PackageManagerService.java revision e31b820dad4c5f2b19ee10479a675a139ad3c61e 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server.pm;
18
19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS;
20import static android.Manifest.permission.READ_EXTERNAL_STORAGE;
21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT;
22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED;
24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER;
25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED;
26import static android.content.pm.PackageManager.INSTALL_EXTERNAL;
27import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
28import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER;
29import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT;
30import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE;
31import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION;
32import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
33import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
34import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK;
35import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
36import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY;
37import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED;
38import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE;
39import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE;
40import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY;
41import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED;
42import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE;
43import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED;
44import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE;
45import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK;
46import static android.content.pm.PackageManager.INSTALL_INTERNAL;
47import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES;
48import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS;
49import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK;
50import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER;
51import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED;
52import static android.content.pm.PackageManager.MATCH_ALL;
53import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST;
54import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR;
55import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING;
56import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE;
57import static android.content.pm.PackageParser.isApkFile;
58import static android.os.Process.PACKAGE_INFO_GID;
59import static android.os.Process.SYSTEM_UID;
60import static android.system.OsConstants.O_CREAT;
61import static android.system.OsConstants.O_RDWR;
62import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE;
63import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER;
64import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME;
65import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME;
66import static com.android.internal.util.ArrayUtils.appendInt;
67import static com.android.server.pm.InstructionSets.getAppDexInstructionSets;
68import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet;
69import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets;
70import static com.android.server.pm.InstructionSets.getPreferredInstructionSet;
71import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet;
72
73import android.Manifest;
74import android.app.ActivityManager;
75import android.app.ActivityManagerNative;
76import android.app.AppGlobals;
77import android.app.IActivityManager;
78import android.app.admin.IDevicePolicyManager;
79import android.app.backup.IBackupManager;
80import android.app.usage.UsageStats;
81import android.app.usage.UsageStatsManager;
82import android.content.BroadcastReceiver;
83import android.content.ComponentName;
84import android.content.Context;
85import android.content.IIntentReceiver;
86import android.content.Intent;
87import android.content.IntentFilter;
88import android.content.IntentSender;
89import android.content.IntentSender.SendIntentException;
90import android.content.ServiceConnection;
91import android.content.pm.ActivityInfo;
92import android.content.pm.ApplicationInfo;
93import android.content.pm.FeatureInfo;
94import android.content.pm.IPackageDataObserver;
95import android.content.pm.IPackageDeleteObserver;
96import android.content.pm.IPackageDeleteObserver2;
97import android.content.pm.IPackageInstallObserver2;
98import android.content.pm.IPackageInstaller;
99import android.content.pm.IPackageManager;
100import android.content.pm.IPackageMoveObserver;
101import android.content.pm.IPackageStatsObserver;
102import android.content.pm.InstrumentationInfo;
103import android.content.pm.IntentFilterVerificationInfo;
104import android.content.pm.KeySet;
105import android.content.pm.ManifestDigest;
106import android.content.pm.PackageCleanItem;
107import android.content.pm.PackageInfo;
108import android.content.pm.PackageInfoLite;
109import android.content.pm.PackageInstaller;
110import android.content.pm.PackageManager;
111import android.content.pm.PackageManager.LegacyPackageDeleteObserver;
112import android.content.pm.PackageParser;
113import android.content.pm.PackageParser.ActivityIntentInfo;
114import android.content.pm.PackageParser.PackageLite;
115import android.content.pm.PackageParser.PackageParserException;
116import android.content.pm.PackageStats;
117import android.content.pm.PackageUserState;
118import android.content.pm.ParceledListSlice;
119import android.content.pm.PermissionGroupInfo;
120import android.content.pm.PermissionInfo;
121import android.content.pm.ProviderInfo;
122import android.content.pm.ResolveInfo;
123import android.content.pm.ServiceInfo;
124import android.content.pm.Signature;
125import android.content.pm.UserInfo;
126import android.content.pm.VerificationParams;
127import android.content.pm.VerifierDeviceIdentity;
128import android.content.pm.VerifierInfo;
129import android.content.res.Resources;
130import android.hardware.display.DisplayManager;
131import android.net.Uri;
132import android.os.Binder;
133import android.os.Build;
134import android.os.Bundle;
135import android.os.Debug;
136import android.os.Environment;
137import android.os.Environment.UserEnvironment;
138import android.os.FileUtils;
139import android.os.Handler;
140import android.os.IBinder;
141import android.os.Looper;
142import android.os.Message;
143import android.os.Parcel;
144import android.os.ParcelFileDescriptor;
145import android.os.Process;
146import android.os.RemoteCallbackList;
147import android.os.RemoteException;
148import android.os.SELinux;
149import android.os.ServiceManager;
150import android.os.SystemClock;
151import android.os.SystemProperties;
152import android.os.UserHandle;
153import android.os.UserManager;
154import android.os.storage.IMountService;
155import android.os.storage.StorageEventListener;
156import android.os.storage.StorageManager;
157import android.os.storage.VolumeInfo;
158import android.os.storage.VolumeRecord;
159import android.security.KeyStore;
160import android.security.SystemKeyStore;
161import android.system.ErrnoException;
162import android.system.Os;
163import android.system.StructStat;
164import android.text.TextUtils;
165import android.text.format.DateUtils;
166import android.util.ArrayMap;
167import android.util.ArraySet;
168import android.util.AtomicFile;
169import android.util.DisplayMetrics;
170import android.util.EventLog;
171import android.util.ExceptionUtils;
172import android.util.Log;
173import android.util.LogPrinter;
174import android.util.PrintStreamPrinter;
175import android.util.Slog;
176import android.util.SparseArray;
177import android.util.SparseBooleanArray;
178import android.util.SparseIntArray;
179import android.util.Xml;
180import android.view.Display;
181
182import dalvik.system.DexFile;
183import dalvik.system.VMRuntime;
184
185import libcore.io.IoUtils;
186import libcore.util.EmptyArray;
187
188import com.android.internal.R;
189import com.android.internal.app.IMediaContainerService;
190import com.android.internal.app.ResolverActivity;
191import com.android.internal.content.NativeLibraryHelper;
192import com.android.internal.content.PackageHelper;
193import com.android.internal.os.IParcelFileDescriptorFactory;
194import com.android.internal.os.SomeArgs;
195import com.android.internal.util.ArrayUtils;
196import com.android.internal.util.FastPrintWriter;
197import com.android.internal.util.FastXmlSerializer;
198import com.android.internal.util.IndentingPrintWriter;
199import com.android.internal.util.Preconditions;
200import com.android.server.EventLogTags;
201import com.android.server.FgThread;
202import com.android.server.IntentResolver;
203import com.android.server.LocalServices;
204import com.android.server.ServiceThread;
205import com.android.server.SystemConfig;
206import com.android.server.Watchdog;
207import com.android.server.pm.Settings.DatabaseVersion;
208import com.android.server.storage.DeviceStorageMonitorInternal;
209
210import org.xmlpull.v1.XmlPullParser;
211import org.xmlpull.v1.XmlSerializer;
212
213import java.io.BufferedInputStream;
214import java.io.BufferedOutputStream;
215import java.io.BufferedReader;
216import java.io.ByteArrayInputStream;
217import java.io.ByteArrayOutputStream;
218import java.io.File;
219import java.io.FileDescriptor;
220import java.io.FileNotFoundException;
221import java.io.FileOutputStream;
222import java.io.FileReader;
223import java.io.FilenameFilter;
224import java.io.IOException;
225import java.io.InputStream;
226import java.io.PrintWriter;
227import java.nio.charset.StandardCharsets;
228import java.security.NoSuchAlgorithmException;
229import java.security.PublicKey;
230import java.security.cert.CertificateEncodingException;
231import java.security.cert.CertificateException;
232import java.text.SimpleDateFormat;
233import java.util.ArrayList;
234import java.util.Arrays;
235import java.util.Collection;
236import java.util.Collections;
237import java.util.Comparator;
238import java.util.Date;
239import java.util.Iterator;
240import java.util.List;
241import java.util.Map;
242import java.util.Objects;
243import java.util.Set;
244import java.util.concurrent.atomic.AtomicBoolean;
245import java.util.concurrent.atomic.AtomicInteger;
246import java.util.concurrent.atomic.AtomicLong;
247
248/**
249 * Keep track of all those .apks everywhere.
250 *
251 * This is very central to the platform's security; please run the unit
252 * tests whenever making modifications here:
253 *
254mmm frameworks/base/tests/AndroidTests
255adb install -r -f out/target/product/passion/data/app/AndroidTests.apk
256adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner
257 *
258 * {@hide}
259 */
260public class PackageManagerService extends IPackageManager.Stub {
261    static final String TAG = "PackageManager";
262    static final boolean DEBUG_SETTINGS = false;
263    static final boolean DEBUG_PREFERRED = false;
264    static final boolean DEBUG_UPGRADE = false;
265    private static final boolean DEBUG_BACKUP = true;
266    private static final boolean DEBUG_INSTALL = false;
267    private static final boolean DEBUG_REMOVE = false;
268    private static final boolean DEBUG_BROADCASTS = false;
269    private static final boolean DEBUG_SHOW_INFO = false;
270    private static final boolean DEBUG_PACKAGE_INFO = false;
271    private static final boolean DEBUG_INTENT_MATCHING = false;
272    private static final boolean DEBUG_PACKAGE_SCANNING = false;
273    private static final boolean DEBUG_VERIFY = false;
274    private static final boolean DEBUG_DEXOPT = false;
275    private static final boolean DEBUG_ABI_SELECTION = false;
276
277    static final boolean RUNTIME_PERMISSIONS_ENABLED = true;
278
279    private static final int RADIO_UID = Process.PHONE_UID;
280    private static final int LOG_UID = Process.LOG_UID;
281    private static final int NFC_UID = Process.NFC_UID;
282    private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID;
283    private static final int SHELL_UID = Process.SHELL_UID;
284
285    // Cap the size of permission trees that 3rd party apps can define
286    private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768;     // characters of text
287
288    // Suffix used during package installation when copying/moving
289    // package apks to install directory.
290    private static final String INSTALL_PACKAGE_SUFFIX = "-";
291
292    static final int SCAN_NO_DEX = 1<<1;
293    static final int SCAN_FORCE_DEX = 1<<2;
294    static final int SCAN_UPDATE_SIGNATURE = 1<<3;
295    static final int SCAN_NEW_INSTALL = 1<<4;
296    static final int SCAN_NO_PATHS = 1<<5;
297    static final int SCAN_UPDATE_TIME = 1<<6;
298    static final int SCAN_DEFER_DEX = 1<<7;
299    static final int SCAN_BOOTING = 1<<8;
300    static final int SCAN_TRUSTED_OVERLAY = 1<<9;
301    static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10;
302    static final int SCAN_REQUIRE_KNOWN = 1<<12;
303
304    static final int REMOVE_CHATTY = 1<<16;
305
306    /**
307     * Timeout (in milliseconds) after which the watchdog should declare that
308     * our handler thread is wedged.  The usual default for such things is one
309     * minute but we sometimes do very lengthy I/O operations on this thread,
310     * such as installing multi-gigabyte applications, so ours needs to be longer.
311     */
312    private static final long WATCHDOG_TIMEOUT = 1000*60*10;     // ten minutes
313
314    /**
315     * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim
316     * be run on this device.  We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL
317     * settings entry if available, otherwise we use the hardcoded default.  If it's been
318     * more than this long since the last fstrim, we force one during the boot sequence.
319     *
320     * This backstops other fstrim scheduling:  if the device is alive at midnight+idle,
321     * one gets run at the next available charging+idle time.  This final mandatory
322     * no-fstrim check kicks in only of the other scheduling criteria is never met.
323     */
324    private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS;
325
326    /**
327     * Whether verification is enabled by default.
328     */
329    private static final boolean DEFAULT_VERIFY_ENABLE = true;
330
331    /**
332     * The default maximum time to wait for the verification agent to return in
333     * milliseconds.
334     */
335    private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000;
336
337    /**
338     * The default response for package verification timeout.
339     *
340     * This can be either PackageManager.VERIFICATION_ALLOW or
341     * PackageManager.VERIFICATION_REJECT.
342     */
343    private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW;
344
345    static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer";
346
347    static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName(
348            DEFAULT_CONTAINER_PACKAGE,
349            "com.android.defcontainer.DefaultContainerService");
350
351    private static final String KILL_APP_REASON_GIDS_CHANGED =
352            "permission grant or revoke changed gids";
353
354    private static final String KILL_APP_REASON_PERMISSIONS_REVOKED =
355            "permissions revoked";
356
357    private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
358
359    private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay";
360
361    /** Permission grant: not grant the permission. */
362    private static final int GRANT_DENIED = 1;
363
364    /** Permission grant: grant the permission as an install permission. */
365    private static final int GRANT_INSTALL = 2;
366
367    /** Permission grant: grant the permission as a runtime one. */
368    private static final int GRANT_RUNTIME = 3;
369
370    /** Permission grant: grant as runtime a permission that was granted as an install time one. */
371    private static final int GRANT_UPGRADE = 4;
372
373    final ServiceThread mHandlerThread;
374
375    final PackageHandler mHandler;
376
377    /**
378     * Messages for {@link #mHandler} that need to wait for system ready before
379     * being dispatched.
380     */
381    private ArrayList<Message> mPostSystemReadyMessages;
382
383    final int mSdkVersion = Build.VERSION.SDK_INT;
384
385    final Context mContext;
386    final boolean mFactoryTest;
387    final boolean mOnlyCore;
388    final boolean mLazyDexOpt;
389    final long mDexOptLRUThresholdInMills;
390    final DisplayMetrics mMetrics;
391    final int mDefParseFlags;
392    final String[] mSeparateProcesses;
393    final boolean mIsUpgrade;
394
395    // This is where all application persistent data goes.
396    final File mAppDataDir;
397
398    // This is where all application persistent data goes for secondary users.
399    final File mUserAppDataDir;
400
401    /** The location for ASEC container files on internal storage. */
402    final String mAsecInternalPath;
403
404    // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages
405    // LOCK HELD.  Can be called with mInstallLock held.
406    final Installer mInstaller;
407
408    /** Directory where installed third-party apps stored */
409    final File mAppInstallDir;
410
411    /**
412     * Directory to which applications installed internally have their
413     * 32 bit native libraries copied.
414     */
415    private File mAppLib32InstallDir;
416
417    // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked
418    // apps.
419    final File mDrmAppPrivateInstallDir;
420
421    // ----------------------------------------------------------------
422
423    // Lock for state used when installing and doing other long running
424    // operations.  Methods that must be called with this lock held have
425    // the suffix "LI".
426    final Object mInstallLock = new Object();
427
428    // ----------------------------------------------------------------
429
430    // Keys are String (package name), values are Package.  This also serves
431    // as the lock for the global state.  Methods that must be called with
432    // this lock held have the prefix "LP".
433    final ArrayMap<String, PackageParser.Package> mPackages =
434            new ArrayMap<String, PackageParser.Package>();
435
436    // Tracks available target package names -> overlay package paths.
437    final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays =
438        new ArrayMap<String, ArrayMap<String, PackageParser.Package>>();
439
440    final Settings mSettings;
441    boolean mRestoredSettings;
442
443    // System configuration read by SystemConfig.
444    final int[] mGlobalGids;
445    final SparseArray<ArraySet<String>> mSystemPermissions;
446    final ArrayMap<String, FeatureInfo> mAvailableFeatures;
447
448    // If mac_permissions.xml was found for seinfo labeling.
449    boolean mFoundPolicyFile;
450
451    // If a recursive restorecon of /data/data/<pkg> is needed.
452    private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon();
453
454    public static final class SharedLibraryEntry {
455        public final String path;
456        public final String apk;
457
458        SharedLibraryEntry(String _path, String _apk) {
459            path = _path;
460            apk = _apk;
461        }
462    }
463
464    // Currently known shared libraries.
465    final ArrayMap<String, SharedLibraryEntry> mSharedLibraries =
466            new ArrayMap<String, SharedLibraryEntry>();
467
468    // All available activities, for your resolving pleasure.
469    final ActivityIntentResolver mActivities =
470            new ActivityIntentResolver();
471
472    // All available receivers, for your resolving pleasure.
473    final ActivityIntentResolver mReceivers =
474            new ActivityIntentResolver();
475
476    // All available services, for your resolving pleasure.
477    final ServiceIntentResolver mServices = new ServiceIntentResolver();
478
479    // All available providers, for your resolving pleasure.
480    final ProviderIntentResolver mProviders = new ProviderIntentResolver();
481
482    // Mapping from provider base names (first directory in content URI codePath)
483    // to the provider information.
484    final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority =
485            new ArrayMap<String, PackageParser.Provider>();
486
487    // Mapping from instrumentation class names to info about them.
488    final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation =
489            new ArrayMap<ComponentName, PackageParser.Instrumentation>();
490
491    // Mapping from permission names to info about them.
492    final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups =
493            new ArrayMap<String, PackageParser.PermissionGroup>();
494
495    // Packages whose data we have transfered into another package, thus
496    // should no longer exist.
497    final ArraySet<String> mTransferedPackages = new ArraySet<String>();
498
499    // Broadcast actions that are only available to the system.
500    final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>();
501
502    /** List of packages waiting for verification. */
503    final SparseArray<PackageVerificationState> mPendingVerification
504            = new SparseArray<PackageVerificationState>();
505
506    /** Set of packages associated with each app op permission. */
507    final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>();
508
509    final PackageInstallerService mInstallerService;
510
511    private final PackageDexOptimizer mPackageDexOptimizer;
512
513    private AtomicInteger mNextMoveId = new AtomicInteger();
514    private final MoveCallbacks mMoveCallbacks;
515
516    // Cache of users who need badging.
517    SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray();
518
519    /** Token for keys in mPendingVerification. */
520    private int mPendingVerificationToken = 0;
521
522    volatile boolean mSystemReady;
523    volatile boolean mSafeMode;
524    volatile boolean mHasSystemUidErrors;
525
526    ApplicationInfo mAndroidApplication;
527    final ActivityInfo mResolveActivity = new ActivityInfo();
528    final ResolveInfo mResolveInfo = new ResolveInfo();
529    ComponentName mResolveComponentName;
530    PackageParser.Package mPlatformPackage;
531    ComponentName mCustomResolverComponentName;
532
533    boolean mResolverReplaced = false;
534
535    private final ComponentName mIntentFilterVerifierComponent;
536    private int mIntentFilterVerificationToken = 0;
537
538    final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates
539            = new SparseArray<IntentFilterVerificationState>();
540
541    private interface IntentFilterVerifier<T extends IntentFilter> {
542        boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId,
543                                               T filter, String packageName);
544        void startVerifications(int userId);
545        void receiveVerificationResponse(int verificationId);
546    }
547
548    private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> {
549        private Context mContext;
550        private ComponentName mIntentFilterVerifierComponent;
551        private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>();
552
553        public IntentVerifierProxy(Context context, ComponentName verifierComponent) {
554            mContext = context;
555            mIntentFilterVerifierComponent = verifierComponent;
556        }
557
558        private String getDefaultScheme() {
559            // TODO: replace SCHEME_HTTP with SCHEME_HTTPS
560            return IntentFilter.SCHEME_HTTP;
561        }
562
563        @Override
564        public void startVerifications(int userId) {
565            // Launch verifications requests
566            int count = mCurrentIntentFilterVerifications.size();
567            for (int n=0; n<count; n++) {
568                int verificationId = mCurrentIntentFilterVerifications.get(n);
569                final IntentFilterVerificationState ivs =
570                        mIntentFilterVerificationStates.get(verificationId);
571
572                String packageName = ivs.getPackageName();
573
574                ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters();
575                final int filterCount = filters.size();
576                ArraySet<String> domainsSet = new ArraySet<>();
577                for (int m=0; m<filterCount; m++) {
578                    PackageParser.ActivityIntentInfo filter = filters.get(m);
579                    domainsSet.addAll(filter.getHostsList());
580                }
581                ArrayList<String> domainsList = new ArrayList<>(domainsSet);
582                synchronized (mPackages) {
583                    if (mSettings.createIntentFilterVerificationIfNeededLPw(
584                            packageName, domainsList) != null) {
585                        scheduleWriteSettingsLocked();
586                    }
587                }
588                sendVerificationRequest(userId, verificationId, ivs);
589            }
590            mCurrentIntentFilterVerifications.clear();
591        }
592
593        private void sendVerificationRequest(int userId, int verificationId,
594                IntentFilterVerificationState ivs) {
595
596            Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION);
597            verificationIntent.putExtra(
598                    PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID,
599                    verificationId);
600            verificationIntent.putExtra(
601                    PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME,
602                    getDefaultScheme());
603            verificationIntent.putExtra(
604                    PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS,
605                    ivs.getHostsString());
606            verificationIntent.putExtra(
607                    PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME,
608                    ivs.getPackageName());
609            verificationIntent.setComponent(mIntentFilterVerifierComponent);
610            verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
611
612            UserHandle user = new UserHandle(userId);
613            mContext.sendBroadcastAsUser(verificationIntent, user);
614            Slog.d(TAG, "Sending IntenFilter verification broadcast");
615        }
616
617        public void receiveVerificationResponse(int verificationId) {
618            IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId);
619
620            final boolean verified = ivs.isVerified();
621
622            ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters();
623            final int count = filters.size();
624            for (int n=0; n<count; n++) {
625                PackageParser.ActivityIntentInfo filter = filters.get(n);
626                filter.setVerified(verified);
627
628                Slog.d(TAG, "IntentFilter " + filter.toString() + " verified with result:"
629                        + verified + " and hosts:" + ivs.getHostsString());
630            }
631
632            mIntentFilterVerificationStates.remove(verificationId);
633
634            final String packageName = ivs.getPackageName();
635            IntentFilterVerificationInfo ivi = null;
636
637            synchronized (mPackages) {
638                ivi = mSettings.getIntentFilterVerificationLPr(packageName);
639            }
640            if (ivi == null) {
641                Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:"
642                        + verificationId + " packageName:" + packageName);
643                return;
644            }
645            Slog.d(TAG, "Updating IntentFilterVerificationInfo for verificationId:"
646                    + verificationId);
647
648            synchronized (mPackages) {
649                if (verified) {
650                    ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS);
651                } else {
652                    ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK);
653                }
654                scheduleWriteSettingsLocked();
655
656                final int userId = ivs.getUserId();
657                if (userId != UserHandle.USER_ALL) {
658                    final int userStatus =
659                            mSettings.getIntentFilterVerificationStatusLPr(packageName, userId);
660
661                    int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED;
662                    boolean needUpdate = false;
663
664                    // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have
665                    // already been set by the User thru the Disambiguation dialog
666                    switch (userStatus) {
667                        case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED:
668                            if (verified) {
669                                updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS;
670                            } else {
671                                updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK;
672                            }
673                            needUpdate = true;
674                            break;
675
676                        case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK:
677                            if (verified) {
678                                updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS;
679                                needUpdate = true;
680                            }
681                            break;
682
683                        default:
684                            // Nothing to do
685                    }
686
687                    if (needUpdate) {
688                        mSettings.updateIntentFilterVerificationStatusLPw(
689                                packageName, updatedStatus, userId);
690                        scheduleWritePackageRestrictionsLocked(userId);
691                    }
692                }
693            }
694        }
695
696        @Override
697        public boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId,
698                    ActivityIntentInfo filter, String packageName) {
699            if (!(filter.hasDataScheme(IntentFilter.SCHEME_HTTP) ||
700                    filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) {
701                Slog.d(TAG, "IntentFilter does not contain HTTP nor HTTPS data scheme");
702                return false;
703            }
704            IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId);
705            if (ivs == null) {
706                ivs = createDomainVerificationState(verifierId, userId, verificationId,
707                        packageName);
708            }
709            if (!hasValidDomains(filter)) {
710                return false;
711            }
712            ivs.addFilter(filter);
713            return true;
714        }
715
716        private IntentFilterVerificationState createDomainVerificationState(int verifierId,
717                int userId, int verificationId, String packageName) {
718            IntentFilterVerificationState ivs = new IntentFilterVerificationState(
719                    verifierId, userId, packageName);
720            ivs.setPendingState();
721            synchronized (mPackages) {
722                mIntentFilterVerificationStates.append(verificationId, ivs);
723                mCurrentIntentFilterVerifications.add(verificationId);
724            }
725            return ivs;
726        }
727    }
728
729    private static boolean hasValidDomains(ActivityIntentInfo filter) {
730        return hasValidDomains(filter, true);
731    }
732
733    private static boolean hasValidDomains(ActivityIntentInfo filter, boolean logging) {
734        boolean hasHTTPorHTTPS = filter.hasDataScheme(IntentFilter.SCHEME_HTTP) ||
735                filter.hasDataScheme(IntentFilter.SCHEME_HTTPS);
736        if (!hasHTTPorHTTPS) {
737            if (logging) {
738                Slog.d(TAG, "IntentFilter does not contain any HTTP or HTTPS data scheme");
739            }
740            return false;
741        }
742        return true;
743    }
744
745    private IntentFilterVerifier mIntentFilterVerifier;
746
747    // Set of pending broadcasts for aggregating enable/disable of components.
748    static class PendingPackageBroadcasts {
749        // for each user id, a map of <package name -> components within that package>
750        final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap;
751
752        public PendingPackageBroadcasts() {
753            mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2);
754        }
755
756        public ArrayList<String> get(int userId, String packageName) {
757            ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId);
758            return packages.get(packageName);
759        }
760
761        public void put(int userId, String packageName, ArrayList<String> components) {
762            ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId);
763            packages.put(packageName, components);
764        }
765
766        public void remove(int userId, String packageName) {
767            ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId);
768            if (packages != null) {
769                packages.remove(packageName);
770            }
771        }
772
773        public void remove(int userId) {
774            mUidMap.remove(userId);
775        }
776
777        public int userIdCount() {
778            return mUidMap.size();
779        }
780
781        public int userIdAt(int n) {
782            return mUidMap.keyAt(n);
783        }
784
785        public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) {
786            return mUidMap.get(userId);
787        }
788
789        public int size() {
790            // total number of pending broadcast entries across all userIds
791            int num = 0;
792            for (int i = 0; i< mUidMap.size(); i++) {
793                num += mUidMap.valueAt(i).size();
794            }
795            return num;
796        }
797
798        public void clear() {
799            mUidMap.clear();
800        }
801
802        private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) {
803            ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId);
804            if (map == null) {
805                map = new ArrayMap<String, ArrayList<String>>();
806                mUidMap.put(userId, map);
807            }
808            return map;
809        }
810    }
811    final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts();
812
813    // Service Connection to remote media container service to copy
814    // package uri's from external media onto secure containers
815    // or internal storage.
816    private IMediaContainerService mContainerService = null;
817
818    static final int SEND_PENDING_BROADCAST = 1;
819    static final int MCS_BOUND = 3;
820    static final int END_COPY = 4;
821    static final int INIT_COPY = 5;
822    static final int MCS_UNBIND = 6;
823    static final int START_CLEANING_PACKAGE = 7;
824    static final int FIND_INSTALL_LOC = 8;
825    static final int POST_INSTALL = 9;
826    static final int MCS_RECONNECT = 10;
827    static final int MCS_GIVE_UP = 11;
828    static final int UPDATED_MEDIA_STATUS = 12;
829    static final int WRITE_SETTINGS = 13;
830    static final int WRITE_PACKAGE_RESTRICTIONS = 14;
831    static final int PACKAGE_VERIFIED = 15;
832    static final int CHECK_PENDING_VERIFICATION = 16;
833    static final int START_INTENT_FILTER_VERIFICATIONS = 17;
834    static final int INTENT_FILTER_VERIFIED = 18;
835
836    static final int WRITE_SETTINGS_DELAY = 10*1000;  // 10 seconds
837
838    // Delay time in millisecs
839    static final int BROADCAST_DELAY = 10 * 1000;
840
841    static UserManagerService sUserManager;
842
843    // Stores a list of users whose package restrictions file needs to be updated
844    private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>();
845
846    final private DefaultContainerConnection mDefContainerConn =
847            new DefaultContainerConnection();
848    class DefaultContainerConnection implements ServiceConnection {
849        public void onServiceConnected(ComponentName name, IBinder service) {
850            if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected");
851            IMediaContainerService imcs =
852                IMediaContainerService.Stub.asInterface(service);
853            mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs));
854        }
855
856        public void onServiceDisconnected(ComponentName name) {
857            if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected");
858        }
859    };
860
861    // Recordkeeping of restore-after-install operations that are currently in flight
862    // between the Package Manager and the Backup Manager
863    class PostInstallData {
864        public InstallArgs args;
865        public PackageInstalledInfo res;
866
867        PostInstallData(InstallArgs _a, PackageInstalledInfo _r) {
868            args = _a;
869            res = _r;
870        }
871    };
872    final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>();
873    int mNextInstallToken = 1;  // nonzero; will be wrapped back to 1 when ++ overflows
874
875    // backup/restore of preferred activity state
876    private static final String TAG_PREFERRED_BACKUP = "pa";
877
878    private final String mRequiredVerifierPackage;
879
880    private final PackageUsage mPackageUsage = new PackageUsage();
881
882    private class PackageUsage {
883        private static final int WRITE_INTERVAL
884            = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms
885
886        private final Object mFileLock = new Object();
887        private final AtomicLong mLastWritten = new AtomicLong(0);
888        private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false);
889
890        private boolean mIsHistoricalPackageUsageAvailable = true;
891
892        boolean isHistoricalPackageUsageAvailable() {
893            return mIsHistoricalPackageUsageAvailable;
894        }
895
896        void write(boolean force) {
897            if (force) {
898                writeInternal();
899                return;
900            }
901            if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL
902                && !DEBUG_DEXOPT) {
903                return;
904            }
905            if (mBackgroundWriteRunning.compareAndSet(false, true)) {
906                new Thread("PackageUsage_DiskWriter") {
907                    @Override
908                    public void run() {
909                        try {
910                            writeInternal();
911                        } finally {
912                            mBackgroundWriteRunning.set(false);
913                        }
914                    }
915                }.start();
916            }
917        }
918
919        private void writeInternal() {
920            synchronized (mPackages) {
921                synchronized (mFileLock) {
922                    AtomicFile file = getFile();
923                    FileOutputStream f = null;
924                    try {
925                        f = file.startWrite();
926                        BufferedOutputStream out = new BufferedOutputStream(f);
927                        FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID);
928                        StringBuilder sb = new StringBuilder();
929                        for (PackageParser.Package pkg : mPackages.values()) {
930                            if (pkg.mLastPackageUsageTimeInMills == 0) {
931                                continue;
932                            }
933                            sb.setLength(0);
934                            sb.append(pkg.packageName);
935                            sb.append(' ');
936                            sb.append((long)pkg.mLastPackageUsageTimeInMills);
937                            sb.append('\n');
938                            out.write(sb.toString().getBytes(StandardCharsets.US_ASCII));
939                        }
940                        out.flush();
941                        file.finishWrite(f);
942                    } catch (IOException e) {
943                        if (f != null) {
944                            file.failWrite(f);
945                        }
946                        Log.e(TAG, "Failed to write package usage times", e);
947                    }
948                }
949            }
950            mLastWritten.set(SystemClock.elapsedRealtime());
951        }
952
953        void readLP() {
954            synchronized (mFileLock) {
955                AtomicFile file = getFile();
956                BufferedInputStream in = null;
957                try {
958                    in = new BufferedInputStream(file.openRead());
959                    StringBuffer sb = new StringBuffer();
960                    while (true) {
961                        String packageName = readToken(in, sb, ' ');
962                        if (packageName == null) {
963                            break;
964                        }
965                        String timeInMillisString = readToken(in, sb, '\n');
966                        if (timeInMillisString == null) {
967                            throw new IOException("Failed to find last usage time for package "
968                                                  + packageName);
969                        }
970                        PackageParser.Package pkg = mPackages.get(packageName);
971                        if (pkg == null) {
972                            continue;
973                        }
974                        long timeInMillis;
975                        try {
976                            timeInMillis = Long.parseLong(timeInMillisString.toString());
977                        } catch (NumberFormatException e) {
978                            throw new IOException("Failed to parse " + timeInMillisString
979                                                  + " as a long.", e);
980                        }
981                        pkg.mLastPackageUsageTimeInMills = timeInMillis;
982                    }
983                } catch (FileNotFoundException expected) {
984                    mIsHistoricalPackageUsageAvailable = false;
985                } catch (IOException e) {
986                    Log.w(TAG, "Failed to read package usage times", e);
987                } finally {
988                    IoUtils.closeQuietly(in);
989                }
990            }
991            mLastWritten.set(SystemClock.elapsedRealtime());
992        }
993
994        private String readToken(InputStream in, StringBuffer sb, char endOfToken)
995                throws IOException {
996            sb.setLength(0);
997            while (true) {
998                int ch = in.read();
999                if (ch == -1) {
1000                    if (sb.length() == 0) {
1001                        return null;
1002                    }
1003                    throw new IOException("Unexpected EOF");
1004                }
1005                if (ch == endOfToken) {
1006                    return sb.toString();
1007                }
1008                sb.append((char)ch);
1009            }
1010        }
1011
1012        private AtomicFile getFile() {
1013            File dataDir = Environment.getDataDirectory();
1014            File systemDir = new File(dataDir, "system");
1015            File fname = new File(systemDir, "package-usage.list");
1016            return new AtomicFile(fname);
1017        }
1018    }
1019
1020    class PackageHandler extends Handler {
1021        private boolean mBound = false;
1022        final ArrayList<HandlerParams> mPendingInstalls =
1023            new ArrayList<HandlerParams>();
1024
1025        private boolean connectToService() {
1026            if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" +
1027                    " DefaultContainerService");
1028            Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
1029            Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1030            if (mContext.bindServiceAsUser(service, mDefContainerConn,
1031                    Context.BIND_AUTO_CREATE, UserHandle.OWNER)) {
1032                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1033                mBound = true;
1034                return true;
1035            }
1036            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1037            return false;
1038        }
1039
1040        private void disconnectService() {
1041            mContainerService = null;
1042            mBound = false;
1043            Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1044            mContext.unbindService(mDefContainerConn);
1045            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1046        }
1047
1048        PackageHandler(Looper looper) {
1049            super(looper);
1050        }
1051
1052        public void handleMessage(Message msg) {
1053            try {
1054                doHandleMessage(msg);
1055            } finally {
1056                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1057            }
1058        }
1059
1060        void doHandleMessage(Message msg) {
1061            switch (msg.what) {
1062                case INIT_COPY: {
1063                    HandlerParams params = (HandlerParams) msg.obj;
1064                    int idx = mPendingInstalls.size();
1065                    if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params);
1066                    // If a bind was already initiated we dont really
1067                    // need to do anything. The pending install
1068                    // will be processed later on.
1069                    if (!mBound) {
1070                        // If this is the only one pending we might
1071                        // have to bind to the service again.
1072                        if (!connectToService()) {
1073                            Slog.e(TAG, "Failed to bind to media container service");
1074                            params.serviceError();
1075                            return;
1076                        } else {
1077                            // Once we bind to the service, the first
1078                            // pending request will be processed.
1079                            mPendingInstalls.add(idx, params);
1080                        }
1081                    } else {
1082                        mPendingInstalls.add(idx, params);
1083                        // Already bound to the service. Just make
1084                        // sure we trigger off processing the first request.
1085                        if (idx == 0) {
1086                            mHandler.sendEmptyMessage(MCS_BOUND);
1087                        }
1088                    }
1089                    break;
1090                }
1091                case MCS_BOUND: {
1092                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound");
1093                    if (msg.obj != null) {
1094                        mContainerService = (IMediaContainerService) msg.obj;
1095                    }
1096                    if (mContainerService == null) {
1097                        // Something seriously wrong. Bail out
1098                        Slog.e(TAG, "Cannot bind to media container service");
1099                        for (HandlerParams params : mPendingInstalls) {
1100                            // Indicate service bind error
1101                            params.serviceError();
1102                        }
1103                        mPendingInstalls.clear();
1104                    } else if (mPendingInstalls.size() > 0) {
1105                        HandlerParams params = mPendingInstalls.get(0);
1106                        if (params != null) {
1107                            if (params.startCopy()) {
1108                                // We are done...  look for more work or to
1109                                // go idle.
1110                                if (DEBUG_SD_INSTALL) Log.i(TAG,
1111                                        "Checking for more work or unbind...");
1112                                // Delete pending install
1113                                if (mPendingInstalls.size() > 0) {
1114                                    mPendingInstalls.remove(0);
1115                                }
1116                                if (mPendingInstalls.size() == 0) {
1117                                    if (mBound) {
1118                                        if (DEBUG_SD_INSTALL) Log.i(TAG,
1119                                                "Posting delayed MCS_UNBIND");
1120                                        removeMessages(MCS_UNBIND);
1121                                        Message ubmsg = obtainMessage(MCS_UNBIND);
1122                                        // Unbind after a little delay, to avoid
1123                                        // continual thrashing.
1124                                        sendMessageDelayed(ubmsg, 10000);
1125                                    }
1126                                } else {
1127                                    // There are more pending requests in queue.
1128                                    // Just post MCS_BOUND message to trigger processing
1129                                    // of next pending install.
1130                                    if (DEBUG_SD_INSTALL) Log.i(TAG,
1131                                            "Posting MCS_BOUND for next work");
1132                                    mHandler.sendEmptyMessage(MCS_BOUND);
1133                                }
1134                            }
1135                        }
1136                    } else {
1137                        // Should never happen ideally.
1138                        Slog.w(TAG, "Empty queue");
1139                    }
1140                    break;
1141                }
1142                case MCS_RECONNECT: {
1143                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect");
1144                    if (mPendingInstalls.size() > 0) {
1145                        if (mBound) {
1146                            disconnectService();
1147                        }
1148                        if (!connectToService()) {
1149                            Slog.e(TAG, "Failed to bind to media container service");
1150                            for (HandlerParams params : mPendingInstalls) {
1151                                // Indicate service bind error
1152                                params.serviceError();
1153                            }
1154                            mPendingInstalls.clear();
1155                        }
1156                    }
1157                    break;
1158                }
1159                case MCS_UNBIND: {
1160                    // If there is no actual work left, then time to unbind.
1161                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind");
1162
1163                    if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) {
1164                        if (mBound) {
1165                            if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()");
1166
1167                            disconnectService();
1168                        }
1169                    } else if (mPendingInstalls.size() > 0) {
1170                        // There are more pending requests in queue.
1171                        // Just post MCS_BOUND message to trigger processing
1172                        // of next pending install.
1173                        mHandler.sendEmptyMessage(MCS_BOUND);
1174                    }
1175
1176                    break;
1177                }
1178                case MCS_GIVE_UP: {
1179                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries");
1180                    mPendingInstalls.remove(0);
1181                    break;
1182                }
1183                case SEND_PENDING_BROADCAST: {
1184                    String packages[];
1185                    ArrayList<String> components[];
1186                    int size = 0;
1187                    int uids[];
1188                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1189                    synchronized (mPackages) {
1190                        if (mPendingBroadcasts == null) {
1191                            return;
1192                        }
1193                        size = mPendingBroadcasts.size();
1194                        if (size <= 0) {
1195                            // Nothing to be done. Just return
1196                            return;
1197                        }
1198                        packages = new String[size];
1199                        components = new ArrayList[size];
1200                        uids = new int[size];
1201                        int i = 0;  // filling out the above arrays
1202
1203                        for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) {
1204                            int packageUserId = mPendingBroadcasts.userIdAt(n);
1205                            Iterator<Map.Entry<String, ArrayList<String>>> it
1206                                    = mPendingBroadcasts.packagesForUserId(packageUserId)
1207                                            .entrySet().iterator();
1208                            while (it.hasNext() && i < size) {
1209                                Map.Entry<String, ArrayList<String>> ent = it.next();
1210                                packages[i] = ent.getKey();
1211                                components[i] = ent.getValue();
1212                                PackageSetting ps = mSettings.mPackages.get(ent.getKey());
1213                                uids[i] = (ps != null)
1214                                        ? UserHandle.getUid(packageUserId, ps.appId)
1215                                        : -1;
1216                                i++;
1217                            }
1218                        }
1219                        size = i;
1220                        mPendingBroadcasts.clear();
1221                    }
1222                    // Send broadcasts
1223                    for (int i = 0; i < size; i++) {
1224                        sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]);
1225                    }
1226                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1227                    break;
1228                }
1229                case START_CLEANING_PACKAGE: {
1230                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1231                    final String packageName = (String)msg.obj;
1232                    final int userId = msg.arg1;
1233                    final boolean andCode = msg.arg2 != 0;
1234                    synchronized (mPackages) {
1235                        if (userId == UserHandle.USER_ALL) {
1236                            int[] users = sUserManager.getUserIds();
1237                            for (int user : users) {
1238                                mSettings.addPackageToCleanLPw(
1239                                        new PackageCleanItem(user, packageName, andCode));
1240                            }
1241                        } else {
1242                            mSettings.addPackageToCleanLPw(
1243                                    new PackageCleanItem(userId, packageName, andCode));
1244                        }
1245                    }
1246                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1247                    startCleaningPackages();
1248                } break;
1249                case POST_INSTALL: {
1250                    if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1);
1251                    PostInstallData data = mRunningInstalls.get(msg.arg1);
1252                    mRunningInstalls.delete(msg.arg1);
1253                    boolean deleteOld = false;
1254
1255                    if (data != null) {
1256                        InstallArgs args = data.args;
1257                        PackageInstalledInfo res = data.res;
1258
1259                        if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
1260                            res.removedInfo.sendBroadcast(false, true, false);
1261                            Bundle extras = new Bundle(1);
1262                            extras.putInt(Intent.EXTRA_UID, res.uid);
1263
1264                            // Now that we successfully installed the package, grant runtime
1265                            // permissions if requested before broadcasting the install.
1266                            if ((args.installFlags
1267                                    & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) {
1268                                grantRequestedRuntimePermissions(res.pkg,
1269                                        args.user.getIdentifier());
1270                            }
1271
1272                            // Determine the set of users who are adding this
1273                            // package for the first time vs. those who are seeing
1274                            // an update.
1275                            int[] firstUsers;
1276                            int[] updateUsers = new int[0];
1277                            if (res.origUsers == null || res.origUsers.length == 0) {
1278                                firstUsers = res.newUsers;
1279                            } else {
1280                                firstUsers = new int[0];
1281                                for (int i=0; i<res.newUsers.length; i++) {
1282                                    int user = res.newUsers[i];
1283                                    boolean isNew = true;
1284                                    for (int j=0; j<res.origUsers.length; j++) {
1285                                        if (res.origUsers[j] == user) {
1286                                            isNew = false;
1287                                            break;
1288                                        }
1289                                    }
1290                                    if (isNew) {
1291                                        int[] newFirst = new int[firstUsers.length+1];
1292                                        System.arraycopy(firstUsers, 0, newFirst, 0,
1293                                                firstUsers.length);
1294                                        newFirst[firstUsers.length] = user;
1295                                        firstUsers = newFirst;
1296                                    } else {
1297                                        int[] newUpdate = new int[updateUsers.length+1];
1298                                        System.arraycopy(updateUsers, 0, newUpdate, 0,
1299                                                updateUsers.length);
1300                                        newUpdate[updateUsers.length] = user;
1301                                        updateUsers = newUpdate;
1302                                    }
1303                                }
1304                            }
1305                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
1306                                    res.pkg.applicationInfo.packageName,
1307                                    extras, null, null, firstUsers);
1308                            final boolean update = res.removedInfo.removedPackage != null;
1309                            if (update) {
1310                                extras.putBoolean(Intent.EXTRA_REPLACING, true);
1311                            }
1312                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
1313                                    res.pkg.applicationInfo.packageName,
1314                                    extras, null, null, updateUsers);
1315                            if (update) {
1316                                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED,
1317                                        res.pkg.applicationInfo.packageName,
1318                                        extras, null, null, updateUsers);
1319                                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED,
1320                                        null, null,
1321                                        res.pkg.applicationInfo.packageName, null, updateUsers);
1322
1323                                // treat asec-hosted packages like removable media on upgrade
1324                                if (res.pkg.isForwardLocked() || isExternal(res.pkg)) {
1325                                    if (DEBUG_INSTALL) {
1326                                        Slog.i(TAG, "upgrading pkg " + res.pkg
1327                                                + " is ASEC-hosted -> AVAILABLE");
1328                                    }
1329                                    int[] uidArray = new int[] { res.pkg.applicationInfo.uid };
1330                                    ArrayList<String> pkgList = new ArrayList<String>(1);
1331                                    pkgList.add(res.pkg.applicationInfo.packageName);
1332                                    sendResourcesChangedBroadcast(true, true,
1333                                            pkgList,uidArray, null);
1334                                }
1335                            }
1336                            if (res.removedInfo.args != null) {
1337                                // Remove the replaced package's older resources safely now
1338                                deleteOld = true;
1339                            }
1340
1341                            // Log current value of "unknown sources" setting
1342                            EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED,
1343                                getUnknownSourcesSettings());
1344                        }
1345                        // Force a gc to clear up things
1346                        Runtime.getRuntime().gc();
1347                        // We delete after a gc for applications  on sdcard.
1348                        if (deleteOld) {
1349                            synchronized (mInstallLock) {
1350                                res.removedInfo.args.doPostDeleteLI(true);
1351                            }
1352                        }
1353                        if (args.observer != null) {
1354                            try {
1355                                Bundle extras = extrasForInstallResult(res);
1356                                args.observer.onPackageInstalled(res.name, res.returnCode,
1357                                        res.returnMsg, extras);
1358                            } catch (RemoteException e) {
1359                                Slog.i(TAG, "Observer no longer exists.");
1360                            }
1361                        }
1362                    } else {
1363                        Slog.e(TAG, "Bogus post-install token " + msg.arg1);
1364                    }
1365                } break;
1366                case UPDATED_MEDIA_STATUS: {
1367                    if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS");
1368                    boolean reportStatus = msg.arg1 == 1;
1369                    boolean doGc = msg.arg2 == 1;
1370                    if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc);
1371                    if (doGc) {
1372                        // Force a gc to clear up stale containers.
1373                        Runtime.getRuntime().gc();
1374                    }
1375                    if (msg.obj != null) {
1376                        @SuppressWarnings("unchecked")
1377                        Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj;
1378                        if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers");
1379                        // Unload containers
1380                        unloadAllContainers(args);
1381                    }
1382                    if (reportStatus) {
1383                        try {
1384                            if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back");
1385                            PackageHelper.getMountService().finishMediaUpdate();
1386                        } catch (RemoteException e) {
1387                            Log.e(TAG, "MountService not running?");
1388                        }
1389                    }
1390                } break;
1391                case WRITE_SETTINGS: {
1392                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1393                    synchronized (mPackages) {
1394                        removeMessages(WRITE_SETTINGS);
1395                        removeMessages(WRITE_PACKAGE_RESTRICTIONS);
1396                        mSettings.writeLPr();
1397                        mDirtyUsers.clear();
1398                    }
1399                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1400                } break;
1401                case WRITE_PACKAGE_RESTRICTIONS: {
1402                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1403                    synchronized (mPackages) {
1404                        removeMessages(WRITE_PACKAGE_RESTRICTIONS);
1405                        for (int userId : mDirtyUsers) {
1406                            mSettings.writePackageRestrictionsLPr(userId);
1407                        }
1408                        mDirtyUsers.clear();
1409                    }
1410                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1411                } break;
1412                case CHECK_PENDING_VERIFICATION: {
1413                    final int verificationId = msg.arg1;
1414                    final PackageVerificationState state = mPendingVerification.get(verificationId);
1415
1416                    if ((state != null) && !state.timeoutExtended()) {
1417                        final InstallArgs args = state.getInstallArgs();
1418                        final Uri originUri = Uri.fromFile(args.origin.resolvedFile);
1419
1420                        Slog.i(TAG, "Verification timed out for " + originUri);
1421                        mPendingVerification.remove(verificationId);
1422
1423                        int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
1424
1425                        if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) {
1426                            Slog.i(TAG, "Continuing with installation of " + originUri);
1427                            state.setVerifierResponse(Binder.getCallingUid(),
1428                                    PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT);
1429                            broadcastPackageVerified(verificationId, originUri,
1430                                    PackageManager.VERIFICATION_ALLOW,
1431                                    state.getInstallArgs().getUser());
1432                            try {
1433                                ret = args.copyApk(mContainerService, true);
1434                            } catch (RemoteException e) {
1435                                Slog.e(TAG, "Could not contact the ContainerService");
1436                            }
1437                        } else {
1438                            broadcastPackageVerified(verificationId, originUri,
1439                                    PackageManager.VERIFICATION_REJECT,
1440                                    state.getInstallArgs().getUser());
1441                        }
1442
1443                        processPendingInstall(args, ret);
1444                        mHandler.sendEmptyMessage(MCS_UNBIND);
1445                    }
1446                    break;
1447                }
1448                case PACKAGE_VERIFIED: {
1449                    final int verificationId = msg.arg1;
1450
1451                    final PackageVerificationState state = mPendingVerification.get(verificationId);
1452                    if (state == null) {
1453                        Slog.w(TAG, "Invalid verification token " + verificationId + " received");
1454                        break;
1455                    }
1456
1457                    final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj;
1458
1459                    state.setVerifierResponse(response.callerUid, response.code);
1460
1461                    if (state.isVerificationComplete()) {
1462                        mPendingVerification.remove(verificationId);
1463
1464                        final InstallArgs args = state.getInstallArgs();
1465                        final Uri originUri = Uri.fromFile(args.origin.resolvedFile);
1466
1467                        int ret;
1468                        if (state.isInstallAllowed()) {
1469                            ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
1470                            broadcastPackageVerified(verificationId, originUri,
1471                                    response.code, state.getInstallArgs().getUser());
1472                            try {
1473                                ret = args.copyApk(mContainerService, true);
1474                            } catch (RemoteException e) {
1475                                Slog.e(TAG, "Could not contact the ContainerService");
1476                            }
1477                        } else {
1478                            ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
1479                        }
1480
1481                        processPendingInstall(args, ret);
1482
1483                        mHandler.sendEmptyMessage(MCS_UNBIND);
1484                    }
1485
1486                    break;
1487                }
1488                case START_INTENT_FILTER_VERIFICATIONS: {
1489                    int userId = msg.arg1;
1490                    int verifierUid = msg.arg2;
1491                    PackageParser.Package pkg = (PackageParser.Package)msg.obj;
1492
1493                    verifyIntentFiltersIfNeeded(userId, verifierUid, pkg);
1494                    break;
1495                }
1496                case INTENT_FILTER_VERIFIED: {
1497                    final int verificationId = msg.arg1;
1498
1499                    final IntentFilterVerificationState state = mIntentFilterVerificationStates.get(
1500                            verificationId);
1501                    if (state == null) {
1502                        Slog.w(TAG, "Invalid IntentFilter verification token "
1503                                + verificationId + " received");
1504                        break;
1505                    }
1506
1507                    final int userId = state.getUserId();
1508
1509                    Slog.d(TAG, "Processing IntentFilter verification with token:"
1510                            + verificationId + " and userId:" + userId);
1511
1512                    final IntentFilterVerificationResponse response =
1513                            (IntentFilterVerificationResponse) msg.obj;
1514
1515                    state.setVerifierResponse(response.callerUid, response.code);
1516
1517                    Slog.d(TAG, "IntentFilter verification with token:" + verificationId
1518                            + " and userId:" + userId
1519                            + " is settings verifier response with response code:"
1520                            + response.code);
1521
1522                    if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) {
1523                        Slog.d(TAG, "Domains failing verification: "
1524                                + response.getFailedDomainsString());
1525                    }
1526
1527                    if (state.isVerificationComplete()) {
1528                        mIntentFilterVerifier.receiveVerificationResponse(verificationId);
1529                    } else {
1530                        Slog.d(TAG, "IntentFilter verification with token:" + verificationId
1531                                + " was not said to be complete");
1532                    }
1533
1534                    break;
1535                }
1536            }
1537        }
1538    }
1539
1540    private StorageEventListener mStorageListener = new StorageEventListener() {
1541        @Override
1542        public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) {
1543            if (vol.type == VolumeInfo.TYPE_PRIVATE) {
1544                if (vol.state == VolumeInfo.STATE_MOUNTED) {
1545                    // TODO: ensure that private directories exist for all active users
1546                    // TODO: remove user data whose serial number doesn't match
1547                    loadPrivatePackages(vol);
1548                } else if (vol.state == VolumeInfo.STATE_EJECTING) {
1549                    unloadPrivatePackages(vol);
1550                }
1551            }
1552
1553            if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) {
1554                if (vol.state == VolumeInfo.STATE_MOUNTED) {
1555                    updateExternalMediaStatus(true, false);
1556                } else if (vol.state == VolumeInfo.STATE_EJECTING) {
1557                    updateExternalMediaStatus(false, false);
1558                }
1559            }
1560        }
1561
1562        @Override
1563        public void onVolumeForgotten(String fsUuid) {
1564            // TODO: remove all packages hosted on this uuid
1565        }
1566    };
1567
1568    private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId) {
1569        if (userId >= UserHandle.USER_OWNER) {
1570            grantRequestedRuntimePermissionsForUser(pkg, userId);
1571        } else if (userId == UserHandle.USER_ALL) {
1572            for (int someUserId : UserManagerService.getInstance().getUserIds()) {
1573                grantRequestedRuntimePermissionsForUser(pkg, someUserId);
1574            }
1575        }
1576    }
1577
1578    private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId) {
1579        SettingBase sb = (SettingBase) pkg.mExtras;
1580        if (sb == null) {
1581            return;
1582        }
1583
1584        PermissionsState permissionsState = sb.getPermissionsState();
1585
1586        for (String permission : pkg.requestedPermissions) {
1587            BasePermission bp = mSettings.mPermissions.get(permission);
1588            if (bp != null && bp.isRuntime()) {
1589                permissionsState.grantRuntimePermission(bp, userId);
1590            }
1591        }
1592    }
1593
1594    Bundle extrasForInstallResult(PackageInstalledInfo res) {
1595        Bundle extras = null;
1596        switch (res.returnCode) {
1597            case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: {
1598                extras = new Bundle();
1599                extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION,
1600                        res.origPermission);
1601                extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE,
1602                        res.origPackage);
1603                break;
1604            }
1605        }
1606        return extras;
1607    }
1608
1609    void scheduleWriteSettingsLocked() {
1610        if (!mHandler.hasMessages(WRITE_SETTINGS)) {
1611            mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY);
1612        }
1613    }
1614
1615    void scheduleWritePackageRestrictionsLocked(int userId) {
1616        if (!sUserManager.exists(userId)) return;
1617        mDirtyUsers.add(userId);
1618        if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) {
1619            mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY);
1620        }
1621    }
1622
1623    public static PackageManagerService main(Context context, Installer installer,
1624            boolean factoryTest, boolean onlyCore) {
1625        PackageManagerService m = new PackageManagerService(context, installer,
1626                factoryTest, onlyCore);
1627        ServiceManager.addService("package", m);
1628        return m;
1629    }
1630
1631    static String[] splitString(String str, char sep) {
1632        int count = 1;
1633        int i = 0;
1634        while ((i=str.indexOf(sep, i)) >= 0) {
1635            count++;
1636            i++;
1637        }
1638
1639        String[] res = new String[count];
1640        i=0;
1641        count = 0;
1642        int lastI=0;
1643        while ((i=str.indexOf(sep, i)) >= 0) {
1644            res[count] = str.substring(lastI, i);
1645            count++;
1646            i++;
1647            lastI = i;
1648        }
1649        res[count] = str.substring(lastI, str.length());
1650        return res;
1651    }
1652
1653    private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) {
1654        DisplayManager displayManager = (DisplayManager) context.getSystemService(
1655                Context.DISPLAY_SERVICE);
1656        displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics);
1657    }
1658
1659    public PackageManagerService(Context context, Installer installer,
1660            boolean factoryTest, boolean onlyCore) {
1661        EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START,
1662                SystemClock.uptimeMillis());
1663
1664        if (mSdkVersion <= 0) {
1665            Slog.w(TAG, "**** ro.build.version.sdk not set!");
1666        }
1667
1668        mContext = context;
1669        mFactoryTest = factoryTest;
1670        mOnlyCore = onlyCore;
1671        mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type"));
1672        mMetrics = new DisplayMetrics();
1673        mSettings = new Settings(mPackages);
1674        mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID,
1675                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1676        mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID,
1677                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1678        mSettings.addSharedUserLPw("android.uid.log", LOG_UID,
1679                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1680        mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID,
1681                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1682        mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID,
1683                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1684        mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID,
1685                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1686
1687        // TODO: add a property to control this?
1688        long dexOptLRUThresholdInMinutes;
1689        if (mLazyDexOpt) {
1690            dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds.
1691        } else {
1692            dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users.
1693        }
1694        mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000;
1695
1696        String separateProcesses = SystemProperties.get("debug.separate_processes");
1697        if (separateProcesses != null && separateProcesses.length() > 0) {
1698            if ("*".equals(separateProcesses)) {
1699                mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES;
1700                mSeparateProcesses = null;
1701                Slog.w(TAG, "Running with debug.separate_processes: * (ALL)");
1702            } else {
1703                mDefParseFlags = 0;
1704                mSeparateProcesses = separateProcesses.split(",");
1705                Slog.w(TAG, "Running with debug.separate_processes: "
1706                        + separateProcesses);
1707            }
1708        } else {
1709            mDefParseFlags = 0;
1710            mSeparateProcesses = null;
1711        }
1712
1713        mInstaller = installer;
1714        mPackageDexOptimizer = new PackageDexOptimizer(this);
1715        mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper());
1716
1717        getDefaultDisplayMetrics(context, mMetrics);
1718
1719        SystemConfig systemConfig = SystemConfig.getInstance();
1720        mGlobalGids = systemConfig.getGlobalGids();
1721        mSystemPermissions = systemConfig.getSystemPermissions();
1722        mAvailableFeatures = systemConfig.getAvailableFeatures();
1723
1724        synchronized (mInstallLock) {
1725        // writer
1726        synchronized (mPackages) {
1727            mHandlerThread = new ServiceThread(TAG,
1728                    Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/);
1729            mHandlerThread.start();
1730            mHandler = new PackageHandler(mHandlerThread.getLooper());
1731            Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT);
1732
1733            File dataDir = Environment.getDataDirectory();
1734            mAppDataDir = new File(dataDir, "data");
1735            mAppInstallDir = new File(dataDir, "app");
1736            mAppLib32InstallDir = new File(dataDir, "app-lib");
1737            mAsecInternalPath = new File(dataDir, "app-asec").getPath();
1738            mUserAppDataDir = new File(dataDir, "user");
1739            mDrmAppPrivateInstallDir = new File(dataDir, "app-private");
1740
1741            sUserManager = new UserManagerService(context, this,
1742                    mInstallLock, mPackages);
1743
1744            // Propagate permission configuration in to package manager.
1745            ArrayMap<String, SystemConfig.PermissionEntry> permConfig
1746                    = systemConfig.getPermissions();
1747            for (int i=0; i<permConfig.size(); i++) {
1748                SystemConfig.PermissionEntry perm = permConfig.valueAt(i);
1749                BasePermission bp = mSettings.mPermissions.get(perm.name);
1750                if (bp == null) {
1751                    bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN);
1752                    mSettings.mPermissions.put(perm.name, bp);
1753                }
1754                if (perm.gids != null) {
1755                    bp.setGids(perm.gids, perm.perUser);
1756                }
1757            }
1758
1759            ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries();
1760            for (int i=0; i<libConfig.size(); i++) {
1761                mSharedLibraries.put(libConfig.keyAt(i),
1762                        new SharedLibraryEntry(libConfig.valueAt(i), null));
1763            }
1764
1765            mFoundPolicyFile = SELinuxMMAC.readInstallPolicy();
1766
1767            mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false),
1768                    mSdkVersion, mOnlyCore);
1769
1770            String customResolverActivity = Resources.getSystem().getString(
1771                    R.string.config_customResolverActivity);
1772            if (TextUtils.isEmpty(customResolverActivity)) {
1773                customResolverActivity = null;
1774            } else {
1775                mCustomResolverComponentName = ComponentName.unflattenFromString(
1776                        customResolverActivity);
1777            }
1778
1779            long startTime = SystemClock.uptimeMillis();
1780
1781            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START,
1782                    startTime);
1783
1784            // Set flag to monitor and not change apk file paths when
1785            // scanning install directories.
1786            final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING;
1787
1788            final ArraySet<String> alreadyDexOpted = new ArraySet<String>();
1789
1790            /**
1791             * Add everything in the in the boot class path to the
1792             * list of process files because dexopt will have been run
1793             * if necessary during zygote startup.
1794             */
1795            final String bootClassPath = System.getenv("BOOTCLASSPATH");
1796            final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH");
1797
1798            if (bootClassPath != null) {
1799                String[] bootClassPathElements = splitString(bootClassPath, ':');
1800                for (String element : bootClassPathElements) {
1801                    alreadyDexOpted.add(element);
1802                }
1803            } else {
1804                Slog.w(TAG, "No BOOTCLASSPATH found!");
1805            }
1806
1807            if (systemServerClassPath != null) {
1808                String[] systemServerClassPathElements = splitString(systemServerClassPath, ':');
1809                for (String element : systemServerClassPathElements) {
1810                    alreadyDexOpted.add(element);
1811                }
1812            } else {
1813                Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!");
1814            }
1815
1816            final List<String> allInstructionSets = InstructionSets.getAllInstructionSets();
1817            final String[] dexCodeInstructionSets =
1818                    getDexCodeInstructionSets(
1819                            allInstructionSets.toArray(new String[allInstructionSets.size()]));
1820
1821            /**
1822             * Ensure all external libraries have had dexopt run on them.
1823             */
1824            if (mSharedLibraries.size() > 0) {
1825                // NOTE: For now, we're compiling these system "shared libraries"
1826                // (and framework jars) into all available architectures. It's possible
1827                // to compile them only when we come across an app that uses them (there's
1828                // already logic for that in scanPackageLI) but that adds some complexity.
1829                for (String dexCodeInstructionSet : dexCodeInstructionSets) {
1830                    for (SharedLibraryEntry libEntry : mSharedLibraries.values()) {
1831                        final String lib = libEntry.path;
1832                        if (lib == null) {
1833                            continue;
1834                        }
1835
1836                        try {
1837                            int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false);
1838                            if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
1839                                alreadyDexOpted.add(lib);
1840                                mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded);
1841                            }
1842                        } catch (FileNotFoundException e) {
1843                            Slog.w(TAG, "Library not found: " + lib);
1844                        } catch (IOException e) {
1845                            Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? "
1846                                    + e.getMessage());
1847                        }
1848                    }
1849                }
1850            }
1851
1852            File frameworkDir = new File(Environment.getRootDirectory(), "framework");
1853
1854            // Gross hack for now: we know this file doesn't contain any
1855            // code, so don't dexopt it to avoid the resulting log spew.
1856            alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk");
1857
1858            // Gross hack for now: we know this file is only part of
1859            // the boot class path for art, so don't dexopt it to
1860            // avoid the resulting log spew.
1861            alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar");
1862
1863            /**
1864             * And there are a number of commands implemented in Java, which
1865             * we currently need to do the dexopt on so that they can be
1866             * run from a non-root shell.
1867             */
1868            String[] frameworkFiles = frameworkDir.list();
1869            if (frameworkFiles != null) {
1870                // TODO: We could compile these only for the most preferred ABI. We should
1871                // first double check that the dex files for these commands are not referenced
1872                // by other system apps.
