PackageManagerService.java revision dc4ad271f931eca48ab8ef22ef76db740d179d99 
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            case PackageManager.INSTALL_SUCCEEDED: {
1606                extras = new Bundle();
1607                extras.putBoolean(Intent.EXTRA_REPLACING,
1608                        res.removedInfo != null && res.removedInfo.removedPackage != null);
1609                break;
1610            }
1611        }
1612        return extras;
1613    }
1614
1615    void scheduleWriteSettingsLocked() {
1616        if (!mHandler.hasMessages(WRITE_SETTINGS)) {
1617            mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY);
1618        }
1619    }
1620
1621    void scheduleWritePackageRestrictionsLocked(int userId) {
1622        if (!sUserManager.exists(userId)) return;
1623        mDirtyUsers.add(userId);
1624        if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) {
1625            mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY);
1626        }
1627    }
1628
1629    public static PackageManagerService main(Context context, Installer installer,
1630            boolean factoryTest, boolean onlyCore) {
1631        PackageManagerService m = new PackageManagerService(context, installer,
1632                factoryTest, onlyCore);
1633        ServiceManager.addService("package", m);
1634        return m;
1635    }
1636
1637    static String[] splitString(String str, char sep) {
1638        int count = 1;
1639        int i = 0;
1640        while ((i=str.indexOf(sep, i)) >= 0) {
1641            count++;
1642            i++;
1643        }
1644
1645        String[] res = new String[count];
1646        i=0;
1647        count = 0;
1648        int lastI=0;
1649        while ((i=str.indexOf(sep, i)) >= 0) {
1650            res[count] = str.substring(lastI, i);
1651            count++;
1652            i++;
1653            lastI = i;
1654        }
1655        res[count] = str.substring(lastI, str.length());
1656        return res;
1657    }
1658
1659    private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) {
1660        DisplayManager displayManager = (DisplayManager) context.getSystemService(
1661                Context.DISPLAY_SERVICE);
1662        displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics);
1663    }
1664
1665    public PackageManagerService(Context context, Installer installer,
1666            boolean factoryTest, boolean onlyCore) {
1667        EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START,
1668                SystemClock.uptimeMillis());
1669
1670        if (mSdkVersion <= 0) {
1671            Slog.w(TAG, "**** ro.build.version.sdk not set!");
1672        }
1673
1674        mContext = context;
1675        mFactoryTest = factoryTest;
1676        mOnlyCore = onlyCore;
1677        mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type"));
1678        mMetrics = new DisplayMetrics();
1679        mSettings = new Settings(mPackages);
1680        mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID,
1681                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1682        mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID,
1683                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1684        mSettings.addSharedUserLPw("android.uid.log", LOG_UID,
1685                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1686        mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID,
1687                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1688        mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID,
1689                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1690        mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID,
1691                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1692
1693        // TODO: add a property to control this?
1694        long dexOptLRUThresholdInMinutes;
1695        if (mLazyDexOpt) {
1696            dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds.
1697        } else {
1698            dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users.
1699        }
1700        mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000;
1701
1702        String separateProcesses = SystemProperties.get("debug.separate_processes");
1703        if (separateProcesses != null && separateProcesses.length() > 0) {
1704            if ("*".equals(separateProcesses)) {
1705                mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES;
1706                mSeparateProcesses = null;
1707                Slog.w(TAG, "Running with debug.separate_processes: * (ALL)");
1708            } else {
1709                mDefParseFlags = 0;
1710                mSeparateProcesses = separateProcesses.split(",");
1711                Slog.w(TAG, "Running with debug.separate_processes: "
1712                        + separateProcesses);
1713            }
1714        } else {
1715            mDefParseFlags = 0;
1716            mSeparateProcesses = null;
1717        }
1718
1719        mInstaller = installer;
1720        mPackageDexOptimizer = new PackageDexOptimizer(this);
1721        mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper());
1722
1723        getDefaultDisplayMetrics(context, mMetrics);
1724
1725        SystemConfig systemConfig = SystemConfig.getInstance();
1726        mGlobalGids = systemConfig.getGlobalGids();
1727        mSystemPermissions = systemConfig.getSystemPermissions();
1728        mAvailableFeatures = systemConfig.getAvailableFeatures();
1729
1730        synchronized (mInstallLock) {
1731        // writer
1732        synchronized (mPackages) {
1733            mHandlerThread = new ServiceThread(TAG,
1734                    Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/);
1735            mHandlerThread.start();
1736            mHandler = new PackageHandler(mHandlerThread.getLooper());
1737            Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT);
1738
1739            File dataDir = Environment.getDataDirectory();
1740            mAppDataDir = new File(dataDir, "data");
1741            mAppInstallDir = new File(dataDir, "app");
1742            mAppLib32InstallDir = new File(dataDir, "app-lib");
1743            mAsecInternalPath = new File(dataDir, "app-asec").getPath();
1744            mUserAppDataDir = new File(dataDir, "user");
1745            mDrmAppPrivateInstallDir = new File(dataDir, "app-private");
1746
1747            sUserManager = new UserManagerService(context, this,
1748                    mInstallLock, mPackages);
1749
1750            // Propagate permission configuration in to package manager.
1751            ArrayMap<String, SystemConfig.PermissionEntry> permConfig
1752                    = systemConfig.getPermissions();
1753            for (int i=0; i<permConfig.size(); i++) {
1754                SystemConfig.PermissionEntry perm = permConfig.valueAt(i);
1755                BasePermission bp = mSettings.mPermissions.get(perm.name);
1756                if (bp == null) {
1757                    bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN);
1758                    mSettings.mPermissions.put(perm.name, bp);
1759                }
1760                if (perm.gids != null) {
1761                    bp.setGids(perm.gids, perm.perUser);
1762                }
1763            }
1764
1765            ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries();
1766            for (int i=0; i<libConfig.size(); i++) {
1767                mSharedLibraries.put(libConfig.keyAt(i),
1768                        new SharedLibraryEntry(libConfig.valueAt(i), null));
1769            }
1770
1771            mFoundPolicyFile = SELinuxMMAC.readInstallPolicy();
1772
1773            mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false),
1774                    mSdkVersion, mOnlyCore);
1775
1776            String customResolverActivity = Resources.getSystem().getString(
1777                    R.string.config_customResolverActivity);
1778            if (TextUtils.isEmpty(customResolverActivity)) {
1779                customResolverActivity = null;
1780            } else {
1781                mCustomResolverComponentName = ComponentName.unflattenFromString(
1782                        customResolverActivity);
1783            }
1784
1785            long startTime = SystemClock.uptimeMillis();
1786
1787            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START,
1788                    startTime);
1789
1790            // Set flag to monitor and not change apk file paths when
1791            // scanning install directories.
1792            final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING;
1793
1794            final ArraySet<String> alreadyDexOpted = new ArraySet<String>();
1795
1796            /**
1797             * Add everything in the in the boot class path to the
1798             * list of process files because dexopt will have been run
1799             * if necessary during zygote startup.
1800             */
1801            final String bootClassPath = System.getenv("BOOTCLASSPATH");
1802            final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH");
1803
1804            if (bootClassPath != null) {
1805                String[] bootClassPathElements = splitString(bootClassPath, ':');
1806                for (String element : bootClassPathElements) {
1807                    alreadyDexOpted.add(element);
1808                }
1809            } else {
1810                Slog.w(TAG, "No BOOTCLASSPATH found!");
1811            }
1812
1813            if (systemServerClassPath != null) {
1814                String[] systemServerClassPathElements = splitString(systemServerClassPath, ':');
1815                for (String element : systemServerClassPathElements) {
1816                    alreadyDexOpted.add(element);
1817                }
1818            } else {
1819                Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!");
1820            }
1821
1822            final List<String> allInstructionSets = InstructionSets.getAllInstructionSets();
1823            final String[] dexCodeInstructionSets =
1824                    getDexCodeInstructionSets(
1825                            allInstructionSets.toArray(new String[allInstructionSets.size()]));
1826
1827            /**
1828             * Ensure all external libraries have had dexopt run on them.
1829             */
1830            if (mSharedLibraries.size() > 0) {
1831                // NOTE: For now, we're compiling these system "shared libraries"
1832                // (and framework jars) into all available architectures. It's possible
1833                // to compile them only when we come across an app that uses them (there's
1834                // already logic for that in scanPackageLI) but that adds some complexity.
1835                for (String dexCodeInstructionSet : dexCodeInstructionSets) {
1836                    for (SharedLibraryEntry libEntry : mSharedLibraries.values()) {
1837                        final String lib = libEntry.path;
1838                        if (lib == null) {
1839                            continue;
1840                        }
1841
1842                        try {
1843                            int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false);
1844                            if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
1845                                alreadyDexOpted.add(lib);
1846                                mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded);
1847                            }
1848                        } catch (FileNotFoundException e) {
1849                            Slog.w(TAG, "Library not found: " + lib);
1850                        } catch (IOException e) {
1851                            Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? "
1852                                    + e.getMessage());
1853                        }
1854                    }
1855                }
1856            }
1857
1858            File frameworkDir = new File(Environment.getRootDirectory(), "framework");
1859
1860            // Gross hack for now: we know this file doesn't contain any
1861            // code, so don't dexopt it to avoid the resulting log spew.
1862            alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk");
1863
1864            // Gross hack for now: we know this file is only part of
1865            // the boot class path for art, so don't dexopt it to
1866            // avoid the resulting log spew.
1867            alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar");
1868
1869            /**
1870             * And there are a number of commands implemented in Java, which
1871             * we currently need to do the dexopt on so that they can be
1872             * run from a non-root shell.
1873             */
1874            String[] frameworkFiles = frameworkDir.list();
1875            if (frameworkFiles != null) {
1876                // TODO: We could compile these only for the most preferred ABI. We should
1877                // first double check that the dex files for these commands are not referenced
1878                // by other system apps.
1879                for (String dexCodeInstructionSet : dexCodeInstructionSets) {
1880                    for (int i=0; i<frameworkFiles.length; i++) {
1881                        File libPath = new File(frameworkDir, frameworkFiles[i]);
1882                        String path = libPath.getPath();
1883                        // Skip the file if we already did it.
1884                        if (alreadyDexOpted.contains(path)) {
1885                            continue;
1886                        }
1887                        // Skip the file if it is not a type we want to dexopt.
1888                        if (!path.endsWith(".apk") && !path.endsWith(".jar")) {
1889                            continue;
1890                        }
1891                        try {
1892                            int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false);
1893                            if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
1894                                mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded);
1895                            }
1896                        } catch (FileNotFoundException e) {
1897                            Slog.w(TAG, "Jar not found: " + path);
1898                        } catch (IOException e) {
1899                            Slog.w(TAG, "Exception reading jar: " + path, e);
1900                        }
1901                    }
1902                }
1903            }
1904
1905            // Collect vendor overlay packages.
1906            // (Do this before scanning any apps.)
1907            // For security and version matching reason, only consider
1908            // overlay packages if they reside in VENDOR_OVERLAY_DIR.
1909            File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR);
1910            scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM
1911                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0);
1912
1913            // Find base frameworks (resource packages without code).
1914            scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM
1915                    | PackageParser.PARSE_IS_SYSTEM_DIR
1916                    | PackageParser.PARSE_IS_PRIVILEGED,
1917                    scanFlags | SCAN_NO_DEX, 0);
1918
1919            // Collected privileged system packages.
1920            final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app");
1921            scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM
1922                    | PackageParser.PARSE_IS_SYSTEM_DIR
1923                    | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0);
1924
1925            // Collect ordinary system packages.
1926            final File systemAppDir = new File(Environment.getRootDirectory(), "app");
1927            scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM
1928                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
1929
1930            // Collect all vendor packages.
1931            File vendorAppDir = new File("/vendor/app");
1932            try {
1933                vendorAppDir = vendorAppDir.getCanonicalFile();
1934            } catch (IOException e) {
1935                // failed to look up canonical path, continue with original one
1936            }
1937            scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM
1938                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
1939
1940            // Collect all OEM packages.
1941            final File oemAppDir = new File(Environment.getOemDirectory(), "app");
1942            scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM
1943                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
1944
1945            if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands");
1946            mInstaller.moveFiles();
1947
1948            // Prune any system packages that no longer exist.
1949            final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>();
1950            final ArrayMap<String, File> expectingBetter = new ArrayMap<>();
1951            if (!mOnlyCore) {
1952                Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
1953                while (psit.hasNext()) {
1954                    PackageSetting ps = psit.next();
1955
1956                    /*
1957                     * If this is not a system app, it can't be a
1958                     * disable system app.
1959                     */
1960                    if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) {
1961                        continue;
1962                    }
1963
1964                    /*
1965                     * If the package is scanned, it's not erased.
1966                     */
1967                    final PackageParser.Package scannedPkg = mPackages.get(ps.name);
1968                    if (scannedPkg != null) {
1969                        /*
1970                         * If the system app is both scanned and in the
1971                         * disabled packages list, then it must have been
1972                         * added via OTA. Remove it from the currently
1973                         * scanned package so the previously user-installed
1974                         * application can be scanned.
