synchronized (mPackages) {
5424            ArrayList<PackageInfo> list = new ArrayList<PackageInfo>();
5425            boolean[] tmpBools = new boolean[permissions.length];
5426            if (listUninstalled) {
5427                for (PackageSetting ps : mSettings.mPackages.values()) {
5428                    addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId);
5429                }
5430            } else {
5431                for (PackageParser.Package pkg : mPackages.values()) {
5432                    PackageSetting ps = (PackageSetting)pkg.mExtras;
5433                    if (ps != null) {
5434                        addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags,
5435                                userId);
5436                    }
5437                }
5438            }
5439
5440            return new ParceledListSlice<PackageInfo>(list);
5441        }
5442    }
5443
5444    @Override
5445    public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) {
5446        if (!sUserManager.exists(userId)) return null;
5447        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
5448
5449        // writer
5450        synchronized (mPackages) {
5451            ArrayList<ApplicationInfo> list;
5452            if (listUninstalled) {
5453                list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size());
5454                for (PackageSetting ps : mSettings.mPackages.values()) {
5455                    ApplicationInfo ai;
5456                    if (ps.pkg != null) {
5457                        ai = PackageParser.generateApplicationInfo(ps.pkg, flags,
5458                                ps.readUserState(userId), userId);
5459                    } else {
5460                        ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId);
5461                    }
5462                    if (ai != null) {
5463                        list.add(ai);
5464                    }
5465                }
5466            } else {
5467                list = new ArrayList<ApplicationInfo>(mPackages.size());
5468                for (PackageParser.Package p : mPackages.values()) {
5469                    if (p.mExtras != null) {
5470                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
5471                                ((PackageSetting)p.mExtras).readUserState(userId), userId);
5472                        if (ai != null) {
5473                            list.add(ai);
5474                        }
5475                    }
5476                }
5477            }
5478
5479            return new ParceledListSlice<ApplicationInfo>(list);
5480        }
5481    }
5482
5483    public List<ApplicationInfo> getPersistentApplications(int flags) {
5484        final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>();
5485
5486        // reader
5487        synchronized (mPackages) {
5488            final Iterator<PackageParser.Package> i = mPackages.values().iterator();
5489            final int userId = UserHandle.getCallingUserId();
5490            while (i.hasNext()) {
5491                final PackageParser.Package p = i.next();
5492                if (p.applicationInfo != null
5493                        && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0
5494                        && (!mSafeMode || isSystemApp(p))) {
5495                    PackageSetting ps = mSettings.mPackages.get(p.packageName);
5496                    if (ps != null) {
5497                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
5498                                ps.readUserState(userId), userId);
5499                        if (ai != null) {
5500                            finalList.add(ai);
5501                        }
5502                    }
5503                }
5504            }
5505        }
5506
5507        return finalList;
5508    }
5509
5510    @Override
5511    public ProviderInfo resolveContentProvider(String name, int flags, int userId) {
5512        if (!sUserManager.exists(userId)) return null;
5513        // reader
5514        synchronized (mPackages) {
5515            final PackageParser.Provider provider = mProvidersByAuthority.get(name);
5516            PackageSetting ps = provider != null
5517                    ? mSettings.mPackages.get(provider.owner.packageName)
5518                    : null;
5519            return ps != null
5520                    && mSettings.isEnabledLPr(provider.info, flags, userId)
5521                    && (!mSafeMode || (provider.info.applicationInfo.flags
5522                            &ApplicationInfo.FLAG_SYSTEM) != 0)
5523                    ? PackageParser.generateProviderInfo(provider, flags,
5524                            ps.readUserState(userId), userId)
5525                    : null;
5526        }
5527    }
5528
5529    /**
5530     * @deprecated
5531     */
5532    @Deprecated
5533    public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) {
5534        // reader
5535        synchronized (mPackages) {
5536            final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority
5537                    .entrySet().iterator();
5538            final int userId = UserHandle.getCallingUserId();
5539            while (i.hasNext()) {
5540                Map.Entry<String, PackageParser.Provider> entry = i.next();
5541                PackageParser.Provider p = entry.getValue();
5542                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
5543
5544                if (ps != null && p.syncable
5545                        && (!mSafeMode || (p.info.applicationInfo.flags
5546                                &ApplicationInfo.FLAG_SYSTEM) != 0)) {
5547                    ProviderInfo info = PackageParser.generateProviderInfo(p, 0,
5548                            ps.readUserState(userId), userId);
5549                    if (info != null) {
5550                        outNames.add(entry.getKey());
5551                        outInfo.add(info);
5552                    }
5553                }
5554            }
5555        }
5556    }
5557
5558    @Override
5559    public ParceledListSlice<ProviderInfo> queryContentProviders(String processName,
5560            int uid, int flags) {
5561        ArrayList<ProviderInfo> finalList = null;
5562        // reader
5563        synchronized (mPackages) {
5564            final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator();
5565            final int userId = processName != null ?
5566                    UserHandle.getUserId(uid) : UserHandle.getCallingUserId();
5567            while (i.hasNext()) {
5568                final PackageParser.Provider p = i.next();
5569                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
5570                if (ps != null && p.info.authority != null
5571                        && (processName == null
5572                                || (p.info.processName.equals(processName)
5573                                        && UserHandle.isSameApp(p.info.applicationInfo.uid, uid)))
5574                        && mSettings.isEnabledLPr(p.info, flags, userId)
5575                        && (!mSafeMode
5576                                || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) {
5577                    if (finalList == null) {
5578                        finalList = new ArrayList<ProviderInfo>(3);
5579                    }
5580                    ProviderInfo info = PackageParser.generateProviderInfo(p, flags,
5581                            ps.readUserState(userId), userId);
5582                    if (info != null) {
5583                        finalList.add(info);
5584                    }
5585                }
5586            }
5587        }
5588
5589        if (finalList != null) {
5590            Collections.sort(finalList, mProviderInitOrderSorter);
5591            return new ParceledListSlice<ProviderInfo>(finalList);
5592        }
5593
5594        return null;
5595    }
5596
5597    @Override
5598    public InstrumentationInfo getInstrumentationInfo(ComponentName name,
5599            int flags) {
5600        // reader
5601        synchronized (mPackages) {
5602            final PackageParser.Instrumentation i = mInstrumentation.get(name);
5603            return PackageParser.generateInstrumentationInfo(i, flags);
5604        }
5605    }
5606
5607    @Override
5608    public List<InstrumentationInfo> queryInstrumentation(String targetPackage,
5609            int flags) {
5610        ArrayList<InstrumentationInfo> finalList =
5611            new ArrayList<InstrumentationInfo>();
5612
5613        // reader
5614        synchronized (mPackages) {
5615            final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator();
5616            while (i.hasNext()) {
5617                final PackageParser.Instrumentation p = i.next();
5618                if (targetPackage == null
5619                        || targetPackage.equals(p.info.targetPackage)) {
5620                    InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p,
5621                            flags);
5622                    if (ii != null) {
5623                        finalList.add(ii);
5624                    }
5625                }
5626            }
5627        }
5628
5629        return finalList;
5630    }
5631
5632    private void createIdmapsForPackageLI(PackageParser.Package pkg) {
5633        ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName);
5634        if (overlays == null) {
5635            Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages");
5636            return;
5637        }
5638        for (PackageParser.Package opkg : overlays.values()) {
5639            // Not much to do if idmap fails: we already logged the error
5640            // and we certainly don't want to abort installation of pkg simply
5641            // because an overlay didn't fit properly. For these reasons,
5642            // ignore the return value of createIdmapForPackagePairLI.
5643            createIdmapForPackagePairLI(pkg, opkg);
5644        }
5645    }
5646
5647    private boolean createIdmapForPackagePairLI(PackageParser.Package pkg,
5648            PackageParser.Package opkg) {
5649        if (!opkg.mTrustedOverlay) {
5650            Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " +
5651                    opkg.baseCodePath + ": overlay not trusted");
5652            return false;
5653        }
5654        ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName);
5655        if (overlaySet == null) {
5656            Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " +
5657                    opkg.baseCodePath + " but target package has no known overlays");
5658            return false;
5659        }
5660        final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
5661        // TODO: generate idmap for split APKs
5662        if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) {
5663            Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and "
5664                    + opkg.baseCodePath);
5665            return false;
5666        }
5667        PackageParser.Package[] overlayArray =
5668            overlaySet.values().toArray(new PackageParser.Package[0]);
5669        Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() {
5670            public int compare(PackageParser.Package p1, PackageParser.Package p2) {
5671                return p1.mOverlayPriority - p2.mOverlayPriority;
5672            }
5673        };
5674        Arrays.sort(overlayArray, cmp);
5675
5676        pkg.applicationInfo.resourceDirs = new String[overlayArray.length];
5677        int i = 0;
5678        for (PackageParser.Package p : overlayArray) {
5679            pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath;
5680        }
5681        return true;
5682    }
5683
5684    private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) {
5685        Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir");
5686        try {
5687            scanDirLI(dir, parseFlags, scanFlags, currentTime);
5688        } finally {
5689            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
5690        }
5691    }
5692
5693    private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) {
5694        final File[] files = dir.listFiles();
5695        if (ArrayUtils.isEmpty(files)) {
5696            Log.d(TAG, "No files in app dir " + dir);
5697            return;
5698        }
5699
5700        if (DEBUG_PACKAGE_SCANNING) {
5701            Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags
5702                    + " flags=0x" + Integer.toHexString(parseFlags));
5703        }
5704
5705        for (File file : files) {
5706            final boolean isPackage = (isApkFile(file) || file.isDirectory())
5707                    && !PackageInstallerService.isStageName(file.getName());
5708            if (!isPackage) {
5709                // Ignore entries which are not packages
5710                continue;
5711            }
5712            try {
5713                scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK,
5714                        scanFlags, currentTime, null);
5715            } catch (PackageManagerException e) {
5716                Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage());
5717
5718                // Delete invalid userdata apps
5719                if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 &&
5720                        e.error == PackageManager.INSTALL_FAILED_INVALID_APK) {
5721                    logCriticalInfo(Log.WARN, "Deleting invalid package at " + file);
5722                    if (file.isDirectory()) {
5723                        mInstaller.rmPackageDir(file.getAbsolutePath());
5724                    } else {
5725                        file.delete();
5726                    }
5727                }
5728            }
5729        }
5730    }
5731
5732    private static File getSettingsProblemFile() {
5733        File dataDir = Environment.getDataDirectory();
5734        File systemDir = new File(dataDir, "system");
5735        File fname = new File(systemDir, "uiderrors.txt");
5736        return fname;
5737    }
5738
5739    static void reportSettingsProblem(int priority, String msg) {
5740        logCriticalInfo(priority, msg);
5741    }
5742
5743    static void logCriticalInfo(int priority, String msg) {
5744        Slog.println(priority, TAG, msg);
5745        EventLogTags.writePmCriticalInfo(msg);
5746        try {
5747            File fname = getSettingsProblemFile();
5748            FileOutputStream out = new FileOutputStream(fname, true);
5749            PrintWriter pw = new FastPrintWriter(out);
5750            SimpleDateFormat formatter = new SimpleDateFormat();
5751            String dateString = formatter.format(new Date(System.currentTimeMillis()));
5752            pw.println(dateString + ": " + msg);
5753            pw.close();
5754            FileUtils.setPermissions(
5755                    fname.toString(),
5756                    FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH,
5757                    -1, -1);
5758        } catch (java.io.IOException e) {
5759        }
5760    }
5761
5762    private void collectCertificatesLI(PackageParser pp, PackageSetting ps,
5763            PackageParser.Package pkg, File srcFile, int parseFlags)
5764            throws PackageManagerException {
5765        if (ps != null
5766                && ps.codePath.equals(srcFile)
5767                && ps.timeStamp == srcFile.lastModified()
5768                && !isCompatSignatureUpdateNeeded(pkg)
5769                && !isRecoverSignatureUpdateNeeded(pkg)) {
5770            long mSigningKeySetId = ps.keySetData.getProperSigningKeySet();
5771            KeySetManagerService ksms = mSettings.mKeySetManagerService;
5772            ArraySet<PublicKey> signingKs;
5773            synchronized (mPackages) {
5774                signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId);
5775            }
5776            if (ps.signatures.mSignatures != null
5777                    && ps.signatures.mSignatures.length != 0
5778                    && signingKs != null) {
5779                // Optimization: reuse the existing cached certificates
5780                // if the package appears to be unchanged.
5781                pkg.mSignatures = ps.signatures.mSignatures;
5782                pkg.mSigningKeys = signingKs;
5783                return;
5784            }
5785
5786            Slog.w(TAG, "PackageSetting for " + ps.name
5787                    + " is missing signatures.  Collecting certs again to recover them.");
5788        } else {
5789            Log.i(TAG, srcFile.toString() + " changed; collecting certs");
5790        }
5791
5792        try {
5793            pp.collectCertificates(pkg, parseFlags);
5794            pp.collectManifestDigest(pkg);
5795        } catch (PackageParserException e) {
5796            throw PackageManagerException.from(e);
5797        }
5798    }
5799
5800    /**
5801     *  Traces a package scan.
5802     *  @see #scanPackageLI(File, int, int, long, UserHandle)
5803     */
5804    private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags,
5805            long currentTime, UserHandle user) throws PackageManagerException {
5806        Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage");
5807        try {
5808            return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user);
5809        } finally {
5810            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
5811        }
5812    }
5813
5814    /**
5815     *  Scans a package and returns the newly parsed package.
5816     *  Returns {@code null} in case of errors and the error code is stored in mLastScanError
5817     */
5818    private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags,
5819            long currentTime, UserHandle user) throws PackageManagerException {
5820        if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile);
5821        parseFlags |= mDefParseFlags;
5822        PackageParser pp = new PackageParser();
5823        pp.setSeparateProcesses(mSeparateProcesses);
5824        pp.setOnlyCoreApps(mOnlyCore);
5825        pp.setDisplayMetrics(mMetrics);
5826
5827        if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) {
5828            parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY;
5829        }
5830
5831        final PackageParser.Package pkg;
5832        try {
5833            pkg = pp.parsePackage(scanFile, parseFlags);
5834        } catch (PackageParserException e) {
5835            throw PackageManagerException.from(e);
5836        }
5837
5838        PackageSetting ps = null;
5839        PackageSetting updatedPkg;
5840        // reader
5841        synchronized (mPackages) {
5842            // Look to see if we already know about this package.
5843            String oldName = mSettings.mRenamedPackages.get(pkg.packageName);
5844            if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) {
5845                // This package has been renamed to its original name.  Let's
5846                // use that.
5847                ps = mSettings.peekPackageLPr(oldName);
5848            }
5849            // If there was no original package, see one for the real package name.
5850            if (ps == null) {
5851                ps = mSettings.peekPackageLPr(pkg.packageName);
5852            }
5853            // Check to see if this package could be hiding/updating a system
5854            // package.  Must look for it either under the original or real
5855            // package name depending on our state.
5856            updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName);
5857            if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg);
5858        }
5859        boolean updatedPkgBetter = false;
5860        // First check if this is a system package that may involve an update
5861        if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) {
5862            // If new package is not located in "/system/priv-app" (e.g. due to an OTA),
5863            // it needs to drop FLAG_PRIVILEGED.
5864            if (locationIsPrivileged(scanFile)) {
5865                updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
5866            } else {
5867                updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
5868            }
5869
5870            if (ps != null && !ps.codePath.equals(scanFile)) {
5871                // The path has changed from what was last scanned...  check the
5872                // version of the new path against what we have stored to determine
5873                // what to do.
5874                if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath);
5875                if (pkg.mVersionCode <= ps.versionCode) {
5876                    // The system package has been updated and the code path does not match
5877                    // Ignore entry. Skip it.
5878                    if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile
5879                            + " ignored: updated version " + ps.versionCode
5880                            + " better than this " + pkg.mVersionCode);
5881                    if (!updatedPkg.codePath.equals(scanFile)) {
5882                        Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : "
5883                                + ps.name + " changing from " + updatedPkg.codePathString
5884                                + " to " + scanFile);
5885                        updatedPkg.codePath = scanFile;
5886                        updatedPkg.codePathString = scanFile.toString();
5887                        updatedPkg.resourcePath = scanFile;
5888                        updatedPkg.resourcePathString = scanFile.toString();
5889                    }
5890                    updatedPkg.pkg = pkg;
5891                    throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
5892                            "Package " + ps.name + " at " + scanFile
5893                                    + " ignored: updated version " + ps.versionCode
5894                                    + " better than this " + pkg.mVersionCode);
5895                } else {
5896                    // The current app on the system partition is better than
5897                    // what we have updated to on the data partition; switch
5898                    // back to the system partition version.
5899                    // At this point, its safely assumed that package installation for
5900                    // apps in system partition will go through. If not there won't be a working
5901                    // version of the app
5902                    // writer
5903                    synchronized (mPackages) {
5904                        // Just remove the loaded entries from package lists.
5905                        mPackages.remove(ps.name);
5906                    }
5907
5908                    logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile
5909                            + " reverting from " + ps.codePathString
5910                            + ": new version " + pkg.mVersionCode
5911                            + " better than installed " + ps.versionCode);
5912
5913                    InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
5914                            ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps));
5915                    synchronized (mInstallLock) {
5916                        args.cleanUpResourcesLI();
5917                    }
5918                    synchronized (mPackages) {
5919                        mSettings.enableSystemPackageLPw(ps.name);
5920                    }
5921                    updatedPkgBetter = true;
5922                }
5923            }
5924        }
5925
5926        if (updatedPkg != null) {
5927            // An updated system app will not have the PARSE_IS_SYSTEM flag set
5928            // initially
5929            parseFlags |= PackageParser.PARSE_IS_SYSTEM;
5930
5931            // An updated privileged app will not have the PARSE_IS_PRIVILEGED
5932            // flag set initially
5933            if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) {
5934                parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
5935            }
5936        }
5937
5938        // Verify certificates against what was last scanned
5939        collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags);
5940
5941        /*
5942         * A new system app appeared, but we already had a non-system one of the
5943         * same name installed earlier.
5944         */
5945        boolean shouldHideSystemApp = false;
5946        if (updatedPkg == null && ps != null
5947                && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) {
5948            /*
5949             * Check to make sure the signatures match first. If they don't,
5950             * wipe the installed application and its data.
5951             */
5952            if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures)
5953                    != PackageManager.SIGNATURE_MATCH) {
5954                logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but"
5955                        + " signatures don't match existing userdata copy; removing");
5956                deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false);
5957                ps = null;
5958            } else {
5959                /*
5960                 * If the newly-added system app is an older version than the
5961                 * already installed version, hide it. It will be scanned later
5962                 * and re-added like an update.
5963                 */
5964                if (pkg.mVersionCode <= ps.versionCode) {
5965                    shouldHideSystemApp = true;
5966                    logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile
5967                            + " but new version " + pkg.mVersionCode + " better than installed "
5968                            + ps.versionCode + "; hiding system");
5969                } else {
5970                    /*
5971                     * The newly found system app is a newer version that the
5972                     * one previously installed. Simply remove the
5973                     * already-installed application and replace it with our own
5974                     * while keeping the application data.
5975                     */
5976                    logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile
5977                            + " reverting from " + ps.codePathString + ": new version "
5978                            + pkg.mVersionCode + " better than installed " + ps.versionCode);
5979                    InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
5980                            ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps));
5981                    synchronized (mInstallLock) {
5982                        args.cleanUpResourcesLI();
5983                    }
5984                }
5985            }
5986        }
5987
5988        // The apk is forward locked (not public) if its code and resources
5989        // are kept in different files. (except for app in either system or
5990        // vendor path).
5991        // TODO grab this value from PackageSettings
5992        if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5993            if (ps != null && !ps.codePath.equals(ps.resourcePath)) {
5994                parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
5995            }
5996        }
5997
5998        // TODO: extend to support forward-locked splits
5999        String resourcePath = null;
6000        String baseResourcePath = null;
6001        if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) {
6002            if (ps != null && ps.resourcePathString != null) {
6003                resourcePath = ps.resourcePathString;
6004                baseResourcePath = ps.resourcePathString;
6005            } else {
6006                // Should not happen at all. Just log an error.
6007                Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName);
6008            }
6009        } else {
6010            resourcePath = pkg.codePath;
6011            baseResourcePath = pkg.baseCodePath;
6012        }
6013
6014        // Set application objects path explicitly.
6015        pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
6016        pkg.applicationInfo.setCodePath(pkg.codePath);
6017        pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
6018        pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
6019        pkg.applicationInfo.setResourcePath(resourcePath);
6020        pkg.applicationInfo.setBaseResourcePath(baseResourcePath);
6021        pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
6022
6023        // Note that we invoke the following method only if we are about to unpack an application
6024        PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags
6025                | SCAN_UPDATE_SIGNATURE, currentTime, user);
6026
6027        /*
6028         * If the system app should be overridden by a previously installed
6029         * data, hide the system app now and let the /data/app scan pick it up
6030         * again.
6031         */
6032        if (shouldHideSystemApp) {
6033            synchronized (mPackages) {
6034                mSettings.disableSystemPackageLPw(pkg.packageName);
6035            }
6036        }
6037
6038        return scannedPkg;
6039    }
6040
6041    private static String fixProcessName(String defProcessName,
6042            String processName, int uid) {
6043        if (processName == null) {
6044            return defProcessName;
6045        }
6046        return processName;
6047    }
6048
6049    private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg)
6050            throws PackageManagerException {
6051        if (pkgSetting.signatures.mSignatures != null) {
6052            // Already existing package. Make sure signatures match
6053            boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures)
6054                    == PackageManager.SIGNATURE_MATCH;
6055            if (!match) {
6056                match = compareSignaturesCompat(pkgSetting.signatures, pkg)
6057                        == PackageManager.SIGNATURE_MATCH;
6058            }
6059            if (!match) {
6060                match = compareSignaturesRecover(pkgSetting.signatures, pkg)
6061                        == PackageManager.SIGNATURE_MATCH;
6062            }
6063            if (!match) {
6064                throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
6065                        + pkg.packageName + " signatures do not match the "
6066                        + "previously installed version; ignoring!");
6067            }
6068        }
6069
6070        // Check for shared user signatures
6071        if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) {
6072            // Already existing package. Make sure signatures match
6073            boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
6074                    pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
6075            if (!match) {
6076                match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg)
6077                        == PackageManager.SIGNATURE_MATCH;
6078            }
6079            if (!match) {
6080                match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg)
6081                        == PackageManager.SIGNATURE_MATCH;
6082            }
6083            if (!match) {
6084                throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
6085                        "Package " + pkg.packageName
6086                        + " has no signatures that match those in shared user "
6087                        + pkgSetting.sharedUser.name + "; ignoring!");
6088            }
6089        }
6090    }
6091
6092    /**
6093     * Enforces that only the system UID or root's UID can call a method exposed
6094     * via Binder.
6095     *
6096     * @param message used as message if SecurityException is thrown
6097     * @throws SecurityException if the caller is not system or root
6098     */
6099    private static final void enforceSystemOrRoot(String message) {
6100        final int uid = Binder.getCallingUid();
6101        if (uid != Process.SYSTEM_UID && uid != 0) {
6102            throw new SecurityException(message);
6103        }
6104    }
6105
6106    @Override
6107    public void performBootDexOpt() {
6108        enforceSystemOrRoot("Only the system can request dexopt be performed");
6109
6110        // Before everything else, see whether we need to fstrim.
6111        try {
6112            IMountService ms = PackageHelper.getMountService();
6113            if (ms != null) {
6114                final boolean isUpgrade = isUpgrade();
6115                boolean doTrim = isUpgrade;
6116                if (doTrim) {
6117                    Slog.w(TAG, "Running disk maintenance immediately due to system update");
6118                } else {
6119                    final long interval = android.provider.Settings.Global.getLong(
6120                            mContext.getContentResolver(),
6121                            android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL,
6122                            DEFAULT_MANDATORY_FSTRIM_INTERVAL);
6123                    if (interval > 0) {
6124                        final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance();
6125                        if (timeSinceLast > interval) {
6126                            doTrim = true;
6127                            Slog.w(TAG, "No disk maintenance in " + timeSinceLast
6128                                    + "; running immediately");
6129                        }
6130                    }
6131                }
6132                if (doTrim) {
6133                    if (!isFirstBoot()) {
6134                        try {
6135                            ActivityManagerNative.getDefault().showBootMessage(
6136                                    mContext.getResources().getString(
6137                                            R.string.android_upgrading_fstrim), true);
6138                        } catch (RemoteException e) {
6139                        }
6140                    }
6141                    ms.runMaintenance();
6142                }
6143            } else {
6144                Slog.e(TAG, "Mount service unavailable!");
6145            }
6146        } catch (RemoteException e) {
6147            // Can't happen; MountService is local
6148        }
6149
6150        final ArraySet<PackageParser.Package> pkgs;
6151        synchronized (mPackages) {
6152            pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages();
6153        }
6154
6155        if (pkgs != null) {
6156            // Sort apps by importance for dexopt ordering. Important apps are given more priority
6157            // in case the device runs out of space.
6158            ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>();
6159            // Give priority to core apps.
6160            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
6161                PackageParser.Package pkg = it.next();
6162                if (pkg.coreApp) {
6163                    if (DEBUG_DEXOPT) {
6164                        Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName);
6165                    }
6166                    sortedPkgs.add(pkg);
6167                    it.remove();
6168                }
6169            }
6170            // Give priority to system apps that listen for pre boot complete.
6171            Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED);
6172            ArraySet<String> pkgNames = getPackageNamesForIntent(intent, UserHandle.USER_SYSTEM);
6173            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
6174                PackageParser.Package pkg = it.next();
6175                if (pkgNames.contains(pkg.packageName)) {
6176                    if (DEBUG_DEXOPT) {
6177                        Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName);
6178                    }
6179                    sortedPkgs.add(pkg);
6180                    it.remove();
6181                }
6182            }
6183            // Filter out packages that aren't recently used.
6184            filterRecentlyUsedApps(pkgs);
6185            // Add all remaining apps.
6186            for (PackageParser.Package pkg : pkgs) {
6187                if (DEBUG_DEXOPT) {
6188                    Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName);
6189                }
6190                sortedPkgs.add(pkg);
6191            }
6192
6193            // If we want to be lazy, filter everything that wasn't recently used.
6194            if (mLazyDexOpt) {
6195                filterRecentlyUsedApps(sortedPkgs);
6196            }
6197
6198            int i = 0;
6199            int total = sortedPkgs.size();
6200            File dataDir = Environment.getDataDirectory();
6201            long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir);
6202            if (lowThreshold == 0) {
6203                throw new IllegalStateException("Invalid low memory threshold");
6204            }
6205            for (PackageParser.Package pkg : sortedPkgs) {
6206                long usableSpace = dataDir.getUsableSpace();
6207                if (usableSpace < lowThreshold) {
6208                    Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace);
6209                    break;
6210                }
6211                performBootDexOpt(pkg, ++i, total);
6212            }
6213        }
6214    }
6215
6216    private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) {
6217        // Filter out packages that aren't recently used.
6218        //
6219        // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which
6220        // should do a full dexopt.
6221        if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) {
6222            int total = pkgs.size();
6223            int skipped = 0;
6224            long now = System.currentTimeMillis();
6225            for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) {
6226                PackageParser.Package pkg = i.next();
6227                long then = pkg.mLastPackageUsageTimeInMills;
6228                if (then + mDexOptLRUThresholdInMills < now) {
6229                    if (DEBUG_DEXOPT) {
6230                        Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " +
6231                              ((then == 0) ? "never" : new Date(then)));
6232                    }
6233                    i.remove();
6234                    skipped++;
6235                }
6236            }
6237            if (DEBUG_DEXOPT) {
6238                Log.i(TAG, "Skipped optimizing " + skipped + " of " + total);
6239            }
6240        }
6241    }
6242
6243    private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) {
6244        List<ResolveInfo> ris = null;
6245        try {
6246            ris = AppGlobals.getPackageManager().queryIntentReceivers(
6247                    intent, null, 0, userId);
6248        } catch (RemoteException e) {
6249        }
6250        ArraySet<String> pkgNames = new ArraySet<String>();
6251        if (ris != null) {
6252            for (ResolveInfo ri : ris) {
6253                pkgNames.add(ri.activityInfo.packageName);
6254            }
6255        }
6256        return pkgNames;
6257    }
6258
6259    private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) {
6260        if (DEBUG_DEXOPT) {
6261            Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName);
6262        }
6263        if (!isFirstBoot()) {
6264            try {
6265                ActivityManagerNative.getDefault().showBootMessage(
6266                        mContext.getResources().getString(R.string.android_upgrading_apk,
6267                                curr, total), true);
6268            } catch (RemoteException e) {
6269            }
6270        }
6271        PackageParser.Package p = pkg;
6272        synchronized (mInstallLock) {
6273            mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */,
6274                    false /* force dex */, false /* defer */, true /* include dependencies */,
6275                    false /* boot complete */, false /*useJit*/);
6276        }
6277    }
6278
6279    @Override
6280    public boolean performDexOptIfNeeded(String packageName, String instructionSet) {
6281        return performDexOptTraced(packageName, instructionSet, false);
6282    }
6283
6284    public boolean performDexOpt(
6285            String packageName, String instructionSet, boolean backgroundDexopt) {
6286        return performDexOptTraced(packageName, instructionSet, backgroundDexopt);
6287    }
6288
6289    private boolean performDexOptTraced(
6290            String packageName, String instructionSet, boolean backgroundDexopt) {
6291        Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt");
6292        try {
6293            return performDexOptInternal(packageName, instructionSet, backgroundDexopt);
6294        } finally {
6295            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
6296        }
6297    }
6298
6299    private boolean performDexOptInternal(
6300            String packageName, String instructionSet, boolean backgroundDexopt) {
6301        boolean dexopt = mLazyDexOpt || backgroundDexopt;
6302        boolean updateUsage = !backgroundDexopt;  // Don't update usage if this is just a backgroundDexopt
6303        if (!dexopt && !updateUsage) {
6304            // We aren't going to dexopt or update usage, so bail early.
6305            return false;
6306        }
6307        PackageParser.Package p;
6308        final String targetInstructionSet;
6309        synchronized (mPackages) {
6310            p = mPackages.get(packageName);
6311            if (p == null) {
6312                return false;
6313            }
6314            if (updateUsage) {
6315                p.mLastPackageUsageTimeInMills = System.currentTimeMillis();
6316            }
6317            mPackageUsage.write(false);
6318            if (!dexopt) {
6319                // We aren't going to dexopt, so bail early.
6320                return false;
6321            }
6322
6323            targetInstructionSet = instructionSet != null ? instructionSet :
6324                    getPrimaryInstructionSet(p.applicationInfo);
6325            if (p.mDexOptPerformed.contains(targetInstructionSet)) {
6326                return false;
6327            }
6328        }
6329        long callingId = Binder.clearCallingIdentity();
6330        try {
6331            synchronized (mInstallLock) {
6332                final String[] instructionSets = new String[] { targetInstructionSet };
6333                int result = mPackageDexOptimizer.performDexOpt(p, instructionSets,
6334                        false /* forceDex */, false /* defer */, true /* inclDependencies */,
6335                        true /* boot complete */, false /*useJit*/);
6336                return result == PackageDexOptimizer.DEX_OPT_PERFORMED;
6337            }
6338        } finally {
6339            Binder.restoreCallingIdentity(callingId);
6340        }
6341    }
6342
6343    public ArraySet<String> getPackagesThatNeedDexOpt() {
6344        ArraySet<String> pkgs = null;
6345        synchronized (mPackages) {
6346            for (PackageParser.Package p : mPackages.values()) {
6347                if (DEBUG_DEXOPT) {
6348                    Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray());
6349                }
6350                if (!p.mDexOptPerformed.isEmpty()) {
6351                    continue;
6352                }
6353                if (pkgs == null) {
6354                    pkgs = new ArraySet<String>();
6355                }
6356                pkgs.add(p.packageName);
6357            }
6358        }
6359        return pkgs;
6360    }
6361
6362    public void shutdown() {
6363        mPackageUsage.write(true);
6364    }
6365
6366    @Override
6367    public void forceDexOpt(String packageName) {
6368        enforceSystemOrRoot("forceDexOpt");
6369
6370        PackageParser.Package pkg;
6371        synchronized (mPackages) {
6372            pkg = mPackages.get(packageName);
6373            if (pkg == null) {
6374                throw new IllegalArgumentException("Missing package: " + packageName);
6375            }
6376        }
6377
6378        synchronized (mInstallLock) {
6379            final String[] instructionSets = new String[] {
6380                    getPrimaryInstructionSet(pkg.applicationInfo) };
6381
6382            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt");
6383
6384            final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets,
6385                    true /*forceDex*/, false /* defer */, true /* inclDependencies */,
6386                    true /* boot complete */, false /*useJit*/);
6387
6388            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
6389            if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) {
6390                throw new IllegalStateException("Failed to dexopt: " + res);
6391            }
6392        }
6393    }
6394
6395    private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) {
6396        if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) {
6397            Slog.w(TAG, "Unable to update from " + oldPkg.name
6398                    + " to " + newPkg.packageName
6399                    + ": old package not in system partition");
6400            return false;
6401        } else if (mPackages.get(oldPkg.name) != null) {
6402            Slog.w(TAG, "Unable to update from " + oldPkg.name
6403                    + " to " + newPkg.packageName
6404                    + ": old package still exists");
6405            return false;
6406        }
6407        return true;
6408    }
6409
6410    private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) {
6411        int[] users = sUserManager.getUserIds();
6412        int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo);
6413        if (res < 0) {
6414            return res;
6415        }
6416        for (int user : users) {
6417            if (user != 0) {
6418                res = mInstaller.createUserData(volumeUuid, packageName,
6419                        UserHandle.getUid(user, uid), user, seinfo);
6420                if (res < 0) {
6421                    return res;
6422                }
6423            }
6424        }
6425        return res;
6426    }
6427
6428    private int removeDataDirsLI(String volumeUuid, String packageName) {
6429        int[] users = sUserManager.getUserIds();
6430        int res = 0;
6431        for (int user : users) {
6432            int resInner = mInstaller.remove(volumeUuid, packageName, user);
6433            if (resInner < 0) {
6434                res = resInner;
6435            }
6436        }
6437
6438        return res;
6439    }
6440
6441    private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) {
6442        int[] users = sUserManager.getUserIds();
6443        int res = 0;
6444        for (int user : users) {
6445            int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user);
6446            if (resInner < 0) {
6447                res = resInner;
6448            }
6449        }
6450        return res;
6451    }
6452
6453    private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file,
6454            PackageParser.Package changingLib) {
6455        if (file.path != null) {
6456            usesLibraryFiles.add(file.path);
6457            return;
6458        }
6459        PackageParser.Package p = mPackages.get(file.apk);
6460        if (changingLib != null && changingLib.packageName.equals(file.apk)) {
6461            // If we are doing this while in the middle of updating a library apk,
6462            // then we need to make sure to use that new apk for determining the
6463            // dependencies here.  (We haven't yet finished committing the new apk
6464            // to the package manager state.)
6465            if (p == null || p.packageName.equals(changingLib.packageName)) {
6466                p = changingLib;
6467            }
6468        }
6469        if (p != null) {
6470            usesLibraryFiles.addAll(p.getAllCodePaths());
6471        }
6472    }
6473
6474    private void updateSharedLibrariesLPw(PackageParser.Package pkg,
6475            PackageParser.Package changingLib) throws PackageManagerException {
6476        if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) {
6477            final ArraySet<String> usesLibraryFiles = new ArraySet<>();
6478            int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0;
6479            for (int i=0; i<N; i++) {
6480                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i));
6481                if (file == null) {
6482                    throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY,
6483                            "Package " + pkg.packageName + " requires unavailable shared library "
6484                            + pkg.usesLibraries.get(i) + "; failing!");
6485                }
6486                addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
6487            }
6488            N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0;
6489            for (int i=0; i<N; i++) {
6490                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i));
6491                if (file == null) {
6492                    Slog.w(TAG, "Package " + pkg.packageName
6493                            + " desires unavailable shared library "
6494                            + pkg.usesOptionalLibraries.get(i) + "; ignoring!");
6495                } else {
6496                    addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
6497                }
6498            }
6499            N = usesLibraryFiles.size();
6500            if (N > 0) {
6501                pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]);
6502            } else {
6503                pkg.usesLibraryFiles = null;
6504            }
6505        }
6506    }
6507
6508    private static boolean hasString(List<String> list, List<String> which) {
6509        if (list == null) {
6510            return false;
6511        }
6512        for (int i=list.size()-1; i>=0; i--) {
6513            for (int j=which.size()-1; j>=0; j--) {
6514                if (which.get(j).equals(list.get(i))) {
6515                    return true;
6516                }
6517            }
6518        }
6519        return false;
6520    }
6521
6522    private void updateAllSharedLibrariesLPw() {
6523        for (PackageParser.Package pkg : mPackages.values()) {
6524            try {
6525                updateSharedLibrariesLPw(pkg, null);
6526            } catch (PackageManagerException e) {
6527                Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
6528            }
6529        }
6530    }
6531
6532    private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw(
6533            PackageParser.Package changingPkg) {
6534        ArrayList<PackageParser.Package> res = null;
6535        for (PackageParser.Package pkg : mPackages.values()) {
6536            if (hasString(pkg.usesLibraries, changingPkg.libraryNames)
6537                    || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) {
6538                if (res == null) {
6539                    res = new ArrayList<PackageParser.Package>();
6540                }
6541                res.add(pkg);
6542                try {
6543                    updateSharedLibrariesLPw(pkg, changingPkg);
6544                } catch (PackageManagerException e) {
6545                    Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
6546                }
6547            }
6548        }
6549        return res;
6550    }
6551
6552    /**
6553     * Derive the value of the {@code cpuAbiOverride} based on the provided
6554     * value and an optional stored value from the package settings.
6555     */
6556    private static String deriveAbiOverride(String abiOverride, PackageSetting settings) {
6557        String cpuAbiOverride = null;
6558
6559        if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) {
6560            cpuAbiOverride = null;
6561        } else if (abiOverride != null) {
6562            cpuAbiOverride = abiOverride;
6563        } else if (settings != null) {
6564            cpuAbiOverride = settings.cpuAbiOverrideString;
6565        }
6566
6567        return cpuAbiOverride;
6568    }
6569
6570    private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags,
6571            int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
6572        Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage");
6573        try {
6574            return scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user);
6575        } finally {
6576            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
6577        }
6578    }
6579
6580    private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags,
6581            int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
6582        boolean success = false;
6583        try {
6584            final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags,
6585                    currentTime, user);
6586            success = true;
6587            return res;
6588        } finally {
6589            if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) {
6590                removeDataDirsLI(pkg.volumeUuid, pkg.packageName);
6591            }
6592        }
6593    }
6594
6595    private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags,
6596            int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
6597        final File scanFile = new File(pkg.codePath);
6598        if (pkg.applicationInfo.getCodePath() == null ||
6599                pkg.applicationInfo.getResourcePath() == null) {
6600            // Bail out. The resource and code paths haven't been set.
6601            throw new PackageManagerException(INSTALL_FAILED_INVALID_APK,
6602                    "Code and resource paths haven't been set correctly");
6603        }
6604
6605        if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
6606            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM;
6607        } else {
6608            // Only allow system apps to be flagged as core apps.
6609            pkg.coreApp = false;
6610        }
6611
6612        if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) {
6613            pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
6614        }
6615
6616        if (mCustomResolverComponentName != null &&
6617                mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) {
6618            setUpCustomResolverActivity(pkg);
6619        }
6620
6621        if (pkg.packageName.equals("android")) {
6622            synchronized (mPackages) {
6623                if (mAndroidApplication != null) {
6624                    Slog.w(TAG, "*************************************************");
6625                    Slog.w(TAG, "Core android package being redefined.  Skipping.");
6626                    Slog.w(TAG, " file=" + scanFile);
6627                    Slog.w(TAG, "*************************************************");
6628                    throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
6629                            "Core android package being redefined.  Skipping.");
6630                }
6631
6632                // Set up information for our fall-back user intent resolution activity.
6633                mPlatformPackage = pkg;
6634                pkg.mVersionCode = mSdkVersion;
6635                mAndroidApplication = pkg.applicationInfo;
6636
6637                if (!mResolverReplaced) {
6638                    mResolveActivity.applicationInfo = mAndroidApplication;
6639                    mResolveActivity.name = ResolverActivity.class.getName();
6640                    mResolveActivity.packageName = mAndroidApplication.packageName;
6641                    mResolveActivity.processName = "system:ui";
6642                    mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
6643                    mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER;
6644                    mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS;
6645                    mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert;
6646                    mResolveActivity.exported = true;
6647                    mResolveActivity.enabled = true;
6648                    mResolveInfo.activityInfo = mResolveActivity;
6649                    mResolveInfo.priority = 0;
6650                    mResolveInfo.preferredOrder = 0;
6651                    mResolveInfo.match = 0;
6652                    mResolveComponentName = new ComponentName(
6653                            mAndroidApplication.packageName, mResolveActivity.name);
6654                }
6655            }
6656        }
6657
6658        if (DEBUG_PACKAGE_SCANNING) {
6659            if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
6660                Log.d(TAG, "Scanning package " + pkg.packageName);
6661        }
6662
6663        if (mPackages.containsKey(pkg.packageName)
6664                || mSharedLibraries.containsKey(pkg.packageName)) {
6665            throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
6666                    "Application package " + pkg.packageName
6667                    + " already installed.  Skipping duplicate.");
6668        }
6669
6670        // If we're only installing presumed-existing packages, require that the
6671        // scanned APK is both already known and at the path previously established
6672        // for it.  Previously unknown packages we pick up normally, but if we have an
6673        // a priori expectation about this package's install presence, enforce it.
6674        // With a singular exception for new system packages. When an OTA contains
6675        // a new system package, we allow the codepath to change from a system location
6676        // to the user-installed location. If we don't allow this change, any newer,
6677        // user-installed version of the application will be ignored.
6678        if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) {
6679            if (mExpectingBetter.containsKey(pkg.packageName)) {
6680                logCriticalInfo(Log.WARN,
6681                        "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName);
6682            } else {
6683                PackageSetting known = mSettings.peekPackageLPr(pkg.packageName);
6684                if (known != null) {
6685                    if (DEBUG_PACKAGE_SCANNING) {
6686                        Log.d(TAG, "Examining " + pkg.codePath
6687                                + " and requiring known paths " + known.codePathString
6688                                + " & " + known.resourcePathString);
6689                    }
6690                    if (!pkg.applicationInfo.getCodePath().equals(known.codePathString)
6691                            || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) {
6692                        throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED,
6693                                "Application package " + pkg.packageName
6694                                + " found at " + pkg.applicationInfo.getCodePath()
6695                                + " but expected at " + known.codePathString + "; ignoring.");
6696                    }
6697                }
6698            }
6699        }
6700
6701        // Initialize package source and resource directories
6702        File destCodeFile = new File(pkg.applicationInfo.getCodePath());
6703        File destResourceFile = new File(pkg.applicationInfo.getResourcePath());
6704
6705        SharedUserSetting suid = null;
6706        PackageSetting pkgSetting = null;
6707
6708        if (!isSystemApp(pkg)) {
6709            // Only system apps can use these features.
6710            pkg.mOriginalPackages = null;
6711            pkg.mRealPackage = null;
6712            pkg.mAdoptPermissions = null;
6713        }
6714
6715        // writer
6716        synchronized (mPackages) {
6717            if (pkg.mSharedUserId != null) {
6718                suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true);
6719                if (suid == null) {
6720                    throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
6721                            "Creating application package " + pkg.packageName
6722                            + " for shared user failed");
6723                }
6724                if (DEBUG_PACKAGE_SCANNING) {
6725                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
6726                        Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId
6727                                + "): packages=" + suid.packages);
6728                }
6729            }
6730
6731            // Check if we are renaming from an original package name.
6732            PackageSetting origPackage = null;
6733            String realName = null;
6734            if (pkg.mOriginalPackages != null) {
6735                // This package may need to be renamed to a previously
6736                // installed name.  Let's check on that...
6737                final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage);
6738                if (pkg.mOriginalPackages.contains(renamed)) {
6739                    // This package had originally been installed as the
6740                    // original name, and we have already taken care of
6741                    // transitioning to the new one.  Just update the new
6742                    // one to continue using the old name.
6743                    realName = pkg.mRealPackage;
6744                    if (!pkg.packageName.equals(renamed)) {
6745                        // Callers into this function may have already taken
6746                        // care of renaming the package; only do it here if
6747                        // it is not already done.
6748                        pkg.setPackageName(renamed);
6749                    }
6750
6751                } else {
6752                    for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) {
6753                        if ((origPackage = mSettings.peekPackageLPr(
6754                                pkg.mOriginalPackages.get(i))) != null) {
6755                            // We do have the package already installed under its
6756                            // original name...  should we use it?
6757                            if (!verifyPackageUpdateLPr(origPackage, pkg)) {
6758                                // New package is not compatible with original.
6759                                origPackage = null;
6760                                continue;
6761                            } else if (origPackage.sharedUser != null) {
6762                                // Make sure uid is compatible between packages.
6763                                if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) {
6764                                    Slog.w(TAG, "Unable to migrate data from " + origPackage.name
6765                                            + " to " + pkg.packageName + ": old uid "
6766                                            + origPackage.sharedUser.name
6767                                            + " differs from " + pkg.mSharedUserId);
6768                                    origPackage = null;
6769                                    continue;
6770                                }
6771                            } else {
6772                                if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package "
6773                                        + pkg.packageName + " to old name " + origPackage.name);
6774                            }
6775                            break;
6776                        }
6777                    }
6778                }
6779            }
6780
6781            if (mTransferedPackages.contains(pkg.packageName)) {
6782                Slog.w(TAG, "Package " + pkg.packageName
6783                        + " was transferred to another, but its .apk remains");
6784            }
6785
6786            // Just create the setting, don't add it yet. For already existing packages
6787            // the PkgSetting exists already and doesn't have to be created.
6788            pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile,
6789                    destResourceFile, pkg.applicationInfo.nativeLibraryRootDir,
6790                    pkg.applicationInfo.primaryCpuAbi,
6791                    pkg.applicationInfo.secondaryCpuAbi,
6792                    pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags,
6793                    user, false);
6794            if (pkgSetting == null) {
6795                throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
6796                        "Creating application package " + pkg.packageName + " failed");
6797            }
6798
6799            if (pkgSetting.origPackage != null) {
6800                // If we are first transitioning from an original package,
6801                // fix up the new package's name now.  We need to do this after
6802                // looking up the package under its new name, so getPackageLP
6803                // can take care of fiddling things correctly.
6804                pkg.setPackageName(origPackage.name);
6805
6806                // File a report about this.
6807                String msg = "New package " + pkgSetting.realName
6808                        + " renamed to replace old package " + pkgSetting.name;
6809                reportSettingsProblem(Log.WARN, msg);
6810
6811                // Make a note of it.
6812                mTransferedPackages.add(origPackage.name);
6813
6814                // No longer need to retain this.
6815                pkgSetting.origPackage = null;
6816            }
6817
6818            if (realName != null) {
6819                // Make a note of it.
6820                mTransferedPackages.add(pkg.packageName);
6821            }
6822
6823            if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) {
6824                pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
6825            }
6826
6827            if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
6828                // Check all shared libraries and map to their actual file path.
6829                // We only do this here for apps not on a system dir, because those
6830                // are the only ones that can fail an install due to this.  We
6831                // will take care of the system apps by updating all of their
6832                // library paths after the scan is done.
6833                updateSharedLibrariesLPw(pkg, null);
6834            }
6835
6836            if (mFoundPolicyFile) {
6837                SELinuxMMAC.assignSeinfoValue(pkg);
6838            }
6839
6840            pkg.applicationInfo.uid = pkgSetting.appId;
6841            pkg.mExtras = pkgSetting;
6842            if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) {
6843                if (checkUpgradeKeySetLP(pkgSetting, pkg)) {
6844                    // We just determined the app is signed correctly, so bring
6845                    // over the latest parsed certs.
6846                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
6847                } else {
6848                    if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
6849                        throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
6850                                "Package " + pkg.packageName + " upgrade keys do not match the "
6851                                + "previously installed version");
6852                    } else {
6853                        pkgSetting.signatures.mSignatures = pkg.mSignatures;
6854                        String msg = "System package " + pkg.packageName
6855                            + " signature changed; retaining data.";
6856                        reportSettingsProblem(Log.WARN, msg);
6857                    }
6858                }
6859            } else {
6860                try {
6861                    verifySignaturesLP(pkgSetting, pkg);
6862                    // We just determined the app is signed correctly, so bring
6863                    // over the latest parsed certs.
6864                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
6865                } catch (PackageManagerException e) {
6866                    if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
6867                        throw e;
6868                    }
6869                    // The signature has changed, but this package is in the system
6870                    // image...  let's recover!
6871                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
6872                    // However...  if this package is part of a shared user, but it
6873                    // doesn't match the signature of the shared user, let's fail.
6874                    // What this means is that you can't change the signatures
6875                    // associated with an overall shared user, which doesn't seem all
6876                    // that unreasonable.
6877                    if (pkgSetting.sharedUser != null) {
6878                        if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
6879                                              pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) {
6880                            throw new PackageManagerException(
6881                                    INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES,
6882                                            "Signature mismatch for shared user : "
6883                                            + pkgSetting.sharedUser);
6884                        }
6885                    }
6886                    // File a report about this.