1873                for (String dexCodeInstructionSet : dexCodeInstructionSets) {
1874                    for (int i=0; i<frameworkFiles.length; i++) {
1875                        File libPath = new File(frameworkDir, frameworkFiles[i]);
1876                        String path = libPath.getPath();
1877                        // Skip the file if we already did it.
1878                        if (alreadyDexOpted.contains(path)) {
1879                            continue;
1880                        }
1881                        // Skip the file if it is not a type we want to dexopt.
1882                        if (!path.endsWith(".apk") && !path.endsWith(".jar")) {
1883                            continue;
1884                        }
1885                        try {
1886                            int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false);
1887                            if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
1888                                mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded);
1889                            }
1890                        } catch (FileNotFoundException e) {
1891                            Slog.w(TAG, "Jar not found: " + path);
1892                        } catch (IOException e) {
1893                            Slog.w(TAG, "Exception reading jar: " + path, e);
1894                        }
1895                    }
1896                }
1897            }
1898
1899            // Collect vendor overlay packages.
1900            // (Do this before scanning any apps.)
1901            // For security and version matching reason, only consider
1902            // overlay packages if they reside in VENDOR_OVERLAY_DIR.
1903            File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR);
1904            scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM
1905                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0);
1906
1907            // Find base frameworks (resource packages without code).
1908            scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM
1909                    | PackageParser.PARSE_IS_SYSTEM_DIR
1910                    | PackageParser.PARSE_IS_PRIVILEGED,
1911                    scanFlags | SCAN_NO_DEX, 0);
1912
1913            // Collected privileged system packages.
1914            final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app");
1915            scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM
1916                    | PackageParser.PARSE_IS_SYSTEM_DIR
1917                    | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0);
1918
1919            // Collect ordinary system packages.
1920            final File systemAppDir = new File(Environment.getRootDirectory(), "app");
1921            scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM
1922                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
1923
1924            // Collect all vendor packages.
1925            File vendorAppDir = new File("/vendor/app");
1926            try {
1927                vendorAppDir = vendorAppDir.getCanonicalFile();
1928            } catch (IOException e) {
1929                // failed to look up canonical path, continue with original one
1930            }
1931            scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM
1932                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
1933
1934            // Collect all OEM packages.
1935            final File oemAppDir = new File(Environment.getOemDirectory(), "app");
1936            scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM
1937                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
1938
1939            if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands");
1940            mInstaller.moveFiles();
1941
1942            // Prune any system packages that no longer exist.
1943            final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>();
1944            final ArrayMap<String, File> expectingBetter = new ArrayMap<>();
1945            if (!mOnlyCore) {
1946                Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
1947                while (psit.hasNext()) {
1948                    PackageSetting ps = psit.next();
1949
1950                    /*
1951                     * If this is not a system app, it can't be a
1952                     * disable system app.
1953                     */
1954                    if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) {
1955                        continue;
1956                    }
1957
1958                    /*
1959                     * If the package is scanned, it's not erased.
1960                     */
1961                    final PackageParser.Package scannedPkg = mPackages.get(ps.name);
1962                    if (scannedPkg != null) {
1963                        /*
1964                         * If the system app is both scanned and in the
1965                         * disabled packages list, then it must have been
1966                         * added via OTA. Remove it from the currently
1967                         * scanned package so the previously user-installed
1968                         * application can be scanned.
1969                         */
1970                        if (mSettings.isDisabledSystemPackageLPr(ps.name)) {
1971                            logCriticalInfo(Log.WARN, "Expecting better updated system app for "
1972                                    + ps.name + "; removing system app.  Last known codePath="
1973                                    + ps.codePathString + ", installStatus=" + ps.installStatus
1974                                    + ", versionCode=" + ps.versionCode + "; scanned versionCode="
1975                                    + scannedPkg.mVersionCode);
1976                            removePackageLI(ps, true);
1977                            expectingBetter.put(ps.name, ps.codePath);
1978                        }
1979
1980                        continue;
1981                    }
1982
1983                    if (!mSettings.isDisabledSystemPackageLPr(ps.name)) {
1984                        psit.remove();
1985                        logCriticalInfo(Log.WARN, "System package " + ps.name
1986                                + " no longer exists; wiping its data");
1987                        removeDataDirsLI(null, ps.name);
1988                    } else {
1989                        final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name);
1990                        if (disabledPs.codePath == null || !disabledPs.codePath.exists()) {
1991                            possiblyDeletedUpdatedSystemApps.add(ps.name);
1992                        }
1993                    }
1994                }
1995            }
1996
1997            //look for any incomplete package installations
1998            ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr();
1999            //clean up list
2000            for(int i = 0; i < deletePkgsList.size(); i++) {
2001                //clean up here
2002                cleanupInstallFailedPackage(deletePkgsList.get(i));
2003            }
2004            //delete tmp files
2005            deleteTempPackageFiles();
2006
2007            // Remove any shared userIDs that have no associated packages
2008            mSettings.pruneSharedUsersLPw();
2009
2010            if (!mOnlyCore) {
2011                EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START,
2012                        SystemClock.uptimeMillis());
2013                scanDirLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0);
2014
2015                scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK,
2016                        scanFlags | SCAN_REQUIRE_KNOWN, 0);
2017
2018                /**
2019                 * Remove disable package settings for any updated system
2020                 * apps that were removed via an OTA. If they're not a
2021                 * previously-updated app, remove them completely.
2022                 * Otherwise, just revoke their system-level permissions.
2023                 */
2024                for (String deletedAppName : possiblyDeletedUpdatedSystemApps) {
2025                    PackageParser.Package deletedPkg = mPackages.get(deletedAppName);
2026                    mSettings.removeDisabledSystemPackageLPw(deletedAppName);
2027
2028                    String msg;
2029                    if (deletedPkg == null) {
2030                        msg = "Updated system package " + deletedAppName
2031                                + " no longer exists; wiping its data";
2032                        removeDataDirsLI(null, deletedAppName);
2033                    } else {
2034                        msg = "Updated system app + " + deletedAppName
2035                                + " no longer present; removing system privileges for "
2036                                + deletedAppName;
2037
2038                        deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM;
2039
2040                        PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName);
2041                        deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM;
2042                    }
2043                    logCriticalInfo(Log.WARN, msg);
2044                }
2045
2046                /**
2047                 * Make sure all system apps that we expected to appear on
2048                 * the userdata partition actually showed up. If they never
2049                 * appeared, crawl back and revive the system version.
2050                 */
2051                for (int i = 0; i < expectingBetter.size(); i++) {
2052                    final String packageName = expectingBetter.keyAt(i);
2053                    if (!mPackages.containsKey(packageName)) {
2054                        final File scanFile = expectingBetter.valueAt(i);
2055
2056                        logCriticalInfo(Log.WARN, "Expected better " + packageName
2057                                + " but never showed up; reverting to system");
2058
2059                        final int reparseFlags;
2060                        if (FileUtils.contains(privilegedAppDir, scanFile)) {
2061                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2062                                    | PackageParser.PARSE_IS_SYSTEM_DIR
2063                                    | PackageParser.PARSE_IS_PRIVILEGED;
2064                        } else if (FileUtils.contains(systemAppDir, scanFile)) {
2065                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2066                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
2067                        } else if (FileUtils.contains(vendorAppDir, scanFile)) {
2068                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2069                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
2070                        } else if (FileUtils.contains(oemAppDir, scanFile)) {
2071                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2072                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
2073                        } else {
2074                            Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile);
2075                            continue;
2076                        }
2077
2078                        mSettings.enableSystemPackageLPw(packageName);
2079
2080                        try {
2081                            scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null);
2082                        } catch (PackageManagerException e) {
2083                            Slog.e(TAG, "Failed to parse original system package: "
2084                                    + e.getMessage());
2085                        }
2086                    }
2087                }
2088            }
2089
2090            // Now that we know all of the shared libraries, update all clients to have
2091            // the correct library paths.
2092            updateAllSharedLibrariesLPw();
2093
2094            for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) {
2095                // NOTE: We ignore potential failures here during a system scan (like
2096                // the rest of the commands above) because there's precious little we
2097                // can do about it. A settings error is reported, though.
2098                adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */,
2099                        false /* force dexopt */, false /* defer dexopt */);
2100            }
2101
2102            // Now that we know all the packages we are keeping,
2103            // read and update their last usage times.
2104            mPackageUsage.readLP();
2105
2106            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END,
2107                    SystemClock.uptimeMillis());
2108            Slog.i(TAG, "Time to scan packages: "
2109                    + ((SystemClock.uptimeMillis()-startTime)/1000f)
2110                    + " seconds");
2111
2112            // If the platform SDK has changed since the last time we booted,
2113            // we need to re-grant app permission to catch any new ones that
2114            // appear.  This is really a hack, and means that apps can in some
2115            // cases get permissions that the user didn't initially explicitly
2116            // allow...  it would be nice to have some better way to handle
2117            // this situation.
2118            final boolean regrantPermissions = mSettings.mInternalSdkPlatform
2119                    != mSdkVersion;
2120            if (regrantPermissions) Slog.i(TAG, "Platform changed from "
2121                    + mSettings.mInternalSdkPlatform + " to " + mSdkVersion
2122                    + "; regranting permissions for internal storage");
2123            mSettings.mInternalSdkPlatform = mSdkVersion;
2124
2125            // For now runtime permissions are toggled via a system property.
2126            if (!RUNTIME_PERMISSIONS_ENABLED) {
2127                // Remove the runtime permissions state if the feature
2128                // was disabled by flipping the system property.
2129                mSettings.deleteRuntimePermissionsFiles();
2130            }
2131
2132            updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
2133                    | (regrantPermissions
2134                            ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
2135                            : 0));
2136
2137            // If this is the first boot, and it is a normal boot, then
2138            // we need to initialize the default preferred apps.
2139            if (!mRestoredSettings && !onlyCore) {
2140                mSettings.readDefaultPreferredAppsLPw(this, 0);
2141            }
2142
2143            // If this is first boot after an OTA, and a normal boot, then
2144            // we need to clear code cache directories.
2145            mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint);
2146            if (mIsUpgrade && !onlyCore) {
2147                Slog.i(TAG, "Build fingerprint changed; clearing code caches");
2148                for (int i = 0; i < mSettings.mPackages.size(); i++) {
2149                    final PackageSetting ps = mSettings.mPackages.valueAt(i);
2150                    deleteCodeCacheDirsLI(ps.volumeUuid, ps.name);
2151                }
2152                mSettings.mFingerprint = Build.FINGERPRINT;
2153            }
2154
2155            // All the changes are done during package scanning.
2156            mSettings.updateInternalDatabaseVersion();
2157
2158            // can downgrade to reader
2159            mSettings.writeLPr();
2160
2161            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY,
2162                    SystemClock.uptimeMillis());
2163
2164            mRequiredVerifierPackage = getRequiredVerifierLPr();
2165
2166            mInstallerService = new PackageInstallerService(context, this);
2167
2168            mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr();
2169            mIntentFilterVerifier = new IntentVerifierProxy(mContext,
2170                    mIntentFilterVerifierComponent);
2171
2172            primeDomainVerificationsLPw(false);
2173
2174        } // synchronized (mPackages)
2175        } // synchronized (mInstallLock)
2176
2177        // Now after opening every single application zip, make sure they
2178        // are all flushed.  Not really needed, but keeps things nice and
2179        // tidy.
2180        Runtime.getRuntime().gc();
2181    }
2182
2183    @Override
2184    public boolean isFirstBoot() {
2185        return !mRestoredSettings;
2186    }
2187
2188    @Override
2189    public boolean isOnlyCoreApps() {
2190        return mOnlyCore;
2191    }
2192
2193    @Override
2194    public boolean isUpgrade() {
2195        return mIsUpgrade;
2196    }
2197
2198    private String getRequiredVerifierLPr() {
2199        final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
2200        final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE,
2201                PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */);
2202
2203        String requiredVerifier = null;
2204
2205        final int N = receivers.size();
2206        for (int i = 0; i < N; i++) {
2207            final ResolveInfo info = receivers.get(i);
2208
2209            if (info.activityInfo == null) {
2210                continue;
2211            }
2212
2213            final String packageName = info.activityInfo.packageName;
2214
2215            if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
2216                    packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) {
2217                continue;
2218            }
2219
2220            if (requiredVerifier != null) {
2221                throw new RuntimeException("There can be only one required verifier");
2222            }
2223
2224            requiredVerifier = packageName;
2225        }
2226
2227        return requiredVerifier;
2228    }
2229
2230    private ComponentName getIntentFilterVerifierComponentNameLPr() {
2231        final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION);
2232        final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE,
2233                PackageManager.GET_DISABLED_COMPONENTS, 0 /* userId */);
2234
2235        ComponentName verifierComponentName = null;
2236
2237        int priority = -1000;
2238        final int N = receivers.size();
2239        for (int i = 0; i < N; i++) {
2240            final ResolveInfo info = receivers.get(i);
2241
2242            if (info.activityInfo == null) {
2243                continue;
2244            }
2245
2246            final String packageName = info.activityInfo.packageName;
2247
2248            final PackageSetting ps = mSettings.mPackages.get(packageName);
2249            if (ps == null) {
2250                continue;
2251            }
2252
2253            if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT,
2254                    packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) {
2255                continue;
2256            }
2257
2258            // Select the IntentFilterVerifier with the highest priority
2259            if (priority < info.priority) {
2260                priority = info.priority;
2261                verifierComponentName = new ComponentName(packageName, info.activityInfo.name);
2262                Slog.d(TAG, "Selecting IntentFilterVerifier: " + verifierComponentName +
2263                        " with priority: " + info.priority);
2264            }
2265        }
2266
2267        return verifierComponentName;
2268    }
2269
2270    private void primeDomainVerificationsLPw(boolean logging) {
2271        Slog.d(TAG, "Start priming domain verification");
2272        boolean updated = false;
2273        ArrayList<String> allHosts = new ArrayList<>();
2274        for (PackageParser.Package pkg : mPackages.values()) {
2275            final String packageName = pkg.packageName;
2276            if (!hasDomainURLs(pkg)) {
2277                if (logging) {
2278                    Slog.d(TAG, "No priming domain verifications for " +
2279                            "package with no domain URLs: " + packageName);
2280                }
2281                continue;
2282            }
2283            if (!pkg.isSystemApp()) {
2284                if (logging) {
2285                    Slog.d(TAG, "No priming domain verifications for a non system package : " +
2286                            packageName);
2287                }
2288                continue;
2289            }
2290            for (PackageParser.Activity a : pkg.activities) {
2291                for (ActivityIntentInfo filter : a.intents) {
2292                    if (hasValidDomains(filter, false)) {
2293                        allHosts.addAll(filter.getHostsList());
2294                    }
2295                }
2296            }
2297            if (allHosts.size() == 0) {
2298                allHosts.add("*");
2299            }
2300            IntentFilterVerificationInfo ivi =
2301                    mSettings.createIntentFilterVerificationIfNeededLPw(packageName, allHosts);
2302            if (ivi != null) {
2303                // We will always log this
2304                Slog.d(TAG, "Priming domain verifications for package: " + packageName);
2305                ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS);
2306                updated = true;
2307            }
2308            else {
2309                if (logging) {
2310                    Slog.d(TAG, "No priming domain verifications for package: " + packageName);
2311                }
2312            }
2313            allHosts.clear();
2314        }
2315        if (updated) {
2316            scheduleWriteSettingsLocked();
2317        }
2318        Slog.d(TAG, "End priming domain verification");
2319    }
2320
2321    @Override
2322    public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
2323            throws RemoteException {
2324        try {
2325            return super.onTransact(code, data, reply, flags);
2326        } catch (RuntimeException e) {
2327            if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) {
2328                Slog.wtf(TAG, "Package Manager Crash", e);
2329            }
2330            throw e;
2331        }
2332    }
2333
2334    void cleanupInstallFailedPackage(PackageSetting ps) {
2335        logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name);
2336
2337        removeDataDirsLI(ps.volumeUuid, ps.name);
2338        if (ps.codePath != null) {
2339            if (ps.codePath.isDirectory()) {
2340                mInstaller.rmPackageDir(ps.codePath.getAbsolutePath());
2341            } else {
2342                ps.codePath.delete();
2343            }
2344        }
2345        if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) {
2346            if (ps.resourcePath.isDirectory()) {
2347                FileUtils.deleteContents(ps.resourcePath);
2348            }
2349            ps.resourcePath.delete();
2350        }
2351        mSettings.removePackageLPw(ps.name);
2352    }
2353
2354    static int[] appendInts(int[] cur, int[] add) {
2355        if (add == null) return cur;
2356        if (cur == null) return add;
2357        final int N = add.length;
2358        for (int i=0; i<N; i++) {
2359            cur = appendInt(cur, add[i]);
2360        }
2361        return cur;
2362    }
2363
2364    PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) {
2365        if (!sUserManager.exists(userId)) return null;
2366        final PackageSetting ps = (PackageSetting) p.mExtras;
2367        if (ps == null) {
2368            return null;
2369        }
2370
2371        final PermissionsState permissionsState = ps.getPermissionsState();
2372
2373        final int[] gids = permissionsState.computeGids(userId);
2374        final Set<String> permissions = permissionsState.getPermissions(userId);
2375        final PackageUserState state = ps.readUserState(userId);
2376
2377        return PackageParser.generatePackageInfo(p, gids, flags,
2378                ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId);
2379    }
2380
2381    @Override
2382    public boolean isPackageFrozen(String packageName) {
2383        synchronized (mPackages) {
2384            final PackageSetting ps = mSettings.mPackages.get(packageName);
2385            if (ps != null) {
2386                return ps.frozen;
2387            }
2388        }
2389        Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen");
2390        return true;
2391    }
2392
2393    @Override
2394    public boolean isPackageAvailable(String packageName, int userId) {
2395        if (!sUserManager.exists(userId)) return false;
2396        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available");
2397        synchronized (mPackages) {
2398            PackageParser.Package p = mPackages.get(packageName);
2399            if (p != null) {
2400                final PackageSetting ps = (PackageSetting) p.mExtras;
2401                if (ps != null) {
2402                    final PackageUserState state = ps.readUserState(userId);
2403                    if (state != null) {
2404                        return PackageParser.isAvailable(state);
2405                    }
2406                }
2407            }
2408        }
2409        return false;
2410    }
2411
2412    @Override
2413    public PackageInfo getPackageInfo(String packageName, int flags, int userId) {
2414        if (!sUserManager.exists(userId)) return null;
2415        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info");
2416        // reader
2417        synchronized (mPackages) {
2418            PackageParser.Package p = mPackages.get(packageName);
2419            if (DEBUG_PACKAGE_INFO)
2420                Log.v(TAG, "getPackageInfo " + packageName + ": " + p);
2421            if (p != null) {
2422                return generatePackageInfo(p, flags, userId);
2423            }
2424            if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
2425                return generatePackageInfoFromSettingsLPw(packageName, flags, userId);
2426            }
2427        }
2428        return null;
2429    }
2430
2431    @Override
2432    public String[] currentToCanonicalPackageNames(String[] names) {
2433        String[] out = new String[names.length];
2434        // reader
2435        synchronized (mPackages) {
2436            for (int i=names.length-1; i>=0; i--) {
2437                PackageSetting ps = mSettings.mPackages.get(names[i]);
2438                out[i] = ps != null && ps.realName != null ? ps.realName : names[i];
2439            }
2440        }
2441        return out;
2442    }
2443
2444    @Override
2445    public String[] canonicalToCurrentPackageNames(String[] names) {
2446        String[] out = new String[names.length];
2447        // reader
2448        synchronized (mPackages) {
2449            for (int i=names.length-1; i>=0; i--) {
2450                String cur = mSettings.mRenamedPackages.get(names[i]);
2451                out[i] = cur != null ? cur : names[i];
2452            }
2453        }
2454        return out;
2455    }
2456
2457    @Override
2458    public int getPackageUid(String packageName, int userId) {
2459        if (!sUserManager.exists(userId)) return -1;
2460        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid");
2461
2462        // reader
2463        synchronized (mPackages) {
2464            PackageParser.Package p = mPackages.get(packageName);
2465            if(p != null) {
2466                return UserHandle.getUid(userId, p.applicationInfo.uid);
2467            }
2468            PackageSetting ps = mSettings.mPackages.get(packageName);
2469            if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) {
2470                return -1;
2471            }
2472            p = ps.pkg;
2473            return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1;
2474        }
2475    }
2476
2477    @Override
2478    public int[] getPackageGids(String packageName, int userId) throws RemoteException {
2479        if (!sUserManager.exists(userId)) {
2480            return null;
2481        }
2482
2483        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false,
2484                "getPackageGids");
2485
2486        // reader
2487        synchronized (mPackages) {
2488            PackageParser.Package p = mPackages.get(packageName);
2489            if (DEBUG_PACKAGE_INFO) {
2490                Log.v(TAG, "getPackageGids" + packageName + ": " + p);
2491            }
2492            if (p != null) {
2493                PackageSetting ps = (PackageSetting) p.mExtras;
2494                return ps.getPermissionsState().computeGids(userId);
2495            }
2496        }
2497
2498        return null;
2499    }
2500
2501    static PermissionInfo generatePermissionInfo(
2502            BasePermission bp, int flags) {
2503        if (bp.perm != null) {
2504            return PackageParser.generatePermissionInfo(bp.perm, flags);
2505        }
2506        PermissionInfo pi = new PermissionInfo();
2507        pi.name = bp.name;
2508        pi.packageName = bp.sourcePackage;
2509        pi.nonLocalizedLabel = bp.name;
2510        pi.protectionLevel = bp.protectionLevel;
2511        return pi;
2512    }
2513
2514    @Override
2515    public PermissionInfo getPermissionInfo(String name, int flags) {
2516        // reader
2517        synchronized (mPackages) {
2518            final BasePermission p = mSettings.mPermissions.get(name);
2519            if (p != null) {
2520                return generatePermissionInfo(p, flags);
2521            }
2522            return null;
2523        }
2524    }
2525
2526    @Override
2527    public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) {
2528        // reader
2529        synchronized (mPackages) {
2530            ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10);
2531            for (BasePermission p : mSettings.mPermissions.values()) {
2532                if (group == null) {
2533                    if (p.perm == null || p.perm.info.group == null) {
2534                        out.add(generatePermissionInfo(p, flags));
2535                    }
2536                } else {
2537                    if (p.perm != null && group.equals(p.perm.info.group)) {
2538                        out.add(PackageParser.generatePermissionInfo(p.perm, flags));
2539                    }
2540                }
2541            }
2542
2543            if (out.size() > 0) {
2544                return out;
2545            }
2546            return mPermissionGroups.containsKey(group) ? out : null;
2547        }
2548    }
2549
2550    @Override
2551    public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) {
2552        // reader
2553        synchronized (mPackages) {
2554            return PackageParser.generatePermissionGroupInfo(
2555                    mPermissionGroups.get(name), flags);
2556        }
2557    }
2558
2559    @Override
2560    public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
2561        // reader
2562        synchronized (mPackages) {
2563            final int N = mPermissionGroups.size();
2564            ArrayList<PermissionGroupInfo> out
2565                    = new ArrayList<PermissionGroupInfo>(N);
2566            for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) {
2567                out.add(PackageParser.generatePermissionGroupInfo(pg, flags));
2568            }
2569            return out;
2570        }
2571    }
2572
2573    private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags,
2574            int userId) {
2575        if (!sUserManager.exists(userId)) return null;
2576        PackageSetting ps = mSettings.mPackages.get(packageName);
2577        if (ps != null) {
2578            if (ps.pkg == null) {
2579                PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName,
2580                        flags, userId);
2581                if (pInfo != null) {
2582                    return pInfo.applicationInfo;
2583                }
2584                return null;
2585            }
2586            return PackageParser.generateApplicationInfo(ps.pkg, flags,
2587                    ps.readUserState(userId), userId);
2588        }
2589        return null;
2590    }
2591
2592    private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags,
2593            int userId) {
2594        if (!sUserManager.exists(userId)) return null;
2595        PackageSetting ps = mSettings.mPackages.get(packageName);
2596        if (ps != null) {
2597            PackageParser.Package pkg = ps.pkg;
2598            if (pkg == null) {
2599                if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) {
2600                    return null;
2601                }
2602                // Only data remains, so we aren't worried about code paths
2603                pkg = new PackageParser.Package(packageName);
2604                pkg.applicationInfo.packageName = packageName;
2605                pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY;
2606                pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags;
2607                pkg.applicationInfo.dataDir = PackageManager.getDataDirForUser(ps.volumeUuid,
2608                        packageName, userId).getAbsolutePath();
2609                pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString;
2610                pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString;
2611            }
2612            return generatePackageInfo(pkg, flags, userId);
2613        }
2614        return null;
2615    }
2616
2617    @Override
2618    public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) {
2619        if (!sUserManager.exists(userId)) return null;
2620        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info");
2621        // writer
2622        synchronized (mPackages) {
2623            PackageParser.Package p = mPackages.get(packageName);
2624            if (DEBUG_PACKAGE_INFO) Log.v(
2625                    TAG, "getApplicationInfo " + packageName
2626                    + ": " + p);
2627            if (p != null) {
2628                PackageSetting ps = mSettings.mPackages.get(packageName);
2629                if (ps == null) return null;
2630                // Note: isEnabledLP() does not apply here - always return info
2631                return PackageParser.generateApplicationInfo(
2632                        p, flags, ps.readUserState(userId), userId);
2633            }
2634            if ("android".equals(packageName)||"system".equals(packageName)) {
2635                return mAndroidApplication;
2636            }
2637            if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
2638                return generateApplicationInfoFromSettingsLPw(packageName, flags, userId);
2639            }
2640        }
2641        return null;
2642    }
2643
2644    @Override
2645    public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize,
2646            final IPackageDataObserver observer) {
2647        mContext.enforceCallingOrSelfPermission(
2648                android.Manifest.permission.CLEAR_APP_CACHE, null);
2649        // Queue up an async operation since clearing cache may take a little while.
2650        mHandler.post(new Runnable() {
2651            public void run() {
2652                mHandler.removeCallbacks(this);
2653                int retCode = -1;
2654                synchronized (mInstallLock) {
2655                    retCode = mInstaller.freeCache(volumeUuid, freeStorageSize);
2656                    if (retCode < 0) {
2657                        Slog.w(TAG, "Couldn't clear application caches");
2658                    }
2659                }
2660                if (observer != null) {
2661                    try {
2662                        observer.onRemoveCompleted(null, (retCode >= 0));
2663                    } catch (RemoteException e) {
2664                        Slog.w(TAG, "RemoveException when invoking call back");
2665                    }
2666                }
2667            }
2668        });
2669    }
2670
2671    @Override
2672    public void freeStorage(final String volumeUuid, final long freeStorageSize,
2673            final IntentSender pi) {
2674        mContext.enforceCallingOrSelfPermission(
2675                android.Manifest.permission.CLEAR_APP_CACHE, null);
2676        // Queue up an async operation since clearing cache may take a little while.
2677        mHandler.post(new Runnable() {
2678            public void run() {
2679                mHandler.removeCallbacks(this);
2680                int retCode = -1;
2681                synchronized (mInstallLock) {
2682                    retCode = mInstaller.freeCache(volumeUuid, freeStorageSize);
2683                    if (retCode < 0) {
2684                        Slog.w(TAG, "Couldn't clear application caches");
2685                    }
2686                }
2687                if(pi != null) {
2688                    try {
2689                        // Callback via pending intent
2690                        int code = (retCode >= 0) ? 1 : 0;
2691                        pi.sendIntent(null, code, null,
2692                                null, null);
2693                    } catch (SendIntentException e1) {
2694                        Slog.i(TAG, "Failed to send pending intent");
2695                    }
2696                }
2697            }
2698        });
2699    }
2700
2701    void freeStorage(String volumeUuid, long freeStorageSize) throws IOException {
2702        synchronized (mInstallLock) {
2703            if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) {
2704                throw new IOException("Failed to free enough space");
2705            }
2706        }
2707    }
2708
2709    @Override
2710    public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) {
2711        if (!sUserManager.exists(userId)) return null;
2712        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info");
2713        synchronized (mPackages) {
2714            PackageParser.Activity a = mActivities.mActivities.get(component);
2715
2716            if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a);
2717            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
2718                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2719                if (ps == null) return null;
2720                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
2721                        userId);
2722            }
2723            if (mResolveComponentName.equals(component)) {
2724                return PackageParser.generateActivityInfo(mResolveActivity, flags,
2725                        new PackageUserState(), userId);
2726            }
2727        }
2728        return null;
2729    }
2730
2731    @Override
2732    public boolean activitySupportsIntent(ComponentName component, Intent intent,
2733            String resolvedType) {
2734        synchronized (mPackages) {
2735            PackageParser.Activity a = mActivities.mActivities.get(component);
2736            if (a == null) {
2737                return false;
2738            }
2739            for (int i=0; i<a.intents.size(); i++) {
2740                if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(),
2741                        intent.getData(), intent.getCategories(), TAG) >= 0) {
2742                    return true;
2743                }
2744            }
2745            return false;
2746        }
2747    }
2748
2749    @Override
2750    public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) {
2751        if (!sUserManager.exists(userId)) return null;
2752        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info");
2753        synchronized (mPackages) {
2754            PackageParser.Activity a = mReceivers.mActivities.get(component);
2755            if (DEBUG_PACKAGE_INFO) Log.v(
2756                TAG, "getReceiverInfo " + component + ": " + a);
2757            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
2758                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2759                if (ps == null) return null;
2760                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
2761                        userId);
2762            }
2763        }
2764        return null;
2765    }
2766
2767    @Override
2768    public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) {
2769        if (!sUserManager.exists(userId)) return null;
2770        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info");
2771        synchronized (mPackages) {
2772            PackageParser.Service s = mServices.mServices.get(component);
2773            if (DEBUG_PACKAGE_INFO) Log.v(
2774                TAG, "getServiceInfo " + component + ": " + s);
2775            if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) {
2776                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2777                if (ps == null) return null;
2778                return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId),
2779                        userId);
2780            }
2781        }
2782        return null;
2783    }
2784
2785    @Override
2786    public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) {
2787        if (!sUserManager.exists(userId)) return null;
2788        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info");
2789        synchronized (mPackages) {
2790            PackageParser.Provider p = mProviders.mProviders.get(component);
2791            if (DEBUG_PACKAGE_INFO) Log.v(
2792                TAG, "getProviderInfo " + component + ": " + p);
2793            if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) {
2794                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2795                if (ps == null) return null;
2796                return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId),
2797                        userId);
2798            }
2799        }
2800        return null;
2801    }
2802
2803    @Override
2804    public String[] getSystemSharedLibraryNames() {
2805        Set<String> libSet;
2806        synchronized (mPackages) {
2807            libSet = mSharedLibraries.keySet();
2808            int size = libSet.size();
2809            if (size > 0) {
2810                String[] libs = new String[size];
2811                libSet.toArray(libs);
2812                return libs;
2813            }
2814        }
2815        return null;
2816    }
2817
2818    /**
2819     * @hide
2820     */
2821    PackageParser.Package findSharedNonSystemLibrary(String libName) {
2822        synchronized (mPackages) {
2823            PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName);
2824            if (lib != null && lib.apk != null) {
2825                return mPackages.get(lib.apk);
2826            }
2827        }
2828        return null;
2829    }
2830
2831    @Override
2832    public FeatureInfo[] getSystemAvailableFeatures() {
2833        Collection<FeatureInfo> featSet;
2834        synchronized (mPackages) {
2835            featSet = mAvailableFeatures.values();
2836            int size = featSet.size();
2837            if (size > 0) {
2838                FeatureInfo[] features = new FeatureInfo[size+1];
2839                featSet.toArray(features);
2840                FeatureInfo fi = new FeatureInfo();
2841                fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version",
2842                        FeatureInfo.GL_ES_VERSION_UNDEFINED);
2843                features[size] = fi;
2844                return features;
2845            }
2846        }
2847        return null;
2848    }
2849
2850    @Override
2851    public boolean hasSystemFeature(String name) {
2852        synchronized (mPackages) {
2853            return mAvailableFeatures.containsKey(name);
2854        }
2855    }
2856
2857    private void checkValidCaller(int uid, int userId) {
2858        if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0)
2859            return;
2860
2861        throw new SecurityException("Caller uid=" + uid
2862                + " is not privileged to communicate with user=" + userId);
2863    }
2864
2865    @Override
2866    public int checkPermission(String permName, String pkgName, int userId) {
2867        if (!sUserManager.exists(userId)) {
2868            return PackageManager.PERMISSION_DENIED;
2869        }
2870
2871        synchronized (mPackages) {
2872            final PackageParser.Package p = mPackages.get(pkgName);
2873            if (p != null && p.mExtras != null) {
2874                final PackageSetting ps = (PackageSetting) p.mExtras;
2875                if (ps.getPermissionsState().hasPermission(permName, userId)) {
2876                    return PackageManager.PERMISSION_GRANTED;
2877                }
2878            }
2879        }
2880
2881        return PackageManager.PERMISSION_DENIED;
2882    }
2883
2884    @Override
2885    public int checkUidPermission(String permName, int uid) {
2886        final int userId = UserHandle.getUserId(uid);
2887
2888        if (!sUserManager.exists(userId)) {
2889            return PackageManager.PERMISSION_DENIED;
2890        }
2891
2892        synchronized (mPackages) {
2893            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
2894            if (obj != null) {
2895                final SettingBase ps = (SettingBase) obj;
2896                if (ps.getPermissionsState().hasPermission(permName, userId)) {
2897                    return PackageManager.PERMISSION_GRANTED;
2898                }
2899            } else {
2900                ArraySet<String> perms = mSystemPermissions.get(uid);
2901                if (perms != null && perms.contains(permName)) {
2902                    return PackageManager.PERMISSION_GRANTED;
2903                }
2904            }
2905        }
2906
2907        return PackageManager.PERMISSION_DENIED;
2908    }
2909
2910    /**
2911     * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS
2912     * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller.
2913     * @param checkShell TODO(yamasani):
2914     * @param message the message to log on security exception
2915     */
2916    void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission,
2917            boolean checkShell, String message) {
2918        if (userId < 0) {
2919            throw new IllegalArgumentException("Invalid userId " + userId);
2920        }
2921        if (checkShell) {
2922            enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId);
2923        }
2924        if (userId == UserHandle.getUserId(callingUid)) return;
2925        if (callingUid != Process.SYSTEM_UID && callingUid != 0) {
2926            if (requireFullPermission) {
2927                mContext.enforceCallingOrSelfPermission(
2928                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
2929            } else {
2930                try {
2931                    mContext.enforceCallingOrSelfPermission(
2932                            android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
2933                } catch (SecurityException se) {
2934                    mContext.enforceCallingOrSelfPermission(
2935                            android.Manifest.permission.INTERACT_ACROSS_USERS, message);
2936                }
2937            }
2938        }
2939    }
2940
2941    void enforceShellRestriction(String restriction, int callingUid, int userHandle) {
2942        if (callingUid == Process.SHELL_UID) {
2943            if (userHandle >= 0
2944                    && sUserManager.hasUserRestriction(restriction, userHandle)) {
2945                throw new SecurityException("Shell does not have permission to access user "
2946                        + userHandle);
2947            } else if (userHandle < 0) {
2948                Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t"
2949                        + Debug.getCallers(3));
2950            }
2951        }
2952    }
2953
2954    private BasePermission findPermissionTreeLP(String permName) {
2955        for(BasePermission bp : mSettings.mPermissionTrees.values()) {
2956            if (permName.startsWith(bp.name) &&
2957                    permName.length() > bp.name.length() &&
2958                    permName.charAt(bp.name.length()) == '.') {
2959                return bp;
2960            }
2961        }
2962        return null;
2963    }
2964
2965    private BasePermission checkPermissionTreeLP(String permName) {
2966        if (permName != null) {
2967            BasePermission bp = findPermissionTreeLP(permName);
2968            if (bp != null) {
2969                if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) {
2970                    return bp;
2971                }
2972                throw new SecurityException("Calling uid "
2973                        + Binder.getCallingUid()
2974                        + " is not allowed to add to permission tree "
2975                        + bp.name + " owned by uid " + bp.uid);
2976            }
2977        }
2978        throw new SecurityException("No permission tree found for " + permName);
2979    }
2980
2981    static boolean compareStrings(CharSequence s1, CharSequence s2) {
2982        if (s1 == null) {
2983            return s2 == null;
2984        }
2985        if (s2 == null) {
2986            return false;
2987        }
2988        if (s1.getClass() != s2.getClass()) {
2989            return false;
2990        }
2991        return s1.equals(s2);
2992    }
2993
2994    static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) {
2995        if (pi1.icon != pi2.icon) return false;
2996        if (pi1.logo != pi2.logo) return false;
2997        if (pi1.protectionLevel != pi2.protectionLevel) return false;
2998        if (!compareStrings(pi1.name, pi2.name)) return false;
2999        if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false;
3000        // We'll take care of setting this one.
3001        if (!compareStrings(pi1.packageName, pi2.packageName)) return false;
3002        // These are not currently stored in settings.
3003        //if (!compareStrings(pi1.group, pi2.group)) return false;
3004        //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false;
3005        //if (pi1.labelRes != pi2.labelRes) return false;
3006        //if (pi1.descriptionRes != pi2.descriptionRes) return false;
3007        return true;
3008    }
3009
3010    int permissionInfoFootprint(PermissionInfo info) {
3011        int size = info.name.length();
3012        if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length();
3013        if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length();
3014        return size;
3015    }
3016
3017    int calculateCurrentPermissionFootprintLocked(BasePermission tree) {
3018        int size = 0;
3019        for (BasePermission perm : mSettings.mPermissions.values()) {
3020            if (perm.uid == tree.uid) {
3021                size += perm.name.length() + permissionInfoFootprint(perm.perm.info);
3022            }
3023        }
3024        return size;
3025    }
3026
3027    void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) {
3028        // We calculate the max size of permissions defined by this uid and throw
3029        // if that plus the size of 'info' would exceed our stated maximum.
3030        if (tree.uid != Process.SYSTEM_UID) {
3031            final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree);
3032            if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) {
3033                throw new SecurityException("Permission tree size cap exceeded");
3034            }
3035        }
3036    }
3037
3038    boolean addPermissionLocked(PermissionInfo info, boolean async) {
3039        if (info.labelRes == 0 && info.nonLocalizedLabel == null) {
3040            throw new SecurityException("Label must be specified in permission");
3041        }
3042        BasePermission tree = checkPermissionTreeLP(info.name);
3043        BasePermission bp = mSettings.mPermissions.get(info.name);
3044        boolean added = bp == null;
3045        boolean changed = true;
3046        int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel);
3047        if (added) {
3048            enforcePermissionCapLocked(info, tree);
3049            bp = new BasePermission(info.name, tree.sourcePackage,
3050                    BasePermission.TYPE_DYNAMIC);
3051        } else if (bp.type != BasePermission.TYPE_DYNAMIC) {
3052            throw new SecurityException(
3053                    "Not allowed to modify non-dynamic permission "
3054                    + info.name);
3055        } else {
3056            if (bp.protectionLevel == fixedLevel
3057                    && bp.perm.owner.equals(tree.perm.owner)
3058                    && bp.uid == tree.uid
3059                    && comparePermissionInfos(bp.perm.info, info)) {
3060                changed = false;
3061            }
3062        }
3063        bp.protectionLevel = fixedLevel;
3064        info = new PermissionInfo(info);
3065        info.protectionLevel = fixedLevel;
3066        bp.perm = new PackageParser.Permission(tree.perm.owner, info);
3067        bp.perm.info.packageName = tree.perm.info.packageName;
3068        bp.uid = tree.uid;
3069        if (added) {
3070            mSettings.mPermissions.put(info.name, bp);
3071        }
3072        if (changed) {
3073            if (!async) {
3074                mSettings.writeLPr();
3075            } else {
3076                scheduleWriteSettingsLocked();
3077            }
3078        }
3079        return added;
3080    }
3081
3082    @Override
3083    public boolean addPermission(PermissionInfo info) {
3084        synchronized (mPackages) {
3085            return addPermissionLocked(info, false);
3086        }
3087    }
3088
3089    @Override
3090    public boolean addPermissionAsync(PermissionInfo info) {
3091        synchronized (mPackages) {
3092            return addPermissionLocked(info, true);
3093        }
3094    }
3095
3096    @Override
3097    public void removePermission(String name) {
3098        synchronized (mPackages) {
3099            checkPermissionTreeLP(name);
3100            BasePermission bp = mSettings.mPermissions.get(name);
3101            if (bp != null) {
3102                if (bp.type != BasePermission.TYPE_DYNAMIC) {
3103                    throw new SecurityException(
3104                            "Not allowed to modify non-dynamic permission "
3105                            + name);
3106                }
3107                mSettings.mPermissions.remove(name);
3108                mSettings.writeLPr();
3109            }
3110        }
3111    }
3112
3113    private static void enforceDeclaredAsUsedAndRuntimePermission(PackageParser.Package pkg,
3114            BasePermission bp) {
3115        int index = pkg.requestedPermissions.indexOf(bp.name);
3116        if (index == -1) {
3117            throw new SecurityException("Package " + pkg.packageName
3118                    + " has not requested permission " + bp.name);
3119        }
3120        if (!bp.isRuntime()) {
3121            throw new SecurityException("Permission " + bp.name
3122                    + " is not a changeable permission type");
3123        }
3124    }
3125
3126    @Override
3127    public boolean grantPermission(String packageName, String name, int userId) {
3128        if (!RUNTIME_PERMISSIONS_ENABLED) {
3129            return false;
3130        }
3131
3132        if (!sUserManager.exists(userId)) {
3133            return false;
3134        }
3135
3136        mContext.enforceCallingOrSelfPermission(
3137                android.Manifest.permission.GRANT_REVOKE_PERMISSIONS,
3138                "grantPermission");
3139
3140        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
3141                "grantPermission");
3142
3143        boolean gidsChanged = false;
3144        final SettingBase sb;
3145
3146        synchronized (mPackages) {
3147            final PackageParser.Package pkg = mPackages.get(packageName);
3148            if (pkg == null) {
3149                throw new IllegalArgumentException("Unknown package: " + packageName);
3150            }
3151
3152            final BasePermission bp = mSettings.mPermissions.get(name);
3153            if (bp == null) {
3154                throw new IllegalArgumentException("Unknown permission: " + name);
3155            }
3156
3157            enforceDeclaredAsUsedAndRuntimePermission(pkg, bp);
3158
3159            sb = (SettingBase) pkg.mExtras;
3160            if (sb == null) {
3161                throw new IllegalArgumentException("Unknown package: " + packageName);
3162            }
3163
3164            final PermissionsState permissionsState = sb.getPermissionsState();
3165
3166            final int result = permissionsState.grantRuntimePermission(bp, userId);
3167            switch (result) {
3168                case PermissionsState.PERMISSION_OPERATION_FAILURE: {
3169                    return false;
3170                }
3171
3172                case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: {
3173                    gidsChanged = true;
3174                } break;
3175            }
3176
3177            // Not critical if that is lost - app has to request again.
3178            mSettings.writeRuntimePermissionsForUserLPr(userId, false);
3179        }
3180
3181        if (gidsChanged) {
3182            killSettingPackagesForUser(sb, userId, KILL_APP_REASON_GIDS_CHANGED);
3183        }
3184
3185        return true;
3186    }
3187
3188    @Override
3189    public boolean revokePermission(String packageName, String name, int userId) {
3190        if (!RUNTIME_PERMISSIONS_ENABLED) {
3191            return false;
3192        }
3193
3194        if (!sUserManager.exists(userId)) {
3195            return false;
3196        }
3197
3198        mContext.enforceCallingOrSelfPermission(
3199                android.Manifest.permission.GRANT_REVOKE_PERMISSIONS,
3200                "revokePermission");
3201
3202        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
3203                "revokePermission");
3204
3205        final SettingBase sb;
3206
3207        synchronized (mPackages) {
3208            final PackageParser.Package pkg = mPackages.get(packageName);
3209            if (pkg == null) {
3210                throw new IllegalArgumentException("Unknown package: " + packageName);
3211            }
3212
3213            final BasePermission bp = mSettings.mPermissions.get(name);
3214            if (bp == null) {
3215                throw new IllegalArgumentException("Unknown permission: " + name);
3216            }
3217
3218            enforceDeclaredAsUsedAndRuntimePermission(pkg, bp);
3219
3220            sb = (SettingBase) pkg.mExtras;
3221            if (sb == null) {
3222                throw new IllegalArgumentException("Unknown package: " + packageName);
3223            }
3224
3225            final PermissionsState permissionsState = sb.getPermissionsState();
3226
3227            if (permissionsState.revokeRuntimePermission(bp, userId) ==
3228                    PermissionsState.PERMISSION_OPERATION_FAILURE) {
3229                return false;
3230            }
3231
3232            // Critical, after this call all should never have the permission.
3233            mSettings.writeRuntimePermissionsForUserLPr(userId, true);
3234        }
3235
3236        killSettingPackagesForUser(sb, userId, KILL_APP_REASON_PERMISSIONS_REVOKED);
3237
3238        return true;
3239    }
3240
3241    @Override
3242    public boolean isProtectedBroadcast(String actionName) {
3243        synchronized (mPackages) {
3244            return mProtectedBroadcasts.contains(actionName);
3245        }
3246    }
3247
3248    @Override
3249    public int checkSignatures(String pkg1, String pkg2) {
3250        synchronized (mPackages) {
3251            final PackageParser.Package p1 = mPackages.get(pkg1);
3252            final PackageParser.Package p2 = mPackages.get(pkg2);
3253            if (p1 == null || p1.mExtras == null
3254                    || p2 == null || p2.mExtras == null) {
3255                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3256            }
3257            return compareSignatures(p1.mSignatures, p2.mSignatures);
3258        }
3259    }
3260
3261    @Override
3262    public int checkUidSignatures(int uid1, int uid2) {
3263        // Map to base uids.
3264        uid1 = UserHandle.getAppId(uid1);
3265        uid2 = UserHandle.getAppId(uid2);
3266        // reader
3267        synchronized (mPackages) {
3268            Signature[] s1;
3269            Signature[] s2;
3270            Object obj = mSettings.getUserIdLPr(uid1);
3271            if (obj != null) {
3272                if (obj instanceof SharedUserSetting) {
3273                    s1 = ((SharedUserSetting)obj).signatures.mSignatures;
3274                } else if (obj instanceof PackageSetting) {
3275                    s1 = ((PackageSetting)obj).signatures.mSignatures;
3276                } else {
3277                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3278                }
3279            } else {
3280                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3281            }
3282            obj = mSettings.getUserIdLPr(uid2);
3283            if (obj != null) {
3284                if (obj instanceof SharedUserSetting) {
3285                    s2 = ((SharedUserSetting)obj).signatures.mSignatures;
3286                } else if (obj instanceof PackageSetting) {
3287                    s2 = ((PackageSetting)obj).signatures.mSignatures;
3288                } else {
3289                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3290                }
3291            } else {
3292                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3293            }
3294            return compareSignatures(s1, s2);
3295        }
3296    }
3297
3298    private void killSettingPackagesForUser(SettingBase sb, int userId, String reason) {
3299        final long identity = Binder.clearCallingIdentity();
3300        try {
3301            if (sb instanceof SharedUserSetting) {
3302                SharedUserSetting sus = (SharedUserSetting) sb;
3303                final int packageCount = sus.packages.size();
3304                for (int i = 0; i < packageCount; i++) {
3305                    PackageSetting susPs = sus.packages.valueAt(i);
3306                    if (userId == UserHandle.USER_ALL) {
3307                        killApplication(susPs.pkg.packageName, susPs.appId, reason);
3308                    } else {
3309                        final int uid = UserHandle.getUid(userId, susPs.appId);
3310                        killUid(uid, reason);
3311                    }
3312                }
3313            } else if (sb instanceof PackageSetting) {
3314                PackageSetting ps = (PackageSetting) sb;
3315                if (userId == UserHandle.USER_ALL) {
3316                    killApplication(ps.pkg.packageName, ps.appId, reason);
3317                } else {
3318                    final int uid = UserHandle.getUid(userId, ps.appId);
3319                    killUid(uid, reason);
3320                }
3321            }
3322        } finally {
3323            Binder.restoreCallingIdentity(identity);
3324        }
3325    }
3326
3327    private static void killUid(int uid, String reason) {
3328        IActivityManager am = ActivityManagerNative.getDefault();
3329        if (am != null) {
3330            try {
3331                am.killUid(uid, reason);
3332            } catch (RemoteException e) {
3333                /* ignore - same process */
3334            }
3335        }
3336    }
3337
3338    /**
3339     * Compares two sets of signatures. Returns:
3340     * <br />
3341     * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null,
3342     * <br />
3343     * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null,
3344     * <br />
3345     * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null,
3346     * <br />
3347     * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical,
3348     * <br />
3349     * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ.
3350     */
3351    static int compareSignatures(Signature[] s1, Signature[] s2) {
3352        if (s1 == null) {
3353            return s2 == null
3354                    ? PackageManager.SIGNATURE_NEITHER_SIGNED
3355                    : PackageManager.SIGNATURE_FIRST_NOT_SIGNED;
3356        }
3357
3358        if (s2 == null) {
3359            return PackageManager.SIGNATURE_SECOND_NOT_SIGNED;
3360        }
3361
3362        if (s1.length != s2.length) {
3363            return PackageManager.SIGNATURE_NO_MATCH;
3364        }
3365
3366        // Since both signature sets are of size 1, we can compare without HashSets.
3367        if (s1.length == 1) {
3368            return s1[0].equals(s2[0]) ?
3369                    PackageManager.SIGNATURE_MATCH :
3370                    PackageManager.SIGNATURE_NO_MATCH;
3371        }
3372
3373        ArraySet<Signature> set1 = new ArraySet<Signature>();
3374        for (Signature sig : s1) {
3375            set1.add(sig);
3376        }
3377        ArraySet<Signature> set2 = new ArraySet<Signature>();
3378        for (Signature sig : s2) {
3379            set2.add(sig);
3380        }
3381        // Make sure s2 contains all signatures in s1.
3382        if (set1.equals(set2)) {
3383            return PackageManager.SIGNATURE_MATCH;
3384        }
3385        return PackageManager.SIGNATURE_NO_MATCH;
3386    }
3387
3388    /**
3389     * If the database version for this type of package (internal storage or
3390     * external storage) is less than the version where package signatures
3391     * were updated, return true.
3392     */
3393    private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) {
3394        return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan(
3395                DatabaseVersion.SIGNATURE_END_ENTITY))
3396                || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan(
3397                        DatabaseVersion.SIGNATURE_END_ENTITY));
3398    }
3399
3400    /**
3401     * Used for backward compatibility to make sure any packages with
3402     * certificate chains get upgraded to the new style. {@code existingSigs}
3403     * will be in the old format (since they were stored on disk from before the
3404     * system upgrade) and {@code scannedSigs} will be in the newer format.
3405     */
3406    private int compareSignaturesCompat(PackageSignatures existingSigs,
3407            PackageParser.Package scannedPkg) {
3408        if (!isCompatSignatureUpdateNeeded(scannedPkg)) {
3409            return PackageManager.SIGNATURE_NO_MATCH;
3410        }
3411
3412        ArraySet<Signature> existingSet = new ArraySet<Signature>();
3413        for (Signature sig : existingSigs.mSignatures) {
3414            existingSet.add(sig);
3415        }
3416        ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>();
3417        for (Signature sig : scannedPkg.mSignatures) {
3418            try {
3419                Signature[] chainSignatures = sig.getChainSignatures();
3420                for (Signature chainSig : chainSignatures) {
3421                    scannedCompatSet.add(chainSig);
3422                }
3423            } catch (CertificateEncodingException e) {
3424                scannedCompatSet.add(sig);
3425            }
3426        }
3427        /*
3428         * Make sure the expanded scanned set contains all signatures in the
3429         * existing one.
3430         */
3431        if (scannedCompatSet.equals(existingSet)) {
3432            // Migrate the old signatures to the new scheme.
3433            existingSigs.assignSignatures(scannedPkg.mSignatures);
3434            // The new KeySets will be re-added later in the scanning process.
3435            synchronized (mPackages) {
3436                mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName);
3437            }
3438            return PackageManager.SIGNATURE_MATCH;
3439        }
3440        return PackageManager.SIGNATURE_NO_MATCH;
3441    }
3442
3443    private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) {
3444        if (isExternal(scannedPkg)) {
3445            return mSettings.isExternalDatabaseVersionOlderThan(
3446                    DatabaseVersion.SIGNATURE_MALFORMED_RECOVER);
3447        } else {
3448            return mSettings.isInternalDatabaseVersionOlderThan(
3449                    DatabaseVersion.SIGNATURE_MALFORMED_RECOVER);
3450        }
3451    }
3452
3453    private int compareSignaturesRecover(PackageSignatures existingSigs,
3454            PackageParser.Package scannedPkg) {
3455        if (!isRecoverSignatureUpdateNeeded(scannedPkg)) {
3456            return PackageManager.SIGNATURE_NO_MATCH;
3457        }
3458
3459        String msg = null;
3460        try {
3461            if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) {
3462                logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for "
3463                        + scannedPkg.packageName);
3464                return PackageManager.SIGNATURE_MATCH;
3465            }
3466        } catch (CertificateException e) {
3467            msg = e.getMessage();
3468        }
3469
3470        logCriticalInfo(Log.INFO,
3471                "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg);
3472        return PackageManager.SIGNATURE_NO_MATCH;
3473    }
3474
3475    @Override
3476    public String[] getPackagesForUid(int uid) {
3477        uid = UserHandle.getAppId(uid);
3478        // reader
3479        synchronized (mPackages) {
3480            Object obj = mSettings.getUserIdLPr(uid);
3481            if (obj instanceof SharedUserSetting) {
3482                final SharedUserSetting sus = (SharedUserSetting) obj;
3483                final int N = sus.packages.size();
3484                final String[] res = new String[N];
3485                final Iterator<PackageSetting> it = sus.packages.iterator();
3486                int i = 0;
3487                while (it.hasNext()) {
3488                    res[i++] = it.next().name;
3489                }
3490                return res;
3491            } else if (obj instanceof PackageSetting) {
3492                final PackageSetting ps = (PackageSetting) obj;
3493                return new String[] { ps.name };
3494            }
3495        }
3496        return null;
3497    }
3498
3499    @Override
3500    public String getNameForUid(int uid) {
3501        // reader
3502        synchronized (mPackages) {
3503            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
3504            if (obj instanceof SharedUserSetting) {
3505                final SharedUserSetting sus = (SharedUserSetting) obj;
3506                return sus.name + ":" + sus.userId;
3507            } else if (obj instanceof PackageSetting) {
3508                final PackageSetting ps = (PackageSetting) obj;
3509                return ps.name;
3510            }
3511        }
3512        return null;
3513    }
3514
3515    @Override
3516    public int getUidForSharedUser(String sharedUserName) {
3517        if(sharedUserName == null) {
3518            return -1;
3519        }
3520        // reader
3521        synchronized (mPackages) {
3522            final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false);
3523            if (suid == null) {
3524                return -1;
3525            }
3526            return suid.userId;
3527        }
3528    }
3529
3530    @Override
3531    public int getFlagsForUid(int uid) {
3532        synchronized (mPackages) {
3533            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
3534            if (obj instanceof SharedUserSetting) {
3535                final SharedUserSetting sus = (SharedUserSetting) obj;
3536                return sus.pkgFlags;
3537            } else if (obj instanceof PackageSetting) {
3538                final PackageSetting ps = (PackageSetting) obj;
3539                return ps.pkgFlags;
3540            }
3541        }
3542        return 0;
3543    }
3544
3545    @Override
3546    public int getPrivateFlagsForUid(int uid) {
3547        synchronized (mPackages) {
3548            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
3549            if (obj instanceof SharedUserSetting) {
3550                final SharedUserSetting sus = (SharedUserSetting) obj;
3551                return sus.pkgPrivateFlags;
3552            } else if (obj instanceof PackageSetting) {
3553                final PackageSetting ps = (PackageSetting) obj;
3554                return ps.pkgPrivateFlags;
3555            }
3556        }
3557        return 0;
3558    }
3559
3560    @Override
3561    public boolean isUidPrivileged(int uid) {
3562        uid = UserHandle.getAppId(uid);
3563        // reader
3564        synchronized (mPackages) {
3565            Object obj = mSettings.getUserIdLPr(uid);
3566            if (obj instanceof SharedUserSetting) {
3567                final SharedUserSetting sus = (SharedUserSetting) obj;
3568                final Iterator<PackageSetting> it = sus.packages.iterator();
3569                while (it.hasNext()) {
3570                    if (it.next().isPrivileged()) {
3571                        return true;
3572                    }
3573                }
3574            } else if (obj instanceof PackageSetting) {
3575                final PackageSetting ps = (PackageSetting) obj;
3576                return ps.isPrivileged();
3577            }
3578        }
3579        return false;
3580    }
3581
3582    @Override
3583    public String[] getAppOpPermissionPackages(String permissionName) {
3584        synchronized (mPackages) {
3585            ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName);
3586            if (pkgs == null) {
3587                return null;
3588            }
3589            return pkgs.toArray(new String[pkgs.size()]);
3590        }
3591    }
3592
3593    @Override
3594    public ResolveInfo resolveIntent(Intent intent, String resolvedType,
3595            int flags, int userId) {
3596        if (!sUserManager.exists(userId)) return null;
3597        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent");
3598        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
3599        return chooseBestActivity(intent, resolvedType, flags, query, userId);
3600    }
3601
3602    @Override
3603    public void setLastChosenActivity(Intent intent, String resolvedType, int flags,
3604            IntentFilter filter, int match, ComponentName activity) {
3605        final int userId = UserHandle.getCallingUserId();
3606        if (DEBUG_PREFERRED) {
3607            Log.v(TAG, "setLastChosenActivity intent=" + intent
3608                + " resolvedType=" + resolvedType
3609                + " flags=" + flags
3610                + " filter=" + filter
3611                + " match=" + match
3612                + " activity=" + activity);
3613            filter.dump(new PrintStreamPrinter(System.out), "    ");
3614        }
3615        intent.setComponent(null);
3616        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
3617        // Find any earlier preferred or last chosen entries and nuke them
3618        findPreferredActivity(intent, resolvedType,
3619                flags, query, 0, false, true, false, userId);
3620        // Add the new activity as the last chosen for this filter
3621        addPreferredActivityInternal(filter, match, null, activity, false, userId,
3622                "Setting last chosen");
3623    }
3624
3625    @Override
3626    public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) {
3627        final int userId = UserHandle.getCallingUserId();
3628        if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent);
3629        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
3630        return findPreferredActivity(intent, resolvedType, flags, query, 0,
3631                false, false, false, userId);
3632    }
3633
3634    private ResolveInfo chooseBestActivity(Intent intent, String resolvedType,
3635            int flags, List<ResolveInfo> query, int userId) {
3636        if (query != null) {
3637            final int N = query.size();
3638            if (N == 1) {
3639                return query.get(0);
3640            } else if (N > 1) {
3641                final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0);
3642                // If there is more than one activity with the same priority,
3643                // then let the user decide between them.
3644                ResolveInfo r0 = query.get(0);
3645                ResolveInfo r1 = query.get(1);
3646                if (DEBUG_INTENT_MATCHING || debug) {
3647                    Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs "
3648                            + r1.activityInfo.name + "=" + r1.priority);
3649                }
3650                // If the first activity has a higher priority, or a different
3651                // default, then it is always desireable to pick it.
3652                if (r0.priority != r1.priority
3653                        || r0.preferredOrder != r1.preferredOrder
3654                        || r0.isDefault != r1.isDefault) {
3655                    return query.get(0);
3656                }
3657                // If we have saved a preference for a preferred activity for
3658                // this Intent, use that.
3659                ResolveInfo ri = findPreferredActivity(intent, resolvedType,
3660                        flags, query, r0.priority, true, false, debug, userId);
3661                if (ri != null) {
3662                    return ri;
3663                }
3664                if (userId != 0) {
3665                    ri = new ResolveInfo(mResolveInfo);
3666                    ri.activityInfo = new ActivityInfo(ri.activityInfo);
3667                    ri.activityInfo.applicationInfo = new ApplicationInfo(
3668                            ri.activityInfo.applicationInfo);
3669                    ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId,
3670                            UserHandle.getAppId(ri.activityInfo.applicationInfo.uid));
3671                    return ri;
3672                }
3673                return mResolveInfo;
3674            }
3675        }
3676        return null;
3677    }
3678
3679    private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType,
3680            int flags, List<ResolveInfo> query, boolean debug, int userId) {
3681        final int N = query.size();
3682        PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
3683                .get(userId);
3684        // Get the list of persistent preferred activities that handle the intent
3685        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities...");
3686        List<PersistentPreferredActivity> pprefs = ppir != null
3687                ? ppir.queryIntent(intent, resolvedType,
3688                        (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
3689                : null;
3690        if (pprefs != null && pprefs.size() > 0) {
3691            final int M = pprefs.size();
3692            for (int i=0; i<M; i++) {
3693                final PersistentPreferredActivity ppa = pprefs.get(i);
3694                if (DEBUG_PREFERRED || debug) {
3695                    Slog.v(TAG, "Checking PersistentPreferredActivity ds="
3696                            + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>")
3697                            + "\n  component=" + ppa.mComponent);
3698                    ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3699                }
3700                final ActivityInfo ai = getActivityInfo(ppa.mComponent,
3701                        flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
3702                if (DEBUG_PREFERRED || debug) {
3703                    Slog.v(TAG, "Found persistent preferred activity:");
3704                    if (ai != null) {
3705                        ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3706                    } else {
3707                        Slog.v(TAG, "  null");
3708                    }
3709                }
3710                if (ai == null) {
3711                    // This previously registered persistent preferred activity
3712                    // component is no longer known. Ignore it and do NOT remove it.
3713                    continue;
3714                }
3715                for (int j=0; j<N; j++) {
3716                    final ResolveInfo ri = query.get(j);
3717                    if (!ri.activityInfo.applicationInfo.packageName
3718                            .equals(ai.applicationInfo.packageName)) {
3719                        continue;
3720                    }
3721                    if (!ri.activityInfo.name.equals(ai.name)) {
3722                        continue;
3723                    }
3724                    //  Found a persistent preference that can handle the intent.
3725                    if (DEBUG_PREFERRED || debug) {
3726                        Slog.v(TAG, "Returning persistent preferred activity: " +
3727                                ri.activityInfo.packageName + "/" + ri.activityInfo.name);
3728                    }
3729                    return ri;
3730                }
3731            }
3732        }
3733        return null;
3734    }
3735
3736    ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags,
3737            List<ResolveInfo> query, int priority, boolean always,
3738            boolean removeMatches, boolean debug, int userId) {
3739        if (!sUserManager.exists(userId)) return null;
3740        // writer
3741        synchronized (mPackages) {
3742            if (intent.getSelector() != null) {
3743                intent = intent.getSelector();
3744            }
3745            if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION);
3746
3747            // Try to find a matching persistent preferred activity.
3748            ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query,
3749                    debug, userId);
3750
3751            // If a persistent preferred activity matched, use it.
3752            if (pri != null) {
3753                return pri;
3754            }
3755
3756            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
3757            // Get the list of preferred activities that handle the intent
3758            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities...");
3759            List<PreferredActivity> prefs = pir != null
3760                    ? pir.queryIntent(intent, resolvedType,
3761                            (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
3762                    : null;
3763            if (prefs != null && prefs.size() > 0) {
3764                boolean changed = false;
3765                try {
3766                    // First figure out how good the original match set is.