1975                         */
1976                        if (mSettings.isDisabledSystemPackageLPr(ps.name)) {
1977                            logCriticalInfo(Log.WARN, "Expecting better updated system app for "
1978                                    + ps.name + "; removing system app.  Last known codePath="
1979                                    + ps.codePathString + ", installStatus=" + ps.installStatus
1980                                    + ", versionCode=" + ps.versionCode + "; scanned versionCode="
1981                                    + scannedPkg.mVersionCode);
1982                            removePackageLI(ps, true);
1983                            expectingBetter.put(ps.name, ps.codePath);
1984                        }
1985
1986                        continue;
1987                    }
1988
1989                    if (!mSettings.isDisabledSystemPackageLPr(ps.name)) {
1990                        psit.remove();
1991                        logCriticalInfo(Log.WARN, "System package " + ps.name
1992                                + " no longer exists; wiping its data");
1993                        removeDataDirsLI(null, ps.name);
1994                    } else {
1995                        final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name);
1996                        if (disabledPs.codePath == null || !disabledPs.codePath.exists()) {
1997                            possiblyDeletedUpdatedSystemApps.add(ps.name);
1998                        }
1999                    }
2000                }
2001            }
2002
2003            //look for any incomplete package installations
2004            ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr();
2005            //clean up list
2006            for(int i = 0; i < deletePkgsList.size(); i++) {
2007                //clean up here
2008                cleanupInstallFailedPackage(deletePkgsList.get(i));
2009            }
2010            //delete tmp files
2011            deleteTempPackageFiles();
2012
2013            // Remove any shared userIDs that have no associated packages
2014            mSettings.pruneSharedUsersLPw();
2015
2016            if (!mOnlyCore) {
2017                EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START,
2018                        SystemClock.uptimeMillis());
2019                scanDirLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0);
2020
2021                scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK,
2022                        scanFlags | SCAN_REQUIRE_KNOWN, 0);
2023
2024                /**
2025                 * Remove disable package settings for any updated system
2026                 * apps that were removed via an OTA. If they're not a
2027                 * previously-updated app, remove them completely.
2028                 * Otherwise, just revoke their system-level permissions.
2029                 */
2030                for (String deletedAppName : possiblyDeletedUpdatedSystemApps) {
2031                    PackageParser.Package deletedPkg = mPackages.get(deletedAppName);
2032                    mSettings.removeDisabledSystemPackageLPw(deletedAppName);
2033
2034                    String msg;
2035                    if (deletedPkg == null) {
2036                        msg = "Updated system package " + deletedAppName
2037                                + " no longer exists; wiping its data";
2038                        removeDataDirsLI(null, deletedAppName);
2039                    } else {
2040                        msg = "Updated system app + " + deletedAppName
2041                                + " no longer present; removing system privileges for "
2042                                + deletedAppName;
2043
2044                        deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM;
2045
2046                        PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName);
2047                        deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM;
2048                    }
2049                    logCriticalInfo(Log.WARN, msg);
2050                }
2051
2052                /**
2053                 * Make sure all system apps that we expected to appear on
2054                 * the userdata partition actually showed up. If they never
2055                 * appeared, crawl back and revive the system version.
2056                 */
2057                for (int i = 0; i < expectingBetter.size(); i++) {
2058                    final String packageName = expectingBetter.keyAt(i);
2059                    if (!mPackages.containsKey(packageName)) {
2060                        final File scanFile = expectingBetter.valueAt(i);
2061
2062                        logCriticalInfo(Log.WARN, "Expected better " + packageName
2063                                + " but never showed up; reverting to system");
2064
2065                        final int reparseFlags;
2066                        if (FileUtils.contains(privilegedAppDir, scanFile)) {
2067                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2068                                    | PackageParser.PARSE_IS_SYSTEM_DIR
2069                                    | PackageParser.PARSE_IS_PRIVILEGED;
2070                        } else if (FileUtils.contains(systemAppDir, scanFile)) {
2071                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2072                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
2073                        } else if (FileUtils.contains(vendorAppDir, scanFile)) {
2074                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2075                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
2076                        } else if (FileUtils.contains(oemAppDir, scanFile)) {
2077                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2078                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
2079                        } else {
2080                            Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile);
2081                            continue;
2082                        }
2083
2084                        mSettings.enableSystemPackageLPw(packageName);
2085
2086                        try {
2087                            scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null);
2088                        } catch (PackageManagerException e) {
2089                            Slog.e(TAG, "Failed to parse original system package: "
2090                                    + e.getMessage());
2091                        }
2092                    }
2093                }
2094            }
2095
2096            // Now that we know all of the shared libraries, update all clients to have
2097            // the correct library paths.
2098            updateAllSharedLibrariesLPw();
2099
2100            for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) {
2101                // NOTE: We ignore potential failures here during a system scan (like
2102                // the rest of the commands above) because there's precious little we
2103                // can do about it. A settings error is reported, though.
2104                adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */,
2105                        false /* force dexopt */, false /* defer dexopt */);
2106            }
2107
2108            // Now that we know all the packages we are keeping,
2109            // read and update their last usage times.
2110            mPackageUsage.readLP();
2111
2112            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END,
2113                    SystemClock.uptimeMillis());
2114            Slog.i(TAG, "Time to scan packages: "
2115                    + ((SystemClock.uptimeMillis()-startTime)/1000f)
2116                    + " seconds");
2117
2118            // If the platform SDK has changed since the last time we booted,
2119            // we need to re-grant app permission to catch any new ones that
2120            // appear.  This is really a hack, and means that apps can in some
2121            // cases get permissions that the user didn't initially explicitly
2122            // allow...  it would be nice to have some better way to handle
2123            // this situation.
2124            final boolean regrantPermissions = mSettings.mInternalSdkPlatform
2125                    != mSdkVersion;
2126            if (regrantPermissions) Slog.i(TAG, "Platform changed from "
2127                    + mSettings.mInternalSdkPlatform + " to " + mSdkVersion
2128                    + "; regranting permissions for internal storage");
2129            mSettings.mInternalSdkPlatform = mSdkVersion;
2130
2131            // For now runtime permissions are toggled via a system property.
2132            if (!RUNTIME_PERMISSIONS_ENABLED) {
2133                // Remove the runtime permissions state if the feature
2134                // was disabled by flipping the system property.
2135                mSettings.deleteRuntimePermissionsFiles();
2136            }
2137
2138            updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
2139                    | (regrantPermissions
2140                            ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
2141                            : 0));
2142
2143            // If this is the first boot, and it is a normal boot, then
2144            // we need to initialize the default preferred apps.
2145            if (!mRestoredSettings && !onlyCore) {
2146                mSettings.readDefaultPreferredAppsLPw(this, 0);
2147            }
2148
2149            // If this is first boot after an OTA, and a normal boot, then
2150            // we need to clear code cache directories.
2151            mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint);
2152            if (mIsUpgrade && !onlyCore) {
2153                Slog.i(TAG, "Build fingerprint changed; clearing code caches");
2154                for (int i = 0; i < mSettings.mPackages.size(); i++) {
2155                    final PackageSetting ps = mSettings.mPackages.valueAt(i);
2156                    deleteCodeCacheDirsLI(ps.volumeUuid, ps.name);
2157                }
2158                mSettings.mFingerprint = Build.FINGERPRINT;
2159            }
2160
2161            // All the changes are done during package scanning.
2162            mSettings.updateInternalDatabaseVersion();
2163
2164            // can downgrade to reader
2165            mSettings.writeLPr();
2166
2167            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY,
2168                    SystemClock.uptimeMillis());
2169
2170            mRequiredVerifierPackage = getRequiredVerifierLPr();
2171
2172            mInstallerService = new PackageInstallerService(context, this);
2173
2174            mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr();
2175            mIntentFilterVerifier = new IntentVerifierProxy(mContext,
2176                    mIntentFilterVerifierComponent);
2177
2178            primeDomainVerificationsLPw(false);
2179
2180        } // synchronized (mPackages)
2181        } // synchronized (mInstallLock)
2182
2183        // Now after opening every single application zip, make sure they
2184        // are all flushed.  Not really needed, but keeps things nice and
2185        // tidy.
2186        Runtime.getRuntime().gc();
2187    }
2188
2189    @Override
2190    public boolean isFirstBoot() {
2191        return !mRestoredSettings;
2192    }
2193
2194    @Override
2195    public boolean isOnlyCoreApps() {
2196        return mOnlyCore;
2197    }
2198
2199    @Override
2200    public boolean isUpgrade() {
2201        return mIsUpgrade;
2202    }
2203
2204    private String getRequiredVerifierLPr() {
2205        final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
2206        final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE,
2207                PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */);
2208
2209        String requiredVerifier = null;
2210
2211        final int N = receivers.size();
2212        for (int i = 0; i < N; i++) {
2213            final ResolveInfo info = receivers.get(i);
2214
2215            if (info.activityInfo == null) {
2216                continue;
2217            }
2218
2219            final String packageName = info.activityInfo.packageName;
2220
2221            if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
2222                    packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) {
2223                continue;
2224            }
2225
2226            if (requiredVerifier != null) {
2227                throw new RuntimeException("There can be only one required verifier");
2228            }
2229
2230            requiredVerifier = packageName;
2231        }
2232
2233        return requiredVerifier;
2234    }
2235
2236    private ComponentName getIntentFilterVerifierComponentNameLPr() {
2237        final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION);
2238        final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE,
2239                PackageManager.GET_DISABLED_COMPONENTS, 0 /* userId */);
2240
2241        ComponentName verifierComponentName = null;
2242
2243        int priority = -1000;
2244        final int N = receivers.size();
2245        for (int i = 0; i < N; i++) {
2246            final ResolveInfo info = receivers.get(i);
2247
2248            if (info.activityInfo == null) {
2249                continue;
2250            }
2251
2252            final String packageName = info.activityInfo.packageName;
2253
2254            final PackageSetting ps = mSettings.mPackages.get(packageName);
2255            if (ps == null) {
2256                continue;
2257            }
2258
2259            if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT,
2260                    packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) {
2261                continue;
2262            }
2263
2264            // Select the IntentFilterVerifier with the highest priority
2265            if (priority < info.priority) {
2266                priority = info.priority;
2267                verifierComponentName = new ComponentName(packageName, info.activityInfo.name);
2268                Slog.d(TAG, "Selecting IntentFilterVerifier: " + verifierComponentName +
2269                        " with priority: " + info.priority);
2270            }
2271        }
2272
2273        return verifierComponentName;
2274    }
2275
2276    private void primeDomainVerificationsLPw(boolean logging) {
2277        Slog.d(TAG, "Start priming domain verification");
2278        boolean updated = false;
2279        ArrayList<String> allHosts = new ArrayList<>();
2280        for (PackageParser.Package pkg : mPackages.values()) {
2281            final String packageName = pkg.packageName;
2282            if (!hasDomainURLs(pkg)) {
2283                if (logging) {
2284                    Slog.d(TAG, "No priming domain verifications for " +
2285                            "package with no domain URLs: " + packageName);
2286                }
2287                continue;
2288            }
2289            if (!pkg.isSystemApp()) {
2290                if (logging) {
2291                    Slog.d(TAG, "No priming domain verifications for a non system package : " +
2292                            packageName);
2293                }
2294                continue;
2295            }
2296            for (PackageParser.Activity a : pkg.activities) {
2297                for (ActivityIntentInfo filter : a.intents) {
2298                    if (hasValidDomains(filter, false)) {
2299                        allHosts.addAll(filter.getHostsList());