6887                    String msg = "System package " + pkg.packageName
6888                        + " signature changed; retaining data.";
6889                    reportSettingsProblem(Log.WARN, msg);
6890                }
6891            }
6892            // Verify that this new package doesn't have any content providers
6893            // that conflict with existing packages.  Only do this if the
6894            // package isn't already installed, since we don't want to break
6895            // things that are installed.
6896            if ((scanFlags & SCAN_NEW_INSTALL) != 0) {
6897                final int N = pkg.providers.size();
6898                int i;
6899                for (i=0; i<N; i++) {
6900                    PackageParser.Provider p = pkg.providers.get(i);
6901                    if (p.info.authority != null) {
6902                        String names[] = p.info.authority.split(";");
6903                        for (int j = 0; j < names.length; j++) {
6904                            if (mProvidersByAuthority.containsKey(names[j])) {
6905                                PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
6906                                final String otherPackageName =
6907                                        ((other != null && other.getComponentName() != null) ?
6908                                                other.getComponentName().getPackageName() : "?");
6909                                throw new PackageManagerException(
6910                                        INSTALL_FAILED_CONFLICTING_PROVIDER,
6911                                                "Can't install because provider name " + names[j]
6912                                                + " (in package " + pkg.applicationInfo.packageName
6913                                                + ") is already used by " + otherPackageName);
6914                            }
6915                        }
6916                    }
6917                }
6918            }
6919
6920            if (pkg.mAdoptPermissions != null) {
6921                // This package wants to adopt ownership of permissions from
6922                // another package.
6923                for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) {
6924                    final String origName = pkg.mAdoptPermissions.get(i);
6925                    final PackageSetting orig = mSettings.peekPackageLPr(origName);
6926                    if (orig != null) {
6927                        if (verifyPackageUpdateLPr(orig, pkg)) {
6928                            Slog.i(TAG, "Adopting permissions from " + origName + " to "
6929                                    + pkg.packageName);
6930                            mSettings.transferPermissionsLPw(origName, pkg.packageName);
6931                        }
6932                    }
6933                }
6934            }
6935        }
6936
6937        final String pkgName = pkg.packageName;
6938
6939        final long scanFileTime = scanFile.lastModified();
6940        final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0;
6941        pkg.applicationInfo.processName = fixProcessName(
6942                pkg.applicationInfo.packageName,
6943                pkg.applicationInfo.processName,
6944                pkg.applicationInfo.uid);
6945
6946        if (pkg != mPlatformPackage) {
6947            // This is a normal package, need to make its data directory.
6948            final File dataPath = Environment.getDataUserCredentialEncryptedPackageDirectory(
6949                    pkg.volumeUuid, UserHandle.USER_SYSTEM, pkg.packageName);
6950
6951            boolean uidError = false;
6952            if (dataPath.exists()) {
6953                int currentUid = 0;
6954                try {
6955                    StructStat stat = Os.stat(dataPath.getPath());
6956                    currentUid = stat.st_uid;
6957                } catch (ErrnoException e) {
6958                    Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e);
6959                }
6960
6961                // If we have mismatched owners for the data path, we have a problem.
6962                if (currentUid != pkg.applicationInfo.uid) {
6963                    boolean recovered = false;
6964                    if (currentUid == 0) {
6965                        // The directory somehow became owned by root.  Wow.
6966                        // This is probably because the system was stopped while
6967                        // installd was in the middle of messing with its libs
6968                        // directory.  Ask installd to fix that.
6969                        int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName,
6970                                pkg.applicationInfo.uid, pkg.applicationInfo.uid);
6971                        if (ret >= 0) {
6972                            recovered = true;
6973                            String msg = "Package " + pkg.packageName
6974                                    + " unexpectedly changed to uid 0; recovered to " +
6975                                    + pkg.applicationInfo.uid;
6976                            reportSettingsProblem(Log.WARN, msg);
6977                        }
6978                    }
6979                    if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
6980                            || (scanFlags&SCAN_BOOTING) != 0)) {
6981                        // If this is a system app, we can at least delete its
6982                        // current data so the application will still work.
6983                        int ret = removeDataDirsLI(pkg.volumeUuid, pkgName);
6984                        if (ret >= 0) {
6985                            // TODO: Kill the processes first
6986                            // Old data gone!
6987                            String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
6988                                    ? "System package " : "Third party package ";
6989                            String msg = prefix + pkg.packageName
6990                                    + " has changed from uid: "
6991                                    + currentUid + " to "
6992                                    + pkg.applicationInfo.uid + "; old data erased";
6993                            reportSettingsProblem(Log.WARN, msg);
6994                            recovered = true;
6995
6996                            // And now re-install the app.
6997                            ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid,
6998                                    pkg.applicationInfo.seinfo);
6999                            if (ret == -1) {
7000                                // Ack should not happen!
7001                                msg = prefix + pkg.packageName
7002                                        + " could not have data directory re-created after delete.";
7003                                reportSettingsProblem(Log.WARN, msg);
7004                                throw new PackageManagerException(
7005                                        INSTALL_FAILED_INSUFFICIENT_STORAGE, msg);
7006                            }
7007                        }
7008                        if (!recovered) {
7009                            mHasSystemUidErrors = true;
7010                        }
7011                    } else if (!recovered) {
7012                        // If we allow this install to proceed, we will be broken.
7013                        // Abort, abort!
7014                        throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED,
7015                                "scanPackageLI");
7016                    }
7017                    if (!recovered) {
7018                        pkg.applicationInfo.dataDir = "/mismatched_uid/settings_"
7019                            + pkg.applicationInfo.uid + "/fs_"
7020                            + currentUid;
7021                        pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir;
7022                        pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir;
7023                        String msg = "Package " + pkg.packageName
7024                                + " has mismatched uid: "
7025                                + currentUid + " on disk, "
7026                                + pkg.applicationInfo.uid + " in settings";
7027                        // writer
7028                        synchronized (mPackages) {
7029                            mSettings.mReadMessages.append(msg);
7030                            mSettings.mReadMessages.append('\n');
7031                            uidError = true;
7032                            if (!pkgSetting.uidError) {
7033                                reportSettingsProblem(Log.ERROR, msg);
7034                            }
7035                        }
7036                    }
7037                }
7038
7039                if (mShouldRestoreconData) {
7040                    Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued.");
7041                    mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName,
7042                            pkg.applicationInfo.seinfo, pkg.applicationInfo.uid);
7043                }
7044            } else {
7045                if (DEBUG_PACKAGE_SCANNING) {
7046                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
7047                        Log.v(TAG, "Want this data dir: " + dataPath);
7048                }
7049                //invoke installer to do the actual installation
7050                int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid,
7051                        pkg.applicationInfo.seinfo);
7052                if (ret < 0) {
7053                    // Error from installer
7054                    throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
7055                            "Unable to create data dirs [errorCode=" + ret + "]");
7056                }
7057            }
7058
7059            // Get all of our default paths setup
7060            pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM);
7061
7062            pkgSetting.uidError = uidError;
7063        }
7064
7065        final String path = scanFile.getPath();
7066        final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting);
7067
7068        if ((scanFlags & SCAN_NEW_INSTALL) == 0) {
7069            derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */);
7070
7071            // Some system apps still use directory structure for native libraries
7072            // in which case we might end up not detecting abi solely based on apk
7073            // structure. Try to detect abi based on directory structure.
7074            if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() &&
7075                    pkg.applicationInfo.primaryCpuAbi == null) {
7076                setBundledAppAbisAndRoots(pkg, pkgSetting);
7077                setNativeLibraryPaths(pkg);
7078            }
7079
7080        } else {
7081            if ((scanFlags & SCAN_MOVE) != 0) {
7082                // We haven't run dex-opt for this move (since we've moved the compiled output too)
7083                // but we already have this packages package info in the PackageSetting. We just
7084                // use that and derive the native library path based on the new codepath.
7085                pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString;
7086                pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString;
7087            }
7088
7089            // Set native library paths again. For moves, the path will be updated based on the
7090            // ABIs we've determined above. For non-moves, the path will be updated based on the
7091            // ABIs we determined during compilation, but the path will depend on the final
7092            // package path (after the rename away from the stage path).
7093            setNativeLibraryPaths(pkg);
7094        }
7095
7096        if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path);
7097        final int[] userIds = sUserManager.getUserIds();
7098        synchronized (mInstallLock) {
7099            // Make sure all user data directories are ready to roll; we're okay
7100            // if they already exist
7101            if (!TextUtils.isEmpty(pkg.volumeUuid)) {
7102                for (int userId : userIds) {
7103                    if (userId != UserHandle.USER_SYSTEM) {
7104                        mInstaller.createUserData(pkg.volumeUuid, pkg.packageName,
7105                                UserHandle.getUid(userId, pkg.applicationInfo.uid), userId,
7106                                pkg.applicationInfo.seinfo);
7107                    }
7108                }
7109            }
7110
7111            // Create a native library symlink only if we have native libraries
7112            // and if the native libraries are 32 bit libraries. We do not provide
7113            // this symlink for 64 bit libraries.
7114            if (pkg.applicationInfo.primaryCpuAbi != null &&
7115                    !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
7116                Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "linkNativeLib");
7117                try {
7118                    final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
7119                    for (int userId : userIds) {
7120                        if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName,
7121                                nativeLibPath, userId) < 0) {
7122                            throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
7123                                    "Failed linking native library dir (user=" + userId + ")");
7124                        }
7125                    }
7126                } finally {
7127                    Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
7128                }
7129            }
7130        }
7131
7132        // This is a special case for the "system" package, where the ABI is
7133        // dictated by the zygote configuration (and init.rc). We should keep track
7134        // of this ABI so that we can deal with "normal" applications that run under
7135        // the same UID correctly.
7136        if (mPlatformPackage == pkg) {
7137            pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ?
7138                    Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0];
7139        }
7140
7141        // If there's a mismatch between the abi-override in the package setting
7142        // and the abiOverride specified for the install. Warn about this because we
7143        // would've already compiled the app without taking the package setting into
7144        // account.
7145        if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) {
7146            if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) {
7147                Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride +
7148                        " for package: " + pkg.packageName);
7149            }
7150        }
7151
7152        pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
7153        pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
7154        pkgSetting.cpuAbiOverrideString = cpuAbiOverride;
7155
7156        // Copy the derived override back to the parsed package, so that we can
7157        // update the package settings accordingly.
7158        pkg.cpuAbiOverride = cpuAbiOverride;
7159
7160        if (DEBUG_ABI_SELECTION) {
7161            Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName
7162                    + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa="
7163                    + pkg.applicationInfo.nativeLibraryRootRequiresIsa);
7164        }
7165
7166        // Push the derived path down into PackageSettings so we know what to
7167        // clean up at uninstall time.
7168        pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir;
7169
7170        if (DEBUG_ABI_SELECTION) {
7171            Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" +
7172                    " primary=" + pkg.applicationInfo.primaryCpuAbi +
7173                    " secondary=" + pkg.applicationInfo.secondaryCpuAbi);
7174        }
7175
7176        if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) {
7177            // We don't do this here during boot because we can do it all
7178            // at once after scanning all existing packages.
7179            //
7180            // We also do this *before* we perform dexopt on this package, so that
7181            // we can avoid redundant dexopts, and also to make sure we've got the
7182            // code and package path correct.
7183            adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages,
7184                    pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, true /* boot complete */);
7185        }
7186
7187        if ((scanFlags & SCAN_NO_DEX) == 0) {
7188            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt");
7189
7190            int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */,
7191                    forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */,
7192                    (scanFlags & SCAN_BOOTING) == 0, false /*useJit*/);
7193
7194            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
7195            if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
7196                throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI");
7197            }
7198        }
7199        if (mFactoryTest && pkg.requestedPermissions.contains(
7200                android.Manifest.permission.FACTORY_TEST)) {
7201            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST;
7202        }
7203
7204        ArrayList<PackageParser.Package> clientLibPkgs = null;
7205
7206        // writer
7207        synchronized (mPackages) {
7208            if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
7209                // Only system apps can add new shared libraries.
7210                if (pkg.libraryNames != null) {
7211                    for (int i=0; i<pkg.libraryNames.size(); i++) {
7212                        String name = pkg.libraryNames.get(i);
7213                        boolean allowed = false;
7214                        if (pkg.isUpdatedSystemApp()) {
7215                            // New library entries can only be added through the
7216                            // system image.  This is important to get rid of a lot
7217                            // of nasty edge cases: for example if we allowed a non-
7218                            // system update of the app to add a library, then uninstalling
7219                            // the update would make the library go away, and assumptions
7220                            // we made such as through app install filtering would now
7221                            // have allowed apps on the device which aren't compatible
7222                            // with it.  Better to just have the restriction here, be
7223                            // conservative, and create many fewer cases that can negatively
7224                            // impact the user experience.
7225                            final PackageSetting sysPs = mSettings
7226                                    .getDisabledSystemPkgLPr(pkg.packageName);
7227                            if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) {
7228                                for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) {
7229                                    if (name.equals(sysPs.pkg.libraryNames.get(j))) {
7230                                        allowed = true;
7231                                        break;
7232                                    }
7233                                }
7234                            }
7235                        } else {
7236                            allowed = true;
7237                        }
7238                        if (allowed) {
7239                            if (!mSharedLibraries.containsKey(name)) {
7240                                mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName));
7241                            } else if (!name.equals(pkg.packageName)) {
7242                                Slog.w(TAG, "Package " + pkg.packageName + " library "
7243                                        + name + " already exists; skipping");
7244                            }
7245                        } else {
7246                            Slog.w(TAG, "Package " + pkg.packageName + " declares lib "
7247                                    + name + " that is not declared on system image; skipping");
7248                        }
7249                    }
7250                    if ((scanFlags&SCAN_BOOTING) == 0) {
7251                        // If we are not booting, we need to update any applications
7252                        // that are clients of our shared library.  If we are booting,
7253                        // this will all be done once the scan is complete.
7254                        clientLibPkgs = updateAllSharedLibrariesLPw(pkg);
7255                    }
7256                }
7257            }
7258        }
7259
7260        // We also need to dexopt any apps that are dependent on this library.  Note that
7261        // if these fail, we should abort the install since installing the library will
7262        // result in some apps being broken.
7263        Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt");
7264        try {
7265            if (clientLibPkgs != null) {
7266                if ((scanFlags & SCAN_NO_DEX) == 0) {
7267                    for (int i = 0; i < clientLibPkgs.size(); i++) {
7268                        PackageParser.Package clientPkg = clientLibPkgs.get(i);
7269                        int result = mPackageDexOptimizer.performDexOpt(clientPkg,
7270                                null /* instruction sets */, forceDex,
7271                                (scanFlags & SCAN_DEFER_DEX) != 0, false,
7272                                (scanFlags & SCAN_BOOTING) == 0, false /*useJit*/);
7273                        if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
7274                            throw new PackageManagerException(INSTALL_FAILED_DEXOPT,
7275                                    "scanPackageLI failed to dexopt clientLibPkgs");
7276                        }
7277                    }
7278                }
7279            }
7280        } finally {
7281            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
7282        }
7283
7284        // Request the ActivityManager to kill the process(only for existing packages)
7285        // so that we do not end up in a confused state while the user is still using the older
7286        // version of the application while the new one gets installed.
7287        if ((scanFlags & SCAN_REPLACING) != 0) {
7288            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication");
7289
7290            killApplication(pkg.applicationInfo.packageName,
7291                        pkg.applicationInfo.uid, "replace pkg");
7292
7293            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
7294        }
7295
7296        // Also need to kill any apps that are dependent on the library.
7297        if (clientLibPkgs != null) {
7298            for (int i=0; i<clientLibPkgs.size(); i++) {
7299                PackageParser.Package clientPkg = clientLibPkgs.get(i);
7300                killApplication(clientPkg.applicationInfo.packageName,
7301                        clientPkg.applicationInfo.uid, "update lib");
7302            }
7303        }
7304
7305        // Make sure we're not adding any bogus keyset info
7306        KeySetManagerService ksms = mSettings.mKeySetManagerService;
7307        ksms.assertScannedPackageValid(pkg);
7308
7309        // writer
7310        Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings");
7311
7312        boolean createIdmapFailed = false;
7313        synchronized (mPackages) {
7314            // We don't expect installation to fail beyond this point
7315
7316            // Add the new setting to mSettings
7317            mSettings.insertPackageSettingLPw(pkgSetting, pkg);
7318            // Add the new setting to mPackages
7319            mPackages.put(pkg.applicationInfo.packageName, pkg);
7320            // Make sure we don't accidentally delete its data.
7321            final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator();
7322            while (iter.hasNext()) {
7323                PackageCleanItem item = iter.next();
7324                if (pkgName.equals(item.packageName)) {
7325                    iter.remove();
7326                }
7327            }
7328
7329            // Take care of first install / last update times.
7330            if (currentTime != 0) {
7331                if (pkgSetting.firstInstallTime == 0) {
7332                    pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime;
7333                } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) {
7334                    pkgSetting.lastUpdateTime = currentTime;
7335                }
7336            } else if (pkgSetting.firstInstallTime == 0) {
7337                // We need *something*.  Take time time stamp of the file.
7338                pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime;
7339            } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) {
7340                if (scanFileTime != pkgSetting.timeStamp) {
7341                    // A package on the system image has changed; consider this
7342                    // to be an update.
7343                    pkgSetting.lastUpdateTime = scanFileTime;
7344                }
7345            }
7346
7347            // Add the package's KeySets to the global KeySetManagerService
7348            ksms.addScannedPackageLPw(pkg);
7349
7350            int N = pkg.providers.size();
7351            StringBuilder r = null;
7352            int i;
7353            for (i=0; i<N; i++) {
7354                PackageParser.Provider p = pkg.providers.get(i);
7355                p.info.processName = fixProcessName(pkg.applicationInfo.processName,
7356                        p.info.processName, pkg.applicationInfo.uid);
7357                mProviders.addProvider(p);
7358                p.syncable = p.info.isSyncable;
7359                if (p.info.authority != null) {
7360                    String names[] = p.info.authority.split(";");
7361                    p.info.authority = null;
7362                    for (int j = 0; j < names.length; j++) {
7363                        if (j == 1 && p.syncable) {
7364                            // We only want the first authority for a provider to possibly be
7365                            // syncable, so if we already added this provider using a different
7366                            // authority clear the syncable flag. We copy the provider before
7367                            // changing it because the mProviders object contains a reference
7368                            // to a provider that we don't want to change.
7369                            // Only do this for the second authority since the resulting provider
7370                            // object can be the same for all future authorities for this provider.
7371                            p = new PackageParser.Provider(p);
7372                            p.syncable = false;
7373                        }
7374                        if (!mProvidersByAuthority.containsKey(names[j])) {
7375                            mProvidersByAuthority.put(names[j], p);
7376                            if (p.info.authority == null) {
7377                                p.info.authority = names[j];
7378                            } else {
7379                                p.info.authority = p.info.authority + ";" + names[j];
7380                            }
7381                            if (DEBUG_PACKAGE_SCANNING) {
7382                                if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
7383                                    Log.d(TAG, "Registered content provider: " + names[j]
7384                                            + ", className = " + p.info.name + ", isSyncable = "
7385                                            + p.info.isSyncable);
7386                            }
7387                        } else {
7388                            PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
7389                            Slog.w(TAG, "Skipping provider name " + names[j] +
7390                                    " (in package " + pkg.applicationInfo.packageName +
7391                                    "): name already used by "
7392                                    + ((other != null && other.getComponentName() != null)
7393                                            ? other.getComponentName().getPackageName() : "?"));
7394                        }
7395                    }
7396                }
7397                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
7398                    if (r == null) {
7399                        r = new StringBuilder(256);
7400                    } else {
7401                        r.append(' ');
7402                    }
7403                    r.append(p.info.name);
7404                }
7405            }
7406            if (r != null) {
7407                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Providers: " + r);
7408            }
7409
7410            N = pkg.services.size();
7411            r = null;
7412            for (i=0; i<N; i++) {
7413                PackageParser.Service s = pkg.services.get(i);
7414                s.info.processName = fixProcessName(pkg.applicationInfo.processName,
7415                        s.info.processName, pkg.applicationInfo.uid);
7416                mServices.addService(s);
7417                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
7418                    if (r == null) {
7419                        r = new StringBuilder(256);
7420                    } else {
7421                        r.append(' ');
7422                    }
7423                    r.append(s.info.name);
7424                }
7425            }
7426            if (r != null) {
7427                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Services: " + r);
7428            }
7429
7430            N = pkg.receivers.size();
7431            r = null;
7432            for (i=0; i<N; i++) {
7433                PackageParser.Activity a = pkg.receivers.get(i);
7434                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
7435                        a.info.processName, pkg.applicationInfo.uid);
7436                mReceivers.addActivity(a, "receiver");
7437                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
7438                    if (r == null) {
7439                        r = new StringBuilder(256);
7440                    } else {
7441                        r.append(' ');
7442                    }
7443                    r.append(a.info.name);
7444                }
7445            }
7446            if (r != null) {
7447                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Receivers: " + r);
7448            }
7449
7450            N = pkg.activities.size();
7451            r = null;
7452            for (i=0; i<N; i++) {
7453                PackageParser.Activity a = pkg.activities.get(i);
7454                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
7455                        a.info.processName, pkg.applicationInfo.uid);
7456                mActivities.addActivity(a, "activity");
7457                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
7458                    if (r == null) {
7459                        r = new StringBuilder(256);
7460                    } else {
7461                        r.append(' ');
7462                    }
7463                    r.append(a.info.name);
7464                }
7465            }
7466            if (r != null) {
7467                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Activities: " + r);
7468            }
7469
7470            N = pkg.permissionGroups.size();
7471            r = null;
7472            for (i=0; i<N; i++) {
7473                PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i);
7474                PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name);
7475                if (cur == null) {
7476                    mPermissionGroups.put(pg.info.name, pg);
7477                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
7478                        if (r == null) {
7479                            r = new StringBuilder(256);
7480                        } else {
7481                            r.append(' ');
7482                        }
7483                        r.append(pg.info.name);
7484                    }
7485                } else {
7486                    Slog.w(TAG, "Permission group " + pg.info.name + " from package "
7487                            + pg.info.packageName + " ignored: original from "
7488                            + cur.info.packageName);
7489                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
7490                        if (r == null) {
7491                            r = new StringBuilder(256);
7492                        } else {
7493                            r.append(' ');
7494                        }
7495                        r.append("DUP:");
7496                        r.append(pg.info.name);
7497                    }
7498                }
7499            }
7500            if (r != null) {
7501                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permission Groups: " + r);
7502            }
7503
7504            N = pkg.permissions.size();
7505            r = null;
7506            for (i=0; i<N; i++) {
7507                PackageParser.Permission p = pkg.permissions.get(i);
7508
7509                // Assume by default that we did not install this permission into the system.
7510                p.info.flags &= ~PermissionInfo.FLAG_INSTALLED;
7511
7512                // Now that permission groups have a special meaning, we ignore permission
7513                // groups for legacy apps to prevent unexpected behavior. In particular,
7514                // permissions for one app being granted to someone just becuase they happen
7515                // to be in a group defined by another app (before this had no implications).
7516                if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) {
7517                    p.group = mPermissionGroups.get(p.info.group);
7518                    // Warn for a permission in an unknown group.
7519                    if (p.info.group != null && p.group == null) {
7520                        Slog.w(TAG, "Permission " + p.info.name + " from package "
7521                                + p.info.packageName + " in an unknown group " + p.info.group);
7522                    }
7523                }
7524
7525                ArrayMap<String, BasePermission> permissionMap =
7526                        p.tree ? mSettings.mPermissionTrees
7527                                : mSettings.mPermissions;
7528                BasePermission bp = permissionMap.get(p.info.name);
7529
7530                // Allow system apps to redefine non-system permissions
7531                if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) {
7532                    final boolean currentOwnerIsSystem = (bp.perm != null
7533                            && isSystemApp(bp.perm.owner));
7534                    if (isSystemApp(p.owner)) {
7535                        if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) {
7536                            // It's a built-in permission and no owner, take ownership now
7537                            bp.packageSetting = pkgSetting;
7538                            bp.perm = p;
7539                            bp.uid = pkg.applicationInfo.uid;
7540                            bp.sourcePackage = p.info.packageName;
7541                            p.info.flags |= PermissionInfo.FLAG_INSTALLED;
7542                        } else if (!currentOwnerIsSystem) {
7543                            String msg = "New decl " + p.owner + " of permission  "
7544                                    + p.info.name + " is system; overriding " + bp.sourcePackage;
7545                            reportSettingsProblem(Log.WARN, msg);
7546                            bp = null;
7547                        }
7548                    }
7549                }
7550
7551                if (bp == null) {
7552                    bp = new BasePermission(p.info.name, p.info.packageName,
7553                            BasePermission.TYPE_NORMAL);
7554                    permissionMap.put(p.info.name, bp);
7555                }
7556
7557                if (bp.perm == null) {
7558                    if (bp.sourcePackage == null
7559                            || bp.sourcePackage.equals(p.info.packageName)) {
7560                        BasePermission tree = findPermissionTreeLP(p.info.name);
7561                        if (tree == null
7562                                || tree.sourcePackage.equals(p.info.packageName)) {
7563                            bp.packageSetting = pkgSetting;
7564                            bp.perm = p;
7565                            bp.uid = pkg.applicationInfo.uid;
7566                            bp.sourcePackage = p.info.packageName;
7567                            p.info.flags |= PermissionInfo.FLAG_INSTALLED;
7568                            if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
7569                                if (r == null) {
7570                                    r = new StringBuilder(256);
7571                                } else {
7572                                    r.append(' ');
7573                                }
7574                                r.append(p.info.name);
7575                            }
7576                        } else {
7577                            Slog.w(TAG, "Permission " + p.info.name + " from package "
7578                                    + p.info.packageName + " ignored: base tree "
7579                                    + tree.name + " is from package "
7580                                    + tree.sourcePackage);
7581                        }
7582                    } else {
7583                        Slog.w(TAG, "Permission " + p.info.name + " from package "
7584                                + p.info.packageName + " ignored: original from "
7585                                + bp.sourcePackage);
7586                    }
7587                } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
7588                    if (r == null) {
7589                        r = new StringBuilder(256);
7590                    } else {
7591                        r.append(' ');
7592                    }
7593                    r.append("DUP:");
7594                    r.append(p.info.name);
7595                }
7596                if (bp.perm == p) {
7597                    bp.protectionLevel = p.info.protectionLevel;
7598                }
7599            }
7600
7601            if (r != null) {
7602                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permissions: " + r);
7603            }
7604
7605            N = pkg.instrumentation.size();
7606            r = null;
7607            for (i=0; i<N; i++) {
7608                PackageParser.Instrumentation a = pkg.instrumentation.get(i);
7609                a.info.packageName = pkg.applicationInfo.packageName;
7610                a.info.sourceDir = pkg.applicationInfo.sourceDir;
7611                a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir;
7612                a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs;
7613                a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs;
7614                a.info.dataDir = pkg.applicationInfo.dataDir;
7615                a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir;
7616                a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir;
7617
7618                // TODO: Update instrumentation.nativeLibraryDir as well ? Does it
7619                // need other information about the application, like the ABI and what not ?
7620                a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir;
7621                mInstrumentation.put(a.getComponentName(), a);
7622                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
7623                    if (r == null) {
7624                        r = new StringBuilder(256);
7625                    } else {
7626                        r.append(' ');
7627                    }
7628                    r.append(a.info.name);
7629                }
7630            }
7631            if (r != null) {
7632                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Instrumentation: " + r);
7633            }
7634
7635            if (pkg.protectedBroadcasts != null) {
7636                N = pkg.protectedBroadcasts.size();
7637                for (i=0; i<N; i++) {
7638                    mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i));
7639                }
7640            }
7641
7642            pkgSetting.setTimeStamp(scanFileTime);
7643
7644            // Create idmap files for pairs of (packages, overlay packages).
7645            // Note: "android", ie framework-res.apk, is handled by native layers.
7646            if (pkg.mOverlayTarget != null) {
7647                // This is an overlay package.
7648                if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) {
7649                    if (!mOverlays.containsKey(pkg.mOverlayTarget)) {
7650                        mOverlays.put(pkg.mOverlayTarget,
7651                                new ArrayMap<String, PackageParser.Package>());
7652                    }
7653                    ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget);
7654                    map.put(pkg.packageName, pkg);
7655                    PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget);
7656                    if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) {
7657                        createIdmapFailed = true;
7658                    }
7659                }
7660            } else if (mOverlays.containsKey(pkg.packageName) &&
7661                    !pkg.packageName.equals("android")) {
7662                // This is a regular package, with one or more known overlay packages.
7663                createIdmapsForPackageLI(pkg);
7664            }
7665        }
7666
7667        Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
7668
7669        if (createIdmapFailed) {
7670            throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
7671                    "scanPackageLI failed to createIdmap");
7672        }
7673        return pkg;
7674    }
7675
7676    /**
7677     * Derive the ABI of a non-system package located at {@code scanFile}. This information
7678     * is derived purely on the basis of the contents of {@code scanFile} and
7679     * {@code cpuAbiOverride}.
7680     *
7681     * If {@code extractLibs} is true, native libraries are extracted from the app if required.
7682     */
7683    public void derivePackageAbi(PackageParser.Package pkg, File scanFile,
7684                                 String cpuAbiOverride, boolean extractLibs)
7685            throws PackageManagerException {
7686        // TODO: We can probably be smarter about this stuff. For installed apps,
7687        // we can calculate this information at install time once and for all. For
7688        // system apps, we can probably assume that this information doesn't change
7689        // after the first boot scan. As things stand, we do lots of unnecessary work.
7690
7691        // Give ourselves some initial paths; we'll come back for another
7692        // pass once we've determined ABI below.
7693        setNativeLibraryPaths(pkg);
7694
7695        // We would never need to extract libs for forward-locked and external packages,
7696        // since the container service will do it for us. We shouldn't attempt to
7697        // extract libs from system app when it was not updated.
7698        if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() ||
7699                (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) {
7700            extractLibs = false;
7701        }
7702
7703        final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir;
7704        final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa;
7705
7706        NativeLibraryHelper.Handle handle = null;
7707        try {
7708            handle = NativeLibraryHelper.Handle.create(pkg);
7709            // TODO(multiArch): This can be null for apps that didn't go through the
7710            // usual installation process. We can calculate it again, like we
7711            // do during install time.
7712            //
7713            // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally
7714            // unnecessary.
7715            final File nativeLibraryRoot = new File(nativeLibraryRootStr);
7716
7717            // Null out the abis so that they can be recalculated.
7718            pkg.applicationInfo.primaryCpuAbi = null;
7719            pkg.applicationInfo.secondaryCpuAbi = null;
7720            if (isMultiArch(pkg.applicationInfo)) {
7721                // Warn if we've set an abiOverride for multi-lib packages..
7722                // By definition, we need to copy both 32 and 64 bit libraries for
7723                // such packages.
7724                if (pkg.cpuAbiOverride != null
7725                        && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) {
7726                    Slog.w(TAG, "Ignoring abiOverride for multi arch application.");
7727                }
7728
7729                int abi32 = PackageManager.NO_NATIVE_LIBRARIES;
7730                int abi64 = PackageManager.NO_NATIVE_LIBRARIES;
7731                if (Build.SUPPORTED_32_BIT_ABIS.length > 0) {
7732                    if (extractLibs) {
7733                        abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
7734                                nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS,
7735                                useIsaSpecificSubdirs);
7736                    } else {
7737                        abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS);
7738                    }
7739                }
7740
7741                maybeThrowExceptionForMultiArchCopy(
7742                        "Error unpackaging 32 bit native libs for multiarch app.", abi32);
7743
7744                if (Build.SUPPORTED_64_BIT_ABIS.length > 0) {
7745                    if (extractLibs) {
7746                        abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
7747                                nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS,
7748                                useIsaSpecificSubdirs);
7749                    } else {
7750                        abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS);
7751                    }
7752                }
7753
7754                maybeThrowExceptionForMultiArchCopy(
7755                        "Error unpackaging 64 bit native libs for multiarch app.", abi64);
7756
7757                if (abi64 >= 0) {
7758                    pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64];
7759                }
7760
7761                if (abi32 >= 0) {
7762                    final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32];
7763                    if (abi64 >= 0) {
7764                        pkg.applicationInfo.secondaryCpuAbi = abi;
7765                    } else {
7766                        pkg.applicationInfo.primaryCpuAbi = abi;
7767                    }
7768                }
7769            } else {
7770                String[] abiList = (cpuAbiOverride != null) ?
7771                        new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS;
7772
7773                // Enable gross and lame hacks for apps that are built with old
7774                // SDK tools. We must scan their APKs for renderscript bitcode and
7775                // not launch them if it's present. Don't bother checking on devices
7776                // that don't have 64 bit support.
7777                boolean needsRenderScriptOverride = false;
7778                if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null &&
7779                        NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
7780                    abiList = Build.SUPPORTED_32_BIT_ABIS;
7781                    needsRenderScriptOverride = true;
7782                }
7783
7784                final int copyRet;
7785                if (extractLibs) {
7786                    copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
7787                            nativeLibraryRoot, abiList, useIsaSpecificSubdirs);
7788                } else {
7789                    copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList);
7790                }
7791
7792                if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) {
7793                    throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
7794                            "Error unpackaging native libs for app, errorCode=" + copyRet);
7795                }
7796
7797                if (copyRet >= 0) {
7798                    pkg.applicationInfo.primaryCpuAbi = abiList[copyRet];
7799                } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) {
7800                    pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride;
7801                } else if (needsRenderScriptOverride) {
7802                    pkg.applicationInfo.primaryCpuAbi = abiList[0];
7803                }
7804            }
7805        } catch (IOException ioe) {
7806            Slog.e(TAG, "Unable to get canonical file " + ioe.toString());
7807        } finally {
7808            IoUtils.closeQuietly(handle);
7809        }
7810
7811        // Now that we've calculated the ABIs and determined if it's an internal app,
7812        // we will go ahead and populate the nativeLibraryPath.
7813        setNativeLibraryPaths(pkg);
7814    }
7815
7816    /**
7817     * Adjusts ABIs for a set of packages belonging to a shared user so that they all match.
7818     * i.e, so that all packages can be run inside a single process if required.
7819     *
7820     * Optionally, callers can pass in a parsed package via {@code newPackage} in which case
7821     * this function will either try and make the ABI for all packages in {@code packagesForUser}
7822     * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match
7823     * the ABI selected for {@code packagesForUser}. This variant is used when installing or
7824     * updating a package that belongs to a shared user.
7825     *
7826     * NOTE: We currently only match for the primary CPU abi string. Matching the secondary
7827     * adds unnecessary complexity.
7828     */
7829    private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser,
7830            PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt,
7831            boolean bootComplete) {
7832        String requiredInstructionSet = null;
7833        if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) {
7834            requiredInstructionSet = VMRuntime.getInstructionSet(
7835                     scannedPackage.applicationInfo.primaryCpuAbi);
7836        }
7837
7838        PackageSetting requirer = null;
7839        for (PackageSetting ps : packagesForUser) {
7840            // If packagesForUser contains scannedPackage, we skip it. This will happen
7841            // when scannedPackage is an update of an existing package. Without this check,
7842            // we will never be able to change the ABI of any package belonging to a shared
7843            // user, even if it's compatible with other packages.
7844            if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
7845                if (ps.primaryCpuAbiString == null) {
7846                    continue;
7847                }
7848
7849                final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString);
7850                if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) {
7851                    // We have a mismatch between instruction sets (say arm vs arm64) warn about
7852                    // this but there's not much we can do.
7853                    String errorMessage = "Instruction set mismatch, "
7854                            + ((requirer == null) ? "[caller]" : requirer)
7855                            + " requires " + requiredInstructionSet + " whereas " + ps
7856                            + " requires " + instructionSet;
7857                    Slog.w(TAG, errorMessage);
7858                }
7859
7860                if (requiredInstructionSet == null) {
7861                    requiredInstructionSet = instructionSet;
7862                    requirer = ps;
7863                }
7864            }
7865        }
7866
7867        if (requiredInstructionSet != null) {
7868            String adjustedAbi;
7869            if (requirer != null) {
7870                // requirer != null implies that either scannedPackage was null or that scannedPackage
7871                // did not require an ABI, in which case we have to adjust scannedPackage to match
7872                // the ABI of the set (which is the same as requirer's ABI)
7873                adjustedAbi = requirer.primaryCpuAbiString;
7874                if (scannedPackage != null) {
7875                    scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi;
7876                }
7877            } else {
7878                // requirer == null implies that we're updating all ABIs in the set to
7879                // match scannedPackage.
7880                adjustedAbi =  scannedPackage.applicationInfo.primaryCpuAbi;
7881            }
7882
7883            for (PackageSetting ps : packagesForUser) {
7884                if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
7885                    if (ps.primaryCpuAbiString != null) {
7886                        continue;
7887                    }
7888
7889                    ps.primaryCpuAbiString = adjustedAbi;
7890                    if (ps.pkg != null && ps.pkg.applicationInfo != null) {
7891                        ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi;
7892                        Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi);
7893
7894                        Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt");
7895
7896                        int result = mPackageDexOptimizer.performDexOpt(ps.pkg,
7897                                null /* instruction sets */, forceDexOpt, deferDexOpt, true,
7898                                bootComplete, false /*useJit*/);
7899
7900                        Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
7901                        if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
7902                            ps.primaryCpuAbiString = null;
7903                            ps.pkg.applicationInfo.primaryCpuAbi = null;
7904                            return;
7905                        } else {
7906                            mInstaller.rmdex(ps.codePathString,
7907                                    getDexCodeInstructionSet(getPreferredInstructionSet()));
7908                        }
7909                    }
7910                }
7911            }
7912        }
7913    }
7914
7915    private void setUpCustomResolverActivity(PackageParser.Package pkg) {
7916        synchronized (mPackages) {
7917            mResolverReplaced = true;
7918            // Set up information for custom user intent resolution activity.
7919            mResolveActivity.applicationInfo = pkg.applicationInfo;
7920            mResolveActivity.name = mCustomResolverComponentName.getClassName();
7921            mResolveActivity.packageName = pkg.applicationInfo.packageName;
7922            mResolveActivity.processName = pkg.applicationInfo.packageName;
7923            mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
7924            mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS |
7925                    ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS;
7926            mResolveActivity.theme = 0;
7927            mResolveActivity.exported = true;
7928            mResolveActivity.enabled = true;
7929            mResolveInfo.activityInfo = mResolveActivity;
7930            mResolveInfo.priority = 0;
7931            mResolveInfo.preferredOrder = 0;
7932            mResolveInfo.match = 0;
7933            mResolveComponentName = mCustomResolverComponentName;
7934            Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " +
7935                    mResolveComponentName);
7936        }
7937    }
7938
7939    private static String calculateBundledApkRoot(final String codePathString) {
7940        final File codePath = new File(codePathString);
7941        final File codeRoot;
7942        if (FileUtils.contains(Environment.getRootDirectory(), codePath)) {
7943            codeRoot = Environment.getRootDirectory();
7944        } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) {
7945            codeRoot = Environment.getOemDirectory();
7946        } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) {
7947            codeRoot = Environment.getVendorDirectory();
7948        } else {
7949            // Unrecognized code path; take its top real segment as the apk root:
7950            // e.g. /something/app/blah.apk => /something
7951            try {
7952                File f = codePath.getCanonicalFile();
7953                File parent = f.getParentFile();    // non-null because codePath is a file
7954                File tmp;
7955                while ((tmp = parent.getParentFile()) != null) {
7956                    f = parent;
7957                    parent = tmp;
7958                }
7959                codeRoot = f;
7960                Slog.w(TAG, "Unrecognized code path "
7961                        + codePath + " - using " + codeRoot);
7962            } catch (IOException e) {
7963                // Can't canonicalize the code path -- shenanigans?
7964                Slog.w(TAG, "Can't canonicalize code path " + codePath);
7965                return Environment.getRootDirectory().getPath();
7966            }
7967        }
7968        return codeRoot.getPath();
7969    }
7970
7971    /**
7972     * Derive and set the location of native libraries for the given package,
7973     * which varies depending on where and how the package was installed.
7974     */
7975    private void setNativeLibraryPaths(PackageParser.Package pkg) {
7976        final ApplicationInfo info = pkg.applicationInfo;
7977        final String codePath = pkg.codePath;
7978        final File codeFile = new File(codePath);
7979        final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp();
7980        final boolean asecApp = info.isForwardLocked() || info.isExternalAsec();
7981
7982        info.nativeLibraryRootDir = null;
7983        info.nativeLibraryRootRequiresIsa = false;
7984        info.nativeLibraryDir = null;
7985        info.secondaryNativeLibraryDir = null;
7986
7987        if (isApkFile(codeFile)) {
7988            // Monolithic install
7989            if (bundledApp) {
7990                // If "/system/lib64/apkname" exists, assume that is the per-package
7991                // native library directory to use; otherwise use "/system/lib/apkname".
7992                final String apkRoot = calculateBundledApkRoot(info.sourceDir);
7993                final boolean is64Bit = VMRuntime.is64BitInstructionSet(
7994                        getPrimaryInstructionSet(info));
7995
7996                // This is a bundled system app so choose the path based on the ABI.
7997                // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this
7998                // is just the default path.
7999                final String apkName = deriveCodePathName(codePath);
8000                final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME;
8001                info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir,
8002                        apkName).getAbsolutePath();
8003
8004                if (info.secondaryCpuAbi != null) {
8005                    final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME;
8006                    info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot),
8007                            secondaryLibDir, apkName).getAbsolutePath();
8008                }
8009            } else if (asecApp) {
8010                info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME)
8011                        .getAbsolutePath();
8012            } else {
8013                final String apkName = deriveCodePathName(codePath);
8014                info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName)
8015                        .getAbsolutePath();
8016            }
8017
8018            info.nativeLibraryRootRequiresIsa = false;
8019            info.nativeLibraryDir = info.nativeLibraryRootDir;
8020        } else {
8021            // Cluster install
8022            info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath();
8023            info.nativeLibraryRootRequiresIsa = true;
8024
8025            info.nativeLibraryDir = new File(info.nativeLibraryRootDir,
8026                    getPrimaryInstructionSet(info)).getAbsolutePath();
8027
8028            if (info.secondaryCpuAbi != null) {
8029                info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir,
8030                        VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath();
8031            }
8032        }
8033    }
8034
8035    /**
8036     * Calculate the abis and roots for a bundled app. These can uniquely
8037     * be determined from the contents of the system partition, i.e whether
8038     * it contains 64 or 32 bit shared libraries etc. We do not validate any
8039     * of this information, and instead assume that the system was built
8040     * sensibly.
8041     */
8042    private void setBundledAppAbisAndRoots(PackageParser.Package pkg,
8043                                           PackageSetting pkgSetting) {
8044        final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath());
8045
8046        // If "/system/lib64/apkname" exists, assume that is the per-package
8047        // native library directory to use; otherwise use "/system/lib/apkname".
8048        final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir);
8049        setBundledAppAbi(pkg, apkRoot, apkName);
8050        // pkgSetting might be null during rescan following uninstall of updates
8051        // to a bundled app, so accommodate that possibility.  The settings in
8052        // that case will be established later from the parsed package.
8053        //
8054        // If the settings aren't null, sync them up with what we've just derived.
8055        // note that apkRoot isn't stored in the package settings.
8056        if (pkgSetting != null) {
8057            pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
8058            pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
8059        }
8060    }
8061
8062    /**
8063     * Deduces the ABI of a bundled app and sets the relevant fields on the
8064     * parsed pkg object.
8065     *
8066     * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem}
8067     *        under which system libraries are installed.
8068     * @param apkName the name of the installed package.
8069     */
8070    private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) {
8071        final File codeFile = new File(pkg.codePath);
8072
8073        final boolean has64BitLibs;
8074        final boolean has32BitLibs;
8075        if (isApkFile(codeFile)) {
8076            // Monolithic install
8077            has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists();
8078            has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists();
8079        } else {
8080            // Cluster install
8081            final File rootDir = new File(codeFile, LIB_DIR_NAME);
8082            if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS)
8083                    && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) {
8084                final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]);
8085                has64BitLibs = (new File(rootDir, isa)).exists();
8086            } else {
8087                has64BitLibs = false;
8088            }
8089            if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS)
8090                    && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) {
8091                final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]);
8092                has32BitLibs = (new File(rootDir, isa)).exists();
8093            } else {
8094                has32BitLibs = false;
8095            }
8096        }
8097
8098        if (has64BitLibs && !has32BitLibs) {
8099            // The package has 64 bit libs, but not 32 bit libs. Its primary
8100            // ABI should be 64 bit. We can safely assume here that the bundled
8101            // native libraries correspond to the most preferred ABI in the list.
8102
8103            pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
8104            pkg.applicationInfo.secondaryCpuAbi = null;
8105        } else if (has32BitLibs && !has64BitLibs) {
8106            // The package has 32 bit libs but not 64 bit libs. Its primary
8107            // ABI should be 32 bit.
8108
8109            pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
8110            pkg.applicationInfo.secondaryCpuAbi = null;
8111        } else if (has32BitLibs && has64BitLibs) {
8112            // The application has both 64 and 32 bit bundled libraries. We check
8113            // here that the app declares multiArch support, and warn if it doesn't.
8114            //
8115            // We will be lenient here and record both ABIs. The primary will be the
8116            // ABI that's higher on the list, i.e, a device that's configured to prefer
8117            // 64 bit apps will see a 64 bit primary ABI,
8118
8119            if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) {
8120                Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch.");
8121            }
8122
8123            if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) {
8124                pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
8125                pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
8126            } else {
8127                pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
8128                pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
8129            }
8130        } else {
8131            pkg.applicationInfo.primaryCpuAbi = null;
8132            pkg.applicationInfo.secondaryCpuAbi = null;
8133        }
8134    }
8135
8136    private void killApplication(String pkgName, int appId, String reason) {
8137        // Request the ActivityManager to kill the process(only for existing packages)
8138        // so that we do not end up in a confused state while the user is still using the older
8139        // version of the application while the new one gets installed.
8140        IActivityManager am = ActivityManagerNative.getDefault();
8141        if (am != null) {
8142            try {
8143                am.killApplicationWithAppId(pkgName, appId, reason);
8144            } catch (RemoteException e) {
8145            }
8146        }
8147    }
8148
8149    void removePackageLI(PackageSetting ps, boolean chatty) {
8150        if (DEBUG_INSTALL) {
8151            if (chatty)
8152                Log.d(TAG, "Removing package " + ps.name);
8153        }
8154
8155        // writer
8156        synchronized (mPackages) {
8157            mPackages.remove(ps.name);
8158            final PackageParser.Package pkg = ps.pkg;
8159            if (pkg != null) {
8160                cleanPackageDataStructuresLILPw(pkg, chatty);
8161            }
8162        }
8163    }
8164
8165    void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) {
8166        if (DEBUG_INSTALL) {
8167            if (chatty)
8168                Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName);
8169        }
8170
8171        // writer
8172        synchronized (mPackages) {
8173            mPackages.remove(pkg.applicationInfo.packageName);
8174            cleanPackageDataStructuresLILPw(pkg, chatty);
8175        }
8176    }
8177
8178    void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) {
8179        int N = pkg.providers.size();
8180        StringBuilder r = null;
8181        int i;
8182        for (i=0; i<N; i++) {
8183            PackageParser.Provider p = pkg.providers.get(i);
8184            mProviders.removeProvider(p);
8185            if (p.info.authority == null) {
8186
8187                /* There was another ContentProvider with this authority when
8188                 * this app was installed so this authority is null,
8189                 * Ignore it as we don't have to unregister the provider.