3767                    // We will only allow preferred activities that came
3768                    // from the same match quality.
3769                    int match = 0;
3770
3771                    if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match...");
3772
3773                    final int N = query.size();
3774                    for (int j=0; j<N; j++) {
3775                        final ResolveInfo ri = query.get(j);
3776                        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo
3777                                + ": 0x" + Integer.toHexString(match));
3778                        if (ri.match > match) {
3779                            match = ri.match;
3780                        }
3781                    }
3782
3783                    if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x"
3784                            + Integer.toHexString(match));
3785
3786                    match &= IntentFilter.MATCH_CATEGORY_MASK;
3787                    final int M = prefs.size();
3788                    for (int i=0; i<M; i++) {
3789                        final PreferredActivity pa = prefs.get(i);
3790                        if (DEBUG_PREFERRED || debug) {
3791                            Slog.v(TAG, "Checking PreferredActivity ds="
3792                                    + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>")
3793                                    + "\n  component=" + pa.mPref.mComponent);
3794                            pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3795                        }
3796                        if (pa.mPref.mMatch != match) {
3797                            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match "
3798                                    + Integer.toHexString(pa.mPref.mMatch));
3799                            continue;
3800                        }
3801                        // If it's not an "always" type preferred activity and that's what we're
3802                        // looking for, skip it.
3803                        if (always && !pa.mPref.mAlways) {
3804                            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry");
3805                            continue;
3806                        }
3807                        final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent,
3808                                flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
3809                        if (DEBUG_PREFERRED || debug) {
3810                            Slog.v(TAG, "Found preferred activity:");
3811                            if (ai != null) {
3812                                ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3813                            } else {
3814                                Slog.v(TAG, "  null");
3815                            }
3816                        }
3817                        if (ai == null) {
3818                            // This previously registered preferred activity
3819                            // component is no longer known.  Most likely an update
3820                            // to the app was installed and in the new version this
3821                            // component no longer exists.  Clean it up by removing
3822                            // it from the preferred activities list, and skip it.
3823                            Slog.w(TAG, "Removing dangling preferred activity: "
3824                                    + pa.mPref.mComponent);
3825                            pir.removeFilter(pa);
3826                            changed = true;
3827                            continue;
3828                        }
3829                        for (int j=0; j<N; j++) {
3830                            final ResolveInfo ri = query.get(j);
3831                            if (!ri.activityInfo.applicationInfo.packageName
3832                                    .equals(ai.applicationInfo.packageName)) {
3833                                continue;
3834                            }
3835                            if (!ri.activityInfo.name.equals(ai.name)) {
3836                                continue;
3837                            }
3838
3839                            if (removeMatches) {
3840                                pir.removeFilter(pa);
3841                                changed = true;
3842                                if (DEBUG_PREFERRED) {
3843                                    Slog.v(TAG, "Removing match " + pa.mPref.mComponent);
3844                                }
3845                                break;
3846                            }
3847
3848                            // Okay we found a previously set preferred or last chosen app.
3849                            // If the result set is different from when this
3850                            // was created, we need to clear it and re-ask the
3851                            // user their preference, if we're looking for an "always" type entry.
3852                            if (always && !pa.mPref.sameSet(query)) {
3853                                Slog.i(TAG, "Result set changed, dropping preferred activity for "
3854                                        + intent + " type " + resolvedType);
3855                                if (DEBUG_PREFERRED) {
3856                                    Slog.v(TAG, "Removing preferred activity since set changed "
3857                                            + pa.mPref.mComponent);
3858                                }
3859                                pir.removeFilter(pa);
3860                                // Re-add the filter as a "last chosen" entry (!always)
3861                                PreferredActivity lastChosen = new PreferredActivity(
3862                                        pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false);
3863                                pir.addFilter(lastChosen);
3864                                changed = true;
3865                                return null;
3866                            }
3867
3868                            // Yay! Either the set matched or we're looking for the last chosen
3869                            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: "
3870                                    + ri.activityInfo.packageName + "/" + ri.activityInfo.name);
3871                            return ri;
3872                        }
3873                    }
3874                } finally {
3875                    if (changed) {
3876                        if (DEBUG_PREFERRED) {
3877                            Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions");
3878                        }
3879                        scheduleWritePackageRestrictionsLocked(userId);
3880                    }
3881                }
3882            }
3883        }
3884        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return");
3885        return null;
3886    }
3887
3888    /*
3889     * Returns if intent can be forwarded from the sourceUserId to the targetUserId
3890     */
3891    @Override
3892    public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId,
3893            int targetUserId) {
3894        mContext.enforceCallingOrSelfPermission(
3895                android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
3896        List<CrossProfileIntentFilter> matches =
3897                getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId);
3898        if (matches != null) {
3899            int size = matches.size();
3900            for (int i = 0; i < size; i++) {
3901                if (matches.get(i).getTargetUserId() == targetUserId) return true;
3902            }
3903        }
3904        return false;
3905    }
3906
3907    private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent,
3908            String resolvedType, int userId) {
3909        CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId);
3910        if (resolver != null) {
3911            return resolver.queryIntent(intent, resolvedType, false, userId);
3912        }
3913        return null;
3914    }
3915
3916    @Override
3917    public List<ResolveInfo> queryIntentActivities(Intent intent,
3918            String resolvedType, int flags, int userId) {
3919        if (!sUserManager.exists(userId)) return Collections.emptyList();
3920        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities");
3921        ComponentName comp = intent.getComponent();
3922        if (comp == null) {
3923            if (intent.getSelector() != null) {
3924                intent = intent.getSelector();
3925                comp = intent.getComponent();
3926            }
3927        }
3928
3929        if (comp != null) {
3930            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3931            final ActivityInfo ai = getActivityInfo(comp, flags, userId);
3932            if (ai != null) {
3933                final ResolveInfo ri = new ResolveInfo();
3934                ri.activityInfo = ai;
3935                list.add(ri);
3936            }
3937            return list;
3938        }
3939
3940        // reader
3941        synchronized (mPackages) {
3942            final String pkgName = intent.getPackage();
3943            if (pkgName == null) {
3944                List<CrossProfileIntentFilter> matchingFilters =
3945                        getMatchingCrossProfileIntentFilters(intent, resolvedType, userId);
3946                // Check for results that need to skip the current profile.
3947                ResolveInfo resolveInfo  = querySkipCurrentProfileIntents(matchingFilters, intent,
3948                        resolvedType, flags, userId);
3949                if (resolveInfo != null && isUserEnabled(resolveInfo.targetUserId)) {
3950                    List<ResolveInfo> result = new ArrayList<ResolveInfo>(1);
3951                    result.add(resolveInfo);
3952                    return filterIfNotPrimaryUser(result, userId);
3953                }
3954
3955                // Check for results in the current profile.
3956                List<ResolveInfo> result = mActivities.queryIntent(
3957                        intent, resolvedType, flags, userId);
3958
3959                // Check for cross profile results.
3960                resolveInfo = queryCrossProfileIntents(
3961                        matchingFilters, intent, resolvedType, flags, userId);
3962                if (resolveInfo != null && isUserEnabled(resolveInfo.targetUserId)) {
3963                    result.add(resolveInfo);
3964                    Collections.sort(result, mResolvePrioritySorter);
3965                }
3966                result = filterIfNotPrimaryUser(result, userId);
3967                if (result.size() > 1 && hasWebURI(intent)) {
3968                    return filterCandidatesWithDomainPreferedActivitiesLPr(flags, result);
3969                }
3970                return result;
3971            }
3972            final PackageParser.Package pkg = mPackages.get(pkgName);
3973            if (pkg != null) {
3974                return filterIfNotPrimaryUser(
3975                        mActivities.queryIntentForPackage(
3976                                intent, resolvedType, flags, pkg.activities, userId),
3977                        userId);
3978            }
3979            return new ArrayList<ResolveInfo>();
3980        }
3981    }
3982
3983    private boolean isUserEnabled(int userId) {
3984        long callingId = Binder.clearCallingIdentity();
3985        try {
3986            UserInfo userInfo = sUserManager.getUserInfo(userId);
3987            return userInfo != null && userInfo.isEnabled();
3988        } finally {
3989            Binder.restoreCallingIdentity(callingId);
3990        }
3991    }
3992
3993    /**
3994     * Filter out activities with primaryUserOnly flag set, when current user is not the owner.
3995     *
3996     * @return filtered list
3997     */
3998    private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) {
3999        if (userId == UserHandle.USER_OWNER) {
4000            return resolveInfos;
4001        }
4002        for (int i = resolveInfos.size() - 1; i >= 0; i--) {
4003            ResolveInfo info = resolveInfos.get(i);
4004            if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) {
4005                resolveInfos.remove(i);
4006            }
4007        }
4008        return resolveInfos;
4009    }
4010
4011    private static boolean hasWebURI(Intent intent) {
4012        if (intent.getData() == null) {
4013            return false;
4014        }
4015        final String scheme = intent.getScheme();
4016        if (TextUtils.isEmpty(scheme)) {
4017            return false;
4018        }
4019        return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS);
4020    }
4021
4022    private List<ResolveInfo> filterCandidatesWithDomainPreferedActivitiesLPr(
4023            int flags, List<ResolveInfo> candidates) {
4024        if (DEBUG_PREFERRED) {
4025            Slog.v("TAG", "Filtering results with prefered activities. Candidates count: " +
4026                    candidates.size());
4027        }
4028
4029        final int userId = UserHandle.getCallingUserId();
4030        ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>();
4031        ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>();
4032        ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>();
4033        ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>();
4034
4035        synchronized (mPackages) {
4036            final int count = candidates.size();
4037            // First, try to use the domain prefered App
4038            for (int n=0; n<count; n++) {
4039                ResolveInfo info = candidates.get(n);
4040                String packageName = info.activityInfo.packageName;
4041                PackageSetting ps = mSettings.mPackages.get(packageName);
4042                if (ps != null) {
4043                    // Add to the special match all list (Browser use case)
4044                    if (info.handleAllWebDataURI) {
4045                        matchAllList.add(info);
4046                        continue;
4047                    }
4048                    // Try to get the status from User settings first
4049                    int status = getDomainVerificationStatusLPr(ps, userId);
4050                    if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) {
4051                        result.add(info);
4052                    } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) {
4053                        neverList.add(info);
4054                    } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) {
4055                        undefinedList.add(info);
4056                    }
4057                }
4058            }
4059            // If there is nothing selected, add all candidates and remove the ones that the User
4060            // has explicitely put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state and
4061            // also remove any Browser Apps ones.
4062            // If there is still none after this pass, add all undefined one and Browser Apps and
4063            // let the User decide with the Disambiguation dialog if there are several ones.
4064            if (result.size() == 0) {
4065                result.addAll(candidates);
4066            }
4067            result.removeAll(neverList);
4068            result.removeAll(matchAllList);
4069            if (result.size() == 0) {
4070                result.addAll(undefinedList);
4071                if ((flags & MATCH_ALL) != 0) {
4072                    result.addAll(matchAllList);
4073                } else {
4074                    // Try to add the Default Browser if we can
4075                    final String defaultBrowserPackageName = getDefaultBrowserPackageName(
4076                            UserHandle.myUserId());
4077                    if (!TextUtils.isEmpty(defaultBrowserPackageName)) {
4078                        boolean defaultBrowserFound = false;
4079                        final int browserCount = matchAllList.size();
4080                        for (int n=0; n<browserCount; n++) {
4081                            ResolveInfo browser = matchAllList.get(n);
4082                            if (browser.activityInfo.packageName.equals(defaultBrowserPackageName)) {
4083                                result.add(browser);
4084                                defaultBrowserFound = true;
4085                                break;
4086                            }
4087                        }
4088                        if (!defaultBrowserFound) {
4089                            result.addAll(matchAllList);
4090                        }
4091                    } else {
4092                        result.addAll(matchAllList);
4093                    }
4094                }
4095            }
4096        }
4097        if (DEBUG_PREFERRED) {
4098            Slog.v("TAG", "Filtered results with prefered activities. New candidates count: " +
4099                    result.size());
4100        }
4101        return result;
4102    }
4103
4104    private int getDomainVerificationStatusLPr(PackageSetting ps, int userId) {
4105        int status = ps.getDomainVerificationStatusForUser(userId);
4106        // if none available, get the master status
4107        if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) {
4108            if (ps.getIntentFilterVerificationInfo() != null) {
4109                status = ps.getIntentFilterVerificationInfo().getStatus();
4110            }
4111        }
4112        return status;
4113    }
4114
4115    private ResolveInfo querySkipCurrentProfileIntents(
4116            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
4117            int flags, int sourceUserId) {
4118        if (matchingFilters != null) {
4119            int size = matchingFilters.size();
4120            for (int i = 0; i < size; i ++) {
4121                CrossProfileIntentFilter filter = matchingFilters.get(i);
4122                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) {
4123                    // Checking if there are activities in the target user that can handle the
4124                    // intent.
4125                    ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
4126                            flags, sourceUserId);
4127                    if (resolveInfo != null) {
4128                        return resolveInfo;
4129                    }
4130                }
4131            }
4132        }
4133        return null;
4134    }
4135
4136    // Return matching ResolveInfo if any for skip current profile intent filters.
4137    private ResolveInfo queryCrossProfileIntents(
4138            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
4139            int flags, int sourceUserId) {
4140        if (matchingFilters != null) {
4141            // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and
4142            // match the same intent. For performance reasons, it is better not to
4143            // run queryIntent twice for the same userId
4144            SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray();
4145            int size = matchingFilters.size();
4146            for (int i = 0; i < size; i++) {
4147                CrossProfileIntentFilter filter = matchingFilters.get(i);
4148                int targetUserId = filter.getTargetUserId();
4149                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0
4150                        && !alreadyTriedUserIds.get(targetUserId)) {
4151                    // Checking if there are activities in the target user that can handle the
4152                    // intent.
4153                    ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
4154                            flags, sourceUserId);
4155                    if (resolveInfo != null) return resolveInfo;
4156                    alreadyTriedUserIds.put(targetUserId, true);
4157                }
4158            }
4159        }
4160        return null;
4161    }
4162
4163    private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent,
4164            String resolvedType, int flags, int sourceUserId) {
4165        List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent,
4166                resolvedType, flags, filter.getTargetUserId());
4167        if (resultTargetUser != null && !resultTargetUser.isEmpty()) {
4168            return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId());
4169        }
4170        return null;
4171    }
4172
4173    private ResolveInfo createForwardingResolveInfo(IntentFilter filter,
4174            int sourceUserId, int targetUserId) {
4175        ResolveInfo forwardingResolveInfo = new ResolveInfo();
4176        String className;
4177        if (targetUserId == UserHandle.USER_OWNER) {
4178            className = FORWARD_INTENT_TO_USER_OWNER;
4179        } else {
4180            className = FORWARD_INTENT_TO_MANAGED_PROFILE;
4181        }
4182        ComponentName forwardingActivityComponentName = new ComponentName(
4183                mAndroidApplication.packageName, className);
4184        ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0,
4185                sourceUserId);
4186        if (targetUserId == UserHandle.USER_OWNER) {
4187            forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER;
4188            forwardingResolveInfo.noResourceId = true;
4189        }
4190        forwardingResolveInfo.activityInfo = forwardingActivityInfo;
4191        forwardingResolveInfo.priority = 0;
4192        forwardingResolveInfo.preferredOrder = 0;
4193        forwardingResolveInfo.match = 0;
4194        forwardingResolveInfo.isDefault = true;
4195        forwardingResolveInfo.filter = filter;
4196        forwardingResolveInfo.targetUserId = targetUserId;
4197        return forwardingResolveInfo;
4198    }
4199
4200    @Override
4201    public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller,
4202            Intent[] specifics, String[] specificTypes, Intent intent,
4203            String resolvedType, int flags, int userId) {
4204        if (!sUserManager.exists(userId)) return Collections.emptyList();
4205        enforceCrossUserPermission(Binder.getCallingUid(), userId, false,
4206                false, "query intent activity options");
4207        final String resultsAction = intent.getAction();
4208
4209        List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags
4210                | PackageManager.GET_RESOLVED_FILTER, userId);
4211
4212        if (DEBUG_INTENT_MATCHING) {
4213            Log.v(TAG, "Query " + intent + ": " + results);
4214        }
4215
4216        int specificsPos = 0;
4217        int N;
4218
4219        // todo: note that the algorithm used here is O(N^2).  This
4220        // isn't a problem in our current environment, but if we start running
4221        // into situations where we have more than 5 or 10 matches then this
4222        // should probably be changed to something smarter...
4223
4224        // First we go through and resolve each of the specific items
4225        // that were supplied, taking care of removing any corresponding
4226        // duplicate items in the generic resolve list.
4227        if (specifics != null) {
4228            for (int i=0; i<specifics.length; i++) {
4229                final Intent sintent = specifics[i];
4230                if (sintent == null) {
4231                    continue;
4232                }
4233
4234                if (DEBUG_INTENT_MATCHING) {
4235                    Log.v(TAG, "Specific #" + i + ": " + sintent);
4236                }
4237
4238                String action = sintent.getAction();
4239                if (resultsAction != null && resultsAction.equals(action)) {
4240                    // If this action was explicitly requested, then don't
4241                    // remove things that have it.
4242                    action = null;
4243                }
4244
4245                ResolveInfo ri = null;
4246                ActivityInfo ai = null;
4247
4248                ComponentName comp = sintent.getComponent();
4249                if (comp == null) {
4250                    ri = resolveIntent(
4251                        sintent,
4252                        specificTypes != null ? specificTypes[i] : null,
4253                            flags, userId);
4254                    if (ri == null) {
4255                        continue;
4256                    }
4257                    if (ri == mResolveInfo) {
4258                        // ACK!  Must do something better with this.
4259                    }
4260                    ai = ri.activityInfo;
4261                    comp = new ComponentName(ai.applicationInfo.packageName,
4262                            ai.name);
4263                } else {
4264                    ai = getActivityInfo(comp, flags, userId);
4265                    if (ai == null) {
4266                        continue;
4267                    }
4268                }
4269
4270                // Look for any generic query activities that are duplicates
4271                // of this specific one, and remove them from the results.
4272                if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai);
4273                N = results.size();
4274                int j;
4275                for (j=specificsPos; j<N; j++) {
4276                    ResolveInfo sri = results.get(j);
4277                    if ((sri.activityInfo.name.equals(comp.getClassName())
4278                            && sri.activityInfo.applicationInfo.packageName.equals(
4279                                    comp.getPackageName()))
4280                        || (action != null && sri.filter.matchAction(action))) {
4281                        results.remove(j);
4282                        if (DEBUG_INTENT_MATCHING) Log.v(
4283                            TAG, "Removing duplicate item from " + j
4284                            + " due to specific " + specificsPos);
4285                        if (ri == null) {
4286                            ri = sri;
4287                        }
4288                        j--;
4289                        N--;
4290                    }
4291                }
4292
4293                // Add this specific item to its proper place.
4294                if (ri == null) {
4295                    ri = new ResolveInfo();
4296                    ri.activityInfo = ai;
4297                }
4298                results.add(specificsPos, ri);
4299                ri.specificIndex = i;
4300                specificsPos++;
4301            }
4302        }
4303
4304        // Now we go through the remaining generic results and remove any
4305        // duplicate actions that are found here.
4306        N = results.size();
4307        for (int i=specificsPos; i<N-1; i++) {
4308            final ResolveInfo rii = results.get(i);
4309            if (rii.filter == null) {
4310                continue;
4311            }
4312
4313            // Iterate over all of the actions of this result's intent
4314            // filter...  typically this should be just one.
4315            final Iterator<String> it = rii.filter.actionsIterator();
4316            if (it == null) {
4317                continue;
4318            }
4319            while (it.hasNext()) {
4320                final String action = it.next();
4321                if (resultsAction != null && resultsAction.equals(action)) {
4322                    // If this action was explicitly requested, then don't
4323                    // remove things that have it.
4324                    continue;
4325                }
4326                for (int j=i+1; j<N; j++) {
4327                    final ResolveInfo rij = results.get(j);
4328                    if (rij.filter != null && rij.filter.hasAction(action)) {
4329                        results.remove(j);
4330                        if (DEBUG_INTENT_MATCHING) Log.v(
4331                            TAG, "Removing duplicate item from " + j
4332                            + " due to action " + action + " at " + i);
4333                        j--;
4334                        N--;
4335                    }
4336                }
4337            }
4338
4339            // If the caller didn't request filter information, drop it now
4340            // so we don't have to marshall/unmarshall it.
4341            if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
4342                rii.filter = null;
4343            }
4344        }
4345
4346        // Filter out the caller activity if so requested.
4347        if (caller != null) {
4348            N = results.size();
4349            for (int i=0; i<N; i++) {
4350                ActivityInfo ainfo = results.get(i).activityInfo;
4351                if (caller.getPackageName().equals(ainfo.applicationInfo.packageName)
4352                        && caller.getClassName().equals(ainfo.name)) {
4353                    results.remove(i);
4354                    break;
4355                }
4356            }
4357        }
4358
4359        // If the caller didn't request filter information,
4360        // drop them now so we don't have to
4361        // marshall/unmarshall it.
4362        if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
4363            N = results.size();
4364            for (int i=0; i<N; i++) {
4365                results.get(i).filter = null;
4366            }
4367        }
4368
4369        if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results);
4370        return results;
4371    }
4372
4373    @Override
4374    public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags,
4375            int userId) {
4376        if (!sUserManager.exists(userId)) return Collections.emptyList();
4377        ComponentName comp = intent.getComponent();
4378        if (comp == null) {
4379            if (intent.getSelector() != null) {
4380                intent = intent.getSelector();
4381                comp = intent.getComponent();
4382            }
4383        }
4384        if (comp != null) {
4385            List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
4386            ActivityInfo ai = getReceiverInfo(comp, flags, userId);
4387            if (ai != null) {
4388                ResolveInfo ri = new ResolveInfo();
4389                ri.activityInfo = ai;
4390                list.add(ri);
4391            }
4392            return list;
4393        }
4394
4395        // reader
4396        synchronized (mPackages) {
4397            String pkgName = intent.getPackage();
4398            if (pkgName == null) {
4399                return mReceivers.queryIntent(intent, resolvedType, flags, userId);
4400            }
4401            final PackageParser.Package pkg = mPackages.get(pkgName);
4402            if (pkg != null) {
4403                return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers,
4404                        userId);
4405            }
4406            return null;
4407        }
4408    }
4409
4410    @Override
4411    public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) {
4412        List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId);
4413        if (!sUserManager.exists(userId)) return null;
4414        if (query != null) {
4415            if (query.size() >= 1) {
4416                // If there is more than one service with the same priority,
4417                // just arbitrarily pick the first one.
4418                return query.get(0);
4419            }
4420        }
4421        return null;
4422    }
4423
4424    @Override
4425    public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags,
4426            int userId) {
4427        if (!sUserManager.exists(userId)) return Collections.emptyList();
4428        ComponentName comp = intent.getComponent();
4429        if (comp == null) {
4430            if (intent.getSelector() != null) {
4431                intent = intent.getSelector();
4432                comp = intent.getComponent();
4433            }
4434        }
4435        if (comp != null) {
4436            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
4437            final ServiceInfo si = getServiceInfo(comp, flags, userId);
4438            if (si != null) {
4439                final ResolveInfo ri = new ResolveInfo();
4440                ri.serviceInfo = si;
4441                list.add(ri);
4442            }
4443            return list;
4444        }
4445
4446        // reader
4447        synchronized (mPackages) {
4448            String pkgName = intent.getPackage();
4449            if (pkgName == null) {
4450                return mServices.queryIntent(intent, resolvedType, flags, userId);
4451            }
4452            final PackageParser.Package pkg = mPackages.get(pkgName);
4453            if (pkg != null) {
4454                return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services,
4455                        userId);
4456            }
4457            return null;
4458        }
4459    }
4460
4461    @Override
4462    public List<ResolveInfo> queryIntentContentProviders(
4463            Intent intent, String resolvedType, int flags, int userId) {
4464        if (!sUserManager.exists(userId)) return Collections.emptyList();
4465        ComponentName comp = intent.getComponent();
4466        if (comp == null) {
4467            if (intent.getSelector() != null) {
4468                intent = intent.getSelector();
4469                comp = intent.getComponent();
4470            }
4471        }
4472        if (comp != null) {
4473            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
4474            final ProviderInfo pi = getProviderInfo(comp, flags, userId);
4475            if (pi != null) {
4476                final ResolveInfo ri = new ResolveInfo();
4477                ri.providerInfo = pi;
4478                list.add(ri);
4479            }
4480            return list;
4481        }
4482
4483        // reader
4484        synchronized (mPackages) {
4485            String pkgName = intent.getPackage();
4486            if (pkgName == null) {
4487                return mProviders.queryIntent(intent, resolvedType, flags, userId);
4488            }
4489            final PackageParser.Package pkg = mPackages.get(pkgName);
4490            if (pkg != null) {
4491                return mProviders.queryIntentForPackage(
4492                        intent, resolvedType, flags, pkg.providers, userId);
4493            }
4494            return null;
4495        }
4496    }
4497
4498    @Override
4499    public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) {
4500        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
4501
4502        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages");
4503
4504        // writer
4505        synchronized (mPackages) {
4506            ArrayList<PackageInfo> list;
4507            if (listUninstalled) {
4508                list = new ArrayList<PackageInfo>(mSettings.mPackages.size());
4509                for (PackageSetting ps : mSettings.mPackages.values()) {
4510                    PackageInfo pi;
4511                    if (ps.pkg != null) {
4512                        pi = generatePackageInfo(ps.pkg, flags, userId);
4513                    } else {
4514                        pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
4515                    }
4516                    if (pi != null) {
4517                        list.add(pi);
4518                    }
4519                }
4520            } else {
4521                list = new ArrayList<PackageInfo>(mPackages.size());
4522                for (PackageParser.Package p : mPackages.values()) {
4523                    PackageInfo pi = generatePackageInfo(p, flags, userId);
4524                    if (pi != null) {
4525                        list.add(pi);
4526                    }
4527                }
4528            }
4529
4530            return new ParceledListSlice<PackageInfo>(list);
4531        }
4532    }
4533
4534    private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps,
4535            String[] permissions, boolean[] tmp, int flags, int userId) {
4536        int numMatch = 0;
4537        final PermissionsState permissionsState = ps.getPermissionsState();
4538        for (int i=0; i<permissions.length; i++) {
4539            final String permission = permissions[i];
4540            if (permissionsState.hasPermission(permission, userId)) {
4541                tmp[i] = true;
4542                numMatch++;
4543            } else {
4544                tmp[i] = false;
4545            }
4546        }
4547        if (numMatch == 0) {
4548            return;
4549        }
4550        PackageInfo pi;
4551        if (ps.pkg != null) {
4552            pi = generatePackageInfo(ps.pkg, flags, userId);
4553        } else {
4554            pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
4555        }
4556        // The above might return null in cases of uninstalled apps or install-state
4557        // skew across users/profiles.
4558        if (pi != null) {
4559            if ((flags&PackageManager.GET_PERMISSIONS) == 0) {
4560                if (numMatch == permissions.length) {
4561                    pi.requestedPermissions = permissions;
4562                } else {
4563                    pi.requestedPermissions = new String[numMatch];
4564                    numMatch = 0;
4565                    for (int i=0; i<permissions.length; i++) {
4566                        if (tmp[i]) {
4567                            pi.requestedPermissions[numMatch] = permissions[i];
4568                            numMatch++;
4569                        }
4570                    }
4571                }
4572            }
4573            list.add(pi);
4574        }
4575    }
4576
4577    @Override
4578    public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions(
4579            String[] permissions, int flags, int userId) {
4580        if (!sUserManager.exists(userId)) return null;
4581        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
4582
4583        // writer
4584        synchronized (mPackages) {
4585            ArrayList<PackageInfo> list = new ArrayList<PackageInfo>();
4586            boolean[] tmpBools = new boolean[permissions.length];
4587            if (listUninstalled) {
4588                for (PackageSetting ps : mSettings.mPackages.values()) {
4589                    addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId);
4590                }
4591            } else {
4592                for (PackageParser.Package pkg : mPackages.values()) {
4593                    PackageSetting ps = (PackageSetting)pkg.mExtras;
4594                    if (ps != null) {
4595                        addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags,
4596                                userId);
4597                    }
4598                }
4599            }
4600
4601            return new ParceledListSlice<PackageInfo>(list);
4602        }
4603    }
4604
4605    @Override
4606    public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) {
4607        if (!sUserManager.exists(userId)) return null;
4608        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
4609
4610        // writer
4611        synchronized (mPackages) {
4612            ArrayList<ApplicationInfo> list;
4613            if (listUninstalled) {
4614                list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size());
4615                for (PackageSetting ps : mSettings.mPackages.values()) {
4616                    ApplicationInfo ai;
4617                    if (ps.pkg != null) {
4618                        ai = PackageParser.generateApplicationInfo(ps.pkg, flags,
4619                                ps.readUserState(userId), userId);
4620                    } else {
4621                        ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId);
4622                    }
4623                    if (ai != null) {
4624                        list.add(ai);
4625                    }
4626                }
4627            } else {
4628                list = new ArrayList<ApplicationInfo>(mPackages.size());
4629                for (PackageParser.Package p : mPackages.values()) {
4630                    if (p.mExtras != null) {
4631                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
4632                                ((PackageSetting)p.mExtras).readUserState(userId), userId);
4633                        if (ai != null) {
4634                            list.add(ai);
4635                        }
4636                    }
4637                }
4638            }
4639
4640            return new ParceledListSlice<ApplicationInfo>(list);
4641        }
4642    }
4643
4644    public List<ApplicationInfo> getPersistentApplications(int flags) {
4645        final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>();
4646
4647        // reader
4648        synchronized (mPackages) {
4649            final Iterator<PackageParser.Package> i = mPackages.values().iterator();
4650            final int userId = UserHandle.getCallingUserId();
4651            while (i.hasNext()) {
4652                final PackageParser.Package p = i.next();
4653                if (p.applicationInfo != null
4654                        && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0
4655                        && (!mSafeMode || isSystemApp(p))) {
4656                    PackageSetting ps = mSettings.mPackages.get(p.packageName);
4657                    if (ps != null) {
4658                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
4659                                ps.readUserState(userId), userId);
4660                        if (ai != null) {
4661                            finalList.add(ai);
4662                        }
4663                    }
4664                }
4665            }
4666        }
4667
4668        return finalList;
4669    }
4670
4671    @Override
4672    public ProviderInfo resolveContentProvider(String name, int flags, int userId) {
4673        if (!sUserManager.exists(userId)) return null;
4674        // reader
4675        synchronized (mPackages) {
4676            final PackageParser.Provider provider = mProvidersByAuthority.get(name);
4677            PackageSetting ps = provider != null
4678                    ? mSettings.mPackages.get(provider.owner.packageName)
4679                    : null;
4680            return ps != null
4681                    && mSettings.isEnabledLPr(provider.info, flags, userId)
4682                    && (!mSafeMode || (provider.info.applicationInfo.flags
4683                            &ApplicationInfo.FLAG_SYSTEM) != 0)
4684                    ? PackageParser.generateProviderInfo(provider, flags,
4685                            ps.readUserState(userId), userId)
4686                    : null;
4687        }
4688    }
4689
4690    /**
4691     * @deprecated
4692     */
4693    @Deprecated
4694    public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) {
4695        // reader
4696        synchronized (mPackages) {
4697            final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority
4698                    .entrySet().iterator();
4699            final int userId = UserHandle.getCallingUserId();
4700            while (i.hasNext()) {
4701                Map.Entry<String, PackageParser.Provider> entry = i.next();
4702                PackageParser.Provider p = entry.getValue();
4703                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
4704
4705                if (ps != null && p.syncable
4706                        && (!mSafeMode || (p.info.applicationInfo.flags
4707                                &ApplicationInfo.FLAG_SYSTEM) != 0)) {
4708                    ProviderInfo info = PackageParser.generateProviderInfo(p, 0,
4709                            ps.readUserState(userId), userId);
4710                    if (info != null) {
4711                        outNames.add(entry.getKey());
4712                        outInfo.add(info);
4713                    }
4714                }
4715            }
4716        }
4717    }
4718
4719    @Override
4720    public List<ProviderInfo> queryContentProviders(String processName,
4721            int uid, int flags) {
4722        ArrayList<ProviderInfo> finalList = null;
4723        // reader
4724        synchronized (mPackages) {
4725            final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator();
4726            final int userId = processName != null ?
4727                    UserHandle.getUserId(uid) : UserHandle.getCallingUserId();
4728            while (i.hasNext()) {
4729                final PackageParser.Provider p = i.next();
4730                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
4731                if (ps != null && p.info.authority != null
4732                        && (processName == null
4733                                || (p.info.processName.equals(processName)
4734                                        && UserHandle.isSameApp(p.info.applicationInfo.uid, uid)))
4735                        && mSettings.isEnabledLPr(p.info, flags, userId)
4736                        && (!mSafeMode
4737                                || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) {
4738                    if (finalList == null) {
4739                        finalList = new ArrayList<ProviderInfo>(3);
4740                    }
4741                    ProviderInfo info = PackageParser.generateProviderInfo(p, flags,
4742                            ps.readUserState(userId), userId);
4743                    if (info != null) {
4744                        finalList.add(info);
4745                    }
4746                }
4747            }
4748        }
4749
4750        if (finalList != null) {
4751            Collections.sort(finalList, mProviderInitOrderSorter);
4752        }
4753
4754        return finalList;
4755    }
4756
4757    @Override
4758    public InstrumentationInfo getInstrumentationInfo(ComponentName name,
4759            int flags) {
4760        // reader
4761        synchronized (mPackages) {
4762            final PackageParser.Instrumentation i = mInstrumentation.get(name);
4763            return PackageParser.generateInstrumentationInfo(i, flags);
4764        }
4765    }
4766
4767    @Override
4768    public List<InstrumentationInfo> queryInstrumentation(String targetPackage,
4769            int flags) {
4770        ArrayList<InstrumentationInfo> finalList =
4771            new ArrayList<InstrumentationInfo>();
4772
4773        // reader
4774        synchronized (mPackages) {
4775            final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator();
4776            while (i.hasNext()) {
4777                final PackageParser.Instrumentation p = i.next();
4778                if (targetPackage == null
4779                        || targetPackage.equals(p.info.targetPackage)) {
4780                    InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p,
4781                            flags);
4782                    if (ii != null) {
4783                        finalList.add(ii);
4784                    }
4785                }
4786            }
4787        }
4788
4789        return finalList;
4790    }
4791
4792    private void createIdmapsForPackageLI(PackageParser.Package pkg) {
4793        ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName);
4794        if (overlays == null) {
4795            Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages");
4796            return;
4797        }
4798        for (PackageParser.Package opkg : overlays.values()) {
4799            // Not much to do if idmap fails: we already logged the error
4800            // and we certainly don't want to abort installation of pkg simply
4801            // because an overlay didn't fit properly. For these reasons,
4802            // ignore the return value of createIdmapForPackagePairLI.
4803            createIdmapForPackagePairLI(pkg, opkg);
4804        }
4805    }
4806
4807    private boolean createIdmapForPackagePairLI(PackageParser.Package pkg,
4808            PackageParser.Package opkg) {
4809        if (!opkg.mTrustedOverlay) {
4810            Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " +
4811                    opkg.baseCodePath + ": overlay not trusted");
4812            return false;
4813        }
4814        ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName);
4815        if (overlaySet == null) {
4816            Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " +
4817                    opkg.baseCodePath + " but target package has no known overlays");
4818            return false;
4819        }
4820        final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
4821        // TODO: generate idmap for split APKs
4822        if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) {
4823            Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and "
4824                    + opkg.baseCodePath);
4825            return false;
4826        }
4827        PackageParser.Package[] overlayArray =
4828            overlaySet.values().toArray(new PackageParser.Package[0]);
4829        Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() {
4830            public int compare(PackageParser.Package p1, PackageParser.Package p2) {
4831                return p1.mOverlayPriority - p2.mOverlayPriority;
4832            }
4833        };
4834        Arrays.sort(overlayArray, cmp);
4835
4836        pkg.applicationInfo.resourceDirs = new String[overlayArray.length];
4837        int i = 0;
4838        for (PackageParser.Package p : overlayArray) {
4839            pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath;
4840        }
4841        return true;
4842    }
4843
4844    private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) {
4845        final File[] files = dir.listFiles();
4846        if (ArrayUtils.isEmpty(files)) {
4847            Log.d(TAG, "No files in app dir " + dir);
4848            return;
4849        }
4850
4851        if (DEBUG_PACKAGE_SCANNING) {
4852            Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags
4853                    + " flags=0x" + Integer.toHexString(parseFlags));
4854        }
4855
4856        for (File file : files) {
4857            final boolean isPackage = (isApkFile(file) || file.isDirectory())
4858                    && !PackageInstallerService.isStageName(file.getName());
4859            if (!isPackage) {
4860                // Ignore entries which are not packages
4861                continue;
4862            }
4863            try {
4864                scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK,
4865                        scanFlags, currentTime, null);
4866            } catch (PackageManagerException e) {
4867                Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage());
4868
4869                // Delete invalid userdata apps
4870                if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 &&
4871                        e.error == PackageManager.INSTALL_FAILED_INVALID_APK) {
4872                    logCriticalInfo(Log.WARN, "Deleting invalid package at " + file);
4873                    if (file.isDirectory()) {
4874                        mInstaller.rmPackageDir(file.getAbsolutePath());
4875                    } else {
4876                        file.delete();
4877                    }
4878                }
4879            }
4880        }
4881    }
4882
4883    private static File getSettingsProblemFile() {
4884        File dataDir = Environment.getDataDirectory();
4885        File systemDir = new File(dataDir, "system");
4886        File fname = new File(systemDir, "uiderrors.txt");
4887        return fname;
4888    }
4889
4890    static void reportSettingsProblem(int priority, String msg) {
4891        logCriticalInfo(priority, msg);
4892    }
4893
4894    static void logCriticalInfo(int priority, String msg) {
4895        Slog.println(priority, TAG, msg);
4896        EventLogTags.writePmCriticalInfo(msg);
4897        try {
4898            File fname = getSettingsProblemFile();
4899            FileOutputStream out = new FileOutputStream(fname, true);
4900            PrintWriter pw = new FastPrintWriter(out);
4901            SimpleDateFormat formatter = new SimpleDateFormat();
4902            String dateString = formatter.format(new Date(System.currentTimeMillis()));
4903            pw.println(dateString + ": " + msg);
4904            pw.close();
4905            FileUtils.setPermissions(
4906                    fname.toString(),
4907                    FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH,
4908                    -1, -1);
4909        } catch (java.io.IOException e) {
4910        }
4911    }
4912
4913    private void collectCertificatesLI(PackageParser pp, PackageSetting ps,
4914            PackageParser.Package pkg, File srcFile, int parseFlags)
4915            throws PackageManagerException {
4916        if (ps != null
4917                && ps.codePath.equals(srcFile)
4918                && ps.timeStamp == srcFile.lastModified()
4919                && !isCompatSignatureUpdateNeeded(pkg)
4920                && !isRecoverSignatureUpdateNeeded(pkg)) {
4921            long mSigningKeySetId = ps.keySetData.getProperSigningKeySet();
4922            if (ps.signatures.mSignatures != null
4923                    && ps.signatures.mSignatures.length != 0
4924                    && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) {
4925                // Optimization: reuse the existing cached certificates
4926                // if the package appears to be unchanged.
4927                pkg.mSignatures = ps.signatures.mSignatures;
4928                KeySetManagerService ksms = mSettings.mKeySetManagerService;
4929                synchronized (mPackages) {
4930                    pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId);
4931                }
4932                return;
4933            }
4934
4935            Slog.w(TAG, "PackageSetting for " + ps.name
4936                    + " is missing signatures.  Collecting certs again to recover them.");
4937        } else {
4938            Log.i(TAG, srcFile.toString() + " changed; collecting certs");
4939        }
4940
4941        try {
4942            pp.collectCertificates(pkg, parseFlags);
4943            pp.collectManifestDigest(pkg);
4944        } catch (PackageParserException e) {
4945            throw PackageManagerException.from(e);
4946        }
4947    }
4948
4949    /*
4950     *  Scan a package and return the newly parsed package.
4951     *  Returns null in case of errors and the error code is stored in mLastScanError
4952     */
4953    private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags,
4954            long currentTime, UserHandle user) throws PackageManagerException {
4955        if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile);
4956        parseFlags |= mDefParseFlags;
4957        PackageParser pp = new PackageParser();
4958        pp.setSeparateProcesses(mSeparateProcesses);
4959        pp.setOnlyCoreApps(mOnlyCore);
4960        pp.setDisplayMetrics(mMetrics);
4961
4962        if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) {
4963            parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY;
4964        }
4965
4966        final PackageParser.Package pkg;
4967        try {
4968            pkg = pp.parsePackage(scanFile, parseFlags);
4969        } catch (PackageParserException e) {
4970            throw PackageManagerException.from(e);
4971        }
4972
4973        PackageSetting ps = null;
4974        PackageSetting updatedPkg;
4975        // reader
4976        synchronized (mPackages) {
4977            // Look to see if we already know about this package.
4978            String oldName = mSettings.mRenamedPackages.get(pkg.packageName);
4979            if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) {
4980                // This package has been renamed to its original name.  Let's
4981                // use that.
4982                ps = mSettings.peekPackageLPr(oldName);
4983            }
4984            // If there was no original package, see one for the real package name.
4985            if (ps == null) {
4986                ps = mSettings.peekPackageLPr(pkg.packageName);
4987            }
4988            // Check to see if this package could be hiding/updating a system
4989            // package.  Must look for it either under the original or real
4990            // package name depending on our state.
4991            updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName);
4992            if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg);
4993        }
4994        boolean updatedPkgBetter = false;
4995        // First check if this is a system package that may involve an update
4996        if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
4997            // If new package is not located in "/system/priv-app" (e.g. due to an OTA),
4998            // it needs to drop FLAG_PRIVILEGED.
4999            if (locationIsPrivileged(scanFile)) {
5000                updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
5001            } else {
5002                updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
5003            }
5004
5005            if (ps != null && !ps.codePath.equals(scanFile)) {
5006                // The path has changed from what was last scanned...  check the
5007                // version of the new path against what we have stored to determine
5008                // what to do.
5009                if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath);
5010                if (pkg.mVersionCode <= ps.versionCode) {
5011                    // The system package has been updated and the code path does not match
5012                    // Ignore entry. Skip it.
5013                    Slog.i(TAG, "Package " + ps.name + " at " + scanFile
5014                            + " ignored: updated version " + ps.versionCode
5015                            + " better than this " + pkg.mVersionCode);
5016                    if (!updatedPkg.codePath.equals(scanFile)) {
5017                        Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : "
5018                                + ps.name + " changing from " + updatedPkg.codePathString
5019                                + " to " + scanFile);
5020                        updatedPkg.codePath = scanFile;
5021                        updatedPkg.codePathString = scanFile.toString();
5022                        updatedPkg.resourcePath = scanFile;
5023                        updatedPkg.resourcePathString = scanFile.toString();
5024                    }
5025                    updatedPkg.pkg = pkg;
5026                    throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null);
5027                } else {
5028                    // The current app on the system partition is better than
5029                    // what we have updated to on the data partition; switch
5030                    // back to the system partition version.
5031                    // At this point, its safely assumed that package installation for
5032                    // apps in system partition will go through. If not there won't be a working
5033                    // version of the app
5034                    // writer
5035                    synchronized (mPackages) {
5036                        // Just remove the loaded entries from package lists.
5037                        mPackages.remove(ps.name);
5038                    }
5039
5040                    logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile
5041                            + " reverting from " + ps.codePathString
5042                            + ": new version " + pkg.mVersionCode
5043                            + " better than installed " + ps.versionCode);
5044
5045                    InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
5046                            ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString,
5047                            getAppDexInstructionSets(ps));
5048                    synchronized (mInstallLock) {
5049                        args.cleanUpResourcesLI();
5050                    }
5051                    synchronized (mPackages) {
5052                        mSettings.enableSystemPackageLPw(ps.name);
5053                    }
5054                    updatedPkgBetter = true;
5055                }
5056            }
5057        }
5058
5059        if (updatedPkg != null) {
5060            // An updated system app will not have the PARSE_IS_SYSTEM flag set
5061            // initially
5062            parseFlags |= PackageParser.PARSE_IS_SYSTEM;
5063
5064            // An updated privileged app will not have the PARSE_IS_PRIVILEGED
5065            // flag set initially
5066            if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) {
5067                parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
5068            }
5069        }
5070
5071        // Verify certificates against what was last scanned
5072        collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags);
5073
5074        /*
5075         * A new system app appeared, but we already had a non-system one of the
5076         * same name installed earlier.
5077         */
5078        boolean shouldHideSystemApp = false;
5079        if (updatedPkg == null && ps != null
5080                && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) {
5081            /*
5082             * Check to make sure the signatures match first. If they don't,
5083             * wipe the installed application and its data.
5084             */
5085            if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures)
5086                    != PackageManager.SIGNATURE_MATCH) {
5087                logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but"
5088                        + " signatures don't match existing userdata copy; removing");
5089                deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false);
5090                ps = null;
5091            } else {
5092                /*
5093                 * If the newly-added system app is an older version than the
5094                 * already installed version, hide it. It will be scanned later
5095                 * and re-added like an update.
5096                 */
5097                if (pkg.mVersionCode <= ps.versionCode) {
5098                    shouldHideSystemApp = true;
5099                    logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile
5100                            + " but new version " + pkg.mVersionCode + " better than installed "
5101                            + ps.versionCode + "; hiding system");
5102                } else {
5103                    /*
5104                     * The newly found system app is a newer version that the
5105                     * one previously installed. Simply remove the
5106                     * already-installed application and replace it with our own
5107                     * while keeping the application data.
5108                     */
5109                    logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile
5110                            + " reverting from " + ps.codePathString + ": new version "
5111                            + pkg.mVersionCode + " better than installed " + ps.versionCode);
5112                    InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
5113                            ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString,
5114                            getAppDexInstructionSets(ps));
5115                    synchronized (mInstallLock) {
5116                        args.cleanUpResourcesLI();
5117                    }
5118                }
5119            }
5120        }
5121
5122        // The apk is forward locked (not public) if its code and resources
5123        // are kept in different files. (except for app in either system or
5124        // vendor path).
5125        // TODO grab this value from PackageSettings
5126        if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5127            if (ps != null && !ps.codePath.equals(ps.resourcePath)) {
5128                parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
5129            }
5130        }
5131
5132        // TODO: extend to support forward-locked splits
5133        String resourcePath = null;
5134        String baseResourcePath = null;
5135        if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) {
5136            if (ps != null && ps.resourcePathString != null) {
5137                resourcePath = ps.resourcePathString;
5138                baseResourcePath = ps.resourcePathString;
5139            } else {
5140                // Should not happen at all. Just log an error.
5141                Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName);
5142            }
5143        } else {
5144            resourcePath = pkg.codePath;
5145            baseResourcePath = pkg.baseCodePath;
5146        }
5147
5148        // Set application objects path explicitly.
5149        pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
5150        pkg.applicationInfo.setCodePath(pkg.codePath);
5151        pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
5152        pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
5153        pkg.applicationInfo.setResourcePath(resourcePath);
5154        pkg.applicationInfo.setBaseResourcePath(baseResourcePath);
5155        pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
5156
5157        // Note that we invoke the following method only if we are about to unpack an application
5158        PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags
5159                | SCAN_UPDATE_SIGNATURE, currentTime, user);
5160
5161        /*
5162         * If the system app should be overridden by a previously installed
5163         * data, hide the system app now and let the /data/app scan pick it up
5164         * again.
5165         */
5166        if (shouldHideSystemApp) {
5167            synchronized (mPackages) {
5168                /*
5169                 * We have to grant systems permissions before we hide, because
5170                 * grantPermissions will assume the package update is trying to
5171                 * expand its permissions.
5172                 */
5173                grantPermissionsLPw(pkg, true, pkg.packageName);
5174                mSettings.disableSystemPackageLPw(pkg.packageName);
5175            }
5176        }
5177
5178        return scannedPkg;
5179    }
5180
5181    private static String fixProcessName(String defProcessName,
5182            String processName, int uid) {
5183        if (processName == null) {
5184            return defProcessName;
5185        }
5186        return processName;
5187    }
5188
5189    private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg)
5190            throws PackageManagerException {
5191        if (pkgSetting.signatures.mSignatures != null) {
5192            // Already existing package. Make sure signatures match
5193            boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures)
5194                    == PackageManager.SIGNATURE_MATCH;
5195            if (!match) {
5196                match = compareSignaturesCompat(pkgSetting.signatures, pkg)
5197                        == PackageManager.SIGNATURE_MATCH;
5198            }
5199            if (!match) {
5200                match = compareSignaturesRecover(pkgSetting.signatures, pkg)
5201                        == PackageManager.SIGNATURE_MATCH;
5202            }
5203            if (!match) {
5204                throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
5205                        + pkg.packageName + " signatures do not match the "
5206                        + "previously installed version; ignoring!");
5207            }
5208        }
5209
5210        // Check for shared user signatures
5211        if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) {
5212            // Already existing package. Make sure signatures match
5213            boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
5214                    pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
5215            if (!match) {
5216                match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg)
5217                        == PackageManager.SIGNATURE_MATCH;
5218            }
5219            if (!match) {
5220                match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg)
5221                        == PackageManager.SIGNATURE_MATCH;
5222            }
5223            if (!match) {
5224                throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
5225                        "Package " + pkg.packageName
5226                        + " has no signatures that match those in shared user "
5227                        + pkgSetting.sharedUser.name + "; ignoring!");
5228            }
5229        }
5230    }
5231
5232    /**
5233     * Enforces that only the system UID or root's UID can call a method exposed
5234     * via Binder.
5235     *
5236     * @param message used as message if SecurityException is thrown
5237     * @throws SecurityException if the caller is not system or root
5238     */
5239    private static final void enforceSystemOrRoot(String message) {
5240        final int uid = Binder.getCallingUid();
5241        if (uid != Process.SYSTEM_UID && uid != 0) {
5242            throw new SecurityException(message);
5243        }
5244    }
5245
5246    @Override
5247    public void performBootDexOpt() {
5248        enforceSystemOrRoot("Only the system can request dexopt be performed");
5249
5250        // Before everything else, see whether we need to fstrim.
5251        try {
5252            IMountService ms = PackageHelper.getMountService();
5253            if (ms != null) {
5254                final boolean isUpgrade = isUpgrade();
5255                boolean doTrim = isUpgrade;
5256                if (doTrim) {
5257                    Slog.w(TAG, "Running disk maintenance immediately due to system update");
5258                } else {
5259                    final long interval = android.provider.Settings.Global.getLong(
5260                            mContext.getContentResolver(),
5261                            android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL,
5262                            DEFAULT_MANDATORY_FSTRIM_INTERVAL);
5263                    if (interval > 0) {
5264                        final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance();
5265                        if (timeSinceLast > interval) {
5266                            doTrim = true;
5267                            Slog.w(TAG, "No disk maintenance in " + timeSinceLast
5268                                    + "; running immediately");
5269                        }
5270                    }
5271                }
5272                if (doTrim) {
5273                    if (!isFirstBoot()) {
5274                        try {
5275                            ActivityManagerNative.getDefault().showBootMessage(
5276                                    mContext.getResources().getString(
5277                                            R.string.android_upgrading_fstrim), true);
5278                        } catch (RemoteException e) {
5279                        }
5280                    }
5281                    ms.runMaintenance();
5282                }
5283            } else {
5284                Slog.e(TAG, "Mount service unavailable!");
5285            }
5286        } catch (RemoteException e) {
5287            // Can't happen; MountService is local
5288        }
5289
5290        final ArraySet<PackageParser.Package> pkgs;
5291        synchronized (mPackages) {
5292            pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages();
5293        }
5294
5295        if (pkgs != null) {
5296            // Sort apps by importance for dexopt ordering. Important apps are given more priority
5297            // in case the device runs out of space.
5298            ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>();
5299            // Give priority to core apps.
5300            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
5301                PackageParser.Package pkg = it.next();
5302                if (pkg.coreApp) {
5303                    if (DEBUG_DEXOPT) {
5304                        Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName);
5305                    }
5306                    sortedPkgs.add(pkg);
5307                    it.remove();
5308                }
5309            }
5310            // Give priority to system apps that listen for pre boot complete.
5311            Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED);
5312            ArraySet<String> pkgNames = getPackageNamesForIntent(intent);
5313            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
5314                PackageParser.Package pkg = it.next();
5315                if (pkgNames.contains(pkg.packageName)) {
5316                    if (DEBUG_DEXOPT) {
5317                        Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName);
5318                    }
5319                    sortedPkgs.add(pkg);
5320                    it.remove();
5321                }
5322            }
5323            // Give priority to system apps.
5324            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
5325                PackageParser.Package pkg = it.next();
5326                if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) {
5327                    if (DEBUG_DEXOPT) {
5328                        Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName);
5329                    }
5330                    sortedPkgs.add(pkg);
5331                    it.remove();
5332                }
5333            }
5334            // Give priority to updated system apps.
5335            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
5336                PackageParser.Package pkg = it.next();
5337                if (pkg.isUpdatedSystemApp()) {
5338                    if (DEBUG_DEXOPT) {
5339                        Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName);
5340                    }
5341                    sortedPkgs.add(pkg);
5342                    it.remove();
5343                }
5344            }
5345            // Give priority to apps that listen for boot complete.
5346            intent = new Intent(Intent.ACTION_BOOT_COMPLETED);
5347            pkgNames = getPackageNamesForIntent(intent);
5348            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
5349                PackageParser.Package pkg = it.next();
5350                if (pkgNames.contains(pkg.packageName)) {
5351                    if (DEBUG_DEXOPT) {
5352                        Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName);
5353                    }
5354                    sortedPkgs.add(pkg);
5355                    it.remove();
5356                }
5357            }
5358            // Filter out packages that aren't recently used.
5359            filterRecentlyUsedApps(pkgs);
5360            // Add all remaining apps.
5361            for (PackageParser.Package pkg : pkgs) {
5362                if (DEBUG_DEXOPT) {
5363                    Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName);
5364                }
5365                sortedPkgs.add(pkg);
5366            }
5367
5368            // If we want to be lazy, filter everything that wasn't recently used.
5369            if (mLazyDexOpt) {
5370                filterRecentlyUsedApps(sortedPkgs);
5371            }
5372
5373            int i = 0;
5374            int total = sortedPkgs.size();
5375            File dataDir = Environment.getDataDirectory();
5376            long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir);
5377            if (lowThreshold == 0) {
5378                throw new IllegalStateException("Invalid low memory threshold");
5379            }
5380            for (PackageParser.Package pkg : sortedPkgs) {
5381                long usableSpace = dataDir.getUsableSpace();
5382                if (usableSpace < lowThreshold) {
5383                    Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace);
5384                    break;
5385                }
5386                performBootDexOpt(pkg, ++i, total);
5387            }
5388        }
5389    }
5390
5391    private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) {
5392        // Filter out packages that aren't recently used.
5393        //
5394        // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which
5395        // should do a full dexopt.
5396        if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) {
5397            int total = pkgs.size();
5398            int skipped = 0;
5399            long now = System.currentTimeMillis();
5400            for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) {
5401                PackageParser.Package pkg = i.next();
5402                long then = pkg.mLastPackageUsageTimeInMills;
5403                if (then + mDexOptLRUThresholdInMills < now) {
5404                    if (DEBUG_DEXOPT) {
5405                        Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " +
5406                              ((then == 0) ? "never" : new Date(then)));
5407                    }
5408                    i.remove();
5409                    skipped++;
5410                }
5411            }
5412            if (DEBUG_DEXOPT) {
5413                Log.i(TAG, "Skipped optimizing " + skipped + " of " + total);
5414            }
5415        }
5416    }
5417
5418    private ArraySet<String> getPackageNamesForIntent(Intent intent) {
5419        List<ResolveInfo> ris = null;
5420        try {
5421            ris = AppGlobals.getPackageManager().queryIntentReceivers(
5422                    intent, null, 0, UserHandle.USER_OWNER);
5423        } catch (RemoteException e) {
5424        }
5425        ArraySet<String> pkgNames = new ArraySet<String>();
5426        if (ris != null) {
5427            for (ResolveInfo ri : ris) {
5428                pkgNames.add(ri.activityInfo.packageName);
5429            }
5430        }
5431        return pkgNames;
5432    }
5433
5434    private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) {
5435        if (DEBUG_DEXOPT) {
5436            Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName);
5437        }
5438        if (!isFirstBoot()) {
5439            try {
5440                ActivityManagerNative.getDefault().showBootMessage(
5441                        mContext.getResources().getString(R.string.android_upgrading_apk,
5442                                curr, total), true);
5443            } catch (RemoteException e) {
5444            }
5445        }
5446        PackageParser.Package p = pkg;
5447        synchronized (mInstallLock) {
5448            mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */,
5449                    false /* force dex */, false /* defer */, true /* include dependencies */);
5450        }
5451    }
5452
5453    @Override
5454    public boolean performDexOptIfNeeded(String packageName, String instructionSet) {
5455        return performDexOpt(packageName, instructionSet, false);
5456    }
5457
5458    public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) {
5459        boolean dexopt = mLazyDexOpt || backgroundDexopt;
5460        boolean updateUsage = !backgroundDexopt;  // Don't update usage if this is just a backgroundDexopt
5461        if (!dexopt && !updateUsage) {
5462            // We aren't going to dexopt or update usage, so bail early.
5463            return false;
5464        }
5465        PackageParser.Package p;
5466        final String targetInstructionSet;
5467        synchronized (mPackages) {
5468            p = mPackages.get(packageName);
5469            if (p == null) {
5470                return false;
5471            }
5472            if (updateUsage) {
5473                p.mLastPackageUsageTimeInMills = System.currentTimeMillis();
5474            }
5475            mPackageUsage.write(false);
5476            if (!dexopt) {
5477                // We aren't going to dexopt, so bail early.
5478                return false;
5479            }
5480
5481            targetInstructionSet = instructionSet != null ? instructionSet :
5482                    getPrimaryInstructionSet(p.applicationInfo);
5483            if (p.mDexOptPerformed.contains(targetInstructionSet)) {
5484                return false;
5485            }
5486        }
5487
5488        synchronized (mInstallLock) {
5489            final String[] instructionSets = new String[] { targetInstructionSet };
5490            int result = mPackageDexOptimizer.performDexOpt(p, instructionSets,
5491                    false /* forceDex */, false /* defer */, true /* inclDependencies */);
5492            return result == PackageDexOptimizer.DEX_OPT_PERFORMED;
5493        }
5494    }
5495
5496    public ArraySet<String> getPackagesThatNeedDexOpt() {
5497        ArraySet<String> pkgs = null;
5498        synchronized (mPackages) {
5499            for (PackageParser.Package p : mPackages.values()) {
5500                if (DEBUG_DEXOPT) {
5501                    Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray());
5502                }
5503                if (!p.mDexOptPerformed.isEmpty()) {
5504                    continue;
5505                }
5506                if (pkgs == null) {
5507                    pkgs = new ArraySet<String>();
5508                }
5509                pkgs.add(p.packageName);
5510            }
5511        }
5512        return pkgs;
5513    }
5514
5515    public void shutdown() {
5516        mPackageUsage.write(true);
5517    }
5518
5519    @Override
5520    public void forceDexOpt(String packageName) {
5521        enforceSystemOrRoot("forceDexOpt");
5522
5523        PackageParser.Package pkg;
5524        synchronized (mPackages) {
5525            pkg = mPackages.get(packageName);
5526            if (pkg == null) {
5527                throw new IllegalArgumentException("Missing package: " + packageName);
5528            }
5529        }
5530
5531        synchronized (mInstallLock) {
5532            final String[] instructionSets = new String[] {
5533                    getPrimaryInstructionSet(pkg.applicationInfo) };
5534            final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets,
5535                    true /*forceDex*/, false /* defer */, true /* inclDependencies */);
5536            if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) {
5537                throw new IllegalStateException("Failed to dexopt: " + res);
5538            }
5539        }
5540    }
5541
5542    private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) {
5543        if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) {
5544            Slog.w(TAG, "Unable to update from " + oldPkg.name
5545                    + " to " + newPkg.packageName
5546                    + ": old package not in system partition");
5547            return false;
5548        } else if (mPackages.get(oldPkg.name) != null) {
5549            Slog.w(TAG, "Unable to update from " + oldPkg.name
5550                    + " to " + newPkg.packageName
5551                    + ": old package still exists");
5552            return false;
5553        }
5554        return true;
5555    }
5556
5557    private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) {
5558        int[] users = sUserManager.getUserIds();
5559        int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo);
5560        if (res < 0) {
5561            return res;
5562        }
5563        for (int user : users) {
5564            if (user != 0) {
5565                res = mInstaller.createUserData(volumeUuid, packageName,
5566                        UserHandle.getUid(user, uid), user, seinfo);
5567                if (res < 0) {
5568                    return res;
5569                }
5570            }
5571        }
5572        return res;
5573    }
5574
5575    private int removeDataDirsLI(String volumeUuid, String packageName) {
5576        int[] users = sUserManager.getUserIds();
5577        int res = 0;
5578        for (int user : users) {
5579            int resInner = mInstaller.remove(volumeUuid, packageName, user);
5580            if (resInner < 0) {
5581                res = resInner;
5582            }
5583        }
5584
5585        return res;
5586    }
5587
5588    private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) {
5589        int[] users = sUserManager.getUserIds();
5590        int res = 0;
5591        for (int user : users) {
5592            int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user);
5593            if (resInner < 0) {
5594                res = resInner;
5595            }
5596        }
5597        return res;
5598    }
5599
5600    private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file,
5601            PackageParser.Package changingLib) {
5602        if (file.path != null) {
5603            usesLibraryFiles.add(file.path);
5604            return;
5605        }
5606        PackageParser.Package p = mPackages.get(file.apk);
5607        if (changingLib != null && changingLib.packageName.equals(file.apk)) {
5608            // If we are doing this while in the middle of updating a library apk,
5609            // then we need to make sure to use that new apk for determining the
5610            // dependencies here.  (We haven't yet finished committing the new apk
5611            // to the package manager state.)