2300                    }
2301                }
2302            }
2303            if (allHosts.size() == 0) {
2304                allHosts.add("*");
2305            }
2306            IntentFilterVerificationInfo ivi =
2307                    mSettings.createIntentFilterVerificationIfNeededLPw(packageName, allHosts);
2308            if (ivi != null) {
2309                // We will always log this
2310                Slog.d(TAG, "Priming domain verifications for package: " + packageName);
2311                ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS);
2312                updated = true;
2313            }
2314            else {
2315                if (logging) {
2316                    Slog.d(TAG, "No priming domain verifications for package: " + packageName);
2317                }
2318            }
2319            allHosts.clear();
2320        }
2321        if (updated) {
2322            scheduleWriteSettingsLocked();
2323        }
2324        Slog.d(TAG, "End priming domain verification");
2325    }
2326
2327    @Override
2328    public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
2329            throws RemoteException {
2330        try {
2331            return super.onTransact(code, data, reply, flags);
2332        } catch (RuntimeException e) {
2333            if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) {
2334                Slog.wtf(TAG, "Package Manager Crash", e);
2335            }
2336            throw e;
2337        }
2338    }
2339
2340    void cleanupInstallFailedPackage(PackageSetting ps) {
2341        logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name);
2342
2343        removeDataDirsLI(ps.volumeUuid, ps.name);
2344        if (ps.codePath != null) {
2345            if (ps.codePath.isDirectory()) {
2346                mInstaller.rmPackageDir(ps.codePath.getAbsolutePath());
2347            } else {
2348                ps.codePath.delete();
2349            }
2350        }
2351        if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) {
2352            if (ps.resourcePath.isDirectory()) {
2353                FileUtils.deleteContents(ps.resourcePath);
2354            }
2355            ps.resourcePath.delete();
2356        }
2357        mSettings.removePackageLPw(ps.name);
2358    }
2359
2360    static int[] appendInts(int[] cur, int[] add) {
2361        if (add == null) return cur;
2362        if (cur == null) return add;
2363        final int N = add.length;
2364        for (int i=0; i<N; i++) {
2365            cur = appendInt(cur, add[i]);
2366        }
2367        return cur;
2368    }
2369
2370    PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) {
2371        if (!sUserManager.exists(userId)) return null;
2372        final PackageSetting ps = (PackageSetting) p.mExtras;
2373        if (ps == null) {
2374            return null;
2375        }
2376
2377        final PermissionsState permissionsState = ps.getPermissionsState();
2378
2379        final int[] gids = permissionsState.computeGids(userId);
2380        final Set<String> permissions = permissionsState.getPermissions(userId);
2381        final PackageUserState state = ps.readUserState(userId);
2382
2383        return PackageParser.generatePackageInfo(p, gids, flags,
2384                ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId);
2385    }
2386
2387    @Override
2388    public boolean isPackageFrozen(String packageName) {
2389        synchronized (mPackages) {
2390            final PackageSetting ps = mSettings.mPackages.get(packageName);
2391            if (ps != null) {
2392                return ps.frozen;
2393            }
2394        }
2395        Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen");
2396        return true;
2397    }
2398
2399    @Override
2400    public boolean isPackageAvailable(String packageName, int userId) {
2401        if (!sUserManager.exists(userId)) return false;
2402        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available");
2403        synchronized (mPackages) {
2404            PackageParser.Package p = mPackages.get(packageName);
2405            if (p != null) {
2406                final PackageSetting ps = (PackageSetting) p.mExtras;
2407                if (ps != null) {
2408                    final PackageUserState state = ps.readUserState(userId);
2409                    if (state != null) {
2410                        return PackageParser.isAvailable(state);
2411                    }
2412                }
2413            }
2414        }
2415        return false;
2416    }
2417
2418    @Override
2419    public PackageInfo getPackageInfo(String packageName, int flags, int userId) {
2420        if (!sUserManager.exists(userId)) return null;
2421        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info");
2422        // reader
2423        synchronized (mPackages) {
2424            PackageParser.Package p = mPackages.get(packageName);
2425            if (DEBUG_PACKAGE_INFO)
2426                Log.v(TAG, "getPackageInfo " + packageName + ": " + p);
2427            if (p != null) {
2428                return generatePackageInfo(p, flags, userId);
2429            }
2430            if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
2431                return generatePackageInfoFromSettingsLPw(packageName, flags, userId);
2432            }
2433        }
2434        return null;
2435    }
2436
2437    @Override
2438    public String[] currentToCanonicalPackageNames(String[] names) {
2439        String[] out = new String[names.length];
2440        // reader
2441        synchronized (mPackages) {
2442            for (int i=names.length-1; i>=0; i--) {
2443                PackageSetting ps = mSettings.mPackages.get(names[i]);
2444                out[i] = ps != null && ps.realName != null ? ps.realName : names[i];
2445            }
2446        }
2447        return out;
2448    }
2449
2450    @Override
2451    public String[] canonicalToCurrentPackageNames(String[] names) {
2452        String[] out = new String[names.length];
2453        // reader
2454        synchronized (mPackages) {
2455            for (int i=names.length-1; i>=0; i--) {
2456                String cur = mSettings.mRenamedPackages.get(names[i]);
2457                out[i] = cur != null ? cur : names[i];
2458            }
2459        }
2460        return out;
2461    }
2462
2463    @Override
2464    public int getPackageUid(String packageName, int userId) {
2465        if (!sUserManager.exists(userId)) return -1;
2466        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid");
2467
2468        // reader
2469        synchronized (mPackages) {
2470            PackageParser.Package p = mPackages.get(packageName);
2471            if(p != null) {
2472                return UserHandle.getUid(userId, p.applicationInfo.uid);
2473            }
2474            PackageSetting ps = mSettings.mPackages.get(packageName);
2475            if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) {
2476                return -1;
2477            }
2478            p = ps.pkg;
2479            return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1;
2480        }
2481    }
2482
2483    @Override
2484    public int[] getPackageGids(String packageName, int userId) throws RemoteException {
2485        if (!sUserManager.exists(userId)) {
2486            return null;
2487        }
2488
2489        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false,
2490                "getPackageGids");
2491
2492        // reader
2493        synchronized (mPackages) {
2494            PackageParser.Package p = mPackages.get(packageName);
2495            if (DEBUG_PACKAGE_INFO) {
2496                Log.v(TAG, "getPackageGids" + packageName + ": " + p);
2497            }
2498            if (p != null) {
2499                PackageSetting ps = (PackageSetting) p.mExtras;
2500                return ps.getPermissionsState().computeGids(userId);
2501            }
2502        }
2503
2504        return null;
2505    }
2506
2507    static PermissionInfo generatePermissionInfo(
2508            BasePermission bp, int flags) {
2509        if (bp.perm != null) {
2510            return PackageParser.generatePermissionInfo(bp.perm, flags);
2511        }
2512        PermissionInfo pi = new PermissionInfo();
2513        pi.name = bp.name;
2514        pi.packageName = bp.sourcePackage;
2515        pi.nonLocalizedLabel = bp.name;
2516        pi.protectionLevel = bp.protectionLevel;
2517        return pi;
2518    }
2519
2520    @Override
2521    public PermissionInfo getPermissionInfo(String name, int flags) {
2522        // reader
2523        synchronized (mPackages) {
2524            final BasePermission p = mSettings.mPermissions.get(name);
2525            if (p != null) {
2526                return generatePermissionInfo(p, flags);
2527            }
2528            return null;
2529        }
2530    }
2531
2532    @Override
2533    public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) {
2534        // reader
2535        synchronized (mPackages) {
2536            ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10);
2537            for (BasePermission p : mSettings.mPermissions.values()) {
2538                if (group == null) {
2539                    if (p.perm == null || p.perm.info.group == null) {
2540                        out.add(generatePermissionInfo(p, flags));
2541                    }
2542                } else {
2543                    if (p.perm != null && group.equals(p.perm.info.group)) {
2544                        out.add(PackageParser.generatePermissionInfo(p.perm, flags));
2545                    }
2546                }
2547            }
2548
2549            if (out.size() > 0) {
2550                return out;
2551            }
2552            return mPermissionGroups.containsKey(group) ? out : null;
2553        }
2554    }
2555
2556    @Override
2557    public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) {
2558        // reader
2559        synchronized (mPackages) {
2560            return PackageParser.generatePermissionGroupInfo(
2561                    mPermissionGroups.get(name), flags);
2562        }
2563    }
2564
2565    @Override
2566    public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
2567        // reader
2568        synchronized (mPackages) {
2569            final int N = mPermissionGroups.size();
2570            ArrayList<PermissionGroupInfo> out
2571                    = new ArrayList<PermissionGroupInfo>(N);
2572            for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) {
2573                out.add(PackageParser.generatePermissionGroupInfo(pg, flags));
2574            }
2575            return out;
2576        }
2577    }
2578
2579    private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags,
2580            int userId) {
2581        if (!sUserManager.exists(userId)) return null;
2582        PackageSetting ps = mSettings.mPackages.get(packageName);
2583        if (ps != null) {
2584            if (ps.pkg == null) {
2585                PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName,
2586                        flags, userId);
2587                if (pInfo != null) {
2588                    return pInfo.applicationInfo;
2589                }
2590                return null;
2591            }
2592            return PackageParser.generateApplicationInfo(ps.pkg, flags,
2593                    ps.readUserState(userId), userId);
2594        }
2595        return null;
2596    }
2597
2598    private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags,
2599            int userId) {
2600        if (!sUserManager.exists(userId)) return null;
2601        PackageSetting ps = mSettings.mPackages.get(packageName);
2602        if (ps != null) {
2603            PackageParser.Package pkg = ps.pkg;
2604            if (pkg == null) {
2605                if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) {
2606                    return null;
2607                }
2608                // Only data remains, so we aren't worried about code paths
2609                pkg = new PackageParser.Package(packageName);
2610                pkg.applicationInfo.packageName = packageName;
2611                pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY;
2612                pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags;
2613                pkg.applicationInfo.dataDir = PackageManager.getDataDirForUser(ps.volumeUuid,
2614                        packageName, userId).getAbsolutePath();
2615                pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString;
2616                pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString;
2617            }
2618            return generatePackageInfo(pkg, flags, userId);
2619        }
2620        return null;
2621    }
2622
2623    @Override
2624    public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) {
2625        if (!sUserManager.exists(userId)) return null;
2626        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info");
2627        // writer
2628        synchronized (mPackages) {
2629            PackageParser.Package p = mPackages.get(packageName);
2630            if (DEBUG_PACKAGE_INFO) Log.v(
2631                    TAG, "getApplicationInfo " + packageName
2632                    + ": " + p);
2633            if (p != null) {
2634                PackageSetting ps = mSettings.mPackages.get(packageName);
2635                if (ps == null) return null;
2636                // Note: isEnabledLP() does not apply here - always return info
2637                return PackageParser.generateApplicationInfo(
2638                        p, flags, ps.readUserState(userId), userId);
2639            }
2640            if ("android".equals(packageName)||"system".equals(packageName)) {
2641                return mAndroidApplication;
2642            }
2643            if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
2644                return generateApplicationInfoFromSettingsLPw(packageName, flags, userId);
2645            }
2646        }
2647        return null;
2648    }
2649
2650    @Override
2651    public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize,
2652            final IPackageDataObserver observer) {
2653        mContext.enforceCallingOrSelfPermission(
2654                android.Manifest.permission.CLEAR_APP_CACHE, null);
2655        // Queue up an async operation since clearing cache may take a little while.
2656        mHandler.post(new Runnable() {
2657            public void run() {
2658                mHandler.removeCallbacks(this);
2659                int retCode = -1;
2660                synchronized (mInstallLock) {
2661                    retCode = mInstaller.freeCache(volumeUuid, freeStorageSize);
2662                    if (retCode < 0) {
2663                        Slog.w(TAG, "Couldn't clear application caches");
2664                    }
2665                }
2666                if (observer != null) {
2667                    try {
2668                        observer.onRemoveCompleted(null, (retCode >= 0));
2669                    } catch (RemoteException e) {
2670                        Slog.w(TAG, "RemoveException when invoking call back");
2671                    }
2672                }
2673            }
2674        });
2675    }
2676
2677    @Override
2678    public void freeStorage(final String volumeUuid, final long freeStorageSize,
2679            final IntentSender pi) {
2680        mContext.enforceCallingOrSelfPermission(
2681                android.Manifest.permission.CLEAR_APP_CACHE, null);
2682        // Queue up an async operation since clearing cache may take a little while.