8190                 */
8191                continue;
8192            }
8193            String names[] = p.info.authority.split(";");
8194            for (int j = 0; j < names.length; j++) {
8195                if (mProvidersByAuthority.get(names[j]) == p) {
8196                    mProvidersByAuthority.remove(names[j]);
8197                    if (DEBUG_REMOVE) {
8198                        if (chatty)
8199                            Log.d(TAG, "Unregistered content provider: " + names[j]
8200                                    + ", className = " + p.info.name + ", isSyncable = "
8201                                    + p.info.isSyncable);
8202                    }
8203                }
8204            }
8205            if (DEBUG_REMOVE && chatty) {
8206                if (r == null) {
8207                    r = new StringBuilder(256);
8208                } else {
8209                    r.append(' ');
8210                }
8211                r.append(p.info.name);
8212            }
8213        }
8214        if (r != null) {
8215            if (DEBUG_REMOVE) Log.d(TAG, "  Providers: " + r);
8216        }
8217
8218        N = pkg.services.size();
8219        r = null;
8220        for (i=0; i<N; i++) {
8221            PackageParser.Service s = pkg.services.get(i);
8222            mServices.removeService(s);
8223            if (chatty) {
8224                if (r == null) {
8225                    r = new StringBuilder(256);
8226                } else {
8227                    r.append(' ');
8228                }
8229                r.append(s.info.name);
8230            }
8231        }
8232        if (r != null) {
8233            if (DEBUG_REMOVE) Log.d(TAG, "  Services: " + r);
8234        }
8235
8236        N = pkg.receivers.size();
8237        r = null;
8238        for (i=0; i<N; i++) {
8239            PackageParser.Activity a = pkg.receivers.get(i);
8240            mReceivers.removeActivity(a, "receiver");
8241            if (DEBUG_REMOVE && chatty) {
8242                if (r == null) {
8243                    r = new StringBuilder(256);
8244                } else {
8245                    r.append(' ');
8246                }
8247                r.append(a.info.name);
8248            }
8249        }
8250        if (r != null) {
8251            if (DEBUG_REMOVE) Log.d(TAG, "  Receivers: " + r);
8252        }
8253
8254        N = pkg.activities.size();
8255        r = null;
8256        for (i=0; i<N; i++) {
8257            PackageParser.Activity a = pkg.activities.get(i);
8258            mActivities.removeActivity(a, "activity");
8259            if (DEBUG_REMOVE && chatty) {
8260                if (r == null) {
8261                    r = new StringBuilder(256);
8262                } else {
8263                    r.append(' ');
8264                }
8265                r.append(a.info.name);
8266            }
8267        }
8268        if (r != null) {
8269            if (DEBUG_REMOVE) Log.d(TAG, "  Activities: " + r);
8270        }
8271
8272        N = pkg.permissions.size();
8273        r = null;
8274        for (i=0; i<N; i++) {
8275            PackageParser.Permission p = pkg.permissions.get(i);
8276            BasePermission bp = mSettings.mPermissions.get(p.info.name);
8277            if (bp == null) {
8278                bp = mSettings.mPermissionTrees.get(p.info.name);
8279            }
8280            if (bp != null && bp.perm == p) {
8281                bp.perm = null;
8282                if (DEBUG_REMOVE && chatty) {
8283                    if (r == null) {
8284                        r = new StringBuilder(256);
8285                    } else {
8286                        r.append(' ');
8287                    }
8288                    r.append(p.info.name);
8289                }
8290            }
8291            if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
8292                ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name);
8293                if (appOpPerms != null) {
8294                    appOpPerms.remove(pkg.packageName);
8295                }
8296            }
8297        }
8298        if (r != null) {
8299            if (DEBUG_REMOVE) Log.d(TAG, "  Permissions: " + r);
8300        }
8301
8302        N = pkg.requestedPermissions.size();
8303        r = null;
8304        for (i=0; i<N; i++) {
8305            String perm = pkg.requestedPermissions.get(i);
8306            BasePermission bp = mSettings.mPermissions.get(perm);
8307            if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
8308                ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm);
8309                if (appOpPerms != null) {
8310                    appOpPerms.remove(pkg.packageName);
8311                    if (appOpPerms.isEmpty()) {
8312                        mAppOpPermissionPackages.remove(perm);
8313                    }
8314                }
8315            }
8316        }
8317        if (r != null) {
8318            if (DEBUG_REMOVE) Log.d(TAG, "  Permissions: " + r);
8319        }
8320
8321        N = pkg.instrumentation.size();
8322        r = null;
8323        for (i=0; i<N; i++) {
8324            PackageParser.Instrumentation a = pkg.instrumentation.get(i);
8325            mInstrumentation.remove(a.getComponentName());
8326            if (DEBUG_REMOVE && chatty) {
8327                if (r == null) {
8328                    r = new StringBuilder(256);
8329                } else {
8330                    r.append(' ');
8331                }
8332                r.append(a.info.name);
8333            }
8334        }
8335        if (r != null) {
8336            if (DEBUG_REMOVE) Log.d(TAG, "  Instrumentation: " + r);
8337        }
8338
8339        r = null;
8340        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
8341            // Only system apps can hold shared libraries.
8342            if (pkg.libraryNames != null) {
8343                for (i=0; i<pkg.libraryNames.size(); i++) {
8344                    String name = pkg.libraryNames.get(i);
8345                    SharedLibraryEntry cur = mSharedLibraries.get(name);
8346                    if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) {
8347                        mSharedLibraries.remove(name);
8348                        if (DEBUG_REMOVE && chatty) {
8349                            if (r == null) {
8350                                r = new StringBuilder(256);
8351                            } else {
8352                                r.append(' ');
8353                            }
8354                            r.append(name);
8355                        }
8356                    }
8357                }
8358            }
8359        }
8360        if (r != null) {
8361            if (DEBUG_REMOVE) Log.d(TAG, "  Libraries: " + r);
8362        }
8363    }
8364
8365    private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) {
8366        for (int i=pkgInfo.permissions.size()-1; i>=0; i--) {
8367            if (pkgInfo.permissions.get(i).info.name.equals(perm)) {
8368                return true;
8369            }
8370        }
8371        return false;
8372    }
8373
8374    static final int UPDATE_PERMISSIONS_ALL = 1<<0;
8375    static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1;
8376    static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2;
8377
8378    private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo,
8379            int flags) {
8380        final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null;
8381        updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags);
8382    }
8383
8384    private void updatePermissionsLPw(String changingPkg,
8385            PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) {
8386        // Make sure there are no dangling permission trees.
8387        Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator();
8388        while (it.hasNext()) {
8389            final BasePermission bp = it.next();
8390            if (bp.packageSetting == null) {
8391                // We may not yet have parsed the package, so just see if
8392                // we still know about its settings.
8393                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
8394            }
8395            if (bp.packageSetting == null) {
8396                Slog.w(TAG, "Removing dangling permission tree: " + bp.name
8397                        + " from package " + bp.sourcePackage);
8398                it.remove();
8399            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
8400                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
8401                    Slog.i(TAG, "Removing old permission tree: " + bp.name
8402                            + " from package " + bp.sourcePackage);
8403                    flags |= UPDATE_PERMISSIONS_ALL;
8404                    it.remove();
8405                }
8406            }
8407        }
8408
8409        // Make sure all dynamic permissions have been assigned to a package,
8410        // and make sure there are no dangling permissions.
8411        it = mSettings.mPermissions.values().iterator();
8412        while (it.hasNext()) {
8413            final BasePermission bp = it.next();
8414            if (bp.type == BasePermission.TYPE_DYNAMIC) {
8415                if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name="
8416                        + bp.name + " pkg=" + bp.sourcePackage
8417                        + " info=" + bp.pendingInfo);
8418                if (bp.packageSetting == null && bp.pendingInfo != null) {
8419                    final BasePermission tree = findPermissionTreeLP(bp.name);
8420                    if (tree != null && tree.perm != null) {
8421                        bp.packageSetting = tree.packageSetting;
8422                        bp.perm = new PackageParser.Permission(tree.perm.owner,
8423                                new PermissionInfo(bp.pendingInfo));
8424                        bp.perm.info.packageName = tree.perm.info.packageName;
8425                        bp.perm.info.name = bp.name;
8426                        bp.uid = tree.uid;
8427                    }
8428                }
8429            }
8430            if (bp.packageSetting == null) {
8431                // We may not yet have parsed the package, so just see if
8432                // we still know about its settings.
8433                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
8434            }
8435            if (bp.packageSetting == null) {
8436                Slog.w(TAG, "Removing dangling permission: " + bp.name
8437                        + " from package " + bp.sourcePackage);
8438                it.remove();
8439            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
8440                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
8441                    Slog.i(TAG, "Removing old permission: " + bp.name
8442                            + " from package " + bp.sourcePackage);
8443                    flags |= UPDATE_PERMISSIONS_ALL;
8444                    it.remove();
8445                }
8446            }
8447        }
8448
8449        // Now update the permissions for all packages, in particular
8450        // replace the granted permissions of the system packages.
8451        if ((flags&UPDATE_PERMISSIONS_ALL) != 0) {
8452            for (PackageParser.Package pkg : mPackages.values()) {
8453                if (pkg != pkgInfo) {
8454                    // Only replace for packages on requested volume
8455                    final String volumeUuid = getVolumeUuidForPackage(pkg);
8456                    final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0)
8457                            && Objects.equals(replaceVolumeUuid, volumeUuid);
8458                    grantPermissionsLPw(pkg, replace, changingPkg);
8459                }
8460            }
8461        }
8462
8463        if (pkgInfo != null) {
8464            // Only replace for packages on requested volume
8465            final String volumeUuid = getVolumeUuidForPackage(pkgInfo);
8466            final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0)
8467                    && Objects.equals(replaceVolumeUuid, volumeUuid);
8468            grantPermissionsLPw(pkgInfo, replace, changingPkg);
8469        }
8470    }
8471
8472    private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace,
8473            String packageOfInterest) {
8474        // IMPORTANT: There are two types of permissions: install and runtime.
8475        // Install time permissions are granted when the app is installed to
8476        // all device users and users added in the future. Runtime permissions
8477        // are granted at runtime explicitly to specific users. Normal and signature
8478        // protected permissions are install time permissions. Dangerous permissions
8479        // are install permissions if the app's target SDK is Lollipop MR1 or older,
8480        // otherwise they are runtime permissions. This function does not manage
8481        // runtime permissions except for the case an app targeting Lollipop MR1
8482        // being upgraded to target a newer SDK, in which case dangerous permissions
8483        // are transformed from install time to runtime ones.
8484
8485        final PackageSetting ps = (PackageSetting) pkg.mExtras;
8486        if (ps == null) {
8487            return;
8488        }
8489
8490        Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions");
8491
8492        PermissionsState permissionsState = ps.getPermissionsState();
8493        PermissionsState origPermissions = permissionsState;
8494
8495        final int[] currentUserIds = UserManagerService.getInstance().getUserIds();
8496
8497        boolean runtimePermissionsRevoked = false;
8498        int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY;
8499
8500        boolean changedInstallPermission = false;
8501
8502        if (replace) {
8503            ps.installPermissionsFixed = false;
8504            if (!ps.isSharedUser()) {
8505                origPermissions = new PermissionsState(permissionsState);
8506                permissionsState.reset();
8507            } else {
8508                // We need to know only about runtime permission changes since the
8509                // calling code always writes the install permissions state but
8510                // the runtime ones are written only if changed. The only cases of
8511                // changed runtime permissions here are promotion of an install to
8512                // runtime and revocation of a runtime from a shared user.
8513                changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw(
8514                        ps.sharedUser, UserManagerService.getInstance().getUserIds());
8515                if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) {
8516                    runtimePermissionsRevoked = true;
8517                }
8518            }
8519        }
8520
8521        permissionsState.setGlobalGids(mGlobalGids);
8522
8523        final int N = pkg.requestedPermissions.size();
8524        for (int i=0; i<N; i++) {
8525            final String name = pkg.requestedPermissions.get(i);
8526            final BasePermission bp = mSettings.mPermissions.get(name);
8527
8528            if (DEBUG_INSTALL) {
8529                Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp);
8530            }
8531
8532            if (bp == null || bp.packageSetting == null) {
8533                if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) {
8534                    Slog.w(TAG, "Unknown permission " + name
8535                            + " in package " + pkg.packageName);
8536                }
8537                continue;
8538            }
8539
8540            final String perm = bp.name;
8541            boolean allowedSig = false;
8542            int grant = GRANT_DENIED;
8543
8544            // Keep track of app op permissions.
8545            if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
8546                ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name);
8547                if (pkgs == null) {
8548                    pkgs = new ArraySet<>();
8549                    mAppOpPermissionPackages.put(bp.name, pkgs);
8550                }
8551                pkgs.add(pkg.packageName);
8552            }
8553
8554            final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE;
8555            switch (level) {
8556                case PermissionInfo.PROTECTION_NORMAL: {
8557                    // For all apps normal permissions are install time ones.
8558                    grant = GRANT_INSTALL;
8559                } break;
8560
8561                case PermissionInfo.PROTECTION_DANGEROUS: {
8562                    if (pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1) {
8563                        // For legacy apps dangerous permissions are install time ones.
8564                        grant = GRANT_INSTALL_LEGACY;
8565                    } else if (origPermissions.hasInstallPermission(bp.name)) {
8566                        // For legacy apps that became modern, install becomes runtime.
8567                        grant = GRANT_UPGRADE;
8568                    } else if (mPromoteSystemApps
8569                            && isSystemApp(ps)
8570                            && mExistingSystemPackages.contains(ps.name)) {
8571                        // For legacy system apps, install becomes runtime.
8572                        // We cannot check hasInstallPermission() for system apps since those
8573                        // permissions were granted implicitly and not persisted pre-M.
8574                        grant = GRANT_UPGRADE;
8575                    } else {
8576                        // For modern apps keep runtime permissions unchanged.
8577                        grant = GRANT_RUNTIME;
8578                    }
8579                } break;
8580
8581                case PermissionInfo.PROTECTION_SIGNATURE: {
8582                    // For all apps signature permissions are install time ones.
8583                    allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions);
8584                    if (allowedSig) {
8585                        grant = GRANT_INSTALL;
8586                    }
8587                } break;
8588            }
8589
8590            if (DEBUG_INSTALL) {
8591                Log.i(TAG, "Package " + pkg.packageName + " granting " + perm);
8592            }
8593
8594            if (grant != GRANT_DENIED) {
8595                if (!isSystemApp(ps) && ps.installPermissionsFixed) {
8596                    // If this is an existing, non-system package, then
8597                    // we can't add any new permissions to it.
8598                    if (!allowedSig && !origPermissions.hasInstallPermission(perm)) {
8599                        // Except...  if this is a permission that was added
8600                        // to the platform (note: need to only do this when
8601                        // updating the platform).
8602                        if (!isNewPlatformPermissionForPackage(perm, pkg)) {
8603                            grant = GRANT_DENIED;
8604                        }
8605                    }
8606                }
8607
8608                switch (grant) {
8609                    case GRANT_INSTALL: {
8610                        // Revoke this as runtime permission to handle the case of
8611                        // a runtime permission being downgraded to an install one.
8612                        for (int userId : UserManagerService.getInstance().getUserIds()) {
8613                            if (origPermissions.getRuntimePermissionState(
8614                                    bp.name, userId) != null) {
8615                                // Revoke the runtime permission and clear the flags.
8616                                origPermissions.revokeRuntimePermission(bp, userId);
8617                                origPermissions.updatePermissionFlags(bp, userId,
8618                                      PackageManager.MASK_PERMISSION_FLAGS, 0);
8619                                // If we revoked a permission permission, we have to write.
8620                                changedRuntimePermissionUserIds = ArrayUtils.appendInt(
8621                                        changedRuntimePermissionUserIds, userId);
8622                            }
8623                        }
8624                        // Grant an install permission.
8625                        if (permissionsState.grantInstallPermission(bp) !=
8626                                PermissionsState.PERMISSION_OPERATION_FAILURE) {
8627                            changedInstallPermission = true;
8628                        }
8629                    } break;
8630
8631                    case GRANT_INSTALL_LEGACY: {
8632                        // Grant an install permission.
8633                        if (permissionsState.grantInstallPermission(bp) !=
8634                                PermissionsState.PERMISSION_OPERATION_FAILURE) {
8635                            changedInstallPermission = true;
8636                        }
8637                    } break;
8638
8639                    case GRANT_RUNTIME: {
8640                        // Grant previously granted runtime permissions.
8641                        for (int userId : UserManagerService.getInstance().getUserIds()) {
8642                            PermissionState permissionState = origPermissions
8643                                    .getRuntimePermissionState(bp.name, userId);
8644                            final int flags = permissionState != null
8645                                    ? permissionState.getFlags() : 0;
8646                            if (origPermissions.hasRuntimePermission(bp.name, userId)) {
8647                                if (permissionsState.grantRuntimePermission(bp, userId) ==
8648                                        PermissionsState.PERMISSION_OPERATION_FAILURE) {
8649                                    // If we cannot put the permission as it was, we have to write.
8650                                    changedRuntimePermissionUserIds = ArrayUtils.appendInt(
8651                                            changedRuntimePermissionUserIds, userId);
8652                                }
8653                            }
8654                            // Propagate the permission flags.
8655                            permissionsState.updatePermissionFlags(bp, userId, flags, flags);
8656                        }
8657                    } break;
8658
8659                    case GRANT_UPGRADE: {
8660                        // Grant runtime permissions for a previously held install permission.
8661                        PermissionState permissionState = origPermissions
8662                                .getInstallPermissionState(bp.name);
8663                        final int flags = permissionState != null ? permissionState.getFlags() : 0;
8664
8665                        if (origPermissions.revokeInstallPermission(bp)
8666                                != PermissionsState.PERMISSION_OPERATION_FAILURE) {
8667                            // We will be transferring the permission flags, so clear them.
8668                            origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL,
8669                                    PackageManager.MASK_PERMISSION_FLAGS, 0);
8670                            changedInstallPermission = true;
8671                        }
8672
8673                        // If the permission is not to be promoted to runtime we ignore it and
8674                        // also its other flags as they are not applicable to install permissions.
8675                        if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) {
8676                            for (int userId : currentUserIds) {
8677                                if (permissionsState.grantRuntimePermission(bp, userId) !=
8678                                        PermissionsState.PERMISSION_OPERATION_FAILURE) {
8679                                    // Transfer the permission flags.
8680                                    permissionsState.updatePermissionFlags(bp, userId,
8681                                            flags, flags);
8682                                    // If we granted the permission, we have to write.
8683                                    changedRuntimePermissionUserIds = ArrayUtils.appendInt(
8684                                            changedRuntimePermissionUserIds, userId);
8685                                }
8686                            }
8687                        }
8688                    } break;
8689
8690                    default: {
8691                        if (packageOfInterest == null
8692                                || packageOfInterest.equals(pkg.packageName)) {
8693                            Slog.w(TAG, "Not granting permission " + perm
8694                                    + " to package " + pkg.packageName
8695                                    + " because it was previously installed without");
8696                        }
8697                    } break;
8698                }
8699            } else {
8700                if (permissionsState.revokeInstallPermission(bp) !=
8701                        PermissionsState.PERMISSION_OPERATION_FAILURE) {
8702                    // Also drop the permission flags.
8703                    permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL,
8704                            PackageManager.MASK_PERMISSION_FLAGS, 0);
8705                    changedInstallPermission = true;
8706                    Slog.i(TAG, "Un-granting permission " + perm
8707                            + " from package " + pkg.packageName
8708                            + " (protectionLevel=" + bp.protectionLevel
8709                            + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
8710                            + ")");
8711                } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) {
8712                    // Don't print warning for app op permissions, since it is fine for them
8713                    // not to be granted, there is a UI for the user to decide.
8714                    if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) {
8715                        Slog.w(TAG, "Not granting permission " + perm
8716                                + " to package " + pkg.packageName
8717                                + " (protectionLevel=" + bp.protectionLevel
8718                                + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
8719                                + ")");
8720                    }
8721                }
8722            }
8723        }
8724
8725        if ((changedInstallPermission || replace) && !ps.installPermissionsFixed &&
8726                !isSystemApp(ps) || isUpdatedSystemApp(ps)){
8727            // This is the first that we have heard about this package, so the
8728            // permissions we have now selected are fixed until explicitly
8729            // changed.
8730            ps.installPermissionsFixed = true;
8731        }
8732
8733        // Persist the runtime permissions state for users with changes. If permissions
8734        // were revoked because no app in the shared user declares them we have to
8735        // write synchronously to avoid losing runtime permissions state.
8736        for (int userId : changedRuntimePermissionUserIds) {
8737            mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked);
8738        }
8739
8740        Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
8741    }
8742
8743    private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) {
8744        boolean allowed = false;
8745        final int NP = PackageParser.NEW_PERMISSIONS.length;
8746        for (int ip=0; ip<NP; ip++) {
8747            final PackageParser.NewPermissionInfo npi
8748                    = PackageParser.NEW_PERMISSIONS[ip];
8749            if (npi.name.equals(perm)
8750                    && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) {
8751                allowed = true;
8752                Log.i(TAG, "Auto-granting " + perm + " to old pkg "
8753                        + pkg.packageName);
8754                break;
8755            }
8756        }
8757        return allowed;
8758    }
8759
8760    private boolean grantSignaturePermission(String perm, PackageParser.Package pkg,
8761            BasePermission bp, PermissionsState origPermissions) {
8762        boolean allowed;
8763        allowed = (compareSignatures(
8764                bp.packageSetting.signatures.mSignatures, pkg.mSignatures)
8765                        == PackageManager.SIGNATURE_MATCH)
8766                || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures)
8767                        == PackageManager.SIGNATURE_MATCH);
8768        if (!allowed && (bp.protectionLevel
8769                & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) {
8770            if (isSystemApp(pkg)) {
8771                // For updated system applications, a system permission
8772                // is granted only if it had been defined by the original application.
8773                if (pkg.isUpdatedSystemApp()) {
8774                    final PackageSetting sysPs = mSettings
8775                            .getDisabledSystemPkgLPr(pkg.packageName);
8776                    if (sysPs.getPermissionsState().hasInstallPermission(perm)) {
8777                        // If the original was granted this permission, we take
8778                        // that grant decision as read and propagate it to the
8779                        // update.
8780                        if (sysPs.isPrivileged()) {
8781                            allowed = true;
8782                        }
8783                    } else {
8784                        // The system apk may have been updated with an older
8785                        // version of the one on the data partition, but which
8786                        // granted a new system permission that it didn't have
8787                        // before.  In this case we do want to allow the app to
8788                        // now get the new permission if the ancestral apk is
8789                        // privileged to get it.
8790                        if (sysPs.pkg != null && sysPs.isPrivileged()) {
8791                            for (int j=0;
8792                                    j<sysPs.pkg.requestedPermissions.size(); j++) {
8793                                if (perm.equals(
8794                                        sysPs.pkg.requestedPermissions.get(j))) {
8795                                    allowed = true;
8796                                    break;
8797                                }
8798                            }
8799                        }
8800                    }
8801                } else {
8802                    allowed = isPrivilegedApp(pkg);
8803                }
8804            }
8805        }
8806        if (!allowed) {
8807            if (!allowed && (bp.protectionLevel
8808                    & PermissionInfo.PROTECTION_FLAG_PRE23) != 0
8809                    && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) {
8810                // If this was a previously normal/dangerous permission that got moved
8811                // to a system permission as part of the runtime permission redesign, then
8812                // we still want to blindly grant it to old apps.
8813                allowed = true;
8814            }
8815            if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0
8816                    && pkg.packageName.equals(mRequiredInstallerPackage)) {
8817                // If this permission is to be granted to the system installer and
8818                // this app is an installer, then it gets the permission.
8819                allowed = true;
8820            }
8821            if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0
8822                    && pkg.packageName.equals(mRequiredVerifierPackage)) {
8823                // If this permission is to be granted to the system verifier and
8824                // this app is a verifier, then it gets the permission.
8825                allowed = true;
8826            }
8827            if (!allowed && (bp.protectionLevel
8828                    & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0
8829                    && isSystemApp(pkg)) {
8830                // Any pre-installed system app is allowed to get this permission.
8831                allowed = true;
8832            }
8833            if (!allowed && (bp.protectionLevel
8834                    & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) {
8835                // For development permissions, a development permission
8836                // is granted only if it was already granted.
8837                allowed = origPermissions.hasInstallPermission(perm);
8838            }
8839        }
8840        return allowed;
8841    }
8842
8843    final class ActivityIntentResolver
8844            extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> {
8845        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
8846                boolean defaultOnly, int userId) {
8847            if (!sUserManager.exists(userId)) return null;
8848            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
8849            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
8850        }
8851
8852        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
8853                int userId) {
8854            if (!sUserManager.exists(userId)) return null;
8855            mFlags = flags;
8856            return super.queryIntent(intent, resolvedType,
8857                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
8858        }
8859
8860        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
8861                int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) {
8862            if (!sUserManager.exists(userId)) return null;
8863            if (packageActivities == null) {
8864                return null;
8865            }
8866            mFlags = flags;
8867            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
8868            final int N = packageActivities.size();
8869            ArrayList<PackageParser.ActivityIntentInfo[]> listCut =
8870                new ArrayList<PackageParser.ActivityIntentInfo[]>(N);
8871
8872            ArrayList<PackageParser.ActivityIntentInfo> intentFilters;
8873            for (int i = 0; i < N; ++i) {
8874                intentFilters = packageActivities.get(i).intents;
8875                if (intentFilters != null && intentFilters.size() > 0) {
8876                    PackageParser.ActivityIntentInfo[] array =
8877                            new PackageParser.ActivityIntentInfo[intentFilters.size()];
8878                    intentFilters.toArray(array);
8879                    listCut.add(array);
8880                }
8881            }
8882            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
8883        }
8884
8885        public final void addActivity(PackageParser.Activity a, String type) {
8886            final boolean systemApp = a.info.applicationInfo.isSystemApp();
8887            mActivities.put(a.getComponentName(), a);
8888            if (DEBUG_SHOW_INFO)
8889                Log.v(
8890                TAG, "  " + type + " " +
8891                (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":");
8892            if (DEBUG_SHOW_INFO)
8893                Log.v(TAG, "    Class=" + a.info.name);
8894            final int NI = a.intents.size();
8895            for (int j=0; j<NI; j++) {
8896                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
8897                if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) {
8898                    intent.setPriority(0);
8899                    Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity "
8900                            + a.className + " with priority > 0, forcing to 0");
8901                }
8902                if (DEBUG_SHOW_INFO) {
8903                    Log.v(TAG, "    IntentFilter:");
8904                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
8905                }
8906                if (!intent.debugCheck()) {
8907                    Log.w(TAG, "==> For Activity " + a.info.name);
8908                }
8909                addFilter(intent);
8910            }
8911        }
8912
8913        public final void removeActivity(PackageParser.Activity a, String type) {
8914            mActivities.remove(a.getComponentName());
8915            if (DEBUG_SHOW_INFO) {
8916                Log.v(TAG, "  " + type + " "
8917                        + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel
8918                                : a.info.name) + ":");
8919                Log.v(TAG, "    Class=" + a.info.name);
8920            }
8921            final int NI = a.intents.size();
8922            for (int j=0; j<NI; j++) {
8923                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
8924                if (DEBUG_SHOW_INFO) {
8925                    Log.v(TAG, "    IntentFilter:");
8926                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
8927                }
8928                removeFilter(intent);
8929            }
8930        }
8931
8932        @Override
8933        protected boolean allowFilterResult(
8934                PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) {
8935            ActivityInfo filterAi = filter.activity.info;
8936            for (int i=dest.size()-1; i>=0; i--) {
8937                ActivityInfo destAi = dest.get(i).activityInfo;
8938                if (destAi.name == filterAi.name
8939                        && destAi.packageName == filterAi.packageName) {
8940                    return false;
8941                }
8942            }
8943            return true;
8944        }
8945
8946        @Override
8947        protected ActivityIntentInfo[] newArray(int size) {
8948            return new ActivityIntentInfo[size];
8949        }
8950
8951        @Override
8952        protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) {
8953            if (!sUserManager.exists(userId)) return true;
8954            PackageParser.Package p = filter.activity.owner;
8955            if (p != null) {
8956                PackageSetting ps = (PackageSetting)p.mExtras;
8957                if (ps != null) {
8958                    // System apps are never considered stopped for purposes of
8959                    // filtering, because there may be no way for the user to
8960                    // actually re-launch them.
8961                    return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0
8962                            && ps.getStopped(userId);
8963                }
8964            }
8965            return false;
8966        }
8967
8968        @Override
8969        protected boolean isPackageForFilter(String packageName,
8970                PackageParser.ActivityIntentInfo info) {
8971            return packageName.equals(info.activity.owner.packageName);
8972        }
8973
8974        @Override
8975        protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info,
8976                int match, int userId) {
8977            if (!sUserManager.exists(userId)) return null;
8978            if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) {
8979                return null;
8980            }
8981            final PackageParser.Activity activity = info.activity;
8982            if (mSafeMode && (activity.info.applicationInfo.flags
8983                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
8984                return null;
8985            }
8986            PackageSetting ps = (PackageSetting) activity.owner.mExtras;
8987            if (ps == null) {
8988                return null;
8989            }
8990            ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags,
8991                    ps.readUserState(userId), userId);
8992            if (ai == null) {
8993                return null;
8994            }
8995            final ResolveInfo res = new ResolveInfo();
8996            res.activityInfo = ai;
8997            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
8998                res.filter = info;
8999            }
9000            if (info != null) {
9001                res.handleAllWebDataURI = info.handleAllWebDataURI();
9002            }
9003            res.priority = info.getPriority();
9004            res.preferredOrder = activity.owner.mPreferredOrder;
9005            //System.out.println("Result: " + res.activityInfo.className +
9006            //                   " = " + res.priority);
9007            res.match = match;
9008            res.isDefault = info.hasDefault;
9009            res.labelRes = info.labelRes;
9010            res.nonLocalizedLabel = info.nonLocalizedLabel;
9011            if (userNeedsBadging(userId)) {
9012                res.noResourceId = true;
9013            } else {
9014                res.icon = info.icon;
9015            }
9016            res.iconResourceId = info.icon;
9017            res.system = res.activityInfo.applicationInfo.isSystemApp();
9018            return res;
9019        }
9020
9021        @Override
9022        protected void sortResults(List<ResolveInfo> results) {
9023            Collections.sort(results, mResolvePrioritySorter);
9024        }
9025
9026        @Override
9027        protected void dumpFilter(PrintWriter out, String prefix,
9028                PackageParser.ActivityIntentInfo filter) {
9029            out.print(prefix); out.print(
9030                    Integer.toHexString(System.identityHashCode(filter.activity)));
9031                    out.print(' ');
9032                    filter.activity.printComponentShortName(out);
9033                    out.print(" filter ");
9034                    out.println(Integer.toHexString(System.identityHashCode(filter)));
9035        }
9036
9037        @Override
9038        protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) {
9039            return filter.activity;
9040        }
9041
9042        protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) {
9043            PackageParser.Activity activity = (PackageParser.Activity)label;
9044            out.print(prefix); out.print(
9045                    Integer.toHexString(System.identityHashCode(activity)));
9046                    out.print(' ');
9047                    activity.printComponentShortName(out);
9048            if (count > 1) {
9049                out.print(" ("); out.print(count); out.print(" filters)");
9050            }
9051            out.println();
9052        }
9053
9054//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
9055//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
9056//            final List<ResolveInfo> retList = Lists.newArrayList();
9057//            while (i.hasNext()) {
9058//                final ResolveInfo resolveInfo = i.next();
9059//                if (isEnabledLP(resolveInfo.activityInfo)) {
9060//                    retList.add(resolveInfo);
9061//                }
9062//            }
9063//            return retList;
9064//        }
9065
9066        // Keys are String (activity class name), values are Activity.
9067        private final ArrayMap<ComponentName, PackageParser.Activity> mActivities
9068                = new ArrayMap<ComponentName, PackageParser.Activity>();
9069        private int mFlags;
9070    }
9071
9072    private final class ServiceIntentResolver
9073            extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> {
9074        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
9075                boolean defaultOnly, int userId) {
9076            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
9077            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
9078        }
9079
9080        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
9081                int userId) {
9082            if (!sUserManager.exists(userId)) return null;
9083            mFlags = flags;
9084            return super.queryIntent(intent, resolvedType,
9085                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
9086        }
9087
9088        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
9089                int flags, ArrayList<PackageParser.Service> packageServices, int userId) {
9090            if (!sUserManager.exists(userId)) return null;
9091            if (packageServices == null) {
9092                return null;
9093            }
9094            mFlags = flags;
9095            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
9096            final int N = packageServices.size();
9097            ArrayList<PackageParser.ServiceIntentInfo[]> listCut =
9098                new ArrayList<PackageParser.ServiceIntentInfo[]>(N);
9099
9100            ArrayList<PackageParser.ServiceIntentInfo> intentFilters;
9101            for (int i = 0; i < N; ++i) {
9102                intentFilters = packageServices.get(i).intents;
9103                if (intentFilters != null && intentFilters.size() > 0) {
9104                    PackageParser.ServiceIntentInfo[] array =
9105                            new PackageParser.ServiceIntentInfo[intentFilters.size()];
9106                    intentFilters.toArray(array);
9107                    listCut.add(array);
9108                }
9109            }
9110            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
9111        }
9112
9113        public final void addService(PackageParser.Service s) {
9114            mServices.put(s.getComponentName(), s);
9115            if (DEBUG_SHOW_INFO) {
9116                Log.v(TAG, "  "
9117                        + (s.info.nonLocalizedLabel != null
9118                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
9119                Log.v(TAG, "    Class=" + s.info.name);
9120            }
9121            final int NI = s.intents.size();
9122            int j;
9123            for (j=0; j<NI; j++) {
9124                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
9125                if (DEBUG_SHOW_INFO) {
9126                    Log.v(TAG, "    IntentFilter:");
9127                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
9128                }
9129                if (!intent.debugCheck()) {
9130                    Log.w(TAG, "==> For Service " + s.info.name);
9131                }
9132                addFilter(intent);
9133            }
9134        }
9135
9136        public final void removeService(PackageParser.Service s) {
9137            mServices.remove(s.getComponentName());
9138            if (DEBUG_SHOW_INFO) {
9139                Log.v(TAG, "  " + (s.info.nonLocalizedLabel != null
9140                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
9141                Log.v(TAG, "    Class=" + s.info.name);
9142            }
9143            final int NI = s.intents.size();
9144            int j;
9145            for (j=0; j<NI; j++) {
9146                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
9147                if (DEBUG_SHOW_INFO) {
9148                    Log.v(TAG, "    IntentFilter:");
9149                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
9150                }
9151                removeFilter(intent);
9152            }
9153        }
9154
9155        @Override
9156        protected boolean allowFilterResult(
9157                PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) {
9158            ServiceInfo filterSi = filter.service.info;
9159            for (int i=dest.size()-1; i>=0; i--) {
9160                ServiceInfo destAi = dest.get(i).serviceInfo;
9161                if (destAi.name == filterSi.name
9162                        && destAi.packageName == filterSi.packageName) {
9163                    return false;
9164                }
9165            }
9166            return true;
9167        }
9168
9169        @Override
9170        protected PackageParser.ServiceIntentInfo[] newArray(int size) {
9171            return new PackageParser.ServiceIntentInfo[size];
9172        }
9173
9174        @Override
9175        protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) {
9176            if (!sUserManager.exists(userId)) return true;
9177            PackageParser.Package p = filter.service.owner;
9178            if (p != null) {
9179                PackageSetting ps = (PackageSetting)p.mExtras;
9180                if (ps != null) {
9181                    // System apps are never considered stopped for purposes of
9182                    // filtering, because there may be no way for the user to
9183                    // actually re-launch them.
9184                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
9185                            && ps.getStopped(userId);
9186                }
9187            }
9188            return false;
9189        }
9190
9191        @Override
9192        protected boolean isPackageForFilter(String packageName,
9193                PackageParser.ServiceIntentInfo info) {
9194            return packageName.equals(info.service.owner.packageName);
9195        }
9196
9197        @Override
9198        protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter,
9199                int match, int userId) {
9200            if (!sUserManager.exists(userId)) return null;
9201            final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter;
9202            if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) {
9203                return null;
9204            }
9205            final PackageParser.Service service = info.service;
9206            if (mSafeMode && (service.info.applicationInfo.flags
9207                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
9208                return null;
9209            }
9210            PackageSetting ps = (PackageSetting) service.owner.mExtras;
9211            if (ps == null) {
9212                return null;
9213            }
9214            ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags,
9215                    ps.readUserState(userId), userId);
9216            if (si == null) {
9217                return null;
9218            }
9219            final ResolveInfo res = new ResolveInfo();
9220            res.serviceInfo = si;
9221            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
9222                res.filter = filter;
9223            }
9224            res.priority = info.getPriority();
9225            res.preferredOrder = service.owner.mPreferredOrder;
9226            res.match = match;
9227            res.isDefault = info.hasDefault;
9228            res.labelRes = info.labelRes;
9229            res.nonLocalizedLabel = info.nonLocalizedLabel;
9230            res.icon = info.icon;
9231            res.system = res.serviceInfo.applicationInfo.isSystemApp();
9232            return res;
9233        }
9234
9235        @Override
9236        protected void sortResults(List<ResolveInfo> results) {
9237            Collections.sort(results, mResolvePrioritySorter);
9238        }
9239
9240        @Override
9241        protected void dumpFilter(PrintWriter out, String prefix,
9242                PackageParser.ServiceIntentInfo filter) {
9243            out.print(prefix); out.print(
9244                    Integer.toHexString(System.identityHashCode(filter.service)));
9245                    out.print(' ');
9246                    filter.service.printComponentShortName(out);
9247                    out.print(" filter ");
9248                    out.println(Integer.toHexString(System.identityHashCode(filter)));
9249        }
9250
9251        @Override
9252        protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) {
9253            return filter.service;
9254        }
9255
9256        protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) {
9257            PackageParser.Service service = (PackageParser.Service)label;
9258            out.print(prefix); out.print(
9259                    Integer.toHexString(System.identityHashCode(service)));
9260                    out.print(' ');
9261                    service.printComponentShortName(out);
9262            if (count > 1) {
9263                out.print(" ("); out.print(count); out.print(" filters)");
9264            }
9265            out.println();
9266        }
9267
9268//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
9269//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
9270//            final List<ResolveInfo> retList = Lists.newArrayList();
9271//            while (i.hasNext()) {
9272//                final ResolveInfo resolveInfo = (ResolveInfo) i;
9273//                if (isEnabledLP(resolveInfo.serviceInfo)) {
9274//                    retList.add(resolveInfo);
9275//                }
9276//            }
9277//            return retList;
9278//        }
9279
9280        // Keys are String (activity class name), values are Activity.
9281        private final ArrayMap<ComponentName, PackageParser.Service> mServices
9282                = new ArrayMap<ComponentName, PackageParser.Service>();
9283        private int mFlags;
9284    };
9285
9286    private final class ProviderIntentResolver
9287            extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> {
9288        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
9289                boolean defaultOnly, int userId) {
9290            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
9291            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
9292        }
9293
9294        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
9295                int userId) {
9296            if (!sUserManager.exists(userId))
9297                return null;
9298            mFlags = flags;
9299            return super.queryIntent(intent, resolvedType,
9300                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
9301        }
9302
9303        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
9304                int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) {
9305            if (!sUserManager.exists(userId))
9306                return null;
9307            if (packageProviders == null) {
9308                return null;
9309            }
9310            mFlags = flags;
9311            final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0;
9312            final int N = packageProviders.size();
9313            ArrayList<PackageParser.ProviderIntentInfo[]> listCut =
9314                    new ArrayList<PackageParser.ProviderIntentInfo[]>(N);
9315
9316            ArrayList<PackageParser.ProviderIntentInfo> intentFilters;
9317            for (int i = 0; i < N; ++i) {
9318                intentFilters = packageProviders.get(i).intents;
9319                if (intentFilters != null && intentFilters.size() > 0) {
9320                    PackageParser.ProviderIntentInfo[] array =
9321                            new PackageParser.ProviderIntentInfo[intentFilters.size()];
9322                    intentFilters.toArray(array);
9323                    listCut.add(array);
9324                }
9325            }
9326            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
9327        }
9328
9329        public final void addProvider(PackageParser.Provider p) {
9330            if (mProviders.containsKey(p.getComponentName())) {
9331                Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring");
9332                return;
9333            }
9334
9335            mProviders.put(p.getComponentName(), p);
9336            if (DEBUG_SHOW_INFO) {
9337                Log.v(TAG, "  "
9338                        + (p.info.nonLocalizedLabel != null
9339                                ? p.info.nonLocalizedLabel : p.info.name) + ":");
9340                Log.v(TAG, "    Class=" + p.info.name);
9341            }
9342            final int NI = p.intents.size();
9343            int j;
9344            for (j = 0; j < NI; j++) {
9345                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
9346                if (DEBUG_SHOW_INFO) {
9347                    Log.v(TAG, "    IntentFilter:");
9348                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
9349                }
9350                if (!intent.debugCheck()) {
9351                    Log.w(TAG, "==> For Provider " + p.info.name);
9352                }
9353                addFilter(intent);
9354            }
9355        }
9356
9357        public final void removeProvider(PackageParser.Provider p) {
9358            mProviders.remove(p.getComponentName());
9359            if (DEBUG_SHOW_INFO) {
9360                Log.v(TAG, "  " + (p.info.nonLocalizedLabel != null
9361                        ? p.info.nonLocalizedLabel : p.info.name) + ":");
9362                Log.v(TAG, "    Class=" + p.info.name);
9363            }
9364            final int NI = p.intents.size();
9365            int j;
9366            for (j = 0; j < NI; j++) {
9367                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
9368                if (DEBUG_SHOW_INFO) {
9369                    Log.v(TAG, "    IntentFilter:");
9370                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
9371                }
9372                removeFilter(intent);
9373            }
9374        }
9375
9376        @Override
9377        protected boolean allowFilterResult(
9378                PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) {
9379            ProviderInfo filterPi = filter.provider.info;
9380            for (int i = dest.size() - 1; i >= 0; i--) {
9381                ProviderInfo destPi = dest.get(i).providerInfo;
9382                if (destPi.name == filterPi.name
9383                        && destPi.packageName == filterPi.packageName) {
9384                    return false;
9385                }
9386            }
9387            return true;
9388        }
9389
9390        @Override
9391        protected PackageParser.ProviderIntentInfo[] newArray(int size) {
9392            return new PackageParser.ProviderIntentInfo[size];
9393        }
9394
9395        @Override
9396        protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) {
9397            if (!sUserManager.exists(userId))
9398                return true;
9399            PackageParser.Package p = filter.provider.owner;
9400            if (p != null) {
9401                PackageSetting ps = (PackageSetting) p.mExtras;
9402                if (ps != null) {
9403                    // System apps are never considered stopped for purposes of
9404                    // filtering, because there may be no way for the user to
9405                    // actually re-launch them.
9406                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
9407                            && ps.getStopped(userId);
9408                }
9409            }
9410            return false;
9411        }
9412
9413        @Override
9414        protected boolean isPackageForFilter(String packageName,
9415                PackageParser.ProviderIntentInfo info) {
9416            return packageName.equals(info.provider.owner.packageName);
9417        }
9418
9419        @Override
9420        protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter,
9421                int match, int userId) {
9422            if (!sUserManager.exists(userId))
9423                return null;
9424            final PackageParser.ProviderIntentInfo info = filter;
9425            if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) {
9426                return null;
9427            }
9428            final PackageParser.Provider provider = info.provider;
9429            if (mSafeMode && (provider.info.applicationInfo.flags
9430                    & ApplicationInfo.FLAG_SYSTEM) == 0) {
9431                return null;
9432            }
9433            PackageSetting ps = (PackageSetting) provider.owner.mExtras;
9434            if (ps == null) {
9435                return null;
9436            }
9437            ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags,
9438                    ps.readUserState(userId), userId);
9439            if (pi == null) {
9440                return null;
9441            }
9442            final ResolveInfo res = new ResolveInfo();
9443            res.providerInfo = pi;
9444            if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) {
9445                res.filter = filter;
9446            }
9447            res.priority = info.getPriority();
9448            res.preferredOrder = provider.owner.mPreferredOrder;
9449            res.match = match;
9450            res.isDefault = info.hasDefault;
9451            res.labelRes = info.labelRes;
9452            res.nonLocalizedLabel = info.nonLocalizedLabel;
9453            res.icon = info.icon;
9454            res.system = res.providerInfo.applicationInfo.isSystemApp();
9455            return res;
9456        }
9457
9458        @Override
9459        protected void sortResults(List<ResolveInfo> results) {
9460            Collections.sort(results, mResolvePrioritySorter);
9461        }
9462
9463        @Override
9464        protected void dumpFilter(PrintWriter out, String prefix,
9465                PackageParser.ProviderIntentInfo filter) {
9466            out.print(prefix);
9467            out.print(
9468                    Integer.toHexString(System.identityHashCode(filter.provider)));
9469            out.print(' ');
9470            filter.provider.printComponentShortName(out);
9471            out.print(" filter ");
9472            out.println(Integer.toHexString(System.identityHashCode(filter)));
9473        }
9474
9475        @Override
9476        protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) {
9477            return filter.provider;
9478        }
9479
9480        protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) {
9481            PackageParser.Provider provider = (PackageParser.Provider)label;
9482            out.print(prefix); out.print(
9483                    Integer.toHexString(System.identityHashCode(provider)));
9484                    out.print(' ');
9485                    provider.printComponentShortName(out);
9486            if (count > 1) {
9487                out.print(" ("); out.print(count); out.print(" filters)");
9488            }
9489            out.println();
9490        }
9491
9492        private final ArrayMap<ComponentName, PackageParser.Provider> mProviders
9493                = new ArrayMap<ComponentName, PackageParser.Provider>();
9494        private int mFlags;
9495    };
9496
9497    private static final Comparator<ResolveInfo> mResolvePrioritySorter =
9498            new Comparator<ResolveInfo>() {
9499        public int compare(ResolveInfo r1, ResolveInfo r2) {
9500            int v1 = r1.priority;
9501            int v2 = r2.priority;
9502            //System.out.println("Comparing: q1=" + q1 + " q2=" + q2);
9503            if (v1 != v2) {
9504                return (v1 > v2) ? -1 : 1;
9505            }
9506            v1 = r1.preferredOrder;
9507            v2 = r2.preferredOrder;
9508            if (v1 != v2) {
9509                return (v1 > v2) ? -1 : 1;
9510            }
9511            if (r1.isDefault != r2.isDefault) {
9512                return r1.isDefault ? -1 : 1;
9513            }
9514            v1 = r1.match;
9515            v2 = r2.match;
9516            //System.out.println("Comparing: m1=" + m1 + " m2=" + m2);
9517            if (v1 != v2) {
9518                return (v1 > v2) ? -1 : 1;
9519            }
9520            if (r1.system != r2.system) {
9521                return r1.system ? -1 : 1;
9522            }
9523            return 0;
9524        }
9525    };
9526
9527    private static final Comparator<ProviderInfo> mProviderInitOrderSorter =
9528            new Comparator<ProviderInfo>() {
9529        public int compare(ProviderInfo p1, ProviderInfo p2) {
9530            final int v1 = p1.initOrder;
9531            final int v2 = p2.initOrder;
9532            return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0);
9533        }
9534    };
9535
9536    final void sendPackageBroadcast(final String action, final String pkg,
9537            final Bundle extras, final String targetPkg, final IIntentReceiver finishedReceiver,
9538            final int[] userIds) {
9539        mHandler.post(new Runnable() {
9540            @Override
9541            public void run() {
9542                try {
9543                    final IActivityManager am = ActivityManagerNative.getDefault();
9544                    if (am == null) return;
9545                    final int[] resolvedUserIds;
9546                    if (userIds == null) {
9547                        resolvedUserIds = am.getRunningUserIds();
9548                    } else {
9549                        resolvedUserIds = userIds;
9550                    }
9551                    for (int id : resolvedUserIds) {
9552                        final Intent intent = new Intent(action,
9553                                pkg != null ? Uri.fromParts("package", pkg, null) : null);
9554                        if (extras != null) {
9555                            intent.putExtras(extras);
9556                        }
9557                        if (targetPkg != null) {
9558                            intent.setPackage(targetPkg);
9559                        }
9560                        // Modify the UID when posting to other users
9561                        int uid = intent.getIntExtra(Intent.EXTRA_UID, -1);
9562                        if (uid > 0 && UserHandle.getUserId(uid) != id) {
9563                            uid = UserHandle.getUid(id, UserHandle.getAppId(uid));
9564                            intent.putExtra(Intent.EXTRA_UID, uid);
9565                        }
9566                        intent.putExtra(Intent.EXTRA_USER_HANDLE, id);
9567                        intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
9568                        if (DEBUG_BROADCASTS) {
9569                            RuntimeException here = new RuntimeException("here");
9570                            here.fillInStackTrace();
9571                            Slog.d(TAG, "Sending to user " + id + ": "
9572                                    + intent.toShortString(false, true, false, false)
9573                                    + " " + intent.getExtras(), here);
9574                        }
9575                        am.broadcastIntent(null, intent, null, finishedReceiver,
9576                                0, null, null, null, android.app.AppOpsManager.OP_NONE,
9577                                null, finishedReceiver != null, false, id);
9578                    }
9579                } catch (RemoteException ex) {
9580                }
9581            }
9582        });
9583    }
9584
9585    /**
9586     * Check if the external storage media is available. This is true if there
9587     * is a mounted external storage medium or if the external storage is
9588     * emulated.
9589     */
9590    private boolean isExternalMediaAvailable() {
9591        return mMediaMounted || Environment.isExternalStorageEmulated();
9592    }
9593
9594    @Override
9595    public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) {
9596        // writer
9597        synchronized (mPackages) {
9598            if (!isExternalMediaAvailable()) {
9599                // If the external storage is no longer mounted at this point,
9600                // the caller may not have been able to delete all of this
9601                // packages files and can not delete any more.  Bail.
9602                return null;
9603            }
9604            final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned;
9605            if (lastPackage != null) {
9606                pkgs.remove(lastPackage);
9607            }
9608            if (pkgs.size() > 0) {
9609                return pkgs.get(0);
9610            }
9611        }
9612        return null;
9613    }
9614
9615    void schedulePackageCleaning(String packageName, int userId, boolean andCode) {
9616        final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE,
9617                userId, andCode ? 1 : 0, packageName);
9618        if (mSystemReady) {
9619            msg.sendToTarget();
9620        } else {
9621            if (mPostSystemReadyMessages == null) {
9622                mPostSystemReadyMessages = new ArrayList<>();
9623            }
9624            mPostSystemReadyMessages.add(msg);
9625        }
9626    }
9627
9628    void startCleaningPackages() {
9629        // reader
9630        synchronized (mPackages) {
9631            if (!isExternalMediaAvailable()) {
9632                return;
9633            }
9634            if (mSettings.mPackagesToBeCleaned.isEmpty()) {
9635                return;
9636            }
9637        }
9638        Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE);
9639        intent.setComponent(DEFAULT_CONTAINER_COMPONENT);
9640        IActivityManager am = ActivityManagerNative.getDefault();
9641        if (am != null) {
9642            try {
9643                am.startService(null, intent, null, mContext.getOpPackageName(),
9644                        UserHandle.USER_SYSTEM);
9645            } catch (RemoteException e) {
9646            }
9647        }
9648    }
9649
9650    @Override
9651    public void installPackage(String originPath, IPackageInstallObserver2 observer,
9652            int installFlags, String installerPackageName, VerificationParams verificationParams,
9653            String packageAbiOverride) {
9654        installPackageAsUser(originPath, observer, installFlags, installerPackageName,
9655                verificationParams, packageAbiOverride, UserHandle.getCallingUserId());
9656    }
9657
9658    @Override
9659    public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer,
9660            int installFlags, String installerPackageName, VerificationParams verificationParams,
9661            String packageAbiOverride, int userId) {
9662        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null);
9663
9664        final int callingUid = Binder.getCallingUid();
9665        enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser");
9666
9667        if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) {
9668            try {
9669                if (observer != null) {
9670                    observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null);
9671                }
9672            } catch (RemoteException re) {
9673            }
9674            return;
9675        }
9676
9677        if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) {
9678            installFlags |= PackageManager.INSTALL_FROM_ADB;
9679
9680        } else {
9681            // Caller holds INSTALL_PACKAGES permission, so we're less strict
9682            // about installerPackageName.