5612            if (p == null || p.packageName.equals(changingLib.packageName)) {
5613                p = changingLib;
5614            }
5615        }
5616        if (p != null) {
5617            usesLibraryFiles.addAll(p.getAllCodePaths());
5618        }
5619    }
5620
5621    private void updateSharedLibrariesLPw(PackageParser.Package pkg,
5622            PackageParser.Package changingLib) throws PackageManagerException {
5623        if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) {
5624            final ArraySet<String> usesLibraryFiles = new ArraySet<>();
5625            int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0;
5626            for (int i=0; i<N; i++) {
5627                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i));
5628                if (file == null) {
5629                    throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY,
5630                            "Package " + pkg.packageName + " requires unavailable shared library "
5631                            + pkg.usesLibraries.get(i) + "; failing!");
5632                }
5633                addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
5634            }
5635            N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0;
5636            for (int i=0; i<N; i++) {
5637                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i));
5638                if (file == null) {
5639                    Slog.w(TAG, "Package " + pkg.packageName
5640                            + " desires unavailable shared library "
5641                            + pkg.usesOptionalLibraries.get(i) + "; ignoring!");
5642                } else {
5643                    addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
5644                }
5645            }
5646            N = usesLibraryFiles.size();
5647            if (N > 0) {
5648                pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]);
5649            } else {
5650                pkg.usesLibraryFiles = null;
5651            }
5652        }
5653    }
5654
5655    private static boolean hasString(List<String> list, List<String> which) {
5656        if (list == null) {
5657            return false;
5658        }
5659        for (int i=list.size()-1; i>=0; i--) {
5660            for (int j=which.size()-1; j>=0; j--) {
5661                if (which.get(j).equals(list.get(i))) {
5662                    return true;
5663                }
5664            }
5665        }
5666        return false;
5667    }
5668
5669    private void updateAllSharedLibrariesLPw() {
5670        for (PackageParser.Package pkg : mPackages.values()) {
5671            try {
5672                updateSharedLibrariesLPw(pkg, null);
5673            } catch (PackageManagerException e) {
5674                Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
5675            }
5676        }
5677    }
5678
5679    private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw(
5680            PackageParser.Package changingPkg) {
5681        ArrayList<PackageParser.Package> res = null;
5682        for (PackageParser.Package pkg : mPackages.values()) {
5683            if (hasString(pkg.usesLibraries, changingPkg.libraryNames)
5684                    || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) {
5685                if (res == null) {
5686                    res = new ArrayList<PackageParser.Package>();
5687                }
5688                res.add(pkg);
5689                try {
5690                    updateSharedLibrariesLPw(pkg, changingPkg);
5691                } catch (PackageManagerException e) {
5692                    Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
5693                }
5694            }
5695        }
5696        return res;
5697    }
5698
5699    /**
5700     * Derive the value of the {@code cpuAbiOverride} based on the provided
5701     * value and an optional stored value from the package settings.
5702     */
5703    private static String deriveAbiOverride(String abiOverride, PackageSetting settings) {
5704        String cpuAbiOverride = null;
5705
5706        if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) {
5707            cpuAbiOverride = null;
5708        } else if (abiOverride != null) {
5709            cpuAbiOverride = abiOverride;
5710        } else if (settings != null) {
5711            cpuAbiOverride = settings.cpuAbiOverrideString;
5712        }
5713
5714        return cpuAbiOverride;
5715    }
5716
5717    private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags,
5718            int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
5719        boolean success = false;
5720        try {
5721            final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags,
5722                    currentTime, user);
5723            success = true;
5724            return res;
5725        } finally {
5726            if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) {
5727                removeDataDirsLI(pkg.volumeUuid, pkg.packageName);
5728            }
5729        }
5730    }
5731
5732    private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags,
5733            int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
5734        final File scanFile = new File(pkg.codePath);
5735        if (pkg.applicationInfo.getCodePath() == null ||
5736                pkg.applicationInfo.getResourcePath() == null) {
5737            // Bail out. The resource and code paths haven't been set.
5738            throw new PackageManagerException(INSTALL_FAILED_INVALID_APK,
5739                    "Code and resource paths haven't been set correctly");
5740        }
5741
5742        if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
5743            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM;
5744        } else {
5745            // Only allow system apps to be flagged as core apps.
5746            pkg.coreApp = false;
5747        }
5748
5749        if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) {
5750            pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
5751        }
5752
5753        if (mCustomResolverComponentName != null &&
5754                mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) {
5755            setUpCustomResolverActivity(pkg);
5756        }
5757
5758        if (pkg.packageName.equals("android")) {
5759            synchronized (mPackages) {
5760                if (mAndroidApplication != null) {
5761                    Slog.w(TAG, "*************************************************");
5762                    Slog.w(TAG, "Core android package being redefined.  Skipping.");
5763                    Slog.w(TAG, " file=" + scanFile);
5764                    Slog.w(TAG, "*************************************************");
5765                    throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
5766                            "Core android package being redefined.  Skipping.");
5767                }
5768
5769                // Set up information for our fall-back user intent resolution activity.
5770                mPlatformPackage = pkg;
5771                pkg.mVersionCode = mSdkVersion;
5772                mAndroidApplication = pkg.applicationInfo;
5773
5774                if (!mResolverReplaced) {
5775                    mResolveActivity.applicationInfo = mAndroidApplication;
5776                    mResolveActivity.name = ResolverActivity.class.getName();
5777                    mResolveActivity.packageName = mAndroidApplication.packageName;
5778                    mResolveActivity.processName = "system:ui";
5779                    mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
5780                    mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER;
5781                    mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS;
5782                    mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert;
5783                    mResolveActivity.exported = true;
5784                    mResolveActivity.enabled = true;
5785                    mResolveInfo.activityInfo = mResolveActivity;
5786                    mResolveInfo.priority = 0;
5787                    mResolveInfo.preferredOrder = 0;
5788                    mResolveInfo.match = 0;
5789                    mResolveComponentName = new ComponentName(
5790                            mAndroidApplication.packageName, mResolveActivity.name);
5791                }
5792            }
5793        }
5794
5795        if (DEBUG_PACKAGE_SCANNING) {
5796            if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5797                Log.d(TAG, "Scanning package " + pkg.packageName);
5798        }
5799
5800        if (mPackages.containsKey(pkg.packageName)
5801                || mSharedLibraries.containsKey(pkg.packageName)) {
5802            throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
5803                    "Application package " + pkg.packageName
5804                    + " already installed.  Skipping duplicate.");
5805        }
5806
5807        // If we're only installing presumed-existing packages, require that the
5808        // scanned APK is both already known and at the path previously established
5809        // for it.  Previously unknown packages we pick up normally, but if we have an
5810        // a priori expectation about this package's install presence, enforce it.
5811        if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) {
5812            PackageSetting known = mSettings.peekPackageLPr(pkg.packageName);
5813            if (known != null) {
5814                if (DEBUG_PACKAGE_SCANNING) {
5815                    Log.d(TAG, "Examining " + pkg.codePath
5816                            + " and requiring known paths " + known.codePathString
5817                            + " & " + known.resourcePathString);
5818                }
5819                if (!pkg.applicationInfo.getCodePath().equals(known.codePathString)
5820                        || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) {
5821                    throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED,
5822                            "Application package " + pkg.packageName
5823                            + " found at " + pkg.applicationInfo.getCodePath()
5824                            + " but expected at " + known.codePathString + "; ignoring.");
5825                }
5826            }
5827        }
5828
5829        // Initialize package source and resource directories
5830        File destCodeFile = new File(pkg.applicationInfo.getCodePath());
5831        File destResourceFile = new File(pkg.applicationInfo.getResourcePath());
5832
5833        SharedUserSetting suid = null;
5834        PackageSetting pkgSetting = null;
5835
5836        if (!isSystemApp(pkg)) {
5837            // Only system apps can use these features.
5838            pkg.mOriginalPackages = null;
5839            pkg.mRealPackage = null;
5840            pkg.mAdoptPermissions = null;
5841        }
5842
5843        // writer
5844        synchronized (mPackages) {
5845            if (pkg.mSharedUserId != null) {
5846                suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true);
5847                if (suid == null) {
5848                    throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
5849                            "Creating application package " + pkg.packageName
5850                            + " for shared user failed");
5851                }
5852                if (DEBUG_PACKAGE_SCANNING) {
5853                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5854                        Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId
5855                                + "): packages=" + suid.packages);
5856                }
5857            }
5858
5859            // Check if we are renaming from an original package name.
5860            PackageSetting origPackage = null;
5861            String realName = null;
5862            if (pkg.mOriginalPackages != null) {
5863                // This package may need to be renamed to a previously
5864                // installed name.  Let's check on that...
5865                final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage);
5866                if (pkg.mOriginalPackages.contains(renamed)) {
5867                    // This package had originally been installed as the
5868                    // original name, and we have already taken care of
5869                    // transitioning to the new one.  Just update the new
5870                    // one to continue using the old name.
5871                    realName = pkg.mRealPackage;
5872                    if (!pkg.packageName.equals(renamed)) {
5873                        // Callers into this function may have already taken
5874                        // care of renaming the package; only do it here if
5875                        // it is not already done.
5876                        pkg.setPackageName(renamed);
5877                    }
5878
5879                } else {
5880                    for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) {
5881                        if ((origPackage = mSettings.peekPackageLPr(
5882                                pkg.mOriginalPackages.get(i))) != null) {
5883                            // We do have the package already installed under its
5884                            // original name...  should we use it?
5885                            if (!verifyPackageUpdateLPr(origPackage, pkg)) {
5886                                // New package is not compatible with original.
5887                                origPackage = null;
5888                                continue;
5889                            } else if (origPackage.sharedUser != null) {
5890                                // Make sure uid is compatible between packages.
5891                                if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) {
5892                                    Slog.w(TAG, "Unable to migrate data from " + origPackage.name
5893                                            + " to " + pkg.packageName + ": old uid "
5894                                            + origPackage.sharedUser.name
5895                                            + " differs from " + pkg.mSharedUserId);
5896                                    origPackage = null;
5897                                    continue;
5898                                }
5899                            } else {
5900                                if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package "
5901                                        + pkg.packageName + " to old name " + origPackage.name);
5902                            }
5903                            break;
5904                        }
5905                    }
5906                }
5907            }
5908
5909            if (mTransferedPackages.contains(pkg.packageName)) {
5910                Slog.w(TAG, "Package " + pkg.packageName
5911                        + " was transferred to another, but its .apk remains");
5912            }
5913
5914            // Just create the setting, don't add it yet. For already existing packages
5915            // the PkgSetting exists already and doesn't have to be created.
5916            pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile,
5917                    destResourceFile, pkg.applicationInfo.nativeLibraryRootDir,
5918                    pkg.applicationInfo.primaryCpuAbi,
5919                    pkg.applicationInfo.secondaryCpuAbi,
5920                    pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags,
5921                    user, false);
5922            if (pkgSetting == null) {
5923                throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
5924                        "Creating application package " + pkg.packageName + " failed");
5925            }
5926
5927            if (pkgSetting.origPackage != null) {
5928                // If we are first transitioning from an original package,
5929                // fix up the new package's name now.  We need to do this after
5930                // looking up the package under its new name, so getPackageLP
5931                // can take care of fiddling things correctly.
5932                pkg.setPackageName(origPackage.name);
5933
5934                // File a report about this.
5935                String msg = "New package " + pkgSetting.realName
5936                        + " renamed to replace old package " + pkgSetting.name;
5937                reportSettingsProblem(Log.WARN, msg);
5938
5939                // Make a note of it.
5940                mTransferedPackages.add(origPackage.name);
5941
5942                // No longer need to retain this.
5943                pkgSetting.origPackage = null;
5944            }
5945
5946            if (realName != null) {
5947                // Make a note of it.
5948                mTransferedPackages.add(pkg.packageName);
5949            }
5950
5951            if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) {
5952                pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
5953            }
5954
5955            if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5956                // Check all shared libraries and map to their actual file path.
5957                // We only do this here for apps not on a system dir, because those
5958                // are the only ones that can fail an install due to this.  We
5959                // will take care of the system apps by updating all of their
5960                // library paths after the scan is done.
5961                updateSharedLibrariesLPw(pkg, null);
5962            }
5963
5964            if (mFoundPolicyFile) {
5965                SELinuxMMAC.assignSeinfoValue(pkg);
5966            }
5967
5968            pkg.applicationInfo.uid = pkgSetting.appId;
5969            pkg.mExtras = pkgSetting;
5970            if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) {
5971                try {
5972                    verifySignaturesLP(pkgSetting, pkg);
5973                    // We just determined the app is signed correctly, so bring
5974                    // over the latest parsed certs.
5975                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
5976                } catch (PackageManagerException e) {
5977                    if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5978                        throw e;
5979                    }
5980                    // The signature has changed, but this package is in the system
5981                    // image...  let's recover!
5982                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
5983                    // However...  if this package is part of a shared user, but it
5984                    // doesn't match the signature of the shared user, let's fail.
5985                    // What this means is that you can't change the signatures
5986                    // associated with an overall shared user, which doesn't seem all
5987                    // that unreasonable.
5988                    if (pkgSetting.sharedUser != null) {
5989                        if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
5990                                              pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) {
5991                            throw new PackageManagerException(
5992                                    INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES,
5993                                            "Signature mismatch for shared user : "
5994                                            + pkgSetting.sharedUser);
5995                        }
5996                    }
5997                    // File a report about this.
5998                    String msg = "System package " + pkg.packageName
5999                        + " signature changed; retaining data.";
6000                    reportSettingsProblem(Log.WARN, msg);
6001                }
6002            } else {
6003                if (!checkUpgradeKeySetLP(pkgSetting, pkg)) {
6004                    throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
6005                            + pkg.packageName + " upgrade keys do not match the "
6006                            + "previously installed version");
6007                } else {
6008                    // We just determined the app is signed correctly, so bring
6009                    // over the latest parsed certs.
6010                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
6011                }
6012            }
6013            // Verify that this new package doesn't have any content providers
6014            // that conflict with existing packages.  Only do this if the
6015            // package isn't already installed, since we don't want to break
6016            // things that are installed.
6017            if ((scanFlags & SCAN_NEW_INSTALL) != 0) {
6018                final int N = pkg.providers.size();
6019                int i;
6020                for (i=0; i<N; i++) {
6021                    PackageParser.Provider p = pkg.providers.get(i);
6022                    if (p.info.authority != null) {
6023                        String names[] = p.info.authority.split(";");
6024                        for (int j = 0; j < names.length; j++) {
6025                            if (mProvidersByAuthority.containsKey(names[j])) {
6026                                PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
6027                                final String otherPackageName =
6028                                        ((other != null && other.getComponentName() != null) ?
6029                                                other.getComponentName().getPackageName() : "?");
6030                                throw new PackageManagerException(
6031                                        INSTALL_FAILED_CONFLICTING_PROVIDER,
6032                                                "Can't install because provider name " + names[j]
6033                                                + " (in package " + pkg.applicationInfo.packageName
6034                                                + ") is already used by " + otherPackageName);
6035                            }
6036                        }
6037                    }
6038                }
6039            }
6040
6041            if (pkg.mAdoptPermissions != null) {
6042                // This package wants to adopt ownership of permissions from
6043                // another package.
6044                for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) {
6045                    final String origName = pkg.mAdoptPermissions.get(i);
6046                    final PackageSetting orig = mSettings.peekPackageLPr(origName);
6047                    if (orig != null) {
6048                        if (verifyPackageUpdateLPr(orig, pkg)) {
6049                            Slog.i(TAG, "Adopting permissions from " + origName + " to "
6050                                    + pkg.packageName);
6051                            mSettings.transferPermissionsLPw(origName, pkg.packageName);
6052                        }
6053                    }
6054                }
6055            }
6056        }
6057
6058        final String pkgName = pkg.packageName;
6059
6060        final long scanFileTime = scanFile.lastModified();
6061        final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0;
6062        pkg.applicationInfo.processName = fixProcessName(
6063                pkg.applicationInfo.packageName,
6064                pkg.applicationInfo.processName,
6065                pkg.applicationInfo.uid);
6066
6067        File dataPath;
6068        if (mPlatformPackage == pkg) {
6069            // The system package is special.
6070            dataPath = new File(Environment.getDataDirectory(), "system");
6071
6072            pkg.applicationInfo.dataDir = dataPath.getPath();
6073
6074        } else {
6075            // This is a normal package, need to make its data directory.
6076            dataPath = PackageManager.getDataDirForUser(pkg.volumeUuid, pkg.packageName,
6077                    UserHandle.USER_OWNER);
6078
6079            boolean uidError = false;
6080            if (dataPath.exists()) {
6081                int currentUid = 0;
6082                try {
6083                    StructStat stat = Os.stat(dataPath.getPath());
6084                    currentUid = stat.st_uid;
6085                } catch (ErrnoException e) {
6086                    Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e);
6087                }
6088
6089                // If we have mismatched owners for the data path, we have a problem.
6090                if (currentUid != pkg.applicationInfo.uid) {
6091                    boolean recovered = false;
6092                    if (currentUid == 0) {
6093                        // The directory somehow became owned by root.  Wow.
6094                        // This is probably because the system was stopped while
6095                        // installd was in the middle of messing with its libs
6096                        // directory.  Ask installd to fix that.
6097                        int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName,
6098                                pkg.applicationInfo.uid, pkg.applicationInfo.uid);
6099                        if (ret >= 0) {
6100                            recovered = true;
6101                            String msg = "Package " + pkg.packageName
6102                                    + " unexpectedly changed to uid 0; recovered to " +
6103                                    + pkg.applicationInfo.uid;
6104                            reportSettingsProblem(Log.WARN, msg);
6105                        }
6106                    }
6107                    if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
6108                            || (scanFlags&SCAN_BOOTING) != 0)) {
6109                        // If this is a system app, we can at least delete its
6110                        // current data so the application will still work.
6111                        int ret = removeDataDirsLI(pkg.volumeUuid, pkgName);
6112                        if (ret >= 0) {
6113                            // TODO: Kill the processes first
6114                            // Old data gone!
6115                            String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
6116                                    ? "System package " : "Third party package ";
6117                            String msg = prefix + pkg.packageName
6118                                    + " has changed from uid: "
6119                                    + currentUid + " to "
6120                                    + pkg.applicationInfo.uid + "; old data erased";
6121                            reportSettingsProblem(Log.WARN, msg);
6122                            recovered = true;
6123
6124                            // And now re-install the app.
6125                            ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid,
6126                                    pkg.applicationInfo.seinfo);
6127                            if (ret == -1) {
6128                                // Ack should not happen!
6129                                msg = prefix + pkg.packageName
6130                                        + " could not have data directory re-created after delete.";
6131                                reportSettingsProblem(Log.WARN, msg);
6132                                throw new PackageManagerException(
6133                                        INSTALL_FAILED_INSUFFICIENT_STORAGE, msg);
6134                            }
6135                        }
6136                        if (!recovered) {
6137                            mHasSystemUidErrors = true;
6138                        }
6139                    } else if (!recovered) {
6140                        // If we allow this install to proceed, we will be broken.
6141                        // Abort, abort!
6142                        throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED,
6143                                "scanPackageLI");
6144                    }
6145                    if (!recovered) {
6146                        pkg.applicationInfo.dataDir = "/mismatched_uid/settings_"
6147                            + pkg.applicationInfo.uid + "/fs_"
6148                            + currentUid;
6149                        pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir;
6150                        pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir;
6151                        String msg = "Package " + pkg.packageName
6152                                + " has mismatched uid: "
6153                                + currentUid + " on disk, "
6154                                + pkg.applicationInfo.uid + " in settings";
6155                        // writer
6156                        synchronized (mPackages) {
6157                            mSettings.mReadMessages.append(msg);
6158                            mSettings.mReadMessages.append('\n');
6159                            uidError = true;
6160                            if (!pkgSetting.uidError) {
6161                                reportSettingsProblem(Log.ERROR, msg);
6162                            }
6163                        }
6164                    }
6165                }
6166                pkg.applicationInfo.dataDir = dataPath.getPath();
6167                if (mShouldRestoreconData) {
6168                    Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued.");
6169                    mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName,
6170                            pkg.applicationInfo.seinfo, pkg.applicationInfo.uid);
6171                }
6172            } else {
6173                if (DEBUG_PACKAGE_SCANNING) {
6174                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
6175                        Log.v(TAG, "Want this data dir: " + dataPath);
6176                }
6177                //invoke installer to do the actual installation
6178                int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid,
6179                        pkg.applicationInfo.seinfo);
6180                if (ret < 0) {
6181                    // Error from installer
6182                    throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
6183                            "Unable to create data dirs [errorCode=" + ret + "]");
6184                }
6185
6186                if (dataPath.exists()) {
6187                    pkg.applicationInfo.dataDir = dataPath.getPath();
6188                } else {
6189                    Slog.w(TAG, "Unable to create data directory: " + dataPath);
6190                    pkg.applicationInfo.dataDir = null;
6191                }
6192            }
6193
6194            pkgSetting.uidError = uidError;
6195        }
6196
6197        final String path = scanFile.getPath();
6198        final String codePath = pkg.applicationInfo.getCodePath();
6199        final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting);
6200        if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) {
6201            setBundledAppAbisAndRoots(pkg, pkgSetting);
6202
6203            // If we haven't found any native libraries for the app, check if it has
6204            // renderscript code. We'll need to force the app to 32 bit if it has
6205            // renderscript bitcode.
6206            if (pkg.applicationInfo.primaryCpuAbi == null
6207                    && pkg.applicationInfo.secondaryCpuAbi == null
6208                    && Build.SUPPORTED_64_BIT_ABIS.length >  0) {
6209                NativeLibraryHelper.Handle handle = null;
6210                try {
6211                    handle = NativeLibraryHelper.Handle.create(scanFile);
6212                    if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
6213                        pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
6214                    }
6215                } catch (IOException ioe) {
6216                    Slog.w(TAG, "Error scanning system app : " + ioe);
6217                } finally {
6218                    IoUtils.closeQuietly(handle);
6219                }
6220            }
6221
6222            setNativeLibraryPaths(pkg);
6223        } else {
6224            // TODO: We can probably be smarter about this stuff. For installed apps,
6225            // we can calculate this information at install time once and for all. For
6226            // system apps, we can probably assume that this information doesn't change
6227            // after the first boot scan. As things stand, we do lots of unnecessary work.
6228
6229            // Give ourselves some initial paths; we'll come back for another
6230            // pass once we've determined ABI below.
6231            setNativeLibraryPaths(pkg);
6232
6233            final boolean isAsec = pkg.isForwardLocked() || isExternal(pkg);
6234            final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir;
6235            final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa;
6236
6237            NativeLibraryHelper.Handle handle = null;
6238            try {
6239                handle = NativeLibraryHelper.Handle.create(scanFile);
6240                // TODO(multiArch): This can be null for apps that didn't go through the
6241                // usual installation process. We can calculate it again, like we
6242                // do during install time.
6243                //
6244                // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally
6245                // unnecessary.
6246                final File nativeLibraryRoot = new File(nativeLibraryRootStr);
6247
6248                // Null out the abis so that they can be recalculated.
6249                pkg.applicationInfo.primaryCpuAbi = null;
6250                pkg.applicationInfo.secondaryCpuAbi = null;
6251                if (isMultiArch(pkg.applicationInfo)) {
6252                    // Warn if we've set an abiOverride for multi-lib packages..
6253                    // By definition, we need to copy both 32 and 64 bit libraries for
6254                    // such packages.
6255                    if (pkg.cpuAbiOverride != null
6256                            && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) {
6257                        Slog.w(TAG, "Ignoring abiOverride for multi arch application.");
6258                    }
6259
6260                    int abi32 = PackageManager.NO_NATIVE_LIBRARIES;
6261                    int abi64 = PackageManager.NO_NATIVE_LIBRARIES;
6262                    if (Build.SUPPORTED_32_BIT_ABIS.length > 0) {
6263                        if (isAsec) {
6264                            abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS);
6265                        } else {
6266                            abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
6267                                    nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS,
6268                                    useIsaSpecificSubdirs);
6269                        }
6270                    }
6271
6272                    maybeThrowExceptionForMultiArchCopy(
6273                            "Error unpackaging 32 bit native libs for multiarch app.", abi32);
6274
6275                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0) {
6276                        if (isAsec) {
6277                            abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS);
6278                        } else {
6279                            abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
6280                                    nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS,
6281                                    useIsaSpecificSubdirs);
6282                        }
6283                    }
6284
6285                    maybeThrowExceptionForMultiArchCopy(
6286                            "Error unpackaging 64 bit native libs for multiarch app.", abi64);
6287
6288                    if (abi64 >= 0) {
6289                        pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64];
6290                    }
6291
6292                    if (abi32 >= 0) {
6293                        final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32];
6294                        if (abi64 >= 0) {
6295                            pkg.applicationInfo.secondaryCpuAbi = abi;
6296                        } else {
6297                            pkg.applicationInfo.primaryCpuAbi = abi;
6298                        }
6299                    }
6300                } else {
6301                    String[] abiList = (cpuAbiOverride != null) ?
6302                            new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS;
6303
6304                    // Enable gross and lame hacks for apps that are built with old
6305                    // SDK tools. We must scan their APKs for renderscript bitcode and
6306                    // not launch them if it's present. Don't bother checking on devices
6307                    // that don't have 64 bit support.
6308                    boolean needsRenderScriptOverride = false;
6309                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null &&
6310                            NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
6311                        abiList = Build.SUPPORTED_32_BIT_ABIS;
6312                        needsRenderScriptOverride = true;
6313                    }
6314
6315                    final int copyRet;
6316                    if (isAsec) {
6317                        copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList);
6318                    } else {
6319                        copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
6320                                nativeLibraryRoot, abiList, useIsaSpecificSubdirs);
6321                    }
6322
6323                    if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) {
6324                        throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
6325                                "Error unpackaging native libs for app, errorCode=" + copyRet);
6326                    }
6327
6328                    if (copyRet >= 0) {
6329                        pkg.applicationInfo.primaryCpuAbi = abiList[copyRet];
6330                    } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) {
6331                        pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride;
6332                    } else if (needsRenderScriptOverride) {
6333                        pkg.applicationInfo.primaryCpuAbi = abiList[0];
6334                    }
6335                }
6336            } catch (IOException ioe) {
6337                Slog.e(TAG, "Unable to get canonical file " + ioe.toString());
6338            } finally {
6339                IoUtils.closeQuietly(handle);
6340            }
6341
6342            // Now that we've calculated the ABIs and determined if it's an internal app,
6343            // we will go ahead and populate the nativeLibraryPath.
6344            setNativeLibraryPaths(pkg);
6345
6346            if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path);
6347            final int[] userIds = sUserManager.getUserIds();
6348            synchronized (mInstallLock) {
6349                // Create a native library symlink only if we have native libraries
6350                // and if the native libraries are 32 bit libraries. We do not provide
6351                // this symlink for 64 bit libraries.
6352                if (pkg.applicationInfo.primaryCpuAbi != null &&
6353                        !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
6354                    final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
6355                    for (int userId : userIds) {
6356                        if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName,
6357                                nativeLibPath, userId) < 0) {
6358                            throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
6359                                    "Failed linking native library dir (user=" + userId + ")");
6360                        }
6361                    }
6362                }
6363            }
6364        }
6365
6366        // This is a special case for the "system" package, where the ABI is
6367        // dictated by the zygote configuration (and init.rc). We should keep track
6368        // of this ABI so that we can deal with "normal" applications that run under
6369        // the same UID correctly.
6370        if (mPlatformPackage == pkg) {
6371            pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ?
6372                    Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0];
6373        }
6374
6375        pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
6376        pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
6377        pkgSetting.cpuAbiOverrideString = cpuAbiOverride;
6378        // Copy the derived override back to the parsed package, so that we can
6379        // update the package settings accordingly.
6380        pkg.cpuAbiOverride = cpuAbiOverride;
6381
6382        if (DEBUG_ABI_SELECTION) {
6383            Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName
6384                    + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa="
6385                    + pkg.applicationInfo.nativeLibraryRootRequiresIsa);
6386        }
6387
6388        // Push the derived path down into PackageSettings so we know what to
6389        // clean up at uninstall time.
6390        pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir;
6391
6392        if (DEBUG_ABI_SELECTION) {
6393            Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" +
6394                    " primary=" + pkg.applicationInfo.primaryCpuAbi +
6395                    " secondary=" + pkg.applicationInfo.secondaryCpuAbi);
6396        }
6397
6398        if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) {
6399            // We don't do this here during boot because we can do it all
6400            // at once after scanning all existing packages.
6401            //
6402            // We also do this *before* we perform dexopt on this package, so that
6403            // we can avoid redundant dexopts, and also to make sure we've got the
6404            // code and package path correct.
6405            adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages,
6406                    pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0);
6407        }
6408
6409        if ((scanFlags & SCAN_NO_DEX) == 0) {
6410            int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */,
6411                    forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */);
6412            if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
6413                throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI");
6414            }
6415        }
6416        if (mFactoryTest && pkg.requestedPermissions.contains(
6417                android.Manifest.permission.FACTORY_TEST)) {
6418            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST;
6419        }
6420
6421        ArrayList<PackageParser.Package> clientLibPkgs = null;
6422
6423        // writer
6424        synchronized (mPackages) {
6425            if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
6426                // Only system apps can add new shared libraries.
6427                if (pkg.libraryNames != null) {
6428                    for (int i=0; i<pkg.libraryNames.size(); i++) {
6429                        String name = pkg.libraryNames.get(i);
6430                        boolean allowed = false;
6431                        if (pkg.isUpdatedSystemApp()) {
6432                            // New library entries can only be added through the
6433                            // system image.  This is important to get rid of a lot
6434                            // of nasty edge cases: for example if we allowed a non-
6435                            // system update of the app to add a library, then uninstalling
6436                            // the update would make the library go away, and assumptions
6437                            // we made such as through app install filtering would now
6438                            // have allowed apps on the device which aren't compatible
6439                            // with it.  Better to just have the restriction here, be
6440                            // conservative, and create many fewer cases that can negatively
6441                            // impact the user experience.
6442                            final PackageSetting sysPs = mSettings
6443                                    .getDisabledSystemPkgLPr(pkg.packageName);
6444                            if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) {
6445                                for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) {
6446                                    if (name.equals(sysPs.pkg.libraryNames.get(j))) {
6447                                        allowed = true;
6448                                        allowed = true;
6449                                        break;
6450                                    }
6451                                }
6452                            }
6453                        } else {
6454                            allowed = true;
6455                        }
6456                        if (allowed) {
6457                            if (!mSharedLibraries.containsKey(name)) {
6458                                mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName));
6459                            } else if (!name.equals(pkg.packageName)) {
6460                                Slog.w(TAG, "Package " + pkg.packageName + " library "
6461                                        + name + " already exists; skipping");
6462                            }
6463                        } else {
6464                            Slog.w(TAG, "Package " + pkg.packageName + " declares lib "
6465                                    + name + " that is not declared on system image; skipping");
6466                        }
6467                    }
6468                    if ((scanFlags&SCAN_BOOTING) == 0) {
6469                        // If we are not booting, we need to update any applications
6470                        // that are clients of our shared library.  If we are booting,
6471                        // this will all be done once the scan is complete.
6472                        clientLibPkgs = updateAllSharedLibrariesLPw(pkg);
6473                    }
6474                }
6475            }
6476        }
6477
6478        // We also need to dexopt any apps that are dependent on this library.  Note that
6479        // if these fail, we should abort the install since installing the library will
6480        // result in some apps being broken.
6481        if (clientLibPkgs != null) {
6482            if ((scanFlags & SCAN_NO_DEX) == 0) {
6483                for (int i = 0; i < clientLibPkgs.size(); i++) {
6484                    PackageParser.Package clientPkg = clientLibPkgs.get(i);
6485                    int result = mPackageDexOptimizer.performDexOpt(clientPkg,
6486                            null /* instruction sets */, forceDex,
6487                            (scanFlags & SCAN_DEFER_DEX) != 0, false);
6488                    if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
6489                        throw new PackageManagerException(INSTALL_FAILED_DEXOPT,
6490                                "scanPackageLI failed to dexopt clientLibPkgs");
6491                    }
6492                }
6493            }
6494        }
6495
6496        // Also need to kill any apps that are dependent on the library.
6497        if (clientLibPkgs != null) {
6498            for (int i=0; i<clientLibPkgs.size(); i++) {
6499                PackageParser.Package clientPkg = clientLibPkgs.get(i);
6500                killApplication(clientPkg.applicationInfo.packageName,
6501                        clientPkg.applicationInfo.uid, "update lib");
6502            }
6503        }
6504
6505        // writer
6506        synchronized (mPackages) {
6507            // We don't expect installation to fail beyond this point
6508
6509            // Add the new setting to mSettings
6510            mSettings.insertPackageSettingLPw(pkgSetting, pkg);
6511            // Add the new setting to mPackages
6512            mPackages.put(pkg.applicationInfo.packageName, pkg);
6513            // Make sure we don't accidentally delete its data.
6514            final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator();
6515            while (iter.hasNext()) {
6516                PackageCleanItem item = iter.next();
6517                if (pkgName.equals(item.packageName)) {
6518                    iter.remove();
6519                }
6520            }
6521
6522            // Take care of first install / last update times.
6523            if (currentTime != 0) {
6524                if (pkgSetting.firstInstallTime == 0) {
6525                    pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime;
6526                } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) {
6527                    pkgSetting.lastUpdateTime = currentTime;
6528                }
6529            } else if (pkgSetting.firstInstallTime == 0) {
6530                // We need *something*.  Take time time stamp of the file.
6531                pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime;
6532            } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) {
6533                if (scanFileTime != pkgSetting.timeStamp) {
6534                    // A package on the system image has changed; consider this
6535                    // to be an update.
6536                    pkgSetting.lastUpdateTime = scanFileTime;
6537                }
6538            }
6539
6540            // Add the package's KeySets to the global KeySetManagerService
6541            KeySetManagerService ksms = mSettings.mKeySetManagerService;
6542            try {
6543                ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys);
6544                if (pkg.mKeySetMapping != null) {
6545                    ksms.addDefinedKeySetsToPackageLPw(pkg.packageName, pkg.mKeySetMapping);
6546                    if (pkg.mUpgradeKeySets != null) {
6547                        ksms.addUpgradeKeySetsToPackageLPw(pkg.packageName, pkg.mUpgradeKeySets);
6548                    }
6549                }
6550            } catch (NullPointerException e) {
6551                Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e);
6552            } catch (IllegalArgumentException e) {
6553                Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e);
6554            }
6555
6556            int N = pkg.providers.size();
6557            StringBuilder r = null;
6558            int i;
6559            for (i=0; i<N; i++) {
6560                PackageParser.Provider p = pkg.providers.get(i);
6561                p.info.processName = fixProcessName(pkg.applicationInfo.processName,
6562                        p.info.processName, pkg.applicationInfo.uid);
6563                mProviders.addProvider(p);
6564                p.syncable = p.info.isSyncable;
6565                if (p.info.authority != null) {
6566                    String names[] = p.info.authority.split(";");
6567                    p.info.authority = null;
6568                    for (int j = 0; j < names.length; j++) {
6569                        if (j == 1 && p.syncable) {
6570                            // We only want the first authority for a provider to possibly be
6571                            // syncable, so if we already added this provider using a different
6572                            // authority clear the syncable flag. We copy the provider before
6573                            // changing it because the mProviders object contains a reference
6574                            // to a provider that we don't want to change.
6575                            // Only do this for the second authority since the resulting provider
6576                            // object can be the same for all future authorities for this provider.
6577                            p = new PackageParser.Provider(p);
6578                            p.syncable = false;
6579                        }
6580                        if (!mProvidersByAuthority.containsKey(names[j])) {
6581                            mProvidersByAuthority.put(names[j], p);
6582                            if (p.info.authority == null) {
6583                                p.info.authority = names[j];
6584                            } else {
6585                                p.info.authority = p.info.authority + ";" + names[j];
6586                            }
6587                            if (DEBUG_PACKAGE_SCANNING) {
6588                                if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
6589                                    Log.d(TAG, "Registered content provider: " + names[j]
6590                                            + ", className = " + p.info.name + ", isSyncable = "
6591                                            + p.info.isSyncable);
6592                            }
6593                        } else {
6594                            PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
6595                            Slog.w(TAG, "Skipping provider name " + names[j] +
6596                                    " (in package " + pkg.applicationInfo.packageName +
6597                                    "): name already used by "
6598                                    + ((other != null && other.getComponentName() != null)
6599                                            ? other.getComponentName().getPackageName() : "?"));
6600                        }
6601                    }
6602                }
6603                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6604                    if (r == null) {
6605                        r = new StringBuilder(256);
6606                    } else {
6607                        r.append(' ');
6608                    }
6609                    r.append(p.info.name);
6610                }
6611            }
6612            if (r != null) {
6613                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Providers: " + r);
6614            }
6615
6616            N = pkg.services.size();
6617            r = null;
6618            for (i=0; i<N; i++) {
6619                PackageParser.Service s = pkg.services.get(i);
6620                s.info.processName = fixProcessName(pkg.applicationInfo.processName,
6621                        s.info.processName, pkg.applicationInfo.uid);
6622                mServices.addService(s);
6623                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6624                    if (r == null) {
6625                        r = new StringBuilder(256);
6626                    } else {
6627                        r.append(' ');
6628                    }
6629                    r.append(s.info.name);
6630                }
6631            }
6632            if (r != null) {
6633                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Services: " + r);
6634            }
6635
6636            N = pkg.receivers.size();
6637            r = null;
6638            for (i=0; i<N; i++) {
6639                PackageParser.Activity a = pkg.receivers.get(i);
6640                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
6641                        a.info.processName, pkg.applicationInfo.uid);
6642                mReceivers.addActivity(a, "receiver");
6643                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6644                    if (r == null) {
6645                        r = new StringBuilder(256);
6646                    } else {
6647                        r.append(' ');
6648                    }
6649                    r.append(a.info.name);
6650                }
6651            }
6652            if (r != null) {
6653                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Receivers: " + r);
6654            }
6655
6656            N = pkg.activities.size();
6657            r = null;
6658            for (i=0; i<N; i++) {
6659                PackageParser.Activity a = pkg.activities.get(i);
6660                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
6661                        a.info.processName, pkg.applicationInfo.uid);
6662                mActivities.addActivity(a, "activity");
6663                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6664                    if (r == null) {
6665                        r = new StringBuilder(256);
6666                    } else {
6667                        r.append(' ');
6668                    }
6669                    r.append(a.info.name);
6670                }
6671            }
6672            if (r != null) {
6673                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Activities: " + r);
6674            }
6675
6676            N = pkg.permissionGroups.size();
6677            r = null;
6678            for (i=0; i<N; i++) {
6679                PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i);
6680                PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name);
6681                if (cur == null) {
6682                    mPermissionGroups.put(pg.info.name, pg);
6683                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6684                        if (r == null) {
6685                            r = new StringBuilder(256);
6686                        } else {
6687                            r.append(' ');
6688                        }
6689                        r.append(pg.info.name);
6690                    }
6691                } else {
6692                    Slog.w(TAG, "Permission group " + pg.info.name + " from package "
6693                            + pg.info.packageName + " ignored: original from "
6694                            + cur.info.packageName);
6695                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6696                        if (r == null) {
6697                            r = new StringBuilder(256);
6698                        } else {
6699                            r.append(' ');
6700                        }
6701                        r.append("DUP:");
6702                        r.append(pg.info.name);
6703                    }
6704                }
6705            }
6706            if (r != null) {
6707                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permission Groups: " + r);
6708            }
6709
6710            N = pkg.permissions.size();
6711            r = null;
6712            for (i=0; i<N; i++) {
6713                PackageParser.Permission p = pkg.permissions.get(i);
6714
6715                // Now that permission groups have a special meaning, we ignore permission
6716                // groups for legacy apps to prevent unexpected behavior. In particular,
6717                // permissions for one app being granted to someone just becuase they happen
6718                // to be in a group defined by another app (before this had no implications).
6719                if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) {
6720                    p.group = mPermissionGroups.get(p.info.group);
6721                    // Warn for a permission in an unknown group.
6722                    if (p.info.group != null && p.group == null) {
6723                        Slog.w(TAG, "Permission " + p.info.name + " from package "
6724                                + p.info.packageName + " in an unknown group " + p.info.group);
6725                    }
6726                }
6727
6728                ArrayMap<String, BasePermission> permissionMap =
6729                        p.tree ? mSettings.mPermissionTrees
6730                                : mSettings.mPermissions;
6731                BasePermission bp = permissionMap.get(p.info.name);
6732
6733                // Allow system apps to redefine non-system permissions
6734                if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) {
6735                    final boolean currentOwnerIsSystem = (bp.perm != null
6736                            && isSystemApp(bp.perm.owner));
6737                    if (isSystemApp(p.owner)) {
6738                        if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) {
6739                            // It's a built-in permission and no owner, take ownership now
6740                            bp.packageSetting = pkgSetting;
6741                            bp.perm = p;
6742                            bp.uid = pkg.applicationInfo.uid;
6743                            bp.sourcePackage = p.info.packageName;
6744                        } else if (!currentOwnerIsSystem) {
6745                            String msg = "New decl " + p.owner + " of permission  "
6746                                    + p.info.name + " is system; overriding " + bp.sourcePackage;
6747                            reportSettingsProblem(Log.WARN, msg);
6748                            bp = null;
6749                        }
6750                    }
6751                }
6752
6753                if (bp == null) {
6754                    bp = new BasePermission(p.info.name, p.info.packageName,
6755                            BasePermission.TYPE_NORMAL);
6756                    permissionMap.put(p.info.name, bp);
6757                }
6758
6759                if (bp.perm == null) {
6760                    if (bp.sourcePackage == null
6761                            || bp.sourcePackage.equals(p.info.packageName)) {
6762                        BasePermission tree = findPermissionTreeLP(p.info.name);
6763                        if (tree == null
6764                                || tree.sourcePackage.equals(p.info.packageName)) {
6765                            bp.packageSetting = pkgSetting;
6766                            bp.perm = p;
6767                            bp.uid = pkg.applicationInfo.uid;
6768                            bp.sourcePackage = p.info.packageName;
6769                            if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6770                                if (r == null) {
6771                                    r = new StringBuilder(256);
6772                                } else {
6773                                    r.append(' ');
6774                                }
6775                                r.append(p.info.name);
6776                            }
6777                        } else {
6778                            Slog.w(TAG, "Permission " + p.info.name + " from package "
6779                                    + p.info.packageName + " ignored: base tree "
6780                                    + tree.name + " is from package "
6781                                    + tree.sourcePackage);
6782                        }
6783                    } else {
6784                        Slog.w(TAG, "Permission " + p.info.name + " from package "
6785                                + p.info.packageName + " ignored: original from "
6786                                + bp.sourcePackage);
6787                    }
6788                } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6789                    if (r == null) {
6790                        r = new StringBuilder(256);
6791                    } else {
6792                        r.append(' ');
6793                    }
6794                    r.append("DUP:");
6795                    r.append(p.info.name);
6796                }
6797                if (bp.perm == p) {
6798                    bp.protectionLevel = p.info.protectionLevel;
6799                }
6800            }
6801
6802            if (r != null) {
6803                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permissions: " + r);
6804            }
6805
6806            N = pkg.instrumentation.size();
6807            r = null;
6808            for (i=0; i<N; i++) {
6809                PackageParser.Instrumentation a = pkg.instrumentation.get(i);
6810                a.info.packageName = pkg.applicationInfo.packageName;
6811                a.info.sourceDir = pkg.applicationInfo.sourceDir;
6812                a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir;
6813                a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs;
6814                a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs;
6815                a.info.dataDir = pkg.applicationInfo.dataDir;
6816
6817                // TODO: Update instrumentation.nativeLibraryDir as well ? Does it
6818                // need other information about the application, like the ABI and what not ?
6819                a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir;
6820                mInstrumentation.put(a.getComponentName(), a);
6821                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6822                    if (r == null) {
6823                        r = new StringBuilder(256);
6824                    } else {
6825                        r.append(' ');
6826                    }
6827                    r.append(a.info.name);
6828                }
6829            }
6830            if (r != null) {
6831                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Instrumentation: " + r);
6832            }
6833
6834            if (pkg.protectedBroadcasts != null) {
6835                N = pkg.protectedBroadcasts.size();
6836                for (i=0; i<N; i++) {
6837                    mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i));
6838                }
6839            }
6840
6841            pkgSetting.setTimeStamp(scanFileTime);
6842
6843            // Create idmap files for pairs of (packages, overlay packages).
6844            // Note: "android", ie framework-res.apk, is handled by native layers.
6845            if (pkg.mOverlayTarget != null) {
6846                // This is an overlay package.
6847                if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) {
6848                    if (!mOverlays.containsKey(pkg.mOverlayTarget)) {
6849                        mOverlays.put(pkg.mOverlayTarget,
6850                                new ArrayMap<String, PackageParser.Package>());
6851                    }
6852                    ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget);
6853                    map.put(pkg.packageName, pkg);
6854                    PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget);
6855                    if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) {
6856                        throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
6857                                "scanPackageLI failed to createIdmap");
6858                    }
6859                }
6860            } else if (mOverlays.containsKey(pkg.packageName) &&
6861                    !pkg.packageName.equals("android")) {
6862                // This is a regular package, with one or more known overlay packages.
6863                createIdmapsForPackageLI(pkg);
6864            }
6865        }
6866
6867        return pkg;
6868    }
6869
6870    /**
6871     * Adjusts ABIs for a set of packages belonging to a shared user so that they all match.
6872     * i.e, so that all packages can be run inside a single process if required.
6873     *
6874     * Optionally, callers can pass in a parsed package via {@code newPackage} in which case
6875     * this function will either try and make the ABI for all packages in {@code packagesForUser}
6876     * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match
6877     * the ABI selected for {@code packagesForUser}. This variant is used when installing or
6878     * updating a package that belongs to a shared user.
6879     *
6880     * NOTE: We currently only match for the primary CPU abi string. Matching the secondary
6881     * adds unnecessary complexity.
6882     */
6883    private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser,
6884            PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) {
6885        String requiredInstructionSet = null;
6886        if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) {
6887            requiredInstructionSet = VMRuntime.getInstructionSet(
6888                     scannedPackage.applicationInfo.primaryCpuAbi);
6889        }
6890
6891        PackageSetting requirer = null;
6892        for (PackageSetting ps : packagesForUser) {
6893            // If packagesForUser contains scannedPackage, we skip it. This will happen
6894            // when scannedPackage is an update of an existing package. Without this check,
6895            // we will never be able to change the ABI of any package belonging to a shared
6896            // user, even if it's compatible with other packages.
6897            if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
6898                if (ps.primaryCpuAbiString == null) {
6899                    continue;
6900                }
6901
6902                final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString);
6903                if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) {
6904                    // We have a mismatch between instruction sets (say arm vs arm64) warn about
6905                    // this but there's not much we can do.
6906                    String errorMessage = "Instruction set mismatch, "
6907                            + ((requirer == null) ? "[caller]" : requirer)
6908                            + " requires " + requiredInstructionSet + " whereas " + ps
6909                            + " requires " + instructionSet;
6910                    Slog.w(TAG, errorMessage);
6911                }
6912
6913                if (requiredInstructionSet == null) {
6914                    requiredInstructionSet = instructionSet;
6915                    requirer = ps;
6916                }
6917            }
6918        }
6919
6920        if (requiredInstructionSet != null) {
6921            String adjustedAbi;
6922            if (requirer != null) {
6923                // requirer != null implies that either scannedPackage was null or that scannedPackage
6924                // did not require an ABI, in which case we have to adjust scannedPackage to match
6925                // the ABI of the set (which is the same as requirer's ABI)
6926                adjustedAbi = requirer.primaryCpuAbiString;
6927                if (scannedPackage != null) {
6928                    scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi;
6929                }
6930            } else {
6931                // requirer == null implies that we're updating all ABIs in the set to
6932                // match scannedPackage.
6933                adjustedAbi =  scannedPackage.applicationInfo.primaryCpuAbi;
6934            }
6935
6936            for (PackageSetting ps : packagesForUser) {
6937                if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
6938                    if (ps.primaryCpuAbiString != null) {
6939                        continue;
6940                    }
6941
6942                    ps.primaryCpuAbiString = adjustedAbi;
6943                    if (ps.pkg != null && ps.pkg.applicationInfo != null) {
6944                        ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi;
6945                        Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi);
6946
6947                        int result = mPackageDexOptimizer.performDexOpt(ps.pkg,
6948                                null /* instruction sets */, forceDexOpt, deferDexOpt, true);
6949                        if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
6950                            ps.primaryCpuAbiString = null;
6951                            ps.pkg.applicationInfo.primaryCpuAbi = null;
6952                            return;
6953                        } else {
6954                            mInstaller.rmdex(ps.codePathString,
6955                                    getDexCodeInstructionSet(getPreferredInstructionSet()));
6956                        }
6957                    }
6958                }
6959            }
6960        }
6961    }
6962
6963    private void setUpCustomResolverActivity(PackageParser.Package pkg) {
6964        synchronized (mPackages) {
6965            mResolverReplaced = true;
6966            // Set up information for custom user intent resolution activity.
6967            mResolveActivity.applicationInfo = pkg.applicationInfo;
6968            mResolveActivity.name = mCustomResolverComponentName.getClassName();
6969            mResolveActivity.packageName = pkg.applicationInfo.packageName;
6970            mResolveActivity.processName = pkg.applicationInfo.packageName;
6971            mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
6972            mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS |
6973                    ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS;
6974            mResolveActivity.theme = 0;
6975            mResolveActivity.exported = true;
6976            mResolveActivity.enabled = true;
6977            mResolveInfo.activityInfo = mResolveActivity;
6978            mResolveInfo.priority = 0;
6979            mResolveInfo.preferredOrder = 0;
6980            mResolveInfo.match = 0;
6981            mResolveComponentName = mCustomResolverComponentName;
6982            Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " +
6983                    mResolveComponentName);
6984        }
6985    }
6986
6987    private static String calculateBundledApkRoot(final String codePathString) {
6988        final File codePath = new File(codePathString);
6989        final File codeRoot;
6990        if (FileUtils.contains(Environment.getRootDirectory(), codePath)) {
6991            codeRoot = Environment.getRootDirectory();
6992        } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) {
6993            codeRoot = Environment.getOemDirectory();
6994        } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) {
6995            codeRoot = Environment.getVendorDirectory();
6996        } else {
6997            // Unrecognized code path; take its top real segment as the apk root:
6998            // e.g. /something/app/blah.apk => /something
6999            try {
7000                File f = codePath.getCanonicalFile();
7001                File parent = f.getParentFile();    // non-null because codePath is a file
7002                File tmp;
7003                while ((tmp = parent.getParentFile()) != null) {
7004                    f = parent;
7005                    parent = tmp;
7006                }
7007                codeRoot = f;
7008                Slog.w(TAG, "Unrecognized code path "
7009                        + codePath + " - using " + codeRoot);
7010            } catch (IOException e) {
7011                // Can't canonicalize the code path -- shenanigans?
7012                Slog.w(TAG, "Can't canonicalize code path " + codePath);
7013                return Environment.getRootDirectory().getPath();
7014            }
7015        }
7016        return codeRoot.getPath();
7017    }
7018
7019    /**
7020     * Derive and set the location of native libraries for the given package,
7021     * which varies depending on where and how the package was installed.
7022     */
7023    private void setNativeLibraryPaths(PackageParser.Package pkg) {
7024        final ApplicationInfo info = pkg.applicationInfo;
7025        final String codePath = pkg.codePath;
7026        final File codeFile = new File(codePath);
7027        final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp();
7028        final boolean asecApp = info.isForwardLocked() || isExternal(info);
7029
7030        info.nativeLibraryRootDir = null;
7031        info.nativeLibraryRootRequiresIsa = false;
7032        info.nativeLibraryDir = null;
7033        info.secondaryNativeLibraryDir = null;
7034
7035        if (isApkFile(codeFile)) {
7036            // Monolithic install
7037            if (bundledApp) {
7038                // If "/system/lib64/apkname" exists, assume that is the per-package
7039                // native library directory to use; otherwise use "/system/lib/apkname".
7040                final String apkRoot = calculateBundledApkRoot(info.sourceDir);
7041                final boolean is64Bit = VMRuntime.is64BitInstructionSet(
7042                        getPrimaryInstructionSet(info));
7043
7044                // This is a bundled system app so choose the path based on the ABI.
7045                // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this
7046                // is just the default path.
7047                final String apkName = deriveCodePathName(codePath);
7048                final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME;
7049                info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir,
7050                        apkName).getAbsolutePath();
7051
7052                if (info.secondaryCpuAbi != null) {
7053                    final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME;
7054                    info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot),
7055                            secondaryLibDir, apkName).getAbsolutePath();
7056                }
7057            } else if (asecApp) {
7058                info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME)
7059                        .getAbsolutePath();
7060            } else {
7061                final String apkName = deriveCodePathName(codePath);
7062                info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName)
7063                        .getAbsolutePath();
7064            }
7065
7066            info.nativeLibraryRootRequiresIsa = false;
7067            info.nativeLibraryDir = info.nativeLibraryRootDir;
7068        } else {
7069            // Cluster install
7070            info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath();
7071            info.nativeLibraryRootRequiresIsa = true;
7072
7073            info.nativeLibraryDir = new File(info.nativeLibraryRootDir,
7074                    getPrimaryInstructionSet(info)).getAbsolutePath();
7075
7076            if (info.secondaryCpuAbi != null) {
7077                info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir,
7078                        VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath();
7079            }
7080        }
7081    }
7082
7083    /**
7084     * Calculate the abis and roots for a bundled app. These can uniquely
7085     * be determined from the contents of the system partition, i.e whether
7086     * it contains 64 or 32 bit shared libraries etc. We do not validate any
7087     * of this information, and instead assume that the system was built
7088     * sensibly.
7089     */
7090    private void setBundledAppAbisAndRoots(PackageParser.Package pkg,
7091                                           PackageSetting pkgSetting) {
7092        final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath());
7093
7094        // If "/system/lib64/apkname" exists, assume that is the per-package
7095        // native library directory to use; otherwise use "/system/lib/apkname".
7096        final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir);
7097        setBundledAppAbi(pkg, apkRoot, apkName);
7098        // pkgSetting might be null during rescan following uninstall of updates
7099        // to a bundled app, so accommodate that possibility.  The settings in
7100        // that case will be established later from the parsed package.
7101        //
7102        // If the settings aren't null, sync them up with what we've just derived.
7103        // note that apkRoot isn't stored in the package settings.
7104        if (pkgSetting != null) {
7105            pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
7106            pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
7107        }
7108    }
7109
7110    /**
7111     * Deduces the ABI of a bundled app and sets the relevant fields on the
7112     * parsed pkg object.
7113     *
7114     * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem}
7115     *        under which system libraries are installed.
7116     * @param apkName the name of the installed package.
7117     */
7118    private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) {
7119        final File codeFile = new File(pkg.codePath);
7120
7121        final boolean has64BitLibs;
7122        final boolean has32BitLibs;
7123        if (isApkFile(codeFile)) {
7124            // Monolithic install
7125            has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists();
7126            has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists();
7127        } else {
7128            // Cluster install
7129            final File rootDir = new File(codeFile, LIB_DIR_NAME);
7130            if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS)
7131                    && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) {
7132                final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]);
7133                has64BitLibs = (new File(rootDir, isa)).exists();
7134            } else {
7135                has64BitLibs = false;
7136            }
7137            if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS)
7138                    && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) {
7139                final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]);
7140                has32BitLibs = (new File(rootDir, isa)).exists();
7141            } else {
7142                has32BitLibs = false;
7143            }
7144        }
7145
7146        if (has64BitLibs && !has32BitLibs) {
7147            // The package has 64 bit libs, but not 32 bit libs. Its primary
7148            // ABI should be 64 bit. We can safely assume here that the bundled
7149            // native libraries correspond to the most preferred ABI in the list.
7150
7151            pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
7152            pkg.applicationInfo.secondaryCpuAbi = null;
7153        } else if (has32BitLibs && !has64BitLibs) {
7154            // The package has 32 bit libs but not 64 bit libs. Its primary
7155            // ABI should be 32 bit.
7156
7157            pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
7158            pkg.applicationInfo.secondaryCpuAbi = null;
7159        } else if (has32BitLibs && has64BitLibs) {
7160            // The application has both 64 and 32 bit bundled libraries. We check
7161            // here that the app declares multiArch support, and warn if it doesn't.
7162            //
7163            // We will be lenient here and record both ABIs. The primary will be the
7164            // ABI that's higher on the list, i.e, a device that's configured to prefer
7165            // 64 bit apps will see a 64 bit primary ABI,
7166
7167            if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) {
7168                Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch.");
7169            }
7170
7171            if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) {
7172                pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
7173                pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
7174            } else {
7175                pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
7176                pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
7177            }
7178        } else {
7179            pkg.applicationInfo.primaryCpuAbi = null;
7180            pkg.applicationInfo.secondaryCpuAbi = null;
7181        }
7182    }
7183
7184    private void killApplication(String pkgName, int appId, String reason) {
7185        // Request the ActivityManager to kill the process(only for existing packages)
7186        // so that we do not end up in a confused state while the user is still using the older
7187        // version of the application while the new one gets installed.
7188        IActivityManager am = ActivityManagerNative.getDefault();
7189        if (am != null) {
7190            try {
7191                am.killApplicationWithAppId(pkgName, appId, reason);
7192            } catch (RemoteException e) {
7193            }
7194        }
7195    }
7196
7197    void removePackageLI(PackageSetting ps, boolean chatty) {
7198        if (DEBUG_INSTALL) {
7199            if (chatty)
7200                Log.d(TAG, "Removing package " + ps.name);
7201        }
7202
7203        // writer
7204        synchronized (mPackages) {
7205            mPackages.remove(ps.name);
7206            final PackageParser.Package pkg = ps.pkg;
7207            if (pkg != null) {
7208                cleanPackageDataStructuresLILPw(pkg, chatty);
7209            }
7210        }
7211    }
7212
7213    void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) {
7214        if (DEBUG_INSTALL) {
7215            if (chatty)
7216                Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName);
7217        }
7218
7219        // writer
7220        synchronized (mPackages) {
7221            mPackages.remove(pkg.applicationInfo.packageName);
7222            cleanPackageDataStructuresLILPw(pkg, chatty);
7223        }
7224    }
7225
7226    void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) {
7227        int N = pkg.providers.size();
7228        StringBuilder r = null;
7229        int i;
7230        for (i=0; i<N; i++) {
7231            PackageParser.Provider p = pkg.providers.get(i);
7232            mProviders.removeProvider(p);
7233            if (p.info.authority == null) {
7234
7235                /* There was another ContentProvider with this authority when
7236                 * this app was installed so this authority is null,
7237                 * Ignore it as we don't have to unregister the provider.
7238                 */
7239                continue;
7240            }
7241            String names[] = p.info.authority.split(";");
7242            for (int j = 0; j < names.length; j++) {
7243                if (mProvidersByAuthority.get(names[j]) == p) {
7244                    mProvidersByAuthority.remove(names[j]);
7245                    if (DEBUG_REMOVE) {
7246                        if (chatty)
7247                            Log.d(TAG, "Unregistered content provider: " + names[j]
7248                                    + ", className = " + p.info.name + ", isSyncable = "
7249                                    + p.info.isSyncable);
7250                    }
7251                }
7252            }
7253            if (DEBUG_REMOVE && chatty) {
7254                if (r == null) {
7255                    r = new StringBuilder(256);
7256                } else {
7257                    r.append(' ');
7258                }
7259                r.append(p.info.name);
7260            }
7261        }
7262        if (r != null) {
7263            if (DEBUG_REMOVE) Log.d(TAG, "  Providers: " + r);
7264        }
7265
7266        N = pkg.services.size();
7267        r = null;
7268        for (i=0; i<N; i++) {
7269            PackageParser.Service s = pkg.services.get(i);
7270            mServices.removeService(s);
7271            if (chatty) {
7272                if (r == null) {
7273                    r = new StringBuilder(256);
7274                } else {
7275                    r.append(' ');
7276                }
7277                r.append(s.info.name);
7278            }
7279        }
7280        if (r != null) {
7281            if (DEBUG_REMOVE) Log.d(TAG, "  Services: " + r);
7282        }
7283
7284        N = pkg.receivers.size();
7285        r = null;
7286        for (i=0; i<N; i++) {
7287            PackageParser.Activity a = pkg.receivers.get(i);
7288            mReceivers.removeActivity(a, "receiver");
7289            if (DEBUG_REMOVE && chatty) {
7290                if (r == null) {
7291                    r = new StringBuilder(256);
7292                } else {
7293                    r.append(' ');
7294                }
7295                r.append(a.info.name);
7296            }
7297        }
7298        if (r != null) {
7299            if (DEBUG_REMOVE) Log.d(TAG, "  Receivers: " + r);
7300        }
7301
7302        N = pkg.activities.size();
7303        r = null;
7304        for (i=0; i<N; i++) {
7305            PackageParser.Activity a = pkg.activities.get(i);
7306            mActivities.removeActivity(a, "activity");
7307            if (DEBUG_REMOVE && chatty) {
7308                if (r == null) {
7309                    r = new StringBuilder(256);
7310                } else {
7311                    r.append(' ');
7312                }
7313                r.append(a.info.name);
7314            }
7315        }
7316        if (r != null) {
7317            if (DEBUG_REMOVE) Log.d(TAG, "  Activities: " + r);
7318        }
7319
7320        N = pkg.permissions.size();
7321        r = null;
7322        for (i=0; i<N; i++) {
7323            PackageParser.Permission p = pkg.permissions.get(i);
7324            BasePermission bp = mSettings.mPermissions.get(p.info.name);
7325            if (bp == null) {
7326                bp = mSettings.mPermissionTrees.get(p.info.name);
7327            }
7328            if (bp != null && bp.perm == p) {
7329                bp.perm = null;
7330                if (DEBUG_REMOVE && chatty) {
7331                    if (r == null) {
7332                        r = new StringBuilder(256);
7333                    } else {
7334                        r.append(' ');
7335                    }
7336                    r.append(p.info.name);
7337                }
7338            }
7339            if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
7340                ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name);
7341                if (appOpPerms != null) {
7342                    appOpPerms.remove(pkg.packageName);
7343                }
7344            }
7345        }
7346        if (r != null) {
7347            if (DEBUG_REMOVE) Log.d(TAG, "  Permissions: " + r);
7348        }
7349
7350        N = pkg.requestedPermissions.size();
7351        r = null;
7352        for (i=0; i<N; i++) {
7353            String perm = pkg.requestedPermissions.get(i);
7354            BasePermission bp = mSettings.mPermissions.get(perm);
7355            if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
7356                ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm);
7357                if (appOpPerms != null) {
7358                    appOpPerms.remove(pkg.packageName);
7359                    if (appOpPerms.isEmpty()) {
7360                        mAppOpPermissionPackages.remove(perm);
7361                    }
7362                }
7363            }
7364        }
7365        if (r != null) {
7366            if (DEBUG_REMOVE) Log.d(TAG, "  Permissions: " + r);
7367        }
7368
7369        N = pkg.instrumentation.size();
7370        r = null;
7371        for (i=0; i<N; i++) {
7372            PackageParser.Instrumentation a = pkg.instrumentation.get(i);
7373            mInstrumentation.remove(a.getComponentName());
7374            if (DEBUG_REMOVE && chatty) {
7375                if (r == null) {
7376                    r = new StringBuilder(256);
7377                } else {
7378                    r.append(' ');
7379                }
7380                r.append(a.info.name);
7381            }
7382        }
7383        if (r != null) {
7384            if (DEBUG_REMOVE) Log.d(TAG, "  Instrumentation: " + r);
7385        }
7386
7387        r = null;
7388        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
7389            // Only system apps can hold shared libraries.