2683        mHandler.post(new Runnable() {
2684            public void run() {
2685                mHandler.removeCallbacks(this);
2686                int retCode = -1;
2687                synchronized (mInstallLock) {
2688                    retCode = mInstaller.freeCache(volumeUuid, freeStorageSize);
2689                    if (retCode < 0) {
2690                        Slog.w(TAG, "Couldn't clear application caches");
2691                    }
2692                }
2693                if(pi != null) {
2694                    try {
2695                        // Callback via pending intent
2696                        int code = (retCode >= 0) ? 1 : 0;
2697                        pi.sendIntent(null, code, null,
2698                                null, null);
2699                    } catch (SendIntentException e1) {
2700                        Slog.i(TAG, "Failed to send pending intent");
2701                    }
2702                }
2703            }
2704        });
2705    }
2706
2707    void freeStorage(String volumeUuid, long freeStorageSize) throws IOException {
2708        synchronized (mInstallLock) {
2709            if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) {
2710                throw new IOException("Failed to free enough space");
2711            }
2712        }
2713    }
2714
2715    @Override
2716    public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) {
2717        if (!sUserManager.exists(userId)) return null;
2718        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info");
2719        synchronized (mPackages) {
2720            PackageParser.Activity a = mActivities.mActivities.get(component);
2721
2722            if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a);
2723            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
2724                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2725                if (ps == null) return null;
2726                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
2727                        userId);
2728            }
2729            if (mResolveComponentName.equals(component)) {
2730                return PackageParser.generateActivityInfo(mResolveActivity, flags,
2731                        new PackageUserState(), userId);
2732            }
2733        }
2734        return null;
2735    }
2736
2737    @Override
2738    public boolean activitySupportsIntent(ComponentName component, Intent intent,
2739            String resolvedType) {
2740        synchronized (mPackages) {
2741            PackageParser.Activity a = mActivities.mActivities.get(component);
2742            if (a == null) {
2743                return false;
2744            }
2745            for (int i=0; i<a.intents.size(); i++) {
2746                if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(),
2747                        intent.getData(), intent.getCategories(), TAG) >= 0) {
2748                    return true;
2749                }
2750            }
2751            return false;
2752        }
2753    }
2754
2755    @Override
2756    public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) {
2757        if (!sUserManager.exists(userId)) return null;
2758        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info");
2759        synchronized (mPackages) {
2760            PackageParser.Activity a = mReceivers.mActivities.get(component);
2761            if (DEBUG_PACKAGE_INFO) Log.v(
2762                TAG, "getReceiverInfo " + component + ": " + a);
2763            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
2764                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2765                if (ps == null) return null;
2766                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
2767                        userId);
2768            }
2769        }
2770        return null;
2771    }
2772
2773    @Override
2774    public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) {
2775        if (!sUserManager.exists(userId)) return null;
2776        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info");
2777        synchronized (mPackages) {
2778            PackageParser.Service s = mServices.mServices.get(component);
2779            if (DEBUG_PACKAGE_INFO) Log.v(
2780                TAG, "getServiceInfo " + component + ": " + s);
2781            if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) {
2782                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2783                if (ps == null) return null;
2784                return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId),
2785                        userId);
2786            }
2787        }
2788        return null;
2789    }
2790
2791    @Override
2792    public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) {
2793        if (!sUserManager.exists(userId)) return null;
2794        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info");
2795        synchronized (mPackages) {
2796            PackageParser.Provider p = mProviders.mProviders.get(component);
2797            if (DEBUG_PACKAGE_INFO) Log.v(
2798                TAG, "getProviderInfo " + component + ": " + p);
2799            if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) {
2800                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2801                if (ps == null) return null;
2802                return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId),
2803                        userId);
2804            }
2805        }
2806        return null;
2807    }
2808
2809    @Override
2810    public String[] getSystemSharedLibraryNames() {
2811        Set<String> libSet;
2812        synchronized (mPackages) {
2813            libSet = mSharedLibraries.keySet();
2814            int size = libSet.size();
2815            if (size > 0) {
2816                String[] libs = new String[size];
2817                libSet.toArray(libs);
2818                return libs;
2819            }
2820        }
2821        return null;
2822    }
2823
2824    /**
2825     * @hide
2826     */
2827    PackageParser.Package findSharedNonSystemLibrary(String libName) {
2828        synchronized (mPackages) {
2829            PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName);
2830            if (lib != null && lib.apk != null) {
2831                return mPackages.get(lib.apk);
2832            }
2833        }
2834        return null;
2835    }
2836
2837    @Override
2838    public FeatureInfo[] getSystemAvailableFeatures() {
2839        Collection<FeatureInfo> featSet;
2840        synchronized (mPackages) {
2841            featSet = mAvailableFeatures.values();
2842            int size = featSet.size();
2843            if (size > 0) {
2844                FeatureInfo[] features = new FeatureInfo[size+1];
2845                featSet.toArray(features);
2846                FeatureInfo fi = new FeatureInfo();
2847                fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version",
2848                        FeatureInfo.GL_ES_VERSION_UNDEFINED);
2849                features[size] = fi;
2850                return features;
2851            }
2852        }
2853        return null;
2854    }
2855
2856    @Override
2857    public boolean hasSystemFeature(String name) {
2858        synchronized (mPackages) {
2859            return mAvailableFeatures.containsKey(name);
2860        }
2861    }
2862
2863    private void checkValidCaller(int uid, int userId) {
2864        if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0)
2865            return;
2866
2867        throw new SecurityException("Caller uid=" + uid
2868                + " is not privileged to communicate with user=" + userId);
2869    }
2870
2871    @Override
2872    public int checkPermission(String permName, String pkgName, int userId) {
2873        if (!sUserManager.exists(userId)) {
2874            return PackageManager.PERMISSION_DENIED;
2875        }
2876
2877        synchronized (mPackages) {
2878            final PackageParser.Package p = mPackages.get(pkgName);
2879            if (p != null && p.mExtras != null) {
2880                final PackageSetting ps = (PackageSetting) p.mExtras;
2881                if (ps.getPermissionsState().hasPermission(permName, userId)) {
2882                    return PackageManager.PERMISSION_GRANTED;
2883                }
2884            }
2885        }
2886
2887        return PackageManager.PERMISSION_DENIED;
2888    }
2889
2890    @Override
2891    public int checkUidPermission(String permName, int uid) {
2892        final int userId = UserHandle.getUserId(uid);
2893
2894        if (!sUserManager.exists(userId)) {
2895            return PackageManager.PERMISSION_DENIED;
2896        }
2897
2898        synchronized (mPackages) {
2899            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
2900            if (obj != null) {
2901                final SettingBase ps = (SettingBase) obj;
2902                if (ps.getPermissionsState().hasPermission(permName, userId)) {
2903                    return PackageManager.PERMISSION_GRANTED;
2904                }
2905            } else {
2906                ArraySet<String> perms = mSystemPermissions.get(uid);
2907                if (perms != null && perms.contains(permName)) {
2908                    return PackageManager.PERMISSION_GRANTED;
2909                }
2910            }
2911        }
2912
2913        return PackageManager.PERMISSION_DENIED;
2914    }
2915
2916    /**
2917     * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS
2918     * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller.
2919     * @param checkShell TODO(yamasani):
2920     * @param message the message to log on security exception
2921     */
2922    void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission,
2923            boolean checkShell, String message) {
2924        if (userId < 0) {
2925            throw new IllegalArgumentException("Invalid userId " + userId);
2926        }
2927        if (checkShell) {
2928            enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId);
2929        }
2930        if (userId == UserHandle.getUserId(callingUid)) return;
2931        if (callingUid != Process.SYSTEM_UID && callingUid != 0) {
2932            if (requireFullPermission) {
2933                mContext.enforceCallingOrSelfPermission(
2934                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
2935            } else {
2936                try {
2937                    mContext.enforceCallingOrSelfPermission(
2938                            android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
2939                } catch (SecurityException se) {
2940                    mContext.enforceCallingOrSelfPermission(
2941                            android.Manifest.permission.INTERACT_ACROSS_USERS, message);
2942                }
2943            }
2944        }
2945    }
2946
2947    void enforceShellRestriction(String restriction, int callingUid, int userHandle) {
2948        if (callingUid == Process.SHELL_UID) {
2949            if (userHandle >= 0
2950                    && sUserManager.hasUserRestriction(restriction, userHandle)) {
2951                throw new SecurityException("Shell does not have permission to access user "
2952                        + userHandle);
2953            } else if (userHandle < 0) {
2954                Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t"
2955                        + Debug.getCallers(3));
2956            }
2957        }
2958    }
2959
2960    private BasePermission findPermissionTreeLP(String permName) {
2961        for(BasePermission bp : mSettings.mPermissionTrees.values()) {
2962            if (permName.startsWith(bp.name) &&
2963                    permName.length() > bp.name.length() &&
2964                    permName.charAt(bp.name.length()) == '.') {
2965                return bp;
2966            }
2967        }
2968        return null;
2969    }
2970
2971    private BasePermission checkPermissionTreeLP(String permName) {
2972        if (permName != null) {
2973            BasePermission bp = findPermissionTreeLP(permName);
2974            if (bp != null) {
2975                if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) {
2976                    return bp;
2977                }
2978                throw new SecurityException("Calling uid "
2979                        + Binder.getCallingUid()
2980                        + " is not allowed to add to permission tree "
2981                        + bp.name + " owned by uid " + bp.uid);
2982            }
2983        }
2984        throw new SecurityException("No permission tree found for " + permName);
2985    }
2986
2987    static boolean compareStrings(CharSequence s1, CharSequence s2) {
2988        if (s1 == null) {
2989            return s2 == null;
2990        }
2991        if (s2 == null) {
2992            return false;
2993        }
2994        if (s1.getClass() != s2.getClass()) {
2995            return false;
2996        }
2997        return s1.equals(s2);
2998    }
2999
3000    static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) {
3001        if (pi1.icon != pi2.icon) return false;
3002        if (pi1.logo != pi2.logo) return false;
3003        if (pi1.protectionLevel != pi2.protectionLevel) return false;
3004        if (!compareStrings(pi1.name, pi2.name)) return false;
3005        if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false;
3006        // We'll take care of setting this one.
3007        if (!compareStrings(pi1.packageName, pi2.packageName)) return false;
3008        // These are not currently stored in settings.
3009        //if (!compareStrings(pi1.group, pi2.group)) return false;
3010        //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false;
3011        //if (pi1.labelRes != pi2.labelRes) return false;
3012        //if (pi1.descriptionRes != pi2.descriptionRes) return false;
3013        return true;
3014    }
3015
3016    int permissionInfoFootprint(PermissionInfo info) {
3017        int size = info.name.length();
3018        if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length();
3019        if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length();
3020        return size;
3021    }
3022
3023    int calculateCurrentPermissionFootprintLocked(BasePermission tree) {
3024        int size = 0;
3025        for (BasePermission perm : mSettings.mPermissions.values()) {
3026            if (perm.uid == tree.uid) {
3027                size += perm.name.length() + permissionInfoFootprint(perm.perm.info);
3028            }
3029        }
3030        return size;
3031    }
3032
3033    void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) {
3034        // We calculate the max size of permissions defined by this uid and throw
3035        // if that plus the size of 'info' would exceed our stated maximum.
3036        if (tree.uid != Process.SYSTEM_UID) {
3037            final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree);
3038            if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) {
3039                throw new SecurityException("Permission tree size cap exceeded");
3040            }
3041        }
3042    }
3043
3044    boolean addPermissionLocked(PermissionInfo info, boolean async) {
3045        if (info.labelRes == 0 && info.nonLocalizedLabel == null) {
3046            throw new SecurityException("Label must be specified in permission");
3047        }
3048        BasePermission tree = checkPermissionTreeLP(info.name);
3049        BasePermission bp = mSettings.mPermissions.get(info.name);
3050        boolean added = bp == null;
3051        boolean changed = true;
3052        int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel);
3053        if (added) {
3054            enforcePermissionCapLocked(info, tree);
3055            bp = new BasePermission(info.name, tree.sourcePackage,
3056                    BasePermission.TYPE_DYNAMIC);
3057        } else if (bp.type != BasePermission.TYPE_DYNAMIC) {
3058            throw new SecurityException(
3059                    "Not allowed to modify non-dynamic permission "
3060                    + info.name);
3061        } else {
3062            if (bp.protectionLevel == fixedLevel
3063                    && bp.perm.owner.equals(tree.perm.owner)
3064                    && bp.uid == tree.uid
3065                    && comparePermissionInfos(bp.perm.info, info)) {
3066                changed = false;
3067            }
3068        }
3069        bp.protectionLevel = fixedLevel;
3070        info = new PermissionInfo(info);
3071        info.protectionLevel = fixedLevel;
3072        bp.perm = new PackageParser.Permission(tree.perm.owner, info);
3073        bp.perm.info.packageName = tree.perm.info.packageName;
3074        bp.uid = tree.uid;
3075        if (added) {
3076            mSettings.mPermissions.put(info.name, bp);
3077        }
3078        if (changed) {
3079            if (!async) {
3080                mSettings.writeLPr();
3081            } else {
3082                scheduleWriteSettingsLocked();
3083            }
3084        }
3085        return added;
3086    }
3087
3088    @Override
3089    public boolean addPermission(PermissionInfo info) {
3090        synchronized (mPackages) {
3091            return addPermissionLocked(info, false);
3092        }
3093    }
3094
3095    @Override
3096    public boolean addPermissionAsync(PermissionInfo info) {
3097        synchronized (mPackages) {
3098            return addPermissionLocked(info, true);
3099        }
3100    }
3101
3102    @Override
3103    public void removePermission(String name) {
3104        synchronized (mPackages) {
3105            checkPermissionTreeLP(name);
3106            BasePermission bp = mSettings.mPermissions.get(name);
3107            if (bp != null) {
3108                if (bp.type != BasePermission.TYPE_DYNAMIC) {
3109                    throw new SecurityException(
3110                            "Not allowed to modify non-dynamic permission "
3111                            + name);
3112                }
3113                mSettings.mPermissions.remove(name);
3114                mSettings.writeLPr();
3115            }
3116        }
3117    }
3118
3119    private static void enforceDeclaredAsUsedAndRuntimePermission(PackageParser.Package pkg,
3120            BasePermission bp) {
3121        int index = pkg.requestedPermissions.indexOf(bp.name);
3122        if (index == -1) {
3123            throw new SecurityException("Package " + pkg.packageName
3124                    + " has not requested permission " + bp.name);
3125        }
3126        if (!bp.isRuntime()) {
3127            throw new SecurityException("Permission " + bp.name
3128                    + " is not a changeable permission type");
3129        }
3130    }
3131
3132    @Override
3133    public boolean grantPermission(String packageName, String name, int userId) {
3134        if (!RUNTIME_PERMISSIONS_ENABLED) {
3135            return false;
3136        }
3137
3138        if (!sUserManager.exists(userId)) {
3139            return false;
3140        }
3141
3142        mContext.enforceCallingOrSelfPermission(
3143                android.Manifest.permission.GRANT_REVOKE_PERMISSIONS,
3144                "grantPermission");
3145
3146        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
3147                "grantPermission");
3148
3149        boolean gidsChanged = false;
3150        final SettingBase sb;
3151
3152        synchronized (mPackages) {
3153            final PackageParser.Package pkg = mPackages.get(packageName);
3154            if (pkg == null) {
3155                throw new IllegalArgumentException("Unknown package: " + packageName);
3156            }
3157
3158            final BasePermission bp = mSettings.mPermissions.get(name);
3159            if (bp == null) {
3160                throw new IllegalArgumentException("Unknown permission: " + name);
3161            }
3162
3163            enforceDeclaredAsUsedAndRuntimePermission(pkg, bp);
3164
3165            sb = (SettingBase) pkg.mExtras;
3166            if (sb == null) {
3167                throw new IllegalArgumentException("Unknown package: " + packageName);
3168            }
3169
3170            final PermissionsState permissionsState = sb.getPermissionsState();
3171
3172            final int result = permissionsState.grantRuntimePermission(bp, userId);
3173            switch (result) {
3174                case PermissionsState.PERMISSION_OPERATION_FAILURE: {
3175                    return false;
3176                }
3177
3178                case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: {
3179                    gidsChanged = true;
3180                } break;
3181            }
3182
3183            // Not critical if that is lost - app has to request again.