9683
9684            installFlags &= ~PackageManager.INSTALL_FROM_ADB;
9685            installFlags &= ~PackageManager.INSTALL_ALL_USERS;
9686        }
9687
9688        UserHandle user;
9689        if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) {
9690            user = UserHandle.ALL;
9691        } else {
9692            user = new UserHandle(userId);
9693        }
9694
9695        // Only system components can circumvent runtime permissions when installing.
9696        if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0
9697                && mContext.checkCallingOrSelfPermission(Manifest.permission
9698                .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) {
9699            throw new SecurityException("You need the "
9700                    + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission "
9701                    + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag");
9702        }
9703
9704        verificationParams.setInstallerUid(callingUid);
9705
9706        final File originFile = new File(originPath);
9707        final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile);
9708
9709        final Message msg = mHandler.obtainMessage(INIT_COPY);
9710        final InstallParams params = new InstallParams(origin, null, observer, installFlags,
9711                installerPackageName, null, verificationParams, user, packageAbiOverride, null);
9712        params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params));
9713        msg.obj = params;
9714
9715        Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser",
9716                System.identityHashCode(msg.obj));
9717        Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall",
9718                System.identityHashCode(msg.obj));
9719
9720        mHandler.sendMessage(msg);
9721    }
9722
9723    void installStage(String packageName, File stagedDir, String stagedCid,
9724            IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams,
9725            String installerPackageName, int installerUid, UserHandle user) {
9726        final VerificationParams verifParams = new VerificationParams(
9727                null, sessionParams.originatingUri, sessionParams.referrerUri,
9728                sessionParams.originatingUid, null);
9729        verifParams.setInstallerUid(installerUid);
9730
9731        final OriginInfo origin;
9732        if (stagedDir != null) {
9733            origin = OriginInfo.fromStagedFile(stagedDir);
9734        } else {
9735            origin = OriginInfo.fromStagedContainer(stagedCid);
9736        }
9737
9738        final Message msg = mHandler.obtainMessage(INIT_COPY);
9739        final InstallParams params = new InstallParams(origin, null, observer,
9740                sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid,
9741                verifParams, user, sessionParams.abiOverride,
9742                sessionParams.grantedRuntimePermissions);
9743        params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params));
9744        msg.obj = params;
9745
9746        Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage",
9747                System.identityHashCode(msg.obj));
9748        Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall",
9749                System.identityHashCode(msg.obj));
9750
9751        mHandler.sendMessage(msg);
9752    }
9753
9754    private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) {
9755        Bundle extras = new Bundle(1);
9756        extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId));
9757
9758        sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
9759                packageName, extras, null, null, new int[] {userId});
9760        try {
9761            IActivityManager am = ActivityManagerNative.getDefault();
9762            final boolean isSystem =
9763                    isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting);
9764            if (isSystem && am.isUserRunning(userId, false)) {
9765                // The just-installed/enabled app is bundled on the system, so presumed
9766                // to be able to run automatically without needing an explicit launch.
9767                // Send it a BOOT_COMPLETED if it would ordinarily have gotten one.
9768                Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED)
9769                        .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
9770                        .setPackage(packageName);
9771                am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null,
9772                        android.app.AppOpsManager.OP_NONE, null, false, false, userId);
9773            }
9774        } catch (RemoteException e) {
9775            // shouldn't happen
9776            Slog.w(TAG, "Unable to bootstrap installed package", e);
9777        }
9778    }
9779
9780    @Override
9781    public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden,
9782            int userId) {
9783        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
9784        PackageSetting pkgSetting;
9785        final int uid = Binder.getCallingUid();
9786        enforceCrossUserPermission(uid, userId, true, true,
9787                "setApplicationHiddenSetting for user " + userId);
9788
9789        if (hidden && isPackageDeviceAdmin(packageName, userId)) {
9790            Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin");
9791            return false;
9792        }
9793
9794        long callingId = Binder.clearCallingIdentity();
9795        try {
9796            boolean sendAdded = false;
9797            boolean sendRemoved = false;
9798            // writer
9799            synchronized (mPackages) {
9800                pkgSetting = mSettings.mPackages.get(packageName);
9801                if (pkgSetting == null) {
9802                    return false;
9803                }
9804                if (pkgSetting.getHidden(userId) != hidden) {
9805                    pkgSetting.setHidden(hidden, userId);
9806                    mSettings.writePackageRestrictionsLPr(userId);
9807                    if (hidden) {
9808                        sendRemoved = true;
9809                    } else {
9810                        sendAdded = true;
9811                    }
9812                }
9813            }
9814            if (sendAdded) {
9815                sendPackageAddedForUser(packageName, pkgSetting, userId);
9816                return true;
9817            }
9818            if (sendRemoved) {
9819                killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId),
9820                        "hiding pkg");
9821                sendApplicationHiddenForUser(packageName, pkgSetting, userId);
9822                return true;
9823            }
9824        } finally {
9825            Binder.restoreCallingIdentity(callingId);
9826        }
9827        return false;
9828    }
9829
9830    private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting,
9831            int userId) {
9832        final PackageRemovedInfo info = new PackageRemovedInfo();
9833        info.removedPackage = packageName;
9834        info.removedUsers = new int[] {userId};
9835        info.uid = UserHandle.getUid(userId, pkgSetting.appId);
9836        info.sendBroadcast(false, false, false);
9837    }
9838
9839    /**
9840     * Returns true if application is not found or there was an error. Otherwise it returns
9841     * the hidden state of the package for the given user.
9842     */
9843    @Override
9844    public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) {
9845        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
9846        enforceCrossUserPermission(Binder.getCallingUid(), userId, true,
9847                false, "getApplicationHidden for user " + userId);
9848        PackageSetting pkgSetting;
9849        long callingId = Binder.clearCallingIdentity();
9850        try {
9851            // writer
9852            synchronized (mPackages) {
9853                pkgSetting = mSettings.mPackages.get(packageName);
9854                if (pkgSetting == null) {
9855                    return true;
9856                }
9857                return pkgSetting.getHidden(userId);
9858            }
9859        } finally {
9860            Binder.restoreCallingIdentity(callingId);
9861        }
9862    }
9863
9864    /**
9865     * @hide
9866     */
9867    @Override
9868    public int installExistingPackageAsUser(String packageName, int userId) {
9869        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES,
9870                null);
9871        PackageSetting pkgSetting;
9872        final int uid = Binder.getCallingUid();
9873        enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user "
9874                + userId);
9875        if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) {
9876            return PackageManager.INSTALL_FAILED_USER_RESTRICTED;
9877        }
9878
9879        long callingId = Binder.clearCallingIdentity();
9880        try {
9881            boolean sendAdded = false;
9882
9883            // writer
9884            synchronized (mPackages) {
9885                pkgSetting = mSettings.mPackages.get(packageName);
9886                if (pkgSetting == null) {
9887                    return PackageManager.INSTALL_FAILED_INVALID_URI;
9888                }
9889                if (!pkgSetting.getInstalled(userId)) {
9890                    pkgSetting.setInstalled(true, userId);
9891                    pkgSetting.setHidden(false, userId);
9892                    mSettings.writePackageRestrictionsLPr(userId);
9893                    sendAdded = true;
9894                }
9895            }
9896
9897            if (sendAdded) {
9898                sendPackageAddedForUser(packageName, pkgSetting, userId);
9899            }
9900        } finally {
9901            Binder.restoreCallingIdentity(callingId);
9902        }
9903
9904        return PackageManager.INSTALL_SUCCEEDED;
9905    }
9906
9907    boolean isUserRestricted(int userId, String restrictionKey) {
9908        Bundle restrictions = sUserManager.getUserRestrictions(userId);
9909        if (restrictions.getBoolean(restrictionKey, false)) {
9910            Log.w(TAG, "User is restricted: " + restrictionKey);
9911            return true;
9912        }
9913        return false;
9914    }
9915
9916    @Override
9917    public void verifyPendingInstall(int id, int verificationCode) throws RemoteException {
9918        mContext.enforceCallingOrSelfPermission(
9919                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
9920                "Only package verification agents can verify applications");
9921
9922        final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
9923        final PackageVerificationResponse response = new PackageVerificationResponse(
9924                verificationCode, Binder.getCallingUid());
9925        msg.arg1 = id;
9926        msg.obj = response;
9927        mHandler.sendMessage(msg);
9928    }
9929
9930    @Override
9931    public void extendVerificationTimeout(int id, int verificationCodeAtTimeout,
9932            long millisecondsToDelay) {
9933        mContext.enforceCallingOrSelfPermission(
9934                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
9935                "Only package verification agents can extend verification timeouts");
9936
9937        final PackageVerificationState state = mPendingVerification.get(id);
9938        final PackageVerificationResponse response = new PackageVerificationResponse(
9939                verificationCodeAtTimeout, Binder.getCallingUid());
9940
9941        if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) {
9942            millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT;
9943        }
9944        if (millisecondsToDelay < 0) {
9945            millisecondsToDelay = 0;
9946        }
9947        if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW)
9948                && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) {
9949            verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT;
9950        }
9951
9952        if ((state != null) && !state.timeoutExtended()) {
9953            state.extendTimeout();
9954
9955            final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
9956            msg.arg1 = id;
9957            msg.obj = response;
9958            mHandler.sendMessageDelayed(msg, millisecondsToDelay);
9959        }
9960    }
9961
9962    private void broadcastPackageVerified(int verificationId, Uri packageUri,
9963            int verificationCode, UserHandle user) {
9964        final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED);
9965        intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE);
9966        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
9967        intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
9968        intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode);
9969
9970        mContext.sendBroadcastAsUser(intent, user,
9971                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT);
9972    }
9973
9974    private ComponentName matchComponentForVerifier(String packageName,
9975            List<ResolveInfo> receivers) {
9976        ActivityInfo targetReceiver = null;
9977
9978        final int NR = receivers.size();
9979        for (int i = 0; i < NR; i++) {
9980            final ResolveInfo info = receivers.get(i);
9981            if (info.activityInfo == null) {
9982                continue;
9983            }
9984
9985            if (packageName.equals(info.activityInfo.packageName)) {
9986                targetReceiver = info.activityInfo;
9987                break;
9988            }
9989        }
9990
9991        if (targetReceiver == null) {
9992            return null;
9993        }
9994
9995        return new ComponentName(targetReceiver.packageName, targetReceiver.name);
9996    }
9997
9998    private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo,
9999            List<ResolveInfo> receivers, final PackageVerificationState verificationState) {
10000        if (pkgInfo.verifiers.length == 0) {
10001            return null;
10002        }
10003
10004        final int N = pkgInfo.verifiers.length;
10005        final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1);
10006        for (int i = 0; i < N; i++) {
10007            final VerifierInfo verifierInfo = pkgInfo.verifiers[i];
10008
10009            final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName,
10010                    receivers);
10011            if (comp == null) {
10012                continue;
10013            }
10014
10015            final int verifierUid = getUidForVerifier(verifierInfo);
10016            if (verifierUid == -1) {
10017                continue;
10018            }
10019
10020            if (DEBUG_VERIFY) {
10021                Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName
10022                        + " with the correct signature");
10023            }
10024            sufficientVerifiers.add(comp);
10025            verificationState.addSufficientVerifier(verifierUid);
10026        }
10027
10028        return sufficientVerifiers;
10029    }
10030
10031    private int getUidForVerifier(VerifierInfo verifierInfo) {
10032        synchronized (mPackages) {
10033            final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName);
10034            if (pkg == null) {
10035                return -1;
10036            } else if (pkg.mSignatures.length != 1) {
10037                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
10038                        + " has more than one signature; ignoring");
10039                return -1;
10040            }
10041
10042            /*
10043             * If the public key of the package's signature does not match
10044             * our expected public key, then this is a different package and
10045             * we should skip.
10046             */
10047
10048            final byte[] expectedPublicKey;
10049            try {
10050                final Signature verifierSig = pkg.mSignatures[0];
10051                final PublicKey publicKey = verifierSig.getPublicKey();
10052                expectedPublicKey = publicKey.getEncoded();
10053            } catch (CertificateException e) {
10054                return -1;
10055            }
10056
10057            final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded();
10058
10059            if (!Arrays.equals(actualPublicKey, expectedPublicKey)) {
10060                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
10061                        + " does not have the expected public key; ignoring");
10062                return -1;
10063            }
10064
10065            return pkg.applicationInfo.uid;
10066        }
10067    }
10068
10069    @Override
10070    public void finishPackageInstall(int token) {
10071        enforceSystemOrRoot("Only the system is allowed to finish installs");
10072
10073        if (DEBUG_INSTALL) {
10074            Slog.v(TAG, "BM finishing package install for " + token);
10075        }
10076        Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token);
10077
10078        final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
10079        mHandler.sendMessage(msg);
10080    }
10081
10082    /**
10083     * Get the verification agent timeout.
10084     *
10085     * @return verification timeout in milliseconds
10086     */
10087    private long getVerificationTimeout() {
10088        return android.provider.Settings.Global.getLong(mContext.getContentResolver(),
10089                android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT,
10090                DEFAULT_VERIFICATION_TIMEOUT);
10091    }
10092
10093    /**
10094     * Get the default verification agent response code.
10095     *
10096     * @return default verification response code
10097     */
10098    private int getDefaultVerificationResponse() {
10099        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
10100                android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE,
10101                DEFAULT_VERIFICATION_RESPONSE);
10102    }
10103
10104    /**
10105     * Check whether or not package verification has been enabled.
10106     *
10107     * @return true if verification should be performed
10108     */
10109    private boolean isVerificationEnabled(int userId, int installFlags) {
10110        if (!DEFAULT_VERIFY_ENABLE) {
10111            return false;
10112        }
10113        // TODO: fix b/25118622; don't bypass verification
10114        if (Build.IS_DEBUGGABLE && (installFlags & PackageManager.INSTALL_QUICK) != 0) {
10115            return false;
10116        }
10117
10118        boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS);
10119
10120        // Check if installing from ADB
10121        if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) {
10122            // Do not run verification in a test harness environment
10123            if (ActivityManager.isRunningInTestHarness()) {
10124                return false;
10125            }
10126            if (ensureVerifyAppsEnabled) {
10127                return true;
10128            }
10129            // Check if the developer does not want package verification for ADB installs
10130            if (android.provider.Settings.Global.getInt(mContext.getContentResolver(),
10131                    android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) {
10132                return false;
10133            }
10134        }
10135
10136        if (ensureVerifyAppsEnabled) {
10137            return true;
10138        }
10139
10140        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
10141                android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1;
10142    }
10143
10144    @Override
10145    public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains)
10146            throws RemoteException {
10147        mContext.enforceCallingOrSelfPermission(
10148                Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT,
10149                "Only intentfilter verification agents can verify applications");
10150
10151        final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED);
10152        final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse(
10153                Binder.getCallingUid(), verificationCode, failedDomains);
10154        msg.arg1 = id;
10155        msg.obj = response;
10156        mHandler.sendMessage(msg);
10157    }
10158
10159    @Override
10160    public int getIntentVerificationStatus(String packageName, int userId) {
10161        synchronized (mPackages) {
10162            return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId);
10163        }
10164    }
10165
10166    @Override
10167    public boolean updateIntentVerificationStatus(String packageName, int status, int userId) {
10168        mContext.enforceCallingOrSelfPermission(
10169                android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
10170
10171        boolean result = false;
10172        synchronized (mPackages) {
10173            result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId);
10174        }
10175        if (result) {
10176            scheduleWritePackageRestrictionsLocked(userId);
10177        }
10178        return result;
10179    }
10180
10181    @Override
10182    public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) {
10183        synchronized (mPackages) {
10184            return mSettings.getIntentFilterVerificationsLPr(packageName);
10185        }
10186    }
10187
10188    @Override
10189    public List<IntentFilter> getAllIntentFilters(String packageName) {
10190        if (TextUtils.isEmpty(packageName)) {
10191            return Collections.<IntentFilter>emptyList();
10192        }
10193        synchronized (mPackages) {
10194            PackageParser.Package pkg = mPackages.get(packageName);
10195            if (pkg == null || pkg.activities == null) {
10196                return Collections.<IntentFilter>emptyList();
10197            }
10198            final int count = pkg.activities.size();
10199            ArrayList<IntentFilter> result = new ArrayList<>();
10200            for (int n=0; n<count; n++) {
10201                PackageParser.Activity activity = pkg.activities.get(n);
10202                if (activity.intents != null || activity.intents.size() > 0) {
10203                    result.addAll(activity.intents);
10204                }
10205            }
10206            return result;
10207        }
10208    }
10209
10210    @Override
10211    public boolean setDefaultBrowserPackageName(String packageName, int userId) {
10212        mContext.enforceCallingOrSelfPermission(
10213                android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
10214
10215        synchronized (mPackages) {
10216            boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId);
10217            if (packageName != null) {
10218                result |= updateIntentVerificationStatus(packageName,
10219                        PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS,
10220                        userId);
10221                mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr(
10222                        packageName, userId);
10223            }
10224            return result;
10225        }
10226    }
10227
10228    @Override
10229    public String getDefaultBrowserPackageName(int userId) {
10230        synchronized (mPackages) {
10231            return mSettings.getDefaultBrowserPackageNameLPw(userId);
10232        }
10233    }
10234
10235    /**
10236     * Get the "allow unknown sources" setting.
10237     *
10238     * @return the current "allow unknown sources" setting
10239     */
10240    private int getUnknownSourcesSettings() {
10241        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
10242                android.provider.Settings.Global.INSTALL_NON_MARKET_APPS,
10243                -1);
10244    }
10245
10246    @Override
10247    public void setInstallerPackageName(String targetPackage, String installerPackageName) {
10248        final int uid = Binder.getCallingUid();
10249        // writer
10250        synchronized (mPackages) {
10251            PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage);
10252            if (targetPackageSetting == null) {
10253                throw new IllegalArgumentException("Unknown target package: " + targetPackage);
10254            }
10255
10256            PackageSetting installerPackageSetting;
10257            if (installerPackageName != null) {
10258                installerPackageSetting = mSettings.mPackages.get(installerPackageName);
10259                if (installerPackageSetting == null) {
10260                    throw new IllegalArgumentException("Unknown installer package: "
10261                            + installerPackageName);
10262                }
10263            } else {
10264                installerPackageSetting = null;
10265            }
10266
10267            Signature[] callerSignature;
10268            Object obj = mSettings.getUserIdLPr(uid);
10269            if (obj != null) {
10270                if (obj instanceof SharedUserSetting) {
10271                    callerSignature = ((SharedUserSetting)obj).signatures.mSignatures;
10272                } else if (obj instanceof PackageSetting) {
10273                    callerSignature = ((PackageSetting)obj).signatures.mSignatures;
10274                } else {
10275                    throw new SecurityException("Bad object " + obj + " for uid " + uid);
10276                }
10277            } else {
10278                throw new SecurityException("Unknown calling uid " + uid);
10279            }
10280
10281            // Verify: can't set installerPackageName to a package that is
10282            // not signed with the same cert as the caller.
10283            if (installerPackageSetting != null) {
10284                if (compareSignatures(callerSignature,
10285                        installerPackageSetting.signatures.mSignatures)
10286                        != PackageManager.SIGNATURE_MATCH) {
10287                    throw new SecurityException(
10288                            "Caller does not have same cert as new installer package "
10289                            + installerPackageName);
10290                }
10291            }
10292
10293            // Verify: if target already has an installer package, it must
10294            // be signed with the same cert as the caller.
10295            if (targetPackageSetting.installerPackageName != null) {
10296                PackageSetting setting = mSettings.mPackages.get(
10297                        targetPackageSetting.installerPackageName);
10298                // If the currently set package isn't valid, then it's always
10299                // okay to change it.
10300                if (setting != null) {
10301                    if (compareSignatures(callerSignature,
10302                            setting.signatures.mSignatures)
10303                            != PackageManager.SIGNATURE_MATCH) {
10304                        throw new SecurityException(
10305                                "Caller does not have same cert as old installer package "
10306                                + targetPackageSetting.installerPackageName);
10307                    }
10308                }
10309            }
10310
10311            // Okay!
10312            targetPackageSetting.installerPackageName = installerPackageName;
10313            scheduleWriteSettingsLocked();
10314        }
10315    }
10316
10317    private void processPendingInstall(final InstallArgs args, final int currentStatus) {
10318        // Queue up an async operation since the package installation may take a little while.
10319        mHandler.post(new Runnable() {
10320            public void run() {
10321                mHandler.removeCallbacks(this);
10322                 // Result object to be returned
10323                PackageInstalledInfo res = new PackageInstalledInfo();
10324                res.returnCode = currentStatus;
10325                res.uid = -1;
10326                res.pkg = null;
10327                res.removedInfo = new PackageRemovedInfo();
10328                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
10329                    args.doPreInstall(res.returnCode);
10330                    synchronized (mInstallLock) {
10331                        installPackageTracedLI(args, res);
10332                    }
10333                    args.doPostInstall(res.returnCode, res.uid);
10334                }
10335
10336                // A restore should be performed at this point if (a) the install
10337                // succeeded, (b) the operation is not an update, and (c) the new
10338                // package has not opted out of backup participation.
10339                final boolean update = res.removedInfo.removedPackage != null;
10340                final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags;
10341                boolean doRestore = !update
10342                        && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0);
10343
10344                // Set up the post-install work request bookkeeping.  This will be used
10345                // and cleaned up by the post-install event handling regardless of whether
10346                // there's a restore pass performed.  Token values are >= 1.
10347                int token;
10348                if (mNextInstallToken < 0) mNextInstallToken = 1;
10349                token = mNextInstallToken++;
10350
10351                PostInstallData data = new PostInstallData(args, res);
10352                mRunningInstalls.put(token, data);
10353                if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token);
10354
10355                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) {
10356                    // Pass responsibility to the Backup Manager.  It will perform a
10357                    // restore if appropriate, then pass responsibility back to the
10358                    // Package Manager to run the post-install observer callbacks
10359                    // and broadcasts.
10360                    IBackupManager bm = IBackupManager.Stub.asInterface(
10361                            ServiceManager.getService(Context.BACKUP_SERVICE));
10362                    if (bm != null) {
10363                        if (DEBUG_INSTALL) Log.v(TAG, "token " + token
10364                                + " to BM for possible restore");
10365                        Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token);
10366                        try {
10367                            // TODO: http://b/22388012
10368                            if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) {
10369                                bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token);
10370                            } else {
10371                                doRestore = false;
10372                            }
10373                        } catch (RemoteException e) {
10374                            // can't happen; the backup manager is local
10375                        } catch (Exception e) {
10376                            Slog.e(TAG, "Exception trying to enqueue restore", e);
10377                            doRestore = false;
10378                        }
10379                    } else {
10380                        Slog.e(TAG, "Backup Manager not found!");
10381                        doRestore = false;
10382                    }
10383                }
10384
10385                if (!doRestore) {
10386                    // No restore possible, or the Backup Manager was mysteriously not
10387                    // available -- just fire the post-install work request directly.
10388                    if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token);
10389
10390                    Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token);
10391
10392                    Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
10393                    mHandler.sendMessage(msg);
10394                }
10395            }
10396        });
10397    }
10398
10399    private abstract class HandlerParams {
10400        private static final int MAX_RETRIES = 4;
10401
10402        /**
10403         * Number of times startCopy() has been attempted and had a non-fatal
10404         * error.
10405         */
10406        private int mRetries = 0;
10407
10408        /** User handle for the user requesting the information or installation. */
10409        private final UserHandle mUser;
10410        String traceMethod;
10411        int traceCookie;
10412
10413        HandlerParams(UserHandle user) {
10414            mUser = user;
10415        }
10416
10417        UserHandle getUser() {
10418            return mUser;
10419        }
10420
10421        HandlerParams setTraceMethod(String traceMethod) {
10422            this.traceMethod = traceMethod;
10423            return this;
10424        }
10425
10426        HandlerParams setTraceCookie(int traceCookie) {
10427            this.traceCookie = traceCookie;
10428            return this;
10429        }
10430
10431        final boolean startCopy() {
10432            boolean res;
10433            try {
10434                if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this);
10435
10436                if (++mRetries > MAX_RETRIES) {
10437                    Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up");
10438                    mHandler.sendEmptyMessage(MCS_GIVE_UP);
10439                    handleServiceError();
10440                    return false;
10441                } else {
10442                    handleStartCopy();
10443                    res = true;
10444                }
10445            } catch (RemoteException e) {
10446                if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT");
10447                mHandler.sendEmptyMessage(MCS_RECONNECT);
10448                res = false;
10449            }
10450            handleReturnCode();
10451            return res;
10452        }
10453
10454        final void serviceError() {
10455            if (DEBUG_INSTALL) Slog.i(TAG, "serviceError");
10456            handleServiceError();
10457            handleReturnCode();
10458        }
10459
10460        abstract void handleStartCopy() throws RemoteException;
10461        abstract void handleServiceError();
10462        abstract void handleReturnCode();
10463    }
10464
10465    class MeasureParams extends HandlerParams {
10466        private final PackageStats mStats;
10467        private boolean mSuccess;
10468
10469        private final IPackageStatsObserver mObserver;
10470
10471        public MeasureParams(PackageStats stats, IPackageStatsObserver observer) {
10472            super(new UserHandle(stats.userHandle));
10473            mObserver = observer;
10474            mStats = stats;
10475        }
10476
10477        @Override
10478        public String toString() {
10479            return "MeasureParams{"
10480                + Integer.toHexString(System.identityHashCode(this))
10481                + " " + mStats.packageName + "}";
10482        }
10483
10484        @Override
10485        void handleStartCopy() throws RemoteException {
10486            synchronized (mInstallLock) {
10487                mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats);
10488            }
10489
10490            if (mSuccess) {
10491                final boolean mounted;
10492                if (Environment.isExternalStorageEmulated()) {
10493                    mounted = true;
10494                } else {
10495                    final String status = Environment.getExternalStorageState();
10496                    mounted = (Environment.MEDIA_MOUNTED.equals(status)
10497                            || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status));
10498                }
10499
10500                if (mounted) {
10501                    final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle);
10502
10503                    mStats.externalCacheSize = calculateDirectorySize(mContainerService,
10504                            userEnv.buildExternalStorageAppCacheDirs(mStats.packageName));
10505
10506                    mStats.externalDataSize = calculateDirectorySize(mContainerService,
10507                            userEnv.buildExternalStorageAppDataDirs(mStats.packageName));
10508
10509                    // Always subtract cache size, since it's a subdirectory
10510                    mStats.externalDataSize -= mStats.externalCacheSize;
10511
10512                    mStats.externalMediaSize = calculateDirectorySize(mContainerService,
10513                            userEnv.buildExternalStorageAppMediaDirs(mStats.packageName));
10514
10515                    mStats.externalObbSize = calculateDirectorySize(mContainerService,
10516                            userEnv.buildExternalStorageAppObbDirs(mStats.packageName));
10517                }
10518            }
10519        }
10520
10521        @Override
10522        void handleReturnCode() {
10523            if (mObserver != null) {
10524                try {
10525                    mObserver.onGetStatsCompleted(mStats, mSuccess);
10526                } catch (RemoteException e) {
10527                    Slog.i(TAG, "Observer no longer exists.");
10528                }
10529            }
10530        }
10531
10532        @Override
10533        void handleServiceError() {
10534            Slog.e(TAG, "Could not measure application " + mStats.packageName
10535                            + " external storage");
10536        }
10537    }
10538
10539    private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths)
10540            throws RemoteException {
10541        long result = 0;
10542        for (File path : paths) {
10543            result += mcs.calculateDirectorySize(path.getAbsolutePath());
10544        }
10545        return result;
10546    }
10547
10548    private static void clearDirectory(IMediaContainerService mcs, File[] paths) {
10549        for (File path : paths) {
10550            try {
10551                mcs.clearDirectory(path.getAbsolutePath());
10552            } catch (RemoteException e) {
10553            }
10554        }
10555    }
10556
10557    static class OriginInfo {
10558        /**
10559         * Location where install is coming from, before it has been
10560         * copied/renamed into place. This could be a single monolithic APK
10561         * file, or a cluster directory. This location may be untrusted.
10562         */
10563        final File file;
10564        final String cid;
10565
10566        /**
10567         * Flag indicating that {@link #file} or {@link #cid} has already been
10568         * staged, meaning downstream users don't need to defensively copy the
10569         * contents.
10570         */
10571        final boolean staged;
10572
10573        /**
10574         * Flag indicating that {@link #file} or {@link #cid} is an already
10575         * installed app that is being moved.
10576         */
10577        final boolean existing;
10578
10579        final String resolvedPath;
10580        final File resolvedFile;
10581
10582        static OriginInfo fromNothing() {
10583            return new OriginInfo(null, null, false, false);
10584        }
10585
10586        static OriginInfo fromUntrustedFile(File file) {
10587            return new OriginInfo(file, null, false, false);
10588        }
10589
10590        static OriginInfo fromExistingFile(File file) {
10591            return new OriginInfo(file, null, false, true);
10592        }
10593
10594        static OriginInfo fromStagedFile(File file) {
10595            return new OriginInfo(file, null, true, false);
10596        }
10597
10598        static OriginInfo fromStagedContainer(String cid) {
10599            return new OriginInfo(null, cid, true, false);
10600        }
10601
10602        private OriginInfo(File file, String cid, boolean staged, boolean existing) {
10603            this.file = file;
10604            this.cid = cid;
10605            this.staged = staged;
10606            this.existing = existing;
10607
10608            if (cid != null) {
10609                resolvedPath = PackageHelper.getSdDir(cid);
10610                resolvedFile = new File(resolvedPath);
10611            } else if (file != null) {
10612                resolvedPath = file.getAbsolutePath();
10613                resolvedFile = file;
10614            } else {
10615                resolvedPath = null;
10616                resolvedFile = null;
10617            }
10618        }
10619    }
10620
10621    class MoveInfo {
10622        final int moveId;
10623        final String fromUuid;
10624        final String toUuid;
10625        final String packageName;
10626        final String dataAppName;
10627        final int appId;
10628        final String seinfo;
10629
10630        public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName,
10631                String dataAppName, int appId, String seinfo) {
10632            this.moveId = moveId;
10633            this.fromUuid = fromUuid;
10634            this.toUuid = toUuid;
10635            this.packageName = packageName;
10636            this.dataAppName = dataAppName;
10637            this.appId = appId;
10638            this.seinfo = seinfo;
10639        }
10640    }
10641
10642    class InstallParams extends HandlerParams {
10643        final OriginInfo origin;
10644        final MoveInfo move;
10645        final IPackageInstallObserver2 observer;
10646        int installFlags;
10647        final String installerPackageName;
10648        final String volumeUuid;
10649        final VerificationParams verificationParams;
10650        private InstallArgs mArgs;
10651        private int mRet;
10652        final String packageAbiOverride;
10653        final String[] grantedRuntimePermissions;
10654
10655        InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer,
10656                int installFlags, String installerPackageName, String volumeUuid,
10657                VerificationParams verificationParams, UserHandle user, String packageAbiOverride,
10658                String[] grantedPermissions) {
10659            super(user);
10660            this.origin = origin;
10661            this.move = move;
10662            this.observer = observer;
10663            this.installFlags = installFlags;
10664            this.installerPackageName = installerPackageName;
10665            this.volumeUuid = volumeUuid;
10666            this.verificationParams = verificationParams;
10667            this.packageAbiOverride = packageAbiOverride;
10668            this.grantedRuntimePermissions = grantedPermissions;
10669        }
10670
10671        @Override
10672        public String toString() {
10673            return "InstallParams{" + Integer.toHexString(System.identityHashCode(this))
10674                    + " file=" + origin.file + " cid=" + origin.cid + "}";
10675        }
10676
10677        public ManifestDigest getManifestDigest() {
10678            if (verificationParams == null) {
10679                return null;
10680            }
10681            return verificationParams.getManifestDigest();
10682        }
10683
10684        private int installLocationPolicy(PackageInfoLite pkgLite) {
10685            String packageName = pkgLite.packageName;
10686            int installLocation = pkgLite.installLocation;
10687            boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
10688            // reader
10689            synchronized (mPackages) {
10690                PackageParser.Package pkg = mPackages.get(packageName);
10691                if (pkg != null) {
10692                    if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
10693                        // Check for downgrading.
10694                        if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) {
10695                            try {
10696                                checkDowngrade(pkg, pkgLite);
10697                            } catch (PackageManagerException e) {
10698                                Slog.w(TAG, "Downgrade detected: " + e.getMessage());
10699                                return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE;
10700                            }
10701                        }
10702                        // Check for updated system application.
10703                        if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
10704                            if (onSd) {
10705                                Slog.w(TAG, "Cannot install update to system app on sdcard");
10706                                return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION;
10707                            }
10708                            return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
10709                        } else {
10710                            if (onSd) {
10711                                // Install flag overrides everything.
10712                                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
10713                            }
10714                            // If current upgrade specifies particular preference
10715                            if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) {
10716                                // Application explicitly specified internal.
10717                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
10718                            } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) {
10719                                // App explictly prefers external. Let policy decide
10720                            } else {
10721                                // Prefer previous location
10722                                if (isExternal(pkg)) {
10723                                    return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
10724                                }
10725                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
10726                            }
10727                        }
10728                    } else {
10729                        // Invalid install. Return error code
10730                        return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS;
10731                    }
10732                }
10733            }
10734            // All the special cases have been taken care of.
10735            // Return result based on recommended install location.
10736            if (onSd) {
10737                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
10738            }
10739            return pkgLite.recommendedInstallLocation;
10740        }
10741
10742        /*
10743         * Invoke remote method to get package information and install
10744         * location values. Override install location based on default
10745         * policy if needed and then create install arguments based
10746         * on the install location.
10747         */
10748        public void handleStartCopy() throws RemoteException {
10749            int ret = PackageManager.INSTALL_SUCCEEDED;
10750
10751            // If we're already staged, we've firmly committed to an install location
10752            if (origin.staged) {
10753                if (origin.file != null) {
10754                    installFlags |= PackageManager.INSTALL_INTERNAL;
10755                    installFlags &= ~PackageManager.INSTALL_EXTERNAL;
10756                } else if (origin.cid != null) {
10757                    installFlags |= PackageManager.INSTALL_EXTERNAL;
10758                    installFlags &= ~PackageManager.INSTALL_INTERNAL;
10759                } else {
10760                    throw new IllegalStateException("Invalid stage location");
10761                }
10762            }
10763
10764            final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
10765            final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0;
10766            PackageInfoLite pkgLite = null;
10767
10768            if (onInt && onSd) {
10769                // Check if both bits are set.
10770                Slog.w(TAG, "Conflicting flags specified for installing on both internal and external");
10771                ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
10772            } else {
10773                pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags,
10774                        packageAbiOverride);
10775
10776                /*
10777                 * If we have too little free space, try to free cache
10778                 * before giving up.
10779                 */
10780                if (!origin.staged && pkgLite.recommendedInstallLocation
10781                        == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
10782                    // TODO: focus freeing disk space on the target device
10783                    final StorageManager storage = StorageManager.from(mContext);
10784                    final long lowThreshold = storage.getStorageLowBytes(
10785                            Environment.getDataDirectory());
10786
10787                    final long sizeBytes = mContainerService.calculateInstalledSize(
10788                            origin.resolvedPath, isForwardLocked(), packageAbiOverride);
10789
10790                    if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) {
10791                        pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath,
10792                                installFlags, packageAbiOverride);
10793                    }
10794
10795                    /*
10796                     * The cache free must have deleted the file we
10797                     * downloaded to install.
10798                     *
10799                     * TODO: fix the "freeCache" call to not delete
10800                     *       the file we care about.
10801                     */
10802                    if (pkgLite.recommendedInstallLocation
10803                            == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
10804                        pkgLite.recommendedInstallLocation
10805                            = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE;
10806                    }
10807                }
10808            }
10809
10810            if (ret == PackageManager.INSTALL_SUCCEEDED) {
10811                int loc = pkgLite.recommendedInstallLocation;
10812                if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) {
10813                    ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
10814                } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) {
10815                    ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
10816                } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
10817                    ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
10818                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) {
10819                    ret = PackageManager.INSTALL_FAILED_INVALID_APK;
10820                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
10821                    ret = PackageManager.INSTALL_FAILED_INVALID_URI;
10822                } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) {
10823                    ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE;
10824                } else {
10825                    // Override with defaults if needed.
10826                    loc = installLocationPolicy(pkgLite);
10827                    if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) {
10828                        ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE;
10829                    } else if (!onSd && !onInt) {
10830                        // Override install location with flags
10831                        if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) {
10832                            // Set the flag to install on external media.
10833                            installFlags |= PackageManager.INSTALL_EXTERNAL;
10834                            installFlags &= ~PackageManager.INSTALL_INTERNAL;
10835                        } else {
10836                            // Make sure the flag for installing on external
10837                            // media is unset
10838                            installFlags |= PackageManager.INSTALL_INTERNAL;
10839                            installFlags &= ~PackageManager.INSTALL_EXTERNAL;
10840                        }
10841                    }
10842                }
10843            }
10844
10845            final InstallArgs args = createInstallArgs(this);
10846            mArgs = args;
10847
10848            if (ret == PackageManager.INSTALL_SUCCEEDED) {
10849                // TODO: http://b/22976637
10850                // Apps installed for "all" users use the device owner to verify the app
10851                UserHandle verifierUser = getUser();
10852                if (verifierUser == UserHandle.ALL) {
10853                    verifierUser = UserHandle.SYSTEM;
10854                }
10855
10856                /*
10857                 * Determine if we have any installed package verifiers. If we
10858                 * do, then we'll defer to them to verify the packages.
10859                 */
10860                final int requiredUid = mRequiredVerifierPackage == null ? -1
10861                        : getPackageUid(mRequiredVerifierPackage, verifierUser.getIdentifier());
10862                if (!origin.existing && requiredUid != -1
10863                        && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) {
10864                    final Intent verification = new Intent(
10865                            Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
10866                    verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
10867                    verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)),
10868                            PACKAGE_MIME_TYPE);
10869                    verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
10870
10871                    final List<ResolveInfo> receivers = queryIntentReceivers(verification,
10872                            PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS,
10873                            verifierUser.getIdentifier());
10874
10875                    if (DEBUG_VERIFY) {
10876                        Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent "
10877                                + verification.toString() + " with " + pkgLite.verifiers.length
10878                                + " optional verifiers");
10879                    }
10880
10881                    final int verificationId = mPendingVerificationToken++;
10882
10883                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
10884
10885                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE,
10886                            installerPackageName);
10887
10888                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS,
10889                            installFlags);
10890
10891                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME,
10892                            pkgLite.packageName);
10893
10894                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE,
10895                            pkgLite.versionCode);
10896
10897                    if (verificationParams != null) {
10898                        if (verificationParams.getVerificationURI() != null) {
10899                           verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI,
10900                                 verificationParams.getVerificationURI());
10901                        }
10902                        if (verificationParams.getOriginatingURI() != null) {
10903                            verification.putExtra(Intent.EXTRA_ORIGINATING_URI,
10904                                  verificationParams.getOriginatingURI());
10905                        }
10906                        if (verificationParams.getReferrer() != null) {
10907                            verification.putExtra(Intent.EXTRA_REFERRER,
10908                                  verificationParams.getReferrer());
10909                        }
10910                        if (verificationParams.getOriginatingUid() >= 0) {
10911                            verification.putExtra(Intent.EXTRA_ORIGINATING_UID,
10912                                  verificationParams.getOriginatingUid());
10913                        }
10914                        if (verificationParams.getInstallerUid() >= 0) {
10915                            verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID,
10916                                  verificationParams.getInstallerUid());
10917                        }
10918                    }
10919
10920                    final PackageVerificationState verificationState = new PackageVerificationState(
10921                            requiredUid, args);
10922
10923                    mPendingVerification.append(verificationId, verificationState);
10924
10925                    final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite,
10926                            receivers, verificationState);
10927
10928                    /*
10929                     * If any sufficient verifiers were listed in the package
10930                     * manifest, attempt to ask them.
10931                     */
10932                    if (sufficientVerifiers != null) {
10933                        final int N = sufficientVerifiers.size();
10934                        if (N == 0) {
10935                            Slog.i(TAG, "Additional verifiers required, but none installed.");
10936                            ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
10937                        } else {
10938                            for (int i = 0; i < N; i++) {
10939                                final ComponentName verifierComponent = sufficientVerifiers.get(i);
10940
10941                                final Intent sufficientIntent = new Intent(verification);
10942                                sufficientIntent.setComponent(verifierComponent);
10943                                mContext.sendBroadcastAsUser(sufficientIntent, verifierUser);
10944                            }
10945                        }
10946                    }
10947
10948                    final ComponentName requiredVerifierComponent = matchComponentForVerifier(
10949                            mRequiredVerifierPackage, receivers);
10950                    if (ret == PackageManager.INSTALL_SUCCEEDED
10951                            && mRequiredVerifierPackage != null) {
10952                        Trace.asyncTraceBegin(
10953                                TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId);
10954                        /*
10955                         * Send the intent to the required verification agent,
10956                         * but only start the verification timeout after the
10957                         * target BroadcastReceivers have run.
10958                         */
10959                        verification.setComponent(requiredVerifierComponent);
10960                        mContext.sendOrderedBroadcastAsUser(verification, verifierUser,
10961                                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
10962                                new BroadcastReceiver() {
10963                                    @Override
10964                                    public void onReceive(Context context, Intent intent) {
10965                                        final Message msg = mHandler
10966                                                .obtainMessage(CHECK_PENDING_VERIFICATION);
10967                                        msg.arg1 = verificationId;
10968                                        mHandler.sendMessageDelayed(msg, getVerificationTimeout());
10969                                    }
10970                                }, null, 0, null, null);
10971
10972                        /*
10973                         * We don't want the copy to proceed until verification
10974                         * succeeds, so null out this field.
10975                         */
10976                        mArgs = null;
10977                    }
10978                } else {
10979                    /*
10980                     * No package verification is enabled, so immediately start
10981                     * the remote call to initiate copy using temporary file.
10982                     */
10983                    ret = args.copyApk(mContainerService, true);
10984                }
10985            }
10986
10987            mRet = ret;
10988        }
10989
10990        @Override
10991        void handleReturnCode() {
10992            // If mArgs is null, then MCS couldn't be reached. When it
10993            // reconnects, it will try again to install. At that point, this
10994            // will succeed.
10995            if (mArgs != null) {
10996                processPendingInstall(mArgs, mRet);
10997            }
10998        }
10999
11000        @Override
11001        void handleServiceError() {
11002            mArgs = createInstallArgs(this);
11003            mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
11004        }
11005
11006        public boolean isForwardLocked() {
11007            return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
11008        }
11009    }
11010
11011    /**
11012     * Used during creation of InstallArgs
11013     *
11014     * @param installFlags package installation flags
11015     * @return true if should be installed on external storage
11016     */
11017    private static boolean installOnExternalAsec(int installFlags) {
11018        if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) {
11019            return false;
11020        }
11021        if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) {
11022            return true;
11023        }
11024        return false;
11025    }
11026
11027    /**
11028     * Used during creation of InstallArgs
11029     *
11030     * @param installFlags package installation flags
11031     * @return true if should be installed as forward locked
11032     */
11033    private static boolean installForwardLocked(int installFlags) {
11034        return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
11035    }
11036
11037    private InstallArgs createInstallArgs(InstallParams params) {
11038        if (params.move != null) {
11039            return new MoveInstallArgs(params);
11040        } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) {
11041            return new AsecInstallArgs(params);
11042        } else {
11043            return new FileInstallArgs(params);
11044        }
11045    }
11046
11047    /**
11048     * Create args that describe an existing installed package. Typically used
11049     * when cleaning up old installs, or used as a move source.
11050     */
11051    private InstallArgs createInstallArgsForExisting(int installFlags, String codePath,
11052            String resourcePath, String[] instructionSets) {
11053        final boolean isInAsec;
11054        if (installOnExternalAsec(installFlags)) {
11055            /* Apps on SD card are always in ASEC containers. */
11056            isInAsec = true;
11057        } else if (installForwardLocked(installFlags)
11058                && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) {
11059            /*
11060             * Forward-locked apps are only in ASEC containers if they're the
11061             * new style
11062             */
11063            isInAsec = true;
11064        } else {
11065            isInAsec = false;
11066        }
11067
11068        if (isInAsec) {
11069            return new AsecInstallArgs(codePath, instructionSets,
11070                    installOnExternalAsec(installFlags), installForwardLocked(installFlags));
11071        } else {
11072            return new FileInstallArgs(codePath, resourcePath, instructionSets);
11073        }
11074    }
11075
11076    static abstract class InstallArgs {
11077        /** @see InstallParams#origin */
11078        final OriginInfo origin;
11079        /** @see InstallParams#move */
11080        final MoveInfo move;
11081
11082        final IPackageInstallObserver2 observer;
11083        // Always refers to PackageManager flags only
11084        final int installFlags;
11085        final String installerPackageName;
11086        final String volumeUuid;
11087        final ManifestDigest manifestDigest;
11088        final UserHandle user;
11089        final String abiOverride;
11090        final String[] installGrantPermissions;
11091        /** If non-null, drop an async trace when the install completes */
11092        final String traceMethod;
11093        final int traceCookie;
11094
11095        // The list of instruction sets supported by this app. This is currently
11096        // only used during the rmdex() phase to clean up resources. We can get rid of this
11097        // if we move dex files under the common app path.
11098        /* nullable */ String[] instructionSets;
11099
11100        InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer,
11101                int installFlags, String installerPackageName, String volumeUuid,
11102                ManifestDigest manifestDigest, UserHandle user, String[] instructionSets,
11103                String abiOverride, String[] installGrantPermissions,
11104                String traceMethod, int traceCookie) {
11105            this.origin = origin;
11106            this.move = move;
11107            this.installFlags = installFlags;
11108            this.observer = observer;
11109            this.installerPackageName = installerPackageName;
11110            this.volumeUuid = volumeUuid;
11111            this.manifestDigest = manifestDigest;
11112            this.user = user;
11113            this.instructionSets = instructionSets;
11114            this.abiOverride = abiOverride;
11115            this.installGrantPermissions = installGrantPermissions;
11116            this.traceMethod = traceMethod;
11117            this.traceCookie = traceCookie;
11118        }
11119
11120        abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException;
11121        abstract int doPreInstall(int status);
11122
11123        /**
11124         * Rename package into final resting place. All paths on the given
11125         * scanned package should be updated to reflect the rename.
11126         */
11127        abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath);
11128        abstract int doPostInstall(int status, int uid);
11129
11130        /** @see PackageSettingBase#codePathString */
11131        abstract String getCodePath();
11132        /** @see PackageSettingBase#resourcePathString */
11133        abstract String getResourcePath();
11134
11135        // Need installer lock especially for dex file removal.
11136        abstract void cleanUpResourcesLI();
11137        abstract boolean doPostDeleteLI(boolean delete);
11138
11139        /**
11140         * Called before the source arguments are copied. This is used mostly
11141         * for MoveParams when it needs to read the source file to put it in the
11142         * destination.
11143         */
11144        int doPreCopy() {
11145            return PackageManager.INSTALL_SUCCEEDED;
11146        }
11147
11148        /**
11149         * Called after the source arguments are copied. This is used mostly for
11150         * MoveParams when it needs to read the source file to put it in the
11151         * destination.
11152         *
11153         * @return
11154         */
11155        int doPostCopy(int uid) {
11156            return PackageManager.INSTALL_SUCCEEDED;
11157        }
11158
11159        protected boolean isFwdLocked() {
11160            return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
11161        }
11162
11163        protected boolean isExternalAsec() {
11164            return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
11165        }
11166
11167        UserHandle getUser() {
11168            return user;
11169        }
11170    }
11171
11172    private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) {
11173        if (!allCodePaths.isEmpty()) {
11174            if (instructionSets == null) {
11175                throw new IllegalStateException("instructionSet == null");
11176            }
11177            String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets);
11178            for (String codePath : allCodePaths) {
11179                for (String dexCodeInstructionSet : dexCodeInstructionSets) {
11180                    int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet);
11181                    if (retCode < 0) {
11182                        Slog.w(TAG, "Couldn't remove dex file for package: "
11183                                + " at location " + codePath + ", retcode=" + retCode);
11184                        // we don't consider this to be a failure of the core package deletion
11185                    }
11186                }
11187            }
11188        }
11189    }
11190
11191    /**
11192     * Logic to handle installation of non-ASEC applications, including copying
11193     * and renaming logic.