7390            if (pkg.libraryNames != null) {
7391                for (i=0; i<pkg.libraryNames.size(); i++) {
7392                    String name = pkg.libraryNames.get(i);
7393                    SharedLibraryEntry cur = mSharedLibraries.get(name);
7394                    if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) {
7395                        mSharedLibraries.remove(name);
7396                        if (DEBUG_REMOVE && chatty) {
7397                            if (r == null) {
7398                                r = new StringBuilder(256);
7399                            } else {
7400                                r.append(' ');
7401                            }
7402                            r.append(name);
7403                        }
7404                    }
7405                }
7406            }
7407        }
7408        if (r != null) {
7409            if (DEBUG_REMOVE) Log.d(TAG, "  Libraries: " + r);
7410        }
7411    }
7412
7413    private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) {
7414        for (int i=pkgInfo.permissions.size()-1; i>=0; i--) {
7415            if (pkgInfo.permissions.get(i).info.name.equals(perm)) {
7416                return true;
7417            }
7418        }
7419        return false;
7420    }
7421
7422    static final int UPDATE_PERMISSIONS_ALL = 1<<0;
7423    static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1;
7424    static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2;
7425
7426    private void updatePermissionsLPw(String changingPkg,
7427            PackageParser.Package pkgInfo, int flags) {
7428        // Make sure there are no dangling permission trees.
7429        Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator();
7430        while (it.hasNext()) {
7431            final BasePermission bp = it.next();
7432            if (bp.packageSetting == null) {
7433                // We may not yet have parsed the package, so just see if
7434                // we still know about its settings.
7435                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
7436            }
7437            if (bp.packageSetting == null) {
7438                Slog.w(TAG, "Removing dangling permission tree: " + bp.name
7439                        + " from package " + bp.sourcePackage);
7440                it.remove();
7441            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
7442                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
7443                    Slog.i(TAG, "Removing old permission tree: " + bp.name
7444                            + " from package " + bp.sourcePackage);
7445                    flags |= UPDATE_PERMISSIONS_ALL;
7446                    it.remove();
7447                }
7448            }
7449        }
7450
7451        // Make sure all dynamic permissions have been assigned to a package,
7452        // and make sure there are no dangling permissions.
7453        it = mSettings.mPermissions.values().iterator();
7454        while (it.hasNext()) {
7455            final BasePermission bp = it.next();
7456            if (bp.type == BasePermission.TYPE_DYNAMIC) {
7457                if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name="
7458                        + bp.name + " pkg=" + bp.sourcePackage
7459                        + " info=" + bp.pendingInfo);
7460                if (bp.packageSetting == null && bp.pendingInfo != null) {
7461                    final BasePermission tree = findPermissionTreeLP(bp.name);
7462                    if (tree != null && tree.perm != null) {
7463                        bp.packageSetting = tree.packageSetting;
7464                        bp.perm = new PackageParser.Permission(tree.perm.owner,
7465                                new PermissionInfo(bp.pendingInfo));
7466                        bp.perm.info.packageName = tree.perm.info.packageName;
7467                        bp.perm.info.name = bp.name;
7468                        bp.uid = tree.uid;
7469                    }
7470                }
7471            }
7472            if (bp.packageSetting == null) {
7473                // We may not yet have parsed the package, so just see if
7474                // we still know about its settings.
7475                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
7476            }
7477            if (bp.packageSetting == null) {
7478                Slog.w(TAG, "Removing dangling permission: " + bp.name
7479                        + " from package " + bp.sourcePackage);
7480                it.remove();
7481            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
7482                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
7483                    Slog.i(TAG, "Removing old permission: " + bp.name
7484                            + " from package " + bp.sourcePackage);
7485                    flags |= UPDATE_PERMISSIONS_ALL;
7486                    it.remove();
7487                }
7488            }
7489        }
7490
7491        // Now update the permissions for all packages, in particular
7492        // replace the granted permissions of the system packages.
7493        if ((flags&UPDATE_PERMISSIONS_ALL) != 0) {
7494            for (PackageParser.Package pkg : mPackages.values()) {
7495                if (pkg != pkgInfo) {
7496                    grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0,
7497                            changingPkg);
7498                }
7499            }
7500        }
7501
7502        if (pkgInfo != null) {
7503            grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg);
7504        }
7505    }
7506
7507    private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace,
7508            String packageOfInterest) {
7509        // IMPORTANT: There are two types of permissions: install and runtime.
7510        // Install time permissions are granted when the app is installed to
7511        // all device users and users added in the future. Runtime permissions
7512        // are granted at runtime explicitly to specific users. Normal and signature
7513        // protected permissions are install time permissions. Dangerous permissions
7514        // are install permissions if the app's target SDK is Lollipop MR1 or older,
7515        // otherwise they are runtime permissions. This function does not manage
7516        // runtime permissions except for the case an app targeting Lollipop MR1
7517        // being upgraded to target a newer SDK, in which case dangerous permissions
7518        // are transformed from install time to runtime ones.
7519
7520        final PackageSetting ps = (PackageSetting) pkg.mExtras;
7521        if (ps == null) {
7522            return;
7523        }
7524
7525        PermissionsState permissionsState = ps.getPermissionsState();
7526        PermissionsState origPermissions = permissionsState;
7527
7528        final int[] currentUserIds = UserManagerService.getInstance().getUserIds();
7529
7530        int[] upgradeUserIds = PermissionsState.USERS_NONE;
7531        int[] changedRuntimePermissionUserIds = PermissionsState.USERS_NONE;
7532
7533        boolean changedInstallPermission = false;
7534
7535        if (replace) {
7536            ps.installPermissionsFixed = false;
7537            if (!ps.isSharedUser()) {
7538                origPermissions = new PermissionsState(permissionsState);
7539                permissionsState.reset();
7540            }
7541        }
7542
7543        permissionsState.setGlobalGids(mGlobalGids);
7544
7545        final int N = pkg.requestedPermissions.size();
7546        for (int i=0; i<N; i++) {
7547            final String name = pkg.requestedPermissions.get(i);
7548            final BasePermission bp = mSettings.mPermissions.get(name);
7549
7550            if (DEBUG_INSTALL) {
7551                Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp);
7552            }
7553
7554            if (bp == null || bp.packageSetting == null) {
7555                if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) {
7556                    Slog.w(TAG, "Unknown permission " + name
7557                            + " in package " + pkg.packageName);
7558                }
7559                continue;
7560            }
7561
7562            final String perm = bp.name;
7563            boolean allowedSig = false;
7564            int grant = GRANT_DENIED;
7565
7566            // Keep track of app op permissions.
7567            if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
7568                ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name);
7569                if (pkgs == null) {
7570                    pkgs = new ArraySet<>();
7571                    mAppOpPermissionPackages.put(bp.name, pkgs);
7572                }
7573                pkgs.add(pkg.packageName);
7574            }
7575
7576            final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE;
7577            switch (level) {
7578                case PermissionInfo.PROTECTION_NORMAL: {
7579                    // For all apps normal permissions are install time ones.
7580                    grant = GRANT_INSTALL;
7581                } break;
7582
7583                case PermissionInfo.PROTECTION_DANGEROUS: {
7584                    if (!RUNTIME_PERMISSIONS_ENABLED
7585                            || pkg.applicationInfo.targetSdkVersion
7586                                    <= Build.VERSION_CODES.LOLLIPOP_MR1) {
7587                        // For legacy apps dangerous permissions are install time ones.
7588                        grant = GRANT_INSTALL;
7589                    } else if (ps.isSystem()) {
7590                        final int[] updatedUserIds = ps.getPermissionsUpdatedForUserIds();
7591                        if (origPermissions.hasInstallPermission(bp.name)) {
7592                            // If a system app had an install permission, then the app was
7593                            // upgraded and we grant the permissions as runtime to all users.
7594                            grant = GRANT_UPGRADE;
7595                            upgradeUserIds = currentUserIds;
7596                        } else if (!Arrays.equals(updatedUserIds, currentUserIds)) {
7597                            // If users changed since the last permissions update for a
7598                            // system app, we grant the permission as runtime to the new users.
7599                            grant = GRANT_UPGRADE;
7600                            upgradeUserIds = currentUserIds;
7601                            for (int userId : updatedUserIds) {
7602                                upgradeUserIds = ArrayUtils.removeInt(upgradeUserIds, userId);
7603                            }
7604                        } else {
7605                            // Otherwise, we grant the permission as runtime if the app
7606                            // already had it, i.e. we preserve runtime permissions.
7607                            grant = GRANT_RUNTIME;
7608                        }
7609                    } else if (origPermissions.hasInstallPermission(bp.name)) {
7610                        // For legacy apps that became modern, install becomes runtime.
7611                        grant = GRANT_UPGRADE;
7612                        upgradeUserIds = currentUserIds;
7613                    } else if (replace) {
7614                        // For upgraded modern apps keep runtime permissions unchanged.
7615                        grant = GRANT_RUNTIME;
7616                    }
7617                } break;
7618
7619                case PermissionInfo.PROTECTION_SIGNATURE: {
7620                    // For all apps signature permissions are install time ones.
7621                    allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions);
7622                    if (allowedSig) {
7623                        grant = GRANT_INSTALL;
7624                    }
7625                } break;
7626            }
7627
7628            if (DEBUG_INSTALL) {
7629                Log.i(TAG, "Package " + pkg.packageName + " granting " + perm);
7630            }
7631
7632            if (grant != GRANT_DENIED) {
7633                if (!isSystemApp(ps) && ps.installPermissionsFixed) {
7634                    // If this is an existing, non-system package, then
7635                    // we can't add any new permissions to it.
7636                    if (!allowedSig && !origPermissions.hasInstallPermission(perm)) {
7637                        // Except...  if this is a permission that was added
7638                        // to the platform (note: need to only do this when
7639                        // updating the platform).
7640                        if (!isNewPlatformPermissionForPackage(perm, pkg)) {
7641                            grant = GRANT_DENIED;
7642                        }
7643                    }
7644                }
7645
7646                switch (grant) {
7647                    case GRANT_INSTALL: {
7648                        // Grant an install permission.
7649                        if (permissionsState.grantInstallPermission(bp) !=
7650                                PermissionsState.PERMISSION_OPERATION_FAILURE) {
7651                            changedInstallPermission = true;
7652                        }
7653                    } break;
7654
7655                    case GRANT_RUNTIME: {
7656                        // Grant previously granted runtime permissions.
7657                        for (int userId : UserManagerService.getInstance().getUserIds()) {
7658                            if (origPermissions.hasRuntimePermission(bp.name, userId)) {
7659                                if (permissionsState.grantRuntimePermission(bp, userId) ==
7660                                        PermissionsState.PERMISSION_OPERATION_FAILURE) {
7661                                    // If we cannot put the permission as it was, we have to write.
7662                                    changedRuntimePermissionUserIds = ArrayUtils.appendInt(
7663                                            changedRuntimePermissionUserIds, userId);
7664                                }
7665                            }
7666                        }
7667                    } break;
7668
7669                    case GRANT_UPGRADE: {
7670                        // Grant runtime permissions for a previously held install permission.
7671                        permissionsState.revokeInstallPermission(bp);
7672                        for (int userId : upgradeUserIds) {
7673                            if (permissionsState.grantRuntimePermission(bp, userId) !=
7674                                    PermissionsState.PERMISSION_OPERATION_FAILURE) {
7675                                // If we granted the permission, we have to write.
7676                                changedRuntimePermissionUserIds = ArrayUtils.appendInt(
7677                                        changedRuntimePermissionUserIds, userId);
7678                            }
7679                        }
7680                    } break;
7681
7682                    default: {
7683                        if (packageOfInterest == null
7684                                || packageOfInterest.equals(pkg.packageName)) {
7685                            Slog.w(TAG, "Not granting permission " + perm
7686                                    + " to package " + pkg.packageName
7687                                    + " because it was previously installed without");
7688                        }
7689                    } break;
7690                }
7691            } else {
7692                if (permissionsState.revokeInstallPermission(bp) !=
7693                        PermissionsState.PERMISSION_OPERATION_FAILURE) {
7694                    changedInstallPermission = true;
7695                    Slog.i(TAG, "Un-granting permission " + perm
7696                            + " from package " + pkg.packageName
7697                            + " (protectionLevel=" + bp.protectionLevel
7698                            + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
7699                            + ")");
7700                } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) {
7701                    // Don't print warning for app op permissions, since it is fine for them
7702                    // not to be granted, there is a UI for the user to decide.
7703                    if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) {
7704                        Slog.w(TAG, "Not granting permission " + perm
7705                                + " to package " + pkg.packageName
7706                                + " (protectionLevel=" + bp.protectionLevel
7707                                + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
7708                                + ")");
7709                    }
7710                }
7711            }
7712        }
7713
7714        if ((changedInstallPermission || replace) && !ps.installPermissionsFixed &&
7715                !isSystemApp(ps) || isUpdatedSystemApp(ps)){
7716            // This is the first that we have heard about this package, so the
7717            // permissions we have now selected are fixed until explicitly
7718            // changed.
7719            ps.installPermissionsFixed = true;
7720        }
7721
7722        ps.setPermissionsUpdatedForUserIds(currentUserIds);
7723
7724        // Persist the runtime permissions state for users with changes.
7725        if (RUNTIME_PERMISSIONS_ENABLED) {
7726            for (int userId : changedRuntimePermissionUserIds) {
7727                mSettings.writeRuntimePermissionsForUserLPr(userId, true);
7728            }
7729        }
7730    }
7731
7732    private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) {
7733        boolean allowed = false;
7734        final int NP = PackageParser.NEW_PERMISSIONS.length;
7735        for (int ip=0; ip<NP; ip++) {
7736            final PackageParser.NewPermissionInfo npi
7737                    = PackageParser.NEW_PERMISSIONS[ip];
7738            if (npi.name.equals(perm)
7739                    && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) {
7740                allowed = true;
7741                Log.i(TAG, "Auto-granting " + perm + " to old pkg "
7742                        + pkg.packageName);
7743                break;
7744            }
7745        }
7746        return allowed;
7747    }
7748
7749    private boolean grantSignaturePermission(String perm, PackageParser.Package pkg,
7750            BasePermission bp, PermissionsState origPermissions) {
7751        boolean allowed;
7752        allowed = (compareSignatures(
7753                bp.packageSetting.signatures.mSignatures, pkg.mSignatures)
7754                        == PackageManager.SIGNATURE_MATCH)
7755                || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures)
7756                        == PackageManager.SIGNATURE_MATCH);
7757        if (!allowed && (bp.protectionLevel
7758                & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) {
7759            if (isSystemApp(pkg)) {
7760                // For updated system applications, a system permission
7761                // is granted only if it had been defined by the original application.
7762                if (pkg.isUpdatedSystemApp()) {
7763                    final PackageSetting sysPs = mSettings
7764                            .getDisabledSystemPkgLPr(pkg.packageName);
7765                    if (sysPs.getPermissionsState().hasInstallPermission(perm)) {
7766                        // If the original was granted this permission, we take
7767                        // that grant decision as read and propagate it to the
7768                        // update.
7769                        if (sysPs.isPrivileged()) {
7770                            allowed = true;
7771                        }
7772                    } else {
7773                        // The system apk may have been updated with an older
7774                        // version of the one on the data partition, but which
7775                        // granted a new system permission that it didn't have
7776                        // before.  In this case we do want to allow the app to
7777                        // now get the new permission if the ancestral apk is
7778                        // privileged to get it.
7779                        if (sysPs.pkg != null && sysPs.isPrivileged()) {
7780                            for (int j=0;
7781                                    j<sysPs.pkg.requestedPermissions.size(); j++) {
7782                                if (perm.equals(
7783                                        sysPs.pkg.requestedPermissions.get(j))) {
7784                                    allowed = true;
7785                                    break;
7786                                }
7787                            }
7788                        }
7789                    }
7790                } else {
7791                    allowed = isPrivilegedApp(pkg);
7792                }
7793            }
7794        }
7795        if (!allowed && (bp.protectionLevel
7796                & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) {
7797            // For development permissions, a development permission
7798            // is granted only if it was already granted.
7799            allowed = origPermissions.hasInstallPermission(perm);
7800        }
7801        return allowed;
7802    }
7803
7804    final class ActivityIntentResolver
7805            extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> {
7806        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
7807                boolean defaultOnly, int userId) {
7808            if (!sUserManager.exists(userId)) return null;
7809            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
7810            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
7811        }
7812
7813        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
7814                int userId) {
7815            if (!sUserManager.exists(userId)) return null;
7816            mFlags = flags;
7817            return super.queryIntent(intent, resolvedType,
7818                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
7819        }
7820
7821        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
7822                int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) {
7823            if (!sUserManager.exists(userId)) return null;
7824            if (packageActivities == null) {
7825                return null;
7826            }
7827            mFlags = flags;
7828            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
7829            final int N = packageActivities.size();
7830            ArrayList<PackageParser.ActivityIntentInfo[]> listCut =
7831                new ArrayList<PackageParser.ActivityIntentInfo[]>(N);
7832
7833            ArrayList<PackageParser.ActivityIntentInfo> intentFilters;
7834            for (int i = 0; i < N; ++i) {
7835                intentFilters = packageActivities.get(i).intents;
7836                if (intentFilters != null && intentFilters.size() > 0) {
7837                    PackageParser.ActivityIntentInfo[] array =
7838                            new PackageParser.ActivityIntentInfo[intentFilters.size()];
7839                    intentFilters.toArray(array);
7840                    listCut.add(array);
7841                }
7842            }
7843            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
7844        }
7845
7846        public final void addActivity(PackageParser.Activity a, String type) {
7847            final boolean systemApp = a.info.applicationInfo.isSystemApp();
7848            mActivities.put(a.getComponentName(), a);
7849            if (DEBUG_SHOW_INFO)
7850                Log.v(
7851                TAG, "  " + type + " " +
7852                (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":");
7853            if (DEBUG_SHOW_INFO)
7854                Log.v(TAG, "    Class=" + a.info.name);
7855            final int NI = a.intents.size();
7856            for (int j=0; j<NI; j++) {
7857                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
7858                if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) {
7859                    intent.setPriority(0);
7860                    Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity "
7861                            + a.className + " with priority > 0, forcing to 0");
7862                }
7863                if (DEBUG_SHOW_INFO) {
7864                    Log.v(TAG, "    IntentFilter:");
7865                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7866                }
7867                if (!intent.debugCheck()) {
7868                    Log.w(TAG, "==> For Activity " + a.info.name);
7869                }
7870                addFilter(intent);
7871            }
7872        }
7873
7874        public final void removeActivity(PackageParser.Activity a, String type) {
7875            mActivities.remove(a.getComponentName());
7876            if (DEBUG_SHOW_INFO) {
7877                Log.v(TAG, "  " + type + " "
7878                        + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel
7879                                : a.info.name) + ":");
7880                Log.v(TAG, "    Class=" + a.info.name);
7881            }
7882            final int NI = a.intents.size();
7883            for (int j=0; j<NI; j++) {
7884                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
7885                if (DEBUG_SHOW_INFO) {
7886                    Log.v(TAG, "    IntentFilter:");
7887                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7888                }
7889                removeFilter(intent);
7890            }
7891        }
7892
7893        @Override
7894        protected boolean allowFilterResult(
7895                PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) {
7896            ActivityInfo filterAi = filter.activity.info;
7897            for (int i=dest.size()-1; i>=0; i--) {
7898                ActivityInfo destAi = dest.get(i).activityInfo;
7899                if (destAi.name == filterAi.name
7900                        && destAi.packageName == filterAi.packageName) {
7901                    return false;
7902                }
7903            }
7904            return true;
7905        }
7906
7907        @Override
7908        protected ActivityIntentInfo[] newArray(int size) {
7909            return new ActivityIntentInfo[size];
7910        }
7911
7912        @Override
7913        protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) {
7914            if (!sUserManager.exists(userId)) return true;
7915            PackageParser.Package p = filter.activity.owner;
7916            if (p != null) {
7917                PackageSetting ps = (PackageSetting)p.mExtras;
7918                if (ps != null) {
7919                    // System apps are never considered stopped for purposes of
7920                    // filtering, because there may be no way for the user to
7921                    // actually re-launch them.
7922                    return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0
7923                            && ps.getStopped(userId);
7924                }
7925            }
7926            return false;
7927        }
7928
7929        @Override
7930        protected boolean isPackageForFilter(String packageName,
7931                PackageParser.ActivityIntentInfo info) {
7932            return packageName.equals(info.activity.owner.packageName);
7933        }
7934
7935        @Override
7936        protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info,
7937                int match, int userId) {
7938            if (!sUserManager.exists(userId)) return null;
7939            if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) {
7940                return null;
7941            }
7942            final PackageParser.Activity activity = info.activity;
7943            if (mSafeMode && (activity.info.applicationInfo.flags
7944                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
7945                return null;
7946            }
7947            PackageSetting ps = (PackageSetting) activity.owner.mExtras;
7948            if (ps == null) {
7949                return null;
7950            }
7951            ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags,
7952                    ps.readUserState(userId), userId);
7953            if (ai == null) {
7954                return null;
7955            }
7956            final ResolveInfo res = new ResolveInfo();
7957            res.activityInfo = ai;
7958            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
7959                res.filter = info;
7960            }
7961            if (info != null) {
7962                res.handleAllWebDataURI = info.handleAllWebDataURI();
7963            }
7964            res.priority = info.getPriority();
7965            res.preferredOrder = activity.owner.mPreferredOrder;
7966            //System.out.println("Result: " + res.activityInfo.className +
7967            //                   " = " + res.priority);
7968            res.match = match;
7969            res.isDefault = info.hasDefault;
7970            res.labelRes = info.labelRes;
7971            res.nonLocalizedLabel = info.nonLocalizedLabel;
7972            if (userNeedsBadging(userId)) {
7973                res.noResourceId = true;
7974            } else {
7975                res.icon = info.icon;
7976            }
7977            res.system = res.activityInfo.applicationInfo.isSystemApp();
7978            return res;
7979        }
7980
7981        @Override
7982        protected void sortResults(List<ResolveInfo> results) {
7983            Collections.sort(results, mResolvePrioritySorter);
7984        }
7985
7986        @Override
7987        protected void dumpFilter(PrintWriter out, String prefix,
7988                PackageParser.ActivityIntentInfo filter) {
7989            out.print(prefix); out.print(
7990                    Integer.toHexString(System.identityHashCode(filter.activity)));
7991                    out.print(' ');
7992                    filter.activity.printComponentShortName(out);
7993                    out.print(" filter ");
7994                    out.println(Integer.toHexString(System.identityHashCode(filter)));
7995        }
7996
7997        @Override
7998        protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) {
7999            return filter.activity;
8000        }
8001
8002        protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) {
8003            PackageParser.Activity activity = (PackageParser.Activity)label;
8004            out.print(prefix); out.print(
8005                    Integer.toHexString(System.identityHashCode(activity)));
8006                    out.print(' ');
8007                    activity.printComponentShortName(out);
8008            if (count > 1) {
8009                out.print(" ("); out.print(count); out.print(" filters)");
8010            }
8011            out.println();
8012        }
8013
8014//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
8015//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
8016//            final List<ResolveInfo> retList = Lists.newArrayList();
8017//            while (i.hasNext()) {
8018//                final ResolveInfo resolveInfo = i.next();
8019//                if (isEnabledLP(resolveInfo.activityInfo)) {
8020//                    retList.add(resolveInfo);
8021//                }
8022//            }
8023//            return retList;
8024//        }
8025
8026        // Keys are String (activity class name), values are Activity.
8027        private final ArrayMap<ComponentName, PackageParser.Activity> mActivities
8028                = new ArrayMap<ComponentName, PackageParser.Activity>();
8029        private int mFlags;
8030    }
8031
8032    private final class ServiceIntentResolver
8033            extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> {
8034        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
8035                boolean defaultOnly, int userId) {
8036            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
8037            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
8038        }
8039
8040        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
8041                int userId) {
8042            if (!sUserManager.exists(userId)) return null;
8043            mFlags = flags;
8044            return super.queryIntent(intent, resolvedType,
8045                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
8046        }
8047
8048        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
8049                int flags, ArrayList<PackageParser.Service> packageServices, int userId) {
8050            if (!sUserManager.exists(userId)) return null;
8051            if (packageServices == null) {
8052                return null;
8053            }
8054            mFlags = flags;
8055            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
8056            final int N = packageServices.size();
8057            ArrayList<PackageParser.ServiceIntentInfo[]> listCut =
8058                new ArrayList<PackageParser.ServiceIntentInfo[]>(N);
8059
8060            ArrayList<PackageParser.ServiceIntentInfo> intentFilters;
8061            for (int i = 0; i < N; ++i) {
8062                intentFilters = packageServices.get(i).intents;
8063                if (intentFilters != null && intentFilters.size() > 0) {
8064                    PackageParser.ServiceIntentInfo[] array =
8065                            new PackageParser.ServiceIntentInfo[intentFilters.size()];
8066                    intentFilters.toArray(array);
8067                    listCut.add(array);
8068                }
8069            }
8070            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
8071        }
8072
8073        public final void addService(PackageParser.Service s) {
8074            mServices.put(s.getComponentName(), s);
8075            if (DEBUG_SHOW_INFO) {
8076                Log.v(TAG, "  "
8077                        + (s.info.nonLocalizedLabel != null
8078                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
8079                Log.v(TAG, "    Class=" + s.info.name);
8080            }
8081            final int NI = s.intents.size();
8082            int j;
8083            for (j=0; j<NI; j++) {
8084                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
8085                if (DEBUG_SHOW_INFO) {
8086                    Log.v(TAG, "    IntentFilter:");
8087                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
8088                }
8089                if (!intent.debugCheck()) {
8090                    Log.w(TAG, "==> For Service " + s.info.name);
8091                }
8092                addFilter(intent);
8093            }
8094        }
8095
8096        public final void removeService(PackageParser.Service s) {
8097            mServices.remove(s.getComponentName());
8098            if (DEBUG_SHOW_INFO) {
8099                Log.v(TAG, "  " + (s.info.nonLocalizedLabel != null
8100                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
8101                Log.v(TAG, "    Class=" + s.info.name);
8102            }
8103            final int NI = s.intents.size();
8104            int j;
8105            for (j=0; j<NI; j++) {
8106                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
8107                if (DEBUG_SHOW_INFO) {
8108                    Log.v(TAG, "    IntentFilter:");
8109                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
8110                }
8111                removeFilter(intent);
8112            }
8113        }
8114
8115        @Override
8116        protected boolean allowFilterResult(
8117                PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) {
8118            ServiceInfo filterSi = filter.service.info;
8119            for (int i=dest.size()-1; i>=0; i--) {
8120                ServiceInfo destAi = dest.get(i).serviceInfo;
8121                if (destAi.name == filterSi.name
8122                        && destAi.packageName == filterSi.packageName) {
8123                    return false;
8124                }
8125            }
8126            return true;
8127        }
8128
8129        @Override
8130        protected PackageParser.ServiceIntentInfo[] newArray(int size) {
8131            return new PackageParser.ServiceIntentInfo[size];
8132        }
8133
8134        @Override
8135        protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) {
8136            if (!sUserManager.exists(userId)) return true;
8137            PackageParser.Package p = filter.service.owner;
8138            if (p != null) {
8139                PackageSetting ps = (PackageSetting)p.mExtras;
8140                if (ps != null) {
8141                    // System apps are never considered stopped for purposes of
8142                    // filtering, because there may be no way for the user to
8143                    // actually re-launch them.
8144                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
8145                            && ps.getStopped(userId);
8146                }
8147            }
8148            return false;
8149        }
8150
8151        @Override
8152        protected boolean isPackageForFilter(String packageName,
8153                PackageParser.ServiceIntentInfo info) {
8154            return packageName.equals(info.service.owner.packageName);
8155        }
8156
8157        @Override
8158        protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter,
8159                int match, int userId) {
8160            if (!sUserManager.exists(userId)) return null;
8161            final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter;
8162            if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) {
8163                return null;
8164            }
8165            final PackageParser.Service service = info.service;
8166            if (mSafeMode && (service.info.applicationInfo.flags
8167                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
8168                return null;
8169            }
8170            PackageSetting ps = (PackageSetting) service.owner.mExtras;
8171            if (ps == null) {
8172                return null;
8173            }
8174            ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags,
8175                    ps.readUserState(userId), userId);
8176            if (si == null) {
8177                return null;
8178            }
8179            final ResolveInfo res = new ResolveInfo();
8180            res.serviceInfo = si;
8181            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
8182                res.filter = filter;
8183            }
8184            res.priority = info.getPriority();
8185            res.preferredOrder = service.owner.mPreferredOrder;
8186            res.match = match;
8187            res.isDefault = info.hasDefault;
8188            res.labelRes = info.labelRes;
8189            res.nonLocalizedLabel = info.nonLocalizedLabel;
8190            res.icon = info.icon;
8191            res.system = res.serviceInfo.applicationInfo.isSystemApp();
8192            return res;
8193        }
8194
8195        @Override
8196        protected void sortResults(List<ResolveInfo> results) {
8197            Collections.sort(results, mResolvePrioritySorter);
8198        }
8199
8200        @Override
8201        protected void dumpFilter(PrintWriter out, String prefix,
8202                PackageParser.ServiceIntentInfo filter) {
8203            out.print(prefix); out.print(
8204                    Integer.toHexString(System.identityHashCode(filter.service)));
8205                    out.print(' ');
8206                    filter.service.printComponentShortName(out);
8207                    out.print(" filter ");
8208                    out.println(Integer.toHexString(System.identityHashCode(filter)));
8209        }
8210
8211        @Override
8212        protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) {
8213            return filter.service;
8214        }
8215
8216        protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) {
8217            PackageParser.Service service = (PackageParser.Service)label;
8218            out.print(prefix); out.print(
8219                    Integer.toHexString(System.identityHashCode(service)));
8220                    out.print(' ');
8221                    service.printComponentShortName(out);
8222            if (count > 1) {
8223                out.print(" ("); out.print(count); out.print(" filters)");
8224            }
8225            out.println();
8226        }
8227
8228//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
8229//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
8230//            final List<ResolveInfo> retList = Lists.newArrayList();
8231//            while (i.hasNext()) {
8232//                final ResolveInfo resolveInfo = (ResolveInfo) i;
8233//                if (isEnabledLP(resolveInfo.serviceInfo)) {
8234//                    retList.add(resolveInfo);
8235//                }
8236//            }
8237//            return retList;
8238//        }
8239
8240        // Keys are String (activity class name), values are Activity.
8241        private final ArrayMap<ComponentName, PackageParser.Service> mServices
8242                = new ArrayMap<ComponentName, PackageParser.Service>();
8243        private int mFlags;
8244    };
8245
8246    private final class ProviderIntentResolver
8247            extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> {
8248        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
8249                boolean defaultOnly, int userId) {
8250            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
8251            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
8252        }
8253
8254        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
8255                int userId) {
8256            if (!sUserManager.exists(userId))
8257                return null;
8258            mFlags = flags;
8259            return super.queryIntent(intent, resolvedType,
8260                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
8261        }
8262
8263        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
8264                int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) {
8265            if (!sUserManager.exists(userId))
8266                return null;
8267            if (packageProviders == null) {
8268                return null;
8269            }
8270            mFlags = flags;
8271            final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0;
8272            final int N = packageProviders.size();
8273            ArrayList<PackageParser.ProviderIntentInfo[]> listCut =
8274                    new ArrayList<PackageParser.ProviderIntentInfo[]>(N);
8275
8276            ArrayList<PackageParser.ProviderIntentInfo> intentFilters;
8277            for (int i = 0; i < N; ++i) {
8278                intentFilters = packageProviders.get(i).intents;
8279                if (intentFilters != null && intentFilters.size() > 0) {
8280                    PackageParser.ProviderIntentInfo[] array =
8281                            new PackageParser.ProviderIntentInfo[intentFilters.size()];
8282                    intentFilters.toArray(array);
8283                    listCut.add(array);
8284                }
8285            }
8286            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
8287        }
8288
8289        public final void addProvider(PackageParser.Provider p) {
8290            if (mProviders.containsKey(p.getComponentName())) {
8291                Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring");
8292                return;
8293            }
8294
8295            mProviders.put(p.getComponentName(), p);
8296            if (DEBUG_SHOW_INFO) {
8297                Log.v(TAG, "  "
8298                        + (p.info.nonLocalizedLabel != null
8299                                ? p.info.nonLocalizedLabel : p.info.name) + ":");
8300                Log.v(TAG, "    Class=" + p.info.name);
8301            }
8302            final int NI = p.intents.size();
8303            int j;
8304            for (j = 0; j < NI; j++) {
8305                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
8306                if (DEBUG_SHOW_INFO) {
8307                    Log.v(TAG, "    IntentFilter:");
8308                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
8309                }
8310                if (!intent.debugCheck()) {
8311                    Log.w(TAG, "==> For Provider " + p.info.name);
8312                }
8313                addFilter(intent);
8314            }
8315        }
8316
8317        public final void removeProvider(PackageParser.Provider p) {
8318            mProviders.remove(p.getComponentName());
8319            if (DEBUG_SHOW_INFO) {
8320                Log.v(TAG, "  " + (p.info.nonLocalizedLabel != null
8321                        ? p.info.nonLocalizedLabel : p.info.name) + ":");
8322                Log.v(TAG, "    Class=" + p.info.name);
8323            }
8324            final int NI = p.intents.size();
8325            int j;
8326            for (j = 0; j < NI; j++) {
8327                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
8328                if (DEBUG_SHOW_INFO) {
8329                    Log.v(TAG, "    IntentFilter:");
8330                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
8331                }
8332                removeFilter(intent);
8333            }
8334        }
8335
8336        @Override
8337        protected boolean allowFilterResult(
8338                PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) {
8339            ProviderInfo filterPi = filter.provider.info;
8340            for (int i = dest.size() - 1; i >= 0; i--) {
8341                ProviderInfo destPi = dest.get(i).providerInfo;
8342                if (destPi.name == filterPi.name
8343                        && destPi.packageName == filterPi.packageName) {
8344                    return false;
8345                }
8346            }
8347            return true;
8348        }
8349
8350        @Override
8351        protected PackageParser.ProviderIntentInfo[] newArray(int size) {
8352            return new PackageParser.ProviderIntentInfo[size];
8353        }
8354
8355        @Override
8356        protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) {
8357            if (!sUserManager.exists(userId))
8358                return true;
8359            PackageParser.Package p = filter.provider.owner;
8360            if (p != null) {
8361                PackageSetting ps = (PackageSetting) p.mExtras;
8362                if (ps != null) {
8363                    // System apps are never considered stopped for purposes of
8364                    // filtering, because there may be no way for the user to
8365                    // actually re-launch them.
8366                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
8367                            && ps.getStopped(userId);
8368                }
8369            }
8370            return false;
8371        }
8372
8373        @Override
8374        protected boolean isPackageForFilter(String packageName,
8375                PackageParser.ProviderIntentInfo info) {
8376            return packageName.equals(info.provider.owner.packageName);
8377        }
8378
8379        @Override
8380        protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter,
8381                int match, int userId) {
8382            if (!sUserManager.exists(userId))
8383                return null;
8384            final PackageParser.ProviderIntentInfo info = filter;
8385            if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) {
8386                return null;
8387            }
8388            final PackageParser.Provider provider = info.provider;
8389            if (mSafeMode && (provider.info.applicationInfo.flags
8390                    & ApplicationInfo.FLAG_SYSTEM) == 0) {
8391                return null;
8392            }
8393            PackageSetting ps = (PackageSetting) provider.owner.mExtras;
8394            if (ps == null) {
8395                return null;
8396            }
8397            ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags,
8398                    ps.readUserState(userId), userId);
8399            if (pi == null) {
8400                return null;
8401            }
8402            final ResolveInfo res = new ResolveInfo();
8403            res.providerInfo = pi;
8404            if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) {
8405                res.filter = filter;
8406            }
8407            res.priority = info.getPriority();
8408            res.preferredOrder = provider.owner.mPreferredOrder;
8409            res.match = match;
8410            res.isDefault = info.hasDefault;
8411            res.labelRes = info.labelRes;
8412            res.nonLocalizedLabel = info.nonLocalizedLabel;
8413            res.icon = info.icon;
8414            res.system = res.providerInfo.applicationInfo.isSystemApp();
8415            return res;
8416        }
8417
8418        @Override
8419        protected void sortResults(List<ResolveInfo> results) {
8420            Collections.sort(results, mResolvePrioritySorter);
8421        }
8422
8423        @Override
8424        protected void dumpFilter(PrintWriter out, String prefix,
8425                PackageParser.ProviderIntentInfo filter) {
8426            out.print(prefix);
8427            out.print(
8428                    Integer.toHexString(System.identityHashCode(filter.provider)));
8429            out.print(' ');
8430            filter.provider.printComponentShortName(out);
8431            out.print(" filter ");
8432            out.println(Integer.toHexString(System.identityHashCode(filter)));
8433        }
8434
8435        @Override
8436        protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) {
8437            return filter.provider;
8438        }
8439
8440        protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) {
8441            PackageParser.Provider provider = (PackageParser.Provider)label;
8442            out.print(prefix); out.print(
8443                    Integer.toHexString(System.identityHashCode(provider)));
8444                    out.print(' ');
8445                    provider.printComponentShortName(out);
8446            if (count > 1) {
8447                out.print(" ("); out.print(count); out.print(" filters)");
8448            }
8449            out.println();
8450        }
8451
8452        private final ArrayMap<ComponentName, PackageParser.Provider> mProviders
8453                = new ArrayMap<ComponentName, PackageParser.Provider>();
8454        private int mFlags;
8455    };
8456
8457    private static final Comparator<ResolveInfo> mResolvePrioritySorter =
8458            new Comparator<ResolveInfo>() {
8459        public int compare(ResolveInfo r1, ResolveInfo r2) {
8460            int v1 = r1.priority;
8461            int v2 = r2.priority;
8462            //System.out.println("Comparing: q1=" + q1 + " q2=" + q2);
8463            if (v1 != v2) {
8464                return (v1 > v2) ? -1 : 1;
8465            }
8466            v1 = r1.preferredOrder;
8467            v2 = r2.preferredOrder;
8468            if (v1 != v2) {
8469                return (v1 > v2) ? -1 : 1;
8470            }
8471            if (r1.isDefault != r2.isDefault) {
8472                return r1.isDefault ? -1 : 1;
8473            }
8474            v1 = r1.match;
8475            v2 = r2.match;
8476            //System.out.println("Comparing: m1=" + m1 + " m2=" + m2);
8477            if (v1 != v2) {
8478                return (v1 > v2) ? -1 : 1;
8479            }
8480            if (r1.system != r2.system) {
8481                return r1.system ? -1 : 1;
8482            }
8483            return 0;
8484        }
8485    };
8486
8487    private static final Comparator<ProviderInfo> mProviderInitOrderSorter =
8488            new Comparator<ProviderInfo>() {
8489        public int compare(ProviderInfo p1, ProviderInfo p2) {
8490            final int v1 = p1.initOrder;
8491            final int v2 = p2.initOrder;
8492            return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0);
8493        }
8494    };
8495
8496    static final void sendPackageBroadcast(String action, String pkg,
8497            Bundle extras, String targetPkg, IIntentReceiver finishedReceiver,
8498            int[] userIds) {
8499        IActivityManager am = ActivityManagerNative.getDefault();
8500        if (am != null) {
8501            try {
8502                if (userIds == null) {
8503                    userIds = am.getRunningUserIds();
8504                }
8505                for (int id : userIds) {
8506                    final Intent intent = new Intent(action,
8507                            pkg != null ? Uri.fromParts("package", pkg, null) : null);
8508                    if (extras != null) {
8509                        intent.putExtras(extras);
8510                    }
8511                    if (targetPkg != null) {
8512                        intent.setPackage(targetPkg);
8513                    }
8514                    // Modify the UID when posting to other users
8515                    int uid = intent.getIntExtra(Intent.EXTRA_UID, -1);
8516                    if (uid > 0 && UserHandle.getUserId(uid) != id) {
8517                        uid = UserHandle.getUid(id, UserHandle.getAppId(uid));
8518                        intent.putExtra(Intent.EXTRA_UID, uid);
8519                    }
8520                    intent.putExtra(Intent.EXTRA_USER_HANDLE, id);
8521                    intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
8522                    if (DEBUG_BROADCASTS) {
8523                        RuntimeException here = new RuntimeException("here");
8524                        here.fillInStackTrace();
8525                        Slog.d(TAG, "Sending to user " + id + ": "
8526                                + intent.toShortString(false, true, false, false)
8527                                + " " + intent.getExtras(), here);
8528                    }
8529                    am.broadcastIntent(null, intent, null, finishedReceiver,
8530                            0, null, null, null, android.app.AppOpsManager.OP_NONE,
8531                            finishedReceiver != null, false, id);
8532                }
8533            } catch (RemoteException ex) {
8534            }
8535        }
8536    }
8537
8538    /**
8539     * Check if the external storage media is available. This is true if there
8540     * is a mounted external storage medium or if the external storage is
8541     * emulated.
8542     */
8543    private boolean isExternalMediaAvailable() {
8544        return mMediaMounted || Environment.isExternalStorageEmulated();
8545    }
8546
8547    @Override
8548    public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) {
8549        // writer
8550        synchronized (mPackages) {
8551            if (!isExternalMediaAvailable()) {
8552                // If the external storage is no longer mounted at this point,
8553                // the caller may not have been able to delete all of this
8554                // packages files and can not delete any more.  Bail.
8555                return null;
8556            }
8557            final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned;
8558            if (lastPackage != null) {
8559                pkgs.remove(lastPackage);
8560            }
8561            if (pkgs.size() > 0) {
8562                return pkgs.get(0);
8563            }
8564        }
8565        return null;
8566    }
8567
8568    void schedulePackageCleaning(String packageName, int userId, boolean andCode) {
8569        final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE,
8570                userId, andCode ? 1 : 0, packageName);
8571        if (mSystemReady) {
8572            msg.sendToTarget();
8573        } else {
8574            if (mPostSystemReadyMessages == null) {
8575                mPostSystemReadyMessages = new ArrayList<>();
8576            }
8577            mPostSystemReadyMessages.add(msg);
8578        }
8579    }
8580
8581    void startCleaningPackages() {
8582        // reader
8583        synchronized (mPackages) {
8584            if (!isExternalMediaAvailable()) {
8585                return;
8586            }
8587            if (mSettings.mPackagesToBeCleaned.isEmpty()) {
8588                return;
8589            }
8590        }
8591        Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE);
8592        intent.setComponent(DEFAULT_CONTAINER_COMPONENT);
8593        IActivityManager am = ActivityManagerNative.getDefault();
8594        if (am != null) {
8595            try {
8596                am.startService(null, intent, null, UserHandle.USER_OWNER);
8597            } catch (RemoteException e) {
8598            }
8599        }
8600    }
8601
8602    @Override
8603    public void installPackage(String originPath, IPackageInstallObserver2 observer,
8604            int installFlags, String installerPackageName, VerificationParams verificationParams,
8605            String packageAbiOverride) {
8606        installPackageAsUser(originPath, observer, installFlags, installerPackageName,
8607                verificationParams, packageAbiOverride, UserHandle.getCallingUserId());
8608    }
8609
8610    @Override
8611    public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer,
8612            int installFlags, String installerPackageName, VerificationParams verificationParams,
8613            String packageAbiOverride, int userId) {
8614        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null);
8615
8616        final int callingUid = Binder.getCallingUid();
8617        enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser");
8618
8619        if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) {
8620            try {
8621                if (observer != null) {
8622                    observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null);
8623                }
8624            } catch (RemoteException re) {
8625            }
8626            return;
8627        }
8628
8629        if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) {
8630            installFlags |= PackageManager.INSTALL_FROM_ADB;
8631
8632        } else {
8633            // Caller holds INSTALL_PACKAGES permission, so we're less strict
8634            // about installerPackageName.
8635
8636            installFlags &= ~PackageManager.INSTALL_FROM_ADB;
8637            installFlags &= ~PackageManager.INSTALL_ALL_USERS;
8638        }
8639
8640        UserHandle user;
8641        if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) {
8642            user = UserHandle.ALL;
8643        } else {
8644            user = new UserHandle(userId);
8645        }
8646
8647        // Only system components can circumvent runtime permissions when installing.
8648        if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0
8649                && mContext.checkCallingOrSelfPermission(Manifest.permission
8650                .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) {
8651            throw new SecurityException("You need the "
8652                    + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission "
8653                    + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag");
8654        }
8655
8656        verificationParams.setInstallerUid(callingUid);
8657
8658        final File originFile = new File(originPath);
8659        final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile);
8660
8661        final Message msg = mHandler.obtainMessage(INIT_COPY);
8662        msg.obj = new InstallParams(origin, observer, installFlags,
8663                installerPackageName, null, verificationParams, user, packageAbiOverride);
8664        mHandler.sendMessage(msg);
8665    }
8666
8667    void installStage(String packageName, File stagedDir, String stagedCid,
8668            IPackageInstallObserver2 observer, PackageInstaller.SessionParams params,
8669            String installerPackageName, int installerUid, UserHandle user) {
8670        final VerificationParams verifParams = new VerificationParams(null, params.originatingUri,
8671                params.referrerUri, installerUid, null);
8672
8673        final OriginInfo origin;
8674        if (stagedDir != null) {
8675            origin = OriginInfo.fromStagedFile(stagedDir);
8676        } else {
8677            origin = OriginInfo.fromStagedContainer(stagedCid);
8678        }
8679
8680        final Message msg = mHandler.obtainMessage(INIT_COPY);
8681        msg.obj = new InstallParams(origin, observer, params.installFlags,
8682                installerPackageName, params.volumeUuid, verifParams, user, params.abiOverride);
8683        mHandler.sendMessage(msg);
8684    }
8685
8686    private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) {
8687        Bundle extras = new Bundle(1);
8688        extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId));
8689
8690        sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
8691                packageName, extras, null, null, new int[] {userId});
8692        try {
8693            IActivityManager am = ActivityManagerNative.getDefault();
8694            final boolean isSystem =
8695                    isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting);
8696            if (isSystem && am.isUserRunning(userId, false)) {
8697                // The just-installed/enabled app is bundled on the system, so presumed
8698                // to be able to run automatically without needing an explicit launch.
8699                // Send it a BOOT_COMPLETED if it would ordinarily have gotten one.
8700                Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED)
8701                        .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
8702                        .setPackage(packageName);
8703                am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null,
8704                        android.app.AppOpsManager.OP_NONE, false, false, userId);
8705            }
8706        } catch (RemoteException e) {
8707            // shouldn't happen
8708            Slog.w(TAG, "Unable to bootstrap installed package", e);
8709        }
8710    }
8711
8712    @Override
8713    public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden,
8714            int userId) {
8715        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
8716        PackageSetting pkgSetting;
8717        final int uid = Binder.getCallingUid();
8718        enforceCrossUserPermission(uid, userId, true, true,
8719                "setApplicationHiddenSetting for user " + userId);
8720
8721        if (hidden && isPackageDeviceAdmin(packageName, userId)) {
8722            Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin");
8723            return false;
8724        }
8725
8726        long callingId = Binder.clearCallingIdentity();
8727        try {
8728            boolean sendAdded = false;
8729            boolean sendRemoved = false;
8730            // writer
8731            synchronized (mPackages) {
8732                pkgSetting = mSettings.mPackages.get(packageName);
8733                if (pkgSetting == null) {
8734                    return false;
8735                }
8736                if (pkgSetting.getHidden(userId) != hidden) {
8737                    pkgSetting.setHidden(hidden, userId);
8738                    mSettings.writePackageRestrictionsLPr(userId);
8739                    if (hidden) {
8740                        sendRemoved = true;
8741                    } else {
8742                        sendAdded = true;
8743                    }
8744                }
8745            }
8746            if (sendAdded) {
8747                sendPackageAddedForUser(packageName, pkgSetting, userId);
8748                return true;
8749            }
8750            if (sendRemoved) {
8751                killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId),
8752                        "hiding pkg");
8753                sendApplicationHiddenForUser(packageName, pkgSetting, userId);
8754            }
8755        } finally {
8756            Binder.restoreCallingIdentity(callingId);
8757        }
8758        return false;
8759    }
8760
8761    private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting,
8762            int userId) {
8763        final PackageRemovedInfo info = new PackageRemovedInfo();
8764        info.removedPackage = packageName;
8765        info.removedUsers = new int[] {userId};
8766        info.uid = UserHandle.getUid(userId, pkgSetting.appId);
8767        info.sendBroadcast(false, false, false);
8768    }
8769
8770    /**
8771     * Returns true if application is not found or there was an error. Otherwise it returns
8772     * the hidden state of the package for the given user.
8773     */
8774    @Override
8775    public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) {
8776        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
8777        enforceCrossUserPermission(Binder.getCallingUid(), userId, true,
8778                false, "getApplicationHidden for user " + userId);
8779        PackageSetting pkgSetting;
8780        long callingId = Binder.clearCallingIdentity();
8781        try {
8782            // writer
8783            synchronized (mPackages) {
8784                pkgSetting = mSettings.mPackages.get(packageName);
8785                if (pkgSetting == null) {
8786                    return true;
8787                }
8788                return pkgSetting.getHidden(userId);
8789            }
8790        } finally {
8791            Binder.restoreCallingIdentity(callingId);
8792        }
8793    }
8794
8795    /**
8796     * @hide
8797     */
8798    @Override
8799    public int installExistingPackageAsUser(String packageName, int userId) {
8800        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES,
8801                null);
8802        PackageSetting pkgSetting;
8803        final int uid = Binder.getCallingUid();
8804        enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user "
8805                + userId);
8806        if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) {
8807            return PackageManager.INSTALL_FAILED_USER_RESTRICTED;
8808        }
8809
8810        long callingId = Binder.clearCallingIdentity();
8811        try {
8812            boolean sendAdded = false;
8813
8814            // writer
8815            synchronized (mPackages) {
8816                pkgSetting = mSettings.mPackages.get(packageName);
8817                if (pkgSetting == null) {
8818                    return PackageManager.INSTALL_FAILED_INVALID_URI;
8819                }
8820                if (!pkgSetting.getInstalled(userId)) {
8821                    pkgSetting.setInstalled(true, userId);
8822                    pkgSetting.setHidden(false, userId);
8823                    mSettings.writePackageRestrictionsLPr(userId);
8824                    sendAdded = true;
8825                }
8826            }
8827
8828            if (sendAdded) {
8829                sendPackageAddedForUser(packageName, pkgSetting, userId);
8830            }
8831        } finally {
8832            Binder.restoreCallingIdentity(callingId);
8833        }
8834
8835        return PackageManager.INSTALL_SUCCEEDED;
8836    }
8837
8838    boolean isUserRestricted(int userId, String restrictionKey) {
8839        Bundle restrictions = sUserManager.getUserRestrictions(userId);
8840        if (restrictions.getBoolean(restrictionKey, false)) {
8841            Log.w(TAG, "User is restricted: " + restrictionKey);
8842            return true;
8843        }
8844        return false;
8845    }
8846
8847    @Override
8848    public void verifyPendingInstall(int id, int verificationCode) throws RemoteException {
8849        mContext.enforceCallingOrSelfPermission(
8850                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
8851                "Only package verification agents can verify applications");
8852
8853        final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
8854        final PackageVerificationResponse response = new PackageVerificationResponse(
8855                verificationCode, Binder.getCallingUid());
8856        msg.arg1 = id;
8857        msg.obj = response;
8858        mHandler.sendMessage(msg);
8859    }
8860
8861    @Override
8862    public void extendVerificationTimeout(int id, int verificationCodeAtTimeout,
8863            long millisecondsToDelay) {
8864        mContext.enforceCallingOrSelfPermission(
8865                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
8866                "Only package verification agents can extend verification timeouts");
8867
8868        final PackageVerificationState state = mPendingVerification.get(id);
8869        final PackageVerificationResponse response = new PackageVerificationResponse(
8870                verificationCodeAtTimeout, Binder.getCallingUid());
8871
8872        if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) {
8873            millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT;
8874        }
8875        if (millisecondsToDelay < 0) {
8876            millisecondsToDelay = 0;
8877        }
8878        if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW)
8879                && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) {
8880            verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT;
8881        }
8882
8883        if ((state != null) && !state.timeoutExtended()) {
8884            state.extendTimeout();
8885
8886            final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
8887            msg.arg1 = id;
8888            msg.obj = response;
8889            mHandler.sendMessageDelayed(msg, millisecondsToDelay);
8890        }
8891    }
8892
8893    private void broadcastPackageVerified(int verificationId, Uri packageUri,
8894            int verificationCode, UserHandle user) {
8895        final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED);
8896        intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE);
8897        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
8898        intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
8899        intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode);
8900
8901        mContext.sendBroadcastAsUser(intent, user,
8902                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT);
8903    }
8904
8905    private ComponentName matchComponentForVerifier(String packageName,
8906            List<ResolveInfo> receivers) {
8907        ActivityInfo targetReceiver = null;
8908
8909        final int NR = receivers.size();
8910        for (int i = 0; i < NR; i++) {
8911            final ResolveInfo info = receivers.get(i);
8912            if (info.activityInfo == null) {
8913                continue;
8914            }
8915
8916            if (packageName.equals(info.activityInfo.packageName)) {
8917                targetReceiver = info.activityInfo;
8918                break;
8919            }
8920        }
8921
8922        if (targetReceiver == null) {
8923            return null;
8924        }
8925
8926        return new ComponentName(targetReceiver.packageName, targetReceiver.name);
8927    }
8928
8929    private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo,
8930            List<ResolveInfo> receivers, final PackageVerificationState verificationState) {
8931        if (pkgInfo.verifiers.length == 0) {
8932            return null;
8933        }
8934
8935        final int N = pkgInfo.verifiers.length;
8936        final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1);
8937        for (int i = 0; i < N; i++) {
8938            final VerifierInfo verifierInfo = pkgInfo.verifiers[i];
8939
8940            final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName,
8941                    receivers);
8942            if (comp == null) {
8943                continue;
8944            }
8945
8946            final int verifierUid = getUidForVerifier(verifierInfo);
8947            if (verifierUid == -1) {
8948                continue;
8949            }
8950
8951            if (DEBUG_VERIFY) {
8952                Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName
8953                        + " with the correct signature");
8954            }
8955            sufficientVerifiers.add(comp);
8956            verificationState.addSufficientVerifier(verifierUid);
8957        }
8958
8959        return sufficientVerifiers;
8960    }
8961
8962    private int getUidForVerifier(VerifierInfo verifierInfo) {
8963        synchronized (mPackages) {
8964            final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName);
8965            if (pkg == null) {
8966                return -1;
8967            } else if (pkg.mSignatures.length != 1) {
8968                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
8969                        + " has more than one signature; ignoring");
8970                return -1;
8971            }
8972
8973            /*
8974             * If the public key of the package's signature does not match
8975             * our expected public key, then this is a different package and
8976             * we should skip.
8977             */
8978
8979            final byte[] expectedPublicKey;
8980            try {
8981                final Signature verifierSig = pkg.mSignatures[0];
8982                final PublicKey publicKey = verifierSig.getPublicKey();
8983                expectedPublicKey = publicKey.getEncoded();
8984            } catch (CertificateException e) {
8985                return -1;
8986            }
8987
8988            final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded();
8989
8990            if (!Arrays.equals(actualPublicKey, expectedPublicKey)) {
8991                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
8992                        + " does not have the expected public key; ignoring");
8993                return -1;
8994            }
8995
8996            return pkg.applicationInfo.uid;
8997        }
8998    }
8999
9000    @Override
9001    public void finishPackageInstall(int token) {
9002        enforceSystemOrRoot("Only the system is allowed to finish installs");
9003
9004        if (DEBUG_INSTALL) {
9005            Slog.v(TAG, "BM finishing package install for " + token);
9006        }
9007
9008        final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
9009        mHandler.sendMessage(msg);
9010    }
9011
9012    /**
9013     * Get the verification agent timeout.
9014     *
9015     * @return verification timeout in milliseconds
9016     */
9017    private long getVerificationTimeout() {
9018        return android.provider.Settings.Global.getLong(mContext.getContentResolver(),
9019                android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT,
9020                DEFAULT_VERIFICATION_TIMEOUT);
9021    }
9022
9023    /**
9024     * Get the default verification agent response code.
9025     *
9026     * @return default verification response code
9027     */
9028    private int getDefaultVerificationResponse() {
9029        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
9030                android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE,
9031                DEFAULT_VERIFICATION_RESPONSE);
9032    }
9033
9034    /**
9035     * Check whether or not package verification has been enabled.
9036     *
9037     * @return true if verification should be performed
9038     */
9039    private boolean isVerificationEnabled(int userId, int installFlags) {
9040        if (!DEFAULT_VERIFY_ENABLE) {
9041            return false;
9042        }
9043
9044        boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS);
9045
9046        // Check if installing from ADB
9047        if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) {
9048            // Do not run verification in a test harness environment
9049            if (ActivityManager.isRunningInTestHarness()) {
9050                return false;
9051            }
9052            if (ensureVerifyAppsEnabled) {
9053                return true;
9054            }
9055            // Check if the developer does not want package verification for ADB installs
9056            if (android.provider.Settings.Global.getInt(mContext.getContentResolver(),
9057                    android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) {
9058                return false;
9059            }
9060        }
9061
9062        if (ensureVerifyAppsEnabled) {
9063            return true;
9064        }
9065
9066        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
9067                android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1;
9068    }
9069
9070    @Override
9071    public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains)
9072            throws RemoteException {
9073        mContext.enforceCallingOrSelfPermission(
9074                Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT,
9075                "Only intentfilter verification agents can verify applications");
9076
9077        final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED);
9078        final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse(
9079                Binder.getCallingUid(), verificationCode, failedDomains);
9080        msg.arg1 = id;
9081        msg.obj = response;
9082        mHandler.sendMessage(msg);
9083    }
9084
9085    @Override
9086    public int getIntentVerificationStatus(String packageName, int userId) {
9087        synchronized (mPackages) {
9088            return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId);
9089        }
9090    }
9091
9092    @Override
9093    public boolean updateIntentVerificationStatus(String packageName, int status, int userId) {
9094        boolean result = false;
9095        synchronized (mPackages) {
9096            result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId);
9097        }
9098        scheduleWritePackageRestrictionsLocked(userId);
9099        return result;
9100    }
9101
9102    @Override
9103    public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) {
9104        synchronized (mPackages) {
9105            return mSettings.getIntentFilterVerificationsLPr(packageName);
9106        }
9107    }
9108
9109    @Override
9110    public List<IntentFilter> getAllIntentFilters(String packageName) {
9111        if (TextUtils.isEmpty(packageName)) {
9112            return Collections.<IntentFilter>emptyList();
9113        }
9114        synchronized (mPackages) {
9115            PackageParser.Package pkg = mPackages.get(packageName);
9116            if (pkg == null || pkg.activities == null) {
9117                return Collections.<IntentFilter>emptyList();
9118            }
9119            final int count = pkg.activities.size();
9120            ArrayList<IntentFilter> result = new ArrayList<>();
9121            for (int n=0; n<count; n++) {
9122                PackageParser.Activity activity = pkg.activities.get(n);
9123                if (activity.intents != null || activity.intents.size() > 0) {
9124                    result.addAll(activity.intents);
9125                }
9126            }
9127            return result;
9128        }
9129    }
9130
9131    @Override
9132    public boolean setDefaultBrowserPackageName(String packageName, int userId) {
9133        synchronized (mPackages) {
9134            return mSettings.setDefaultBrowserPackageNameLPr(packageName, userId);
9135        }
9136    }
9137
9138    @Override
9139    public String getDefaultBrowserPackageName(int userId) {
9140        synchronized (mPackages) {
9141            return mSettings.getDefaultBrowserPackageNameLPw(userId);
9142        }
9143    }
9144
9145    /**
9146     * Get the "allow unknown sources" setting.
9147     *
9148     * @return the current "allow unknown sources" setting
9149     */
9150    private int getUnknownSourcesSettings() {
9151        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
9152                android.provider.Settings.Global.INSTALL_NON_MARKET_APPS,
9153                -1);
9154    }
9155
9156    @Override
9157    public void setInstallerPackageName(String targetPackage, String installerPackageName) {
9158        final int uid = Binder.getCallingUid();
9159        // writer
9160        synchronized (mPackages) {
9161            PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage);
9162            if (targetPackageSetting == null) {
9163                throw new IllegalArgumentException("Unknown target package: " + targetPackage);
9164            }
9165
9166            PackageSetting installerPackageSetting;
9167            if (installerPackageName != null) {
9168                installerPackageSetting = mSettings.mPackages.get(installerPackageName);
9169                if (installerPackageSetting == null) {
9170                    throw new IllegalArgumentException("Unknown installer package: "
9171                            + installerPackageName);
9172                }
9173            } else {
9174                installerPackageSetting = null;
9175            }
9176
9177            Signature[] callerSignature;
9178            Object obj = mSettings.getUserIdLPr(uid);
9179            if (obj != null) {
9180                if (obj instanceof SharedUserSetting) {
9181                    callerSignature = ((SharedUserSetting)obj).signatures.mSignatures;
9182                } else if (obj instanceof PackageSetting) {
9183                    callerSignature = ((PackageSetting)obj).signatures.mSignatures;
9184                } else {
9185                    throw new SecurityException("Bad object " + obj + " for uid " + uid);
9186                }
9187            } else {
9188                throw new SecurityException("Unknown calling uid " + uid);
9189            }
9190
9191            // Verify: can't set installerPackageName to a package that is
9192            // not signed with the same cert as the caller.
9193            if (installerPackageSetting != null) {
9194                if (compareSignatures(callerSignature,
9195                        installerPackageSetting.signatures.mSignatures)
9196                        != PackageManager.SIGNATURE_MATCH) {
9197                    throw new SecurityException(
9198                            "Caller does not have same cert as new installer package "
9199                            + installerPackageName);
9200                }
9201            }
9202
9203            // Verify: if target already has an installer package, it must
9204            // be signed with the same cert as the caller.
9205            if (targetPackageSetting.installerPackageName != null) {
9206                PackageSetting setting = mSettings.mPackages.get(
9207                        targetPackageSetting.installerPackageName);
9208                // If the currently set package isn't valid, then it's always
9209                // okay to change it.
9210                if (setting != null) {
9211                    if (compareSignatures(callerSignature,
9212                            setting.signatures.mSignatures)
9213                            != PackageManager.SIGNATURE_MATCH) {
9214                        throw new SecurityException(
9215                                "Caller does not have same cert as old installer package "
9216                                + targetPackageSetting.installerPackageName);
9217                    }
9218                }
9219            }
9220
9221            // Okay!
9222            targetPackageSetting.installerPackageName = installerPackageName;
9223            scheduleWriteSettingsLocked();
9224        }
9225    }
9226
9227    private void processPendingInstall(final InstallArgs args, final int currentStatus) {
9228        // Queue up an async operation since the package installation may take a little while.
9229        mHandler.post(new Runnable() {
9230            public void run() {
9231                mHandler.removeCallbacks(this);
9232                 // Result object to be returned
9233                PackageInstalledInfo res = new PackageInstalledInfo();
9234                res.returnCode = currentStatus;
9235                res.uid = -1;
9236                res.pkg = null;
9237                res.removedInfo = new PackageRemovedInfo();
9238                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
9239                    args.doPreInstall(res.returnCode);
9240                    synchronized (mInstallLock) {
9241                        installPackageLI(args, res);
9242                    }
9243                    args.doPostInstall(res.returnCode, res.uid);
9244                }
9245
9246                // A restore should be performed at this point if (a) the install
9247                // succeeded, (b) the operation is not an update, and (c) the new
9248                // package has not opted out of backup participation.
9249                final boolean update = res.removedInfo.removedPackage != null;
9250                final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags;
9251                boolean doRestore = !update
9252                        && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0);
9253
9254                // Set up the post-install work request bookkeeping.  This will be used
9255                // and cleaned up by the post-install event handling regardless of whether
9256                // there's a restore pass performed.  Token values are >= 1.