3184            mSettings.writeRuntimePermissionsForUserLPr(userId, false);
3185        }
3186
3187        if (gidsChanged) {
3188            killSettingPackagesForUser(sb, userId, KILL_APP_REASON_GIDS_CHANGED);
3189        }
3190
3191        return true;
3192    }
3193
3194    @Override
3195    public boolean revokePermission(String packageName, String name, int userId) {
3196        if (!RUNTIME_PERMISSIONS_ENABLED) {
3197            return false;
3198        }
3199
3200        if (!sUserManager.exists(userId)) {
3201            return false;
3202        }
3203
3204        mContext.enforceCallingOrSelfPermission(
3205                android.Manifest.permission.GRANT_REVOKE_PERMISSIONS,
3206                "revokePermission");
3207
3208        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
3209                "revokePermission");
3210
3211        final SettingBase sb;
3212
3213        synchronized (mPackages) {
3214            final PackageParser.Package pkg = mPackages.get(packageName);
3215            if (pkg == null) {
3216                throw new IllegalArgumentException("Unknown package: " + packageName);
3217            }
3218
3219            final BasePermission bp = mSettings.mPermissions.get(name);
3220            if (bp == null) {
3221                throw new IllegalArgumentException("Unknown permission: " + name);
3222            }
3223
3224            enforceDeclaredAsUsedAndRuntimePermission(pkg, bp);
3225
3226            sb = (SettingBase) pkg.mExtras;
3227            if (sb == null) {
3228                throw new IllegalArgumentException("Unknown package: " + packageName);
3229            }
3230
3231            final PermissionsState permissionsState = sb.getPermissionsState();
3232
3233            if (permissionsState.revokeRuntimePermission(bp, userId) ==
3234                    PermissionsState.PERMISSION_OPERATION_FAILURE) {
3235                return false;
3236            }
3237
3238            // Critical, after this call all should never have the permission.
3239            mSettings.writeRuntimePermissionsForUserLPr(userId, true);
3240        }
3241
3242        killSettingPackagesForUser(sb, userId, KILL_APP_REASON_PERMISSIONS_REVOKED);
3243
3244        return true;
3245    }
3246
3247    @Override
3248    public boolean isProtectedBroadcast(String actionName) {
3249        synchronized (mPackages) {
3250            return mProtectedBroadcasts.contains(actionName);
3251        }
3252    }
3253
3254    @Override
3255    public int checkSignatures(String pkg1, String pkg2) {
3256        synchronized (mPackages) {
3257            final PackageParser.Package p1 = mPackages.get(pkg1);
3258            final PackageParser.Package p2 = mPackages.get(pkg2);
3259            if (p1 == null || p1.mExtras == null
3260                    || p2 == null || p2.mExtras == null) {
3261                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3262            }
3263            return compareSignatures(p1.mSignatures, p2.mSignatures);
3264        }
3265    }
3266
3267    @Override
3268    public int checkUidSignatures(int uid1, int uid2) {
3269        // Map to base uids.
3270        uid1 = UserHandle.getAppId(uid1);
3271        uid2 = UserHandle.getAppId(uid2);
3272        // reader
3273        synchronized (mPackages) {
3274            Signature[] s1;
3275            Signature[] s2;
3276            Object obj = mSettings.getUserIdLPr(uid1);
3277            if (obj != null) {
3278                if (obj instanceof SharedUserSetting) {
3279                    s1 = ((SharedUserSetting)obj).signatures.mSignatures;
3280                } else if (obj instanceof PackageSetting) {
3281                    s1 = ((PackageSetting)obj).signatures.mSignatures;
3282                } else {
3283                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3284                }
3285            } else {
3286                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3287            }
3288            obj = mSettings.getUserIdLPr(uid2);
3289            if (obj != null) {
3290                if (obj instanceof SharedUserSetting) {
3291                    s2 = ((SharedUserSetting)obj).signatures.mSignatures;
3292                } else if (obj instanceof PackageSetting) {
3293                    s2 = ((PackageSetting)obj).signatures.mSignatures;
3294                } else {
3295                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3296                }
3297            } else {
3298                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3299            }
3300            return compareSignatures(s1, s2);
3301        }
3302    }
3303
3304    private void killSettingPackagesForUser(SettingBase sb, int userId, String reason) {
3305        final long identity = Binder.clearCallingIdentity();
3306        try {
3307            if (sb instanceof SharedUserSetting) {
3308                SharedUserSetting sus = (SharedUserSetting) sb;
3309                final int packageCount = sus.packages.size();
3310                for (int i = 0; i < packageCount; i++) {
3311                    PackageSetting susPs = sus.packages.valueAt(i);
3312                    if (userId == UserHandle.USER_ALL) {
3313                        killApplication(susPs.pkg.packageName, susPs.appId, reason);
3314                    } else {
3315                        final int uid = UserHandle.getUid(userId, susPs.appId);
3316                        killUid(uid, reason);
3317                    }
3318                }
3319            } else if (sb instanceof PackageSetting) {
3320                PackageSetting ps = (PackageSetting) sb;
3321                if (userId == UserHandle.USER_ALL) {
3322                    killApplication(ps.pkg.packageName, ps.appId, reason);
3323                } else {
3324                    final int uid = UserHandle.getUid(userId, ps.appId);
3325                    killUid(uid, reason);
3326                }
3327            }
3328        } finally {
3329            Binder.restoreCallingIdentity(identity);
3330        }
3331    }
3332
3333    private static void killUid(int uid, String reason) {
3334        IActivityManager am = ActivityManagerNative.getDefault();
3335        if (am != null) {
3336            try {
3337                am.killUid(uid, reason);
3338            } catch (RemoteException e) {
3339                /* ignore - same process */
3340            }
3341        }
3342    }
3343
3344    /**
3345     * Compares two sets of signatures. Returns:
3346     * <br />
3347     * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null,
3348     * <br />
3349     * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null,
3350     * <br />
3351     * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null,
3352     * <br />
3353     * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical,
3354     * <br />
3355     * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ.
3356     */
3357    static int compareSignatures(Signature[] s1, Signature[] s2) {
3358        if (s1 == null) {
3359            return s2 == null
3360                    ? PackageManager.SIGNATURE_NEITHER_SIGNED
3361                    : PackageManager.SIGNATURE_FIRST_NOT_SIGNED;
3362        }
3363
3364        if (s2 == null) {
3365            return PackageManager.SIGNATURE_SECOND_NOT_SIGNED;
3366        }
3367
3368        if (s1.length != s2.length) {
3369            return PackageManager.SIGNATURE_NO_MATCH;
3370        }
3371
3372        // Since both signature sets are of size 1, we can compare without HashSets.
3373        if (s1.length == 1) {
3374            return s1[0].equals(s2[0]) ?
3375                    PackageManager.SIGNATURE_MATCH :
3376                    PackageManager.SIGNATURE_NO_MATCH;
3377        }
3378
3379        ArraySet<Signature> set1 = new ArraySet<Signature>();
3380        for (Signature sig : s1) {
3381            set1.add(sig);
3382        }
3383        ArraySet<Signature> set2 = new ArraySet<Signature>();
3384        for (Signature sig : s2) {
3385            set2.add(sig);
3386        }
3387        // Make sure s2 contains all signatures in s1.
3388        if (set1.equals(set2)) {
3389            return PackageManager.SIGNATURE_MATCH;
3390        }
3391        return PackageManager.SIGNATURE_NO_MATCH;
3392    }
3393
3394    /**
3395     * If the database version for this type of package (internal storage or
3396     * external storage) is less than the version where package signatures
3397     * were updated, return true.
3398     */
3399    private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) {
3400        return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan(
3401                DatabaseVersion.SIGNATURE_END_ENTITY))
3402                || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan(
3403                        DatabaseVersion.SIGNATURE_END_ENTITY));
3404    }
3405
3406    /**
3407     * Used for backward compatibility to make sure any packages with
3408     * certificate chains get upgraded to the new style. {@code existingSigs}
3409     * will be in the old format (since they were stored on disk from before the
3410     * system upgrade) and {@code scannedSigs} will be in the newer format.
3411     */
3412    private int compareSignaturesCompat(PackageSignatures existingSigs,
3413            PackageParser.Package scannedPkg) {
3414        if (!isCompatSignatureUpdateNeeded(scannedPkg)) {
3415            return PackageManager.SIGNATURE_NO_MATCH;
3416        }
3417
3418        ArraySet<Signature> existingSet = new ArraySet<Signature>();
3419        for (Signature sig : existingSigs.mSignatures) {
3420            existingSet.add(sig);
3421        }
3422        ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>();
3423        for (Signature sig : scannedPkg.mSignatures) {
3424            try {
3425                Signature[] chainSignatures = sig.getChainSignatures();
3426                for (Signature chainSig : chainSignatures) {
3427                    scannedCompatSet.add(chainSig);
3428                }
3429            } catch (CertificateEncodingException e) {
3430                scannedCompatSet.add(sig);
3431            }
3432        }
3433        /*
3434         * Make sure the expanded scanned set contains all signatures in the
3435         * existing one.
3436         */
3437        if (scannedCompatSet.equals(existingSet)) {
3438            // Migrate the old signatures to the new scheme.
3439            existingSigs.assignSignatures(scannedPkg.mSignatures);
3440            // The new KeySets will be re-added later in the scanning process.
3441            synchronized (mPackages) {
3442                mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName);
3443            }
3444            return PackageManager.SIGNATURE_MATCH;
3445        }
3446        return PackageManager.SIGNATURE_NO_MATCH;
3447    }
3448
3449    private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) {
3450        if (isExternal(scannedPkg)) {
3451            return mSettings.isExternalDatabaseVersionOlderThan(
3452                    DatabaseVersion.SIGNATURE_MALFORMED_RECOVER);
3453        } else {
3454            return mSettings.isInternalDatabaseVersionOlderThan(
3455                    DatabaseVersion.SIGNATURE_MALFORMED_RECOVER);
3456        }
3457    }
3458
3459    private int compareSignaturesRecover(PackageSignatures existingSigs,
3460            PackageParser.Package scannedPkg) {
3461        if (!isRecoverSignatureUpdateNeeded(scannedPkg)) {
3462            return PackageManager.SIGNATURE_NO_MATCH;
3463        }
3464
3465        String msg = null;
3466        try {
3467            if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) {
3468                logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for "
3469                        + scannedPkg.packageName);
3470                return PackageManager.SIGNATURE_MATCH;
3471            }
3472        } catch (CertificateException e) {
3473            msg = e.getMessage();
3474        }
3475
3476        logCriticalInfo(Log.INFO,
3477                "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg);
3478        return PackageManager.SIGNATURE_NO_MATCH;
3479    }
3480
3481    @Override
3482    public String[] getPackagesForUid(int uid) {
3483        uid = UserHandle.getAppId(uid);
3484        // reader
3485        synchronized (mPackages) {
3486            Object obj = mSettings.getUserIdLPr(uid);
3487            if (obj instanceof SharedUserSetting) {
3488                final SharedUserSetting sus = (SharedUserSetting) obj;
3489                final int N = sus.packages.size();
3490                final String[] res = new String[N];
3491                final Iterator<PackageSetting> it = sus.packages.iterator();
3492                int i = 0;
3493                while (it.hasNext()) {
3494                    res[i++] = it.next().name;
3495                }
3496                return res;
3497            } else if (obj instanceof PackageSetting) {
3498                final PackageSetting ps = (PackageSetting) obj;
3499                return new String[] { ps.name };
3500            }
3501        }
3502        return null;
3503    }
3504
3505    @Override
3506    public String getNameForUid(int uid) {
3507        // reader
3508        synchronized (mPackages) {
3509            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
3510            if (obj instanceof SharedUserSetting) {
3511                final SharedUserSetting sus = (SharedUserSetting) obj;
3512                return sus.name + ":" + sus.userId;
3513            } else if (obj instanceof PackageSetting) {
3514                final PackageSetting ps = (PackageSetting) obj;
3515                return ps.name;
3516            }
3517        }
3518        return null;
3519    }
3520
3521    @Override
3522    public int getUidForSharedUser(String sharedUserName) {
3523        if(sharedUserName == null) {
3524            return -1;
3525        }
3526        // reader
3527        synchronized (mPackages) {
3528            final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false);
3529            if (suid == null) {
3530                return -1;
3531            }
3532            return suid.userId;
3533        }
3534    }
3535
3536    @Override
3537    public int getFlagsForUid(int uid) {
3538        synchronized (mPackages) {
3539            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
3540            if (obj instanceof SharedUserSetting) {
3541                final SharedUserSetting sus = (SharedUserSetting) obj;
3542                return sus.pkgFlags;
3543            } else if (obj instanceof PackageSetting) {
3544                final PackageSetting ps = (PackageSetting) obj;
3545                return ps.pkgFlags;
3546            }
3547        }
3548        return 0;
3549    }
3550
3551    @Override
3552    public int getPrivateFlagsForUid(int uid) {
3553        synchronized (mPackages) {
3554            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
3555            if (obj instanceof SharedUserSetting) {
3556                final SharedUserSetting sus = (SharedUserSetting) obj;
3557                return sus.pkgPrivateFlags;
3558            } else if (obj instanceof PackageSetting) {
3559                final PackageSetting ps = (PackageSetting) obj;
3560                return ps.pkgPrivateFlags;
3561            }
3562        }
3563        return 0;
3564    }
3565
3566    @Override
3567    public boolean isUidPrivileged(int uid) {
3568        uid = UserHandle.getAppId(uid);
3569        // reader
3570        synchronized (mPackages) {
3571            Object obj = mSettings.getUserIdLPr(uid);
3572            if (obj instanceof SharedUserSetting) {
3573                final SharedUserSetting sus = (SharedUserSetting) obj;
3574                final Iterator<PackageSetting> it = sus.packages.iterator();
3575                while (it.hasNext()) {
3576                    if (it.next().isPrivileged()) {
3577                        return true;
3578                    }
3579                }
3580            } else if (obj instanceof PackageSetting) {
3581                final PackageSetting ps = (PackageSetting) obj;
3582                return ps.isPrivileged();
3583            }
3584        }
3585        return false;
3586    }
3587
3588    @Override
3589    public String[] getAppOpPermissionPackages(String permissionName) {
3590        synchronized (mPackages) {
3591            ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName);
3592            if (pkgs == null) {
3593                return null;
3594            }
3595            return pkgs.toArray(new String[pkgs.size()]);
3596        }
3597    }
3598
3599    @Override
3600    public ResolveInfo resolveIntent(Intent intent, String resolvedType,
3601            int flags, int userId) {
3602        if (!sUserManager.exists(userId)) return null;
3603        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent");
3604        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
3605        return chooseBestActivity(intent, resolvedType, flags, query, userId);
3606    }
3607
3608    @Override
3609    public void setLastChosenActivity(Intent intent, String resolvedType, int flags,
3610            IntentFilter filter, int match, ComponentName activity) {
3611        final int userId = UserHandle.getCallingUserId();
3612        if (DEBUG_PREFERRED) {
3613            Log.v(TAG, "setLastChosenActivity intent=" + intent
3614                + " resolvedType=" + resolvedType
3615                + " flags=" + flags
3616                + " filter=" + filter
3617                + " match=" + match
3618                + " activity=" + activity);
3619            filter.dump(new PrintStreamPrinter(System.out), "    ");
3620        }
3621        intent.setComponent(null);
3622        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
3623        // Find any earlier preferred or last chosen entries and nuke them
3624        findPreferredActivity(intent, resolvedType,
3625                flags, query, 0, false, true, false, userId);
3626        // Add the new activity as the last chosen for this filter
3627        addPreferredActivityInternal(filter, match, null, activity, false, userId,
3628                "Setting last chosen");
3629    }
3630
3631    @Override
3632    public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) {
3633        final int userId = UserHandle.getCallingUserId();
3634        if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent);
3635        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
3636        return findPreferredActivity(intent, resolvedType, flags, query, 0,
3637                false, false, false, userId);
3638    }
3639
3640    private ResolveInfo chooseBestActivity(Intent intent, String resolvedType,
3641            int flags, List<ResolveInfo> query, int userId) {
3642        if (query != null) {
3643            final int N = query.size();
3644            if (N == 1) {
3645                return query.get(0);
3646            } else if (N > 1) {
3647                final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0);
3648                // If there is more than one activity with the same priority,
3649                // then let the user decide between them.