11194     */
11195    class FileInstallArgs extends InstallArgs {
11196        private File codeFile;
11197        private File resourceFile;
11198
11199        // Example topology:
11200        // /data/app/com.example/base.apk
11201        // /data/app/com.example/split_foo.apk
11202        // /data/app/com.example/lib/arm/libfoo.so
11203        // /data/app/com.example/lib/arm64/libfoo.so
11204        // /data/app/com.example/dalvik/arm/base.apk@classes.dex
11205
11206        /** New install */
11207        FileInstallArgs(InstallParams params) {
11208            super(params.origin, params.move, params.observer, params.installFlags,
11209                    params.installerPackageName, params.volumeUuid, params.getManifestDigest(),
11210                    params.getUser(), null /* instruction sets */, params.packageAbiOverride,
11211                    params.grantedRuntimePermissions,
11212                    params.traceMethod, params.traceCookie);
11213            if (isFwdLocked()) {
11214                throw new IllegalArgumentException("Forward locking only supported in ASEC");
11215            }
11216        }
11217
11218        /** Existing install */
11219        FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) {
11220            super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets,
11221                    null, null, null, 0);
11222            this.codeFile = (codePath != null) ? new File(codePath) : null;
11223            this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null;
11224        }
11225
11226        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
11227            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk");
11228            try {
11229                return doCopyApk(imcs, temp);
11230            } finally {
11231                Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
11232            }
11233        }
11234
11235        private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
11236            if (origin.staged) {
11237                if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy");
11238                codeFile = origin.file;
11239                resourceFile = origin.file;
11240                return PackageManager.INSTALL_SUCCEEDED;
11241            }
11242
11243            try {
11244                final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid);
11245                codeFile = tempDir;
11246                resourceFile = tempDir;
11247            } catch (IOException e) {
11248                Slog.w(TAG, "Failed to create copy file: " + e);
11249                return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
11250            }
11251
11252            final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() {
11253                @Override
11254                public ParcelFileDescriptor open(String name, int mode) throws RemoteException {
11255                    if (!FileUtils.isValidExtFilename(name)) {
11256                        throw new IllegalArgumentException("Invalid filename: " + name);
11257                    }
11258                    try {
11259                        final File file = new File(codeFile, name);
11260                        final FileDescriptor fd = Os.open(file.getAbsolutePath(),
11261                                O_RDWR | O_CREAT, 0644);
11262                        Os.chmod(file.getAbsolutePath(), 0644);
11263                        return new ParcelFileDescriptor(fd);
11264                    } catch (ErrnoException e) {
11265                        throw new RemoteException("Failed to open: " + e.getMessage());
11266                    }
11267                }
11268            };
11269
11270            int ret = PackageManager.INSTALL_SUCCEEDED;
11271            ret = imcs.copyPackage(origin.file.getAbsolutePath(), target);
11272            if (ret != PackageManager.INSTALL_SUCCEEDED) {
11273                Slog.e(TAG, "Failed to copy package");
11274                return ret;
11275            }
11276
11277            final File libraryRoot = new File(codeFile, LIB_DIR_NAME);
11278            NativeLibraryHelper.Handle handle = null;
11279            try {
11280                handle = NativeLibraryHelper.Handle.create(codeFile);
11281                ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot,
11282                        abiOverride);
11283            } catch (IOException e) {
11284                Slog.e(TAG, "Copying native libraries failed", e);
11285                ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
11286            } finally {
11287                IoUtils.closeQuietly(handle);
11288            }
11289
11290            return ret;
11291        }
11292
11293        int doPreInstall(int status) {
11294            if (status != PackageManager.INSTALL_SUCCEEDED) {
11295                cleanUp();
11296            }
11297            return status;
11298        }
11299
11300        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
11301            if (status != PackageManager.INSTALL_SUCCEEDED) {
11302                cleanUp();
11303                return false;
11304            }
11305
11306            final File targetDir = codeFile.getParentFile();
11307            final File beforeCodeFile = codeFile;
11308            final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName);
11309
11310            if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile);
11311            try {
11312                Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath());
11313            } catch (ErrnoException e) {
11314                Slog.w(TAG, "Failed to rename", e);
11315                return false;
11316            }
11317
11318            if (!SELinux.restoreconRecursive(afterCodeFile)) {
11319                Slog.w(TAG, "Failed to restorecon");
11320                return false;
11321            }
11322
11323            // Reflect the rename internally
11324            codeFile = afterCodeFile;
11325            resourceFile = afterCodeFile;
11326
11327            // Reflect the rename in scanned details
11328            pkg.codePath = afterCodeFile.getAbsolutePath();
11329            pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
11330                    pkg.baseCodePath);
11331            pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
11332                    pkg.splitCodePaths);
11333
11334            // Reflect the rename in app info
11335            pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
11336            pkg.applicationInfo.setCodePath(pkg.codePath);
11337            pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
11338            pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
11339            pkg.applicationInfo.setResourcePath(pkg.codePath);
11340            pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
11341            pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
11342
11343            return true;
11344        }
11345
11346        int doPostInstall(int status, int uid) {
11347            if (status != PackageManager.INSTALL_SUCCEEDED) {
11348                cleanUp();
11349            }
11350            return status;
11351        }
11352
11353        @Override
11354        String getCodePath() {
11355            return (codeFile != null) ? codeFile.getAbsolutePath() : null;
11356        }
11357
11358        @Override
11359        String getResourcePath() {
11360            return (resourceFile != null) ? resourceFile.getAbsolutePath() : null;
11361        }
11362
11363        private boolean cleanUp() {
11364            if (codeFile == null || !codeFile.exists()) {
11365                return false;
11366            }
11367
11368            if (codeFile.isDirectory()) {
11369                mInstaller.rmPackageDir(codeFile.getAbsolutePath());
11370            } else {
11371                codeFile.delete();
11372            }
11373
11374            if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) {
11375                resourceFile.delete();
11376            }
11377
11378            return true;
11379        }
11380
11381        void cleanUpResourcesLI() {
11382            // Try enumerating all code paths before deleting
11383            List<String> allCodePaths = Collections.EMPTY_LIST;
11384            if (codeFile != null && codeFile.exists()) {
11385                try {
11386                    final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0);
11387                    allCodePaths = pkg.getAllCodePaths();
11388                } catch (PackageParserException e) {
11389                    // Ignored; we tried our best
11390                }
11391            }
11392
11393            cleanUp();
11394            removeDexFiles(allCodePaths, instructionSets);
11395        }
11396
11397        boolean doPostDeleteLI(boolean delete) {
11398            // XXX err, shouldn't we respect the delete flag?
11399            cleanUpResourcesLI();
11400            return true;
11401        }
11402    }
11403
11404    private boolean isAsecExternal(String cid) {
11405        final String asecPath = PackageHelper.getSdFilesystem(cid);
11406        return !asecPath.startsWith(mAsecInternalPath);
11407    }
11408
11409    private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws
11410            PackageManagerException {
11411        if (copyRet < 0) {
11412            if (copyRet != PackageManager.NO_NATIVE_LIBRARIES &&
11413                    copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) {
11414                throw new PackageManagerException(copyRet, message);
11415            }
11416        }
11417    }
11418
11419    /**
11420     * Extract the MountService "container ID" from the full code path of an
11421     * .apk.
11422     */
11423    static String cidFromCodePath(String fullCodePath) {
11424        int eidx = fullCodePath.lastIndexOf("/");
11425        String subStr1 = fullCodePath.substring(0, eidx);
11426        int sidx = subStr1.lastIndexOf("/");
11427        return subStr1.substring(sidx+1, eidx);
11428    }
11429
11430    /**
11431     * Logic to handle installation of ASEC applications, including copying and
11432     * renaming logic.
11433     */
11434    class AsecInstallArgs extends InstallArgs {
11435        static final String RES_FILE_NAME = "pkg.apk";
11436        static final String PUBLIC_RES_FILE_NAME = "res.zip";
11437
11438        String cid;
11439        String packagePath;
11440        String resourcePath;
11441
11442        /** New install */
11443        AsecInstallArgs(InstallParams params) {
11444            super(params.origin, params.move, params.observer, params.installFlags,
11445                    params.installerPackageName, params.volumeUuid, params.getManifestDigest(),
11446                    params.getUser(), null /* instruction sets */, params.packageAbiOverride,
11447                    params.grantedRuntimePermissions,
11448                    params.traceMethod, params.traceCookie);
11449        }
11450
11451        /** Existing install */
11452        AsecInstallArgs(String fullCodePath, String[] instructionSets,
11453                        boolean isExternal, boolean isForwardLocked) {
11454            super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0)
11455                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null,
11456                    instructionSets, null, null, null, 0);
11457            // Hackily pretend we're still looking at a full code path
11458            if (!fullCodePath.endsWith(RES_FILE_NAME)) {
11459                fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath();
11460            }
11461
11462            // Extract cid from fullCodePath
11463            int eidx = fullCodePath.lastIndexOf("/");
11464            String subStr1 = fullCodePath.substring(0, eidx);
11465            int sidx = subStr1.lastIndexOf("/");
11466            cid = subStr1.substring(sidx+1, eidx);
11467            setMountPath(subStr1);
11468        }
11469
11470        AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) {
11471            super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0)
11472                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null,
11473                    instructionSets, null, null, null, 0);
11474            this.cid = cid;
11475            setMountPath(PackageHelper.getSdDir(cid));
11476        }
11477
11478        void createCopyFile() {
11479            cid = mInstallerService.allocateExternalStageCidLegacy();
11480        }
11481
11482        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
11483            if (origin.staged) {
11484                if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy");
11485                cid = origin.cid;
11486                setMountPath(PackageHelper.getSdDir(cid));
11487                return PackageManager.INSTALL_SUCCEEDED;
11488            }
11489
11490            if (temp) {
11491                createCopyFile();
11492            } else {
11493                /*
11494                 * Pre-emptively destroy the container since it's destroyed if
11495                 * copying fails due to it existing anyway.
11496                 */
11497                PackageHelper.destroySdDir(cid);
11498            }
11499
11500            final String newMountPath = imcs.copyPackageToContainer(
11501                    origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(),
11502                    isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */));
11503
11504            if (newMountPath != null) {
11505                setMountPath(newMountPath);
11506                return PackageManager.INSTALL_SUCCEEDED;
11507            } else {
11508                return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
11509            }
11510        }
11511
11512        @Override
11513        String getCodePath() {
11514            return packagePath;
11515        }
11516
11517        @Override
11518        String getResourcePath() {
11519            return resourcePath;
11520        }
11521
11522        int doPreInstall(int status) {
11523            if (status != PackageManager.INSTALL_SUCCEEDED) {
11524                // Destroy container
11525                PackageHelper.destroySdDir(cid);
11526            } else {
11527                boolean mounted = PackageHelper.isContainerMounted(cid);
11528                if (!mounted) {
11529                    String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(),
11530                            Process.SYSTEM_UID);
11531                    if (newMountPath != null) {
11532                        setMountPath(newMountPath);
11533                    } else {
11534                        return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
11535                    }
11536                }
11537            }
11538            return status;
11539        }
11540
11541        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
11542            String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME);
11543            String newMountPath = null;
11544            if (PackageHelper.isContainerMounted(cid)) {
11545                // Unmount the container
11546                if (!PackageHelper.unMountSdDir(cid)) {
11547                    Slog.i(TAG, "Failed to unmount " + cid + " before renaming");
11548                    return false;
11549                }
11550            }
11551            if (!PackageHelper.renameSdDir(cid, newCacheId)) {
11552                Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId +
11553                        " which might be stale. Will try to clean up.");
11554                // Clean up the stale container and proceed to recreate.
11555                if (!PackageHelper.destroySdDir(newCacheId)) {
11556                    Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId);
11557                    return false;
11558                }
11559                // Successfully cleaned up stale container. Try to rename again.
11560                if (!PackageHelper.renameSdDir(cid, newCacheId)) {
11561                    Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId
11562                            + " inspite of cleaning it up.");
11563                    return false;
11564                }
11565            }
11566            if (!PackageHelper.isContainerMounted(newCacheId)) {
11567                Slog.w(TAG, "Mounting container " + newCacheId);
11568                newMountPath = PackageHelper.mountSdDir(newCacheId,
11569                        getEncryptKey(), Process.SYSTEM_UID);
11570            } else {
11571                newMountPath = PackageHelper.getSdDir(newCacheId);
11572            }
11573            if (newMountPath == null) {
11574                Slog.w(TAG, "Failed to get cache path for  " + newCacheId);
11575                return false;
11576            }
11577            Log.i(TAG, "Succesfully renamed " + cid +
11578                    " to " + newCacheId +
11579                    " at new path: " + newMountPath);
11580            cid = newCacheId;
11581
11582            final File beforeCodeFile = new File(packagePath);
11583            setMountPath(newMountPath);
11584            final File afterCodeFile = new File(packagePath);
11585
11586            // Reflect the rename in scanned details
11587            pkg.codePath = afterCodeFile.getAbsolutePath();
11588            pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
11589                    pkg.baseCodePath);
11590            pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
11591                    pkg.splitCodePaths);
11592
11593            // Reflect the rename in app info
11594            pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
11595            pkg.applicationInfo.setCodePath(pkg.codePath);
11596            pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
11597            pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
11598            pkg.applicationInfo.setResourcePath(pkg.codePath);
11599            pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
11600            pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
11601
11602            return true;
11603        }
11604
11605        private void setMountPath(String mountPath) {
11606            final File mountFile = new File(mountPath);
11607
11608            final File monolithicFile = new File(mountFile, RES_FILE_NAME);
11609            if (monolithicFile.exists()) {
11610                packagePath = monolithicFile.getAbsolutePath();
11611                if (isFwdLocked()) {
11612                    resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath();
11613                } else {
11614                    resourcePath = packagePath;
11615                }
11616            } else {
11617                packagePath = mountFile.getAbsolutePath();
11618                resourcePath = packagePath;
11619            }
11620        }
11621
11622        int doPostInstall(int status, int uid) {
11623            if (status != PackageManager.INSTALL_SUCCEEDED) {
11624                cleanUp();
11625            } else {
11626                final int groupOwner;
11627                final String protectedFile;
11628                if (isFwdLocked()) {
11629                    groupOwner = UserHandle.getSharedAppGid(uid);
11630                    protectedFile = RES_FILE_NAME;
11631                } else {
11632                    groupOwner = -1;
11633                    protectedFile = null;
11634                }
11635
11636                if (uid < Process.FIRST_APPLICATION_UID
11637                        || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) {
11638                    Slog.e(TAG, "Failed to finalize " + cid);
11639                    PackageHelper.destroySdDir(cid);
11640                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
11641                }
11642
11643                boolean mounted = PackageHelper.isContainerMounted(cid);
11644                if (!mounted) {
11645                    PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid());
11646                }
11647            }
11648            return status;
11649        }
11650
11651        private void cleanUp() {
11652            if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp");
11653
11654            // Destroy secure container
11655            PackageHelper.destroySdDir(cid);
11656        }
11657
11658        private List<String> getAllCodePaths() {
11659            final File codeFile = new File(getCodePath());
11660            if (codeFile != null && codeFile.exists()) {
11661                try {
11662                    final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0);
11663                    return pkg.getAllCodePaths();
11664                } catch (PackageParserException e) {
11665                    // Ignored; we tried our best
11666                }
11667            }
11668            return Collections.EMPTY_LIST;
11669        }
11670
11671        void cleanUpResourcesLI() {
11672            // Enumerate all code paths before deleting
11673            cleanUpResourcesLI(getAllCodePaths());
11674        }
11675
11676        private void cleanUpResourcesLI(List<String> allCodePaths) {
11677            cleanUp();
11678            removeDexFiles(allCodePaths, instructionSets);
11679        }
11680
11681        String getPackageName() {
11682            return getAsecPackageName(cid);
11683        }
11684
11685        boolean doPostDeleteLI(boolean delete) {
11686            if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete);
11687            final List<String> allCodePaths = getAllCodePaths();
11688            boolean mounted = PackageHelper.isContainerMounted(cid);
11689            if (mounted) {
11690                // Unmount first
11691                if (PackageHelper.unMountSdDir(cid)) {
11692                    mounted = false;
11693                }
11694            }
11695            if (!mounted && delete) {
11696                cleanUpResourcesLI(allCodePaths);
11697            }
11698            return !mounted;
11699        }
11700
11701        @Override
11702        int doPreCopy() {
11703            if (isFwdLocked()) {
11704                if (!PackageHelper.fixSdPermissions(cid,
11705                        getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) {
11706                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
11707                }
11708            }
11709
11710            return PackageManager.INSTALL_SUCCEEDED;
11711        }
11712
11713        @Override
11714        int doPostCopy(int uid) {
11715            if (isFwdLocked()) {
11716                if (uid < Process.FIRST_APPLICATION_UID
11717                        || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid),
11718                                RES_FILE_NAME)) {
11719                    Slog.e(TAG, "Failed to finalize " + cid);
11720                    PackageHelper.destroySdDir(cid);
11721                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
11722                }
11723            }
11724
11725            return PackageManager.INSTALL_SUCCEEDED;
11726        }
11727    }
11728
11729    /**
11730     * Logic to handle movement of existing installed applications.
11731     */
11732    class MoveInstallArgs extends InstallArgs {
11733        private File codeFile;
11734        private File resourceFile;
11735
11736        /** New install */
11737        MoveInstallArgs(InstallParams params) {
11738            super(params.origin, params.move, params.observer, params.installFlags,
11739                    params.installerPackageName, params.volumeUuid, params.getManifestDigest(),
11740                    params.getUser(), null /* instruction sets */, params.packageAbiOverride,
11741                    params.grantedRuntimePermissions,
11742                    params.traceMethod, params.traceCookie);
11743        }
11744
11745        int copyApk(IMediaContainerService imcs, boolean temp) {
11746            if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from "
11747                    + move.fromUuid + " to " + move.toUuid);
11748            synchronized (mInstaller) {
11749                if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName,
11750                        move.dataAppName, move.appId, move.seinfo) != 0) {
11751                    return PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
11752                }
11753            }
11754
11755            codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName);
11756            resourceFile = codeFile;
11757            if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile);
11758
11759            return PackageManager.INSTALL_SUCCEEDED;
11760        }
11761
11762        int doPreInstall(int status) {
11763            if (status != PackageManager.INSTALL_SUCCEEDED) {
11764                cleanUp(move.toUuid);
11765            }
11766            return status;
11767        }
11768
11769        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
11770            if (status != PackageManager.INSTALL_SUCCEEDED) {
11771                cleanUp(move.toUuid);
11772                return false;
11773            }
11774
11775            // Reflect the move in app info
11776            pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
11777            pkg.applicationInfo.setCodePath(pkg.codePath);
11778            pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
11779            pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
11780            pkg.applicationInfo.setResourcePath(pkg.codePath);
11781            pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
11782            pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
11783
11784            return true;
11785        }
11786
11787        int doPostInstall(int status, int uid) {
11788            if (status == PackageManager.INSTALL_SUCCEEDED) {
11789                cleanUp(move.fromUuid);
11790            } else {
11791                cleanUp(move.toUuid);
11792            }
11793            return status;
11794        }
11795
11796        @Override
11797        String getCodePath() {
11798            return (codeFile != null) ? codeFile.getAbsolutePath() : null;
11799        }
11800
11801        @Override
11802        String getResourcePath() {
11803            return (resourceFile != null) ? resourceFile.getAbsolutePath() : null;
11804        }
11805
11806        private boolean cleanUp(String volumeUuid) {
11807            final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid),
11808                    move.dataAppName);
11809            Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid);
11810            synchronized (mInstallLock) {
11811                // Clean up both app data and code
11812                removeDataDirsLI(volumeUuid, move.packageName);
11813                if (codeFile.isDirectory()) {
11814                    mInstaller.rmPackageDir(codeFile.getAbsolutePath());
11815                } else {
11816                    codeFile.delete();
11817                }
11818            }
11819            return true;
11820        }
11821
11822        void cleanUpResourcesLI() {
11823            throw new UnsupportedOperationException();
11824        }
11825
11826        boolean doPostDeleteLI(boolean delete) {
11827            throw new UnsupportedOperationException();
11828        }
11829    }
11830
11831    static String getAsecPackageName(String packageCid) {
11832        int idx = packageCid.lastIndexOf("-");
11833        if (idx == -1) {
11834            return packageCid;
11835        }
11836        return packageCid.substring(0, idx);
11837    }
11838
11839    // Utility method used to create code paths based on package name and available index.
11840    private static String getNextCodePath(String oldCodePath, String prefix, String suffix) {
11841        String idxStr = "";
11842        int idx = 1;
11843        // Fall back to default value of idx=1 if prefix is not
11844        // part of oldCodePath
11845        if (oldCodePath != null) {
11846            String subStr = oldCodePath;
11847            // Drop the suffix right away
11848            if (suffix != null && subStr.endsWith(suffix)) {
11849                subStr = subStr.substring(0, subStr.length() - suffix.length());
11850            }
11851            // If oldCodePath already contains prefix find out the
11852            // ending index to either increment or decrement.
11853            int sidx = subStr.lastIndexOf(prefix);
11854            if (sidx != -1) {
11855                subStr = subStr.substring(sidx + prefix.length());
11856                if (subStr != null) {
11857                    if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) {
11858                        subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length());
11859                    }
11860                    try {
11861                        idx = Integer.parseInt(subStr);
11862                        if (idx <= 1) {
11863                            idx++;
11864                        } else {
11865                            idx--;
11866                        }
11867                    } catch(NumberFormatException e) {
11868                    }
11869                }
11870            }
11871        }
11872        idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx);
11873        return prefix + idxStr;
11874    }
11875
11876    private File getNextCodePath(File targetDir, String packageName) {
11877        int suffix = 1;
11878        File result;
11879        do {
11880            result = new File(targetDir, packageName + "-" + suffix);
11881            suffix++;
11882        } while (result.exists());
11883        return result;
11884    }
11885
11886    // Utility method that returns the relative package path with respect
11887    // to the installation directory. Like say for /data/data/com.test-1.apk
11888    // string com.test-1 is returned.
11889    static String deriveCodePathName(String codePath) {
11890        if (codePath == null) {
11891            return null;
11892        }
11893        final File codeFile = new File(codePath);
11894        final String name = codeFile.getName();
11895        if (codeFile.isDirectory()) {
11896            return name;
11897        } else if (name.endsWith(".apk") || name.endsWith(".tmp")) {
11898            final int lastDot = name.lastIndexOf('.');
11899            return name.substring(0, lastDot);
11900        } else {
11901            Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK");
11902            return null;
11903        }
11904    }
11905
11906    class PackageInstalledInfo {
11907        String name;
11908        int uid;
11909        // The set of users that originally had this package installed.
11910        int[] origUsers;
11911        // The set of users that now have this package installed.
11912        int[] newUsers;
11913        PackageParser.Package pkg;
11914        int returnCode;
11915        String returnMsg;
11916        PackageRemovedInfo removedInfo;
11917
11918        public void setError(int code, String msg) {
11919            returnCode = code;
11920            returnMsg = msg;
11921            Slog.w(TAG, msg);
11922        }
11923
11924        public void setError(String msg, PackageParserException e) {
11925            returnCode = e.error;
11926            returnMsg = ExceptionUtils.getCompleteMessage(msg, e);
11927            Slog.w(TAG, msg, e);
11928        }
11929
11930        public void setError(String msg, PackageManagerException e) {
11931            returnCode = e.error;
11932            returnMsg = ExceptionUtils.getCompleteMessage(msg, e);
11933            Slog.w(TAG, msg, e);
11934        }
11935
11936        // In some error cases we want to convey more info back to the observer
11937        String origPackage;
11938        String origPermission;
11939    }
11940
11941    /*
11942     * Install a non-existing package.
11943     */
11944    private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags,
11945            UserHandle user, String installerPackageName, String volumeUuid,
11946            PackageInstalledInfo res) {
11947        Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage");
11948
11949        // Remember this for later, in case we need to rollback this install
11950        String pkgName = pkg.packageName;
11951
11952        if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg);
11953        // TODO: b/23350563
11954        final boolean dataDirExists = Environment
11955                .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_SYSTEM, pkgName).exists();
11956
11957        synchronized(mPackages) {
11958            if (mSettings.mRenamedPackages.containsKey(pkgName)) {
11959                // A package with the same name is already installed, though
11960                // it has been renamed to an older name.  The package we
11961                // are trying to install should be installed as an update to
11962                // the existing one, but that has not been requested, so bail.
11963                res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
11964                        + " without first uninstalling package running as "
11965                        + mSettings.mRenamedPackages.get(pkgName));
11966                return;
11967            }
11968            if (mPackages.containsKey(pkgName)) {
11969                // Don't allow installation over an existing package with the same name.
11970                res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
11971                        + " without first uninstalling.");
11972                return;
11973            }
11974        }
11975
11976        try {
11977            PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags,
11978                    System.currentTimeMillis(), user);
11979
11980            updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user);
11981            // delete the partially installed application. the data directory will have to be
11982            // restored if it was already existing
11983            if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
11984                // remove package from internal structures.  Note that we want deletePackageX to
11985                // delete the package data and cache directories that it created in
11986                // scanPackageLocked, unless those directories existed before we even tried to
11987                // install.
11988                deletePackageLI(pkgName, UserHandle.ALL, false, null, null,
11989                        dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0,
11990                                res.removedInfo, true);
11991            }
11992
11993        } catch (PackageManagerException e) {
11994            res.setError("Package couldn't be installed in " + pkg.codePath, e);
11995        }
11996
11997        Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
11998    }
11999
12000    private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) {
12001        // Can't rotate keys during boot or if sharedUser.
12002        if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null
12003                || !oldPs.keySetData.isUsingUpgradeKeySets()) {
12004            return false;
12005        }
12006        // app is using upgradeKeySets; make sure all are valid
12007        KeySetManagerService ksms = mSettings.mKeySetManagerService;
12008        long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets();
12009        for (int i = 0; i < upgradeKeySets.length; i++) {
12010            if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) {
12011                Slog.wtf(TAG, "Package "
12012                         + (oldPs.name != null ? oldPs.name : "<null>")
12013                         + " contains upgrade-key-set reference to unknown key-set: "
12014                         + upgradeKeySets[i]
12015                         + " reverting to signatures check.");
12016                return false;
12017            }
12018        }
12019        return true;
12020    }
12021
12022    private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) {
12023        // Upgrade keysets are being used.  Determine if new package has a superset of the
12024        // required keys.
12025        long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets();
12026        KeySetManagerService ksms = mSettings.mKeySetManagerService;
12027        for (int i = 0; i < upgradeKeySets.length; i++) {
12028            Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]);
12029            if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) {
12030                return true;
12031            }
12032        }
12033        return false;
12034    }
12035
12036    private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags,
12037            UserHandle user, String installerPackageName, String volumeUuid,
12038            PackageInstalledInfo res) {
12039        final PackageParser.Package oldPackage;
12040        final String pkgName = pkg.packageName;
12041        final int[] allUsers;
12042        final boolean[] perUserInstalled;
12043
12044        // First find the old package info and check signatures
12045        synchronized(mPackages) {
12046            oldPackage = mPackages.get(pkgName);
12047            if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage);
12048            final PackageSetting ps = mSettings.mPackages.get(pkgName);
12049            if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) {
12050                if(!checkUpgradeKeySetLP(ps, pkg)) {
12051                    res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
12052                            "New package not signed by keys specified by upgrade-keysets: "
12053                            + pkgName);
12054                    return;
12055                }
12056            } else {
12057                // default to original signature matching
12058                if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures)
12059                    != PackageManager.SIGNATURE_MATCH) {
12060                    res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
12061                            "New package has a different signature: " + pkgName);
12062                    return;
12063                }
12064            }
12065
12066            // In case of rollback, remember per-user/profile install state
12067            allUsers = sUserManager.getUserIds();
12068            perUserInstalled = new boolean[allUsers.length];
12069            for (int i = 0; i < allUsers.length; i++) {
12070                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
12071            }
12072        }
12073
12074        boolean sysPkg = (isSystemApp(oldPackage));
12075        if (sysPkg) {
12076            replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags,
12077                    user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res);
12078        } else {
12079            replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags,
12080                    user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res);
12081        }
12082    }
12083
12084    private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage,
12085            PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user,
12086            int[] allUsers, boolean[] perUserInstalled, String installerPackageName,
12087            String volumeUuid, PackageInstalledInfo res) {
12088        String pkgName = deletedPackage.packageName;
12089        boolean deletedPkg = true;
12090        boolean updatedSettings = false;
12091
12092        if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old="
12093                + deletedPackage);
12094        long origUpdateTime;
12095        if (pkg.mExtras != null) {
12096            origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime;
12097        } else {
12098            origUpdateTime = 0;
12099        }
12100
12101        // First delete the existing package while retaining the data directory
12102        if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA,
12103                res.removedInfo, true)) {
12104            // If the existing package wasn't successfully deleted
12105            res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI");
12106            deletedPkg = false;
12107        } else {
12108            // Successfully deleted the old package; proceed with replace.
12109
12110            // If deleted package lived in a container, give users a chance to
12111            // relinquish resources before killing.
12112            if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) {
12113                if (DEBUG_INSTALL) {
12114                    Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE");
12115                }
12116                final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid };
12117                final ArrayList<String> pkgList = new ArrayList<String>(1);
12118                pkgList.add(deletedPackage.applicationInfo.packageName);
12119                sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null);
12120            }
12121
12122            deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName);
12123            try {
12124                final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags,
12125                        scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user);
12126                updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers,
12127                        perUserInstalled, res, user);
12128                updatedSettings = true;
12129            } catch (PackageManagerException e) {
12130                res.setError("Package couldn't be installed in " + pkg.codePath, e);
12131            }
12132        }
12133
12134        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
12135            // remove package from internal structures.  Note that we want deletePackageX to
12136            // delete the package data and cache directories that it created in
12137            // scanPackageLocked, unless those directories existed before we even tried to
12138            // install.
12139            if(updatedSettings) {
12140                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName);
12141                deletePackageLI(
12142                        pkgName, null, true, allUsers, perUserInstalled,
12143                        PackageManager.DELETE_KEEP_DATA,
12144                                res.removedInfo, true);
12145            }
12146            // Since we failed to install the new package we need to restore the old
12147            // package that we deleted.
12148            if (deletedPkg) {
12149                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage);
12150                File restoreFile = new File(deletedPackage.codePath);
12151                // Parse old package
12152                boolean oldExternal = isExternal(deletedPackage);
12153                int oldParseFlags  = mDefParseFlags | PackageParser.PARSE_CHATTY |
12154                        (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) |
12155                        (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0);
12156                int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME;
12157                try {
12158                    scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime,
12159                            null);
12160                } catch (PackageManagerException e) {
12161                    Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: "
12162                            + e.getMessage());
12163                    return;
12164                }
12165                // Restore of old package succeeded. Update permissions.
12166                // writer
12167                synchronized (mPackages) {
12168                    updatePermissionsLPw(deletedPackage.packageName, deletedPackage,
12169                            UPDATE_PERMISSIONS_ALL);
12170                    // can downgrade to reader
12171                    mSettings.writeLPr();
12172                }
12173                Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade");
12174            }
12175        }
12176    }
12177
12178    private void replaceSystemPackageLI(PackageParser.Package deletedPackage,
12179            PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user,
12180            int[] allUsers, boolean[] perUserInstalled, String installerPackageName,
12181            String volumeUuid, PackageInstalledInfo res) {
12182        if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg
12183                + ", old=" + deletedPackage);
12184        boolean disabledSystem = false;
12185        boolean updatedSettings = false;
12186        parseFlags |= PackageParser.PARSE_IS_SYSTEM;
12187        if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED)
12188                != 0) {
12189            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
12190        }
12191        String packageName = deletedPackage.packageName;
12192        if (packageName == null) {
12193            res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
12194                    "Attempt to delete null packageName.");
12195            return;
12196        }
12197        PackageParser.Package oldPkg;
12198        PackageSetting oldPkgSetting;
12199        // reader
12200        synchronized (mPackages) {
12201            oldPkg = mPackages.get(packageName);
12202            oldPkgSetting = mSettings.mPackages.get(packageName);
12203            if((oldPkg == null) || (oldPkg.applicationInfo == null) ||
12204                    (oldPkgSetting == null)) {
12205                res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
12206                        "Couldn't find package:" + packageName + " information");
12207                return;
12208            }
12209        }
12210
12211        killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg");
12212
12213        res.removedInfo.uid = oldPkg.applicationInfo.uid;
12214        res.removedInfo.removedPackage = packageName;
12215        // Remove existing system package
12216        removePackageLI(oldPkgSetting, true);
12217        // writer
12218        synchronized (mPackages) {
12219            disabledSystem = mSettings.disableSystemPackageLPw(packageName);
12220            if (!disabledSystem && deletedPackage != null) {
12221                // We didn't need to disable the .apk as a current system package,
12222                // which means we are replacing another update that is already
12223                // installed.  We need to make sure to delete the older one's .apk.
12224                res.removedInfo.args = createInstallArgsForExisting(0,
12225                        deletedPackage.applicationInfo.getCodePath(),
12226                        deletedPackage.applicationInfo.getResourcePath(),
12227                        getAppDexInstructionSets(deletedPackage.applicationInfo));
12228            } else {
12229                res.removedInfo.args = null;
12230            }
12231        }
12232
12233        // Successfully disabled the old package. Now proceed with re-installation
12234        deleteCodeCacheDirsLI(pkg.volumeUuid, packageName);
12235
12236        res.returnCode = PackageManager.INSTALL_SUCCEEDED;
12237        pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
12238
12239        PackageParser.Package newPackage = null;
12240        try {
12241            newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user);
12242            if (newPackage.mExtras != null) {
12243                final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras;
12244                newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime;
12245                newPkgSetting.lastUpdateTime = System.currentTimeMillis();
12246
12247                // is the update attempting to change shared user? that isn't going to work...
12248                if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) {
12249                    res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
12250                            "Forbidding shared user change from " + oldPkgSetting.sharedUser
12251                            + " to " + newPkgSetting.sharedUser);
12252                    updatedSettings = true;
12253                }
12254            }
12255
12256            if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
12257                updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers,
12258                        perUserInstalled, res, user);
12259                updatedSettings = true;
12260            }
12261
12262        } catch (PackageManagerException e) {
12263            res.setError("Package couldn't be installed in " + pkg.codePath, e);
12264        }
12265
12266        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
12267            // Re installation failed. Restore old information
12268            // Remove new pkg information
12269            if (newPackage != null) {
12270                removeInstalledPackageLI(newPackage, true);
12271            }
12272            // Add back the old system package
12273            try {
12274                scanPackageTracedLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user);
12275            } catch (PackageManagerException e) {
12276                Slog.e(TAG, "Failed to restore original package: " + e.getMessage());
12277            }
12278            // Restore the old system information in Settings
12279            synchronized (mPackages) {
12280                if (disabledSystem) {
12281                    mSettings.enableSystemPackageLPw(packageName);
12282                }
12283                if (updatedSettings) {
12284                    mSettings.setInstallerPackageName(packageName,
12285                            oldPkgSetting.installerPackageName);
12286                }
12287                mSettings.writeLPr();
12288            }
12289        }
12290    }
12291
12292    private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) {
12293        // Collect all used permissions in the UID
12294        ArraySet<String> usedPermissions = new ArraySet<>();
12295        final int packageCount = su.packages.size();
12296        for (int i = 0; i < packageCount; i++) {
12297            PackageSetting ps = su.packages.valueAt(i);
12298            if (ps.pkg == null) {
12299                continue;
12300            }
12301            final int requestedPermCount = ps.pkg.requestedPermissions.size();
12302            for (int j = 0; j < requestedPermCount; j++) {
12303                String permission = ps.pkg.requestedPermissions.get(j);
12304                BasePermission bp = mSettings.mPermissions.get(permission);
12305                if (bp != null) {
12306                    usedPermissions.add(permission);
12307                }
12308            }
12309        }
12310
12311        PermissionsState permissionsState = su.getPermissionsState();
12312        // Prune install permissions
12313        List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates();
12314        final int installPermCount = installPermStates.size();
12315        for (int i = installPermCount - 1; i >= 0;  i--) {
12316            PermissionState permissionState = installPermStates.get(i);
12317            if (!usedPermissions.contains(permissionState.getName())) {
12318                BasePermission bp = mSettings.mPermissions.get(permissionState.getName());
12319                if (bp != null) {
12320                    permissionsState.revokeInstallPermission(bp);
12321                    permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL,
12322                            PackageManager.MASK_PERMISSION_FLAGS, 0);
12323                }
12324            }
12325        }
12326
12327        int[] runtimePermissionChangedUserIds = EmptyArray.INT;
12328
12329        // Prune runtime permissions
12330        for (int userId : allUserIds) {
12331            List<PermissionState> runtimePermStates = permissionsState
12332                    .getRuntimePermissionStates(userId);
12333            final int runtimePermCount = runtimePermStates.size();
12334            for (int i = runtimePermCount - 1; i >= 0; i--) {
12335                PermissionState permissionState = runtimePermStates.get(i);
12336                if (!usedPermissions.contains(permissionState.getName())) {
12337                    BasePermission bp = mSettings.mPermissions.get(permissionState.getName());
12338                    if (bp != null) {
12339                        permissionsState.revokeRuntimePermission(bp, userId);
12340                        permissionsState.updatePermissionFlags(bp, userId,
12341                                PackageManager.MASK_PERMISSION_FLAGS, 0);
12342                        runtimePermissionChangedUserIds = ArrayUtils.appendInt(
12343                                runtimePermissionChangedUserIds, userId);
12344                    }
12345                }
12346            }
12347        }
12348
12349        return runtimePermissionChangedUserIds;
12350    }
12351
12352    private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName,
12353            String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res,
12354            UserHandle user) {
12355        Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings");
12356
12357        String pkgName = newPackage.packageName;
12358        synchronized (mPackages) {
12359            //write settings. the installStatus will be incomplete at this stage.
12360            //note that the new package setting would have already been
12361            //added to mPackages. It hasn't been persisted yet.
12362            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE);
12363            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings");
12364            mSettings.writeLPr();
12365            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
12366        }
12367
12368        if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath);
12369        synchronized (mPackages) {
12370            updatePermissionsLPw(newPackage.packageName, newPackage,
12371                    UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0
12372                            ? UPDATE_PERMISSIONS_ALL : 0));
12373            // For system-bundled packages, we assume that installing an upgraded version
12374            // of the package implies that the user actually wants to run that new code,
12375            // so we enable the package.
12376            PackageSetting ps = mSettings.mPackages.get(pkgName);
12377            if (ps != null) {
12378                if (isSystemApp(newPackage)) {
12379                    // NB: implicit assumption that system package upgrades apply to all users
12380                    if (DEBUG_INSTALL) {
12381                        Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName);
12382                    }
12383                    if (res.origUsers != null) {
12384                        for (int userHandle : res.origUsers) {
12385                            ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT,
12386                                    userHandle, installerPackageName);
12387                        }
12388                    }
12389                    // Also convey the prior install/uninstall state
12390                    if (allUsers != null && perUserInstalled != null) {
12391                        for (int i = 0; i < allUsers.length; i++) {
12392                            if (DEBUG_INSTALL) {
12393                                Slog.d(TAG, "    user " + allUsers[i]
12394                                        + " => " + perUserInstalled[i]);
12395                            }
12396                            ps.setInstalled(perUserInstalled[i], allUsers[i]);
12397                        }
12398                        // these install state changes will be persisted in the
12399                        // upcoming call to mSettings.writeLPr().
12400                    }
12401                }
12402                // It's implied that when a user requests installation, they want the app to be
12403                // installed and enabled.
12404                int userId = user.getIdentifier();
12405                if (userId != UserHandle.USER_ALL) {
12406                    ps.setInstalled(true, userId);
12407                    ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName);
12408                }
12409            }
12410            res.name = pkgName;
12411            res.uid = newPackage.applicationInfo.uid;
12412            res.pkg = newPackage;
12413            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE);
12414            mSettings.setInstallerPackageName(pkgName, installerPackageName);
12415            res.returnCode = PackageManager.INSTALL_SUCCEEDED;
12416            //to update install status
12417            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings");
12418            mSettings.writeLPr();
12419            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
12420        }
12421
12422        Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
12423    }
12424
12425    private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) {
12426        try {
12427            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage");
12428            installPackageLI(args, res);
12429        } finally {
12430            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
12431        }
12432    }
12433
12434    private void installPackageLI(InstallArgs args, PackageInstalledInfo res) {
12435        final int installFlags = args.installFlags;
12436        final String installerPackageName = args.installerPackageName;
12437        final String volumeUuid = args.volumeUuid;
12438        final File tmpPackageFile = new File(args.getCodePath());
12439        final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0);
12440        final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0)
12441                || (args.volumeUuid != null));
12442        final boolean quickInstall = ((installFlags & PackageManager.INSTALL_QUICK) != 0);
12443        boolean replace = false;
12444        int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE;
12445        if (args.move != null) {
12446            // moving a complete application; perfom an initial scan on the new install location
12447            scanFlags |= SCAN_INITIAL;
12448        }
12449        // Result object to be returned
12450        res.returnCode = PackageManager.INSTALL_SUCCEEDED;
12451
12452        if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile);
12453
12454        // Retrieve PackageSettings and parse package
12455        final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY
12456                | PackageParser.PARSE_ENFORCE_CODE
12457                | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0)
12458                | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0)
12459                | (quickInstall ? PackageParser.PARSE_SKIP_VERIFICATION : 0);
12460        PackageParser pp = new PackageParser();
12461        pp.setSeparateProcesses(mSeparateProcesses);
12462        pp.setDisplayMetrics(mMetrics);
12463
12464        Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage");
12465        final PackageParser.Package pkg;
12466        try {
12467            pkg = pp.parsePackage(tmpPackageFile, parseFlags);
12468        } catch (PackageParserException e) {
12469            res.setError("Failed parse during installPackageLI", e);
12470            return;
12471        } finally {
12472            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
12473        }
12474
12475        // Mark that we have an install time CPU ABI override.
12476        pkg.cpuAbiOverride = args.abiOverride;
12477
12478        String pkgName = res.name = pkg.packageName;
12479        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) {
12480            if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) {
12481                res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI");
12482                return;
12483            }
12484        }
12485
12486        Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates");
12487        try {
12488            pp.collectCertificates(pkg, parseFlags);
12489        } catch (PackageParserException e) {
12490            res.setError("Failed collect during installPackageLI", e);
12491            return;
12492        } finally {
12493            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
12494        }
12495
12496        /* If the installer passed in a manifest digest, compare it now. */
12497        if (args.manifestDigest != null) {
12498            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectManifestDigest");
12499            try {
12500                pp.collectManifestDigest(pkg);
12501            } catch (PackageParserException e) {
12502                res.setError("Failed collect during installPackageLI", e);
12503                return;
12504            } finally {
12505                Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
12506            }
12507
12508            if (DEBUG_INSTALL) {
12509                final String parsedManifest = pkg.manifestDigest == null ? "null"
12510                        : pkg.manifestDigest.toString();
12511                Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. "
12512                        + parsedManifest);
12513            }
12514
12515            if (!args.manifestDigest.equals(pkg.manifestDigest)) {
12516                res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed");
12517                return;
12518            }
12519        } else if (DEBUG_INSTALL) {
12520            final String parsedManifest = pkg.manifestDigest == null
12521                    ? "null" : pkg.manifestDigest.toString();
12522            Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest);
12523        }
12524
12525        // Get rid of all references to package scan path via parser.
12526        pp = null;
12527        String oldCodePath = null;
12528        boolean systemApp = false;
12529        synchronized (mPackages) {
12530            // Check if installing already existing package
12531            if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
12532                String oldName = mSettings.mRenamedPackages.get(pkgName);
12533                if (pkg.mOriginalPackages != null
12534                        && pkg.mOriginalPackages.contains(oldName)
12535                        && mPackages.containsKey(oldName)) {
12536                    // This package is derived from an original package,
12537                    // and this device has been updating from that original
12538                    // name.  We must continue using the original name, so
12539                    // rename the new package here.
12540                    pkg.setPackageName(oldName);
12541                    pkgName = pkg.packageName;
12542                    replace = true;
12543                    if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName="
12544                            + oldName + " pkgName=" + pkgName);
12545                } else if (mPackages.containsKey(pkgName)) {
12546                    // This package, under its official name, already exists
12547                    // on the device; we should replace it.
12548                    replace = true;
12549                    if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName);
12550                }
12551
12552                // Prevent apps opting out from runtime permissions
12553                if (replace) {
12554                    PackageParser.Package oldPackage = mPackages.get(pkgName);
12555                    final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion;
12556                    final int newTargetSdk = pkg.applicationInfo.targetSdkVersion;
12557                    if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1
12558                            && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) {
12559                        res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE,
12560                                "Package " + pkg.packageName + " new target SDK " + newTargetSdk
12561                                        + " doesn't support runtime permissions but the old"
12562                                        + " target SDK " + oldTargetSdk + " does.");
12563                        return;
12564                    }
12565                }
12566            }
12567
12568            PackageSetting ps = mSettings.mPackages.get(pkgName);
12569            if (ps != null) {
12570                if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps);
12571
12572                // Quick sanity check that we're signed correctly if updating;
12573                // we'll check this again later when scanning, but we want to
12574                // bail early here before tripping over redefined permissions.
12575                if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) {
12576                    if (!checkUpgradeKeySetLP(ps, pkg)) {
12577                        res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
12578                                + pkg.packageName + " upgrade keys do not match the "
12579                                + "previously installed version");
12580                        return;
12581                    }
12582                } else {
12583                    try {
12584                        verifySignaturesLP(ps, pkg);
12585                    } catch (PackageManagerException e) {
12586                        res.setError(e.error, e.getMessage());
12587                        return;
12588                    }
12589                }
12590
12591                oldCodePath = mSettings.mPackages.get(pkgName).codePathString;
12592                if (ps.pkg != null && ps.pkg.applicationInfo != null) {
12593                    systemApp = (ps.pkg.applicationInfo.flags &
12594                            ApplicationInfo.FLAG_SYSTEM) != 0;
12595                }
12596                res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
12597            }
12598
12599            // Check whether the newly-scanned package wants to define an already-defined perm
12600            int N = pkg.permissions.size();
12601            for (int i = N-1; i >= 0; i--) {
12602                PackageParser.Permission perm = pkg.permissions.get(i);
12603                BasePermission bp = mSettings.mPermissions.get(perm.info.name);
12604                if (bp != null) {
12605                    // If the defining package is signed with our cert, it's okay.  This
12606                    // also includes the "updating the same package" case, of course.
12607                    // "updating same package" could also involve key-rotation.
12608                    final boolean sigsOk;
12609                    if (bp.sourcePackage.equals(pkg.packageName)
12610                            && (bp.packageSetting instanceof PackageSetting)
12611                            && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting,
12612                                    scanFlags))) {
12613                        sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg);
12614                    } else {
12615                        sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures,
12616                                pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
12617                    }
12618                    if (!sigsOk) {
12619                        // If the owning package is the system itself, we log but allow
12620                        // install to proceed; we fail the install on all other permission
12621                        // redefinitions.
12622                        if (!bp.sourcePackage.equals("android")) {
12623                            res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package "
12624                                    + pkg.packageName + " attempting to redeclare permission "
12625                                    + perm.info.name + " already owned by " + bp.sourcePackage);
12626                            res.origPermission = perm.info.name;
12627                            res.origPackage = bp.sourcePackage;
12628                            return;
12629                        } else {
12630                            Slog.w(TAG, "Package " + pkg.packageName
12631                                    + " attempting to redeclare system permission "
12632                                    + perm.info.name + "; ignoring new declaration");
12633                            pkg.permissions.remove(i);
12634                        }
12635                    }
12636                }
12637            }
12638
12639        }
12640
12641        if (systemApp && onExternal) {
12642            // Disable updates to system apps on sdcard
12643            res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION,
12644                    "Cannot install updates to system apps on sdcard");
12645            return;
12646        }
12647
12648        if (args.move != null) {
12649            // We did an in-place move, so dex is ready to roll
12650            scanFlags |= SCAN_NO_DEX;
12651            scanFlags |= SCAN_MOVE;
12652
12653            synchronized (mPackages) {
12654                final PackageSetting ps = mSettings.mPackages.get(pkgName);
12655                if (ps == null) {
12656                    res.setError(INSTALL_FAILED_INTERNAL_ERROR,
12657                            "Missing settings for moved package " + pkgName);
12658                }
12659
12660                // We moved the entire application as-is, so bring over the
12661                // previously derived ABI information.