9257                int token;
9258                if (mNextInstallToken < 0) mNextInstallToken = 1;
9259                token = mNextInstallToken++;
9260
9261                PostInstallData data = new PostInstallData(args, res);
9262                mRunningInstalls.put(token, data);
9263                if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token);
9264
9265                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) {
9266                    // Pass responsibility to the Backup Manager.  It will perform a
9267                    // restore if appropriate, then pass responsibility back to the
9268                    // Package Manager to run the post-install observer callbacks
9269                    // and broadcasts.
9270                    IBackupManager bm = IBackupManager.Stub.asInterface(
9271                            ServiceManager.getService(Context.BACKUP_SERVICE));
9272                    if (bm != null) {
9273                        if (DEBUG_INSTALL) Log.v(TAG, "token " + token
9274                                + " to BM for possible restore");
9275                        try {
9276                            if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) {
9277                                bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token);
9278                            } else {
9279                                doRestore = false;
9280                            }
9281                        } catch (RemoteException e) {
9282                            // can't happen; the backup manager is local
9283                        } catch (Exception e) {
9284                            Slog.e(TAG, "Exception trying to enqueue restore", e);
9285                            doRestore = false;
9286                        }
9287                    } else {
9288                        Slog.e(TAG, "Backup Manager not found!");
9289                        doRestore = false;
9290                    }
9291                }
9292
9293                if (!doRestore) {
9294                    // No restore possible, or the Backup Manager was mysteriously not
9295                    // available -- just fire the post-install work request directly.
9296                    if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token);
9297                    Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
9298                    mHandler.sendMessage(msg);
9299                }
9300            }
9301        });
9302    }
9303
9304    private abstract class HandlerParams {
9305        private static final int MAX_RETRIES = 4;
9306
9307        /**
9308         * Number of times startCopy() has been attempted and had a non-fatal
9309         * error.
9310         */
9311        private int mRetries = 0;
9312
9313        /** User handle for the user requesting the information or installation. */
9314        private final UserHandle mUser;
9315
9316        HandlerParams(UserHandle user) {
9317            mUser = user;
9318        }
9319
9320        UserHandle getUser() {
9321            return mUser;
9322        }
9323
9324        final boolean startCopy() {
9325            boolean res;
9326            try {
9327                if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this);
9328
9329                if (++mRetries > MAX_RETRIES) {
9330                    Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up");
9331                    mHandler.sendEmptyMessage(MCS_GIVE_UP);
9332                    handleServiceError();
9333                    return false;
9334                } else {
9335                    handleStartCopy();
9336                    res = true;
9337                }
9338            } catch (RemoteException e) {
9339                if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT");
9340                mHandler.sendEmptyMessage(MCS_RECONNECT);
9341                res = false;
9342            }
9343            handleReturnCode();
9344            return res;
9345        }
9346
9347        final void serviceError() {
9348            if (DEBUG_INSTALL) Slog.i(TAG, "serviceError");
9349            handleServiceError();
9350            handleReturnCode();
9351        }
9352
9353        abstract void handleStartCopy() throws RemoteException;
9354        abstract void handleServiceError();
9355        abstract void handleReturnCode();
9356    }
9357
9358    class MeasureParams extends HandlerParams {
9359        private final PackageStats mStats;
9360        private boolean mSuccess;
9361
9362        private final IPackageStatsObserver mObserver;
9363
9364        public MeasureParams(PackageStats stats, IPackageStatsObserver observer) {
9365            super(new UserHandle(stats.userHandle));
9366            mObserver = observer;
9367            mStats = stats;
9368        }
9369
9370        @Override
9371        public String toString() {
9372            return "MeasureParams{"
9373                + Integer.toHexString(System.identityHashCode(this))
9374                + " " + mStats.packageName + "}";
9375        }
9376
9377        @Override
9378        void handleStartCopy() throws RemoteException {
9379            synchronized (mInstallLock) {
9380                mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats);
9381            }
9382
9383            if (mSuccess) {
9384                final boolean mounted;
9385                if (Environment.isExternalStorageEmulated()) {
9386                    mounted = true;
9387                } else {
9388                    final String status = Environment.getExternalStorageState();
9389                    mounted = (Environment.MEDIA_MOUNTED.equals(status)
9390                            || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status));
9391                }
9392
9393                if (mounted) {
9394                    final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle);
9395
9396                    mStats.externalCacheSize = calculateDirectorySize(mContainerService,
9397                            userEnv.buildExternalStorageAppCacheDirs(mStats.packageName));
9398
9399                    mStats.externalDataSize = calculateDirectorySize(mContainerService,
9400                            userEnv.buildExternalStorageAppDataDirs(mStats.packageName));
9401
9402                    // Always subtract cache size, since it's a subdirectory
9403                    mStats.externalDataSize -= mStats.externalCacheSize;
9404
9405                    mStats.externalMediaSize = calculateDirectorySize(mContainerService,
9406                            userEnv.buildExternalStorageAppMediaDirs(mStats.packageName));
9407
9408                    mStats.externalObbSize = calculateDirectorySize(mContainerService,
9409                            userEnv.buildExternalStorageAppObbDirs(mStats.packageName));
9410                }
9411            }
9412        }
9413
9414        @Override
9415        void handleReturnCode() {
9416            if (mObserver != null) {
9417                try {
9418                    mObserver.onGetStatsCompleted(mStats, mSuccess);
9419                } catch (RemoteException e) {
9420                    Slog.i(TAG, "Observer no longer exists.");
9421                }
9422            }
9423        }
9424
9425        @Override
9426        void handleServiceError() {
9427            Slog.e(TAG, "Could not measure application " + mStats.packageName
9428                            + " external storage");
9429        }
9430    }
9431
9432    private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths)
9433            throws RemoteException {
9434        long result = 0;
9435        for (File path : paths) {
9436            result += mcs.calculateDirectorySize(path.getAbsolutePath());
9437        }
9438        return result;
9439    }
9440
9441    private static void clearDirectory(IMediaContainerService mcs, File[] paths) {
9442        for (File path : paths) {
9443            try {
9444                mcs.clearDirectory(path.getAbsolutePath());
9445            } catch (RemoteException e) {
9446            }
9447        }
9448    }
9449
9450    static class OriginInfo {
9451        /**
9452         * Location where install is coming from, before it has been
9453         * copied/renamed into place. This could be a single monolithic APK
9454         * file, or a cluster directory. This location may be untrusted.
9455         */
9456        final File file;
9457        final String cid;
9458
9459        /**
9460         * Flag indicating that {@link #file} or {@link #cid} has already been
9461         * staged, meaning downstream users don't need to defensively copy the
9462         * contents.
9463         */
9464        final boolean staged;
9465
9466        /**
9467         * Flag indicating that {@link #file} or {@link #cid} is an already
9468         * installed app that is being moved.
9469         */
9470        final boolean existing;
9471
9472        final String resolvedPath;
9473        final File resolvedFile;
9474
9475        static OriginInfo fromNothing() {
9476            return new OriginInfo(null, null, false, false);
9477        }
9478
9479        static OriginInfo fromUntrustedFile(File file) {
9480            return new OriginInfo(file, null, false, false);
9481        }
9482
9483        static OriginInfo fromExistingFile(File file) {
9484            return new OriginInfo(file, null, false, true);
9485        }
9486
9487        static OriginInfo fromStagedFile(File file) {
9488            return new OriginInfo(file, null, true, false);
9489        }
9490
9491        static OriginInfo fromStagedContainer(String cid) {
9492            return new OriginInfo(null, cid, true, false);
9493        }
9494
9495        private OriginInfo(File file, String cid, boolean staged, boolean existing) {
9496            this.file = file;
9497            this.cid = cid;
9498            this.staged = staged;
9499            this.existing = existing;
9500
9501            if (cid != null) {
9502                resolvedPath = PackageHelper.getSdDir(cid);
9503                resolvedFile = new File(resolvedPath);
9504            } else if (file != null) {
9505                resolvedPath = file.getAbsolutePath();
9506                resolvedFile = file;
9507            } else {
9508                resolvedPath = null;
9509                resolvedFile = null;
9510            }
9511        }
9512    }
9513
9514    class InstallParams extends HandlerParams {
9515        final OriginInfo origin;
9516        final IPackageInstallObserver2 observer;
9517        int installFlags;
9518        final String installerPackageName;
9519        final String volumeUuid;
9520        final VerificationParams verificationParams;
9521        private InstallArgs mArgs;
9522        private int mRet;
9523        final String packageAbiOverride;
9524
9525        InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags,
9526                String installerPackageName, String volumeUuid,
9527                VerificationParams verificationParams, UserHandle user, String packageAbiOverride) {
9528            super(user);
9529            this.origin = origin;
9530            this.observer = observer;
9531            this.installFlags = installFlags;
9532            this.installerPackageName = installerPackageName;
9533            this.volumeUuid = volumeUuid;
9534            this.verificationParams = verificationParams;
9535            this.packageAbiOverride = packageAbiOverride;
9536        }
9537
9538        @Override
9539        public String toString() {
9540            return "InstallParams{" + Integer.toHexString(System.identityHashCode(this))
9541                    + " file=" + origin.file + " cid=" + origin.cid + "}";
9542        }
9543
9544        public ManifestDigest getManifestDigest() {
9545            if (verificationParams == null) {
9546                return null;
9547            }
9548            return verificationParams.getManifestDigest();
9549        }
9550
9551        private int installLocationPolicy(PackageInfoLite pkgLite) {
9552            String packageName = pkgLite.packageName;
9553            int installLocation = pkgLite.installLocation;
9554            boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
9555            // reader
9556            synchronized (mPackages) {
9557                PackageParser.Package pkg = mPackages.get(packageName);
9558                if (pkg != null) {
9559                    if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
9560                        // Check for downgrading.
9561                        if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) {
9562                            try {
9563                                checkDowngrade(pkg, pkgLite);
9564                            } catch (PackageManagerException e) {
9565                                Slog.w(TAG, "Downgrade detected: " + e.getMessage());
9566                                return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE;
9567                            }
9568                        }
9569                        // Check for updated system application.
9570                        if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
9571                            if (onSd) {
9572                                Slog.w(TAG, "Cannot install update to system app on sdcard");
9573                                return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION;
9574                            }
9575                            return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
9576                        } else {
9577                            if (onSd) {
9578                                // Install flag overrides everything.
9579                                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
9580                            }
9581                            // If current upgrade specifies particular preference
9582                            if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) {
9583                                // Application explicitly specified internal.
9584                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
9585                            } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) {
9586                                // App explictly prefers external. Let policy decide
9587                            } else {
9588                                // Prefer previous location
9589                                if (isExternal(pkg)) {
9590                                    return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
9591                                }
9592                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
9593                            }
9594                        }
9595                    } else {
9596                        // Invalid install. Return error code
9597                        return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS;
9598                    }
9599                }
9600            }
9601            // All the special cases have been taken care of.
9602            // Return result based on recommended install location.
9603            if (onSd) {
9604                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
9605            }
9606            return pkgLite.recommendedInstallLocation;
9607        }
9608
9609        /*
9610         * Invoke remote method to get package information and install
9611         * location values. Override install location based on default
9612         * policy if needed and then create install arguments based
9613         * on the install location.
9614         */
9615        public void handleStartCopy() throws RemoteException {
9616            int ret = PackageManager.INSTALL_SUCCEEDED;
9617
9618            // If we're already staged, we've firmly committed to an install location
9619            if (origin.staged) {
9620                if (origin.file != null) {
9621                    installFlags |= PackageManager.INSTALL_INTERNAL;
9622                    installFlags &= ~PackageManager.INSTALL_EXTERNAL;
9623                } else if (origin.cid != null) {
9624                    installFlags |= PackageManager.INSTALL_EXTERNAL;
9625                    installFlags &= ~PackageManager.INSTALL_INTERNAL;
9626                } else {
9627                    throw new IllegalStateException("Invalid stage location");
9628                }
9629            }
9630
9631            final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
9632            final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0;
9633
9634            PackageInfoLite pkgLite = null;
9635
9636            if (onInt && onSd) {
9637                // Check if both bits are set.
9638                Slog.w(TAG, "Conflicting flags specified for installing on both internal and external");
9639                ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
9640            } else {
9641                pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags,
9642                        packageAbiOverride);
9643
9644                /*
9645                 * If we have too little free space, try to free cache
9646                 * before giving up.
9647                 */
9648                if (!origin.staged && pkgLite.recommendedInstallLocation
9649                        == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
9650                    // TODO: focus freeing disk space on the target device
9651                    final StorageManager storage = StorageManager.from(mContext);
9652                    final long lowThreshold = storage.getStorageLowBytes(
9653                            Environment.getDataDirectory());
9654
9655                    final long sizeBytes = mContainerService.calculateInstalledSize(
9656                            origin.resolvedPath, isForwardLocked(), packageAbiOverride);
9657
9658                    if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) {
9659                        pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath,
9660                                installFlags, packageAbiOverride);
9661                    }
9662
9663                    /*
9664                     * The cache free must have deleted the file we
9665                     * downloaded to install.
9666                     *
9667                     * TODO: fix the "freeCache" call to not delete
9668                     *       the file we care about.
9669                     */
9670                    if (pkgLite.recommendedInstallLocation
9671                            == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
9672                        pkgLite.recommendedInstallLocation
9673                            = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE;
9674                    }
9675                }
9676            }
9677
9678            if (ret == PackageManager.INSTALL_SUCCEEDED) {
9679                int loc = pkgLite.recommendedInstallLocation;
9680                if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) {
9681                    ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
9682                } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) {
9683                    ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
9684                } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
9685                    ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
9686                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) {
9687                    ret = PackageManager.INSTALL_FAILED_INVALID_APK;
9688                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
9689                    ret = PackageManager.INSTALL_FAILED_INVALID_URI;
9690                } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) {
9691                    ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE;
9692                } else {
9693                    // Override with defaults if needed.
9694                    loc = installLocationPolicy(pkgLite);
9695                    if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) {
9696                        ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE;
9697                    } else if (!onSd && !onInt) {
9698                        // Override install location with flags
9699                        if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) {
9700                            // Set the flag to install on external media.
9701                            installFlags |= PackageManager.INSTALL_EXTERNAL;
9702                            installFlags &= ~PackageManager.INSTALL_INTERNAL;
9703                        } else {
9704                            // Make sure the flag for installing on external
9705                            // media is unset
9706                            installFlags |= PackageManager.INSTALL_INTERNAL;
9707                            installFlags &= ~PackageManager.INSTALL_EXTERNAL;
9708                        }
9709                    }
9710                }
9711            }
9712
9713            final InstallArgs args = createInstallArgs(this);
9714            mArgs = args;
9715
9716            if (ret == PackageManager.INSTALL_SUCCEEDED) {
9717                 /*
9718                 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by
9719                 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER.
9720                 */
9721                int userIdentifier = getUser().getIdentifier();
9722                if (userIdentifier == UserHandle.USER_ALL
9723                        && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) {
9724                    userIdentifier = UserHandle.USER_OWNER;
9725                }
9726
9727                /*
9728                 * Determine if we have any installed package verifiers. If we
9729                 * do, then we'll defer to them to verify the packages.
9730                 */
9731                final int requiredUid = mRequiredVerifierPackage == null ? -1
9732                        : getPackageUid(mRequiredVerifierPackage, userIdentifier);
9733                if (!origin.existing && requiredUid != -1
9734                        && isVerificationEnabled(userIdentifier, installFlags)) {
9735                    final Intent verification = new Intent(
9736                            Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
9737                    verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
9738                    verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)),
9739                            PACKAGE_MIME_TYPE);
9740                    verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
9741
9742                    final List<ResolveInfo> receivers = queryIntentReceivers(verification,
9743                            PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS,
9744                            0 /* TODO: Which userId? */);
9745
9746                    if (DEBUG_VERIFY) {
9747                        Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent "
9748                                + verification.toString() + " with " + pkgLite.verifiers.length
9749                                + " optional verifiers");
9750                    }
9751
9752                    final int verificationId = mPendingVerificationToken++;
9753
9754                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
9755
9756                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE,
9757                            installerPackageName);
9758
9759                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS,
9760                            installFlags);
9761
9762                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME,
9763                            pkgLite.packageName);
9764
9765                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE,
9766                            pkgLite.versionCode);
9767
9768                    if (verificationParams != null) {
9769                        if (verificationParams.getVerificationURI() != null) {
9770                           verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI,
9771                                 verificationParams.getVerificationURI());
9772                        }
9773                        if (verificationParams.getOriginatingURI() != null) {
9774                            verification.putExtra(Intent.EXTRA_ORIGINATING_URI,
9775                                  verificationParams.getOriginatingURI());
9776                        }
9777                        if (verificationParams.getReferrer() != null) {
9778                            verification.putExtra(Intent.EXTRA_REFERRER,
9779                                  verificationParams.getReferrer());
9780                        }
9781                        if (verificationParams.getOriginatingUid() >= 0) {
9782                            verification.putExtra(Intent.EXTRA_ORIGINATING_UID,
9783                                  verificationParams.getOriginatingUid());
9784                        }
9785                        if (verificationParams.getInstallerUid() >= 0) {
9786                            verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID,
9787                                  verificationParams.getInstallerUid());
9788                        }
9789                    }
9790
9791                    final PackageVerificationState verificationState = new PackageVerificationState(
9792                            requiredUid, args);
9793
9794                    mPendingVerification.append(verificationId, verificationState);
9795
9796                    final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite,
9797                            receivers, verificationState);
9798
9799                    /*
9800                     * If any sufficient verifiers were listed in the package
9801                     * manifest, attempt to ask them.
9802                     */
9803                    if (sufficientVerifiers != null) {
9804                        final int N = sufficientVerifiers.size();
9805                        if (N == 0) {
9806                            Slog.i(TAG, "Additional verifiers required, but none installed.");
9807                            ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
9808                        } else {
9809                            for (int i = 0; i < N; i++) {
9810                                final ComponentName verifierComponent = sufficientVerifiers.get(i);
9811
9812                                final Intent sufficientIntent = new Intent(verification);
9813                                sufficientIntent.setComponent(verifierComponent);
9814
9815                                mContext.sendBroadcastAsUser(sufficientIntent, getUser());
9816                            }
9817                        }
9818                    }
9819
9820                    final ComponentName requiredVerifierComponent = matchComponentForVerifier(
9821                            mRequiredVerifierPackage, receivers);
9822                    if (ret == PackageManager.INSTALL_SUCCEEDED
9823                            && mRequiredVerifierPackage != null) {
9824                        /*
9825                         * Send the intent to the required verification agent,
9826                         * but only start the verification timeout after the
9827                         * target BroadcastReceivers have run.
9828                         */
9829                        verification.setComponent(requiredVerifierComponent);
9830                        mContext.sendOrderedBroadcastAsUser(verification, getUser(),
9831                                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
9832                                new BroadcastReceiver() {
9833                                    @Override
9834                                    public void onReceive(Context context, Intent intent) {
9835                                        final Message msg = mHandler
9836                                                .obtainMessage(CHECK_PENDING_VERIFICATION);
9837                                        msg.arg1 = verificationId;
9838                                        mHandler.sendMessageDelayed(msg, getVerificationTimeout());
9839                                    }
9840                                }, null, 0, null, null);
9841
9842                        /*
9843                         * We don't want the copy to proceed until verification
9844                         * succeeds, so null out this field.
9845                         */
9846                        mArgs = null;
9847                    }
9848                } else {
9849                    /*
9850                     * No package verification is enabled, so immediately start
9851                     * the remote call to initiate copy using temporary file.
9852                     */
9853                    ret = args.copyApk(mContainerService, true);
9854                }
9855            }
9856
9857            mRet = ret;
9858        }
9859
9860        @Override
9861        void handleReturnCode() {
9862            // If mArgs is null, then MCS couldn't be reached. When it
9863            // reconnects, it will try again to install. At that point, this
9864            // will succeed.
9865            if (mArgs != null) {
9866                processPendingInstall(mArgs, mRet);
9867            }
9868        }
9869
9870        @Override
9871        void handleServiceError() {
9872            mArgs = createInstallArgs(this);
9873            mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
9874        }
9875
9876        public boolean isForwardLocked() {
9877            return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
9878        }
9879    }
9880
9881    /**
9882     * Used during creation of InstallArgs
9883     *
9884     * @param installFlags package installation flags
9885     * @return true if should be installed on external storage
9886     */
9887    private static boolean installOnExternalAsec(int installFlags) {
9888        if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) {
9889            return false;
9890        }
9891        if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) {
9892            return true;
9893        }
9894        return false;
9895    }
9896
9897    /**
9898     * Used during creation of InstallArgs
9899     *
9900     * @param installFlags package installation flags
9901     * @return true if should be installed as forward locked
9902     */
9903    private static boolean installForwardLocked(int installFlags) {
9904        return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
9905    }
9906
9907    private InstallArgs createInstallArgs(InstallParams params) {
9908        if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) {
9909            return new AsecInstallArgs(params);
9910        } else {
9911            return new FileInstallArgs(params);
9912        }
9913    }
9914
9915    /**
9916     * Create args that describe an existing installed package. Typically used
9917     * when cleaning up old installs, or used as a move source.
9918     */
9919    private InstallArgs createInstallArgsForExisting(int installFlags, String codePath,
9920            String resourcePath, String nativeLibraryRoot, String[] instructionSets) {
9921        final boolean isInAsec;
9922        if (installOnExternalAsec(installFlags)) {
9923            /* Apps on SD card are always in ASEC containers. */
9924            isInAsec = true;
9925        } else if (installForwardLocked(installFlags)
9926                && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) {
9927            /*
9928             * Forward-locked apps are only in ASEC containers if they're the
9929             * new style
9930             */
9931            isInAsec = true;
9932        } else {
9933            isInAsec = false;
9934        }
9935
9936        if (isInAsec) {
9937            return new AsecInstallArgs(codePath, instructionSets,
9938                    installOnExternalAsec(installFlags), installForwardLocked(installFlags));
9939        } else {
9940            return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot,
9941                    instructionSets);
9942        }
9943    }
9944
9945    static abstract class InstallArgs {
9946        /** @see InstallParams#origin */
9947        final OriginInfo origin;
9948
9949        final IPackageInstallObserver2 observer;
9950        // Always refers to PackageManager flags only
9951        final int installFlags;
9952        final String installerPackageName;
9953        final String volumeUuid;
9954        final ManifestDigest manifestDigest;
9955        final UserHandle user;
9956        final String abiOverride;
9957
9958        // The list of instruction sets supported by this app. This is currently
9959        // only used during the rmdex() phase to clean up resources. We can get rid of this
9960        // if we move dex files under the common app path.
9961        /* nullable */ String[] instructionSets;
9962
9963        InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags,
9964                String installerPackageName, String volumeUuid, ManifestDigest manifestDigest,
9965                UserHandle user, String[] instructionSets, String abiOverride) {
9966            this.origin = origin;
9967            this.installFlags = installFlags;
9968            this.observer = observer;
9969            this.installerPackageName = installerPackageName;
9970            this.volumeUuid = volumeUuid;
9971            this.manifestDigest = manifestDigest;
9972            this.user = user;
9973            this.instructionSets = instructionSets;
9974            this.abiOverride = abiOverride;
9975        }
9976
9977        abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException;
9978        abstract int doPreInstall(int status);
9979
9980        /**
9981         * Rename package into final resting place. All paths on the given
9982         * scanned package should be updated to reflect the rename.
9983         */
9984        abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath);
9985        abstract int doPostInstall(int status, int uid);
9986
9987        /** @see PackageSettingBase#codePathString */
9988        abstract String getCodePath();
9989        /** @see PackageSettingBase#resourcePathString */
9990        abstract String getResourcePath();
9991        abstract String getLegacyNativeLibraryPath();
9992
9993        // Need installer lock especially for dex file removal.
9994        abstract void cleanUpResourcesLI();
9995        abstract boolean doPostDeleteLI(boolean delete);
9996        abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException;
9997
9998        /**
9999         * Called before the source arguments are copied. This is used mostly
10000         * for MoveParams when it needs to read the source file to put it in the
10001         * destination.
10002         */
10003        int doPreCopy() {
10004            return PackageManager.INSTALL_SUCCEEDED;
10005        }
10006
10007        /**
10008         * Called after the source arguments are copied. This is used mostly for
10009         * MoveParams when it needs to read the source file to put it in the
10010         * destination.
10011         *
10012         * @return
10013         */
10014        int doPostCopy(int uid) {
10015            return PackageManager.INSTALL_SUCCEEDED;
10016        }
10017
10018        protected boolean isFwdLocked() {
10019            return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
10020        }
10021
10022        protected boolean isExternalAsec() {
10023            return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
10024        }
10025
10026        UserHandle getUser() {
10027            return user;
10028        }
10029    }
10030
10031    private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) {
10032        if (!allCodePaths.isEmpty()) {
10033            if (instructionSets == null) {
10034                throw new IllegalStateException("instructionSet == null");
10035            }
10036            String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets);
10037            for (String codePath : allCodePaths) {
10038                for (String dexCodeInstructionSet : dexCodeInstructionSets) {
10039                    int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet);
10040                    if (retCode < 0) {
10041                        Slog.w(TAG, "Couldn't remove dex file for package: "
10042                                + " at location " + codePath + ", retcode=" + retCode);
10043                        // we don't consider this to be a failure of the core package deletion
10044                    }
10045                }
10046            }
10047        }
10048    }
10049
10050    /**
10051     * Logic to handle installation of non-ASEC applications, including copying
10052     * and renaming logic.
10053     */
10054    class FileInstallArgs extends InstallArgs {
10055        private File codeFile;
10056        private File resourceFile;
10057        private File legacyNativeLibraryPath;
10058
10059        // Example topology:
10060        // /data/app/com.example/base.apk
10061        // /data/app/com.example/split_foo.apk
10062        // /data/app/com.example/lib/arm/libfoo.so
10063        // /data/app/com.example/lib/arm64/libfoo.so
10064        // /data/app/com.example/dalvik/arm/base.apk@classes.dex
10065
10066        /** New install */
10067        FileInstallArgs(InstallParams params) {
10068            super(params.origin, params.observer, params.installFlags,
10069                    params.installerPackageName, params.volumeUuid, params.getManifestDigest(),
10070                    params.getUser(), null /* instruction sets */, params.packageAbiOverride);
10071            if (isFwdLocked()) {
10072                throw new IllegalArgumentException("Forward locking only supported in ASEC");
10073            }
10074        }
10075
10076        /** Existing install */
10077        FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath,
10078                String[] instructionSets) {
10079            super(OriginInfo.fromNothing(), null, 0, null, null, null, null, instructionSets, null);
10080            this.codeFile = (codePath != null) ? new File(codePath) : null;
10081            this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null;
10082            this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ?
10083                    new File(legacyNativeLibraryPath) : null;
10084        }
10085
10086        boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException {
10087            final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(),
10088                    isFwdLocked(), abiOverride);
10089
10090            final StorageManager storage = StorageManager.from(mContext);
10091            return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory()));
10092        }
10093
10094        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
10095            if (origin.staged) {
10096                Slog.d(TAG, origin.file + " already staged; skipping copy");
10097                codeFile = origin.file;
10098                resourceFile = origin.file;
10099                return PackageManager.INSTALL_SUCCEEDED;
10100            }
10101
10102            try {
10103                final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid);
10104                codeFile = tempDir;
10105                resourceFile = tempDir;
10106            } catch (IOException e) {
10107                Slog.w(TAG, "Failed to create copy file: " + e);
10108                return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
10109            }
10110
10111            final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() {
10112                @Override
10113                public ParcelFileDescriptor open(String name, int mode) throws RemoteException {
10114                    if (!FileUtils.isValidExtFilename(name)) {
10115                        throw new IllegalArgumentException("Invalid filename: " + name);
10116                    }
10117                    try {
10118                        final File file = new File(codeFile, name);
10119                        final FileDescriptor fd = Os.open(file.getAbsolutePath(),
10120                                O_RDWR | O_CREAT, 0644);
10121                        Os.chmod(file.getAbsolutePath(), 0644);
10122                        return new ParcelFileDescriptor(fd);
10123                    } catch (ErrnoException e) {
10124                        throw new RemoteException("Failed to open: " + e.getMessage());
10125                    }
10126                }
10127            };
10128
10129            int ret = PackageManager.INSTALL_SUCCEEDED;
10130            ret = imcs.copyPackage(origin.file.getAbsolutePath(), target);
10131            if (ret != PackageManager.INSTALL_SUCCEEDED) {
10132                Slog.e(TAG, "Failed to copy package");
10133                return ret;
10134            }
10135
10136            final File libraryRoot = new File(codeFile, LIB_DIR_NAME);
10137            NativeLibraryHelper.Handle handle = null;
10138            try {
10139                handle = NativeLibraryHelper.Handle.create(codeFile);
10140                ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot,
10141                        abiOverride);
10142            } catch (IOException e) {
10143                Slog.e(TAG, "Copying native libraries failed", e);
10144                ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
10145            } finally {
10146                IoUtils.closeQuietly(handle);
10147            }
10148
10149            return ret;
10150        }
10151
10152        int doPreInstall(int status) {
10153            if (status != PackageManager.INSTALL_SUCCEEDED) {
10154                cleanUp();
10155            }
10156            return status;
10157        }
10158
10159        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
10160            if (status != PackageManager.INSTALL_SUCCEEDED) {
10161                cleanUp();
10162                return false;
10163            } else {
10164                final File targetDir = codeFile.getParentFile();
10165                final File beforeCodeFile = codeFile;
10166                final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName);
10167
10168                Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile);
10169                try {
10170                    Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath());
10171                } catch (ErrnoException e) {
10172                    Slog.d(TAG, "Failed to rename", e);
10173                    return false;
10174                }
10175
10176                if (!SELinux.restoreconRecursive(afterCodeFile)) {
10177                    Slog.d(TAG, "Failed to restorecon");
10178                    return false;
10179                }
10180
10181                // Reflect the rename internally
10182                codeFile = afterCodeFile;
10183                resourceFile = afterCodeFile;
10184
10185                // Reflect the rename in scanned details
10186                pkg.codePath = afterCodeFile.getAbsolutePath();
10187                pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
10188                        pkg.baseCodePath);
10189                pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
10190                        pkg.splitCodePaths);
10191
10192                // Reflect the rename in app info
10193                pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
10194                pkg.applicationInfo.setCodePath(pkg.codePath);
10195                pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
10196                pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
10197                pkg.applicationInfo.setResourcePath(pkg.codePath);
10198                pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
10199                pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
10200
10201                return true;
10202            }
10203        }
10204
10205        int doPostInstall(int status, int uid) {
10206            if (status != PackageManager.INSTALL_SUCCEEDED) {
10207                cleanUp();
10208            }
10209            return status;
10210        }
10211
10212        @Override
10213        String getCodePath() {
10214            return (codeFile != null) ? codeFile.getAbsolutePath() : null;
10215        }
10216
10217        @Override
10218        String getResourcePath() {
10219            return (resourceFile != null) ? resourceFile.getAbsolutePath() : null;
10220        }
10221
10222        @Override
10223        String getLegacyNativeLibraryPath() {
10224            return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null;
10225        }
10226
10227        private boolean cleanUp() {
10228            if (codeFile == null || !codeFile.exists()) {
10229                return false;
10230            }
10231
10232            if (codeFile.isDirectory()) {
10233                mInstaller.rmPackageDir(codeFile.getAbsolutePath());
10234            } else {
10235                codeFile.delete();
10236            }
10237
10238            if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) {
10239                resourceFile.delete();
10240            }
10241
10242            if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) {
10243                if (!FileUtils.deleteContents(legacyNativeLibraryPath)) {
10244                    Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath);
10245                }
10246                legacyNativeLibraryPath.delete();
10247            }
10248
10249            return true;
10250        }
10251
10252        void cleanUpResourcesLI() {
10253            // Try enumerating all code paths before deleting
10254            List<String> allCodePaths = Collections.EMPTY_LIST;
10255            if (codeFile != null && codeFile.exists()) {
10256                try {
10257                    final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0);
10258                    allCodePaths = pkg.getAllCodePaths();
10259                } catch (PackageParserException e) {
10260                    // Ignored; we tried our best
10261                }
10262            }
10263
10264            cleanUp();
10265            removeDexFiles(allCodePaths, instructionSets);
10266        }
10267
10268        boolean doPostDeleteLI(boolean delete) {
10269            // XXX err, shouldn't we respect the delete flag?
10270            cleanUpResourcesLI();
10271            return true;
10272        }
10273    }
10274
10275    private boolean isAsecExternal(String cid) {
10276        final String asecPath = PackageHelper.getSdFilesystem(cid);
10277        return !asecPath.startsWith(mAsecInternalPath);
10278    }
10279
10280    private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws
10281            PackageManagerException {
10282        if (copyRet < 0) {
10283            if (copyRet != PackageManager.NO_NATIVE_LIBRARIES &&
10284                    copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) {
10285                throw new PackageManagerException(copyRet, message);
10286            }
10287        }
10288    }
10289
10290    /**
10291     * Extract the MountService "container ID" from the full code path of an
10292     * .apk.
10293     */
10294    static String cidFromCodePath(String fullCodePath) {
10295        int eidx = fullCodePath.lastIndexOf("/");
10296        String subStr1 = fullCodePath.substring(0, eidx);
10297        int sidx = subStr1.lastIndexOf("/");
10298        return subStr1.substring(sidx+1, eidx);
10299    }
10300
10301    /**
10302     * Logic to handle installation of ASEC applications, including copying and
10303     * renaming logic.
10304     */
10305    class AsecInstallArgs extends InstallArgs {
10306        static final String RES_FILE_NAME = "pkg.apk";
10307        static final String PUBLIC_RES_FILE_NAME = "res.zip";
10308
10309        String cid;
10310        String packagePath;
10311        String resourcePath;
10312        String legacyNativeLibraryDir;
10313
10314        /** New install */
10315        AsecInstallArgs(InstallParams params) {
10316            super(params.origin, params.observer, params.installFlags,
10317                    params.installerPackageName, params.volumeUuid, params.getManifestDigest(),
10318                    params.getUser(), null /* instruction sets */, params.packageAbiOverride);
10319        }
10320
10321        /** Existing install */
10322        AsecInstallArgs(String fullCodePath, String[] instructionSets,
10323                        boolean isExternal, boolean isForwardLocked) {
10324            super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0)
10325                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null,
10326                    instructionSets, null);
10327            // Hackily pretend we're still looking at a full code path
10328            if (!fullCodePath.endsWith(RES_FILE_NAME)) {
10329                fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath();
10330            }
10331
10332            // Extract cid from fullCodePath
10333            int eidx = fullCodePath.lastIndexOf("/");
10334            String subStr1 = fullCodePath.substring(0, eidx);
10335            int sidx = subStr1.lastIndexOf("/");
10336            cid = subStr1.substring(sidx+1, eidx);
10337            setMountPath(subStr1);
10338        }
10339
10340        AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) {
10341            super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0)
10342                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null,
10343                    instructionSets, null);
10344            this.cid = cid;
10345            setMountPath(PackageHelper.getSdDir(cid));
10346        }
10347
10348        void createCopyFile() {
10349            cid = mInstallerService.allocateExternalStageCidLegacy();
10350        }
10351
10352        boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException {
10353            final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(),
10354                    abiOverride);
10355
10356            final File target;
10357            if (isExternalAsec()) {
10358                target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory();
10359            } else {
10360                target = Environment.getDataDirectory();
10361            }
10362
10363            final StorageManager storage = StorageManager.from(mContext);
10364            return (sizeBytes <= storage.getStorageBytesUntilLow(target));
10365        }
10366
10367        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
10368            if (origin.staged) {
10369                Slog.d(TAG, origin.cid + " already staged; skipping copy");
10370                cid = origin.cid;
10371                setMountPath(PackageHelper.getSdDir(cid));
10372                return PackageManager.INSTALL_SUCCEEDED;
10373            }
10374
10375            if (temp) {
10376                createCopyFile();
10377            } else {
10378                /*
10379                 * Pre-emptively destroy the container since it's destroyed if
10380                 * copying fails due to it existing anyway.
10381                 */
10382                PackageHelper.destroySdDir(cid);
10383            }
10384
10385            final String newMountPath = imcs.copyPackageToContainer(
10386                    origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(),
10387                    isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */));
10388
10389            if (newMountPath != null) {
10390                setMountPath(newMountPath);
10391                return PackageManager.INSTALL_SUCCEEDED;
10392            } else {
10393                return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
10394            }
10395        }
10396
10397        @Override
10398        String getCodePath() {
10399            return packagePath;
10400        }
10401
10402        @Override
10403        String getResourcePath() {
10404            return resourcePath;
10405        }
10406
10407        @Override
10408        String getLegacyNativeLibraryPath() {
10409            return legacyNativeLibraryDir;
10410        }
10411
10412        int doPreInstall(int status) {
10413            if (status != PackageManager.INSTALL_SUCCEEDED) {
10414                // Destroy container
10415                PackageHelper.destroySdDir(cid);
10416            } else {
10417                boolean mounted = PackageHelper.isContainerMounted(cid);
10418                if (!mounted) {
10419                    String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(),
10420                            Process.SYSTEM_UID);
10421                    if (newMountPath != null) {
10422                        setMountPath(newMountPath);
10423                    } else {
10424                        return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
10425                    }
10426                }
10427            }
10428            return status;
10429        }
10430
10431        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
10432            String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME);
10433            String newMountPath = null;
10434            if (PackageHelper.isContainerMounted(cid)) {
10435                // Unmount the container
10436                if (!PackageHelper.unMountSdDir(cid)) {
10437                    Slog.i(TAG, "Failed to unmount " + cid + " before renaming");
10438                    return false;
10439                }
10440            }
10441            if (!PackageHelper.renameSdDir(cid, newCacheId)) {
10442                Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId +
10443                        " which might be stale. Will try to clean up.");
10444                // Clean up the stale container and proceed to recreate.
10445                if (!PackageHelper.destroySdDir(newCacheId)) {
10446                    Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId);
10447                    return false;
10448                }
10449                // Successfully cleaned up stale container. Try to rename again.
10450                if (!PackageHelper.renameSdDir(cid, newCacheId)) {
10451                    Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId
10452                            + " inspite of cleaning it up.");
10453                    return false;
10454                }
10455            }
10456            if (!PackageHelper.isContainerMounted(newCacheId)) {
10457                Slog.w(TAG, "Mounting container " + newCacheId);
10458                newMountPath = PackageHelper.mountSdDir(newCacheId,
10459                        getEncryptKey(), Process.SYSTEM_UID);
10460            } else {
10461                newMountPath = PackageHelper.getSdDir(newCacheId);
10462            }
10463            if (newMountPath == null) {
10464                Slog.w(TAG, "Failed to get cache path for  " + newCacheId);
10465                return false;
10466            }
10467            Log.i(TAG, "Succesfully renamed " + cid +
10468                    " to " + newCacheId +
10469                    " at new path: " + newMountPath);
10470            cid = newCacheId;
10471
10472            final File beforeCodeFile = new File(packagePath);
10473            setMountPath(newMountPath);
10474            final File afterCodeFile = new File(packagePath);
10475
10476            // Reflect the rename in scanned details
10477            pkg.codePath = afterCodeFile.getAbsolutePath();
10478            pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
10479                    pkg.baseCodePath);
10480            pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
10481                    pkg.splitCodePaths);
10482
10483            // Reflect the rename in app info
10484            pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
10485            pkg.applicationInfo.setCodePath(pkg.codePath);
10486            pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
10487            pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
10488            pkg.applicationInfo.setResourcePath(pkg.codePath);
10489            pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
10490            pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
10491
10492            return true;
10493        }
10494
10495        private void setMountPath(String mountPath) {
10496            final File mountFile = new File(mountPath);
10497
10498            final File monolithicFile = new File(mountFile, RES_FILE_NAME);
10499            if (monolithicFile.exists()) {
10500                packagePath = monolithicFile.getAbsolutePath();
10501                if (isFwdLocked()) {
10502                    resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath();
10503                } else {
10504                    resourcePath = packagePath;
10505                }
10506            } else {
10507                packagePath = mountFile.getAbsolutePath();
10508                resourcePath = packagePath;
10509            }
10510
10511            legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath();
10512        }
10513
10514        int doPostInstall(int status, int uid) {
10515            if (status != PackageManager.INSTALL_SUCCEEDED) {
10516                cleanUp();
10517            } else {
10518                final int groupOwner;
10519                final String protectedFile;
10520                if (isFwdLocked()) {
10521                    groupOwner = UserHandle.getSharedAppGid(uid);
10522                    protectedFile = RES_FILE_NAME;
10523                } else {
10524                    groupOwner = -1;
10525                    protectedFile = null;
10526                }
10527
10528                if (uid < Process.FIRST_APPLICATION_UID
10529                        || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) {
10530                    Slog.e(TAG, "Failed to finalize " + cid);
10531                    PackageHelper.destroySdDir(cid);
10532                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
10533                }
10534
10535                boolean mounted = PackageHelper.isContainerMounted(cid);
10536                if (!mounted) {
10537                    PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid());
10538                }
10539            }
10540            return status;
10541        }
10542
10543        private void cleanUp() {
10544            if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp");
10545
10546            // Destroy secure container
10547            PackageHelper.destroySdDir(cid);
10548        }
10549
10550        private List<String> getAllCodePaths() {
10551            final File codeFile = new File(getCodePath());
10552            if (codeFile != null && codeFile.exists()) {
10553                try {
10554                    final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0);
10555                    return pkg.getAllCodePaths();
10556                } catch (PackageParserException e) {
10557                    // Ignored; we tried our best
10558                }
10559            }
10560            return Collections.EMPTY_LIST;
10561        }
10562
10563        void cleanUpResourcesLI() {
10564            // Enumerate all code paths before deleting
10565            cleanUpResourcesLI(getAllCodePaths());
10566        }
10567
10568        private void cleanUpResourcesLI(List<String> allCodePaths) {
10569            cleanUp();
10570            removeDexFiles(allCodePaths, instructionSets);
10571        }
10572
10573
10574
10575        String getPackageName() {
10576            return getAsecPackageName(cid);
10577        }
10578
10579        boolean doPostDeleteLI(boolean delete) {
10580            if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete);
10581            final List<String> allCodePaths = getAllCodePaths();
10582            boolean mounted = PackageHelper.isContainerMounted(cid);
10583            if (mounted) {
10584                // Unmount first
10585                if (PackageHelper.unMountSdDir(cid)) {
10586                    mounted = false;
10587                }
10588            }
10589            if (!mounted && delete) {
10590                cleanUpResourcesLI(allCodePaths);
10591            }
10592            return !mounted;
10593        }
10594
10595        @Override
10596        int doPreCopy() {
10597            if (isFwdLocked()) {
10598                if (!PackageHelper.fixSdPermissions(cid,
10599                        getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) {
10600                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
10601                }
10602            }
10603
10604            return PackageManager.INSTALL_SUCCEEDED;
10605        }
10606
10607        @Override
10608        int doPostCopy(int uid) {
10609            if (isFwdLocked()) {
10610                if (uid < Process.FIRST_APPLICATION_UID
10611                        || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid),
10612                                RES_FILE_NAME)) {
10613                    Slog.e(TAG, "Failed to finalize " + cid);
10614                    PackageHelper.destroySdDir(cid);
10615                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
10616                }
10617            }
10618
10619            return PackageManager.INSTALL_SUCCEEDED;
10620        }
10621    }
10622
10623    static String getAsecPackageName(String packageCid) {
10624        int idx = packageCid.lastIndexOf("-");
10625        if (idx == -1) {
10626            return packageCid;
10627        }
10628        return packageCid.substring(0, idx);
10629    }
10630
10631    // Utility method used to create code paths based on package name and available index.
10632    private static String getNextCodePath(String oldCodePath, String prefix, String suffix) {
10633        String idxStr = "";
10634        int idx = 1;
10635        // Fall back to default value of idx=1 if prefix is not
10636        // part of oldCodePath
10637        if (oldCodePath != null) {
10638            String subStr = oldCodePath;
10639            // Drop the suffix right away
10640            if (suffix != null && subStr.endsWith(suffix)) {
10641                subStr = subStr.substring(0, subStr.length() - suffix.length());
10642            }
10643            // If oldCodePath already contains prefix find out the
10644            // ending index to either increment or decrement.
10645            int sidx = subStr.lastIndexOf(prefix);
10646            if (sidx != -1) {
10647                subStr = subStr.substring(sidx + prefix.length());
10648                if (subStr != null) {
10649                    if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) {
10650                        subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length());
10651                    }
10652                    try {
10653                        idx = Integer.parseInt(subStr);
10654                        if (idx <= 1) {
10655                            idx++;
10656                        } else {
10657                            idx--;
10658                        }
10659                    } catch(NumberFormatException e) {
10660                    }
10661                }
10662            }
10663        }
10664        idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx);
10665        return prefix + idxStr;
10666    }
10667
10668    private File getNextCodePath(File targetDir, String packageName) {
10669        int suffix = 1;
10670        File result;
10671        do {
10672            result = new File(targetDir, packageName + "-" + suffix);
10673            suffix++;
10674        } while (result.exists());
10675        return result;
10676    }
10677
10678    // Utility method that returns the relative package path with respect
10679    // to the installation directory. Like say for /data/data/com.test-1.apk
10680    // string com.test-1 is returned.
10681    static String deriveCodePathName(String codePath) {
10682        if (codePath == null) {
10683            return null;
10684        }
10685        final File codeFile = new File(codePath);
10686        final String name = codeFile.getName();
10687        if (codeFile.isDirectory()) {
10688            return name;
10689        } else if (name.endsWith(".apk") || name.endsWith(".tmp")) {
10690            final int lastDot = name.lastIndexOf('.');
10691            return name.substring(0, lastDot);
10692        } else {
10693            Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK");
10694            return null;
10695        }
10696    }
10697
10698    class PackageInstalledInfo {
10699        String name;
10700        int uid;
10701        // The set of users that originally had this package installed.
10702        int[] origUsers;
10703        // The set of users that now have this package installed.
10704        int[] newUsers;
10705        PackageParser.Package pkg;
10706        int returnCode;
10707        String returnMsg;
10708        PackageRemovedInfo removedInfo;
10709
10710        public void setError(int code, String msg) {
10711            returnCode = code;
10712            returnMsg = msg;
10713            Slog.w(TAG, msg);
10714        }
10715
10716        public void setError(String msg, PackageParserException e) {
10717            returnCode = e.error;
10718            returnMsg = ExceptionUtils.getCompleteMessage(msg, e);
10719            Slog.w(TAG, msg, e);
10720        }
10721
10722        public void setError(String msg, PackageManagerException e) {
10723            returnCode = e.error;
10724            returnMsg = ExceptionUtils.getCompleteMessage(msg, e);
10725            Slog.w(TAG, msg, e);
10726        }
10727
10728        // In some error cases we want to convey more info back to the observer
10729        String origPackage;
10730        String origPermission;
10731    }
10732
10733    /*
10734     * Install a non-existing package.
10735     */
10736    private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags,
10737            UserHandle user, String installerPackageName, String volumeUuid,
10738            PackageInstalledInfo res) {
10739        // Remember this for later, in case we need to rollback this install
10740        String pkgName = pkg.packageName;
10741
10742        if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg);
10743        final boolean dataDirExists = PackageManager.getDataDirForUser(volumeUuid, pkgName,
10744                UserHandle.USER_OWNER).exists();
10745        synchronized(mPackages) {
10746            if (mSettings.mRenamedPackages.containsKey(pkgName)) {
10747                // A package with the same name is already installed, though
10748                // it has been renamed to an older name.  The package we
10749                // are trying to install should be installed as an update to
10750                // the existing one, but that has not been requested, so bail.
10751                res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
10752                        + " without first uninstalling package running as "
10753                        + mSettings.mRenamedPackages.get(pkgName));
10754                return;
10755            }
10756            if (mPackages.containsKey(pkgName)) {
10757                // Don't allow installation over an existing package with the same name.
10758                res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
10759                        + " without first uninstalling.");
10760                return;
10761            }
10762        }
10763
10764        try {
10765            PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags,
10766                    System.currentTimeMillis(), user);
10767
10768            updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user);
10769            // delete the partially installed application. the data directory will have to be
10770            // restored if it was already existing
10771            if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
10772                // remove package from internal structures.  Note that we want deletePackageX to
10773                // delete the package data and cache directories that it created in
10774                // scanPackageLocked, unless those directories existed before we even tried to
10775                // install.
10776                deletePackageLI(pkgName, UserHandle.ALL, false, null, null,
10777                        dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0,
10778                                res.removedInfo, true);
10779            }
10780
10781        } catch (PackageManagerException e) {
10782            res.setError("Package couldn't be installed in " + pkg.codePath, e);
10783        }
10784    }
10785
10786    private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) {
10787        // Upgrade keysets are being used.  Determine if new package has a superset of the
10788        // required keys.
10789        long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets();
10790        KeySetManagerService ksms = mSettings.mKeySetManagerService;
10791        for (int i = 0; i < upgradeKeySets.length; i++) {
10792            Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]);
10793            if (newPkg.mSigningKeys.containsAll(upgradeSet)) {
10794                return true;
10795            }
10796        }
10797        return false;
10798    }
10799
10800    private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags,
10801            UserHandle user, String installerPackageName, String volumeUuid,
10802            PackageInstalledInfo res) {
10803        final PackageParser.Package oldPackage;
10804        final String pkgName = pkg.packageName;
10805        final int[] allUsers;
10806        final boolean[] perUserInstalled;
10807        final boolean weFroze;
10808
10809        // First find the old package info and check signatures
10810        synchronized(mPackages) {
10811            oldPackage = mPackages.get(pkgName);
10812            if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage);
10813            final PackageSetting ps = mSettings.mPackages.get(pkgName);
10814            if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) {
10815                // default to original signature matching
10816                if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures)
10817                    != PackageManager.SIGNATURE_MATCH) {
10818                    res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
10819                            "New package has a different signature: " + pkgName);
10820                    return;
10821                }
10822            } else {
10823                if(!checkUpgradeKeySetLP(ps, pkg)) {
10824                    res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
10825                            "New package not signed by keys specified by upgrade-keysets: "
10826                            + pkgName);
10827                    return;
10828                }
10829            }
10830
10831            // In case of rollback, remember per-user/profile install state
10832            allUsers = sUserManager.getUserIds();
10833            perUserInstalled = new boolean[allUsers.length];
10834            for (int i = 0; i < allUsers.length; i++) {
10835                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
10836            }
10837
10838            // Mark the app as frozen to prevent launching during the upgrade
10839            // process, and then kill all running instances
10840            if (!ps.frozen) {
10841                ps.frozen = true;
10842                weFroze = true;
10843            } else {
10844                weFroze = false;
10845            }
10846        }
10847
10848        // Now that we're guarded by frozen state, kill app during upgrade
10849        killApplication(pkgName, oldPackage.applicationInfo.uid, "replace pkg");
10850
10851        try {
10852            boolean sysPkg = (isSystemApp(oldPackage));
10853            if (sysPkg) {
10854                replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags,
10855                        user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res);
10856            } else {
10857                replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags,
10858                        user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res);
10859            }
10860        } finally {
10861            // Regardless of success or failure of upgrade steps above, always
10862            // unfreeze the package if we froze it
10863            if (weFroze) {
10864                unfreezePackage(pkgName);
10865            }
10866        }
10867    }
10868
10869    private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage,
10870            PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user,
10871            int[] allUsers, boolean[] perUserInstalled, String installerPackageName,
10872            String volumeUuid, PackageInstalledInfo res) {
10873        String pkgName = deletedPackage.packageName;
10874        boolean deletedPkg = true;
10875        boolean updatedSettings = false;
10876
10877        if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old="
10878                + deletedPackage);
10879        long origUpdateTime;
10880        if (pkg.mExtras != null) {
10881            origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime;
10882        } else {
10883            origUpdateTime = 0;
10884        }
10885
10886        // First delete the existing package while retaining the data directory
10887        if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA,
10888                res.removedInfo, true)) {
10889            // If the existing package wasn't successfully deleted
10890            res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI");
10891            deletedPkg = false;
10892        } else {
10893            // Successfully deleted the old package; proceed with replace.
10894
10895            // If deleted package lived in a container, give users a chance to
10896            // relinquish resources before killing.
10897            if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) {
10898                if (DEBUG_INSTALL) {
10899                    Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE");
10900                }
10901                final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid };
10902                final ArrayList<String> pkgList = new ArrayList<String>(1);
10903                pkgList.add(deletedPackage.applicationInfo.packageName);
10904                sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null);
10905            }
10906
10907            deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName);
10908            try {
10909                final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags,
10910                        scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user);
10911                updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers,
10912                        perUserInstalled, res, user);
10913                updatedSettings = true;
10914            } catch (PackageManagerException e) {
10915                res.setError("Package couldn't be installed in " + pkg.codePath, e);
10916            }
10917        }
10918
10919        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
10920            // remove package from internal structures.  Note that we want deletePackageX to
10921            // delete the package data and cache directories that it created in
10922            // scanPackageLocked, unless those directories existed before we even tried to
10923            // install.
10924            if(updatedSettings) {
10925                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName);
10926                deletePackageLI(
10927                        pkgName, null, true, allUsers, perUserInstalled,
10928                        PackageManager.DELETE_KEEP_DATA,
10929                                res.removedInfo, true);
10930            }
10931            // Since we failed to install the new package we need to restore the old
10932            // package that we deleted.
10933            if (deletedPkg) {
10934                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage);
10935                File restoreFile = new File(deletedPackage.codePath);
10936                // Parse old package
10937                boolean oldExternal = isExternal(deletedPackage);
10938                int oldParseFlags  = mDefParseFlags | PackageParser.PARSE_CHATTY |
10939                        (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) |
10940                        (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0);
10941                int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME;
10942                try {
10943                    scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null);
10944                } catch (PackageManagerException e) {
10945                    Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: "
10946                            + e.getMessage());
10947                    return;
10948                }
10949                // Restore of old package succeeded. Update permissions.
10950                // writer
10951                synchronized (mPackages) {
10952                    updatePermissionsLPw(deletedPackage.packageName, deletedPackage,
10953                            UPDATE_PERMISSIONS_ALL);
10954                    // can downgrade to reader
10955                    mSettings.writeLPr();
10956                }
10957                Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade");
10958            }
10959        }
10960    }
10961
10962    private void replaceSystemPackageLI(PackageParser.Package deletedPackage,
10963            PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user,
10964            int[] allUsers, boolean[] perUserInstalled, String installerPackageName,
10965            String volumeUuid, PackageInstalledInfo res) {
10966        if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg
10967                + ", old=" + deletedPackage);
10968        boolean disabledSystem = false;
10969        boolean updatedSettings = false;
10970        parseFlags |= PackageParser.PARSE_IS_SYSTEM;
10971        if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED)
10972                != 0) {
10973            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
10974        }
10975        String packageName = deletedPackage.packageName;
10976        if (packageName == null) {
10977            res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
10978                    "Attempt to delete null packageName.");
10979            return;
10980        }
10981        PackageParser.Package oldPkg;
10982        PackageSetting oldPkgSetting;
10983        // reader
10984        synchronized (mPackages) {
10985            oldPkg = mPackages.get(packageName);
10986            oldPkgSetting = mSettings.mPackages.get(packageName);
10987            if((oldPkg == null) || (oldPkg.applicationInfo == null) ||
10988                    (oldPkgSetting == null)) {
10989                res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
10990                        "Couldn't find package:" + packageName + " information");
10991                return;
10992            }
10993        }
10994
10995        res.removedInfo.uid = oldPkg.applicationInfo.uid;
10996        res.removedInfo.removedPackage = packageName;
10997        // Remove existing system package
10998        removePackageLI(oldPkgSetting, true);
10999        // writer
11000        synchronized (mPackages) {
11001            disabledSystem = mSettings.disableSystemPackageLPw(packageName);
11002            if (!disabledSystem && deletedPackage != null) {
11003                // We didn't need to disable the .apk as a current system package,
11004                // which means we are replacing another update that is already
11005                // installed.  We need to make sure to delete the older one's .apk.
11006                res.removedInfo.args = createInstallArgsForExisting(0,
11007                        deletedPackage.applicationInfo.getCodePath(),
11008                        deletedPackage.applicationInfo.getResourcePath(),
11009                        deletedPackage.applicationInfo.nativeLibraryRootDir,
11010                        getAppDexInstructionSets(deletedPackage.applicationInfo));
11011            } else {
11012                res.removedInfo.args = null;
11013            }
11014        }
11015
11016        // Successfully disabled the old package. Now proceed with re-installation
11017        deleteCodeCacheDirsLI(pkg.volumeUuid, packageName);
11018
11019        res.returnCode = PackageManager.INSTALL_SUCCEEDED;
11020        pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
11021
11022        PackageParser.Package newPackage = null;
11023        try {
11024            newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user);
11025            if (newPackage.mExtras != null) {
11026                final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras;
11027                newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime;
11028                newPkgSetting.lastUpdateTime = System.currentTimeMillis();
11029
11030                // is the update attempting to change shared user? that isn't going to work...
11031                if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) {
11032                    res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
11033                            "Forbidding shared user change from " + oldPkgSetting.sharedUser
11034                            + " to " + newPkgSetting.sharedUser);
11035                    updatedSettings = true;
11036                }
11037            }
11038
11039            if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
11040                updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers,
11041                        perUserInstalled, res, user);
11042                updatedSettings = true;
11043            }
11044
11045        } catch (PackageManagerException e) {
11046            res.setError("Package couldn't be installed in " + pkg.codePath, e);
11047        }
11048
11049        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
11050            // Re installation failed. Restore old information
11051            // Remove new pkg information
11052            if (newPackage != null) {
11053                removeInstalledPackageLI(newPackage, true);
11054            }
11055            // Add back the old system package
11056            try {
11057                scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user);
11058            } catch (PackageManagerException e) {
11059                Slog.e(TAG, "Failed to restore original package: " + e.getMessage());
11060            }
11061            // Restore the old system information in Settings
11062            synchronized (mPackages) {
11063                if (disabledSystem) {
11064                    mSettings.enableSystemPackageLPw(packageName);
11065                }
11066                if (updatedSettings) {
11067                    mSettings.setInstallerPackageName(packageName,
11068                            oldPkgSetting.installerPackageName);
11069                }
11070                mSettings.writeLPr();
11071            }
11072        }
11073    }
11074
11075    private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName,
11076            String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res,
11077            UserHandle user) {
11078        String pkgName = newPackage.packageName;
11079        synchronized (mPackages) {
11080            //write settings. the installStatus will be incomplete at this stage.
11081            //note that the new package setting would have already been
11082            //added to mPackages. It hasn't been persisted yet.
11083            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE);
11084            mSettings.writeLPr();
11085        }
11086
11087        if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath);
11088
11089        synchronized (mPackages) {
11090            updatePermissionsLPw(newPackage.packageName, newPackage,
11091                    UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0
11092                            ? UPDATE_PERMISSIONS_ALL : 0));
11093            // For system-bundled packages, we assume that installing an upgraded version
11094            // of the package implies that the user actually wants to run that new code,
11095            // so we enable the package.
11096            PackageSetting ps = mSettings.mPackages.get(pkgName);
11097            if (ps != null) {
11098                if (isSystemApp(newPackage)) {
11099                    // NB: implicit assumption that system package upgrades apply to all users
11100                    if (DEBUG_INSTALL) {
11101                        Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName);
11102                    }
11103                    if (res.origUsers != null) {
11104                        for (int userHandle : res.origUsers) {
11105                            ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT,
11106                                    userHandle, installerPackageName);
11107                        }
11108                    }
11109                    // Also convey the prior install/uninstall state
11110                    if (allUsers != null && perUserInstalled != null) {
11111                        for (int i = 0; i < allUsers.length; i++) {
11112                            if (DEBUG_INSTALL) {
11113                                Slog.d(TAG, "    user " + allUsers[i]
11114                                        + " => " + perUserInstalled[i]);
11115                            }
11116                            ps.setInstalled(perUserInstalled[i], allUsers[i]);
11117                        }
11118                        // these install state changes will be persisted in the
11119                        // upcoming call to mSettings.writeLPr().
11120                    }
11121                }
11122                // It's implied that when a user requests installation, they want the app to be
11123                // installed and enabled.
11124                int userId = user.getIdentifier();
11125                if (userId != UserHandle.USER_ALL) {
11126                    ps.setInstalled(true, userId);
11127                    ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName);
11128                }
11129            }
11130            res.name = pkgName;
11131            res.uid = newPackage.applicationInfo.uid;
11132            res.pkg = newPackage;
11133            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE);
11134            mSettings.setInstallerPackageName(pkgName, installerPackageName);
11135            res.returnCode = PackageManager.INSTALL_SUCCEEDED;
11136            //to update install status
11137            mSettings.writeLPr();
11138        }
11139    }
11140
11141    private void installPackageLI(InstallArgs args, PackageInstalledInfo res) {
11142        final int installFlags = args.installFlags;
11143        final String installerPackageName = args.installerPackageName;
11144        final String volumeUuid = args.volumeUuid;
11145        final File tmpPackageFile = new File(args.getCodePath());
11146        final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0);
11147        final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0)
11148                || (args.volumeUuid != null));
11149        boolean replace = false;
11150        int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE;
11151        // Result object to be returned
11152        res.returnCode = PackageManager.INSTALL_SUCCEEDED;
11153
11154        if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile);
11155        // Retrieve PackageSettings and parse package
11156        final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY
11157                | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0)
11158                | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0);
11159        PackageParser pp = new PackageParser();
11160        pp.setSeparateProcesses(mSeparateProcesses);
11161        pp.setDisplayMetrics(mMetrics);
11162
11163        final PackageParser.Package pkg;
11164        try {
11165            pkg = pp.parsePackage(tmpPackageFile, parseFlags);
11166        } catch (PackageParserException e) {
11167            res.setError("Failed parse during installPackageLI", e);
11168            return;
11169        }
11170
11171        // Mark that we have an install time CPU ABI override.
11172        pkg.cpuAbiOverride = args.abiOverride;
11173
11174        String pkgName = res.name = pkg.packageName;
11175        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) {
11176            if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) {
11177                res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI");
11178                return;
11179            }
11180        }
11181
11182        try {
11183            pp.collectCertificates(pkg, parseFlags);
11184            pp.collectManifestDigest(pkg);
11185        } catch (PackageParserException e) {
11186            res.setError("Failed collect during installPackageLI", e);
11187            return;
11188        }
11189
11190        /* If the installer passed in a manifest digest, compare it now. */
11191        if (args.manifestDigest != null) {
11192            if (DEBUG_INSTALL) {
11193                final String parsedManifest = pkg.manifestDigest == null ? "null"
11194                        : pkg.manifestDigest.toString();
11195                Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. "
11196                        + parsedManifest);
11197            }
11198
11199            if (!args.manifestDigest.equals(pkg.manifestDigest)) {
11200                res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed");
11201                return;
11202            }
11203        } else if (DEBUG_INSTALL) {
11204            final String parsedManifest = pkg.manifestDigest == null
11205                    ? "null" : pkg.manifestDigest.toString();
11206            Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest);
11207        }
11208
11209        // Get rid of all references to package scan path via parser.
11210        pp = null;
11211        String oldCodePath = null;
11212        boolean systemApp = false;
11213        synchronized (mPackages) {
11214            // Check if installing already existing package
11215            if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
11216                String oldName = mSettings.mRenamedPackages.get(pkgName);
11217                if (pkg.mOriginalPackages != null
11218                        && pkg.mOriginalPackages.contains(oldName)
11219                        && mPackages.containsKey(oldName)) {
11220                    // This package is derived from an original package,
11221                    // and this device has been updating from that original
11222                    // name.  We must continue using the original name, so
11223                    // rename the new package here.