3650                ResolveInfo r0 = query.get(0);
3651                ResolveInfo r1 = query.get(1);
3652                if (DEBUG_INTENT_MATCHING || debug) {
3653                    Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs "
3654                            + r1.activityInfo.name + "=" + r1.priority);
3655                }
3656                // If the first activity has a higher priority, or a different
3657                // default, then it is always desireable to pick it.
3658                if (r0.priority != r1.priority
3659                        || r0.preferredOrder != r1.preferredOrder
3660                        || r0.isDefault != r1.isDefault) {
3661                    return query.get(0);
3662                }
3663                // If we have saved a preference for a preferred activity for
3664                // this Intent, use that.
3665                ResolveInfo ri = findPreferredActivity(intent, resolvedType,
3666                        flags, query, r0.priority, true, false, debug, userId);
3667                if (ri != null) {
3668                    return ri;
3669                }
3670                if (userId != 0) {
3671                    ri = new ResolveInfo(mResolveInfo);
3672                    ri.activityInfo = new ActivityInfo(ri.activityInfo);
3673                    ri.activityInfo.applicationInfo = new ApplicationInfo(
3674                            ri.activityInfo.applicationInfo);
3675                    ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId,
3676                            UserHandle.getAppId(ri.activityInfo.applicationInfo.uid));
3677                    return ri;
3678                }
3679                return mResolveInfo;
3680            }
3681        }
3682        return null;
3683    }
3684
3685    private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType,
3686            int flags, List<ResolveInfo> query, boolean debug, int userId) {
3687        final int N = query.size();
3688        PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
3689                .get(userId);
3690        // Get the list of persistent preferred activities that handle the intent
3691        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities...");
3692        List<PersistentPreferredActivity> pprefs = ppir != null
3693                ? ppir.queryIntent(intent, resolvedType,
3694                        (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
3695                : null;
3696        if (pprefs != null && pprefs.size() > 0) {
3697            final int M = pprefs.size();
3698            for (int i=0; i<M; i++) {
3699                final PersistentPreferredActivity ppa = pprefs.get(i);
3700                if (DEBUG_PREFERRED || debug) {
3701                    Slog.v(TAG, "Checking PersistentPreferredActivity ds="
3702                            + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>")
3703                            + "\n  component=" + ppa.mComponent);
3704                    ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3705                }
3706                final ActivityInfo ai = getActivityInfo(ppa.mComponent,
3707                        flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
3708                if (DEBUG_PREFERRED || debug) {
3709                    Slog.v(TAG, "Found persistent preferred activity:");
3710                    if (ai != null) {
3711                        ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3712                    } else {
3713                        Slog.v(TAG, "  null");
3714                    }
3715                }
3716                if (ai == null) {
3717                    // This previously registered persistent preferred activity
3718                    // component is no longer known. Ignore it and do NOT remove it.
3719                    continue;
3720                }
3721                for (int j=0; j<N; j++) {
3722                    final ResolveInfo ri = query.get(j);
3723                    if (!ri.activityInfo.applicationInfo.packageName
3724                            .equals(ai.applicationInfo.packageName)) {
3725                        continue;
3726                    }
3727                    if (!ri.activityInfo.name.equals(ai.name)) {
3728                        continue;
3729                    }
3730                    //  Found a persistent preference that can handle the intent.
3731                    if (DEBUG_PREFERRED || debug) {
3732                        Slog.v(TAG, "Returning persistent preferred activity: " +
3733                                ri.activityInfo.packageName + "/" + ri.activityInfo.name);
3734                    }
3735                    return ri;
3736                }
3737            }
3738        }
3739        return null;
3740    }
3741
3742    ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags,
3743            List<ResolveInfo> query, int priority, boolean always,
3744            boolean removeMatches, boolean debug, int userId) {
3745        if (!sUserManager.exists(userId)) return null;
3746        // writer
3747        synchronized (mPackages) {
3748            if (intent.getSelector() != null) {
3749                intent = intent.getSelector();
3750            }
3751            if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION);
3752
3753            // Try to find a matching persistent preferred activity.
3754            ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query,
3755                    debug, userId);
3756
3757            // If a persistent preferred activity matched, use it.
3758            if (pri != null) {
3759                return pri;
3760            }
3761
3762            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
3763            // Get the list of preferred activities that handle the intent
3764            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities...");
3765            List<PreferredActivity> prefs = pir != null
3766                    ? pir.queryIntent(intent, resolvedType,
3767                            (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
3768                    : null;
3769            if (prefs != null && prefs.size() > 0) {
3770                boolean changed = false;
3771                try {
3772                    // First figure out how good the original match set is.
3773                    // We will only allow preferred activities that came
3774                    // from the same match quality.
3775                    int match = 0;
3776
3777                    if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match...");
3778
3779                    final int N = query.size();
3780                    for (int j=0; j<N; j++) {
3781                        final ResolveInfo ri = query.get(j);
3782                        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo
3783                                + ": 0x" + Integer.toHexString(match));
3784                        if (ri.match > match) {
3785                            match = ri.match;
3786                        }
3787                    }
3788
3789                    if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x"
3790                            + Integer.toHexString(match));
3791
3792                    match &= IntentFilter.MATCH_CATEGORY_MASK;
3793                    final int M = prefs.size();
3794                    for (int i=0; i<M; i++) {
3795                        final PreferredActivity pa = prefs.get(i);
3796                        if (DEBUG_PREFERRED || debug) {
3797                            Slog.v(TAG, "Checking PreferredActivity ds="
3798                                    + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>")
3799                                    + "\n  component=" + pa.mPref.mComponent);
3800                            pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3801                        }
3802                        if (pa.mPref.mMatch != match) {
3803                            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match "
3804                                    + Integer.toHexString(pa.mPref.mMatch));
3805                            continue;
3806                        }
3807                        // If it's not an "always" type preferred activity and that's what we're
3808                        // looking for, skip it.
3809                        if (always && !pa.mPref.mAlways) {
3810                            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry");
3811                            continue;
3812                        }
3813                        final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent,
3814                                flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
3815                        if (DEBUG_PREFERRED || debug) {
3816                            Slog.v(TAG, "Found preferred activity:");
3817                            if (ai != null) {
3818                                ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3819                            } else {
3820                                Slog.v(TAG, "  null");
3821                            }
3822                        }
3823                        if (ai == null) {
3824                            // This previously registered preferred activity
3825                            // component is no longer known.  Most likely an update
3826                            // to the app was installed and in the new version this
3827                            // component no longer exists.  Clean it up by removing
3828                            // it from the preferred activities list, and skip it.
3829                            Slog.w(TAG, "Removing dangling preferred activity: "
3830                                    + pa.mPref.mComponent);
3831                            pir.removeFilter(pa);
3832                            changed = true;
3833                            continue;
3834                        }
3835                        for (int j=0; j<N; j++) {
3836                            final ResolveInfo ri = query.get(j);
3837                            if (!ri.activityInfo.applicationInfo.packageName
3838                                    .equals(ai.applicationInfo.packageName)) {
3839                                continue;
3840                            }
3841                            if (!ri.activityInfo.name.equals(ai.name)) {
3842                                continue;
3843                            }
3844
3845                            if (removeMatches) {
3846                                pir.removeFilter(pa);
3847                                changed = true;
3848                                if (DEBUG_PREFERRED) {
3849                                    Slog.v(TAG, "Removing match " + pa.mPref.mComponent);
3850                                }
3851                                break;
3852                            }
3853
3854                            // Okay we found a previously set preferred or last chosen app.
3855                            // If the result set is different from when this
3856                            // was created, we need to clear it and re-ask the
3857                            // user their preference, if we're looking for an "always" type entry.
3858                            if (always && !pa.mPref.sameSet(query)) {
3859                                Slog.i(TAG, "Result set changed, dropping preferred activity for "
3860                                        + intent + " type " + resolvedType);
3861                                if (DEBUG_PREFERRED) {
3862                                    Slog.v(TAG, "Removing preferred activity since set changed "
3863                                            + pa.mPref.mComponent);
3864                                }
3865                                pir.removeFilter(pa);
3866                                // Re-add the filter as a "last chosen" entry (!always)
3867                                PreferredActivity lastChosen = new PreferredActivity(
3868                                        pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false);
3869                                pir.addFilter(lastChosen);
3870                                changed = true;
3871                                return null;
3872                            }
3873
3874                            // Yay! Either the set matched or we're looking for the last chosen
3875                            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: "
3876                                    + ri.activityInfo.packageName + "/" + ri.activityInfo.name);
3877                            return ri;
3878                        }
3879                    }
3880                } finally {
3881                    if (changed) {
3882                        if (DEBUG_PREFERRED) {
3883                            Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions");
3884                        }
3885                        scheduleWritePackageRestrictionsLocked(userId);
3886                    }
3887                }
3888            }
3889        }
3890        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return");
3891        return null;
3892    }
3893
3894    /*
3895     * Returns if intent can be forwarded from the sourceUserId to the targetUserId
3896     */
3897    @Override
3898    public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId,
3899            int targetUserId) {
3900        mContext.enforceCallingOrSelfPermission(
3901                android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
3902        List<CrossProfileIntentFilter> matches =
3903                getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId);
3904        if (matches != null) {
3905            int size = matches.size();
3906            for (int i = 0; i < size; i++) {
3907                if (matches.get(i).getTargetUserId() == targetUserId) return true;
3908            }
3909        }
3910        return false;
3911    }
3912
3913    private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent,
3914            String resolvedType, int userId) {
3915        CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId);
3916        if (resolver != null) {
3917            return resolver.queryIntent(intent, resolvedType, false, userId);
3918        }
3919        return null;
3920    }
3921
3922    @Override
3923    public List<ResolveInfo> queryIntentActivities(Intent intent,
3924            String resolvedType, int flags, int userId) {
3925        if (!sUserManager.exists(userId)) return Collections.emptyList();
3926        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities");
3927        ComponentName comp = intent.getComponent();
3928        if (comp == null) {
3929            if (intent.getSelector() != null) {
3930                intent = intent.getSelector();
3931                comp = intent.getComponent();
3932            }
3933        }
3934
3935        if (comp != null) {
3936            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3937            final ActivityInfo ai = getActivityInfo(comp, flags, userId);
3938            if (ai != null) {
3939                final ResolveInfo ri = new ResolveInfo();
3940                ri.activityInfo = ai;
3941                list.add(ri);
3942            }
3943            return list;
3944        }
3945
3946        // reader
3947        synchronized (mPackages) {
3948            final String pkgName = intent.getPackage();
3949            if (pkgName == null) {
3950                List<CrossProfileIntentFilter> matchingFilters =
3951                        getMatchingCrossProfileIntentFilters(intent, resolvedType, userId);
3952                // Check for results that need to skip the current profile.