12662                pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString;
12663                pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString;
12664            }
12665
12666        } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) {
12667            // Enable SCAN_NO_DEX flag to skip dexopt at a later stage
12668            scanFlags |= SCAN_NO_DEX;
12669
12670            try {
12671                derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride,
12672                        true /* extract libs */);
12673            } catch (PackageManagerException pme) {
12674                Slog.e(TAG, "Error deriving application ABI", pme);
12675                res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI");
12676                return;
12677            }
12678
12679            // Run dexopt before old package gets removed, to minimize time when app is unavailable
12680            Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt");
12681
12682            int result = mPackageDexOptimizer
12683                    .performDexOpt(pkg, null /* instruction sets */, false /* forceDex */,
12684                            false /* defer */, false /* inclDependencies */,
12685                            true /*bootComplete*/, quickInstall /*useJit*/);
12686            Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER);
12687            if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
12688                res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath);
12689                return;
12690            }
12691        }
12692
12693        if (!args.doRename(res.returnCode, pkg, oldCodePath)) {
12694            res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename");
12695            return;
12696        }
12697
12698        startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg);
12699
12700        if (replace) {
12701            replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user,
12702                    installerPackageName, volumeUuid, res);
12703        } else {
12704            installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES,
12705                    args.user, installerPackageName, volumeUuid, res);
12706        }
12707        synchronized (mPackages) {
12708            final PackageSetting ps = mSettings.mPackages.get(pkgName);
12709            if (ps != null) {
12710                res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
12711            }
12712        }
12713    }
12714
12715    private void startIntentFilterVerifications(int userId, boolean replacing,
12716            PackageParser.Package pkg) {
12717        if (mIntentFilterVerifierComponent == null) {
12718            Slog.w(TAG, "No IntentFilter verification will not be done as "
12719                    + "there is no IntentFilterVerifier available!");
12720            return;
12721        }
12722
12723        final int verifierUid = getPackageUid(
12724                mIntentFilterVerifierComponent.getPackageName(),
12725                (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId);
12726
12727        mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS);
12728        final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS);
12729        msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid);
12730        mHandler.sendMessage(msg);
12731    }
12732
12733    private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing,
12734            PackageParser.Package pkg) {
12735        int size = pkg.activities.size();
12736        if (size == 0) {
12737            if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
12738                    "No activity, so no need to verify any IntentFilter!");
12739            return;
12740        }
12741
12742        final boolean hasDomainURLs = hasDomainURLs(pkg);
12743        if (!hasDomainURLs) {
12744            if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
12745                    "No domain URLs, so no need to verify any IntentFilter!");
12746            return;
12747        }
12748
12749        if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId
12750                + " if any IntentFilter from the " + size
12751                + " Activities needs verification ...");
12752
12753        int count = 0;
12754        final String packageName = pkg.packageName;
12755
12756        synchronized (mPackages) {
12757            // If this is a new install and we see that we've already run verification for this
12758            // package, we have nothing to do: it means the state was restored from backup.
12759            if (!replacing) {
12760                IntentFilterVerificationInfo ivi =
12761                        mSettings.getIntentFilterVerificationLPr(packageName);
12762                if (ivi != null) {
12763                    if (DEBUG_DOMAIN_VERIFICATION) {
12764                        Slog.i(TAG, "Package " + packageName+ " already verified: status="
12765                                + ivi.getStatusString());
12766                    }
12767                    return;
12768                }
12769            }
12770
12771            // If any filters need to be verified, then all need to be.
12772            boolean needToVerify = false;
12773            for (PackageParser.Activity a : pkg.activities) {
12774                for (ActivityIntentInfo filter : a.intents) {
12775                    if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) {
12776                        if (DEBUG_DOMAIN_VERIFICATION) {
12777                            Slog.d(TAG, "Intent filter needs verification, so processing all filters");
12778                        }
12779                        needToVerify = true;
12780                        break;
12781                    }
12782                }
12783            }
12784
12785            if (needToVerify) {
12786                final int verificationId = mIntentFilterVerificationToken++;
12787                for (PackageParser.Activity a : pkg.activities) {
12788                    for (ActivityIntentInfo filter : a.intents) {
12789                        if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) {
12790                            if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG,
12791                                    "Verification needed for IntentFilter:" + filter.toString());
12792                            mIntentFilterVerifier.addOneIntentFilterVerification(
12793                                    verifierUid, userId, verificationId, filter, packageName);
12794                            count++;
12795                        }
12796                    }
12797                }
12798            }
12799        }
12800
12801        if (count > 0) {
12802            if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count
12803                    + " IntentFilter verification" + (count > 1 ? "s" : "")
12804                    +  " for userId:" + userId);
12805            mIntentFilterVerifier.startVerifications(userId);
12806        } else {
12807            if (DEBUG_DOMAIN_VERIFICATION) {
12808                Slog.d(TAG, "No filters or not all autoVerify for " + packageName);
12809            }
12810        }
12811    }
12812
12813    private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) {
12814        final ComponentName cn  = filter.activity.getComponentName();
12815        final String packageName = cn.getPackageName();
12816
12817        IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr(
12818                packageName);
12819        if (ivi == null) {
12820            return true;
12821        }
12822        int status = ivi.getStatus();
12823        switch (status) {
12824            case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED:
12825            case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK:
12826                return true;
12827
12828            default:
12829                // Nothing to do
12830                return false;
12831        }
12832    }
12833
12834    private static boolean isMultiArch(PackageSetting ps) {
12835        return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0;
12836    }
12837
12838    private static boolean isMultiArch(ApplicationInfo info) {
12839        return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0;
12840    }
12841
12842    private static boolean isExternal(PackageParser.Package pkg) {
12843        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
12844    }
12845
12846    private static boolean isExternal(PackageSetting ps) {
12847        return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
12848    }
12849
12850    private static boolean isExternal(ApplicationInfo info) {
12851        return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
12852    }
12853
12854    private static boolean isSystemApp(PackageParser.Package pkg) {
12855        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
12856    }
12857
12858    private static boolean isPrivilegedApp(PackageParser.Package pkg) {
12859        return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0;
12860    }
12861
12862    private static boolean hasDomainURLs(PackageParser.Package pkg) {
12863        return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0;
12864    }
12865
12866    private static boolean isSystemApp(PackageSetting ps) {
12867        return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0;
12868    }
12869
12870    private static boolean isUpdatedSystemApp(PackageSetting ps) {
12871        return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
12872    }
12873
12874    private int packageFlagsToInstallFlags(PackageSetting ps) {
12875        int installFlags = 0;
12876        if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) {
12877            // This existing package was an external ASEC install when we have
12878            // the external flag without a UUID
12879            installFlags |= PackageManager.INSTALL_EXTERNAL;
12880        }
12881        if (ps.isForwardLocked()) {
12882            installFlags |= PackageManager.INSTALL_FORWARD_LOCK;
12883        }
12884        return installFlags;
12885    }
12886
12887    private String getVolumeUuidForPackage(PackageParser.Package pkg) {
12888        if (isExternal(pkg)) {
12889            if (TextUtils.isEmpty(pkg.volumeUuid)) {
12890                return StorageManager.UUID_PRIMARY_PHYSICAL;
12891            } else {
12892                return pkg.volumeUuid;
12893            }
12894        } else {
12895            return StorageManager.UUID_PRIVATE_INTERNAL;
12896        }
12897    }
12898
12899    private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) {
12900        if (isExternal(pkg)) {
12901            if (TextUtils.isEmpty(pkg.volumeUuid)) {
12902                return mSettings.getExternalVersion();
12903            } else {
12904                return mSettings.findOrCreateVersion(pkg.volumeUuid);
12905            }
12906        } else {
12907            return mSettings.getInternalVersion();
12908        }
12909    }
12910
12911    private void deleteTempPackageFiles() {
12912        final FilenameFilter filter = new FilenameFilter() {
12913            public boolean accept(File dir, String name) {
12914                return name.startsWith("vmdl") && name.endsWith(".tmp");
12915            }
12916        };
12917        for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) {
12918            file.delete();
12919        }
12920    }
12921
12922    @Override
12923    public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId,
12924            int flags) {
12925        deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId,
12926                flags);
12927    }
12928
12929    @Override
12930    public void deletePackage(final String packageName,
12931            final IPackageDeleteObserver2 observer, final int userId, final int flags) {
12932        mContext.enforceCallingOrSelfPermission(
12933                android.Manifest.permission.DELETE_PACKAGES, null);
12934        Preconditions.checkNotNull(packageName);
12935        Preconditions.checkNotNull(observer);
12936        final int uid = Binder.getCallingUid();
12937        final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0;
12938        final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId };
12939        if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) {
12940            mContext.enforceCallingPermission(
12941                    android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
12942                    "deletePackage for user " + userId);
12943        }
12944
12945        if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) {
12946            try {
12947                observer.onPackageDeleted(packageName,
12948                        PackageManager.DELETE_FAILED_USER_RESTRICTED, null);
12949            } catch (RemoteException re) {
12950            }
12951            return;
12952        }
12953
12954        for (int currentUserId : users) {
12955            if (getBlockUninstallForUser(packageName, currentUserId)) {
12956                try {
12957                    observer.onPackageDeleted(packageName,
12958                            PackageManager.DELETE_FAILED_OWNER_BLOCKED, null);
12959                } catch (RemoteException re) {
12960                }
12961                return;
12962            }
12963        }
12964
12965        if (DEBUG_REMOVE) {
12966            Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId);
12967        }
12968        // Queue up an async operation since the package deletion may take a little while.
12969        mHandler.post(new Runnable() {
12970            public void run() {
12971                mHandler.removeCallbacks(this);
12972                final int returnCode = deletePackageX(packageName, userId, flags);
12973                try {
12974                    observer.onPackageDeleted(packageName, returnCode, null);
12975                } catch (RemoteException e) {
12976                    Log.i(TAG, "Observer no longer exists.");
12977                } //end catch
12978            } //end run
12979        });
12980    }
12981
12982    private boolean isPackageDeviceAdmin(String packageName, int userId) {
12983        IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface(
12984                ServiceManager.getService(Context.DEVICE_POLICY_SERVICE));
12985        try {
12986            if (dpm != null) {
12987                // Does the package contains the device owner?
12988                if (dpm.isDeviceOwnerPackage(packageName)) {
12989                    return true;
12990                }
12991                // Does it contain a device admin for any user?
12992                int[] users;
12993                if (userId == UserHandle.USER_ALL) {
12994                    users = sUserManager.getUserIds();
12995                } else {
12996                    users = new int[]{userId};
12997                }
12998                for (int i = 0; i < users.length; ++i) {
12999                    if (dpm.packageHasActiveAdmins(packageName, users[i])) {
13000                        return true;
13001                    }
13002                }
13003            }
13004        } catch (RemoteException e) {
13005        }
13006        return false;
13007    }
13008
13009    /**
13010     *  This method is an internal method that could be get invoked either
13011     *  to delete an installed package or to clean up a failed installation.
13012     *  After deleting an installed package, a broadcast is sent to notify any
13013     *  listeners that the package has been installed. For cleaning up a failed
13014     *  installation, the broadcast is not necessary since the package's
13015     *  installation wouldn't have sent the initial broadcast either
13016     *  The key steps in deleting a package are
13017     *  deleting the package information in internal structures like mPackages,
13018     *  deleting the packages base directories through installd
13019     *  updating mSettings to reflect current status
13020     *  persisting settings for later use
13021     *  sending a broadcast if necessary
13022     */
13023    private int deletePackageX(String packageName, int userId, int flags) {
13024        final PackageRemovedInfo info = new PackageRemovedInfo();
13025        final boolean res;
13026
13027        final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0
13028                ? UserHandle.ALL : new UserHandle(userId);
13029
13030        if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) {
13031            Slog.w(TAG, "Not removing package " + packageName + ": has active device admin");
13032            return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER;
13033        }
13034
13035        boolean removedForAllUsers = false;
13036        boolean systemUpdate = false;
13037
13038        // for the uninstall-updates case and restricted profiles, remember the per-
13039        // userhandle installed state
13040        int[] allUsers;
13041        boolean[] perUserInstalled;
13042        synchronized (mPackages) {
13043            PackageSetting ps = mSettings.mPackages.get(packageName);
13044            allUsers = sUserManager.getUserIds();
13045            perUserInstalled = new boolean[allUsers.length];
13046            for (int i = 0; i < allUsers.length; i++) {
13047                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
13048            }
13049        }
13050
13051        synchronized (mInstallLock) {
13052            if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId);
13053            res = deletePackageLI(packageName, removeForUser,
13054                    true, allUsers, perUserInstalled,
13055                    flags | REMOVE_CHATTY, info, true);
13056            systemUpdate = info.isRemovedPackageSystemUpdate;
13057            if (res && !systemUpdate && mPackages.get(packageName) == null) {
13058                removedForAllUsers = true;
13059            }
13060            if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate
13061                    + " removedForAllUsers=" + removedForAllUsers);
13062        }
13063
13064        if (res) {
13065            info.sendBroadcast(true, systemUpdate, removedForAllUsers);
13066
13067            // If the removed package was a system update, the old system package
13068            // was re-enabled; we need to broadcast this information
13069            if (systemUpdate) {
13070                Bundle extras = new Bundle(1);
13071                extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0
13072                        ? info.removedAppId : info.uid);
13073                extras.putBoolean(Intent.EXTRA_REPLACING, true);
13074
13075                sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName,
13076                        extras, null, null, null);
13077                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName,
13078                        extras, null, null, null);
13079                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null,
13080                        null, packageName, null, null);
13081            }
13082        }
13083        // Force a gc here.
13084        Runtime.getRuntime().gc();
13085        // Delete the resources here after sending the broadcast to let
13086        // other processes clean up before deleting resources.
13087        if (info.args != null) {
13088            synchronized (mInstallLock) {
13089                info.args.doPostDeleteLI(true);
13090            }
13091        }
13092
13093        return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR;
13094    }
13095
13096    class PackageRemovedInfo {
13097        String removedPackage;
13098        int uid = -1;
13099        int removedAppId = -1;
13100        int[] removedUsers = null;
13101        boolean isRemovedPackageSystemUpdate = false;
13102        // Clean up resources deleted packages.
13103        InstallArgs args = null;
13104
13105        void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) {
13106            Bundle extras = new Bundle(1);
13107            extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid);
13108            extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove);
13109            if (replacing) {
13110                extras.putBoolean(Intent.EXTRA_REPLACING, true);
13111            }
13112            extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers);
13113            if (removedPackage != null) {
13114                sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
13115                        extras, null, null, removedUsers);
13116                if (fullRemove && !replacing) {
13117                    sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage,
13118                            extras, null, null, removedUsers);
13119                }
13120            }
13121            if (removedAppId >= 0) {
13122                sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null,
13123                        removedUsers);
13124            }
13125        }
13126    }
13127
13128    /*
13129     * This method deletes the package from internal data structures. If the DONT_DELETE_DATA
13130     * flag is not set, the data directory is removed as well.
13131     * make sure this flag is set for partially installed apps. If not its meaningless to
13132     * delete a partially installed application.
13133     */
13134    private void removePackageDataLI(PackageSetting ps,
13135            int[] allUserHandles, boolean[] perUserInstalled,
13136            PackageRemovedInfo outInfo, int flags, boolean writeSettings) {
13137        String packageName = ps.name;
13138        if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps);
13139        removePackageLI(ps, (flags&REMOVE_CHATTY) != 0);
13140        // Retrieve object to delete permissions for shared user later on
13141        final PackageSetting deletedPs;
13142        // reader
13143        synchronized (mPackages) {
13144            deletedPs = mSettings.mPackages.get(packageName);
13145            if (outInfo != null) {
13146                outInfo.removedPackage = packageName;
13147                outInfo.removedUsers = deletedPs != null
13148                        ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true)
13149                        : null;
13150            }
13151        }
13152        if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
13153            removeDataDirsLI(ps.volumeUuid, packageName);
13154            schedulePackageCleaning(packageName, UserHandle.USER_ALL, true);
13155        }
13156        // writer
13157        synchronized (mPackages) {
13158            if (deletedPs != null) {
13159                if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
13160                    clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL);
13161                    clearDefaultBrowserIfNeeded(packageName);
13162                    if (outInfo != null) {
13163                        mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName);
13164                        outInfo.removedAppId = mSettings.removePackageLPw(packageName);
13165                    }
13166                    updatePermissionsLPw(deletedPs.name, null, 0);
13167                    if (deletedPs.sharedUser != null) {
13168                        // Remove permissions associated with package. Since runtime
13169                        // permissions are per user we have to kill the removed package
13170                        // or packages running under the shared user of the removed
13171                        // package if revoking the permissions requested only by the removed
13172                        // package is successful and this causes a change in gids.
13173                        for (int userId : UserManagerService.getInstance().getUserIds()) {
13174                            final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs,
13175                                    userId);
13176                            if (userIdToKill == UserHandle.USER_ALL
13177                                    || userIdToKill >= UserHandle.USER_SYSTEM) {
13178                                // If gids changed for this user, kill all affected packages.
13179                                mHandler.post(new Runnable() {
13180                                    @Override
13181                                    public void run() {
13182                                        // This has to happen with no lock held.
13183                                        killApplication(deletedPs.name, deletedPs.appId,
13184                                                KILL_APP_REASON_GIDS_CHANGED);
13185                                    }
13186                                });
13187                                break;
13188                            }
13189                        }
13190                    }
13191                    clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL);
13192                }
13193                // make sure to preserve per-user disabled state if this removal was just
13194                // a downgrade of a system app to the factory package
13195                if (allUserHandles != null && perUserInstalled != null) {
13196                    if (DEBUG_REMOVE) {
13197                        Slog.d(TAG, "Propagating install state across downgrade");
13198                    }
13199                    for (int i = 0; i < allUserHandles.length; i++) {
13200                        if (DEBUG_REMOVE) {
13201                            Slog.d(TAG, "    user " + allUserHandles[i]
13202                                    + " => " + perUserInstalled[i]);
13203                        }
13204                        ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
13205                    }
13206                }
13207            }
13208            // can downgrade to reader
13209            if (writeSettings) {
13210                // Save settings now
13211                mSettings.writeLPr();
13212            }
13213        }
13214        if (outInfo != null) {
13215            // A user ID was deleted here. Go through all users and remove it
13216            // from KeyStore.
13217            removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId);
13218        }
13219    }
13220
13221    static boolean locationIsPrivileged(File path) {
13222        try {
13223            final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app")
13224                    .getCanonicalPath();
13225            return path.getCanonicalPath().startsWith(privilegedAppDir);
13226        } catch (IOException e) {
13227            Slog.e(TAG, "Unable to access code path " + path);
13228        }
13229        return false;
13230    }
13231
13232    /*
13233     * Tries to delete system package.
13234     */
13235    private boolean deleteSystemPackageLI(PackageSetting newPs,
13236            int[] allUserHandles, boolean[] perUserInstalled,
13237            int flags, PackageRemovedInfo outInfo, boolean writeSettings) {
13238        final boolean applyUserRestrictions
13239                = (allUserHandles != null) && (perUserInstalled != null);
13240        PackageSetting disabledPs = null;
13241        // Confirm if the system package has been updated
13242        // An updated system app can be deleted. This will also have to restore
13243        // the system pkg from system partition
13244        // reader
13245        synchronized (mPackages) {
13246            disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name);
13247        }
13248        if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs
13249                + " disabledPs=" + disabledPs);
13250        if (disabledPs == null) {
13251            Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name);
13252            return false;
13253        } else if (DEBUG_REMOVE) {
13254            Slog.d(TAG, "Deleting system pkg from data partition");
13255        }
13256        if (DEBUG_REMOVE) {
13257            if (applyUserRestrictions) {
13258                Slog.d(TAG, "Remembering install states:");
13259                for (int i = 0; i < allUserHandles.length; i++) {
13260                    Slog.d(TAG, "   u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]);
13261                }
13262            }
13263        }
13264        // Delete the updated package
13265        outInfo.isRemovedPackageSystemUpdate = true;
13266        if (disabledPs.versionCode < newPs.versionCode) {
13267            // Delete data for downgrades
13268            flags &= ~PackageManager.DELETE_KEEP_DATA;
13269        } else {
13270            // Preserve data by setting flag
13271            flags |= PackageManager.DELETE_KEEP_DATA;
13272        }
13273        boolean ret = deleteInstalledPackageLI(newPs, true, flags,
13274                allUserHandles, perUserInstalled, outInfo, writeSettings);
13275        if (!ret) {
13276            return false;
13277        }
13278        // writer
13279        synchronized (mPackages) {
13280            // Reinstate the old system package
13281            mSettings.enableSystemPackageLPw(newPs.name);
13282            // Remove any native libraries from the upgraded package.
13283            NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString);
13284        }
13285        // Install the system package
13286        if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs);
13287        int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM;
13288        if (locationIsPrivileged(disabledPs.codePath)) {
13289            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
13290        }
13291
13292        final PackageParser.Package newPkg;
13293        try {
13294            newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null);
13295        } catch (PackageManagerException e) {
13296            Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage());
13297            return false;
13298        }
13299
13300        // writer
13301        synchronized (mPackages) {
13302            PackageSetting ps = mSettings.mPackages.get(newPkg.packageName);
13303
13304            // Propagate the permissions state as we do not want to drop on the floor
13305            // runtime permissions. The update permissions method below will take
13306            // care of removing obsolete permissions and grant install permissions.
13307            ps.getPermissionsState().copyFrom(newPs.getPermissionsState());
13308            updatePermissionsLPw(newPkg.packageName, newPkg,
13309                    UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG);
13310
13311            if (applyUserRestrictions) {
13312                if (DEBUG_REMOVE) {
13313                    Slog.d(TAG, "Propagating install state across reinstall");
13314                }
13315                for (int i = 0; i < allUserHandles.length; i++) {
13316                    if (DEBUG_REMOVE) {
13317                        Slog.d(TAG, "    user " + allUserHandles[i]
13318                                + " => " + perUserInstalled[i]);
13319                    }
13320                    ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
13321
13322                    mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false);
13323                }
13324                // Regardless of writeSettings we need to ensure that this restriction
13325                // state propagation is persisted
13326                mSettings.writeAllUsersPackageRestrictionsLPr();
13327            }
13328            // can downgrade to reader here
13329            if (writeSettings) {
13330                mSettings.writeLPr();
13331            }
13332        }
13333        return true;
13334    }
13335
13336    private boolean deleteInstalledPackageLI(PackageSetting ps,
13337            boolean deleteCodeAndResources, int flags,
13338            int[] allUserHandles, boolean[] perUserInstalled,
13339            PackageRemovedInfo outInfo, boolean writeSettings) {
13340        if (outInfo != null) {
13341            outInfo.uid = ps.appId;
13342        }
13343
13344        // Delete package data from internal structures and also remove data if flag is set
13345        removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings);
13346
13347        // Delete application code and resources
13348        if (deleteCodeAndResources && (outInfo != null)) {
13349            outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
13350                    ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps));
13351            if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args);
13352        }
13353        return true;
13354    }
13355
13356    @Override
13357    public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall,
13358            int userId) {
13359        mContext.enforceCallingOrSelfPermission(
13360                android.Manifest.permission.DELETE_PACKAGES, null);
13361        synchronized (mPackages) {
13362            PackageSetting ps = mSettings.mPackages.get(packageName);
13363            if (ps == null) {
13364                Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName);
13365                return false;
13366            }
13367            if (!ps.getInstalled(userId)) {
13368                // Can't block uninstall for an app that is not installed or enabled.
13369                Log.i(TAG, "Package not installed in set block uninstall " + packageName);
13370                return false;
13371            }
13372            ps.setBlockUninstall(blockUninstall, userId);
13373            mSettings.writePackageRestrictionsLPr(userId);
13374        }
13375        return true;
13376    }
13377
13378    @Override
13379    public boolean getBlockUninstallForUser(String packageName, int userId) {
13380        synchronized (mPackages) {
13381            PackageSetting ps = mSettings.mPackages.get(packageName);
13382            if (ps == null) {
13383                Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName);
13384                return false;
13385            }
13386            return ps.getBlockUninstall(userId);
13387        }
13388    }
13389
13390    /*
13391     * This method handles package deletion in general
13392     */
13393    private boolean deletePackageLI(String packageName, UserHandle user,
13394            boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled,
13395            int flags, PackageRemovedInfo outInfo,
13396            boolean writeSettings) {
13397        if (packageName == null) {
13398            Slog.w(TAG, "Attempt to delete null packageName.");
13399            return false;
13400        }
13401        if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user);
13402        PackageSetting ps;
13403        boolean dataOnly = false;
13404        int removeUser = -1;
13405        int appId = -1;
13406        synchronized (mPackages) {
13407            ps = mSettings.mPackages.get(packageName);
13408            if (ps == null) {
13409                Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
13410                return false;
13411            }
13412            if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null
13413                    && user.getIdentifier() != UserHandle.USER_ALL) {
13414                // The caller is asking that the package only be deleted for a single
13415                // user.  To do this, we just mark its uninstalled state and delete
13416                // its data.  If this is a system app, we only allow this to happen if
13417                // they have set the special DELETE_SYSTEM_APP which requests different
13418                // semantics than normal for uninstalling system apps.
13419                if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user");
13420                final int userId = user.getIdentifier();
13421                ps.setUserState(userId,
13422                        COMPONENT_ENABLED_STATE_DEFAULT,
13423                        false, //installed
13424                        true,  //stopped
13425                        true,  //notLaunched
13426                        false, //hidden
13427                        null, null, null,
13428                        false, // blockUninstall
13429                        ps.readUserState(userId).domainVerificationStatus, 0);
13430                if (!isSystemApp(ps)) {
13431                    if (ps.isAnyInstalled(sUserManager.getUserIds())) {
13432                        // Other user still have this package installed, so all
13433                        // we need to do is clear this user's data and save that
13434                        // it is uninstalled.
13435                        if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users");
13436                        removeUser = user.getIdentifier();
13437                        appId = ps.appId;
13438                        scheduleWritePackageRestrictionsLocked(removeUser);
13439                    } else {
13440                        // We need to set it back to 'installed' so the uninstall
13441                        // broadcasts will be sent correctly.
13442                        if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete");
13443                        ps.setInstalled(true, user.getIdentifier());
13444                    }
13445                } else {
13446                    // This is a system app, so we assume that the
13447                    // other users still have this package installed, so all
13448                    // we need to do is clear this user's data and save that
13449                    // it is uninstalled.
13450                    if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app");
13451                    removeUser = user.getIdentifier();
13452                    appId = ps.appId;
13453                    scheduleWritePackageRestrictionsLocked(removeUser);
13454                }
13455            }
13456        }
13457
13458        if (removeUser >= 0) {
13459            // From above, we determined that we are deleting this only
13460            // for a single user.  Continue the work here.
13461            if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser);
13462            if (outInfo != null) {
13463                outInfo.removedPackage = packageName;
13464                outInfo.removedAppId = appId;
13465                outInfo.removedUsers = new int[] {removeUser};
13466            }
13467            mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser);
13468            removeKeystoreDataIfNeeded(removeUser, appId);
13469            schedulePackageCleaning(packageName, removeUser, false);
13470            synchronized (mPackages) {
13471                if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) {
13472                    scheduleWritePackageRestrictionsLocked(removeUser);
13473                }
13474                resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser);
13475            }
13476            return true;
13477        }
13478
13479        if (dataOnly) {
13480            // Delete application data first
13481            if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only");
13482            removePackageDataLI(ps, null, null, outInfo, flags, writeSettings);
13483            return true;
13484        }
13485
13486        boolean ret = false;
13487        if (isSystemApp(ps)) {
13488            if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name);
13489            // When an updated system application is deleted we delete the existing resources as well and
13490            // fall back to existing code in system partition
13491            ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled,
13492                    flags, outInfo, writeSettings);
13493        } else {
13494            if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name);
13495            // Kill application pre-emptively especially for apps on sd.
13496            killApplication(packageName, ps.appId, "uninstall pkg");
13497            ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags,
13498                    allUserHandles, perUserInstalled,
13499                    outInfo, writeSettings);
13500        }
13501
13502        return ret;
13503    }
13504
13505    private final class ClearStorageConnection implements ServiceConnection {
13506        IMediaContainerService mContainerService;
13507
13508        @Override
13509        public void onServiceConnected(ComponentName name, IBinder service) {
13510            synchronized (this) {
13511                mContainerService = IMediaContainerService.Stub.asInterface(service);
13512                notifyAll();
13513            }
13514        }
13515
13516        @Override
13517        public void onServiceDisconnected(ComponentName name) {
13518        }
13519    }
13520
13521    private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) {
13522        final boolean mounted;
13523        if (Environment.isExternalStorageEmulated()) {
13524            mounted = true;
13525        } else {
13526            final String status = Environment.getExternalStorageState();
13527
13528            mounted = status.equals(Environment.MEDIA_MOUNTED)
13529                    || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY);
13530        }
13531
13532        if (!mounted) {
13533            return;
13534        }
13535
13536        final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
13537        int[] users;
13538        if (userId == UserHandle.USER_ALL) {
13539            users = sUserManager.getUserIds();
13540        } else {
13541            users = new int[] { userId };
13542        }
13543        final ClearStorageConnection conn = new ClearStorageConnection();
13544        if (mContext.bindServiceAsUser(
13545                containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) {
13546            try {
13547                for (int curUser : users) {
13548                    long timeout = SystemClock.uptimeMillis() + 5000;
13549                    synchronized (conn) {
13550                        long now = SystemClock.uptimeMillis();
13551                        while (conn.mContainerService == null && now < timeout) {
13552                            try {
13553                                conn.wait(timeout - now);
13554                            } catch (InterruptedException e) {
13555                            }
13556                        }
13557                    }
13558                    if (conn.mContainerService == null) {
13559                        return;
13560                    }
13561
13562                    final UserEnvironment userEnv = new UserEnvironment(curUser);
13563                    clearDirectory(conn.mContainerService,
13564                            userEnv.buildExternalStorageAppCacheDirs(packageName));
13565                    if (allData) {
13566                        clearDirectory(conn.mContainerService,
13567                                userEnv.buildExternalStorageAppDataDirs(packageName));
13568                        clearDirectory(conn.mContainerService,
13569                                userEnv.buildExternalStorageAppMediaDirs(packageName));
13570                    }
13571                }
13572            } finally {
13573                mContext.unbindService(conn);
13574            }
13575        }
13576    }
13577
13578    @Override
13579    public void clearApplicationUserData(final String packageName,
13580            final IPackageDataObserver observer, final int userId) {
13581        mContext.enforceCallingOrSelfPermission(
13582                android.Manifest.permission.CLEAR_APP_USER_DATA, null);
13583        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data");
13584        // Queue up an async operation since the package deletion may take a little while.
13585        mHandler.post(new Runnable() {
13586            public void run() {
13587                mHandler.removeCallbacks(this);
13588                final boolean succeeded;
13589                synchronized (mInstallLock) {
13590                    succeeded = clearApplicationUserDataLI(packageName, userId);
13591                }
13592                clearExternalStorageDataSync(packageName, userId, true);
13593                if (succeeded) {
13594                    // invoke DeviceStorageMonitor's update method to clear any notifications
13595                    DeviceStorageMonitorInternal
13596                            dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
13597                    if (dsm != null) {
13598                        dsm.checkMemory();
13599                    }
13600                }
13601                if(observer != null) {
13602                    try {
13603                        observer.onRemoveCompleted(packageName, succeeded);
13604                    } catch (RemoteException e) {
13605                        Log.i(TAG, "Observer no longer exists.");
13606                    }
13607                } //end if observer
13608            } //end run
13609        });
13610    }
13611
13612    private boolean clearApplicationUserDataLI(String packageName, int userId) {
13613        if (packageName == null) {
13614            Slog.w(TAG, "Attempt to delete null packageName.");
13615            return false;
13616        }
13617
13618        // Try finding details about the requested package
13619        PackageParser.Package pkg;
13620        synchronized (mPackages) {
13621            pkg = mPackages.get(packageName);
13622            if (pkg == null) {
13623                final PackageSetting ps = mSettings.mPackages.get(packageName);
13624                if (ps != null) {
13625                    pkg = ps.pkg;
13626                }
13627            }
13628
13629            if (pkg == null) {
13630                Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
13631                return false;
13632            }
13633
13634            PackageSetting ps = (PackageSetting) pkg.mExtras;
13635            resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId);
13636        }
13637
13638        // Always delete data directories for package, even if we found no other
13639        // record of app. This helps users recover from UID mismatches without
13640        // resorting to a full data wipe.
13641        int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId);
13642        if (retCode < 0) {
13643            Slog.w(TAG, "Couldn't remove cache files for package: " + packageName);
13644            return false;
13645        }
13646
13647        final int appId = pkg.applicationInfo.uid;
13648        removeKeystoreDataIfNeeded(userId, appId);
13649
13650        // Create a native library symlink only if we have native libraries
13651        // and if the native libraries are 32 bit libraries. We do not provide
13652        // this symlink for 64 bit libraries.
13653        if (pkg.applicationInfo.primaryCpuAbi != null &&
13654                !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
13655            final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
13656            if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName,
13657                    nativeLibPath, userId) < 0) {
13658                Slog.w(TAG, "Failed linking native library dir");
13659                return false;
13660            }
13661        }
13662
13663        return true;
13664    }
13665
13666    /**
13667     * Reverts user permission state changes (permissions and flags) in
13668     * all packages for a given user.
13669     *
13670     * @param userId The device user for which to do a reset.
13671     */
13672    private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) {
13673        final int packageCount = mPackages.size();
13674        for (int i = 0; i < packageCount; i++) {
13675            PackageParser.Package pkg = mPackages.valueAt(i);
13676            PackageSetting ps = (PackageSetting) pkg.mExtras;
13677            resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId);
13678        }
13679    }
13680
13681    /**
13682     * Reverts user permission state changes (permissions and flags).
13683     *
13684     * @param ps The package for which to reset.
13685     * @param userId The device user for which to do a reset.
13686     */
13687    private void resetUserChangesToRuntimePermissionsAndFlagsLPw(
13688            final PackageSetting ps, final int userId) {
13689        if (ps.pkg == null) {
13690            return;
13691        }
13692
13693        final int userSettableFlags = FLAG_PERMISSION_USER_SET
13694                | FLAG_PERMISSION_USER_FIXED
13695                | FLAG_PERMISSION_REVOKE_ON_UPGRADE;
13696
13697        final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED
13698                | FLAG_PERMISSION_POLICY_FIXED;
13699
13700        boolean writeInstallPermissions = false;
13701        boolean writeRuntimePermissions = false;
13702
13703        final int permissionCount = ps.pkg.requestedPermissions.size();
13704        for (int i = 0; i < permissionCount; i++) {
13705            String permission = ps.pkg.requestedPermissions.get(i);
13706
13707            BasePermission bp = mSettings.mPermissions.get(permission);
13708            if (bp == null) {
13709                continue;
13710            }
13711
13712            // If shared user we just reset the state to which only this app contributed.
13713            if (ps.sharedUser != null) {
13714                boolean used = false;
13715                final int packageCount = ps.sharedUser.packages.size();
13716                for (int j = 0; j < packageCount; j++) {
13717                    PackageSetting pkg = ps.sharedUser.packages.valueAt(j);
13718                    if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName)
13719                            && pkg.pkg.requestedPermissions.contains(permission)) {
13720                        used = true;
13721                        break;
13722                    }
13723                }
13724                if (used) {
13725                    continue;
13726                }
13727            }
13728
13729            PermissionsState permissionsState = ps.getPermissionsState();
13730
13731            final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId);
13732
13733            // Always clear the user settable flags.
13734            final boolean hasInstallState = permissionsState.getInstallPermissionState(
13735                    bp.name) != null;
13736            if (permissionsState.updatePermissionFlags(bp, userId, userSettableFlags, 0)) {
13737                if (hasInstallState) {
13738                    writeInstallPermissions = true;
13739                } else {
13740                    writeRuntimePermissions = true;
13741                }
13742            }
13743
13744            // Below is only runtime permission handling.
13745            if (!bp.isRuntime()) {
13746                continue;
13747            }
13748
13749            // Never clobber system or policy.
13750            if ((oldFlags & policyOrSystemFlags) != 0) {
13751                continue;
13752            }
13753
13754            // If this permission was granted by default, make sure it is.
13755            if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) {
13756                if (permissionsState.grantRuntimePermission(bp, userId)
13757                        != PERMISSION_OPERATION_FAILURE) {
13758                    writeRuntimePermissions = true;
13759                }
13760            } else {
13761                // Otherwise, reset the permission.
13762                final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId);
13763                switch (revokeResult) {
13764                    case PERMISSION_OPERATION_SUCCESS: {
13765                        writeRuntimePermissions = true;
13766                    } break;
13767
13768                    case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: {
13769                        writeRuntimePermissions = true;
13770                        final int appId = ps.appId;
13771                        mHandler.post(new Runnable() {
13772                            @Override
13773                            public void run() {
13774                                killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED);
13775                            }
13776                        });
13777                    } break;
13778                }
13779            }
13780        }
13781
13782        // Synchronously write as we are taking permissions away.
13783        if (writeRuntimePermissions) {
13784            mSettings.writeRuntimePermissionsForUserLPr(userId, true);
13785        }
13786
13787        // Synchronously write as we are taking permissions away.
13788        if (writeInstallPermissions) {
13789            mSettings.writeLPr();
13790        }
13791    }
13792
13793    /**
13794     * Remove entries from the keystore daemon. Will only remove it if the
13795     * {@code appId} is valid.
13796     */
13797    private static void removeKeystoreDataIfNeeded(int userId, int appId) {
13798        if (appId < 0) {
13799            return;
13800        }
13801
13802        final KeyStore keyStore = KeyStore.getInstance();
13803        if (keyStore != null) {
13804            if (userId == UserHandle.USER_ALL) {
13805                for (final int individual : sUserManager.getUserIds()) {
13806                    keyStore.clearUid(UserHandle.getUid(individual, appId));
13807                }
13808            } else {
13809                keyStore.clearUid(UserHandle.getUid(userId, appId));
13810            }
13811        } else {
13812            Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId);
13813        }
13814    }
13815
13816    @Override
13817    public void deleteApplicationCacheFiles(final String packageName,
13818            final IPackageDataObserver observer) {
13819        mContext.enforceCallingOrSelfPermission(
13820                android.Manifest.permission.DELETE_CACHE_FILES, null);
13821        // Queue up an async operation since the package deletion may take a little while.
13822        final int userId = UserHandle.getCallingUserId();
13823        mHandler.post(new Runnable() {
13824            public void run() {
13825                mHandler.removeCallbacks(this);
13826                final boolean succeded;
13827                synchronized (mInstallLock) {
13828                    succeded = deleteApplicationCacheFilesLI(packageName, userId);
13829                }
13830                clearExternalStorageDataSync(packageName, userId, false);
13831                if (observer != null) {
13832                    try {
13833                        observer.onRemoveCompleted(packageName, succeded);
13834                    } catch (RemoteException e) {
13835                        Log.i(TAG, "Observer no longer exists.");
13836                    }
13837                } //end if observer
13838            } //end run
13839        });
13840    }
13841
13842    private boolean deleteApplicationCacheFilesLI(String packageName, int userId) {
13843        if (packageName == null) {
13844            Slog.w(TAG, "Attempt to delete null packageName.");
13845            return false;
13846        }
13847        PackageParser.Package p;
13848        synchronized (mPackages) {
13849            p = mPackages.get(packageName);
13850        }
13851        if (p == null) {
13852            Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
13853            return false;
13854        }
13855        final ApplicationInfo applicationInfo = p.applicationInfo;
13856        if (applicationInfo == null) {
13857            Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
13858            return false;
13859        }
13860        int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId);
13861        if (retCode < 0) {
13862            Slog.w(TAG, "Couldn't remove cache files for package: "
13863                       + packageName + " u" + userId);
13864            return false;
13865        }
13866        return true;
13867    }
13868
13869    @Override
13870    public void getPackageSizeInfo(final String packageName, int userHandle,
13871            final IPackageStatsObserver observer) {
13872        mContext.enforceCallingOrSelfPermission(
13873                android.Manifest.permission.GET_PACKAGE_SIZE, null);
13874        if (packageName == null) {
13875            throw new IllegalArgumentException("Attempt to get size of null packageName");
13876        }
13877
13878        PackageStats stats = new PackageStats(packageName, userHandle);
13879
13880        /*
13881         * Queue up an async operation since the package measurement may take a
13882         * little while.
13883         */
13884        Message msg = mHandler.obtainMessage(INIT_COPY);
13885        msg.obj = new MeasureParams(stats, observer);
13886        mHandler.sendMessage(msg);
13887    }
13888
13889    private boolean getPackageSizeInfoLI(String packageName, int userHandle,
13890            PackageStats pStats) {
13891        if (packageName == null) {
13892            Slog.w(TAG, "Attempt to get size of null packageName.");
13893            return false;
13894        }
13895        PackageParser.Package p;
13896        boolean dataOnly = false;
13897        String libDirRoot = null;
13898        String asecPath = null;
13899        PackageSetting ps = null;
13900        synchronized (mPackages) {
13901            p = mPackages.get(packageName);
13902            ps = mSettings.mPackages.get(packageName);
13903            if(p == null) {
13904                dataOnly = true;
13905                if((ps == null) || (ps.pkg == null)) {
13906                    Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
13907                    return false;
13908                }
13909                p = ps.pkg;
13910            }
13911            if (ps != null) {
13912                libDirRoot = ps.legacyNativeLibraryPathString;
13913            }
13914            if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) {
13915                final long token = Binder.clearCallingIdentity();
13916                try {
13917                    String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath());
13918                    if (secureContainerId != null) {
13919                        asecPath = PackageHelper.getSdFilesystem(secureContainerId);
13920                    }
13921                } finally {
13922                    Binder.restoreCallingIdentity(token);
13923                }
13924            }
13925        }
13926        String publicSrcDir = null;
13927        if(!dataOnly) {
13928            final ApplicationInfo applicationInfo = p.applicationInfo;
13929            if (applicationInfo == null) {
13930                Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
13931                return false;
13932            }
13933            if (p.isForwardLocked()) {
13934                publicSrcDir = applicationInfo.getBaseResourcePath();
13935            }
13936        }
13937        // TODO: extend to measure size of split APKs
13938        // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree,
13939        // not just the first level.
13940        // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not
13941        // just the primary.
13942        String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps));
13943
13944        String apkPath;
13945        File packageDir = new File(p.codePath);
13946
13947        if (packageDir.isDirectory() && p.canHaveOatDir()) {
13948            apkPath = packageDir.getAbsolutePath();
13949            // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice
13950            if (libDirRoot != null && libDirRoot.startsWith(apkPath)) {
13951                libDirRoot = null;
13952            }
13953        } else {
13954            apkPath = p.baseCodePath;
13955        }
13956
13957        int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, apkPath,
13958                libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats);
13959        if (res < 0) {
13960            return false;
13961        }
13962
13963        // Fix-up for forward-locked applications in ASEC containers.
13964        if (!isExternal(p)) {
13965            pStats.codeSize += pStats.externalCodeSize;
13966            pStats.externalCodeSize = 0L;
13967        }
13968
13969        return true;
13970    }
13971
13972
13973    @Override
13974    public void addPackageToPreferred(String packageName) {
13975        Slog.w(TAG, "addPackageToPreferred: this is now a no-op");
13976    }
13977
13978    @Override
13979    public void removePackageFromPreferred(String packageName) {
13980        Slog.w(TAG, "removePackageFromPreferred: this is now a no-op");
13981    }
13982
13983    @Override
13984    public List<PackageInfo> getPreferredPackages(int flags) {
13985        return new ArrayList<PackageInfo>();
13986    }
13987
13988    private int getUidTargetSdkVersionLockedLPr(int uid) {
13989        Object obj = mSettings.getUserIdLPr(uid);
13990        if (obj instanceof SharedUserSetting) {
13991            final SharedUserSetting sus = (SharedUserSetting) obj;
13992            int vers = Build.VERSION_CODES.CUR_DEVELOPMENT;
13993            final Iterator<PackageSetting> it = sus.packages.iterator();
13994            while (it.hasNext()) {
13995                final PackageSetting ps = it.next();
13996                if (ps.pkg != null) {
13997                    int v = ps.pkg.applicationInfo.targetSdkVersion;
13998                    if (v < vers) vers = v;
13999                }
14000            }
14001            return vers;
14002        } else if (obj instanceof PackageSetting) {
14003            final PackageSetting ps = (PackageSetting) obj;
14004            if (ps.pkg != null) {
14005                return ps.pkg.applicationInfo.targetSdkVersion;
14006            }
14007        }
14008        return Build.VERSION_CODES.CUR_DEVELOPMENT;
14009    }
14010
14011    @Override
14012    public void addPreferredActivity(IntentFilter filter, int match,
14013            ComponentName[] set, ComponentName activity, int userId) {
14014        addPreferredActivityInternal(filter, match, set, activity, true, userId,
14015                "Adding preferred");
14016    }
14017
14018    private void addPreferredActivityInternal(IntentFilter filter, int match,
14019            ComponentName[] set, ComponentName activity, boolean always, int userId,
14020            String opname) {
14021        // writer
14022        int callingUid = Binder.getCallingUid();
14023        enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity");
14024        if (filter.countActions() == 0) {
14025            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
14026            return;
14027        }
14028        synchronized (mPackages) {
14029            if (mContext.checkCallingOrSelfPermission(
14030                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
14031                    != PackageManager.PERMISSION_GRANTED) {
14032                if (getUidTargetSdkVersionLockedLPr(callingUid)
14033                        < Build.VERSION_CODES.FROYO) {
14034                    Slog.w(TAG, "Ignoring addPreferredActivity() from uid "
14035                            + callingUid);
14036                    return;
14037                }
14038                mContext.enforceCallingOrSelfPermission(
14039                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
14040            }
14041
14042            PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId);
14043            Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user "
14044                    + userId + ":");
14045            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
14046            pir.addFilter(new PreferredActivity(filter, match, set, activity, always));
14047            scheduleWritePackageRestrictionsLocked(userId);
14048        }
14049    }
14050
14051    @Override
14052    public void replacePreferredActivity(IntentFilter filter, int match,
14053            ComponentName[] set, ComponentName activity, int userId) {
14054        if (filter.countActions() != 1) {
14055            throw new IllegalArgumentException(
14056                    "replacePreferredActivity expects filter to have only 1 action.");
14057        }
14058        if (filter.countDataAuthorities() != 0
14059                || filter.countDataPaths() != 0
14060                || filter.countDataSchemes() > 1
14061                || filter.countDataTypes() != 0) {
14062            throw new IllegalArgumentException(
14063                    "replacePreferredActivity expects filter to have no data authorities, " +
14064                    "paths, or types; and at most one scheme.");
14065        }
14066
14067        final int callingUid = Binder.getCallingUid();
14068        enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity");
14069        synchronized (mPackages) {
14070            if (mContext.checkCallingOrSelfPermission(
14071                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
14072                    != PackageManager.PERMISSION_GRANTED) {
14073                if (getUidTargetSdkVersionLockedLPr(callingUid)
14074                        < Build.VERSION_CODES.FROYO) {
14075                    Slog.w(TAG, "Ignoring replacePreferredActivity() from uid "
14076                            + Binder.getCallingUid());
14077                    return;
14078                }
14079                mContext.enforceCallingOrSelfPermission(
14080                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
14081            }
14082
14083            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
14084            if (pir != null) {
14085                // Get all of the existing entries that exactly match this filter.
14086                ArrayList<PreferredActivity> existing = pir.findFilters(filter);
14087                if (existing != null && existing.size() == 1) {
14088                    PreferredActivity cur = existing.get(0);
14089                    if (DEBUG_PREFERRED) {
14090                        Slog.i(TAG, "Checking replace of preferred:");
14091                        filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
14092                        if (!cur.mPref.mAlways) {
14093                            Slog.i(TAG, "  -- CUR; not mAlways!");
14094                        } else {
14095                            Slog.i(TAG, "  -- CUR: mMatch=" + cur.mPref.mMatch);
14096                            Slog.i(TAG, "  -- CUR: mSet="
14097                                    + Arrays.toString(cur.mPref.mSetComponents));
14098                            Slog.i(TAG, "  -- CUR: mComponent=" + cur.mPref.mShortComponent);
14099                            Slog.i(TAG, "  -- NEW: mMatch="
14100                                    + (match&IntentFilter.MATCH_CATEGORY_MASK));
14101                            Slog.i(TAG, "  -- CUR: mSet=" + Arrays.toString(set));
14102                            Slog.i(TAG, "  -- CUR: mComponent=" + activity.flattenToShortString());
14103                        }
14104                    }
14105                    if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity)
14106                            && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK)
14107                            && cur.mPref.sameSet(set)) {
14108                        // Setting the preferred activity to what it happens to be already
14109                        if (DEBUG_PREFERRED) {
14110                            Slog.i(TAG, "Replacing with same preferred activity "
14111                                    + cur.mPref.mShortComponent + " for user "
14112                                    + userId + ":");
14113                            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
14114                        }
14115                        return;
14116                    }
14117                }
14118
14119                if (existing != null) {
14120                    if (DEBUG_PREFERRED) {
14121                        Slog.i(TAG, existing.size() + " existing preferred matches for:");
14122                        filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
14123                    }
14124                    for (int i = 0; i < existing.size(); i++) {
14125                        PreferredActivity pa = existing.get(i);
14126                        if (DEBUG_PREFERRED) {
14127                            Slog.i(TAG, "Removing existing preferred activity "
14128                                    + pa.mPref.mComponent + ":");
14129                            pa.dump(new LogPrinter(Log.INFO, TAG), "  ");
14130                        }
14131                        pir.removeFilter(pa);
14132                    }
14133                }
14134            }
14135            addPreferredActivityInternal(filter, match, set, activity, true, userId,
14136                    "Replacing preferred");
14137        }
14138    }
14139
14140    @Override
14141    public void clearPackagePreferredActivities(String packageName) {
14142        final int uid = Binder.getCallingUid();
14143        // writer
14144        synchronized (mPackages) {
14145            PackageParser.Package pkg = mPackages.get(packageName);
14146            if (pkg == null || pkg.applicationInfo.uid != uid) {
14147                if (mContext.checkCallingOrSelfPermission(
14148                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
14149                        != PackageManager.PERMISSION_GRANTED) {
14150                    if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid())
14151                            < Build.VERSION_CODES.FROYO) {
14152                        Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid "
14153                                + Binder.getCallingUid());
14154                        return;
14155                    }
14156                    mContext.enforceCallingOrSelfPermission(
14157                            android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
14158                }
14159            }
14160
14161            int user = UserHandle.getCallingUserId();
14162            if (clearPackagePreferredActivitiesLPw(packageName, user)) {
14163                scheduleWritePackageRestrictionsLocked(user);
14164            }
14165        }
14166    }
14167
14168    /** This method takes a specific user id as well as UserHandle.USER_ALL. */
14169    boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) {
14170        ArrayList<PreferredActivity> removed = null;
14171        boolean changed = false;
14172        for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
14173            final int thisUserId = mSettings.mPreferredActivities.keyAt(i);
14174            PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
14175            if (userId != UserHandle.USER_ALL && userId != thisUserId) {
14176                continue;
14177            }
14178            Iterator<PreferredActivity> it = pir.filterIterator();
14179            while (it.hasNext()) {
14180                PreferredActivity pa = it.next();
14181                // Mark entry for removal only if it matches the package name
14182                // and the entry is of type "always".