11224                    pkg.setPackageName(oldName);
11225                    pkgName = pkg.packageName;
11226                    replace = true;
11227                    if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName="
11228                            + oldName + " pkgName=" + pkgName);
11229                } else if (mPackages.containsKey(pkgName)) {
11230                    // This package, under its official name, already exists
11231                    // on the device; we should replace it.
11232                    replace = true;
11233                    if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName);
11234                }
11235            }
11236
11237            PackageSetting ps = mSettings.mPackages.get(pkgName);
11238            if (ps != null) {
11239                if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps);
11240
11241                // Quick sanity check that we're signed correctly if updating;
11242                // we'll check this again later when scanning, but we want to
11243                // bail early here before tripping over redefined permissions.
11244                if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) {
11245                    try {
11246                        verifySignaturesLP(ps, pkg);
11247                    } catch (PackageManagerException e) {
11248                        res.setError(e.error, e.getMessage());
11249                        return;
11250                    }
11251                } else {
11252                    if (!checkUpgradeKeySetLP(ps, pkg)) {
11253                        res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
11254                                + pkg.packageName + " upgrade keys do not match the "
11255                                + "previously installed version");
11256                        return;
11257                    }
11258                }
11259
11260                oldCodePath = mSettings.mPackages.get(pkgName).codePathString;
11261                if (ps.pkg != null && ps.pkg.applicationInfo != null) {
11262                    systemApp = (ps.pkg.applicationInfo.flags &
11263                            ApplicationInfo.FLAG_SYSTEM) != 0;
11264                }
11265                res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
11266            }
11267
11268            // Check whether the newly-scanned package wants to define an already-defined perm
11269            int N = pkg.permissions.size();
11270            for (int i = N-1; i >= 0; i--) {
11271                PackageParser.Permission perm = pkg.permissions.get(i);
11272                BasePermission bp = mSettings.mPermissions.get(perm.info.name);
11273                if (bp != null) {
11274                    // If the defining package is signed with our cert, it's okay.  This
11275                    // also includes the "updating the same package" case, of course.
11276                    // "updating same package" could also involve key-rotation.
11277                    final boolean sigsOk;
11278                    if (!bp.sourcePackage.equals(pkg.packageName)
11279                            || !(bp.packageSetting instanceof PackageSetting)
11280                            || !bp.packageSetting.keySetData.isUsingUpgradeKeySets()
11281                            || ((PackageSetting) bp.packageSetting).sharedUser != null) {
11282                        sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures,
11283                                pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
11284                    } else {
11285                        sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg);
11286                    }
11287                    if (!sigsOk) {
11288                        // If the owning package is the system itself, we log but allow
11289                        // install to proceed; we fail the install on all other permission
11290                        // redefinitions.
11291                        if (!bp.sourcePackage.equals("android")) {
11292                            res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package "
11293                                    + pkg.packageName + " attempting to redeclare permission "
11294                                    + perm.info.name + " already owned by " + bp.sourcePackage);
11295                            res.origPermission = perm.info.name;
11296                            res.origPackage = bp.sourcePackage;
11297                            return;
11298                        } else {
11299                            Slog.w(TAG, "Package " + pkg.packageName
11300                                    + " attempting to redeclare system permission "
11301                                    + perm.info.name + "; ignoring new declaration");
11302                            pkg.permissions.remove(i);
11303                        }
11304                    }
11305                }
11306            }
11307
11308        }
11309
11310        if (systemApp && onExternal) {
11311            // Disable updates to system apps on sdcard
11312            res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION,
11313                    "Cannot install updates to system apps on sdcard");
11314            return;
11315        }
11316
11317        // If app directory is not writable, dexopt will be called after the rename
11318        if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) {
11319            // Enable SCAN_NO_DEX flag to skip dexopt at a later stage
11320            scanFlags |= SCAN_NO_DEX;
11321            // Run dexopt before old package gets removed, to minimize time when app is unavailable
11322            int result = mPackageDexOptimizer
11323                    .performDexOpt(pkg, null /* instruction sets */, true /* forceDex */,
11324                            false /* defer */, false /* inclDependencies */);
11325            if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
11326                res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath);
11327                return;
11328            }
11329        }
11330
11331        if (!args.doRename(res.returnCode, pkg, oldCodePath)) {
11332            res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename");
11333            return;
11334        }
11335
11336        startIntentFilterVerifications(args.user.getIdentifier(), pkg);
11337
11338        if (replace) {
11339            replacePackageLI(pkg, parseFlags, scanFlags, args.user,
11340                    installerPackageName, volumeUuid, res);
11341        } else {
11342            installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES,
11343                    args.user, installerPackageName, volumeUuid, res);
11344        }
11345        synchronized (mPackages) {
11346            final PackageSetting ps = mSettings.mPackages.get(pkgName);
11347            if (ps != null) {
11348                res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
11349            }
11350        }
11351    }
11352
11353    private void startIntentFilterVerifications(int userId, PackageParser.Package pkg) {
11354        if (mIntentFilterVerifierComponent == null) {
11355            Slog.d(TAG, "No IntentFilter verification will not be done as "
11356                    + "there is no IntentFilterVerifier available!");
11357            return;
11358        }
11359
11360        final int verifierUid = getPackageUid(
11361                mIntentFilterVerifierComponent.getPackageName(),
11362                (userId == UserHandle.USER_ALL) ? UserHandle.USER_OWNER : userId);
11363
11364        mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS);
11365        final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS);
11366        msg.obj = pkg;
11367        msg.arg1 = userId;
11368        msg.arg2 = verifierUid;
11369
11370        mHandler.sendMessage(msg);
11371    }
11372
11373    private void verifyIntentFiltersIfNeeded(int userId, int verifierUid,
11374            PackageParser.Package pkg) {
11375        int size = pkg.activities.size();
11376        if (size == 0) {
11377            Slog.d(TAG, "No activity, so no need to verify any IntentFilter!");
11378            return;
11379        }
11380
11381        final boolean hasDomainURLs = hasDomainURLs(pkg);
11382        if (!hasDomainURLs) {
11383            Slog.d(TAG, "No domain URLs, so no need to verify any IntentFilter!");
11384            return;
11385        }
11386
11387        Slog.d(TAG, "Checking for userId:" + userId + " if any IntentFilter from the " + size
11388                + " Activities needs verification ...");
11389
11390        final int verificationId = mIntentFilterVerificationToken++;
11391        int count = 0;
11392        final String packageName = pkg.packageName;
11393        ArrayList<String> allHosts = new ArrayList<>();
11394
11395        synchronized (mPackages) {
11396            for (PackageParser.Activity a : pkg.activities) {
11397                for (ActivityIntentInfo filter : a.intents) {
11398                    boolean needsFilterVerification = filter.needsVerification();
11399                    if (needsFilterVerification && needsNetworkVerificationLPr(filter)) {
11400                        Slog.d(TAG, "Verification needed for IntentFilter:" + filter.toString());
11401                        mIntentFilterVerifier.addOneIntentFilterVerification(
11402                                verifierUid, userId, verificationId, filter, packageName);
11403                        count++;
11404                    } else if (!needsFilterVerification) {
11405                        Slog.d(TAG, "No verification needed for IntentFilter:" + filter.toString());
11406                        if (hasValidDomains(filter)) {
11407                            ArrayList<String> hosts = filter.getHostsList();
11408                            if (hosts.size() > 0) {
11409                                allHosts.addAll(hosts);
11410                            } else {
11411                                if (allHosts.isEmpty()) {
11412                                    allHosts.add("*");
11413                                }
11414                            }
11415                        }
11416                    } else {
11417                        Slog.d(TAG, "Verification already done for IntentFilter:"
11418                                + filter.toString());
11419                    }
11420                }
11421            }
11422        }
11423
11424        if (count > 0) {
11425            mIntentFilterVerifier.startVerifications(userId);
11426            Slog.d(TAG, "Started " + count + " IntentFilter verification"
11427                    + (count > 1 ? "s" : "") +  " for userId:" + userId + "!");
11428        } else {
11429            Slog.d(TAG, "No need to start any IntentFilter verification!");
11430            if (allHosts.size() > 0 && mSettings.createIntentFilterVerificationIfNeededLPw(
11431                    packageName, allHosts) != null) {
11432                scheduleWriteSettingsLocked();
11433            }
11434        }
11435    }
11436
11437    private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) {
11438        final ComponentName cn  = filter.activity.getComponentName();
11439        final String packageName = cn.getPackageName();
11440
11441        IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr(
11442                packageName);
11443        if (ivi == null) {
11444            return true;
11445        }
11446        int status = ivi.getStatus();
11447        switch (status) {
11448            case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED:
11449            case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK:
11450                return true;
11451
11452            default:
11453                // Nothing to do
11454                return false;
11455        }
11456    }
11457
11458    private static boolean isMultiArch(PackageSetting ps) {
11459        return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0;
11460    }
11461
11462    private static boolean isMultiArch(ApplicationInfo info) {
11463        return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0;
11464    }
11465
11466    private static boolean isExternal(PackageParser.Package pkg) {
11467        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
11468    }
11469
11470    private static boolean isExternal(PackageSetting ps) {
11471        return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
11472    }
11473
11474    private static boolean isExternal(ApplicationInfo info) {
11475        return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
11476    }
11477
11478    private static boolean isSystemApp(PackageParser.Package pkg) {
11479        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
11480    }
11481
11482    private static boolean isPrivilegedApp(PackageParser.Package pkg) {
11483        return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0;
11484    }
11485
11486    private static boolean hasDomainURLs(PackageParser.Package pkg) {
11487        return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0;
11488    }
11489
11490    private static boolean isSystemApp(PackageSetting ps) {
11491        return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0;
11492    }
11493
11494    private static boolean isUpdatedSystemApp(PackageSetting ps) {
11495        return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
11496    }
11497
11498    private int packageFlagsToInstallFlags(PackageSetting ps) {
11499        int installFlags = 0;
11500        if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) {
11501            // This existing package was an external ASEC install when we have
11502            // the external flag without a UUID
11503            installFlags |= PackageManager.INSTALL_EXTERNAL;
11504        }
11505        if (ps.isForwardLocked()) {
11506            installFlags |= PackageManager.INSTALL_FORWARD_LOCK;
11507        }
11508        return installFlags;
11509    }
11510
11511    private void deleteTempPackageFiles() {
11512        final FilenameFilter filter = new FilenameFilter() {
11513            public boolean accept(File dir, String name) {
11514                return name.startsWith("vmdl") && name.endsWith(".tmp");
11515            }
11516        };
11517        for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) {
11518            file.delete();
11519        }
11520    }
11521
11522    @Override
11523    public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId,
11524            int flags) {
11525        deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId,
11526                flags);
11527    }
11528
11529    @Override
11530    public void deletePackage(final String packageName,
11531            final IPackageDeleteObserver2 observer, final int userId, final int flags) {
11532        mContext.enforceCallingOrSelfPermission(
11533                android.Manifest.permission.DELETE_PACKAGES, null);
11534        final int uid = Binder.getCallingUid();
11535        if (UserHandle.getUserId(uid) != userId) {
11536            mContext.enforceCallingPermission(
11537                    android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
11538                    "deletePackage for user " + userId);
11539        }
11540        if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) {
11541            try {
11542                observer.onPackageDeleted(packageName,
11543                        PackageManager.DELETE_FAILED_USER_RESTRICTED, null);
11544            } catch (RemoteException re) {
11545            }
11546            return;
11547        }
11548
11549        boolean uninstallBlocked = false;
11550        if ((flags & PackageManager.DELETE_ALL_USERS) != 0) {
11551            int[] users = sUserManager.getUserIds();
11552            for (int i = 0; i < users.length; ++i) {
11553                if (getBlockUninstallForUser(packageName, users[i])) {
11554                    uninstallBlocked = true;
11555                    break;
11556                }
11557            }
11558        } else {
11559            uninstallBlocked = getBlockUninstallForUser(packageName, userId);
11560        }
11561        if (uninstallBlocked) {
11562            try {
11563                observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED,
11564                        null);
11565            } catch (RemoteException re) {
11566            }
11567            return;
11568        }
11569
11570        if (DEBUG_REMOVE) {
11571            Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId);
11572        }
11573        // Queue up an async operation since the package deletion may take a little while.
11574        mHandler.post(new Runnable() {
11575            public void run() {
11576                mHandler.removeCallbacks(this);
11577                final int returnCode = deletePackageX(packageName, userId, flags);
11578                if (observer != null) {
11579                    try {
11580                        observer.onPackageDeleted(packageName, returnCode, null);
11581                    } catch (RemoteException e) {
11582                        Log.i(TAG, "Observer no longer exists.");
11583                    } //end catch
11584                } //end if
11585            } //end run
11586        });
11587    }
11588
11589    private boolean isPackageDeviceAdmin(String packageName, int userId) {
11590        IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface(
11591                ServiceManager.getService(Context.DEVICE_POLICY_SERVICE));
11592        try {
11593            if (dpm != null) {
11594                if (dpm.isDeviceOwner(packageName)) {
11595                    return true;
11596                }
11597                int[] users;
11598                if (userId == UserHandle.USER_ALL) {
11599                    users = sUserManager.getUserIds();
11600                } else {
11601                    users = new int[]{userId};
11602                }
11603                for (int i = 0; i < users.length; ++i) {
11604                    if (dpm.packageHasActiveAdmins(packageName, users[i])) {
11605                        return true;
11606                    }
11607                }
11608            }
11609        } catch (RemoteException e) {
11610        }
11611        return false;
11612    }
11613
11614    /**
11615     *  This method is an internal method that could be get invoked either
11616     *  to delete an installed package or to clean up a failed installation.
11617     *  After deleting an installed package, a broadcast is sent to notify any
11618     *  listeners that the package has been installed. For cleaning up a failed
11619     *  installation, the broadcast is not necessary since the package's
11620     *  installation wouldn't have sent the initial broadcast either
11621     *  The key steps in deleting a package are
11622     *  deleting the package information in internal structures like mPackages,
11623     *  deleting the packages base directories through installd
11624     *  updating mSettings to reflect current status
11625     *  persisting settings for later use
11626     *  sending a broadcast if necessary
11627     */
11628    private int deletePackageX(String packageName, int userId, int flags) {
11629        final PackageRemovedInfo info = new PackageRemovedInfo();
11630        final boolean res;
11631
11632        final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0
11633                ? UserHandle.ALL : new UserHandle(userId);
11634
11635        if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) {
11636            Slog.w(TAG, "Not removing package " + packageName + ": has active device admin");
11637            return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER;
11638        }
11639
11640        boolean removedForAllUsers = false;
11641        boolean systemUpdate = false;
11642
11643        // for the uninstall-updates case and restricted profiles, remember the per-
11644        // userhandle installed state
11645        int[] allUsers;
11646        boolean[] perUserInstalled;
11647        synchronized (mPackages) {
11648            PackageSetting ps = mSettings.mPackages.get(packageName);
11649            allUsers = sUserManager.getUserIds();
11650            perUserInstalled = new boolean[allUsers.length];
11651            for (int i = 0; i < allUsers.length; i++) {
11652                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
11653            }
11654        }
11655
11656        synchronized (mInstallLock) {
11657            if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId);
11658            res = deletePackageLI(packageName, removeForUser,
11659                    true, allUsers, perUserInstalled,
11660                    flags | REMOVE_CHATTY, info, true);
11661            systemUpdate = info.isRemovedPackageSystemUpdate;
11662            if (res && !systemUpdate && mPackages.get(packageName) == null) {
11663                removedForAllUsers = true;
11664            }
11665            if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate
11666                    + " removedForAllUsers=" + removedForAllUsers);
11667        }
11668
11669        if (res) {
11670            info.sendBroadcast(true, systemUpdate, removedForAllUsers);
11671
11672            // If the removed package was a system update, the old system package
11673            // was re-enabled; we need to broadcast this information
11674            if (systemUpdate) {
11675                Bundle extras = new Bundle(1);
11676                extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0
11677                        ? info.removedAppId : info.uid);
11678                extras.putBoolean(Intent.EXTRA_REPLACING, true);
11679
11680                sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName,
11681                        extras, null, null, null);
11682                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName,
11683                        extras, null, null, null);
11684                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null,
11685                        null, packageName, null, null);
11686            }
11687        }
11688        // Force a gc here.
11689        Runtime.getRuntime().gc();
11690        // Delete the resources here after sending the broadcast to let
11691        // other processes clean up before deleting resources.
11692        if (info.args != null) {
11693            synchronized (mInstallLock) {
11694                info.args.doPostDeleteLI(true);
11695            }
11696        }
11697
11698        return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR;
11699    }
11700
11701    static class PackageRemovedInfo {
11702        String removedPackage;
11703        int uid = -1;
11704        int removedAppId = -1;
11705        int[] removedUsers = null;
11706        boolean isRemovedPackageSystemUpdate = false;
11707        // Clean up resources deleted packages.
11708        InstallArgs args = null;
11709
11710        void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) {
11711            Bundle extras = new Bundle(1);
11712            extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid);
11713            extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove);
11714            if (replacing) {
11715                extras.putBoolean(Intent.EXTRA_REPLACING, true);
11716            }
11717            extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers);
11718            if (removedPackage != null) {
11719                sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
11720                        extras, null, null, removedUsers);
11721                if (fullRemove && !replacing) {
11722                    sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage,
11723                            extras, null, null, removedUsers);
11724                }
11725            }
11726            if (removedAppId >= 0) {
11727                sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null,
11728                        removedUsers);
11729            }
11730        }
11731    }
11732
11733    /*
11734     * This method deletes the package from internal data structures. If the DONT_DELETE_DATA
11735     * flag is not set, the data directory is removed as well.
11736     * make sure this flag is set for partially installed apps. If not its meaningless to
11737     * delete a partially installed application.
11738     */
11739    private void removePackageDataLI(PackageSetting ps,
11740            int[] allUserHandles, boolean[] perUserInstalled,
11741            PackageRemovedInfo outInfo, int flags, boolean writeSettings) {
11742        String packageName = ps.name;
11743        if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps);
11744        removePackageLI(ps, (flags&REMOVE_CHATTY) != 0);
11745        // Retrieve object to delete permissions for shared user later on
11746        final PackageSetting deletedPs;
11747        // reader
11748        synchronized (mPackages) {
11749            deletedPs = mSettings.mPackages.get(packageName);
11750            if (outInfo != null) {
11751                outInfo.removedPackage = packageName;
11752                outInfo.removedUsers = deletedPs != null
11753                        ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true)
11754                        : null;
11755            }
11756        }
11757        if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
11758            removeDataDirsLI(ps.volumeUuid, packageName);
11759            schedulePackageCleaning(packageName, UserHandle.USER_ALL, true);
11760        }
11761        // writer
11762        synchronized (mPackages) {
11763            if (deletedPs != null) {
11764                if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
11765                    if (outInfo != null) {
11766                        mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName);
11767                        outInfo.removedAppId = mSettings.removePackageLPw(packageName);
11768                    }
11769                    updatePermissionsLPw(deletedPs.name, null, 0);
11770                    if (deletedPs.sharedUser != null) {
11771                        // Remove permissions associated with package. Since runtime
11772                        // permissions are per user we have to kill the removed package
11773                        // or packages running under the shared user of the removed
11774                        // package if revoking the permissions requested only by the removed
11775                        // package is successful and this causes a change in gids.
11776                        for (int userId : UserManagerService.getInstance().getUserIds()) {
11777                            final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs,
11778                                    userId);
11779                            if (userIdToKill == UserHandle.USER_ALL
11780                                    || userIdToKill >= UserHandle.USER_OWNER) {
11781                                // If gids changed for this user, kill all affected packages.
11782                                mHandler.post(new Runnable() {
11783                                    @Override
11784                                    public void run() {
11785                                        // This has to happen with no lock held.
11786                                        killSettingPackagesForUser(deletedPs, userIdToKill,
11787                                                KILL_APP_REASON_GIDS_CHANGED);
11788                                    }
11789                                });
11790                            break;
11791                            }
11792                        }
11793                    }
11794                    clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL);
11795                    clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL);
11796                }
11797                // make sure to preserve per-user disabled state if this removal was just
11798                // a downgrade of a system app to the factory package
11799                if (allUserHandles != null && perUserInstalled != null) {
11800                    if (DEBUG_REMOVE) {
11801                        Slog.d(TAG, "Propagating install state across downgrade");
11802                    }
11803                    for (int i = 0; i < allUserHandles.length; i++) {
11804                        if (DEBUG_REMOVE) {
11805                            Slog.d(TAG, "    user " + allUserHandles[i]
11806                                    + " => " + perUserInstalled[i]);
11807                        }
11808                        ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
11809                    }
11810                }
11811            }
11812            // can downgrade to reader
11813            if (writeSettings) {
11814                // Save settings now
11815                mSettings.writeLPr();
11816            }
11817        }
11818        if (outInfo != null) {
11819            // A user ID was deleted here. Go through all users and remove it
11820            // from KeyStore.
11821            removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId);
11822        }
11823    }
11824
11825    static boolean locationIsPrivileged(File path) {
11826        try {
11827            final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app")
11828                    .getCanonicalPath();
11829            return path.getCanonicalPath().startsWith(privilegedAppDir);
11830        } catch (IOException e) {
11831            Slog.e(TAG, "Unable to access code path " + path);
11832        }
11833        return false;
11834    }
11835
11836    /*
11837     * Tries to delete system package.
11838     */
11839    private boolean deleteSystemPackageLI(PackageSetting newPs,
11840            int[] allUserHandles, boolean[] perUserInstalled,
11841            int flags, PackageRemovedInfo outInfo, boolean writeSettings) {
11842        final boolean applyUserRestrictions
11843                = (allUserHandles != null) && (perUserInstalled != null);
11844        PackageSetting disabledPs = null;
11845        // Confirm if the system package has been updated
11846        // An updated system app can be deleted. This will also have to restore
11847        // the system pkg from system partition
11848        // reader
11849        synchronized (mPackages) {
11850            disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name);
11851        }
11852        if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs
11853                + " disabledPs=" + disabledPs);
11854        if (disabledPs == null) {
11855            Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name);
11856            return false;
11857        } else if (DEBUG_REMOVE) {
11858            Slog.d(TAG, "Deleting system pkg from data partition");
11859        }
11860        if (DEBUG_REMOVE) {
11861            if (applyUserRestrictions) {
11862                Slog.d(TAG, "Remembering install states:");
11863                for (int i = 0; i < allUserHandles.length; i++) {
11864                    Slog.d(TAG, "   u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]);
11865                }
11866            }
11867        }
11868        // Delete the updated package
11869        outInfo.isRemovedPackageSystemUpdate = true;
11870        if (disabledPs.versionCode < newPs.versionCode) {
11871            // Delete data for downgrades
11872            flags &= ~PackageManager.DELETE_KEEP_DATA;
11873        } else {
11874            // Preserve data by setting flag
11875            flags |= PackageManager.DELETE_KEEP_DATA;
11876        }
11877        boolean ret = deleteInstalledPackageLI(newPs, true, flags,
11878                allUserHandles, perUserInstalled, outInfo, writeSettings);
11879        if (!ret) {
11880            return false;
11881        }
11882        // writer
11883        synchronized (mPackages) {
11884            // Reinstate the old system package
11885            mSettings.enableSystemPackageLPw(newPs.name);
11886            // Remove any native libraries from the upgraded package.
11887            NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString);
11888        }
11889        // Install the system package
11890        if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs);
11891        int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM;
11892        if (locationIsPrivileged(disabledPs.codePath)) {
11893            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
11894        }
11895
11896        final PackageParser.Package newPkg;
11897        try {
11898            newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null);
11899        } catch (PackageManagerException e) {
11900            Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage());
11901            return false;
11902        }
11903
11904        // writer
11905        synchronized (mPackages) {
11906            PackageSetting ps = mSettings.mPackages.get(newPkg.packageName);
11907            updatePermissionsLPw(newPkg.packageName, newPkg,
11908                    UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG);
11909            if (applyUserRestrictions) {
11910                if (DEBUG_REMOVE) {
11911                    Slog.d(TAG, "Propagating install state across reinstall");
11912                }
11913                for (int i = 0; i < allUserHandles.length; i++) {
11914                    if (DEBUG_REMOVE) {
11915                        Slog.d(TAG, "    user " + allUserHandles[i]
11916                                + " => " + perUserInstalled[i]);
11917                    }
11918                    ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
11919                }
11920                // Regardless of writeSettings we need to ensure that this restriction
11921                // state propagation is persisted
11922                mSettings.writeAllUsersPackageRestrictionsLPr();
11923            }
11924            // can downgrade to reader here
11925            if (writeSettings) {
11926                mSettings.writeLPr();
11927            }
11928        }
11929        return true;
11930    }
11931
11932    private boolean deleteInstalledPackageLI(PackageSetting ps,
11933            boolean deleteCodeAndResources, int flags,
11934            int[] allUserHandles, boolean[] perUserInstalled,
11935            PackageRemovedInfo outInfo, boolean writeSettings) {
11936        if (outInfo != null) {
11937            outInfo.uid = ps.appId;
11938        }
11939
11940        // Delete package data from internal structures and also remove data if flag is set
11941        removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings);
11942
11943        // Delete application code and resources
11944        if (deleteCodeAndResources && (outInfo != null)) {
11945            outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
11946                    ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString,
11947                    getAppDexInstructionSets(ps));
11948            if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args);
11949        }
11950        return true;
11951    }
11952
11953    @Override
11954    public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall,
11955            int userId) {
11956        mContext.enforceCallingOrSelfPermission(
11957                android.Manifest.permission.DELETE_PACKAGES, null);
11958        synchronized (mPackages) {
11959            PackageSetting ps = mSettings.mPackages.get(packageName);
11960            if (ps == null) {
11961                Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName);
11962                return false;
11963            }
11964            if (!ps.getInstalled(userId)) {
11965                // Can't block uninstall for an app that is not installed or enabled.
11966                Log.i(TAG, "Package not installed in set block uninstall " + packageName);
11967                return false;
11968            }
11969            ps.setBlockUninstall(blockUninstall, userId);
11970            mSettings.writePackageRestrictionsLPr(userId);
11971        }
11972        return true;
11973    }
11974
11975    @Override
11976    public boolean getBlockUninstallForUser(String packageName, int userId) {
11977        synchronized (mPackages) {
11978            PackageSetting ps = mSettings.mPackages.get(packageName);
11979            if (ps == null) {
11980                Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName);
11981                return false;
11982            }
11983            return ps.getBlockUninstall(userId);
11984        }
11985    }
11986
11987    /*
11988     * This method handles package deletion in general
11989     */
11990    private boolean deletePackageLI(String packageName, UserHandle user,
11991            boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled,
11992            int flags, PackageRemovedInfo outInfo,
11993            boolean writeSettings) {
11994        if (packageName == null) {
11995            Slog.w(TAG, "Attempt to delete null packageName.");
11996            return false;
11997        }
11998        if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user);
11999        PackageSetting ps;
12000        boolean dataOnly = false;
12001        int removeUser = -1;
12002        int appId = -1;
12003        synchronized (mPackages) {
12004            ps = mSettings.mPackages.get(packageName);
12005            if (ps == null) {
12006                Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
12007                return false;
12008            }
12009            if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null
12010                    && user.getIdentifier() != UserHandle.USER_ALL) {
12011                // The caller is asking that the package only be deleted for a single
12012                // user.  To do this, we just mark its uninstalled state and delete
12013                // its data.  If this is a system app, we only allow this to happen if
12014                // they have set the special DELETE_SYSTEM_APP which requests different
12015                // semantics than normal for uninstalling system apps.
12016                if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user");
12017                ps.setUserState(user.getIdentifier(),
12018                        COMPONENT_ENABLED_STATE_DEFAULT,
12019                        false, //installed
12020                        true,  //stopped
12021                        true,  //notLaunched
12022                        false, //hidden
12023                        null, null, null,
12024                        false, // blockUninstall
12025                        INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED);
12026                if (!isSystemApp(ps)) {
12027                    if (ps.isAnyInstalled(sUserManager.getUserIds())) {
12028                        // Other user still have this package installed, so all
12029                        // we need to do is clear this user's data and save that
12030                        // it is uninstalled.
12031                        if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users");
12032                        removeUser = user.getIdentifier();
12033                        appId = ps.appId;
12034                        scheduleWritePackageRestrictionsLocked(removeUser);
12035                    } else {
12036                        // We need to set it back to 'installed' so the uninstall
12037                        // broadcasts will be sent correctly.
12038                        if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete");
12039                        ps.setInstalled(true, user.getIdentifier());
12040                    }
12041                } else {
12042                    // This is a system app, so we assume that the
12043                    // other users still have this package installed, so all
12044                    // we need to do is clear this user's data and save that
12045                    // it is uninstalled.
12046                    if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app");
12047                    removeUser = user.getIdentifier();
12048                    appId = ps.appId;
12049                    scheduleWritePackageRestrictionsLocked(removeUser);
12050                }
12051            }
12052        }
12053
12054        if (removeUser >= 0) {
12055            // From above, we determined that we are deleting this only
12056            // for a single user.  Continue the work here.
12057            if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser);
12058            if (outInfo != null) {
12059                outInfo.removedPackage = packageName;
12060                outInfo.removedAppId = appId;
12061                outInfo.removedUsers = new int[] {removeUser};
12062            }
12063            mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser);
12064            removeKeystoreDataIfNeeded(removeUser, appId);
12065            schedulePackageCleaning(packageName, removeUser, false);
12066            synchronized (mPackages) {
12067                if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) {
12068                    scheduleWritePackageRestrictionsLocked(removeUser);
12069                }
12070            }
12071            return true;
12072        }
12073
12074        if (dataOnly) {
12075            // Delete application data first
12076            if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only");
12077            removePackageDataLI(ps, null, null, outInfo, flags, writeSettings);
12078            return true;
12079        }
12080
12081        boolean ret = false;
12082        if (isSystemApp(ps)) {
12083            if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name);
12084            // When an updated system application is deleted we delete the existing resources as well and
12085            // fall back to existing code in system partition
12086            ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled,
12087                    flags, outInfo, writeSettings);
12088        } else {
12089            if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name);
12090            // Kill application pre-emptively especially for apps on sd.
12091            killApplication(packageName, ps.appId, "uninstall pkg");
12092            ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags,
12093                    allUserHandles, perUserInstalled,
12094                    outInfo, writeSettings);
12095        }
12096
12097        return ret;
12098    }
12099
12100    private final class ClearStorageConnection implements ServiceConnection {
12101        IMediaContainerService mContainerService;
12102
12103        @Override
12104        public void onServiceConnected(ComponentName name, IBinder service) {
12105            synchronized (this) {
12106                mContainerService = IMediaContainerService.Stub.asInterface(service);
12107                notifyAll();
12108            }
12109        }
12110
12111        @Override
12112        public void onServiceDisconnected(ComponentName name) {
12113        }
12114    }
12115
12116    private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) {
12117        final boolean mounted;
12118        if (Environment.isExternalStorageEmulated()) {
12119            mounted = true;
12120        } else {
12121            final String status = Environment.getExternalStorageState();
12122
12123            mounted = status.equals(Environment.MEDIA_MOUNTED)
12124                    || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY);
12125        }
12126
12127        if (!mounted) {
12128            return;
12129        }
12130
12131        final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
12132        int[] users;
12133        if (userId == UserHandle.USER_ALL) {
12134            users = sUserManager.getUserIds();
12135        } else {
12136            users = new int[] { userId };
12137        }
12138        final ClearStorageConnection conn = new ClearStorageConnection();
12139        if (mContext.bindServiceAsUser(
12140                containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) {
12141            try {
12142                for (int curUser : users) {
12143                    long timeout = SystemClock.uptimeMillis() + 5000;
12144                    synchronized (conn) {
12145                        long now = SystemClock.uptimeMillis();
12146                        while (conn.mContainerService == null && now < timeout) {
12147                            try {
12148                                conn.wait(timeout - now);
12149                            } catch (InterruptedException e) {
12150                            }
12151                        }
12152                    }
12153                    if (conn.mContainerService == null) {
12154                        return;
12155                    }
12156
12157                    final UserEnvironment userEnv = new UserEnvironment(curUser);
12158                    clearDirectory(conn.mContainerService,
12159                            userEnv.buildExternalStorageAppCacheDirs(packageName));
12160                    if (allData) {
12161                        clearDirectory(conn.mContainerService,
12162                                userEnv.buildExternalStorageAppDataDirs(packageName));
12163                        clearDirectory(conn.mContainerService,
12164                                userEnv.buildExternalStorageAppMediaDirs(packageName));
12165                    }
12166                }
12167            } finally {
12168                mContext.unbindService(conn);
12169            }
12170        }
12171    }
12172
12173    @Override
12174    public void clearApplicationUserData(final String packageName,
12175            final IPackageDataObserver observer, final int userId) {
12176        mContext.enforceCallingOrSelfPermission(
12177                android.Manifest.permission.CLEAR_APP_USER_DATA, null);
12178        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data");
12179        // Queue up an async operation since the package deletion may take a little while.
12180        mHandler.post(new Runnable() {
12181            public void run() {
12182                mHandler.removeCallbacks(this);
12183                final boolean succeeded;
12184                synchronized (mInstallLock) {
12185                    succeeded = clearApplicationUserDataLI(packageName, userId);
12186                }
12187                clearExternalStorageDataSync(packageName, userId, true);
12188                if (succeeded) {
12189                    // invoke DeviceStorageMonitor's update method to clear any notifications
12190                    DeviceStorageMonitorInternal
12191                            dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
12192                    if (dsm != null) {
12193                        dsm.checkMemory();
12194                    }
12195                }
12196                if(observer != null) {
12197                    try {
12198                        observer.onRemoveCompleted(packageName, succeeded);
12199                    } catch (RemoteException e) {
12200                        Log.i(TAG, "Observer no longer exists.");
12201                    }
12202                } //end if observer
12203            } //end run
12204        });
12205    }
12206
12207    private boolean clearApplicationUserDataLI(String packageName, int userId) {
12208        if (packageName == null) {
12209            Slog.w(TAG, "Attempt to delete null packageName.");
12210            return false;
12211        }
12212
12213        // Try finding details about the requested package
12214        PackageParser.Package pkg;
12215        synchronized (mPackages) {
12216            pkg = mPackages.get(packageName);
12217            if (pkg == null) {
12218                final PackageSetting ps = mSettings.mPackages.get(packageName);
12219                if (ps != null) {
12220                    pkg = ps.pkg;
12221                }
12222            }
12223        }
12224
12225        if (pkg == null) {
12226            Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
12227        }
12228
12229        // Always delete data directories for package, even if we found no other
12230        // record of app. This helps users recover from UID mismatches without
12231        // resorting to a full data wipe.
12232        int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId);
12233        if (retCode < 0) {
12234            Slog.w(TAG, "Couldn't remove cache files for package: " + packageName);
12235            return false;
12236        }
12237
12238        if (pkg == null) {
12239            return false;
12240        }
12241
12242        if (pkg != null && pkg.applicationInfo != null) {
12243            final int appId = pkg.applicationInfo.uid;
12244            removeKeystoreDataIfNeeded(userId, appId);
12245        }
12246
12247        // Create a native library symlink only if we have native libraries
12248        // and if the native libraries are 32 bit libraries. We do not provide
12249        // this symlink for 64 bit libraries.
12250        if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null &&
12251                !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
12252            final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
12253            if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName,
12254                    nativeLibPath, userId) < 0) {
12255                Slog.w(TAG, "Failed linking native library dir");
12256                return false;
12257            }
12258        }
12259
12260        return true;
12261    }
12262
12263    /**
12264     * Remove entries from the keystore daemon. Will only remove it if the
12265     * {@code appId} is valid.
12266     */
12267    private static void removeKeystoreDataIfNeeded(int userId, int appId) {
12268        if (appId < 0) {
12269            return;
12270        }
12271
12272        final KeyStore keyStore = KeyStore.getInstance();
12273        if (keyStore != null) {
12274            if (userId == UserHandle.USER_ALL) {
12275                for (final int individual : sUserManager.getUserIds()) {
12276                    keyStore.clearUid(UserHandle.getUid(individual, appId));
12277                }
12278            } else {
12279                keyStore.clearUid(UserHandle.getUid(userId, appId));
12280            }
12281        } else {
12282            Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId);
12283        }
12284    }
12285
12286    @Override
12287    public void deleteApplicationCacheFiles(final String packageName,
12288            final IPackageDataObserver observer) {
12289        mContext.enforceCallingOrSelfPermission(
12290                android.Manifest.permission.DELETE_CACHE_FILES, null);
12291        // Queue up an async operation since the package deletion may take a little while.
12292        final int userId = UserHandle.getCallingUserId();
12293        mHandler.post(new Runnable() {
12294            public void run() {
12295                mHandler.removeCallbacks(this);
12296                final boolean succeded;
12297                synchronized (mInstallLock) {
12298                    succeded = deleteApplicationCacheFilesLI(packageName, userId);
12299                }
12300                clearExternalStorageDataSync(packageName, userId, false);
12301                if(observer != null) {
12302                    try {
12303                        observer.onRemoveCompleted(packageName, succeded);
12304                    } catch (RemoteException e) {
12305                        Log.i(TAG, "Observer no longer exists.");
12306                    }
12307                } //end if observer
12308            } //end run
12309        });
12310    }
12311
12312    private boolean deleteApplicationCacheFilesLI(String packageName, int userId) {
12313        if (packageName == null) {
12314            Slog.w(TAG, "Attempt to delete null packageName.");
12315            return false;
12316        }
12317        PackageParser.Package p;
12318        synchronized (mPackages) {
12319            p = mPackages.get(packageName);
12320        }
12321        if (p == null) {
12322            Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
12323            return false;
12324        }
12325        final ApplicationInfo applicationInfo = p.applicationInfo;
12326        if (applicationInfo == null) {
12327            Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
12328            return false;
12329        }
12330        int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId);
12331        if (retCode < 0) {
12332            Slog.w(TAG, "Couldn't remove cache files for package: "
12333                       + packageName + " u" + userId);
12334            return false;
12335        }
12336        return true;
12337    }
12338
12339    @Override
12340    public void getPackageSizeInfo(final String packageName, int userHandle,
12341            final IPackageStatsObserver observer) {
12342        mContext.enforceCallingOrSelfPermission(
12343                android.Manifest.permission.GET_PACKAGE_SIZE, null);
12344        if (packageName == null) {
12345            throw new IllegalArgumentException("Attempt to get size of null packageName");
12346        }
12347
12348        PackageStats stats = new PackageStats(packageName, userHandle);
12349
12350        /*
12351         * Queue up an async operation since the package measurement may take a
12352         * little while.
12353         */
12354        Message msg = mHandler.obtainMessage(INIT_COPY);
12355        msg.obj = new MeasureParams(stats, observer);
12356        mHandler.sendMessage(msg);
12357    }
12358
12359    private boolean getPackageSizeInfoLI(String packageName, int userHandle,
12360            PackageStats pStats) {
12361        if (packageName == null) {
12362            Slog.w(TAG, "Attempt to get size of null packageName.");
12363            return false;
12364        }
12365        PackageParser.Package p;
12366        boolean dataOnly = false;
12367        String libDirRoot = null;
12368        String asecPath = null;
12369        PackageSetting ps = null;
12370        synchronized (mPackages) {
12371            p = mPackages.get(packageName);
12372            ps = mSettings.mPackages.get(packageName);
12373            if(p == null) {
12374                dataOnly = true;
12375                if((ps == null) || (ps.pkg == null)) {
12376                    Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
12377                    return false;
12378                }
12379                p = ps.pkg;
12380            }
12381            if (ps != null) {
12382                libDirRoot = ps.legacyNativeLibraryPathString;
12383            }
12384            if (p != null && (isExternal(p) || p.isForwardLocked())) {
12385                String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath());
12386                if (secureContainerId != null) {
12387                    asecPath = PackageHelper.getSdFilesystem(secureContainerId);
12388                }
12389            }
12390        }
12391        String publicSrcDir = null;
12392        if(!dataOnly) {
12393            final ApplicationInfo applicationInfo = p.applicationInfo;
12394            if (applicationInfo == null) {
12395                Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
12396                return false;
12397            }
12398            if (p.isForwardLocked()) {
12399                publicSrcDir = applicationInfo.getBaseResourcePath();
12400            }
12401        }
12402        // TODO: extend to measure size of split APKs
12403        // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree,
12404        // not just the first level.
12405        // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not
12406        // just the primary.
12407        String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps));
12408        int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, p.baseCodePath,
12409                libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats);
12410        if (res < 0) {
12411            return false;
12412        }
12413
12414        // Fix-up for forward-locked applications in ASEC containers.
12415        if (!isExternal(p)) {
12416            pStats.codeSize += pStats.externalCodeSize;
12417            pStats.externalCodeSize = 0L;
12418        }
12419
12420        return true;
12421    }
12422
12423
12424    @Override
12425    public void addPackageToPreferred(String packageName) {
12426        Slog.w(TAG, "addPackageToPreferred: this is now a no-op");
12427    }
12428
12429    @Override
12430    public void removePackageFromPreferred(String packageName) {
12431        Slog.w(TAG, "removePackageFromPreferred: this is now a no-op");
12432    }
12433
12434    @Override
12435    public List<PackageInfo> getPreferredPackages(int flags) {
12436        return new ArrayList<PackageInfo>();
12437    }
12438
12439    private int getUidTargetSdkVersionLockedLPr(int uid) {
12440        Object obj = mSettings.getUserIdLPr(uid);
12441        if (obj instanceof SharedUserSetting) {
12442            final SharedUserSetting sus = (SharedUserSetting) obj;
12443            int vers = Build.VERSION_CODES.CUR_DEVELOPMENT;
12444            final Iterator<PackageSetting> it = sus.packages.iterator();
12445            while (it.hasNext()) {
12446                final PackageSetting ps = it.next();
12447                if (ps.pkg != null) {
12448                    int v = ps.pkg.applicationInfo.targetSdkVersion;
12449                    if (v < vers) vers = v;
12450                }
12451            }
12452            return vers;
12453        } else if (obj instanceof PackageSetting) {
12454            final PackageSetting ps = (PackageSetting) obj;
12455            if (ps.pkg != null) {
12456                return ps.pkg.applicationInfo.targetSdkVersion;
12457            }
12458        }
12459        return Build.VERSION_CODES.CUR_DEVELOPMENT;
12460    }
12461
12462    @Override
12463    public void addPreferredActivity(IntentFilter filter, int match,
12464            ComponentName[] set, ComponentName activity, int userId) {
12465        addPreferredActivityInternal(filter, match, set, activity, true, userId,
12466                "Adding preferred");
12467    }
12468
12469    private void addPreferredActivityInternal(IntentFilter filter, int match,
12470            ComponentName[] set, ComponentName activity, boolean always, int userId,
12471            String opname) {
12472        // writer
12473        int callingUid = Binder.getCallingUid();
12474        enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity");
12475        if (filter.countActions() == 0) {
12476            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
12477            return;
12478        }
12479        synchronized (mPackages) {
12480            if (mContext.checkCallingOrSelfPermission(
12481                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
12482                    != PackageManager.PERMISSION_GRANTED) {
12483                if (getUidTargetSdkVersionLockedLPr(callingUid)
12484                        < Build.VERSION_CODES.FROYO) {
12485                    Slog.w(TAG, "Ignoring addPreferredActivity() from uid "
12486                            + callingUid);
12487                    return;
12488                }
12489                mContext.enforceCallingOrSelfPermission(
12490                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
12491            }
12492
12493            PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId);
12494            Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user "
12495                    + userId + ":");
12496            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
12497            pir.addFilter(new PreferredActivity(filter, match, set, activity, always));
12498            scheduleWritePackageRestrictionsLocked(userId);
12499        }
12500    }
12501
12502    @Override
12503    public void replacePreferredActivity(IntentFilter filter, int match,
12504            ComponentName[] set, ComponentName activity, int userId) {
12505        if (filter.countActions() != 1) {
12506            throw new IllegalArgumentException(
12507                    "replacePreferredActivity expects filter to have only 1 action.");
12508        }
12509        if (filter.countDataAuthorities() != 0
12510                || filter.countDataPaths() != 0
12511                || filter.countDataSchemes() > 1
12512                || filter.countDataTypes() != 0) {
12513            throw new IllegalArgumentException(
12514                    "replacePreferredActivity expects filter to have no data authorities, " +
12515                    "paths, or types; and at most one scheme.");
12516        }
12517
12518        final int callingUid = Binder.getCallingUid();
12519        enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity");
12520        synchronized (mPackages) {
12521            if (mContext.checkCallingOrSelfPermission(
12522                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
12523                    != PackageManager.PERMISSION_GRANTED) {
12524                if (getUidTargetSdkVersionLockedLPr(callingUid)
12525                        < Build.VERSION_CODES.FROYO) {
12526                    Slog.w(TAG, "Ignoring replacePreferredActivity() from uid "
12527                            + Binder.getCallingUid());
12528                    return;
12529                }
12530                mContext.enforceCallingOrSelfPermission(
12531                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
12532            }
12533
12534            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
12535            if (pir != null) {
12536                // Get all of the existing entries that exactly match this filter.
12537                ArrayList<PreferredActivity> existing = pir.findFilters(filter);
12538                if (existing != null && existing.size() == 1) {
12539                    PreferredActivity cur = existing.get(0);
12540                    if (DEBUG_PREFERRED) {
12541                        Slog.i(TAG, "Checking replace of preferred:");
12542                        filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
12543                        if (!cur.mPref.mAlways) {
12544                            Slog.i(TAG, "  -- CUR; not mAlways!");
12545                        } else {
12546                            Slog.i(TAG, "  -- CUR: mMatch=" + cur.mPref.mMatch);
12547                            Slog.i(TAG, "  -- CUR: mSet="
12548                                    + Arrays.toString(cur.mPref.mSetComponents));
12549                            Slog.i(TAG, "  -- CUR: mComponent=" + cur.mPref.mShortComponent);
12550                            Slog.i(TAG, "  -- NEW: mMatch="
12551                                    + (match&IntentFilter.MATCH_CATEGORY_MASK));
12552                            Slog.i(TAG, "  -- CUR: mSet=" + Arrays.toString(set));
12553                            Slog.i(TAG, "  -- CUR: mComponent=" + activity.flattenToShortString());
12554                        }
12555                    }
12556                    if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity)
12557                            && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK)
12558                            && cur.mPref.sameSet(set)) {
12559                        // Setting the preferred activity to what it happens to be already
12560                        if (DEBUG_PREFERRED) {
12561                            Slog.i(TAG, "Replacing with same preferred activity "
12562                                    + cur.mPref.mShortComponent + " for user "
12563                                    + userId + ":");
12564                            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
12565                        }
12566                        return;
12567                    }
12568                }
12569
12570                if (existing != null) {
12571                    if (DEBUG_PREFERRED) {
12572                        Slog.i(TAG, existing.size() + " existing preferred matches for:");
12573                        filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
12574                    }
12575                    for (int i = 0; i < existing.size(); i++) {
12576                        PreferredActivity pa = existing.get(i);
12577                        if (DEBUG_PREFERRED) {
12578                            Slog.i(TAG, "Removing existing preferred activity "
12579                                    + pa.mPref.mComponent + ":");
12580                            pa.dump(new LogPrinter(Log.INFO, TAG), "  ");
12581                        }
12582                        pir.removeFilter(pa);
12583                    }
12584                }
12585            }
12586            addPreferredActivityInternal(filter, match, set, activity, true, userId,
12587                    "Replacing preferred");
12588        }
12589    }
12590
12591    @Override
12592    public void clearPackagePreferredActivities(String packageName) {
12593        final int uid = Binder.getCallingUid();
12594        // writer
12595        synchronized (mPackages) {
12596            PackageParser.Package pkg = mPackages.get(packageName);
12597            if (pkg == null || pkg.applicationInfo.uid != uid) {
12598                if (mContext.checkCallingOrSelfPermission(
12599                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
12600                        != PackageManager.PERMISSION_GRANTED) {
12601                    if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid())
12602                            < Build.VERSION_CODES.FROYO) {
12603                        Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid "
12604                                + Binder.getCallingUid());
12605                        return;
12606                    }
12607                    mContext.enforceCallingOrSelfPermission(
12608                            android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
12609                }
12610            }
12611
12612            int user = UserHandle.getCallingUserId();
12613            if (clearPackagePreferredActivitiesLPw(packageName, user)) {
12614                scheduleWritePackageRestrictionsLocked(user);
12615            }
12616        }
12617    }
12618
12619    /** This method takes a specific user id as well as UserHandle.USER_ALL. */
12620    boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) {
12621        ArrayList<PreferredActivity> removed = null;
12622        boolean changed = false;
12623        for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
12624            final int thisUserId = mSettings.mPreferredActivities.keyAt(i);
12625            PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
12626            if (userId != UserHandle.USER_ALL && userId != thisUserId) {
12627                continue;
12628            }
12629            Iterator<PreferredActivity> it = pir.filterIterator();
12630            while (it.hasNext()) {
12631                PreferredActivity pa = it.next();
12632                // Mark entry for removal only if it matches the package name
12633                // and the entry is of type "always".
12634                if (packageName == null ||
12635                        (pa.mPref.mComponent.getPackageName().equals(packageName)
12636                                && pa.mPref.mAlways)) {
12637                    if (removed == null) {
12638                        removed = new ArrayList<PreferredActivity>();
12639                    }
12640                    removed.add(pa);
12641                }
12642            }
12643            if (removed != null) {
12644                for (int j=0; j<removed.size(); j++) {
12645                    PreferredActivity pa = removed.get(j);
12646                    pir.removeFilter(pa);
12647                }
12648                changed = true;
12649            }
12650        }
12651        return changed;
12652    }
12653
12654    /** This method takes a specific user id as well as UserHandle.USER_ALL. */
12655    void clearIntentFilterVerificationsLPw(String packageName, int userId) {
12656        if (userId == UserHandle.USER_ALL) {
12657            mSettings.removeIntentFilterVerificationLPw(packageName, sUserManager.getUserIds());
12658            for (int oneUserId : sUserManager.getUserIds()) {
12659                scheduleWritePackageRestrictionsLocked(oneUserId);
12660            }
12661        } else {
12662            mSettings.removeIntentFilterVerificationLPw(packageName, userId);
12663            scheduleWritePackageRestrictionsLocked(userId);
12664        }
12665    }
12666
12667    @Override
12668    public void resetPreferredActivities(int userId) {
12669        /* TODO: Actually use userId. Why is it being passed in? */
12670        mContext.enforceCallingOrSelfPermission(
12671                android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
12672        // writer
12673        synchronized (mPackages) {
12674            int user = UserHandle.getCallingUserId();
12675            clearPackagePreferredActivitiesLPw(null, user);
12676            mSettings.readDefaultPreferredAppsLPw(this, user);
12677            scheduleWritePackageRestrictionsLocked(user);
12678        }
12679    }
12680
12681    @Override
12682    public int getPreferredActivities(List<IntentFilter> outFilters,
12683            List<ComponentName> outActivities, String packageName) {
12684
12685        int num = 0;
12686        final int userId = UserHandle.getCallingUserId();
12687        // reader
12688        synchronized (mPackages) {
12689            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
12690            if (pir != null) {
12691                final Iterator<PreferredActivity> it = pir.filterIterator();
12692                while (it.hasNext()) {
12693                    final PreferredActivity pa = it.next();
12694                    if (packageName == null
12695                            || (pa.mPref.mComponent.getPackageName().equals(packageName)
12696                                    && pa.mPref.mAlways)) {
12697                        if (outFilters != null) {
12698                            outFilters.add(new IntentFilter(pa));
12699                        }
12700                        if (outActivities != null) {
12701                            outActivities.add(pa.mPref.mComponent);
12702                        }
12703                    }
12704                }
12705            }
12706        }
12707
12708        return num;
12709    }
12710
12711    @Override
12712    public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity,
12713            int userId) {
12714        int callingUid = Binder.getCallingUid();
12715        if (callingUid != Process.SYSTEM_UID) {
12716            throw new SecurityException(
12717                    "addPersistentPreferredActivity can only be run by the system");
12718        }
12719        if (filter.countActions() == 0) {
12720            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
12721            return;
12722        }
12723        synchronized (mPackages) {
12724            Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId +
12725                    " :");
12726            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
12727            mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter(
12728                    new PersistentPreferredActivity(filter, activity));
12729            scheduleWritePackageRestrictionsLocked(userId);
12730        }
12731    }
12732
12733    @Override
12734    public void clearPackagePersistentPreferredActivities(String packageName, int userId) {
12735        int callingUid = Binder.getCallingUid();
12736        if (callingUid != Process.SYSTEM_UID) {
12737            throw new SecurityException(
12738                    "clearPackagePersistentPreferredActivities can only be run by the system");
12739        }
12740        ArrayList<PersistentPreferredActivity> removed = null;
12741        boolean changed = false;
12742        synchronized (mPackages) {
12743            for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) {
12744                final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i);
12745                PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
12746                        .valueAt(i);
12747                if (userId != thisUserId) {
12748                    continue;
12749                }
12750                Iterator<PersistentPreferredActivity> it = ppir.filterIterator();
12751                while (it.hasNext()) {
12752                    PersistentPreferredActivity ppa = it.next();
12753                    // Mark entry for removal only if it matches the package name.
12754                    if (ppa.mComponent.getPackageName().equals(packageName)) {
12755                        if (removed == null) {
12756                            removed = new ArrayList<PersistentPreferredActivity>();
12757                        }
12758                        removed.add(ppa);
12759                    }
12760                }
12761                if (removed != null) {
12762                    for (int j=0; j<removed.size(); j++) {
12763                        PersistentPreferredActivity ppa = removed.get(j);
12764                        ppir.removeFilter(ppa);
12765                    }
12766                    changed = true;
12767                }
12768            }
12769
12770            if (changed) {
12771                scheduleWritePackageRestrictionsLocked(userId);
12772            }
12773        }
12774    }
12775
12776    /**
12777     * Non-Binder method, support for the backup/restore mechanism: write the
12778     * full set of preferred activities in its canonical XML format.  Returns true
12779     * on success; false otherwise.
12780     */
12781    @Override
12782    public byte[] getPreferredActivityBackup(int userId) {
12783        if (Binder.getCallingUid() != Process.SYSTEM_UID) {
12784            throw new SecurityException("Only the system may call getPreferredActivityBackup()");
12785        }
12786
12787        ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
12788        try {
12789            final XmlSerializer serializer = new FastXmlSerializer();
12790            serializer.setOutput(dataStream, "utf-8");
12791            serializer.startDocument(null, true);
12792            serializer.startTag(null, TAG_PREFERRED_BACKUP);
12793
12794            synchronized (mPackages) {
12795                mSettings.writePreferredActivitiesLPr(serializer, userId, true);
12796            }
12797
12798            serializer.endTag(null, TAG_PREFERRED_BACKUP);
12799            serializer.endDocument();
12800            serializer.flush();
12801        } catch (Exception e) {
12802            if (DEBUG_BACKUP) {
12803                Slog.e(TAG, "Unable to write preferred activities for backup", e);
12804            }
12805            return null;
12806        }
12807
12808        return dataStream.toByteArray();
12809    }
12810
12811    @Override
12812    public void restorePreferredActivities(byte[] backup, int userId) {
12813        if (Binder.getCallingUid() != Process.SYSTEM_UID) {
12814            throw new SecurityException("Only the system may call restorePreferredActivities()");
12815        }
12816
12817        try {
12818            final XmlPullParser parser = Xml.newPullParser();
12819            parser.setInput(new ByteArrayInputStream(backup), null);
12820
12821            int type;
12822            while ((type = parser.next()) != XmlPullParser.START_TAG
12823                    && type != XmlPullParser.END_DOCUMENT) {
12824            }
12825            if (type != XmlPullParser.START_TAG) {
12826                // oops didn't find a start tag?!
12827                if (DEBUG_BACKUP) {
12828                    Slog.e(TAG, "Didn't find start tag during restore");
12829                }
12830                return;
12831            }
12832
12833            // this is supposed to be TAG_PREFERRED_BACKUP
12834            if (!TAG_PREFERRED_BACKUP.equals(parser.getName())) {
12835                if (DEBUG_BACKUP) {
12836                    Slog.e(TAG, "Found unexpected tag " + parser.getName());
12837                }
12838                return;
12839            }
12840
12841            // skip interfering stuff, then we're aligned with the backing implementation
12842            while ((type = parser.next()) == XmlPullParser.TEXT) { }
12843            synchronized (mPackages) {
12844                mSettings.readPreferredActivitiesLPw(parser, userId);
12845            }
12846        } catch (Exception e) {
12847            if (DEBUG_BACKUP) {
12848                Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage());
12849            }
12850        }
12851    }
12852
12853    @Override
12854    public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage,
12855            int sourceUserId, int targetUserId, int flags) {
12856        mContext.enforceCallingOrSelfPermission(
12857                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
12858        int callingUid = Binder.getCallingUid();
12859        enforceOwnerRights(ownerPackage, callingUid);
12860        enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId);
12861        if (intentFilter.countActions() == 0) {
12862            Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions");
12863            return;
12864        }
12865        synchronized (mPackages) {
12866            CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter,
12867                    ownerPackage, targetUserId, flags);
12868            CrossProfileIntentResolver resolver =
12869                    mSettings.editCrossProfileIntentResolverLPw(sourceUserId);
12870            ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter);
12871            // We have all those whose filter is equal. Now checking if the rest is equal as well.
12872            if (existing != null) {
12873                int size = existing.size();
12874                for (int i = 0; i < size; i++) {
12875                    if (newFilter.equalsIgnoreFilter(existing.get(i))) {
12876                        return;
12877                    }
12878                }
12879            }
12880            resolver.addFilter(newFilter);
12881            scheduleWritePackageRestrictionsLocked(sourceUserId);
12882        }
12883    }
12884
12885    @Override
12886    public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) {
12887        mContext.enforceCallingOrSelfPermission(
12888                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
12889        int callingUid = Binder.getCallingUid();
12890        enforceOwnerRights(ownerPackage, callingUid);
12891        enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId);
12892        synchronized (mPackages) {
12893            CrossProfileIntentResolver resolver =
12894                    mSettings.editCrossProfileIntentResolverLPw(sourceUserId);
12895            ArraySet<CrossProfileIntentFilter> set =
12896                    new ArraySet<CrossProfileIntentFilter>(resolver.filterSet());
12897            for (CrossProfileIntentFilter filter : set) {
12898                if (filter.getOwnerPackage().equals(ownerPackage)) {
12899                    resolver.removeFilter(filter);
12900                }
12901            }
12902            scheduleWritePackageRestrictionsLocked(sourceUserId);
12903        }
12904    }
12905
12906    // Enforcing that callingUid is owning pkg on userId
12907    private void enforceOwnerRights(String pkg, int callingUid) {
12908        // The system owns everything.
12909        if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) {
12910            return;
12911        }
12912        int callingUserId = UserHandle.getUserId(callingUid);
12913        PackageInfo pi = getPackageInfo(pkg, 0, callingUserId);
12914        if (pi == null) {
12915            throw new IllegalArgumentException("Unknown package " + pkg + " on user "
12916                    + callingUserId);
12917        }
12918        if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) {
12919            throw new SecurityException("Calling uid " + callingUid
12920                    + " does not own package " + pkg);
12921        }
12922    }
12923
12924    @Override
12925    public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) {
12926        Intent intent = new Intent(Intent.ACTION_MAIN);
12927        intent.addCategory(Intent.CATEGORY_HOME);
12928
12929        final int callingUserId = UserHandle.getCallingUserId();
12930        List<ResolveInfo> list = queryIntentActivities(intent, null,
12931                PackageManager.GET_META_DATA, callingUserId);
12932        ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0,
12933                true, false, false, callingUserId);
12934
12935        allHomeCandidates.clear();
12936        if (list != null) {
12937            for (ResolveInfo ri : list) {
12938                allHomeCandidates.add(ri);
12939            }
12940        }
12941        return (preferred == null || preferred.activityInfo == null)
12942                ? null
12943                : new ComponentName(preferred.activityInfo.packageName,
12944                        preferred.activityInfo.name);
12945    }
12946
12947    @Override
12948    public void setApplicationEnabledSetting(String appPackageName,
12949            int newState, int flags, int userId, String callingPackage) {
12950        if (!sUserManager.exists(userId)) return;
12951        if (callingPackage == null) {
12952            callingPackage = Integer.toString(Binder.getCallingUid());
12953        }
12954        setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage);
12955    }
12956
12957    @Override
12958    public void setComponentEnabledSetting(ComponentName componentName,
12959            int newState, int flags, int userId) {
12960        if (!sUserManager.exists(userId)) return;
12961        setEnabledSetting(componentName.getPackageName(),
12962                componentName.getClassName(), newState, flags, userId, null);
12963    }
12964
12965    private void setEnabledSetting(final String packageName, String className, int newState,
12966            final int flags, int userId, String callingPackage) {
12967        if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT
12968              || newState == COMPONENT_ENABLED_STATE_ENABLED
12969              || newState == COMPONENT_ENABLED_STATE_DISABLED
12970              || newState == COMPONENT_ENABLED_STATE_DISABLED_USER
12971              || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) {
12972            throw new IllegalArgumentException("Invalid new component state: "
12973                    + newState);
12974        }
12975        PackageSetting pkgSetting;
12976        final int uid = Binder.getCallingUid();
12977        final int permission = mContext.checkCallingOrSelfPermission(
12978                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
12979        enforceCrossUserPermission(uid, userId, false, true, "set enabled");
12980        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
12981        boolean sendNow = false;
12982        boolean isApp = (className == null);
12983        String componentName = isApp ? packageName : className;
12984        int packageUid = -1;
12985        ArrayList<String> components;
12986
12987        // writer
12988        synchronized (mPackages) {
12989            pkgSetting = mSettings.mPackages.get(packageName);
12990            if (pkgSetting == null) {
12991                if (className == null) {
12992                    throw new IllegalArgumentException(
12993                            "Unknown package: " + packageName);
12994                }
12995                throw new IllegalArgumentException(
12996                        "Unknown component: " + packageName
12997                        + "/" + className);
12998            }
12999            // Allow root and verify that userId is not being specified by a different user
13000            if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) {
13001                throw new SecurityException(
13002                        "Permission Denial: attempt to change component state from pid="
13003                        + Binder.getCallingPid()
13004                        + ", uid=" + uid + ", package uid=" + pkgSetting.appId);
13005            }
13006            if (className == null) {
13007                // We're dealing with an application/package level state change
13008                if (pkgSetting.getEnabled(userId) == newState) {
13009                    // Nothing to do
13010                    return;
13011                }
13012                if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT
13013                    || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) {
13014                    // Don't care about who enables an app.
13015                    callingPackage = null;
13016                }
13017                pkgSetting.setEnabled(newState, userId, callingPackage);
13018                // pkgSetting.pkg.mSetEnabled = newState;
13019            } else {
13020                // We're dealing with a component level state change
13021                // First, verify that this is a valid class name.