3953                ResolveInfo resolveInfo  = querySkipCurrentProfileIntents(matchingFilters, intent,
3954                        resolvedType, flags, userId);
3955                if (resolveInfo != null && isUserEnabled(resolveInfo.targetUserId)) {
3956                    List<ResolveInfo> result = new ArrayList<ResolveInfo>(1);
3957                    result.add(resolveInfo);
3958                    return filterIfNotPrimaryUser(result, userId);
3959                }
3960
3961                // Check for results in the current profile.
3962                List<ResolveInfo> result = mActivities.queryIntent(
3963                        intent, resolvedType, flags, userId);
3964
3965                // Check for cross profile results.
3966                resolveInfo = queryCrossProfileIntents(
3967                        matchingFilters, intent, resolvedType, flags, userId);
3968                if (resolveInfo != null && isUserEnabled(resolveInfo.targetUserId)) {
3969                    result.add(resolveInfo);
3970                    Collections.sort(result, mResolvePrioritySorter);
3971                }
3972                result = filterIfNotPrimaryUser(result, userId);
3973                if (result.size() > 1 && hasWebURI(intent)) {
3974                    return filterCandidatesWithDomainPreferedActivitiesLPr(flags, result);
3975                }
3976                return result;
3977            }
3978            final PackageParser.Package pkg = mPackages.get(pkgName);
3979            if (pkg != null) {
3980                return filterIfNotPrimaryUser(
3981                        mActivities.queryIntentForPackage(
3982                                intent, resolvedType, flags, pkg.activities, userId),
3983                        userId);
3984            }
3985            return new ArrayList<ResolveInfo>();
3986        }
3987    }
3988
3989    private boolean isUserEnabled(int userId) {
3990        long callingId = Binder.clearCallingIdentity();
3991        try {
3992            UserInfo userInfo = sUserManager.getUserInfo(userId);
3993            return userInfo != null && userInfo.isEnabled();
3994        } finally {
3995            Binder.restoreCallingIdentity(callingId);
3996        }
3997    }
3998
3999    /**
4000     * Filter out activities with primaryUserOnly flag set, when current user is not the owner.
4001     *
4002     * @return filtered list
4003     */
4004    private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) {
4005        if (userId == UserHandle.USER_OWNER) {
4006            return resolveInfos;
4007        }
4008        for (int i = resolveInfos.size() - 1; i >= 0; i--) {
4009            ResolveInfo info = resolveInfos.get(i);
4010            if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) {
4011                resolveInfos.remove(i);
4012            }
4013        }
4014        return resolveInfos;
4015    }
4016
4017    private static boolean hasWebURI(Intent intent) {
4018        if (intent.getData() == null) {
4019            return false;
4020        }
4021        final String scheme = intent.getScheme();
4022        if (TextUtils.isEmpty(scheme)) {
4023            return false;
4024        }
4025        return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS);
4026    }
4027
4028    private List<ResolveInfo> filterCandidatesWithDomainPreferedActivitiesLPr(
4029            int flags, List<ResolveInfo> candidates) {
4030        if (DEBUG_PREFERRED) {
4031            Slog.v("TAG", "Filtering results with prefered activities. Candidates count: " +
4032                    candidates.size());
4033        }
4034
4035        final int userId = UserHandle.getCallingUserId();
4036        ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>();
4037        ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>();
4038        ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>();
4039        ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>();
4040
4041        synchronized (mPackages) {
4042            final int count = candidates.size();
4043            // First, try to use the domain prefered App
4044            for (int n=0; n<count; n++) {
4045                ResolveInfo info = candidates.get(n);
4046                String packageName = info.activityInfo.packageName;
4047                PackageSetting ps = mSettings.mPackages.get(packageName);
4048                if (ps != null) {
4049                    // Add to the special match all list (Browser use case)
4050                    if (info.handleAllWebDataURI) {
4051                        matchAllList.add(info);
4052                        continue;
4053                    }
4054                    // Try to get the status from User settings first
4055                    int status = getDomainVerificationStatusLPr(ps, userId);
4056                    if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) {
4057                        result.add(info);
4058                    } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) {
4059                        neverList.add(info);
4060                    } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) {
4061                        undefinedList.add(info);
4062                    }
4063                }
4064            }
4065            // If there is nothing selected, add all candidates and remove the ones that the User
4066            // has explicitely put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state and
4067            // also remove any Browser Apps ones.
4068            // If there is still none after this pass, add all undefined one and Browser Apps and
4069            // let the User decide with the Disambiguation dialog if there are several ones.
4070            if (result.size() == 0) {
4071                result.addAll(candidates);
4072            }
4073            result.removeAll(neverList);
4074            result.removeAll(matchAllList);
4075            if (result.size() == 0) {
4076                result.addAll(undefinedList);
4077                if ((flags & MATCH_ALL) != 0) {
4078                    result.addAll(matchAllList);
4079                } else {
4080                    // Try to add the Default Browser if we can
4081                    final String defaultBrowserPackageName = getDefaultBrowserPackageName(
4082                            UserHandle.myUserId());
4083                    if (!TextUtils.isEmpty(defaultBrowserPackageName)) {
4084                        boolean defaultBrowserFound = false;
4085                        final int browserCount = matchAllList.size();
4086                        for (int n=0; n<browserCount; n++) {
4087                            ResolveInfo browser = matchAllList.get(n);
4088                            if (browser.activityInfo.packageName.equals(defaultBrowserPackageName)) {
4089                                result.add(browser);
4090                                defaultBrowserFound = true;
4091                                break;
4092                            }
4093                        }
4094                        if (!defaultBrowserFound) {
4095                            result.addAll(matchAllList);
4096                        }
4097                    } else {
4098                        result.addAll(matchAllList);
4099                    }
4100                }
4101            }
4102        }
4103        if (DEBUG_PREFERRED) {
4104            Slog.v("TAG", "Filtered results with prefered activities. New candidates count: " +
4105                    result.size());
4106        }
4107        return result;
4108    }
4109
4110    private int getDomainVerificationStatusLPr(PackageSetting ps, int userId) {
4111        int status = ps.getDomainVerificationStatusForUser(userId);
4112        // if none available, get the master status
4113        if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) {
4114            if (ps.getIntentFilterVerificationInfo() != null) {
4115                status = ps.getIntentFilterVerificationInfo().getStatus();
4116            }
4117        }
4118        return status;
4119    }
4120
4121    private ResolveInfo querySkipCurrentProfileIntents(
4122            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
4123            int flags, int sourceUserId) {
4124        if (matchingFilters != null) {
4125            int size = matchingFilters.size();
4126            for (int i = 0; i < size; i ++) {
4127                CrossProfileIntentFilter filter = matchingFilters.get(i);
4128                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) {
4129                    // Checking if there are activities in the target user that can handle the
4130                    // intent.
4131                    ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
4132                            flags, sourceUserId);
4133                    if (resolveInfo != null) {
4134                        return resolveInfo;
4135                    }
4136                }
4137            }
4138        }
4139        return null;
4140    }
4141
4142    // Return matching ResolveInfo if any for skip current profile intent filters.
4143    private ResolveInfo queryCrossProfileIntents(
4144            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
4145            int flags, int sourceUserId) {
4146        if (matchingFilters != null) {
4147            // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and
4148            // match the same intent. For performance reasons, it is better not to
4149            // run queryIntent twice for the same userId
4150            SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray();
4151            int size = matchingFilters.size();
4152            for (int i = 0; i < size; i++) {
4153                CrossProfileIntentFilter filter = matchingFilters.get(i);
4154                int targetUserId = filter.getTargetUserId();
4155                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0
4156                        && !alreadyTriedUserIds.get(targetUserId)) {
4157                    // Checking if there are activities in the target user that can handle the
4158                    // intent.
4159                    ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
4160                            flags, sourceUserId);
4161                    if (resolveInfo != null) return resolveInfo;
4162                    alreadyTriedUserIds.put(targetUserId, true);
4163                }
4164            }
4165        }
4166        return null;
4167    }
4168
4169    private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent,
4170            String resolvedType, int flags, int sourceUserId) {
4171        List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent,
4172                resolvedType, flags, filter.getTargetUserId());
4173        if (resultTargetUser != null && !resultTargetUser.isEmpty()) {
4174            return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId());
4175        }
4176        return null;
4177    }
4178
4179    private ResolveInfo createForwardingResolveInfo(IntentFilter filter,
4180            int sourceUserId, int targetUserId) {
4181        ResolveInfo forwardingResolveInfo = new ResolveInfo();
4182        String className;
4183        if (targetUserId == UserHandle.USER_OWNER) {
4184            className = FORWARD_INTENT_TO_USER_OWNER;
4185        } else {
4186            className = FORWARD_INTENT_TO_MANAGED_PROFILE;
4187        }
4188        ComponentName forwardingActivityComponentName = new ComponentName(
4189                mAndroidApplication.packageName, className);
4190        ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0,
4191                sourceUserId);
4192        if (targetUserId == UserHandle.USER_OWNER) {
4193            forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER;
4194            forwardingResolveInfo.noResourceId = true;
4195        }
4196        forwardingResolveInfo.activityInfo = forwardingActivityInfo;
4197        forwardingResolveInfo.priority = 0;
4198        forwardingResolveInfo.preferredOrder = 0;
4199        forwardingResolveInfo.match = 0;
4200        forwardingResolveInfo.isDefault = true;
4201        forwardingResolveInfo.filter = filter;
4202        forwardingResolveInfo.targetUserId = targetUserId;
4203        return forwardingResolveInfo;
4204    }
4205
4206    @Override
4207    public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller,
4208            Intent[] specifics, String[] specificTypes, Intent intent,
4209            String resolvedType, int flags, int userId) {
4210        if (!sUserManager.exists(userId)) return Collections.emptyList();
4211        enforceCrossUserPermission(Binder.getCallingUid(), userId, false,
4212                false, "query intent activity options");
4213        final String resultsAction = intent.getAction();
4214
4215        List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags
4216                | PackageManager.GET_RESOLVED_FILTER, userId);
4217
4218        if (DEBUG_INTENT_MATCHING) {
4219            Log.v(TAG, "Query " + intent + ": " + results);
4220        }
4221
4222        int specificsPos = 0;
4223        int N;
4224
4225        // todo: note that the algorithm used here is O(N^2).  This
4226        // isn't a problem in our current environment, but if we start running
4227        // into situations where we have more than 5 or 10 matches then this
4228        // should probably be changed to something smarter...
4229
4230        // First we go through and resolve each of the specific items
4231        // that were supplied, taking care of removing any corresponding
4232        // duplicate items in the generic resolve list.
4233        if (specifics != null) {
4234            for (int i=0; i<specifics.length; i++) {
4235                final Intent sintent = specifics[i];
4236                if (sintent == null) {
4237                    continue;
4238                }
4239
4240                if (DEBUG_INTENT_MATCHING) {
4241                    Log.v(TAG, "Specific #" + i + ": " + sintent);
4242                }
4243
4244                String action = sintent.getAction();
4245                if (resultsAction != null && resultsAction.equals(action)) {
4246                    // If this action was explicitly requested, then don't
4247                    // remove things that have it.
4248                    action = null;
4249                }
4250
4251                ResolveInfo ri = null;
4252                ActivityInfo ai = null;
4253
4254                ComponentName comp = sintent.getComponent();
4255                if (comp == null) {
4256                    ri = resolveIntent(
4257                        sintent,
4258                        specificTypes != null ? specificTypes[i] : null,
4259                            flags, userId);
4260                    if (ri == null) {
4261                        continue;
4262                    }
4263                    if (ri == mResolveInfo) {
4264                        // ACK!  Must do something better with this.
4265                    }
4266                    ai = ri.activityInfo;
4267                    comp = new ComponentName(ai.applicationInfo.packageName,
4268                            ai.name);
4269                } else {
4270                    ai = getActivityInfo(comp, flags, userId);
4271                    if (ai == null) {
4272                        continue;
4273                    }
4274                }
4275
4276                // Look for any generic query activities that are duplicates
4277                // of this specific one, and remove them from the results.
4278                if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai);
4279                N = results.size();
4280                int j;
4281                for (j=specificsPos; j<N; j++) {
4282                    ResolveInfo sri = results.get(j);
4283                    if ((sri.activityInfo.name.equals(comp.getClassName())
4284                            && sri.activityInfo.applicationInfo.packageName.equals(
4285                                    comp.getPackageName()))
4286                        || (action != null && sri.filter.matchAction(action))) {
4287                        results.remove(j);
4288                        if (DEBUG_INTENT_MATCHING) Log.v(
4289                            TAG, "Removing duplicate item from " + j
4290                            + " due to specific " + specificsPos);
4291                        if (ri == null) {
4292                            ri = sri;
4293                        }
4294                        j--;
4295                        N--;
4296                    }
4297                }
4298
4299                // Add this specific item to its proper place.
4300                if (ri == null) {
4301                    ri = new ResolveInfo();
4302                    ri.activityInfo = ai;
4303                }
4304                results.add(specificsPos, ri);
4305                ri.specificIndex = i;
4306                specificsPos++;
4307            }
4308        }
4309
4310        // Now we go through the remaining generic results and remove any
4311        // duplicate actions that are found here.