14183                if (packageName == null ||
14184                        (pa.mPref.mComponent.getPackageName().equals(packageName)
14185                                && pa.mPref.mAlways)) {
14186                    if (removed == null) {
14187                        removed = new ArrayList<PreferredActivity>();
14188                    }
14189                    removed.add(pa);
14190                }
14191            }
14192            if (removed != null) {
14193                for (int j=0; j<removed.size(); j++) {
14194                    PreferredActivity pa = removed.get(j);
14195                    pir.removeFilter(pa);
14196                }
14197                changed = true;
14198            }
14199        }
14200        return changed;
14201    }
14202
14203    /** This method takes a specific user id as well as UserHandle.USER_ALL. */
14204    private void clearIntentFilterVerificationsLPw(int userId) {
14205        final int packageCount = mPackages.size();
14206        for (int i = 0; i < packageCount; i++) {
14207            PackageParser.Package pkg = mPackages.valueAt(i);
14208            clearIntentFilterVerificationsLPw(pkg.packageName, userId);
14209        }
14210    }
14211
14212    /** This method takes a specific user id as well as UserHandle.USER_ALL. */
14213    void clearIntentFilterVerificationsLPw(String packageName, int userId) {
14214        if (userId == UserHandle.USER_ALL) {
14215            if (mSettings.removeIntentFilterVerificationLPw(packageName,
14216                    sUserManager.getUserIds())) {
14217                for (int oneUserId : sUserManager.getUserIds()) {
14218                    scheduleWritePackageRestrictionsLocked(oneUserId);
14219                }
14220            }
14221        } else {
14222            if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) {
14223                scheduleWritePackageRestrictionsLocked(userId);
14224            }
14225        }
14226    }
14227
14228    void clearDefaultBrowserIfNeeded(String packageName) {
14229        for (int oneUserId : sUserManager.getUserIds()) {
14230            String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId);
14231            if (TextUtils.isEmpty(defaultBrowserPackageName)) continue;
14232            if (packageName.equals(defaultBrowserPackageName)) {
14233                setDefaultBrowserPackageName(null, oneUserId);
14234            }
14235        }
14236    }
14237
14238    @Override
14239    public void resetApplicationPreferences(int userId) {
14240        mContext.enforceCallingOrSelfPermission(
14241                android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
14242        // writer
14243        synchronized (mPackages) {
14244            final long identity = Binder.clearCallingIdentity();
14245            try {
14246                clearPackagePreferredActivitiesLPw(null, userId);
14247                mSettings.applyDefaultPreferredAppsLPw(this, userId);
14248                // TODO: We have to reset the default SMS and Phone. This requires
14249                // significant refactoring to keep all default apps in the package
14250                // manager (cleaner but more work) or have the services provide
14251                // callbacks to the package manager to request a default app reset.
14252                applyFactoryDefaultBrowserLPw(userId);
14253                clearIntentFilterVerificationsLPw(userId);
14254                primeDomainVerificationsLPw(userId);
14255                resetUserChangesToRuntimePermissionsAndFlagsLPw(userId);
14256                scheduleWritePackageRestrictionsLocked(userId);
14257            } finally {
14258                Binder.restoreCallingIdentity(identity);
14259            }
14260        }
14261    }
14262
14263    @Override
14264    public int getPreferredActivities(List<IntentFilter> outFilters,
14265            List<ComponentName> outActivities, String packageName) {
14266
14267        int num = 0;
14268        final int userId = UserHandle.getCallingUserId();
14269        // reader
14270        synchronized (mPackages) {
14271            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
14272            if (pir != null) {
14273                final Iterator<PreferredActivity> it = pir.filterIterator();
14274                while (it.hasNext()) {
14275                    final PreferredActivity pa = it.next();
14276                    if (packageName == null
14277                            || (pa.mPref.mComponent.getPackageName().equals(packageName)
14278                                    && pa.mPref.mAlways)) {
14279                        if (outFilters != null) {
14280                            outFilters.add(new IntentFilter(pa));
14281                        }
14282                        if (outActivities != null) {
14283                            outActivities.add(pa.mPref.mComponent);
14284                        }
14285                    }
14286                }
14287            }
14288        }
14289
14290        return num;
14291    }
14292
14293    @Override
14294    public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity,
14295            int userId) {
14296        int callingUid = Binder.getCallingUid();
14297        if (callingUid != Process.SYSTEM_UID) {
14298            throw new SecurityException(
14299                    "addPersistentPreferredActivity can only be run by the system");
14300        }
14301        if (filter.countActions() == 0) {
14302            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
14303            return;
14304        }
14305        synchronized (mPackages) {
14306            Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId +
14307                    " :");
14308            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
14309            mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter(
14310                    new PersistentPreferredActivity(filter, activity));
14311            scheduleWritePackageRestrictionsLocked(userId);
14312        }
14313    }
14314
14315    @Override
14316    public void clearPackagePersistentPreferredActivities(String packageName, int userId) {
14317        int callingUid = Binder.getCallingUid();
14318        if (callingUid != Process.SYSTEM_UID) {
14319            throw new SecurityException(
14320                    "clearPackagePersistentPreferredActivities can only be run by the system");
14321        }
14322        ArrayList<PersistentPreferredActivity> removed = null;
14323        boolean changed = false;
14324        synchronized (mPackages) {
14325            for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) {
14326                final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i);
14327                PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
14328                        .valueAt(i);
14329                if (userId != thisUserId) {
14330                    continue;
14331                }
14332                Iterator<PersistentPreferredActivity> it = ppir.filterIterator();
14333                while (it.hasNext()) {
14334                    PersistentPreferredActivity ppa = it.next();
14335                    // Mark entry for removal only if it matches the package name.
14336                    if (ppa.mComponent.getPackageName().equals(packageName)) {
14337                        if (removed == null) {
14338                            removed = new ArrayList<PersistentPreferredActivity>();
14339                        }
14340                        removed.add(ppa);
14341                    }
14342                }
14343                if (removed != null) {
14344                    for (int j=0; j<removed.size(); j++) {
14345                        PersistentPreferredActivity ppa = removed.get(j);
14346                        ppir.removeFilter(ppa);
14347                    }
14348                    changed = true;
14349                }
14350            }
14351
14352            if (changed) {
14353                scheduleWritePackageRestrictionsLocked(userId);
14354            }
14355        }
14356    }
14357
14358    /**
14359     * Common machinery for picking apart a restored XML blob and passing
14360     * it to a caller-supplied functor to be applied to the running system.
14361     */
14362    private void restoreFromXml(XmlPullParser parser, int userId,
14363            String expectedStartTag, BlobXmlRestorer functor)
14364            throws IOException, XmlPullParserException {
14365        int type;
14366        while ((type = parser.next()) != XmlPullParser.START_TAG
14367                && type != XmlPullParser.END_DOCUMENT) {
14368        }
14369        if (type != XmlPullParser.START_TAG) {
14370            // oops didn't find a start tag?!
14371            if (DEBUG_BACKUP) {
14372                Slog.e(TAG, "Didn't find start tag during restore");
14373            }
14374            return;
14375        }
14376
14377        // this is supposed to be TAG_PREFERRED_BACKUP
14378        if (!expectedStartTag.equals(parser.getName())) {
14379            if (DEBUG_BACKUP) {
14380                Slog.e(TAG, "Found unexpected tag " + parser.getName());
14381            }
14382            return;
14383        }
14384
14385        // skip interfering stuff, then we're aligned with the backing implementation
14386        while ((type = parser.next()) == XmlPullParser.TEXT) { }
14387        functor.apply(parser, userId);
14388    }
14389
14390    private interface BlobXmlRestorer {
14391        public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException;
14392    }
14393
14394    /**
14395     * Non-Binder method, support for the backup/restore mechanism: write the
14396     * full set of preferred activities in its canonical XML format.  Returns the
14397     * XML output as a byte array, or null if there is none.
14398     */
14399    @Override
14400    public byte[] getPreferredActivityBackup(int userId) {
14401        if (Binder.getCallingUid() != Process.SYSTEM_UID) {
14402            throw new SecurityException("Only the system may call getPreferredActivityBackup()");
14403        }
14404
14405        ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
14406        try {
14407            final XmlSerializer serializer = new FastXmlSerializer();
14408            serializer.setOutput(dataStream, StandardCharsets.UTF_8.name());
14409            serializer.startDocument(null, true);
14410            serializer.startTag(null, TAG_PREFERRED_BACKUP);
14411
14412            synchronized (mPackages) {
14413                mSettings.writePreferredActivitiesLPr(serializer, userId, true);
14414            }
14415
14416            serializer.endTag(null, TAG_PREFERRED_BACKUP);
14417            serializer.endDocument();
14418            serializer.flush();
14419        } catch (Exception e) {
14420            if (DEBUG_BACKUP) {
14421                Slog.e(TAG, "Unable to write preferred activities for backup", e);
14422            }
14423            return null;
14424        }
14425
14426        return dataStream.toByteArray();
14427    }
14428
14429    @Override
14430    public void restorePreferredActivities(byte[] backup, int userId) {
14431        if (Binder.getCallingUid() != Process.SYSTEM_UID) {
14432            throw new SecurityException("Only the system may call restorePreferredActivities()");
14433        }
14434
14435        try {
14436            final XmlPullParser parser = Xml.newPullParser();
14437            parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name());
14438            restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP,
14439                    new BlobXmlRestorer() {
14440                        @Override
14441                        public void apply(XmlPullParser parser, int userId)
14442                                throws XmlPullParserException, IOException {
14443                            synchronized (mPackages) {
14444                                mSettings.readPreferredActivitiesLPw(parser, userId);
14445                            }
14446                        }
14447                    } );
14448        } catch (Exception e) {
14449            if (DEBUG_BACKUP) {
14450                Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage());
14451            }
14452        }
14453    }
14454
14455    /**
14456     * Non-Binder method, support for the backup/restore mechanism: write the
14457     * default browser (etc) settings in its canonical XML format.  Returns the default
14458     * browser XML representation as a byte array, or null if there is none.
14459     */
14460    @Override
14461    public byte[] getDefaultAppsBackup(int userId) {
14462        if (Binder.getCallingUid() != Process.SYSTEM_UID) {
14463            throw new SecurityException("Only the system may call getDefaultAppsBackup()");
14464        }
14465
14466        ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
14467        try {
14468            final XmlSerializer serializer = new FastXmlSerializer();
14469            serializer.setOutput(dataStream, StandardCharsets.UTF_8.name());
14470            serializer.startDocument(null, true);
14471            serializer.startTag(null, TAG_DEFAULT_APPS);
14472
14473            synchronized (mPackages) {
14474                mSettings.writeDefaultAppsLPr(serializer, userId);
14475            }
14476
14477            serializer.endTag(null, TAG_DEFAULT_APPS);
14478            serializer.endDocument();
14479            serializer.flush();
14480        } catch (Exception e) {
14481            if (DEBUG_BACKUP) {
14482                Slog.e(TAG, "Unable to write default apps for backup", e);
14483            }
14484            return null;
14485        }
14486
14487        return dataStream.toByteArray();
14488    }
14489
14490    @Override
14491    public void restoreDefaultApps(byte[] backup, int userId) {
14492        if (Binder.getCallingUid() != Process.SYSTEM_UID) {
14493            throw new SecurityException("Only the system may call restoreDefaultApps()");
14494        }
14495
14496        try {
14497            final XmlPullParser parser = Xml.newPullParser();
14498            parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name());
14499            restoreFromXml(parser, userId, TAG_DEFAULT_APPS,
14500                    new BlobXmlRestorer() {
14501                        @Override
14502                        public void apply(XmlPullParser parser, int userId)
14503                                throws XmlPullParserException, IOException {
14504                            synchronized (mPackages) {
14505                                mSettings.readDefaultAppsLPw(parser, userId);
14506                            }
14507                        }
14508                    } );
14509        } catch (Exception e) {
14510            if (DEBUG_BACKUP) {
14511                Slog.e(TAG, "Exception restoring default apps: " + e.getMessage());
14512            }
14513        }
14514    }
14515
14516    @Override
14517    public byte[] getIntentFilterVerificationBackup(int userId) {
14518        if (Binder.getCallingUid() != Process.SYSTEM_UID) {
14519            throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()");
14520        }
14521
14522        ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
14523        try {
14524            final XmlSerializer serializer = new FastXmlSerializer();
14525            serializer.setOutput(dataStream, StandardCharsets.UTF_8.name());
14526            serializer.startDocument(null, true);
14527            serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION);
14528
14529            synchronized (mPackages) {
14530                mSettings.writeAllDomainVerificationsLPr(serializer, userId);
14531            }
14532
14533            serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION);
14534            serializer.endDocument();
14535            serializer.flush();
14536        } catch (Exception e) {
14537            if (DEBUG_BACKUP) {
14538                Slog.e(TAG, "Unable to write default apps for backup", e);
14539            }
14540            return null;
14541        }
14542
14543        return dataStream.toByteArray();
14544    }
14545
14546    @Override
14547    public void restoreIntentFilterVerification(byte[] backup, int userId) {
14548        if (Binder.getCallingUid() != Process.SYSTEM_UID) {
14549            throw new SecurityException("Only the system may call restorePreferredActivities()");
14550        }
14551
14552        try {
14553            final XmlPullParser parser = Xml.newPullParser();
14554            parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name());
14555            restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION,
14556                    new BlobXmlRestorer() {
14557                        @Override
14558                        public void apply(XmlPullParser parser, int userId)
14559                                throws XmlPullParserException, IOException {
14560                            synchronized (mPackages) {
14561                                mSettings.readAllDomainVerificationsLPr(parser, userId);
14562                                mSettings.writeLPr();
14563                            }
14564                        }
14565                    } );
14566        } catch (Exception e) {
14567            if (DEBUG_BACKUP) {
14568                Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage());
14569            }
14570        }
14571    }
14572
14573    @Override
14574    public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage,
14575            int sourceUserId, int targetUserId, int flags) {
14576        mContext.enforceCallingOrSelfPermission(
14577                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
14578        int callingUid = Binder.getCallingUid();
14579        enforceOwnerRights(ownerPackage, callingUid);
14580        enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId);
14581        if (intentFilter.countActions() == 0) {
14582            Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions");
14583            return;
14584        }
14585        synchronized (mPackages) {
14586            CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter,
14587                    ownerPackage, targetUserId, flags);
14588            CrossProfileIntentResolver resolver =
14589                    mSettings.editCrossProfileIntentResolverLPw(sourceUserId);
14590            ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter);
14591            // We have all those whose filter is equal. Now checking if the rest is equal as well.
14592            if (existing != null) {
14593                int size = existing.size();
14594                for (int i = 0; i < size; i++) {
14595                    if (newFilter.equalsIgnoreFilter(existing.get(i))) {
14596                        return;
14597                    }
14598                }
14599            }
14600            resolver.addFilter(newFilter);
14601            scheduleWritePackageRestrictionsLocked(sourceUserId);
14602        }
14603    }
14604
14605    @Override
14606    public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) {
14607        mContext.enforceCallingOrSelfPermission(
14608                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
14609        int callingUid = Binder.getCallingUid();
14610        enforceOwnerRights(ownerPackage, callingUid);
14611        enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId);
14612        synchronized (mPackages) {
14613            CrossProfileIntentResolver resolver =
14614                    mSettings.editCrossProfileIntentResolverLPw(sourceUserId);
14615            ArraySet<CrossProfileIntentFilter> set =
14616                    new ArraySet<CrossProfileIntentFilter>(resolver.filterSet());
14617            for (CrossProfileIntentFilter filter : set) {
14618                if (filter.getOwnerPackage().equals(ownerPackage)) {
14619                    resolver.removeFilter(filter);
14620                }
14621            }
14622            scheduleWritePackageRestrictionsLocked(sourceUserId);
14623        }
14624    }
14625
14626    // Enforcing that callingUid is owning pkg on userId
14627    private void enforceOwnerRights(String pkg, int callingUid) {
14628        // The system owns everything.
14629        if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) {
14630            return;
14631        }
14632        int callingUserId = UserHandle.getUserId(callingUid);
14633        PackageInfo pi = getPackageInfo(pkg, 0, callingUserId);
14634        if (pi == null) {
14635            throw new IllegalArgumentException("Unknown package " + pkg + " on user "
14636                    + callingUserId);
14637        }
14638        if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) {
14639            throw new SecurityException("Calling uid " + callingUid
14640                    + " does not own package " + pkg);
14641        }
14642    }
14643
14644    @Override
14645    public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) {
14646        Intent intent = new Intent(Intent.ACTION_MAIN);
14647        intent.addCategory(Intent.CATEGORY_HOME);
14648
14649        final int callingUserId = UserHandle.getCallingUserId();
14650        List<ResolveInfo> list = queryIntentActivities(intent, null,
14651                PackageManager.GET_META_DATA, callingUserId);
14652        ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0,
14653                true, false, false, callingUserId);
14654
14655        allHomeCandidates.clear();
14656        if (list != null) {
14657            for (ResolveInfo ri : list) {
14658                allHomeCandidates.add(ri);
14659            }
14660        }
14661        return (preferred == null || preferred.activityInfo == null)
14662                ? null
14663                : new ComponentName(preferred.activityInfo.packageName,
14664                        preferred.activityInfo.name);
14665    }
14666
14667    @Override
14668    public void setApplicationEnabledSetting(String appPackageName,
14669            int newState, int flags, int userId, String callingPackage) {
14670        if (!sUserManager.exists(userId)) return;
14671        if (callingPackage == null) {
14672            callingPackage = Integer.toString(Binder.getCallingUid());
14673        }
14674        setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage);
14675    }
14676
14677    @Override
14678    public void setComponentEnabledSetting(ComponentName componentName,
14679            int newState, int flags, int userId) {
14680        if (!sUserManager.exists(userId)) return;
14681        setEnabledSetting(componentName.getPackageName(),
14682                componentName.getClassName(), newState, flags, userId, null);
14683    }
14684
14685    private void setEnabledSetting(final String packageName, String className, int newState,
14686            final int flags, int userId, String callingPackage) {
14687        if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT
14688              || newState == COMPONENT_ENABLED_STATE_ENABLED
14689              || newState == COMPONENT_ENABLED_STATE_DISABLED
14690              || newState == COMPONENT_ENABLED_STATE_DISABLED_USER
14691              || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) {
14692            throw new IllegalArgumentException("Invalid new component state: "
14693                    + newState);
14694        }
14695        PackageSetting pkgSetting;
14696        final int uid = Binder.getCallingUid();
14697        final int permission = mContext.checkCallingOrSelfPermission(
14698                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
14699        enforceCrossUserPermission(uid, userId, false, true, "set enabled");
14700        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
14701        boolean sendNow = false;
14702        boolean isApp = (className == null);
14703        String componentName = isApp ? packageName : className;
14704        int packageUid = -1;
14705        ArrayList<String> components;
14706
14707        // writer
14708        synchronized (mPackages) {
14709            pkgSetting = mSettings.mPackages.get(packageName);
14710            if (pkgSetting == null) {
14711                if (className == null) {
14712                    throw new IllegalArgumentException(
14713                            "Unknown package: " + packageName);
14714                }
14715                throw new IllegalArgumentException(
14716                        "Unknown component: " + packageName
14717                        + "/" + className);
14718            }
14719            // Allow root and verify that userId is not being specified by a different user
14720            if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) {
14721                throw new SecurityException(
14722                        "Permission Denial: attempt to change component state from pid="
14723                        + Binder.getCallingPid()
14724                        + ", uid=" + uid + ", package uid=" + pkgSetting.appId);
14725            }
14726            if (className == null) {
14727                // We're dealing with an application/package level state change
14728                if (pkgSetting.getEnabled(userId) == newState) {
14729                    // Nothing to do
14730                    return;
14731                }
14732                if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT
14733                    || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) {
14734                    // Don't care about who enables an app.
14735                    callingPackage = null;
14736                }
14737                pkgSetting.setEnabled(newState, userId, callingPackage);
14738                // pkgSetting.pkg.mSetEnabled = newState;
14739            } else {
14740                // We're dealing with a component level state change
14741                // First, verify that this is a valid class name.
14742                PackageParser.Package pkg = pkgSetting.pkg;
14743                if (pkg == null || !pkg.hasComponentClassName(className)) {
14744                    if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) {
14745                        throw new IllegalArgumentException("Component class " + className
14746                                + " does not exist in " + packageName);
14747                    } else {
14748                        Slog.w(TAG, "Failed setComponentEnabledSetting: component class "
14749                                + className + " does not exist in " + packageName);
14750                    }
14751                }
14752                switch (newState) {
14753                case COMPONENT_ENABLED_STATE_ENABLED:
14754                    if (!pkgSetting.enableComponentLPw(className, userId)) {
14755                        return;
14756                    }
14757                    break;
14758                case COMPONENT_ENABLED_STATE_DISABLED:
14759                    if (!pkgSetting.disableComponentLPw(className, userId)) {
14760                        return;
14761                    }
14762                    break;
14763                case COMPONENT_ENABLED_STATE_DEFAULT:
14764                    if (!pkgSetting.restoreComponentLPw(className, userId)) {
14765                        return;
14766                    }
14767                    break;
14768                default:
14769                    Slog.e(TAG, "Invalid new component state: " + newState);
14770                    return;
14771                }
14772            }
14773            scheduleWritePackageRestrictionsLocked(userId);
14774            components = mPendingBroadcasts.get(userId, packageName);
14775            final boolean newPackage = components == null;
14776            if (newPackage) {
14777                components = new ArrayList<String>();
14778            }
14779            if (!components.contains(componentName)) {
14780                components.add(componentName);
14781            }
14782            if ((flags&PackageManager.DONT_KILL_APP) == 0) {
14783                sendNow = true;
14784                // Purge entry from pending broadcast list if another one exists already
14785                // since we are sending one right away.
14786                mPendingBroadcasts.remove(userId, packageName);
14787            } else {
14788                if (newPackage) {
14789                    mPendingBroadcasts.put(userId, packageName, components);
14790                }
14791                if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) {
14792                    // Schedule a message
14793                    mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY);
14794                }
14795            }
14796        }
14797
14798        long callingId = Binder.clearCallingIdentity();
14799        try {
14800            if (sendNow) {
14801                packageUid = UserHandle.getUid(userId, pkgSetting.appId);
14802                sendPackageChangedBroadcast(packageName,
14803                        (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid);
14804            }
14805        } finally {
14806            Binder.restoreCallingIdentity(callingId);
14807        }
14808    }
14809
14810    private void sendPackageChangedBroadcast(String packageName,
14811            boolean killFlag, ArrayList<String> componentNames, int packageUid) {
14812        if (DEBUG_INSTALL)
14813            Log.v(TAG, "Sending package changed: package=" + packageName + " components="
14814                    + componentNames);
14815        Bundle extras = new Bundle(4);
14816        extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0));
14817        String nameList[] = new String[componentNames.size()];
14818        componentNames.toArray(nameList);
14819        extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList);
14820        extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag);
14821        extras.putInt(Intent.EXTRA_UID, packageUid);
14822        sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED,  packageName, extras, null, null,
14823                new int[] {UserHandle.getUserId(packageUid)});
14824    }
14825
14826    @Override
14827    public void setPackageStoppedState(String packageName, boolean stopped, int userId) {
14828        if (!sUserManager.exists(userId)) return;
14829        final int uid = Binder.getCallingUid();
14830        final int permission = mContext.checkCallingOrSelfPermission(
14831                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
14832        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
14833        enforceCrossUserPermission(uid, userId, true, true, "stop package");
14834        // writer
14835        synchronized (mPackages) {
14836            if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped,
14837                    allowedByPermission, uid, userId)) {
14838                scheduleWritePackageRestrictionsLocked(userId);
14839            }
14840        }
14841    }
14842
14843    @Override
14844    public String getInstallerPackageName(String packageName) {
14845        // reader
14846        synchronized (mPackages) {
14847            return mSettings.getInstallerPackageNameLPr(packageName);
14848        }
14849    }
14850
14851    @Override
14852    public int getApplicationEnabledSetting(String packageName, int userId) {
14853        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
14854        int uid = Binder.getCallingUid();
14855        enforceCrossUserPermission(uid, userId, false, false, "get enabled");
14856        // reader
14857        synchronized (mPackages) {
14858            return mSettings.getApplicationEnabledSettingLPr(packageName, userId);
14859        }
14860    }
14861
14862    @Override
14863    public int getComponentEnabledSetting(ComponentName componentName, int userId) {
14864        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
14865        int uid = Binder.getCallingUid();
14866        enforceCrossUserPermission(uid, userId, false, false, "get component enabled");
14867        // reader
14868        synchronized (mPackages) {
14869            return mSettings.getComponentEnabledSettingLPr(componentName, userId);
14870        }
14871    }
14872
14873    @Override
14874    public void enterSafeMode() {
14875        enforceSystemOrRoot("Only the system can request entering safe mode");
14876
14877        if (!mSystemReady) {
14878            mSafeMode = true;
14879        }
14880    }
14881
14882    @Override
14883    public void systemReady() {
14884        mSystemReady = true;
14885
14886        // Read the compatibilty setting when the system is ready.
14887        boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt(
14888                mContext.getContentResolver(),
14889                android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1;
14890        PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled);
14891        if (DEBUG_SETTINGS) {
14892            Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled);
14893        }
14894
14895        int[] grantPermissionsUserIds = EMPTY_INT_ARRAY;
14896
14897        synchronized (mPackages) {
14898            // Verify that all of the preferred activity components actually
14899            // exist.  It is possible for applications to be updated and at
14900            // that point remove a previously declared activity component that
14901            // had been set as a preferred activity.  We try to clean this up
14902            // the next time we encounter that preferred activity, but it is
14903            // possible for the user flow to never be able to return to that
14904            // situation so here we do a sanity check to make sure we haven't
14905            // left any junk around.
14906            ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>();
14907            for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
14908                PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
14909                removed.clear();
14910                for (PreferredActivity pa : pir.filterSet()) {
14911                    if (mActivities.mActivities.get(pa.mPref.mComponent) == null) {
14912                        removed.add(pa);
14913                    }
14914                }
14915                if (removed.size() > 0) {
14916                    for (int r=0; r<removed.size(); r++) {
14917                        PreferredActivity pa = removed.get(r);
14918                        Slog.w(TAG, "Removing dangling preferred activity: "
14919                                + pa.mPref.mComponent);
14920                        pir.removeFilter(pa);
14921                    }
14922                    mSettings.writePackageRestrictionsLPr(
14923                            mSettings.mPreferredActivities.keyAt(i));
14924                }
14925            }
14926
14927            for (int userId : UserManagerService.getInstance().getUserIds()) {
14928                if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) {
14929                    grantPermissionsUserIds = ArrayUtils.appendInt(
14930                            grantPermissionsUserIds, userId);
14931                }
14932            }
14933        }
14934        sUserManager.systemReady();
14935
14936        // If we upgraded grant all default permissions before kicking off.
14937        for (int userId : grantPermissionsUserIds) {
14938            mDefaultPermissionPolicy.grantDefaultPermissions(userId);
14939        }
14940
14941        // Kick off any messages waiting for system ready
14942        if (mPostSystemReadyMessages != null) {
14943            for (Message msg : mPostSystemReadyMessages) {
14944                msg.sendToTarget();
14945            }
14946            mPostSystemReadyMessages = null;
14947        }
14948
14949        // Watch for external volumes that come and go over time
14950        final StorageManager storage = mContext.getSystemService(StorageManager.class);
14951        storage.registerListener(mStorageListener);
14952
14953        mInstallerService.systemReady();
14954        mPackageDexOptimizer.systemReady();
14955
14956        MountServiceInternal mountServiceInternal = LocalServices.getService(
14957                MountServiceInternal.class);
14958        mountServiceInternal.addExternalStoragePolicy(
14959                new MountServiceInternal.ExternalStorageMountPolicy() {
14960            @Override
14961            public int getMountMode(int uid, String packageName) {
14962                if (Process.isIsolated(uid)) {
14963                    return Zygote.MOUNT_EXTERNAL_NONE;
14964                }
14965                if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) {
14966                    return Zygote.MOUNT_EXTERNAL_DEFAULT;
14967                }
14968                if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) {
14969                    return Zygote.MOUNT_EXTERNAL_DEFAULT;
14970                }
14971                if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) {
14972                    return Zygote.MOUNT_EXTERNAL_READ;
14973                }
14974                return Zygote.MOUNT_EXTERNAL_WRITE;
14975            }
14976
14977            @Override
14978            public boolean hasExternalStorage(int uid, String packageName) {
14979                return true;
14980            }
14981        });
14982    }
14983
14984    @Override
14985    public boolean isSafeMode() {
14986        return mSafeMode;
14987    }
14988
14989    @Override
14990    public boolean hasSystemUidErrors() {
14991        return mHasSystemUidErrors;
14992    }
14993
14994    static String arrayToString(int[] array) {
14995        StringBuffer buf = new StringBuffer(128);
14996        buf.append('[');
14997        if (array != null) {
14998            for (int i=0; i<array.length; i++) {
14999                if (i > 0) buf.append(", ");
15000                buf.append(array[i]);
15001            }
15002        }
15003        buf.append(']');
15004        return buf.toString();
15005    }
15006
15007    static class DumpState {
15008        public static final int DUMP_LIBS = 1 << 0;
15009        public static final int DUMP_FEATURES = 1 << 1;
15010        public static final int DUMP_RESOLVERS = 1 << 2;
15011        public static final int DUMP_PERMISSIONS = 1 << 3;
15012        public static final int DUMP_PACKAGES = 1 << 4;
15013        public static final int DUMP_SHARED_USERS = 1 << 5;
15014        public static final int DUMP_MESSAGES = 1 << 6;
15015        public static final int DUMP_PROVIDERS = 1 << 7;
15016        public static final int DUMP_VERIFIERS = 1 << 8;
15017        public static final int DUMP_PREFERRED = 1 << 9;
15018        public static final int DUMP_PREFERRED_XML = 1 << 10;
15019        public static final int DUMP_KEYSETS = 1 << 11;
15020        public static final int DUMP_VERSION = 1 << 12;
15021        public static final int DUMP_INSTALLS = 1 << 13;
15022        public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14;
15023        public static final int DUMP_DOMAIN_PREFERRED = 1 << 15;
15024
15025        public static final int OPTION_SHOW_FILTERS = 1 << 0;
15026
15027        private int mTypes;
15028
15029        private int mOptions;
15030
15031        private boolean mTitlePrinted;
15032
15033        private SharedUserSetting mSharedUser;
15034
15035        public boolean isDumping(int type) {
15036            if (mTypes == 0 && type != DUMP_PREFERRED_XML) {
15037                return true;
15038            }
15039
15040            return (mTypes & type) != 0;
15041        }
15042
15043        public void setDump(int type) {
15044            mTypes |= type;
15045        }
15046
15047        public boolean isOptionEnabled(int option) {
15048            return (mOptions & option) != 0;
15049        }
15050
15051        public void setOptionEnabled(int option) {
15052            mOptions |= option;
15053        }
15054
15055        public boolean onTitlePrinted() {
15056            final boolean printed = mTitlePrinted;
15057            mTitlePrinted = true;
15058            return printed;
15059        }
15060
15061        public boolean getTitlePrinted() {
15062            return mTitlePrinted;
15063        }
15064
15065        public void setTitlePrinted(boolean enabled) {
15066            mTitlePrinted = enabled;
15067        }
15068
15069        public SharedUserSetting getSharedUser() {
15070            return mSharedUser;
15071        }
15072
15073        public void setSharedUser(SharedUserSetting user) {
15074            mSharedUser = user;
15075        }
15076    }
15077
15078    @Override
15079    public void onShellCommand(FileDescriptor in, FileDescriptor out,
15080            FileDescriptor err, String[] args, ResultReceiver resultReceiver) {
15081        (new PackageManagerShellCommand(this)).exec(
15082                this, in, out, err, args, resultReceiver);
15083    }
15084
15085    @Override
15086    protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
15087        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
15088                != PackageManager.PERMISSION_GRANTED) {
15089            pw.println("Permission Denial: can't dump ActivityManager from from pid="
15090                    + Binder.getCallingPid()
15091                    + ", uid=" + Binder.getCallingUid()
15092                    + " without permission "
15093                    + android.Manifest.permission.DUMP);
15094            return;
15095        }
15096
15097        DumpState dumpState = new DumpState();
15098        boolean fullPreferred = false;
15099        boolean checkin = false;
15100
15101        String packageName = null;
15102        ArraySet<String> permissionNames = null;
15103
15104        int opti = 0;
15105        while (opti < args.length) {
15106            String opt = args[opti];
15107            if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') {
15108                break;
15109            }
15110            opti++;
15111
15112            if ("-a".equals(opt)) {
15113                // Right now we only know how to print all.
15114            } else if ("-h".equals(opt)) {
15115                pw.println("Package manager dump options:");
15116                pw.println("  [-h] [-f] [--checkin] [cmd] ...");
15117                pw.println("    --checkin: dump for a checkin");
15118                pw.println("    -f: print details of intent filters");
15119                pw.println("    -h: print this help");
15120                pw.println("  cmd may be one of:");
15121                pw.println("    l[ibraries]: list known shared libraries");
15122                pw.println("    f[ibraries]: list device features");
15123                pw.println("    k[eysets]: print known keysets");
15124                pw.println("    r[esolvers]: dump intent resolvers");
15125                pw.println("    perm[issions]: dump permissions");
15126                pw.println("    permission [name ...]: dump declaration and use of given permission");
15127                pw.println("    pref[erred]: print preferred package settings");
15128                pw.println("    preferred-xml [--full]: print preferred package settings as xml");
15129                pw.println("    prov[iders]: dump content providers");
15130                pw.println("    p[ackages]: dump installed packages");
15131                pw.println("    s[hared-users]: dump shared user IDs");
15132                pw.println("    m[essages]: print collected runtime messages");
15133                pw.println("    v[erifiers]: print package verifier info");
15134                pw.println("    d[omain-preferred-apps]: print domains preferred apps");
15135                pw.println("    i[ntent-filter-verifiers]|ifv: print intent filter verifier info");
15136                pw.println("    version: print database version info");
15137                pw.println("    write: write current settings now");
15138                pw.println("    installs: details about install sessions");
15139                pw.println("    check-permission <permission> <package> [<user>]: does pkg hold perm?");
15140                pw.println("    <package.name>: info about given package");
15141                return;
15142            } else if ("--checkin".equals(opt)) {
15143                checkin = true;
15144            } else if ("-f".equals(opt)) {
15145                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
15146            } else {
15147                pw.println("Unknown argument: " + opt + "; use -h for help");
15148            }
15149        }
15150
15151        // Is the caller requesting to dump a particular piece of data?
15152        if (opti < args.length) {
15153            String cmd = args[opti];
15154            opti++;
15155            // Is this a package name?
15156            if ("android".equals(cmd) || cmd.contains(".")) {
15157                packageName = cmd;
15158                // When dumping a single package, we always dump all of its
15159                // filter information since the amount of data will be reasonable.
15160                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
15161            } else if ("check-permission".equals(cmd)) {
15162                if (opti >= args.length) {
15163                    pw.println("Error: check-permission missing permission argument");
15164                    return;
15165                }
15166                String perm = args[opti];
15167                opti++;
15168                if (opti >= args.length) {
15169                    pw.println("Error: check-permission missing package argument");
15170                    return;
15171                }
15172                String pkg = args[opti];
15173                opti++;
15174                int user = UserHandle.getUserId(Binder.getCallingUid());
15175                if (opti < args.length) {
15176                    try {
15177                        user = Integer.parseInt(args[opti]);
15178                    } catch (NumberFormatException e) {
15179                        pw.println("Error: check-permission user argument is not a number: "
15180                                + args[opti]);
15181                        return;
15182                    }
15183                }
15184                pw.println(checkPermission(perm, pkg, user));
15185                return;
15186            } else if ("l".equals(cmd) || "libraries".equals(cmd)) {
15187                dumpState.setDump(DumpState.DUMP_LIBS);
15188            } else if ("f".equals(cmd) || "features".equals(cmd)) {
15189                dumpState.setDump(DumpState.DUMP_FEATURES);
15190            } else if ("r".equals(cmd) || "resolvers".equals(cmd)) {
15191                dumpState.setDump(DumpState.DUMP_RESOLVERS);
15192            } else if ("perm".equals(cmd) || "permissions".equals(cmd)) {
15193                dumpState.setDump(DumpState.DUMP_PERMISSIONS);
15194            } else if ("permission".equals(cmd)) {
15195                if (opti >= args.length) {
15196                    pw.println("Error: permission requires permission name");
15197                    return;
15198                }
15199                permissionNames = new ArraySet<>();
15200                while (opti < args.length) {
15201                    permissionNames.add(args[opti]);
15202                    opti++;
15203                }
15204                dumpState.setDump(DumpState.DUMP_PERMISSIONS
15205                        | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS);
15206            } else if ("pref".equals(cmd) || "preferred".equals(cmd)) {
15207                dumpState.setDump(DumpState.DUMP_PREFERRED);
15208            } else if ("preferred-xml".equals(cmd)) {
15209                dumpState.setDump(DumpState.DUMP_PREFERRED_XML);
15210                if (opti < args.length && "--full".equals(args[opti])) {
15211                    fullPreferred = true;
15212                    opti++;
15213                }
15214            } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) {
15215                dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED);
15216            } else if ("p".equals(cmd) || "packages".equals(cmd)) {
15217                dumpState.setDump(DumpState.DUMP_PACKAGES);
15218            } else if ("s".equals(cmd) || "shared-users".equals(cmd)) {
15219                dumpState.setDump(DumpState.DUMP_SHARED_USERS);
15220            } else if ("prov".equals(cmd) || "providers".equals(cmd)) {
15221                dumpState.setDump(DumpState.DUMP_PROVIDERS);
15222            } else if ("m".equals(cmd) || "messages".equals(cmd)) {
15223                dumpState.setDump(DumpState.DUMP_MESSAGES);
15224            } else if ("v".equals(cmd) || "verifiers".equals(cmd)) {
15225                dumpState.setDump(DumpState.DUMP_VERIFIERS);
15226            } else if ("i".equals(cmd) || "ifv".equals(cmd)
15227                    || "intent-filter-verifiers".equals(cmd)) {
15228                dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS);
15229            } else if ("version".equals(cmd)) {
15230                dumpState.setDump(DumpState.DUMP_VERSION);
15231            } else if ("k".equals(cmd) || "keysets".equals(cmd)) {
15232                dumpState.setDump(DumpState.DUMP_KEYSETS);
15233            } else if ("installs".equals(cmd)) {
15234                dumpState.setDump(DumpState.DUMP_INSTALLS);
15235            } else if ("write".equals(cmd)) {
15236                synchronized (mPackages) {
15237                    mSettings.writeLPr();
15238                    pw.println("Settings written.");
15239                    return;
15240                }
15241            }
15242        }
15243
15244        if (checkin) {
15245            pw.println("vers,1");
15246        }
15247
15248        // reader
15249        synchronized (mPackages) {
15250            if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) {
15251                if (!checkin) {
15252                    if (dumpState.onTitlePrinted())
15253                        pw.println();
15254                    pw.println("Database versions:");
15255                    mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, "  "));
15256                }
15257            }
15258
15259            if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) {
15260                if (!checkin) {
15261                    if (dumpState.onTitlePrinted())
15262                        pw.println();
15263                    pw.println("Verifiers:");
15264                    pw.print("  Required: ");
15265                    pw.print(mRequiredVerifierPackage);
15266                    pw.print(" (uid=");
15267                    pw.print(getPackageUid(mRequiredVerifierPackage, 0));
15268                    pw.println(")");
15269                } else if (mRequiredVerifierPackage != null) {
15270                    pw.print("vrfy,"); pw.print(mRequiredVerifierPackage);
15271                    pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0));
15272                }
15273            }
15274
15275            if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) &&
15276                    packageName == null) {
15277                if (mIntentFilterVerifierComponent != null) {
15278                    String verifierPackageName = mIntentFilterVerifierComponent.getPackageName();
15279                    if (!checkin) {
15280                        if (dumpState.onTitlePrinted())
15281                            pw.println();
15282                        pw.println("Intent Filter Verifier:");
15283                        pw.print("  Using: ");
15284                        pw.print(verifierPackageName);
15285                        pw.print(" (uid=");
15286                        pw.print(getPackageUid(verifierPackageName, 0));
15287                        pw.println(")");
15288                    } else if (verifierPackageName != null) {
15289                        pw.print("ifv,"); pw.print(verifierPackageName);
15290                        pw.print(","); pw.println(getPackageUid(verifierPackageName, 0));
15291                    }
15292                } else {
15293                    pw.println();
15294                    pw.println("No Intent Filter Verifier available!");
15295                }
15296            }
15297
15298            if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) {
15299                boolean printedHeader = false;
15300                final Iterator<String> it = mSharedLibraries.keySet().iterator();
15301                while (it.hasNext()) {
15302                    String name = it.next();
15303                    SharedLibraryEntry ent = mSharedLibraries.get(name);
15304                    if (!checkin) {
15305                        if (!printedHeader) {
15306                            if (dumpState.onTitlePrinted())
15307                                pw.println();
15308                            pw.println("Libraries:");
15309                            printedHeader = true;
15310                        }
15311                        pw.print("  ");
15312                    } else {
15313                        pw.print("lib,");
15314                    }
15315                    pw.print(name);
15316                    if (!checkin) {
15317                        pw.print(" -> ");
15318                    }
15319                    if (ent.path != null) {
15320                        if (!checkin) {
15321                            pw.print("(jar) ");
15322                            pw.print(ent.path);
15323                        } else {
15324                            pw.print(",jar,");
15325                            pw.print(ent.path);
15326                        }
15327                    } else {
15328                        if (!checkin) {
15329                            pw.print("(apk) ");
15330                            pw.print(ent.apk);
15331                        } else {
15332                            pw.print(",apk,");
15333                            pw.print(ent.apk);
15334                        }
15335                    }
15336                    pw.println();
15337                }
15338            }
15339
15340            if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) {
15341                if (dumpState.onTitlePrinted())
15342                    pw.println();
15343                if (!checkin) {
15344                    pw.println("Features:");
15345                }
15346                Iterator<String> it = mAvailableFeatures.keySet().iterator();
15347                while (it.hasNext()) {
15348                    String name = it.next();
15349                    if (!checkin) {
15350                        pw.print("  ");
15351                    } else {
15352                        pw.print("feat,");
15353                    }
15354                    pw.println(name);
15355                }
15356            }
15357
15358            if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) {
15359                if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:"
15360                        : "Activity Resolver Table:", "  ", packageName,
15361                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
15362                    dumpState.setTitlePrinted(true);
15363                }
15364                if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:"
15365                        : "Receiver Resolver Table:", "  ", packageName,
15366                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
15367                    dumpState.setTitlePrinted(true);
15368                }
15369                if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:"
15370                        : "Service Resolver Table:", "  ", packageName,
15371                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
15372                    dumpState.setTitlePrinted(true);
15373                }
15374                if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:"
15375                        : "Provider Resolver Table:", "  ", packageName,
15376                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
15377                    dumpState.setTitlePrinted(true);
15378                }
15379            }
15380
15381            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) {
15382                for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
15383                    PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
15384                    int user = mSettings.mPreferredActivities.keyAt(i);
15385                    if (pir.dump(pw,
15386                            dumpState.getTitlePrinted()
15387                                ? "\nPreferred Activities User " + user + ":"
15388                                : "Preferred Activities User " + user + ":", "  ",
15389                            packageName, true, false)) {
15390                        dumpState.setTitlePrinted(true);
15391                    }
15392                }
15393            }
15394
15395            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) {
15396                pw.flush();
15397                FileOutputStream fout = new FileOutputStream(fd);
15398                BufferedOutputStream str = new BufferedOutputStream(fout);
15399                XmlSerializer serializer = new FastXmlSerializer();
15400                try {
15401                    serializer.setOutput(str, StandardCharsets.UTF_8.name());
15402                    serializer.startDocument(null, true);
15403                    serializer.setFeature(
15404                            "http://xmlpull.org/v1/doc/features.html#indent-output", true);
15405                    mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred);
15406                    serializer.endDocument();
15407                    serializer.flush();
15408                } catch (IllegalArgumentException e) {
15409                    pw.println("Failed writing: " + e);
15410                } catch (IllegalStateException e) {
15411                    pw.println("Failed writing: " + e);
15412                } catch (IOException e) {
15413                    pw.println("Failed writing: " + e);
15414                }
15415            }
15416
15417            if (!checkin
15418                    && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED)
15419                    && packageName == null) {
15420                pw.println();
15421                int count = mSettings.mPackages.size();
15422                if (count == 0) {
15423                    pw.println("No applications!");
15424                    pw.println();
15425                } else {
15426                    final String prefix = "  ";
15427                    Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values();
15428                    if (allPackageSettings.size() == 0) {
15429                        pw.println("No domain preferred apps!");
15430                        pw.println();
15431                    } else {
15432                        pw.println("App verification status:");
15433                        pw.println();
15434                        count = 0;
15435                        for (PackageSetting ps : allPackageSettings) {
15436                            IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo();
15437                            if (ivi == null || ivi.getPackageName() == null) continue;
15438                            pw.println(prefix + "Package: " + ivi.getPackageName());
15439                            pw.println(prefix + "Domains: " + ivi.getDomainsString());
15440                            pw.println(prefix + "Status:  " + ivi.getStatusString());
15441                            pw.println();
15442                            count++;
15443                        }
15444                        if (count == 0) {
15445                            pw.println(prefix + "No app verification established.");
15446                            pw.println();
15447                        }
15448                        for (int userId : sUserManager.getUserIds()) {
15449                            pw.println("App linkages for user " + userId + ":");
15450                            pw.println();
15451                            count = 0;
15452                            for (PackageSetting ps : allPackageSettings) {
15453                                final long status = ps.getDomainVerificationStatusForUser(userId);
15454                                if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) {
15455                                    continue;
15456                                }
15457                                pw.println(prefix + "Package: " + ps.name);
15458                                pw.println(prefix + "Domains: " + dumpDomainString(ps.name));
15459                                String statusStr = IntentFilterVerificationInfo.
15460                                        getStatusStringFromValue(status);
15461                                pw.println(prefix + "Status:  " + statusStr);
15462                                pw.println();
15463                                count++;
15464                            }
15465                            if (count == 0) {
15466                                pw.println(prefix + "No configured app linkages.");
15467                                pw.println();
15468                            }
15469                        }
15470                    }
15471                }
15472            }
15473
15474            if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) {
15475                mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState);
15476                if (packageName == null && permissionNames == null) {
15477                    for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) {
15478                        if (iperm == 0) {
15479                            if (dumpState.onTitlePrinted())
15480                                pw.println();
15481                            pw.println("AppOp Permissions:");
15482                        }
15483                        pw.print("  AppOp Permission ");
15484                        pw.print(mAppOpPermissionPackages.keyAt(iperm));
15485                        pw.println(":");
15486                        ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm);
15487                        for (int ipkg=0; ipkg<pkgs.size(); ipkg++) {
15488                            pw.print("    "); pw.println(pkgs.valueAt(ipkg));
15489                        }
15490                    }
15491                }
15492            }
15493
15494            if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) {
15495                boolean printedSomething = false;
15496                for (PackageParser.Provider p : mProviders.mProviders.values()) {
15497                    if (packageName != null && !packageName.equals(p.info.packageName)) {
15498                        continue;
15499                    }
15500                    if (!printedSomething) {
15501                        if (dumpState.onTitlePrinted())
15502                            pw.println();
15503                        pw.println("Registered ContentProviders:");
15504                        printedSomething = true;
15505                    }
15506                    pw.print("  "); p.printComponentShortName(pw); pw.println(":");
15507                    pw.print("    "); pw.println(p.toString());
15508                }
15509                printedSomething = false;
15510                for (Map.Entry<String, PackageParser.Provider> entry :
15511                        mProvidersByAuthority.entrySet()) {
15512                    PackageParser.Provider p = entry.getValue();
15513                    if (packageName != null && !packageName.equals(p.info.packageName)) {
15514                        continue;
15515                    }
15516                    if (!printedSomething) {
15517                        if (dumpState.onTitlePrinted())
15518                            pw.println();
15519                        pw.println("ContentProvider Authorities:");
15520                        printedSomething = true;
15521                    }
15522                    pw.print("  ["); pw.print(entry.getKey()); pw.println("]:");
15523                    pw.print("    "); pw.println(p.toString());
15524                    if (p.info != null && p.info.applicationInfo != null) {
15525                        final String appInfo = p.info.applicationInfo.toString();
15526                        pw.print("      applicationInfo="); pw.println(appInfo);
15527                    }
15528                }
15529            }
15530
15531            if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) {
15532                mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState);
15533            }
15534
15535            if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) {
15536                mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin);
15537            }
15538
15539            if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) {
15540                mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin);
15541            }
15542
15543            if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) {
15544                // XXX should handle packageName != null by dumping only install data that
15545                // the given package is involved with.