13022                PackageParser.Package pkg = pkgSetting.pkg;
13023                if (pkg == null || !pkg.hasComponentClassName(className)) {
13024                    if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) {
13025                        throw new IllegalArgumentException("Component class " + className
13026                                + " does not exist in " + packageName);
13027                    } else {
13028                        Slog.w(TAG, "Failed setComponentEnabledSetting: component class "
13029                                + className + " does not exist in " + packageName);
13030                    }
13031                }
13032                switch (newState) {
13033                case COMPONENT_ENABLED_STATE_ENABLED:
13034                    if (!pkgSetting.enableComponentLPw(className, userId)) {
13035                        return;
13036                    }
13037                    break;
13038                case COMPONENT_ENABLED_STATE_DISABLED:
13039                    if (!pkgSetting.disableComponentLPw(className, userId)) {
13040                        return;
13041                    }
13042                    break;
13043                case COMPONENT_ENABLED_STATE_DEFAULT:
13044                    if (!pkgSetting.restoreComponentLPw(className, userId)) {
13045                        return;
13046                    }
13047                    break;
13048                default:
13049                    Slog.e(TAG, "Invalid new component state: " + newState);
13050                    return;
13051                }
13052            }
13053            scheduleWritePackageRestrictionsLocked(userId);
13054            components = mPendingBroadcasts.get(userId, packageName);
13055            final boolean newPackage = components == null;
13056            if (newPackage) {
13057                components = new ArrayList<String>();
13058            }
13059            if (!components.contains(componentName)) {
13060                components.add(componentName);
13061            }
13062            if ((flags&PackageManager.DONT_KILL_APP) == 0) {
13063                sendNow = true;
13064                // Purge entry from pending broadcast list if another one exists already
13065                // since we are sending one right away.
13066                mPendingBroadcasts.remove(userId, packageName);
13067            } else {
13068                if (newPackage) {
13069                    mPendingBroadcasts.put(userId, packageName, components);
13070                }
13071                if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) {
13072                    // Schedule a message
13073                    mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY);
13074                }
13075            }
13076        }
13077
13078        long callingId = Binder.clearCallingIdentity();
13079        try {
13080            if (sendNow) {
13081                packageUid = UserHandle.getUid(userId, pkgSetting.appId);
13082                sendPackageChangedBroadcast(packageName,
13083                        (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid);
13084            }
13085        } finally {
13086            Binder.restoreCallingIdentity(callingId);
13087        }
13088    }
13089
13090    private void sendPackageChangedBroadcast(String packageName,
13091            boolean killFlag, ArrayList<String> componentNames, int packageUid) {
13092        if (DEBUG_INSTALL)
13093            Log.v(TAG, "Sending package changed: package=" + packageName + " components="
13094                    + componentNames);
13095        Bundle extras = new Bundle(4);
13096        extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0));
13097        String nameList[] = new String[componentNames.size()];
13098        componentNames.toArray(nameList);
13099        extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList);
13100        extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag);
13101        extras.putInt(Intent.EXTRA_UID, packageUid);
13102        sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED,  packageName, extras, null, null,
13103                new int[] {UserHandle.getUserId(packageUid)});
13104    }
13105
13106    @Override
13107    public void setPackageStoppedState(String packageName, boolean stopped, int userId) {
13108        if (!sUserManager.exists(userId)) return;
13109        final int uid = Binder.getCallingUid();
13110        final int permission = mContext.checkCallingOrSelfPermission(
13111                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
13112        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
13113        enforceCrossUserPermission(uid, userId, true, true, "stop package");
13114        // writer
13115        synchronized (mPackages) {
13116            if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission,
13117                    uid, userId)) {
13118                scheduleWritePackageRestrictionsLocked(userId);
13119            }
13120        }
13121    }
13122
13123    @Override
13124    public String getInstallerPackageName(String packageName) {
13125        // reader
13126        synchronized (mPackages) {
13127            return mSettings.getInstallerPackageNameLPr(packageName);
13128        }
13129    }
13130
13131    @Override
13132    public int getApplicationEnabledSetting(String packageName, int userId) {
13133        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
13134        int uid = Binder.getCallingUid();
13135        enforceCrossUserPermission(uid, userId, false, false, "get enabled");
13136        // reader
13137        synchronized (mPackages) {
13138            return mSettings.getApplicationEnabledSettingLPr(packageName, userId);
13139        }
13140    }
13141
13142    @Override
13143    public int getComponentEnabledSetting(ComponentName componentName, int userId) {
13144        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
13145        int uid = Binder.getCallingUid();
13146        enforceCrossUserPermission(uid, userId, false, false, "get component enabled");
13147        // reader
13148        synchronized (mPackages) {
13149            return mSettings.getComponentEnabledSettingLPr(componentName, userId);
13150        }
13151    }
13152
13153    @Override
13154    public void enterSafeMode() {
13155        enforceSystemOrRoot("Only the system can request entering safe mode");
13156
13157        if (!mSystemReady) {
13158            mSafeMode = true;
13159        }
13160    }
13161
13162    @Override
13163    public void systemReady() {
13164        mSystemReady = true;
13165
13166        // Read the compatibilty setting when the system is ready.
13167        boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt(
13168                mContext.getContentResolver(),
13169                android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1;
13170        PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled);
13171        if (DEBUG_SETTINGS) {
13172            Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled);
13173        }
13174
13175        synchronized (mPackages) {
13176            // Verify that all of the preferred activity components actually
13177            // exist.  It is possible for applications to be updated and at
13178            // that point remove a previously declared activity component that
13179            // had been set as a preferred activity.  We try to clean this up
13180            // the next time we encounter that preferred activity, but it is
13181            // possible for the user flow to never be able to return to that
13182            // situation so here we do a sanity check to make sure we haven't
13183            // left any junk around.
13184            ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>();
13185            for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
13186                PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
13187                removed.clear();
13188                for (PreferredActivity pa : pir.filterSet()) {
13189                    if (mActivities.mActivities.get(pa.mPref.mComponent) == null) {
13190                        removed.add(pa);
13191                    }
13192                }
13193                if (removed.size() > 0) {
13194                    for (int r=0; r<removed.size(); r++) {
13195                        PreferredActivity pa = removed.get(r);
13196                        Slog.w(TAG, "Removing dangling preferred activity: "
13197                                + pa.mPref.mComponent);
13198                        pir.removeFilter(pa);
13199                    }
13200                    mSettings.writePackageRestrictionsLPr(
13201                            mSettings.mPreferredActivities.keyAt(i));
13202                }
13203            }
13204        }
13205        sUserManager.systemReady();
13206
13207        // Kick off any messages waiting for system ready
13208        if (mPostSystemReadyMessages != null) {
13209            for (Message msg : mPostSystemReadyMessages) {
13210                msg.sendToTarget();
13211            }
13212            mPostSystemReadyMessages = null;
13213        }
13214
13215        // Watch for external volumes that come and go over time
13216        final StorageManager storage = mContext.getSystemService(StorageManager.class);
13217        storage.registerListener(mStorageListener);
13218
13219        mInstallerService.systemReady();
13220    }
13221
13222    @Override
13223    public boolean isSafeMode() {
13224        return mSafeMode;
13225    }
13226
13227    @Override
13228    public boolean hasSystemUidErrors() {
13229        return mHasSystemUidErrors;
13230    }
13231
13232    static String arrayToString(int[] array) {
13233        StringBuffer buf = new StringBuffer(128);
13234        buf.append('[');
13235        if (array != null) {
13236            for (int i=0; i<array.length; i++) {
13237                if (i > 0) buf.append(", ");
13238                buf.append(array[i]);
13239            }
13240        }
13241        buf.append(']');
13242        return buf.toString();
13243    }
13244
13245    static class DumpState {
13246        public static final int DUMP_LIBS = 1 << 0;
13247        public static final int DUMP_FEATURES = 1 << 1;
13248        public static final int DUMP_RESOLVERS = 1 << 2;
13249        public static final int DUMP_PERMISSIONS = 1 << 3;
13250        public static final int DUMP_PACKAGES = 1 << 4;
13251        public static final int DUMP_SHARED_USERS = 1 << 5;
13252        public static final int DUMP_MESSAGES = 1 << 6;
13253        public static final int DUMP_PROVIDERS = 1 << 7;
13254        public static final int DUMP_VERIFIERS = 1 << 8;
13255        public static final int DUMP_PREFERRED = 1 << 9;
13256        public static final int DUMP_PREFERRED_XML = 1 << 10;
13257        public static final int DUMP_KEYSETS = 1 << 11;
13258        public static final int DUMP_VERSION = 1 << 12;
13259        public static final int DUMP_INSTALLS = 1 << 13;
13260        public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14;
13261        public static final int DUMP_DOMAIN_PREFERRED = 1 << 15;
13262
13263        public static final int OPTION_SHOW_FILTERS = 1 << 0;
13264
13265        private int mTypes;
13266
13267        private int mOptions;
13268
13269        private boolean mTitlePrinted;
13270
13271        private SharedUserSetting mSharedUser;
13272
13273        public boolean isDumping(int type) {
13274            if (mTypes == 0 && type != DUMP_PREFERRED_XML) {
13275                return true;
13276            }
13277
13278            return (mTypes & type) != 0;
13279        }
13280
13281        public void setDump(int type) {
13282            mTypes |= type;
13283        }
13284
13285        public boolean isOptionEnabled(int option) {
13286            return (mOptions & option) != 0;
13287        }
13288
13289        public void setOptionEnabled(int option) {
13290            mOptions |= option;
13291        }
13292
13293        public boolean onTitlePrinted() {
13294            final boolean printed = mTitlePrinted;
13295            mTitlePrinted = true;
13296            return printed;
13297        }
13298
13299        public boolean getTitlePrinted() {
13300            return mTitlePrinted;
13301        }
13302
13303        public void setTitlePrinted(boolean enabled) {
13304            mTitlePrinted = enabled;
13305        }
13306
13307        public SharedUserSetting getSharedUser() {
13308            return mSharedUser;
13309        }
13310
13311        public void setSharedUser(SharedUserSetting user) {
13312            mSharedUser = user;
13313        }
13314    }
13315
13316    @Override
13317    protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
13318        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
13319                != PackageManager.PERMISSION_GRANTED) {
13320            pw.println("Permission Denial: can't dump ActivityManager from from pid="
13321                    + Binder.getCallingPid()
13322                    + ", uid=" + Binder.getCallingUid()
13323                    + " without permission "
13324                    + android.Manifest.permission.DUMP);
13325            return;
13326        }
13327
13328        DumpState dumpState = new DumpState();
13329        boolean fullPreferred = false;
13330        boolean checkin = false;
13331
13332        String packageName = null;
13333
13334        int opti = 0;
13335        while (opti < args.length) {
13336            String opt = args[opti];
13337            if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') {
13338                break;
13339            }
13340            opti++;
13341
13342            if ("-a".equals(opt)) {
13343                // Right now we only know how to print all.
13344            } else if ("-h".equals(opt)) {
13345                pw.println("Package manager dump options:");
13346                pw.println("  [-h] [-f] [--checkin] [cmd] ...");
13347                pw.println("    --checkin: dump for a checkin");
13348                pw.println("    -f: print details of intent filters");
13349                pw.println("    -h: print this help");
13350                pw.println("  cmd may be one of:");
13351                pw.println("    l[ibraries]: list known shared libraries");
13352                pw.println("    f[ibraries]: list device features");
13353                pw.println("    k[eysets]: print known keysets");
13354                pw.println("    r[esolvers]: dump intent resolvers");
13355                pw.println("    perm[issions]: dump permissions");
13356                pw.println("    pref[erred]: print preferred package settings");
13357                pw.println("    preferred-xml [--full]: print preferred package settings as xml");
13358                pw.println("    prov[iders]: dump content providers");
13359                pw.println("    p[ackages]: dump installed packages");
13360                pw.println("    s[hared-users]: dump shared user IDs");
13361                pw.println("    m[essages]: print collected runtime messages");
13362                pw.println("    v[erifiers]: print package verifier info");
13363                pw.println("    version: print database version info");
13364                pw.println("    write: write current settings now");
13365                pw.println("    <package.name>: info about given package");
13366                pw.println("    installs: details about install sessions");
13367                pw.println("    d[omain-preferred-apps]: print domains preferred apps");
13368                pw.println("    i[ntent-filter-verifiers]|ifv: print intent filter verifier info");
13369                return;
13370            } else if ("--checkin".equals(opt)) {
13371                checkin = true;
13372            } else if ("-f".equals(opt)) {
13373                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
13374            } else {
13375                pw.println("Unknown argument: " + opt + "; use -h for help");
13376            }
13377        }
13378
13379        // Is the caller requesting to dump a particular piece of data?
13380        if (opti < args.length) {
13381            String cmd = args[opti];
13382            opti++;
13383            // Is this a package name?
13384            if ("android".equals(cmd) || cmd.contains(".")) {
13385                packageName = cmd;
13386                // When dumping a single package, we always dump all of its
13387                // filter information since the amount of data will be reasonable.
13388                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
13389            } else if ("l".equals(cmd) || "libraries".equals(cmd)) {
13390                dumpState.setDump(DumpState.DUMP_LIBS);
13391            } else if ("f".equals(cmd) || "features".equals(cmd)) {
13392                dumpState.setDump(DumpState.DUMP_FEATURES);
13393            } else if ("r".equals(cmd) || "resolvers".equals(cmd)) {
13394                dumpState.setDump(DumpState.DUMP_RESOLVERS);
13395            } else if ("perm".equals(cmd) || "permissions".equals(cmd)) {
13396                dumpState.setDump(DumpState.DUMP_PERMISSIONS);
13397            } else if ("pref".equals(cmd) || "preferred".equals(cmd)) {
13398                dumpState.setDump(DumpState.DUMP_PREFERRED);
13399            } else if ("preferred-xml".equals(cmd)) {
13400                dumpState.setDump(DumpState.DUMP_PREFERRED_XML);
13401                if (opti < args.length && "--full".equals(args[opti])) {
13402                    fullPreferred = true;
13403                    opti++;
13404                }
13405            } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) {
13406                dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED);
13407            } else if ("p".equals(cmd) || "packages".equals(cmd)) {
13408                dumpState.setDump(DumpState.DUMP_PACKAGES);
13409            } else if ("s".equals(cmd) || "shared-users".equals(cmd)) {
13410                dumpState.setDump(DumpState.DUMP_SHARED_USERS);
13411            } else if ("prov".equals(cmd) || "providers".equals(cmd)) {
13412                dumpState.setDump(DumpState.DUMP_PROVIDERS);
13413            } else if ("m".equals(cmd) || "messages".equals(cmd)) {
13414                dumpState.setDump(DumpState.DUMP_MESSAGES);
13415            } else if ("v".equals(cmd) || "verifiers".equals(cmd)) {
13416                dumpState.setDump(DumpState.DUMP_VERIFIERS);
13417            } else if ("i".equals(cmd) || "ifv".equals(cmd)
13418                    || "intent-filter-verifiers".equals(cmd)) {
13419                dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS);
13420            } else if ("version".equals(cmd)) {
13421                dumpState.setDump(DumpState.DUMP_VERSION);
13422            } else if ("k".equals(cmd) || "keysets".equals(cmd)) {
13423                dumpState.setDump(DumpState.DUMP_KEYSETS);
13424            } else if ("installs".equals(cmd)) {
13425                dumpState.setDump(DumpState.DUMP_INSTALLS);
13426            } else if ("write".equals(cmd)) {
13427                synchronized (mPackages) {
13428                    mSettings.writeLPr();
13429                    pw.println("Settings written.");
13430                    return;
13431                }
13432            }
13433        }
13434
13435        if (checkin) {
13436            pw.println("vers,1");
13437        }
13438
13439        // reader
13440        synchronized (mPackages) {
13441            if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) {
13442                if (!checkin) {
13443                    if (dumpState.onTitlePrinted())
13444                        pw.println();
13445                    pw.println("Database versions:");
13446                    pw.print("  SDK Version:");
13447                    pw.print(" internal=");
13448                    pw.print(mSettings.mInternalSdkPlatform);
13449                    pw.print(" external=");
13450                    pw.println(mSettings.mExternalSdkPlatform);
13451                    pw.print("  DB Version:");
13452                    pw.print(" internal=");
13453                    pw.print(mSettings.mInternalDatabaseVersion);
13454                    pw.print(" external=");
13455                    pw.println(mSettings.mExternalDatabaseVersion);
13456                }
13457            }
13458
13459            if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) {
13460                if (!checkin) {
13461                    if (dumpState.onTitlePrinted())
13462                        pw.println();
13463                    pw.println("Verifiers:");
13464                    pw.print("  Required: ");
13465                    pw.print(mRequiredVerifierPackage);
13466                    pw.print(" (uid=");
13467                    pw.print(getPackageUid(mRequiredVerifierPackage, 0));
13468                    pw.println(")");
13469                } else if (mRequiredVerifierPackage != null) {
13470                    pw.print("vrfy,"); pw.print(mRequiredVerifierPackage);
13471                    pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0));
13472                }
13473            }
13474
13475            if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) &&
13476                    packageName == null) {
13477                if (mIntentFilterVerifierComponent != null) {
13478                    String verifierPackageName = mIntentFilterVerifierComponent.getPackageName();
13479                    if (!checkin) {
13480                        if (dumpState.onTitlePrinted())
13481                            pw.println();
13482                        pw.println("Intent Filter Verifier:");
13483                        pw.print("  Using: ");
13484                        pw.print(verifierPackageName);
13485                        pw.print(" (uid=");
13486                        pw.print(getPackageUid(verifierPackageName, 0));
13487                        pw.println(")");
13488                    } else if (verifierPackageName != null) {
13489                        pw.print("ifv,"); pw.print(verifierPackageName);
13490                        pw.print(","); pw.println(getPackageUid(verifierPackageName, 0));
13491                    }
13492                } else {
13493                    pw.println();
13494                    pw.println("No Intent Filter Verifier available!");
13495                }
13496            }
13497
13498            if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) {
13499                boolean printedHeader = false;
13500                final Iterator<String> it = mSharedLibraries.keySet().iterator();
13501                while (it.hasNext()) {
13502                    String name = it.next();
13503                    SharedLibraryEntry ent = mSharedLibraries.get(name);
13504                    if (!checkin) {
13505                        if (!printedHeader) {
13506                            if (dumpState.onTitlePrinted())
13507                                pw.println();
13508                            pw.println("Libraries:");
13509                            printedHeader = true;
13510                        }
13511                        pw.print("  ");
13512                    } else {
13513                        pw.print("lib,");
13514                    }
13515                    pw.print(name);
13516                    if (!checkin) {
13517                        pw.print(" -> ");
13518                    }
13519                    if (ent.path != null) {
13520                        if (!checkin) {
13521                            pw.print("(jar) ");
13522                            pw.print(ent.path);
13523                        } else {
13524                            pw.print(",jar,");
13525                            pw.print(ent.path);
13526                        }
13527                    } else {
13528                        if (!checkin) {
13529                            pw.print("(apk) ");
13530                            pw.print(ent.apk);
13531                        } else {
13532                            pw.print(",apk,");
13533                            pw.print(ent.apk);
13534                        }
13535                    }
13536                    pw.println();
13537                }
13538            }
13539
13540            if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) {
13541                if (dumpState.onTitlePrinted())
13542                    pw.println();
13543                if (!checkin) {
13544                    pw.println("Features:");
13545                }
13546                Iterator<String> it = mAvailableFeatures.keySet().iterator();
13547                while (it.hasNext()) {
13548                    String name = it.next();
13549                    if (!checkin) {
13550                        pw.print("  ");
13551                    } else {
13552                        pw.print("feat,");
13553                    }
13554                    pw.println(name);
13555                }
13556            }
13557
13558            if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) {
13559                if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:"
13560                        : "Activity Resolver Table:", "  ", packageName,
13561                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
13562                    dumpState.setTitlePrinted(true);
13563                }
13564                if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:"
13565                        : "Receiver Resolver Table:", "  ", packageName,
13566                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
13567                    dumpState.setTitlePrinted(true);
13568                }
13569                if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:"
13570                        : "Service Resolver Table:", "  ", packageName,
13571                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
13572                    dumpState.setTitlePrinted(true);
13573                }
13574                if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:"
13575                        : "Provider Resolver Table:", "  ", packageName,
13576                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
13577                    dumpState.setTitlePrinted(true);
13578                }
13579            }
13580
13581            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) {
13582                for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
13583                    PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
13584                    int user = mSettings.mPreferredActivities.keyAt(i);
13585                    if (pir.dump(pw,
13586                            dumpState.getTitlePrinted()
13587                                ? "\nPreferred Activities User " + user + ":"
13588                                : "Preferred Activities User " + user + ":", "  ",
13589                            packageName, true, false)) {
13590                        dumpState.setTitlePrinted(true);
13591                    }
13592                }
13593            }
13594
13595            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) {
13596                pw.flush();
13597                FileOutputStream fout = new FileOutputStream(fd);
13598                BufferedOutputStream str = new BufferedOutputStream(fout);
13599                XmlSerializer serializer = new FastXmlSerializer();
13600                try {
13601                    serializer.setOutput(str, "utf-8");
13602                    serializer.startDocument(null, true);
13603                    serializer.setFeature(
13604                            "http://xmlpull.org/v1/doc/features.html#indent-output", true);
13605                    mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred);
13606                    serializer.endDocument();
13607                    serializer.flush();
13608                } catch (IllegalArgumentException e) {
13609                    pw.println("Failed writing: " + e);
13610                } catch (IllegalStateException e) {
13611                    pw.println("Failed writing: " + e);
13612                } catch (IOException e) {
13613                    pw.println("Failed writing: " + e);
13614                }
13615            }
13616
13617            if (!checkin && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED)) {
13618                pw.println();
13619                int count = mSettings.mPackages.size();
13620                if (count == 0) {
13621                    pw.println("No domain preferred apps!");
13622                    pw.println();
13623                } else {
13624                    final String prefix = "  ";
13625                    Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values();
13626                    if (allPackageSettings.size() == 0) {
13627                        pw.println("No domain preferred apps!");
13628                        pw.println();
13629                    } else {
13630                        pw.println("Domain preferred apps status:");
13631                        pw.println();
13632                        count = 0;
13633                        for (PackageSetting ps : allPackageSettings) {
13634                            IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo();
13635                            if (ivi == null || ivi.getPackageName() == null) continue;
13636                            pw.println(prefix + "Package Name: " + ivi.getPackageName());
13637                            pw.println(prefix + "Domains: " + ivi.getDomainsString());
13638                            pw.println(prefix + "Status: " + ivi.getStatusString());
13639                            pw.println();
13640                            count++;
13641                        }
13642                        if (count == 0) {
13643                            pw.println(prefix + "No domain preferred app status!");
13644                            pw.println();
13645                        }
13646                        for (int userId : sUserManager.getUserIds()) {
13647                            pw.println("Domain preferred apps for User " + userId + ":");
13648                            pw.println();
13649                            count = 0;
13650                            for (PackageSetting ps : allPackageSettings) {
13651                                IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo();
13652                                if (ivi == null || ivi.getPackageName() == null) {
13653                                    continue;
13654                                }
13655                                final int status = ps.getDomainVerificationStatusForUser(userId);
13656                                if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) {
13657                                    continue;
13658                                }
13659                                pw.println(prefix + "Package Name: " + ivi.getPackageName());
13660                                pw.println(prefix + "Domains: " + ivi.getDomainsString());
13661                                String statusStr = IntentFilterVerificationInfo.
13662                                        getStatusStringFromValue(status);
13663                                pw.println(prefix + "Status: " + statusStr);
13664                                pw.println();
13665                                count++;
13666                            }
13667                            if (count == 0) {
13668                                pw.println(prefix + "No domain preferred apps!");
13669                                pw.println();
13670                            }
13671                        }
13672                    }
13673                }
13674            }
13675
13676            if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) {
13677                mSettings.dumpPermissionsLPr(pw, packageName, dumpState);
13678                if (packageName == null) {
13679                    for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) {
13680                        if (iperm == 0) {
13681                            if (dumpState.onTitlePrinted())
13682                                pw.println();
13683                            pw.println("AppOp Permissions:");
13684                        }
13685                        pw.print("  AppOp Permission ");
13686                        pw.print(mAppOpPermissionPackages.keyAt(iperm));
13687                        pw.println(":");
13688                        ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm);
13689                        for (int ipkg=0; ipkg<pkgs.size(); ipkg++) {
13690                            pw.print("    "); pw.println(pkgs.valueAt(ipkg));
13691                        }
13692                    }
13693                }
13694            }
13695
13696            if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) {
13697                boolean printedSomething = false;
13698                for (PackageParser.Provider p : mProviders.mProviders.values()) {
13699                    if (packageName != null && !packageName.equals(p.info.packageName)) {
13700                        continue;
13701                    }
13702                    if (!printedSomething) {
13703                        if (dumpState.onTitlePrinted())
13704                            pw.println();
13705                        pw.println("Registered ContentProviders:");
13706                        printedSomething = true;
13707                    }
13708                    pw.print("  "); p.printComponentShortName(pw); pw.println(":");
13709                    pw.print("    "); pw.println(p.toString());
13710                }
13711                printedSomething = false;
13712                for (Map.Entry<String, PackageParser.Provider> entry :
13713                        mProvidersByAuthority.entrySet()) {
13714                    PackageParser.Provider p = entry.getValue();
13715                    if (packageName != null && !packageName.equals(p.info.packageName)) {
13716                        continue;
13717                    }
13718                    if (!printedSomething) {
13719                        if (dumpState.onTitlePrinted())
13720                            pw.println();
13721                        pw.println("ContentProvider Authorities:");
13722                        printedSomething = true;
13723                    }
13724                    pw.print("  ["); pw.print(entry.getKey()); pw.println("]:");
13725                    pw.print("    "); pw.println(p.toString());
13726                    if (p.info != null && p.info.applicationInfo != null) {
13727                        final String appInfo = p.info.applicationInfo.toString();
13728                        pw.print("      applicationInfo="); pw.println(appInfo);
13729                    }
13730                }
13731            }
13732
13733            if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) {
13734                mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState);
13735            }
13736
13737            if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) {
13738                mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin);
13739            }
13740
13741            if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) {
13742                mSettings.dumpSharedUsersLPr(pw, packageName, dumpState, checkin);
13743            }
13744
13745            if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) {
13746                // XXX should handle packageName != null by dumping only install data that
13747                // the given package is involved with.
13748                if (dumpState.onTitlePrinted()) pw.println();
13749                mInstallerService.dump(new IndentingPrintWriter(pw, "  ", 120));
13750            }
13751
13752            if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) {
13753                if (dumpState.onTitlePrinted()) pw.println();
13754                mSettings.dumpReadMessagesLPr(pw, dumpState);
13755
13756                pw.println();
13757                pw.println("Package warning messages:");
13758                BufferedReader in = null;
13759                String line = null;
13760                try {
13761                    in = new BufferedReader(new FileReader(getSettingsProblemFile()));
13762                    while ((line = in.readLine()) != null) {
13763                        if (line.contains("ignored: updated version")) continue;
13764                        pw.println(line);
13765                    }
13766                } catch (IOException ignored) {
13767                } finally {
13768                    IoUtils.closeQuietly(in);
13769                }
13770            }
13771
13772            if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) {
13773                BufferedReader in = null;
13774                String line = null;
13775                try {
13776                    in = new BufferedReader(new FileReader(getSettingsProblemFile()));
13777                    while ((line = in.readLine()) != null) {
13778                        if (line.contains("ignored: updated version")) continue;
13779                        pw.print("msg,");
13780                        pw.println(line);
13781                    }
13782                } catch (IOException ignored) {
13783                } finally {
13784                    IoUtils.closeQuietly(in);
13785                }
13786            }
13787        }
13788    }
13789
13790    // ------- apps on sdcard specific code -------
13791    static final boolean DEBUG_SD_INSTALL = false;
13792
13793    private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD";
13794
13795    private static final String SD_ENCRYPTION_ALGORITHM = "AES";
13796
13797    private boolean mMediaMounted = false;
13798
13799    static String getEncryptKey() {
13800        try {
13801            String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString(
13802                    SD_ENCRYPTION_KEYSTORE_NAME);
13803            if (sdEncKey == null) {
13804                sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128,
13805                        SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME);
13806                if (sdEncKey == null) {
13807                    Slog.e(TAG, "Failed to create encryption keys");
13808                    return null;
13809                }
13810            }
13811            return sdEncKey;
13812        } catch (NoSuchAlgorithmException nsae) {
13813            Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae);
13814            return null;
13815        } catch (IOException ioe) {
13816            Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe);
13817            return null;
13818        }
13819    }
13820
13821    /*
13822     * Update media status on PackageManager.
13823     */
13824    @Override
13825    public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) {
13826        int callingUid = Binder.getCallingUid();
13827        if (callingUid != 0 && callingUid != Process.SYSTEM_UID) {
13828            throw new SecurityException("Media status can only be updated by the system");
13829        }
13830        // reader; this apparently protects mMediaMounted, but should probably
13831        // be a different lock in that case.
13832        synchronized (mPackages) {
13833            Log.i(TAG, "Updating external media status from "
13834                    + (mMediaMounted ? "mounted" : "unmounted") + " to "
13835                    + (mediaStatus ? "mounted" : "unmounted"));
13836            if (DEBUG_SD_INSTALL)
13837                Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus
13838                        + ", mMediaMounted=" + mMediaMounted);
13839            if (mediaStatus == mMediaMounted) {
13840                final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1
13841                        : 0, -1);
13842                mHandler.sendMessage(msg);
13843                return;
13844            }
13845            mMediaMounted = mediaStatus;
13846        }
13847        // Queue up an async operation since the package installation may take a
13848        // little while.
13849        mHandler.post(new Runnable() {
13850            public void run() {
13851                updateExternalMediaStatusInner(mediaStatus, reportStatus, true);
13852            }
13853        });
13854    }
13855
13856    /**
13857     * Called by MountService when the initial ASECs to scan are available.
13858     * Should block until all the ASEC containers are finished being scanned.
13859     */
13860    public void scanAvailableAsecs() {
13861        updateExternalMediaStatusInner(true, false, false);
13862        if (mShouldRestoreconData) {
13863            SELinuxMMAC.setRestoreconDone();
13864            mShouldRestoreconData = false;
13865        }
13866    }
13867
13868    /*
13869     * Collect information of applications on external media, map them against
13870     * existing containers and update information based on current mount status.
13871     * Please note that we always have to report status if reportStatus has been
13872     * set to true especially when unloading packages.
13873     */
13874    private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus,
13875            boolean externalStorage) {
13876        ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>();
13877        int[] uidArr = EmptyArray.INT;
13878
13879        final String[] list = PackageHelper.getSecureContainerList();
13880        if (ArrayUtils.isEmpty(list)) {
13881            Log.i(TAG, "No secure containers found");
13882        } else {
13883            // Process list of secure containers and categorize them
13884            // as active or stale based on their package internal state.
13885
13886            // reader
13887            synchronized (mPackages) {
13888                for (String cid : list) {
13889                    // Leave stages untouched for now; installer service owns them
13890                    if (PackageInstallerService.isStageName(cid)) continue;
13891
13892                    if (DEBUG_SD_INSTALL)
13893                        Log.i(TAG, "Processing container " + cid);
13894                    String pkgName = getAsecPackageName(cid);
13895                    if (pkgName == null) {
13896                        Slog.i(TAG, "Found stale container " + cid + " with no package name");
13897                        continue;
13898                    }
13899                    if (DEBUG_SD_INSTALL)
13900                        Log.i(TAG, "Looking for pkg : " + pkgName);
13901
13902                    final PackageSetting ps = mSettings.mPackages.get(pkgName);
13903                    if (ps == null) {
13904                        Slog.i(TAG, "Found stale container " + cid + " with no matching settings");
13905                        continue;
13906                    }
13907
13908                    /*
13909                     * Skip packages that are not external if we're unmounting
13910                     * external storage.
13911                     */
13912                    if (externalStorage && !isMounted && !isExternal(ps)) {
13913                        continue;
13914                    }
13915
13916                    final AsecInstallArgs args = new AsecInstallArgs(cid,
13917                            getAppDexInstructionSets(ps), ps.isForwardLocked());
13918                    // The package status is changed only if the code path
13919                    // matches between settings and the container id.
13920                    if (ps.codePathString != null
13921                            && ps.codePathString.startsWith(args.getCodePath())) {
13922                        if (DEBUG_SD_INSTALL) {
13923                            Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName
13924                                    + " at code path: " + ps.codePathString);
13925                        }
13926
13927                        // We do have a valid package installed on sdcard
13928                        processCids.put(args, ps.codePathString);
13929                        final int uid = ps.appId;
13930                        if (uid != -1) {
13931                            uidArr = ArrayUtils.appendInt(uidArr, uid);
13932                        }
13933                    } else {
13934                        Slog.i(TAG, "Found stale container " + cid + ": expected codePath="
13935                                + ps.codePathString);
13936                    }
13937                }
13938            }
13939
13940            Arrays.sort(uidArr);
13941        }
13942
13943        // Process packages with valid entries.
13944        if (isMounted) {
13945            if (DEBUG_SD_INSTALL)
13946                Log.i(TAG, "Loading packages");
13947            loadMediaPackages(processCids, uidArr);
13948            startCleaningPackages();
13949            mInstallerService.onSecureContainersAvailable();
13950        } else {
13951            if (DEBUG_SD_INSTALL)
13952                Log.i(TAG, "Unloading packages");
13953            unloadMediaPackages(processCids, uidArr, reportStatus);
13954        }
13955    }
13956
13957    private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
13958            ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) {
13959        final int size = infos.size();
13960        final String[] packageNames = new String[size];
13961        final int[] packageUids = new int[size];
13962        for (int i = 0; i < size; i++) {
13963            final ApplicationInfo info = infos.get(i);
13964            packageNames[i] = info.packageName;
13965            packageUids[i] = info.uid;
13966        }
13967        sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids,
13968                finishedReceiver);
13969    }
13970
13971    private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
13972            ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) {
13973        sendResourcesChangedBroadcast(mediaStatus, replacing,
13974                pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver);
13975    }
13976
13977    private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
13978            String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) {
13979        int size = pkgList.length;
13980        if (size > 0) {
13981            // Send broadcasts here
13982            Bundle extras = new Bundle();
13983            extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList);
13984            if (uidArr != null) {
13985                extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr);
13986            }
13987            if (replacing) {
13988                extras.putBoolean(Intent.EXTRA_REPLACING, replacing);
13989            }
13990            String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE
13991                    : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE;
13992            sendPackageBroadcast(action, null, extras, null, finishedReceiver, null);
13993        }
13994    }
13995
13996   /*
13997     * Look at potentially valid container ids from processCids If package
13998     * information doesn't match the one on record or package scanning fails,
13999     * the cid is added to list of removeCids. We currently don't delete stale
14000     * containers.
14001     */
14002    private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) {
14003        ArrayList<String> pkgList = new ArrayList<String>();
14004        Set<AsecInstallArgs> keys = processCids.keySet();
14005
14006        for (AsecInstallArgs args : keys) {
14007            String codePath = processCids.get(args);
14008            if (DEBUG_SD_INSTALL)
14009                Log.i(TAG, "Loading container : " + args.cid);
14010            int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
14011            try {
14012                // Make sure there are no container errors first.
14013                if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) {
14014                    Slog.e(TAG, "Failed to mount cid : " + args.cid
14015                            + " when installing from sdcard");
14016                    continue;
14017                }
14018                // Check code path here.
14019                if (codePath == null || !codePath.startsWith(args.getCodePath())) {
14020                    Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath()
14021                            + " does not match one in settings " + codePath);
14022                    continue;
14023                }
14024                // Parse package
14025                int parseFlags = mDefParseFlags;
14026                if (args.isExternalAsec()) {
14027                    parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE;
14028                }
14029                if (args.isFwdLocked()) {
14030                    parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
14031                }
14032
14033                synchronized (mInstallLock) {
14034                    PackageParser.Package pkg = null;
14035                    try {
14036                        pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null);
14037                    } catch (PackageManagerException e) {
14038                        Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage());
14039                    }
14040                    // Scan the package
14041                    if (pkg != null) {
14042                        /*
14043                         * TODO why is the lock being held? doPostInstall is
14044                         * called in other places without the lock. This needs
14045                         * to be straightened out.
14046                         */
14047                        // writer
14048                        synchronized (mPackages) {
14049                            retCode = PackageManager.INSTALL_SUCCEEDED;
14050                            pkgList.add(pkg.packageName);
14051                            // Post process args
14052                            args.doPostInstall(PackageManager.INSTALL_SUCCEEDED,
14053                                    pkg.applicationInfo.uid);
14054                        }
14055                    } else {
14056                        Slog.i(TAG, "Failed to install pkg from  " + codePath + " from sdcard");
14057                    }
14058                }
14059
14060            } finally {
14061                if (retCode != PackageManager.INSTALL_SUCCEEDED) {
14062                    Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode);
14063                }
14064            }
14065        }
14066        // writer
14067        synchronized (mPackages) {
14068            // If the platform SDK has changed since the last time we booted,
14069            // we need to re-grant app permission to catch any new ones that
14070            // appear. This is really a hack, and means that apps can in some
14071            // cases get permissions that the user didn't initially explicitly
14072            // allow... it would be nice to have some better way to handle
14073            // this situation.
14074            final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion;
14075            if (regrantPermissions)
14076                Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to "
14077                        + mSdkVersion + "; regranting permissions for external storage");
14078            mSettings.mExternalSdkPlatform = mSdkVersion;
14079
14080            // Make sure group IDs have been assigned, and any permission
14081            // changes in other apps are accounted for
14082            updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
14083                    | (regrantPermissions
14084                            ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
14085                            : 0));
14086
14087            mSettings.updateExternalDatabaseVersion();
14088
14089            // can downgrade to reader
14090            // Persist settings
14091            mSettings.writeLPr();
14092        }
14093        // Send a broadcast to let everyone know we are done processing
14094        if (pkgList.size() > 0) {
14095            sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null);
14096        }
14097    }
14098
14099   /*
14100     * Utility method to unload a list of specified containers
14101     */
14102    private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) {
14103        // Just unmount all valid containers.
14104        for (AsecInstallArgs arg : cidArgs) {
14105            synchronized (mInstallLock) {
14106                arg.doPostDeleteLI(false);
14107           }
14108       }
14109   }
14110
14111    /*
14112     * Unload packages mounted on external media. This involves deleting package
14113     * data from internal structures, sending broadcasts about diabled packages,
14114     * gc'ing to free up references, unmounting all secure containers
14115     * corresponding to packages on external media, and posting a
14116     * UPDATED_MEDIA_STATUS message if status has been requested. Please note
14117     * that we always have to post this message if status has been requested no
14118     * matter what.
14119     */
14120    private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[],
14121            final boolean reportStatus) {
14122        if (DEBUG_SD_INSTALL)
14123            Log.i(TAG, "unloading media packages");
14124        ArrayList<String> pkgList = new ArrayList<String>();
14125        ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>();
14126        final Set<AsecInstallArgs> keys = processCids.keySet();
14127        for (AsecInstallArgs args : keys) {
14128            String pkgName = args.getPackageName();
14129            if (DEBUG_SD_INSTALL)
14130                Log.i(TAG, "Trying to unload pkg : " + pkgName);
14131            // Delete package internally
14132            PackageRemovedInfo outInfo = new PackageRemovedInfo();
14133            synchronized (mInstallLock) {
14134                boolean res = deletePackageLI(pkgName, null, false, null, null,
14135                        PackageManager.DELETE_KEEP_DATA, outInfo, false);
14136                if (res) {
14137                    pkgList.add(pkgName);
14138                } else {
14139                    Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName);
14140                    failedList.add(args);
14141                }
14142            }
14143        }
14144
14145        // reader
14146        synchronized (mPackages) {
14147            // We didn't update the settings after removing each package;
14148            // write them now for all packages.
14149            mSettings.writeLPr();
14150        }
14151
14152        // We have to absolutely send UPDATED_MEDIA_STATUS only
14153        // after confirming that all the receivers processed the ordered
14154        // broadcast when packages get disabled, force a gc to clean things up.
14155        // and unload all the containers.
14156        if (pkgList.size() > 0) {
14157            sendResourcesChangedBroadcast(false, false, pkgList, uidArr,
14158                    new IIntentReceiver.Stub() {
14159                public void performReceive(Intent intent, int resultCode, String data,
14160                        Bundle extras, boolean ordered, boolean sticky,
14161                        int sendingUser) throws RemoteException {
14162                    Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
14163                            reportStatus ? 1 : 0, 1, keys);
14164                    mHandler.sendMessage(msg);
14165                }
14166            });
14167        } else {
14168            Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1,
14169                    keys);
14170            mHandler.sendMessage(msg);
14171        }
14172    }
14173
14174    private void loadPrivatePackages(VolumeInfo vol) {
14175        final ArrayList<ApplicationInfo> loaded = new ArrayList<>();
14176        final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE;
14177        synchronized (mPackages) {
14178            final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid);
14179            for (PackageSetting ps : packages) {
14180                synchronized (mInstallLock) {
14181                    final PackageParser.Package pkg;
14182                    try {
14183                        pkg = scanPackageLI(ps.codePath, parseFlags, 0, 0, null);
14184                        loaded.add(pkg.applicationInfo);
14185                    } catch (PackageManagerException e) {
14186                        Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage());
14187                    }
14188                }
14189            }
14190
14191            // TODO: regrant any permissions that changed based since original install
14192
14193            mSettings.writeLPr();
14194        }
14195
14196        Slog.d(TAG, "Loaded packages " + loaded);
14197        sendResourcesChangedBroadcast(true, false, loaded, null);
14198    }
14199
14200    private void unloadPrivatePackages(VolumeInfo vol) {
14201        final ArrayList<ApplicationInfo> unloaded = new ArrayList<>();
14202        synchronized (mPackages) {
14203            final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid);
14204            for (PackageSetting ps : packages) {
14205                if (ps.pkg == null) continue;
14206                synchronized (mInstallLock) {
14207                    final ApplicationInfo info = ps.pkg.applicationInfo;
14208                    final PackageRemovedInfo outInfo = new PackageRemovedInfo();
14209                    if (deletePackageLI(ps.name, null, false, null, null,
14210                            PackageManager.DELETE_KEEP_DATA, outInfo, false)) {
14211                        unloaded.add(info);
14212                    } else {
14213                        Slog.w(TAG, "Failed to unload " + ps.codePath);
14214                    }
14215                }
14216            }
14217
14218            mSettings.writeLPr();
14219        }
14220
14221        Slog.d(TAG, "Unloaded packages " + unloaded);
14222        sendResourcesChangedBroadcast(false, false, unloaded, null);
14223    }
14224
14225    private void unfreezePackage(String packageName) {
14226        synchronized (mPackages) {
14227            final PackageSetting ps = mSettings.mPackages.get(packageName);
14228            if (ps != null) {
14229                ps.frozen = false;
14230            }
14231        }
14232    }
14233
14234    @Override
14235    public int movePackage(final String packageName, final String volumeUuid) {
14236        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
14237
14238        final int moveId = mNextMoveId.getAndIncrement();
14239        try {
14240            movePackageInternal(packageName, volumeUuid, moveId);
14241        } catch (PackageManagerException e) {
14242            Slog.d(TAG, "Failed to move " + packageName, e);
14243            mMoveCallbacks.notifyStatusChanged(moveId,
14244                    PackageManager.MOVE_FAILED_INTERNAL_ERROR);
14245        }
14246        return moveId;
14247    }
14248
14249    private void movePackageInternal(final String packageName, final String volumeUuid,
14250            final int moveId) throws PackageManagerException {
14251        final UserHandle user = new UserHandle(UserHandle.getCallingUserId());
14252        final PackageManager pm = mContext.getPackageManager();
14253
14254        final boolean currentAsec;
14255        final String currentVolumeUuid;
14256        final File codeFile;
14257        final String installerPackageName;
14258        final String packageAbiOverride;
14259        final int appId;
14260        final String seinfo;
14261        final String label;
14262
14263        // reader
14264        synchronized (mPackages) {
14265            final PackageParser.Package pkg = mPackages.get(packageName);
14266            final PackageSetting ps = mSettings.mPackages.get(packageName);
14267            if (pkg == null || ps == null) {
14268                throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package");
14269            }
14270
14271            if (pkg.applicationInfo.isSystemApp()) {
14272                throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE,
14273                        "Cannot move system application");
14274            }
14275
14276            if (Objects.equals(ps.volumeUuid, volumeUuid)) {
14277                throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
14278                        "Package already moved to " + volumeUuid);
14279            }
14280
14281            if (ps.frozen) {
14282                throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING,
14283                        "Failed to move already frozen package");
14284            }
14285
14286            ps.frozen = true;
14287
14288            currentAsec = pkg.applicationInfo.isForwardLocked()
14289                    || pkg.applicationInfo.isExternalAsec();
14290            currentVolumeUuid = ps.volumeUuid;
14291            codeFile = new File(pkg.codePath);
14292            installerPackageName = ps.installerPackageName;
14293            packageAbiOverride = ps.cpuAbiOverrideString;
14294            appId = UserHandle.getAppId(pkg.applicationInfo.uid);
14295            seinfo = pkg.applicationInfo.seinfo;
14296            label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo));
14297        }
14298
14299        // Now that we're guarded by frozen state, kill app during upgrade
14300        killApplication(packageName, appId, "move pkg");
14301
14302        final Bundle extras = new Bundle();
14303        extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName);
14304        extras.putString(Intent.EXTRA_TITLE, label);
14305        mMoveCallbacks.notifyCreated(moveId, extras);
14306
14307        int installFlags;
14308        final boolean moveData;
14309
14310        if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) {
14311            installFlags = INSTALL_INTERNAL;
14312            moveData = !currentAsec;
14313        } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) {
14314            installFlags = INSTALL_EXTERNAL;
14315            moveData = false;
14316        } else {
14317            final StorageManager storage = mContext.getSystemService(StorageManager.class);
14318            final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid);
14319            if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE
14320                    || !volume.isMountedWritable()) {
14321                unfreezePackage(packageName);
14322                throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
14323                        "Move location not mounted private volume");
14324            }
14325
14326            Preconditions.checkState(!currentAsec);
14327
14328            installFlags = INSTALL_INTERNAL;
14329            moveData = true;
14330        }
14331
14332        Slog.d(TAG, "Moving " + packageName + " from " + currentVolumeUuid + " to " + volumeUuid);
14333        mMoveCallbacks.notifyStatusChanged(moveId, 10);
14334
14335        if (moveData) {
14336            synchronized (mInstallLock) {
14337                // TODO: split this into separate copy and delete operations
14338                if (mInstaller.moveUserDataDirs(currentVolumeUuid, volumeUuid, packageName, appId,
14339                        seinfo) != 0) {
14340                    unfreezePackage(packageName);
14341                    throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
14342                            "Failed to move private data to " + volumeUuid);
14343                }
14344            }
14345        }
14346
14347        mMoveCallbacks.notifyStatusChanged(moveId, 50);
14348
14349        final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() {
14350            @Override
14351            public void onUserActionRequired(Intent intent) throws RemoteException {
14352                throw new IllegalStateException();
14353            }
14354
14355            @Override
14356            public void onPackageInstalled(String basePackageName, int returnCode, String msg,
14357                    Bundle extras) throws RemoteException {
14358                Slog.d(TAG, "Install result for move: "
14359                        + PackageManager.installStatusToString(returnCode, msg));
14360
14361                // Regardless of success or failure of the move operation,
14362                // always unfreeze the package
14363                unfreezePackage(packageName);
14364
14365                final int status = PackageManager.installStatusToPublicStatus(returnCode);
14366                switch (status) {
14367                    case PackageInstaller.STATUS_SUCCESS:
14368                        mMoveCallbacks.notifyStatusChanged(moveId,
14369                                PackageManager.MOVE_SUCCEEDED);
14370                        break;
14371                    case PackageInstaller.STATUS_FAILURE_STORAGE:
14372                        mMoveCallbacks.notifyStatusChanged(moveId,
14373                                PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE);
14374                        break;
14375                    default:
14376                        mMoveCallbacks.notifyStatusChanged(moveId,
14377                                PackageManager.MOVE_FAILED_INTERNAL_ERROR);
14378                        break;
14379                }
14380            }
14381        };
14382
14383        // Treat a move like reinstalling an existing app, which ensures that we
14384        // process everythign uniformly, like unpacking native libraries.
14385        installFlags |= PackageManager.INSTALL_REPLACE_EXISTING;
14386
14387        final Message msg = mHandler.obtainMessage(INIT_COPY);
14388        final OriginInfo origin = OriginInfo.fromExistingFile(codeFile);
14389        msg.obj = new InstallParams(origin, installObserver, installFlags,
14390                installerPackageName, volumeUuid, null, user, packageAbiOverride);
14391        mHandler.sendMessage(msg);
14392    }
14393
14394    @Override
14395    public int movePrimaryStorage(String volumeUuid) throws RemoteException {
14396        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
14397
14398        final int realMoveId = mNextMoveId.getAndIncrement();
14399        final Bundle extras = new Bundle();
14400        extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid);
14401        mMoveCallbacks.notifyCreated(realMoveId, extras);
14402
14403        final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() {
14404            @Override
14405            public void onCreated(int moveId, Bundle extras) {
14406                // Ignored
14407            }
14408
14409            @Override
14410            public void onStatusChanged(int moveId, int status, long estMillis) {
14411                mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis);
14412            }
14413        };
14414
14415        final StorageManager storage = mContext.getSystemService(StorageManager.class);
14416        storage.setPrimaryStorageUuid(volumeUuid, callback);
14417        return realMoveId;
14418    }
14419
14420    @Override
14421    public int getMoveStatus(int moveId) {
14422        mContext.enforceCallingOrSelfPermission(
14423                android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null);
14424        return mMoveCallbacks.mLastStatus.get(moveId);
14425    }
14426
14427    @Override
14428    public void registerMoveCallback(IPackageMoveObserver callback) {
14429        mContext.enforceCallingOrSelfPermission(
14430                android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null);
14431        mMoveCallbacks.register(callback);
14432    }
14433
14434    @Override
14435    public void unregisterMoveCallback(IPackageMoveObserver callback) {
14436        mContext.enforceCallingOrSelfPermission(
14437                android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null);
14438        mMoveCallbacks.unregister(callback);
14439    }
14440
14441    @Override
14442    public boolean setInstallLocation(int loc) {
14443        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS,
14444                null);
14445        if (getInstallLocation() == loc) {
14446            return true;
14447        }
14448        if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL
14449                || loc == PackageHelper.APP_INSTALL_EXTERNAL) {
14450            android.provider.Settings.Global.putInt(mContext.getContentResolver(),
14451                    android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc);
14452            return true;
14453        }
14454        return false;
14455   }
14456
14457    @Override
14458    public int getInstallLocation() {
14459        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
14460                android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION,
14461                PackageHelper.APP_INSTALL_AUTO);
14462    }
14463
14464    /** Called by UserManagerService */
14465    void cleanUpUserLILPw(UserManagerService userManager, int userHandle) {
14466        mDirtyUsers.remove(userHandle);
14467        mSettings.removeUserLPw(userHandle);
14468        mPendingBroadcasts.remove(userHandle);
14469        if (mInstaller != null) {
14470            // Technically, we shouldn't be doing this with the package lock
14471            // held.  However, this is very rare, and there is already so much
14472            // other disk I/O going on, that we'll let it slide for now.
14473            final StorageManager storage = StorageManager.from(mContext);
14474            final List<VolumeInfo> vols = storage.getVolumes();
14475            for (VolumeInfo vol : vols) {
14476                if (vol.getType() == VolumeInfo.TYPE_PRIVATE && vol.isMountedWritable()) {
14477                    final String volumeUuid = vol.getFsUuid();
14478                    Slog.d(TAG, "Removing user data on volume " + volumeUuid);
14479                    mInstaller.removeUserDataDirs(volumeUuid, userHandle);
14480                }
14481            }
14482        }
14483        mUserNeedsBadging.delete(userHandle);
14484        removeUnusedPackagesLILPw(userManager, userHandle);
14485    }
14486
14487    /**
14488     * We're removing userHandle and would like to remove any downloaded packages
14489     * that are no longer in use by any other user.
14490     * @param userHandle the user being removed
14491     */
14492    private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) {
14493        final boolean DEBUG_CLEAN_APKS = false;
14494        int [] users = userManager.getUserIdsLPr();
14495        Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
14496        while (psit.hasNext()) {
14497            PackageSetting ps = psit.next();
14498            if (ps.pkg == null) {
14499                continue;
14500            }
14501            final String packageName = ps.pkg.packageName;
14502            // Skip over if system app
14503            if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) {
14504                continue;
14505            }
14506            if (DEBUG_CLEAN_APKS) {
14507                Slog.i(TAG, "Checking package " + packageName);
14508            }
14509            boolean keep = false;
14510            for (int i = 0; i < users.length; i++) {
14511                if (users[i] != userHandle && ps.getInstalled(users[i])) {
14512                    keep = true;
14513                    if (DEBUG_CLEAN_APKS) {
14514                        Slog.i(TAG, "  Keeping package " + packageName + " for user "
14515                                + users[i]);
14516                    }
14517                    break;
14518                }
14519            }
14520            if (!keep) {
14521                if (DEBUG_CLEAN_APKS) {
14522                    Slog.i(TAG, "  Removing package " + packageName);
14523                }
14524                mHandler.post(new Runnable() {
14525                    public void run() {
14526                        deletePackageX(packageName, userHandle, 0);
14527                    } //end run
14528                });
14529            }
14530        }
14531    }
14532
14533    /** Called by UserManagerService */
14534    void createNewUserLILPw(int userHandle, File path) {
14535        if (mInstaller != null) {
14536            mInstaller.createUserConfig(userHandle);
14537            mSettings.createNewUserLILPw(this, mInstaller, userHandle, path);
14538        }
14539    }
14540
14541    void newUserCreatedLILPw(int userHandle) {
14542        // Adding a user requires updating runtime permissions for system apps.
14543        updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL);
14544    }
14545
14546    @Override
14547    public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException {
14548        mContext.enforceCallingOrSelfPermission(
14549                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
14550                "Only package verification agents can read the verifier device identity");
14551
14552        synchronized (mPackages) {
14553            return mSettings.getVerifierDeviceIdentityLPw();
14554        }
14555    }
14556
14557    @Override
14558    public void setPermissionEnforced(String permission, boolean enforced) {
14559        mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null);
14560        if (READ_EXTERNAL_STORAGE.equals(permission)) {
14561            synchronized (mPackages) {
14562                if (mSettings.mReadExternalStorageEnforced == null
14563                        || mSettings.mReadExternalStorageEnforced != enforced) {
14564                    mSettings.mReadExternalStorageEnforced = enforced;
14565                    mSettings.writeLPr();
14566                }
14567            }
14568            // kill any non-foreground processes so we restart them and
14569            // grant/revoke the GID.
14570            final IActivityManager am = ActivityManagerNative.getDefault();
14571            if (am != null) {
14572                final long token = Binder.clearCallingIdentity();
14573                try {
14574                    am.killProcessesBelowForeground("setPermissionEnforcement");
14575                } catch (RemoteException e) {
14576                } finally {
14577                    Binder.restoreCallingIdentity(token);
14578                }
14579            }
14580        } else {
14581            throw new IllegalArgumentException("No selective enforcement for " + permission);
14582        }
14583    }
14584
14585    @Override
14586    @Deprecated
14587    public boolean isPermissionEnforced(String permission) {
14588        return true;
14589    }
14590
14591    @Override
14592    public boolean isStorageLow() {
14593        final long token = Binder.clearCallingIdentity();
14594        try {
14595            final DeviceStorageMonitorInternal
14596                    dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
14597            if (dsm != null) {
14598                return dsm.isMemoryLow();
14599            } else {
14600                return false;
14601            }
14602        } finally {
14603            Binder.restoreCallingIdentity(token);
14604        }
14605    }
14606
14607    @Override
14608    public IPackageInstaller getPackageInstaller() {
14609        return mInstallerService;
14610    }
14611
14612    private boolean userNeedsBadging(int userId) {
14613        int index = mUserNeedsBadging.indexOfKey(userId);
14614        if (index < 0) {
14615            final UserInfo userInfo;
14616            final long token = Binder.clearCallingIdentity();
14617            try {
14618                userInfo = sUserManager.getUserInfo(userId);
14619            } finally {
14620                Binder.restoreCallingIdentity(token);
14621            }
14622            final boolean b;
14623            if (userInfo != null && userInfo.isManagedProfile()) {
14624                b = true;
14625            } else {
14626                b = false;
14627            }
14628            mUserNeedsBadging.put(userId, b);
14629            return b;
14630        }
14631        return mUserNeedsBadging.valueAt(index);
14632    }
14633
14634    @Override
14635    public KeySet getKeySetByAlias(String packageName, String alias) {
14636        if (packageName == null || alias == null) {
14637            return null;
14638        }
14639        synchronized(mPackages) {
14640            final PackageParser.Package pkg = mPackages.get(packageName);
14641            if (pkg == null) {
14642                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
14643                throw new IllegalArgumentException("Unknown package: " + packageName);
14644            }
14645            KeySetManagerService ksms = mSettings.mKeySetManagerService;
14646            return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias));
14647        }
14648    }
14649
14650    @Override
14651    public KeySet getSigningKeySet(String packageName) {
14652        if (packageName == null) {
14653            return null;
14654        }
14655        synchronized(mPackages) {
14656            final PackageParser.Package pkg = mPackages.get(packageName);
14657            if (pkg == null) {
14658                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
14659                throw new IllegalArgumentException("Unknown package: " + packageName);
14660            }
14661            if (pkg.applicationInfo.uid != Binder.getCallingUid()
14662                    && Process.SYSTEM_UID != Binder.getCallingUid()) {
14663                throw new SecurityException("May not access signing KeySet of other apps.");
14664            }
14665            KeySetManagerService ksms = mSettings.mKeySetManagerService;
14666            return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName));
14667        }
14668    }
14669
14670    @Override
14671    public boolean isPackageSignedByKeySet(String packageName, KeySet ks) {
14672        if (packageName == null || ks == null) {
14673            return false;
14674        }
14675        synchronized(mPackages) {
14676            final PackageParser.Package pkg = mPackages.get(packageName);
14677            if (pkg == null) {
14678                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
14679                throw new IllegalArgumentException("Unknown package: " + packageName);
14680            }
14681            IBinder ksh = ks.getToken();
14682            if (ksh instanceof KeySetHandle) {
14683                KeySetManagerService ksms = mSettings.mKeySetManagerService;
14684                return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh);
14685            }
14686            return false;
14687        }
14688    }
14689
14690    @Override
14691    public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) {
14692        if (packageName == null || ks == null) {
14693            return false;
14694        }
14695        synchronized(mPackages) {
14696            final PackageParser.Package pkg = mPackages.get(packageName);
14697            if (pkg == null) {
14698                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
14699                throw new IllegalArgumentException("Unknown package: " + packageName);
14700            }
14701            IBinder ksh = ks.getToken();
14702            if (ksh instanceof KeySetHandle) {
14703                KeySetManagerService ksms = mSettings.mKeySetManagerService;
14704                return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh);
14705            }
14706            return false;
14707        }
14708    }
14709
14710    public void getUsageStatsIfNoPackageUsageInfo() {
14711        if (!mPackageUsage.isHistoricalPackageUsageAvailable()) {
14712            UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE);
14713            if (usm == null) {
14714                throw new IllegalStateException("UsageStatsManager must be initialized");
14715            }
14716            long now = System.currentTimeMillis();
14717            Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now);
14718            for (Map.Entry<String, UsageStats> entry : stats.entrySet()) {
14719                String packageName = entry.getKey();
14720                PackageParser.Package pkg = mPackages.get(packageName);
14721                if (pkg == null) {
14722                    continue;
14723                }
14724                UsageStats usage = entry.getValue();
14725                pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed();
14726                mPackageUsage.mIsHistoricalPackageUsageAvailable = true;
14727            }
14728        }
14729    }
14730
14731    /**
14732     * Check and throw if the given before/after packages would be considered a
14733     * downgrade.
14734     */
14735    private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after)
14736            throws PackageManagerException {
14737        if (after.versionCode < before.mVersionCode) {
14738            throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE,
14739                    "Update version code " + after.versionCode + " is older than current "
14740                    + before.mVersionCode);
14741        } else if (after.versionCode == before.mVersionCode) {
14742            if (after.baseRevisionCode < before.baseRevisionCode) {
14743                throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE,
14744                        "Update base revision code " + after.baseRevisionCode
14745                        + " is older than current " + before.baseRevisionCode);
14746            }
14747
14748            if (!ArrayUtils.isEmpty(after.splitNames)) {
14749                for (int i = 0; i < after.splitNames.length; i++) {
14750                    final String splitName = after.splitNames[i];
14751                    final int j = ArrayUtils.indexOf(before.splitNames, splitName);
14752                    if (j != -1) {
14753                        if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) {
14754                            throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE,
14755                                    "Update split " + splitName + " revision code "
14756                                    + after.splitRevisionCodes[i] + " is older than current "
14757                                    + before.splitRevisionCodes[j]);
14758                        }
14759                    }
14760                }
14761            }
14762        }
14763    }
14764
14765    private static class MoveCallbacks extends Handler {
14766        private static final int MSG_CREATED = 1;
14767        private static final int MSG_STATUS_CHANGED = 2;
14768
14769        private final RemoteCallbackList<IPackageMoveObserver>
14770                mCallbacks = new RemoteCallbackList<>();
14771
14772        private final SparseIntArray mLastStatus = new SparseIntArray();
14773
14774        public MoveCallbacks(Looper looper) {
14775            super(looper);
14776        }
14777
14778        public void register(IPackageMoveObserver callback) {
14779            mCallbacks.register(callback);
14780        }
14781
14782        public void unregister(IPackageMoveObserver callback) {
14783            mCallbacks.unregister(callback);
14784        }
14785
14786        @Override
14787        public void handleMessage(Message msg) {
14788            final SomeArgs args = (SomeArgs) msg.obj;
14789            final int n = mCallbacks.beginBroadcast();
14790            for (int i = 0; i < n; i++) {
14791                final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i);
14792                try {
14793                    invokeCallback(callback, msg.what, args);
14794                } catch (RemoteException ignored) {
14795                }
14796            }
14797            mCallbacks.finishBroadcast();
14798            args.recycle();
14799        }
14800
14801        private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args)
14802                throws RemoteException {
14803            switch (what) {
14804                case MSG_CREATED: {
14805                    callback.onCreated(args.argi1, (Bundle) args.arg2);
14806                    break;
14807                }
14808                case MSG_STATUS_CHANGED: {
14809                    callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3);
14810                    break;
14811                }
14812            }
14813        }
14814
14815        private void notifyCreated(int moveId, Bundle extras) {
14816            Slog.v(TAG, "Move " + moveId + " created " + extras.toString());
14817
14818            final SomeArgs args = SomeArgs.obtain();
14819            args.argi1 = moveId;
14820            args.arg2 = extras;
14821            obtainMessage(MSG_CREATED, args).sendToTarget();
14822        }
14823
14824        private void notifyStatusChanged(int moveId, int status) {
14825            notifyStatusChanged(moveId, status, -1);
14826        }
14827
14828        private void notifyStatusChanged(int moveId, int status, long estMillis) {
14829            Slog.v(TAG, "Move " + moveId + " status " + status);
14830
14831            final SomeArgs args = SomeArgs.obtain();
14832            args.argi1 = moveId;
14833            args.argi2 = status;
14834            args.arg3 = estMillis;
14835            obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget();
14836
14837            synchronized (mLastStatus) {
14838                mLastStatus.put(moveId, status);
14839            }
14840        }
14841    }
14842}
14843