15546                if (dumpState.onTitlePrinted()) pw.println();
15547                mInstallerService.dump(new IndentingPrintWriter(pw, "  ", 120));
15548            }
15549
15550            if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) {
15551                if (dumpState.onTitlePrinted()) pw.println();
15552                mSettings.dumpReadMessagesLPr(pw, dumpState);
15553
15554                pw.println();
15555                pw.println("Package warning messages:");
15556                BufferedReader in = null;
15557                String line = null;
15558                try {
15559                    in = new BufferedReader(new FileReader(getSettingsProblemFile()));
15560                    while ((line = in.readLine()) != null) {
15561                        if (line.contains("ignored: updated version")) continue;
15562                        pw.println(line);
15563                    }
15564                } catch (IOException ignored) {
15565                } finally {
15566                    IoUtils.closeQuietly(in);
15567                }
15568            }
15569
15570            if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) {
15571                BufferedReader in = null;
15572                String line = null;
15573                try {
15574                    in = new BufferedReader(new FileReader(getSettingsProblemFile()));
15575                    while ((line = in.readLine()) != null) {
15576                        if (line.contains("ignored: updated version")) continue;
15577                        pw.print("msg,");
15578                        pw.println(line);
15579                    }
15580                } catch (IOException ignored) {
15581                } finally {
15582                    IoUtils.closeQuietly(in);
15583                }
15584            }
15585        }
15586    }
15587
15588    private String dumpDomainString(String packageName) {
15589        List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName);
15590        List<IntentFilter> filters = getAllIntentFilters(packageName);
15591
15592        ArraySet<String> result = new ArraySet<>();
15593        if (iviList.size() > 0) {
15594            for (IntentFilterVerificationInfo ivi : iviList) {
15595                for (String host : ivi.getDomains()) {
15596                    result.add(host);
15597                }
15598            }
15599        }
15600        if (filters != null && filters.size() > 0) {
15601            for (IntentFilter filter : filters) {
15602                if (filter.hasCategory(Intent.CATEGORY_BROWSABLE)
15603                        && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) ||
15604                                filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) {
15605                    result.addAll(filter.getHostsList());
15606                }
15607            }
15608        }
15609
15610        StringBuilder sb = new StringBuilder(result.size() * 16);
15611        for (String domain : result) {
15612            if (sb.length() > 0) sb.append(" ");
15613            sb.append(domain);
15614        }
15615        return sb.toString();
15616    }
15617
15618    // ------- apps on sdcard specific code -------
15619    static final boolean DEBUG_SD_INSTALL = false;
15620
15621    private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD";
15622
15623    private static final String SD_ENCRYPTION_ALGORITHM = "AES";
15624
15625    private boolean mMediaMounted = false;
15626
15627    static String getEncryptKey() {
15628        try {
15629            String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString(
15630                    SD_ENCRYPTION_KEYSTORE_NAME);
15631            if (sdEncKey == null) {
15632                sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128,
15633                        SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME);
15634                if (sdEncKey == null) {
15635                    Slog.e(TAG, "Failed to create encryption keys");
15636                    return null;
15637                }
15638            }
15639            return sdEncKey;
15640        } catch (NoSuchAlgorithmException nsae) {
15641            Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae);
15642            return null;
15643        } catch (IOException ioe) {
15644            Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe);
15645            return null;
15646        }
15647    }
15648
15649    /*
15650     * Update media status on PackageManager.
15651     */
15652    @Override
15653    public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) {
15654        int callingUid = Binder.getCallingUid();
15655        if (callingUid != 0 && callingUid != Process.SYSTEM_UID) {
15656            throw new SecurityException("Media status can only be updated by the system");
15657        }
15658        // reader; this apparently protects mMediaMounted, but should probably
15659        // be a different lock in that case.
15660        synchronized (mPackages) {
15661            Log.i(TAG, "Updating external media status from "
15662                    + (mMediaMounted ? "mounted" : "unmounted") + " to "
15663                    + (mediaStatus ? "mounted" : "unmounted"));
15664            if (DEBUG_SD_INSTALL)
15665                Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus
15666                        + ", mMediaMounted=" + mMediaMounted);
15667            if (mediaStatus == mMediaMounted) {
15668                final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1
15669                        : 0, -1);
15670                mHandler.sendMessage(msg);
15671                return;
15672            }
15673            mMediaMounted = mediaStatus;
15674        }
15675        // Queue up an async operation since the package installation may take a
15676        // little while.
15677        mHandler.post(new Runnable() {
15678            public void run() {
15679                updateExternalMediaStatusInner(mediaStatus, reportStatus, true);
15680            }
15681        });
15682    }
15683
15684    /**
15685     * Called by MountService when the initial ASECs to scan are available.
15686     * Should block until all the ASEC containers are finished being scanned.
15687     */
15688    public void scanAvailableAsecs() {
15689        updateExternalMediaStatusInner(true, false, false);
15690        if (mShouldRestoreconData) {
15691            SELinuxMMAC.setRestoreconDone();
15692            mShouldRestoreconData = false;
15693        }
15694    }
15695
15696    /*
15697     * Collect information of applications on external media, map them against
15698     * existing containers and update information based on current mount status.
15699     * Please note that we always have to report status if reportStatus has been
15700     * set to true especially when unloading packages.
15701     */
15702    private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus,
15703            boolean externalStorage) {
15704        ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>();
15705        int[] uidArr = EmptyArray.INT;
15706
15707        final String[] list = PackageHelper.getSecureContainerList();
15708        if (ArrayUtils.isEmpty(list)) {
15709            Log.i(TAG, "No secure containers found");
15710        } else {
15711            // Process list of secure containers and categorize them
15712            // as active or stale based on their package internal state.
15713
15714            // reader
15715            synchronized (mPackages) {
15716                for (String cid : list) {
15717                    // Leave stages untouched for now; installer service owns them
15718                    if (PackageInstallerService.isStageName(cid)) continue;
15719
15720                    if (DEBUG_SD_INSTALL)
15721                        Log.i(TAG, "Processing container " + cid);
15722                    String pkgName = getAsecPackageName(cid);
15723                    if (pkgName == null) {
15724                        Slog.i(TAG, "Found stale container " + cid + " with no package name");
15725                        continue;
15726                    }
15727                    if (DEBUG_SD_INSTALL)
15728                        Log.i(TAG, "Looking for pkg : " + pkgName);
15729
15730                    final PackageSetting ps = mSettings.mPackages.get(pkgName);
15731                    if (ps == null) {
15732                        Slog.i(TAG, "Found stale container " + cid + " with no matching settings");
15733                        continue;
15734                    }
15735
15736                    /*
15737                     * Skip packages that are not external if we're unmounting
15738                     * external storage.
15739                     */
15740                    if (externalStorage && !isMounted && !isExternal(ps)) {
15741                        continue;
15742                    }
15743
15744                    final AsecInstallArgs args = new AsecInstallArgs(cid,
15745                            getAppDexInstructionSets(ps), ps.isForwardLocked());
15746                    // The package status is changed only if the code path
15747                    // matches between settings and the container id.
15748                    if (ps.codePathString != null
15749                            && ps.codePathString.startsWith(args.getCodePath())) {
15750                        if (DEBUG_SD_INSTALL) {
15751                            Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName
15752                                    + " at code path: " + ps.codePathString);
15753                        }
15754
15755                        // We do have a valid package installed on sdcard
15756                        processCids.put(args, ps.codePathString);
15757                        final int uid = ps.appId;
15758                        if (uid != -1) {
15759                            uidArr = ArrayUtils.appendInt(uidArr, uid);
15760                        }
15761                    } else {
15762                        Slog.i(TAG, "Found stale container " + cid + ": expected codePath="
15763                                + ps.codePathString);
15764                    }
15765                }
15766            }
15767
15768            Arrays.sort(uidArr);
15769        }
15770
15771        // Process packages with valid entries.
15772        if (isMounted) {
15773            if (DEBUG_SD_INSTALL)
15774                Log.i(TAG, "Loading packages");
15775            loadMediaPackages(processCids, uidArr, externalStorage);
15776            startCleaningPackages();
15777            mInstallerService.onSecureContainersAvailable();
15778        } else {
15779            if (DEBUG_SD_INSTALL)
15780                Log.i(TAG, "Unloading packages");
15781            unloadMediaPackages(processCids, uidArr, reportStatus);
15782        }
15783    }
15784
15785    private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
15786            ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) {
15787        final int size = infos.size();
15788        final String[] packageNames = new String[size];
15789        final int[] packageUids = new int[size];
15790        for (int i = 0; i < size; i++) {
15791            final ApplicationInfo info = infos.get(i);
15792            packageNames[i] = info.packageName;
15793            packageUids[i] = info.uid;
15794        }
15795        sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids,
15796                finishedReceiver);
15797    }
15798
15799    private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
15800            ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) {
15801        sendResourcesChangedBroadcast(mediaStatus, replacing,
15802                pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver);
15803    }
15804
15805    private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
15806            String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) {
15807        int size = pkgList.length;
15808        if (size > 0) {
15809            // Send broadcasts here
15810            Bundle extras = new Bundle();
15811            extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList);
15812            if (uidArr != null) {
15813                extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr);
15814            }
15815            if (replacing) {
15816                extras.putBoolean(Intent.EXTRA_REPLACING, replacing);
15817            }
15818            String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE
15819                    : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE;
15820            sendPackageBroadcast(action, null, extras, null, finishedReceiver, null);
15821        }
15822    }
15823
15824   /*
15825     * Look at potentially valid container ids from processCids If package
15826     * information doesn't match the one on record or package scanning fails,
15827     * the cid is added to list of removeCids. We currently don't delete stale
15828     * containers.
15829     */
15830    private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr,
15831            boolean externalStorage) {
15832        ArrayList<String> pkgList = new ArrayList<String>();
15833        Set<AsecInstallArgs> keys = processCids.keySet();
15834
15835        for (AsecInstallArgs args : keys) {
15836            String codePath = processCids.get(args);
15837            if (DEBUG_SD_INSTALL)
15838                Log.i(TAG, "Loading container : " + args.cid);
15839            int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
15840            try {
15841                // Make sure there are no container errors first.
15842                if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) {
15843                    Slog.e(TAG, "Failed to mount cid : " + args.cid
15844                            + " when installing from sdcard");
15845                    continue;
15846                }
15847                // Check code path here.
15848                if (codePath == null || !codePath.startsWith(args.getCodePath())) {
15849                    Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath()
15850                            + " does not match one in settings " + codePath);
15851                    continue;
15852                }
15853                // Parse package
15854                int parseFlags = mDefParseFlags;
15855                if (args.isExternalAsec()) {
15856                    parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE;
15857                }
15858                if (args.isFwdLocked()) {
15859                    parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
15860                }
15861
15862                synchronized (mInstallLock) {
15863                    PackageParser.Package pkg = null;
15864                    try {
15865                        pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null);
15866                    } catch (PackageManagerException e) {
15867                        Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage());
15868                    }
15869                    // Scan the package
15870                    if (pkg != null) {
15871                        /*
15872                         * TODO why is the lock being held? doPostInstall is
15873                         * called in other places without the lock. This needs
15874                         * to be straightened out.
15875                         */
15876                        // writer
15877                        synchronized (mPackages) {
15878                            retCode = PackageManager.INSTALL_SUCCEEDED;
15879                            pkgList.add(pkg.packageName);
15880                            // Post process args
15881                            args.doPostInstall(PackageManager.INSTALL_SUCCEEDED,
15882                                    pkg.applicationInfo.uid);
15883                        }
15884                    } else {
15885                        Slog.i(TAG, "Failed to install pkg from  " + codePath + " from sdcard");
15886                    }
15887                }
15888
15889            } finally {
15890                if (retCode != PackageManager.INSTALL_SUCCEEDED) {
15891                    Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode);
15892                }
15893            }
15894        }
15895        // writer
15896        synchronized (mPackages) {
15897            // If the platform SDK has changed since the last time we booted,
15898            // we need to re-grant app permission to catch any new ones that
15899            // appear. This is really a hack, and means that apps can in some
15900            // cases get permissions that the user didn't initially explicitly
15901            // allow... it would be nice to have some better way to handle
15902            // this situation.
15903            final VersionInfo ver = externalStorage ? mSettings.getExternalVersion()
15904                    : mSettings.getInternalVersion();
15905            final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL
15906                    : StorageManager.UUID_PRIVATE_INTERNAL;
15907
15908            int updateFlags = UPDATE_PERMISSIONS_ALL;
15909            if (ver.sdkVersion != mSdkVersion) {
15910                logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to "
15911                        + mSdkVersion + "; regranting permissions for external");
15912                updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL;
15913            }
15914            updatePermissionsLPw(null, null, volumeUuid, updateFlags);
15915
15916            // Yay, everything is now upgraded
15917            ver.forceCurrent();
15918
15919            // can downgrade to reader
15920            // Persist settings
15921            mSettings.writeLPr();
15922        }
15923        // Send a broadcast to let everyone know we are done processing
15924        if (pkgList.size() > 0) {
15925            sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null);
15926        }
15927    }
15928
15929   /*
15930     * Utility method to unload a list of specified containers
15931     */
15932    private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) {
15933        // Just unmount all valid containers.
15934        for (AsecInstallArgs arg : cidArgs) {
15935            synchronized (mInstallLock) {
15936                arg.doPostDeleteLI(false);
15937           }
15938       }
15939   }
15940
15941    /*
15942     * Unload packages mounted on external media. This involves deleting package
15943     * data from internal structures, sending broadcasts about diabled packages,
15944     * gc'ing to free up references, unmounting all secure containers
15945     * corresponding to packages on external media, and posting a
15946     * UPDATED_MEDIA_STATUS message if status has been requested. Please note
15947     * that we always have to post this message if status has been requested no
15948     * matter what.
15949     */
15950    private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[],
15951            final boolean reportStatus) {
15952        if (DEBUG_SD_INSTALL)
15953            Log.i(TAG, "unloading media packages");
15954        ArrayList<String> pkgList = new ArrayList<String>();
15955        ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>();
15956        final Set<AsecInstallArgs> keys = processCids.keySet();
15957        for (AsecInstallArgs args : keys) {
15958            String pkgName = args.getPackageName();
15959            if (DEBUG_SD_INSTALL)
15960                Log.i(TAG, "Trying to unload pkg : " + pkgName);
15961            // Delete package internally
15962            PackageRemovedInfo outInfo = new PackageRemovedInfo();
15963            synchronized (mInstallLock) {
15964                boolean res = deletePackageLI(pkgName, null, false, null, null,
15965                        PackageManager.DELETE_KEEP_DATA, outInfo, false);
15966                if (res) {
15967                    pkgList.add(pkgName);
15968                } else {
15969                    Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName);
15970                    failedList.add(args);
15971                }
15972            }
15973        }
15974
15975        // reader
15976        synchronized (mPackages) {
15977            // We didn't update the settings after removing each package;
15978            // write them now for all packages.
15979            mSettings.writeLPr();
15980        }
15981
15982        // We have to absolutely send UPDATED_MEDIA_STATUS only
15983        // after confirming that all the receivers processed the ordered
15984        // broadcast when packages get disabled, force a gc to clean things up.
15985        // and unload all the containers.
15986        if (pkgList.size() > 0) {
15987            sendResourcesChangedBroadcast(false, false, pkgList, uidArr,
15988                    new IIntentReceiver.Stub() {
15989                public void performReceive(Intent intent, int resultCode, String data,
15990                        Bundle extras, boolean ordered, boolean sticky,
15991                        int sendingUser) throws RemoteException {
15992                    Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
15993                            reportStatus ? 1 : 0, 1, keys);
15994                    mHandler.sendMessage(msg);
15995                }
15996            });
15997        } else {
15998            Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1,
15999                    keys);
16000            mHandler.sendMessage(msg);
16001        }
16002    }
16003
16004    private void loadPrivatePackages(final VolumeInfo vol) {
16005        mHandler.post(new Runnable() {
16006            @Override
16007            public void run() {
16008                loadPrivatePackagesInner(vol);
16009            }
16010        });
16011    }
16012
16013    private void loadPrivatePackagesInner(VolumeInfo vol) {
16014        final ArrayList<ApplicationInfo> loaded = new ArrayList<>();
16015        final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE;
16016
16017        final VersionInfo ver;
16018        final List<PackageSetting> packages;
16019        synchronized (mPackages) {
16020            ver = mSettings.findOrCreateVersion(vol.fsUuid);
16021            packages = mSettings.getVolumePackagesLPr(vol.fsUuid);
16022        }
16023
16024        for (PackageSetting ps : packages) {
16025            synchronized (mInstallLock) {
16026                final PackageParser.Package pkg;
16027                try {
16028                    pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null);
16029                    loaded.add(pkg.applicationInfo);
16030                } catch (PackageManagerException e) {
16031                    Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage());
16032                }
16033
16034                if (!Build.FINGERPRINT.equals(ver.fingerprint)) {
16035                    deleteCodeCacheDirsLI(ps.volumeUuid, ps.name);
16036                }
16037            }
16038        }
16039
16040        synchronized (mPackages) {
16041            int updateFlags = UPDATE_PERMISSIONS_ALL;
16042            if (ver.sdkVersion != mSdkVersion) {
16043                logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to "
16044                        + mSdkVersion + "; regranting permissions for " + vol.fsUuid);
16045                updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL;
16046            }
16047            updatePermissionsLPw(null, null, vol.fsUuid, updateFlags);
16048
16049            // Yay, everything is now upgraded
16050            ver.forceCurrent();
16051
16052            mSettings.writeLPr();
16053        }
16054
16055        if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded);
16056        sendResourcesChangedBroadcast(true, false, loaded, null);
16057    }
16058
16059    private void unloadPrivatePackages(final VolumeInfo vol) {
16060        mHandler.post(new Runnable() {
16061            @Override
16062            public void run() {
16063                unloadPrivatePackagesInner(vol);
16064            }
16065        });
16066    }
16067
16068    private void unloadPrivatePackagesInner(VolumeInfo vol) {
16069        final ArrayList<ApplicationInfo> unloaded = new ArrayList<>();
16070        synchronized (mInstallLock) {
16071        synchronized (mPackages) {
16072            final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid);
16073            for (PackageSetting ps : packages) {
16074                if (ps.pkg == null) continue;
16075
16076                final ApplicationInfo info = ps.pkg.applicationInfo;
16077                final PackageRemovedInfo outInfo = new PackageRemovedInfo();
16078                if (deletePackageLI(ps.name, null, false, null, null,
16079                        PackageManager.DELETE_KEEP_DATA, outInfo, false)) {
16080                    unloaded.add(info);
16081                } else {
16082                    Slog.w(TAG, "Failed to unload " + ps.codePath);
16083                }
16084            }
16085
16086            mSettings.writeLPr();
16087        }
16088        }
16089
16090        if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded);
16091        sendResourcesChangedBroadcast(false, false, unloaded, null);
16092    }
16093
16094    /**
16095     * Examine all users present on given mounted volume, and destroy data
16096     * belonging to users that are no longer valid, or whose user ID has been
16097     * recycled.
16098     */
16099    private void reconcileUsers(String volumeUuid) {
16100        final File[] files = FileUtils
16101                .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid));
16102        for (File file : files) {
16103            if (!file.isDirectory()) continue;
16104
16105            final int userId;
16106            final UserInfo info;
16107            try {
16108                userId = Integer.parseInt(file.getName());
16109                info = sUserManager.getUserInfo(userId);
16110            } catch (NumberFormatException e) {
16111                Slog.w(TAG, "Invalid user directory " + file);
16112                continue;
16113            }
16114
16115            boolean destroyUser = false;
16116            if (info == null) {
16117                logCriticalInfo(Log.WARN, "Destroying user directory " + file
16118                        + " because no matching user was found");
16119                destroyUser = true;
16120            } else {
16121                try {
16122                    UserManagerService.enforceSerialNumber(file, info.serialNumber);
16123                } catch (IOException e) {
16124                    logCriticalInfo(Log.WARN, "Destroying user directory " + file
16125                            + " because we failed to enforce serial number: " + e);
16126                    destroyUser = true;
16127                }
16128            }
16129
16130            if (destroyUser) {
16131                synchronized (mInstallLock) {
16132                    mInstaller.removeUserDataDirs(volumeUuid, userId);
16133                }
16134            }
16135        }
16136
16137        final UserManager um = mContext.getSystemService(UserManager.class);
16138        for (UserInfo user : um.getUsers()) {
16139            final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id);
16140            if (userDir.exists()) continue;
16141
16142            try {
16143                UserManagerService.prepareUserDirectory(mContext, volumeUuid, user.id);
16144                UserManagerService.enforceSerialNumber(userDir, user.serialNumber);
16145            } catch (IOException e) {
16146                Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e);
16147            }
16148        }
16149    }
16150
16151    /**
16152     * Examine all apps present on given mounted volume, and destroy apps that
16153     * aren't expected, either due to uninstallation or reinstallation on
16154     * another volume.
16155     */
16156    private void reconcileApps(String volumeUuid) {
16157        final File[] files = FileUtils
16158                .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid));
16159        for (File file : files) {
16160            final boolean isPackage = (isApkFile(file) || file.isDirectory())
16161                    && !PackageInstallerService.isStageName(file.getName());
16162            if (!isPackage) {
16163                // Ignore entries which are not packages
16164                continue;
16165            }
16166
16167            boolean destroyApp = false;
16168            String packageName = null;
16169            try {
16170                final PackageLite pkg = PackageParser.parsePackageLite(file,
16171                        PackageParser.PARSE_MUST_BE_APK);
16172                packageName = pkg.packageName;
16173
16174                synchronized (mPackages) {
16175                    final PackageSetting ps = mSettings.mPackages.get(packageName);
16176                    if (ps == null) {
16177                        logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + "
16178                                + volumeUuid + " because we found no install record");
16179                        destroyApp = true;
16180                    } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) {
16181                        logCriticalInfo(Log.WARN, "Destroying " + packageName + " on "
16182                                + volumeUuid + " because we expected it on " + ps.volumeUuid);
16183                        destroyApp = true;
16184                    }
16185                }
16186
16187            } catch (PackageParserException e) {
16188                logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e);
16189                destroyApp = true;
16190            }
16191
16192            if (destroyApp) {
16193                synchronized (mInstallLock) {
16194                    if (packageName != null) {
16195                        removeDataDirsLI(volumeUuid, packageName);
16196                    }
16197                    if (file.isDirectory()) {
16198                        mInstaller.rmPackageDir(file.getAbsolutePath());
16199                    } else {
16200                        file.delete();
16201                    }
16202                }
16203            }
16204        }
16205    }
16206
16207    private void unfreezePackage(String packageName) {
16208        synchronized (mPackages) {
16209            final PackageSetting ps = mSettings.mPackages.get(packageName);
16210            if (ps != null) {
16211                ps.frozen = false;
16212            }
16213        }
16214    }
16215
16216    @Override
16217    public int movePackage(final String packageName, final String volumeUuid) {
16218        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
16219
16220        final int moveId = mNextMoveId.getAndIncrement();
16221        mHandler.post(new Runnable() {
16222            @Override
16223            public void run() {
16224                try {
16225                    movePackageInternal(packageName, volumeUuid, moveId);
16226                } catch (PackageManagerException e) {
16227                    Slog.w(TAG, "Failed to move " + packageName, e);
16228                    mMoveCallbacks.notifyStatusChanged(moveId,
16229                            PackageManager.MOVE_FAILED_INTERNAL_ERROR);
16230                }
16231            }
16232        });
16233        return moveId;
16234    }
16235
16236    private void movePackageInternal(final String packageName, final String volumeUuid,
16237            final int moveId) throws PackageManagerException {
16238        final UserHandle user = new UserHandle(UserHandle.getCallingUserId());
16239        final StorageManager storage = mContext.getSystemService(StorageManager.class);
16240        final PackageManager pm = mContext.getPackageManager();
16241
16242        final boolean currentAsec;
16243        final String currentVolumeUuid;
16244        final File codeFile;
16245        final String installerPackageName;
16246        final String packageAbiOverride;
16247        final int appId;
16248        final String seinfo;
16249        final String label;
16250
16251        // reader
16252        synchronized (mPackages) {
16253            final PackageParser.Package pkg = mPackages.get(packageName);
16254            final PackageSetting ps = mSettings.mPackages.get(packageName);
16255            if (pkg == null || ps == null) {
16256                throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package");
16257            }
16258
16259            if (pkg.applicationInfo.isSystemApp()) {
16260                throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE,
16261                        "Cannot move system application");
16262            }
16263
16264            if (pkg.applicationInfo.isExternalAsec()) {
16265                currentAsec = true;
16266                currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL;
16267            } else if (pkg.applicationInfo.isForwardLocked()) {
16268                currentAsec = true;
16269                currentVolumeUuid = "forward_locked";
16270            } else {
16271                currentAsec = false;
16272                currentVolumeUuid = ps.volumeUuid;
16273
16274                final File probe = new File(pkg.codePath);
16275                final File probeOat = new File(probe, "oat");
16276                if (!probe.isDirectory() || !probeOat.isDirectory()) {
16277                    throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
16278                            "Move only supported for modern cluster style installs");
16279                }
16280            }
16281
16282            if (Objects.equals(currentVolumeUuid, volumeUuid)) {
16283                throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
16284                        "Package already moved to " + volumeUuid);
16285            }
16286
16287            if (ps.frozen) {
16288                throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING,
16289                        "Failed to move already frozen package");
16290            }
16291            ps.frozen = true;
16292
16293            codeFile = new File(pkg.codePath);
16294            installerPackageName = ps.installerPackageName;
16295            packageAbiOverride = ps.cpuAbiOverrideString;
16296            appId = UserHandle.getAppId(pkg.applicationInfo.uid);
16297            seinfo = pkg.applicationInfo.seinfo;
16298            label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo));
16299        }
16300
16301        // Now that we're guarded by frozen state, kill app during move
16302        final long token = Binder.clearCallingIdentity();
16303        try {
16304            killApplication(packageName, appId, "move pkg");
16305        } finally {
16306            Binder.restoreCallingIdentity(token);
16307        }
16308
16309        final Bundle extras = new Bundle();
16310        extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName);
16311        extras.putString(Intent.EXTRA_TITLE, label);
16312        mMoveCallbacks.notifyCreated(moveId, extras);
16313
16314        int installFlags;
16315        final boolean moveCompleteApp;
16316        final File measurePath;
16317
16318        if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) {
16319            installFlags = INSTALL_INTERNAL;
16320            moveCompleteApp = !currentAsec;
16321            measurePath = Environment.getDataAppDirectory(volumeUuid);
16322        } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) {
16323            installFlags = INSTALL_EXTERNAL;
16324            moveCompleteApp = false;
16325            measurePath = storage.getPrimaryPhysicalVolume().getPath();
16326        } else {
16327            final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid);
16328            if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE
16329                    || !volume.isMountedWritable()) {
16330                unfreezePackage(packageName);
16331                throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
16332                        "Move location not mounted private volume");
16333            }
16334
16335            Preconditions.checkState(!currentAsec);
16336
16337            installFlags = INSTALL_INTERNAL;
16338            moveCompleteApp = true;
16339            measurePath = Environment.getDataAppDirectory(volumeUuid);
16340        }
16341
16342        final PackageStats stats = new PackageStats(null, -1);
16343        synchronized (mInstaller) {
16344            if (!getPackageSizeInfoLI(packageName, -1, stats)) {
16345                unfreezePackage(packageName);
16346                throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
16347                        "Failed to measure package size");
16348            }
16349        }
16350
16351        if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size "
16352                + stats.dataSize);
16353
16354        final long startFreeBytes = measurePath.getFreeSpace();
16355        final long sizeBytes;
16356        if (moveCompleteApp) {
16357            sizeBytes = stats.codeSize + stats.dataSize;
16358        } else {
16359            sizeBytes = stats.codeSize;
16360        }
16361
16362        if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) {
16363            unfreezePackage(packageName);
16364            throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
16365                    "Not enough free space to move");
16366        }
16367
16368        mMoveCallbacks.notifyStatusChanged(moveId, 10);
16369
16370        final CountDownLatch installedLatch = new CountDownLatch(1);
16371        final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() {
16372            @Override
16373            public void onUserActionRequired(Intent intent) throws RemoteException {
16374                throw new IllegalStateException();
16375            }
16376
16377            @Override
16378            public void onPackageInstalled(String basePackageName, int returnCode, String msg,
16379                    Bundle extras) throws RemoteException {
16380                if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: "
16381                        + PackageManager.installStatusToString(returnCode, msg));
16382
16383                installedLatch.countDown();
16384
16385                // Regardless of success or failure of the move operation,
16386                // always unfreeze the package
16387                unfreezePackage(packageName);
16388
16389                final int status = PackageManager.installStatusToPublicStatus(returnCode);
16390                switch (status) {
16391                    case PackageInstaller.STATUS_SUCCESS:
16392                        mMoveCallbacks.notifyStatusChanged(moveId,
16393                                PackageManager.MOVE_SUCCEEDED);
16394                        break;
16395                    case PackageInstaller.STATUS_FAILURE_STORAGE:
16396                        mMoveCallbacks.notifyStatusChanged(moveId,
16397                                PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE);
16398                        break;
16399                    default:
16400                        mMoveCallbacks.notifyStatusChanged(moveId,
16401                                PackageManager.MOVE_FAILED_INTERNAL_ERROR);
16402                        break;
16403                }
16404            }
16405        };
16406
16407        final MoveInfo move;
16408        if (moveCompleteApp) {
16409            // Kick off a thread to report progress estimates
16410            new Thread() {
16411                @Override
16412                public void run() {
16413                    while (true) {
16414                        try {
16415                            if (installedLatch.await(1, TimeUnit.SECONDS)) {
16416                                break;
16417                            }
16418                        } catch (InterruptedException ignored) {
16419                        }
16420
16421                        final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace();
16422                        final int progress = 10 + (int) MathUtils.constrain(
16423                                ((deltaFreeBytes * 80) / sizeBytes), 0, 80);
16424                        mMoveCallbacks.notifyStatusChanged(moveId, progress);
16425                    }
16426                }
16427            }.start();
16428
16429            final String dataAppName = codeFile.getName();
16430            move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName,
16431                    dataAppName, appId, seinfo);
16432        } else {
16433            move = null;
16434        }
16435
16436        installFlags |= PackageManager.INSTALL_REPLACE_EXISTING;
16437
16438        final Message msg = mHandler.obtainMessage(INIT_COPY);
16439        final OriginInfo origin = OriginInfo.fromExistingFile(codeFile);
16440        final InstallParams params = new InstallParams(origin, move, installObserver, installFlags,
16441                installerPackageName, volumeUuid, null, user, packageAbiOverride, null);
16442        params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params));
16443        msg.obj = params;
16444
16445        Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage",
16446                System.identityHashCode(msg.obj));
16447        Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall",
16448                System.identityHashCode(msg.obj));
16449
16450        mHandler.sendMessage(msg);
16451    }
16452
16453    @Override
16454    public int movePrimaryStorage(String volumeUuid) throws RemoteException {
16455        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
16456
16457        final int realMoveId = mNextMoveId.getAndIncrement();
16458        final Bundle extras = new Bundle();
16459        extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid);
16460        mMoveCallbacks.notifyCreated(realMoveId, extras);
16461
16462        final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() {
16463            @Override
16464            public void onCreated(int moveId, Bundle extras) {
16465                // Ignored
16466            }
16467
16468            @Override
16469            public void onStatusChanged(int moveId, int status, long estMillis) {
16470                mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis);
16471            }
16472        };
16473
16474        final StorageManager storage = mContext.getSystemService(StorageManager.class);
16475        storage.setPrimaryStorageUuid(volumeUuid, callback);
16476        return realMoveId;
16477    }
16478
16479    @Override
16480    public int getMoveStatus(int moveId) {
16481        mContext.enforceCallingOrSelfPermission(
16482                android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null);
16483        return mMoveCallbacks.mLastStatus.get(moveId);
16484    }
16485
16486    @Override
16487    public void registerMoveCallback(IPackageMoveObserver callback) {
16488        mContext.enforceCallingOrSelfPermission(
16489                android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null);
16490        mMoveCallbacks.register(callback);
16491    }
16492
16493    @Override
16494    public void unregisterMoveCallback(IPackageMoveObserver callback) {
16495        mContext.enforceCallingOrSelfPermission(
16496                android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null);
16497        mMoveCallbacks.unregister(callback);
16498    }
16499
16500    @Override
16501    public boolean setInstallLocation(int loc) {
16502        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS,
16503                null);
16504        if (getInstallLocation() == loc) {
16505            return true;
16506        }
16507        if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL
16508                || loc == PackageHelper.APP_INSTALL_EXTERNAL) {
16509            android.provider.Settings.Global.putInt(mContext.getContentResolver(),
16510                    android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc);
16511            return true;
16512        }
16513        return false;
16514   }
16515
16516    @Override
16517    public int getInstallLocation() {
16518        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
16519                android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION,
16520                PackageHelper.APP_INSTALL_AUTO);
16521    }
16522
16523    /** Called by UserManagerService */
16524    void cleanUpUserLILPw(UserManagerService userManager, int userHandle) {
16525        mDirtyUsers.remove(userHandle);
16526        mSettings.removeUserLPw(userHandle);
16527        mPendingBroadcasts.remove(userHandle);
16528        if (mInstaller != null) {
16529            // Technically, we shouldn't be doing this with the package lock
16530            // held.  However, this is very rare, and there is already so much
16531            // other disk I/O going on, that we'll let it slide for now.
16532            final StorageManager storage = mContext.getSystemService(StorageManager.class);
16533            for (VolumeInfo vol : storage.getWritablePrivateVolumes()) {
16534                final String volumeUuid = vol.getFsUuid();
16535                if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid);
16536                mInstaller.removeUserDataDirs(volumeUuid, userHandle);
16537            }
16538        }
16539        mUserNeedsBadging.delete(userHandle);
16540        removeUnusedPackagesLILPw(userManager, userHandle);
16541    }
16542
16543    /**
16544     * We're removing userHandle and would like to remove any downloaded packages
16545     * that are no longer in use by any other user.
16546     * @param userHandle the user being removed
16547     */
16548    private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) {
16549        final boolean DEBUG_CLEAN_APKS = false;
16550        int [] users = userManager.getUserIds();
16551        Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
16552        while (psit.hasNext()) {
16553            PackageSetting ps = psit.next();
16554            if (ps.pkg == null) {
16555                continue;
16556            }
16557            final String packageName = ps.pkg.packageName;
16558            // Skip over if system app
16559            if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) {
16560                continue;
16561            }
16562            if (DEBUG_CLEAN_APKS) {
16563                Slog.i(TAG, "Checking package " + packageName);
16564            }
16565            boolean keep = false;
16566            for (int i = 0; i < users.length; i++) {
16567                if (users[i] != userHandle && ps.getInstalled(users[i])) {
16568                    keep = true;
16569                    if (DEBUG_CLEAN_APKS) {
16570                        Slog.i(TAG, "  Keeping package " + packageName + " for user "
16571                                + users[i]);
16572                    }
16573                    break;
16574                }
16575            }
16576            if (!keep) {
16577                if (DEBUG_CLEAN_APKS) {
16578                    Slog.i(TAG, "  Removing package " + packageName);
16579                }
16580                mHandler.post(new Runnable() {
16581                    public void run() {
16582                        deletePackageX(packageName, userHandle, 0);
16583                    } //end run
16584                });
16585            }
16586        }
16587    }
16588
16589    /** Called by UserManagerService */
16590    void createNewUserLILPw(int userHandle) {
16591        if (mInstaller != null) {
16592            mInstaller.createUserConfig(userHandle);
16593            mSettings.createNewUserLILPw(this, mInstaller, userHandle);
16594            applyFactoryDefaultBrowserLPw(userHandle);
16595            primeDomainVerificationsLPw(userHandle);
16596        }
16597    }
16598
16599    void newUserCreated(final int userHandle) {
16600        mDefaultPermissionPolicy.grantDefaultPermissions(userHandle);
16601    }
16602
16603    @Override
16604    public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException {
16605        mContext.enforceCallingOrSelfPermission(
16606                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
16607                "Only package verification agents can read the verifier device identity");
16608
16609        synchronized (mPackages) {
16610            return mSettings.getVerifierDeviceIdentityLPw();
16611        }
16612    }
16613
16614    @Override
16615    public void setPermissionEnforced(String permission, boolean enforced) {
16616        // TODO: Now that we no longer change GID for storage, this should to away.
16617        mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS,
16618                "setPermissionEnforced");
16619        if (READ_EXTERNAL_STORAGE.equals(permission)) {
16620            synchronized (mPackages) {
16621                if (mSettings.mReadExternalStorageEnforced == null
16622                        || mSettings.mReadExternalStorageEnforced != enforced) {
16623                    mSettings.mReadExternalStorageEnforced = enforced;
16624                    mSettings.writeLPr();
16625                }
16626            }
16627            // kill any non-foreground processes so we restart them and
16628            // grant/revoke the GID.
16629            final IActivityManager am = ActivityManagerNative.getDefault();
16630            if (am != null) {
16631                final long token = Binder.clearCallingIdentity();
16632                try {
16633                    am.killProcessesBelowForeground("setPermissionEnforcement");
16634                } catch (RemoteException e) {
16635                } finally {
16636                    Binder.restoreCallingIdentity(token);
16637                }
16638            }
16639        } else {
16640            throw new IllegalArgumentException("No selective enforcement for " + permission);
16641        }
16642    }
16643
16644    @Override
16645    @Deprecated
16646    public boolean isPermissionEnforced(String permission) {
16647        return true;
16648    }
16649
16650    @Override
16651    public boolean isStorageLow() {
16652        final long token = Binder.clearCallingIdentity();
16653        try {
16654            final DeviceStorageMonitorInternal
16655                    dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
16656            if (dsm != null) {
16657                return dsm.isMemoryLow();
16658            } else {
16659                return false;
16660            }
16661        } finally {
16662            Binder.restoreCallingIdentity(token);
16663        }
16664    }
16665
16666    @Override
16667    public IPackageInstaller getPackageInstaller() {
16668        return mInstallerService;
16669    }
16670
16671    private boolean userNeedsBadging(int userId) {
16672        int index = mUserNeedsBadging.indexOfKey(userId);
16673        if (index < 0) {
16674            final UserInfo userInfo;
16675            final long token = Binder.clearCallingIdentity();
16676            try {
16677                userInfo = sUserManager.getUserInfo(userId);
16678            } finally {
16679                Binder.restoreCallingIdentity(token);
16680            }
16681            final boolean b;
16682            if (userInfo != null && userInfo.isManagedProfile()) {
16683                b = true;
16684            } else {
16685                b = false;
16686            }
16687            mUserNeedsBadging.put(userId, b);
16688            return b;
16689        }
16690        return mUserNeedsBadging.valueAt(index);
16691    }
16692
16693    @Override
16694    public KeySet getKeySetByAlias(String packageName, String alias) {
16695        if (packageName == null || alias == null) {
16696            return null;
16697        }
16698        synchronized(mPackages) {
16699            final PackageParser.Package pkg = mPackages.get(packageName);
16700            if (pkg == null) {
16701                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
16702                throw new IllegalArgumentException("Unknown package: " + packageName);
16703            }
16704            KeySetManagerService ksms = mSettings.mKeySetManagerService;
16705            return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias));
16706        }
16707    }
16708
16709    @Override
16710    public KeySet getSigningKeySet(String packageName) {
16711        if (packageName == null) {
16712            return null;
16713        }
16714        synchronized(mPackages) {
16715            final PackageParser.Package pkg = mPackages.get(packageName);
16716            if (pkg == null) {
16717                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
16718                throw new IllegalArgumentException("Unknown package: " + packageName);
16719            }
16720            if (pkg.applicationInfo.uid != Binder.getCallingUid()
16721                    && Process.SYSTEM_UID != Binder.getCallingUid()) {
16722                throw new SecurityException("May not access signing KeySet of other apps.");
16723            }
16724            KeySetManagerService ksms = mSettings.mKeySetManagerService;
16725            return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName));
16726        }
16727    }
16728
16729    @Override
16730    public boolean isPackageSignedByKeySet(String packageName, KeySet ks) {
16731        if (packageName == null || ks == null) {
16732            return false;
16733        }
16734        synchronized(mPackages) {
16735            final PackageParser.Package pkg = mPackages.get(packageName);
16736            if (pkg == null) {
16737                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
16738                throw new IllegalArgumentException("Unknown package: " + packageName);
16739            }
16740            IBinder ksh = ks.getToken();
16741            if (ksh instanceof KeySetHandle) {
16742                KeySetManagerService ksms = mSettings.mKeySetManagerService;
16743                return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh);
16744            }
16745            return false;
16746        }
16747    }
16748
16749    @Override
16750    public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) {
16751        if (packageName == null || ks == null) {
16752            return false;
16753        }
16754        synchronized(mPackages) {
16755            final PackageParser.Package pkg = mPackages.get(packageName);
16756            if (pkg == null) {
16757                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
16758                throw new IllegalArgumentException("Unknown package: " + packageName);
16759            }
16760            IBinder ksh = ks.getToken();
16761            if (ksh instanceof KeySetHandle) {
16762                KeySetManagerService ksms = mSettings.mKeySetManagerService;
16763                return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh);
16764            }
16765            return false;
16766        }
16767    }
16768
16769    public void getUsageStatsIfNoPackageUsageInfo() {
16770        if (!mPackageUsage.isHistoricalPackageUsageAvailable()) {
16771            UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE);
16772            if (usm == null) {
16773                throw new IllegalStateException("UsageStatsManager must be initialized");
16774            }
16775            long now = System.currentTimeMillis();
16776            Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now);
16777            for (Map.Entry<String, UsageStats> entry : stats.entrySet()) {
16778                String packageName = entry.getKey();
16779                PackageParser.Package pkg = mPackages.get(packageName);
16780                if (pkg == null) {
16781                    continue;
16782                }
16783                UsageStats usage = entry.getValue();
16784                pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed();
16785                mPackageUsage.mIsHistoricalPackageUsageAvailable = true;
16786            }
16787        }
16788    }
16789
16790    /**
16791     * Check and throw if the given before/after packages would be considered a
16792     * downgrade.
16793     */
16794    private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after)
16795            throws PackageManagerException {
16796        if (after.versionCode < before.mVersionCode) {
16797            throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE,
16798                    "Update version code " + after.versionCode + " is older than current "
16799                    + before.mVersionCode);
16800        } else if (after.versionCode == before.mVersionCode) {
16801            if (after.baseRevisionCode < before.baseRevisionCode) {
16802                throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE,
16803                        "Update base revision code " + after.baseRevisionCode
16804                        + " is older than current " + before.baseRevisionCode);
16805            }
16806
16807            if (!ArrayUtils.isEmpty(after.splitNames)) {
16808                for (int i = 0; i < after.splitNames.length; i++) {
16809                    final String splitName = after.splitNames[i];
16810                    final int j = ArrayUtils.indexOf(before.splitNames, splitName);
16811                    if (j != -1) {
16812                        if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) {
16813                            throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE,
16814                                    "Update split " + splitName + " revision code "
16815                                    + after.splitRevisionCodes[i] + " is older than current "
16816                                    + before.splitRevisionCodes[j]);
16817                        }
16818                    }
16819                }
16820            }
16821        }
16822    }
16823
16824    private static class MoveCallbacks extends Handler {
16825        private static final int MSG_CREATED = 1;
16826        private static final int MSG_STATUS_CHANGED = 2;
16827
16828        private final RemoteCallbackList<IPackageMoveObserver>
16829                mCallbacks = new RemoteCallbackList<>();
16830
16831        private final SparseIntArray mLastStatus = new SparseIntArray();
16832
16833        public MoveCallbacks(Looper looper) {
16834            super(looper);
16835        }
16836
16837        public void register(IPackageMoveObserver callback) {
16838            mCallbacks.register(callback);
16839        }
16840
16841        public void unregister(IPackageMoveObserver callback) {
16842            mCallbacks.unregister(callback);
16843        }
16844
16845        @Override
16846        public void handleMessage(Message msg) {
16847            final SomeArgs args = (SomeArgs) msg.obj;
16848            final int n = mCallbacks.beginBroadcast();
16849            for (int i = 0; i < n; i++) {
16850                final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i);
16851                try {
16852                    invokeCallback(callback, msg.what, args);
16853                } catch (RemoteException ignored) {
16854                }
16855            }
16856            mCallbacks.finishBroadcast();
16857            args.recycle();
16858        }
16859
16860        private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args)
16861                throws RemoteException {
16862            switch (what) {
16863                case MSG_CREATED: {
16864                    callback.onCreated(args.argi1, (Bundle) args.arg2);
16865                    break;
16866                }
16867                case MSG_STATUS_CHANGED: {
16868                    callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3);
16869                    break;
16870                }
16871            }
16872        }
16873
16874        private void notifyCreated(int moveId, Bundle extras) {
16875            Slog.v(TAG, "Move " + moveId + " created " + extras.toString());
16876
16877            final SomeArgs args = SomeArgs.obtain();
16878            args.argi1 = moveId;
16879            args.arg2 = extras;
16880            obtainMessage(MSG_CREATED, args).sendToTarget();
16881        }
16882
16883        private void notifyStatusChanged(int moveId, int status) {
16884            notifyStatusChanged(moveId, status, -1);
16885        }
16886
16887        private void notifyStatusChanged(int moveId, int status, long estMillis) {
16888            Slog.v(TAG, "Move " + moveId + " status " + status);
16889
16890            final SomeArgs args = SomeArgs.obtain();
16891            args.argi1 = moveId;
16892            args.argi2 = status;
16893            args.arg3 = estMillis;
16894            obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget();
16895
16896            synchronized (mLastStatus) {
16897                mLastStatus.put(moveId, status);
16898            }
16899        }
16900    }
16901
16902    private final class OnPermissionChangeListeners extends Handler {
16903        private static final int MSG_ON_PERMISSIONS_CHANGED = 1;
16904
16905        private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners =
16906                new RemoteCallbackList<>();
16907
16908        public OnPermissionChangeListeners(Looper looper) {
16909            super(looper);
16910        }
16911
16912        @Override
16913        public void handleMessage(Message msg) {
16914            switch (msg.what) {
16915                case MSG_ON_PERMISSIONS_CHANGED: {
16916                    final int uid = msg.arg1;
16917                    handleOnPermissionsChanged(uid);
16918                } break;
16919            }
16920        }
16921
16922        public void addListenerLocked(IOnPermissionsChangeListener listener) {
16923            mPermissionListeners.register(listener);
16924
16925        }
16926
16927        public void removeListenerLocked(IOnPermissionsChangeListener listener) {
16928            mPermissionListeners.unregister(listener);
16929        }
16930
16931        public void onPermissionsChanged(int uid) {
16932            if (mPermissionListeners.getRegisteredCallbackCount() > 0) {
16933                obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget();
16934            }
16935        }
16936
16937        private void handleOnPermissionsChanged(int uid) {
16938            final int count = mPermissionListeners.beginBroadcast();
16939            try {
16940                for (int i = 0; i < count; i++) {
16941                    IOnPermissionsChangeListener callback = mPermissionListeners
16942                            .getBroadcastItem(i);
16943                    try {
16944                        callback.onPermissionsChanged(uid);
16945                    } catch (RemoteException e) {
16946                        Log.e(TAG, "Permission listener is dead", e);
16947                    }
16948                }
16949            } finally {
16950                mPermissionListeners.finishBroadcast();
16951            }
16952        }
16953    }
16954
16955    private class PackageManagerInternalImpl extends PackageManagerInternal {
16956        @Override
16957        public void setLocationPackagesProvider(PackagesProvider provider) {
16958            synchronized (mPackages) {
16959                mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider);
16960            }
16961        }
16962
16963        @Override
16964        public void setImePackagesProvider(PackagesProvider provider) {
16965            synchronized (mPackages) {
16966                mDefaultPermissionPolicy.setImePackagesProviderLPr(provider);
16967            }
16968        }
16969
16970        @Override
16971        public void setVoiceInteractionPackagesProvider(PackagesProvider provider) {
16972            synchronized (mPackages) {
16973                mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider);
16974            }
16975        }
16976
16977        @Override
16978        public void setSmsAppPackagesProvider(PackagesProvider provider) {
16979            synchronized (mPackages) {
16980                mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider);
16981            }
16982        }
16983
16984        @Override
16985        public void setDialerAppPackagesProvider(PackagesProvider provider) {
16986            synchronized (mPackages) {
16987                mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider);
16988            }
16989        }
16990
16991        @Override
16992        public void setSimCallManagerPackagesProvider(PackagesProvider provider) {
16993            synchronized (mPackages) {
16994                mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider);
16995            }
16996        }
16997
16998        @Override
16999        public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) {
17000            synchronized (mPackages) {
17001                mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider);
17002            }
17003        }
17004
17005        @Override
17006        public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) {
17007            synchronized (mPackages) {
17008                mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr(
17009                        packageName, userId);
17010            }
17011        }
17012
17013        @Override
17014        public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) {
17015            synchronized (mPackages) {
17016                mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr(
17017                        packageName, userId);
17018            }
17019        }
17020        @Override
17021        public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) {
17022            synchronized (mPackages) {
17023                mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr(
17024                        packageName, userId);
17025            }
17026        }
17027    }
17028
17029    @Override
17030    public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) {
17031        enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps");
17032        synchronized (mPackages) {
17033            final long identity = Binder.clearCallingIdentity();
17034            try {
17035                mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr(
17036                        packageNames, userId);
17037            } finally {
17038                Binder.restoreCallingIdentity(identity);
17039            }
17040        }
17041    }
17042
17043    private static void enforceSystemOrPhoneCaller(String tag) {
17044        int callingUid = Binder.getCallingUid();
17045        if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) {
17046            throw new SecurityException(
17047                    "Cannot call " + tag + " from UID " + callingUid);
17048        }
17049    }
17050}
17051