4312        N = results.size();
4313        for (int i=specificsPos; i<N-1; i++) {
4314            final ResolveInfo rii = results.get(i);
4315            if (rii.filter == null) {
4316                continue;
4317            }
4318
4319            // Iterate over all of the actions of this result's intent
4320            // filter...  typically this should be just one.
4321            final Iterator<String> it = rii.filter.actionsIterator();
4322            if (it == null) {
4323                continue;
4324            }
4325            while (it.hasNext()) {
4326                final String action = it.next();
4327                if (resultsAction != null && resultsAction.equals(action)) {
4328                    // If this action was explicitly requested, then don't
4329                    // remove things that have it.
4330                    continue;
4331                }
4332                for (int j=i+1; j<N; j++) {
4333                    final ResolveInfo rij = results.get(j);
4334                    if (rij.filter != null && rij.filter.hasAction(action)) {
4335                        results.remove(j);
4336                        if (DEBUG_INTENT_MATCHING) Log.v(
4337                            TAG, "Removing duplicate item from " + j
4338                            + " due to action " + action + " at " + i);
4339                        j--;
4340                        N--;
4341                    }
4342                }
4343            }
4344
4345            // If the caller didn't request filter information, drop it now
4346            // so we don't have to marshall/unmarshall it.
4347            if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
4348                rii.filter = null;
4349            }
4350        }
4351
4352        // Filter out the caller activity if so requested.
4353        if (caller != null) {
4354            N = results.size();
4355            for (int i=0; i<N; i++) {
4356                ActivityInfo ainfo = results.get(i).activityInfo;
4357                if (caller.getPackageName().equals(ainfo.applicationInfo.packageName)
4358                        && caller.getClassName().equals(ainfo.name)) {
4359                    results.remove(i);
4360                    break;
4361                }
4362            }
4363        }
4364
4365        // If the caller didn't request filter information,
4366        // drop them now so we don't have to
4367        // marshall/unmarshall it.
4368        if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
4369            N = results.size();
4370            for (int i=0; i<N; i++) {
4371                results.get(i).filter = null;
4372            }
4373        }
4374
4375        if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results);
4376        return results;
4377    }
4378
4379    @Override
4380    public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags,
4381            int userId) {
4382        if (!sUserManager.exists(userId)) return Collections.emptyList();
4383        ComponentName comp = intent.getComponent();
4384        if (comp == null) {
4385            if (intent.getSelector() != null) {
4386                intent = intent.getSelector();
4387                comp = intent.getComponent();
4388            }
4389        }
4390        if (comp != null) {
4391            List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
4392            ActivityInfo ai = getReceiverInfo(comp, flags, userId);
4393            if (ai != null) {
4394                ResolveInfo ri = new ResolveInfo();
4395                ri.activityInfo = ai;
4396                list.add(ri);
4397            }
4398            return list;
4399        }
4400
4401        // reader
4402        synchronized (mPackages) {
4403            String pkgName = intent.getPackage();
4404            if (pkgName == null) {
4405                return mReceivers.queryIntent(intent, resolvedType, flags, userId);
4406            }
4407            final PackageParser.Package pkg = mPackages.get(pkgName);
4408            if (pkg != null) {
4409                return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers,
4410                        userId);
4411            }
4412            return null;
4413        }
4414    }
4415
4416    @Override
4417    public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) {
4418        List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId);
4419        if (!sUserManager.exists(userId)) return null;
4420        if (query != null) {
4421            if (query.size() >= 1) {
4422                // If there is more than one service with the same priority,
4423                // just arbitrarily pick the first one.
4424                return query.get(0);
4425            }
4426        }
4427        return null;
4428    }
4429
4430    @Override
4431    public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags,
4432            int userId) {
4433        if (!sUserManager.exists(userId)) return Collections.emptyList();
4434        ComponentName comp = intent.getComponent();
4435        if (comp == null) {
4436            if (intent.getSelector() != null) {
4437                intent = intent.getSelector();
4438                comp = intent.getComponent();
4439            }
4440        }
4441        if (comp != null) {
4442            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
4443            final ServiceInfo si = getServiceInfo(comp, flags, userId);
4444            if (si != null) {
4445                final ResolveInfo ri = new ResolveInfo();
4446                ri.serviceInfo = si;
4447                list.add(ri);
4448            }
4449            return list;
4450        }
4451
4452        // reader
4453        synchronized (mPackages) {
4454            String pkgName = intent.getPackage();
4455            if (pkgName == null) {
4456                return mServices.queryIntent(intent, resolvedType, flags, userId);
4457            }
4458            final PackageParser.Package pkg = mPackages.get(pkgName);
4459            if (pkg != null) {
4460                return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services,
4461                        userId);
4462            }
4463            return null;
4464        }
4465    }
4466
4467    @Override
4468    public List<ResolveInfo> queryIntentContentProviders(
4469            Intent intent, String resolvedType, int flags, int userId) {
4470        if (!sUserManager.exists(userId)) return Collections.emptyList();
4471        ComponentName comp = intent.getComponent();
4472        if (comp == null) {
4473            if (intent.getSelector() != null) {
4474                intent = intent.getSelector();
4475                comp = intent.getComponent();
4476            }
4477        }
4478        if (comp != null) {
4479            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
4480            final ProviderInfo pi = getProviderInfo(comp, flags, userId);
4481            if (pi != null) {
4482                final ResolveInfo ri = new ResolveInfo();
4483                ri.providerInfo = pi;
4484                list.add(ri);
4485            }
4486            return list;
4487        }
4488
4489        // reader
4490        synchronized (mPackages) {
4491            String pkgName = intent.getPackage();
4492            if (pkgName == null) {
4493                return mProviders.queryIntent(intent, resolvedType, flags, userId);
4494            }
4495            final PackageParser.Package pkg = mPackages.get(pkgName);
4496            if (pkg != null) {
4497                return mProviders.queryIntentForPackage(
4498                        intent, resolvedType, flags, pkg.providers, userId);
4499            }
4500            return null;
4501        }
4502    }
4503
4504    @Override
4505    public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) {
4506        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
4507
4508        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages");
4509
4510        // writer
4511        synchronized (mPackages) {
4512            ArrayList<PackageInfo> list;
4513            if (listUninstalled) {
4514                list = new ArrayList<PackageInfo>(mSettings.mPackages.size());
4515                for (PackageSetting ps : mSettings.mPackages.values()) {
4516                    PackageInfo pi;
4517                    if (ps.pkg != null) {
4518                        pi = generatePackageInfo(ps.pkg, flags, userId);
4519                    } else {
4520                        pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
4521                    }
4522                    if (pi != null) {
4523                        list.add(pi);
4524                    }
4525                }
4526            } else {
4527                list = new ArrayList<PackageInfo>(mPackages.size());
4528                for (PackageParser.Package p : mPackages.values()) {
4529                    PackageInfo pi = generatePackageInfo(p, flags, userId);
4530                    if (pi != null) {
4531                        list.add(pi);
4532                    }
4533                }
4534            }
4535
4536            return new ParceledListSlice<PackageInfo>(list);
4537        }
4538    }
4539
4540    private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps,
4541            String[] permissions, boolean[] tmp, int flags, int userId) {
4542        int numMatch = 0;
4543        final PermissionsState permissionsState = ps.getPermissionsState();
4544        for (int i=0; i<permissions.length; i++) {
4545            final String permission = permissions[i];
4546            if (permissionsState.hasPermission(permission, userId)) {
4547                tmp[i] = true;
4548                numMatch++;
4549            } else {
4550                tmp[i] = false;
4551            }
4552        }
4553        if (numMatch == 0) {
4554            return;
4555        }
4556        PackageInfo pi;
4557        if (ps.pkg != null) {
4558            pi = generatePackageInfo(ps.pkg, flags, userId);
4559        } else {
4560            pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
4561        }
4562        // The above might return null in cases of uninstalled apps or install-state
4563        // skew across users/profiles.
4564        if (pi != null) {
4565            if ((flags&PackageManager.GET_PERMISSIONS) == 0) {
4566                if (numMatch == permissions.length) {
4567                    pi.requestedPermissions = permissions;
4568                } else {
4569                    pi.requestedPermissions = new String[numMatch];
4570                    numMatch = 0;
4571                    for (int i=0; i<permissions.length; i++) {
4572                        if (tmp[i]) {
4573                            pi.requestedPermissions[numMatch] = permissions[i];
4574                            numMatch++;
4575                        }
4576                    }
4577                }
4578            }
4579            list.add(pi);
4580        }
4581    }
4582
4583    @Override
4584    public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions(
4585            String[] permissions, int flags, int userId) {
4586        if (!sUserManager.exists(userId)) return null;
4587        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
4588
4589        // writer
4590        synchronized (mPackages) {
4591            ArrayList<PackageInfo> list = new ArrayList<PackageInfo>();
4592            boolean[] tmpBools = new boolean[permissions.length];
4593            if (listUninstalled) {
4594                for (PackageSetting ps : mSettings.mPackages.values()) {
4595                    addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId);
4596                }
4597            } else {
4598                for (PackageParser.Package pkg : mPackages.values()) {
4599                    PackageSetting ps = (PackageSetting)pkg.mExtras;
4600                    if (ps != null) {
4601                        addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags,
4602                                userId);
4603                    }
4604                }
4605            }
4606
4607            return new ParceledListSlice<PackageInfo>(list);
4608        }
4609    }
4610
4611    @Override
4612    public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) {
4613        if (!sUserManager.exists(userId)) return null;
4614        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
4615
4616        // writer
4617        synchronized (mPackages) {
4618            ArrayList<ApplicationInfo> list;
4619            if (listUninstalled) {
4620                list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size());
4621                for (PackageSetting ps : mSettings.mPackages.values()) {
4622                    ApplicationInfo ai;
4623                    if (ps.pkg != null) {
4624                        ai = PackageParser.generateApplicationInfo(ps.pkg, flags,
4625                                ps.readUserState(userId), userId);
4626                    } else {
4627                        ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId);
4628                    }
4629                    if (ai != null) {
4630                        list.add(ai);
4631                    }
4632                }
4633            } else {
4634                list = new ArrayList<ApplicationInfo>(mPackages.size());
4635                for (PackageParser.Package p : mPackages.values()) {
4636                    if (p.mExtras != null) {
4637                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
4638                                ((PackageSetting)p.mExtras).readUserState(userId), userId);
4639                        if (ai != null) {
4640                            list.add(ai);
4641                        }
4642                    }
4643                }
4644            }
4645
4646            return new ParceledListSlice<ApplicationInfo>(list);
4647        }
4648    }
4649
4650    public List<ApplicationInfo> getPersistentApplications(int flags) {
4651        final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>();
4652
4653        // reader
4654        synchronized (mPackages) {
4655            final Iterator<PackageParser.Package> i = mPackages.values().iterator();
4656            final int userId = UserHandle.getCallingUserId();
4657            while (i.hasNext()) {
4658                final PackageParser.Package p = i.next();
4659                if (p.applicationInfo != null
4660                        && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0
4661                        && (!mSafeMode || isSystemApp(p))) {
4662                    PackageSetting ps = mSettings.mPackages.get(p.packageName);
4663                    if (ps != null) {
4664                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
4665                                ps.readUserState(userId), userId);
4666                        if (ai != null) {
4667                            finalList.add(ai);
4668                        }
4669                    }
4670                }
4671            }
4672        }
4673
4674        return finalList;
4675    }
4676
4677    @Override
4678    public ProviderInfo resolveContentProvider(String name, int flags, int userId) {
4679        if (!sUserManager.exists(userId)) return null;
4680        // reader
4681        synchronized (mPackages) {
4682            final PackageParser.Provider provider = mProvidersByAuthority.get(name);
4683            PackageSetting ps = provider != null
4684                    ? mSettings.mPackages.get(provider.owner.packageName)
4685                    : null;
4686            return ps != null
4687                    && mSettings.isEnabledLPr(provider.info, flags, userId)
4688                    && (!mSafeMode || (provider.info.applicationInfo.flags
4689                            &ApplicationInfo.FLAG_SYSTEM) != 0)
4690                    ? PackageParser.generateProviderInfo(provider, flags,
4691                            ps.readUserState(userId), userId)
4692                    : null;
4693        }
4694    }
4695
4696    /**
4697     * @deprecated
4698     */
4699    @Deprecated
4700    public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) {
4701        // reader
4702        synchronized (mPackages) {
4703            final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority
4704                    .entrySet().iterator();
4705            final int userId = UserHandle.getCallingUserId();
4706            while (i.hasNext()) {
4707                Map.Entry<String, PackageParser.Provider> entry = i.next();
4708                PackageParser.Provider p = entry.getValue();
4709                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
4710
4711                if (ps != null && p.syncable
4712                        && (!mSafeMode || (p.info.applicationInfo.flags
4713                                &ApplicationInfo.FLAG_SYSTEM) != 0)) {
4714                    ProviderInfo info = PackageParser.generateProviderInfo(p, 0,
4715                            ps.readUserState(userId), userId);
4716                    if (info != null) {
4717                        outNames.add(entry.getKey());
4718                        outInfo.add(info);
4719                    }
4720                }
4721            }
4722        }
4723    }
4724
4725    @Override
4726    public List<ProviderInfo> queryContentProviders(String processName,
4727            int uid, int flags) {
4728        ArrayList<ProviderInfo> finalList = null;
4729        // reader
4730        synchronized (mPackages) {
4731            final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator();
4732            final int userId = processName != null ?
4733                    UserHandle.getUserId(uid) : UserHandle.getCallingUserId();
4734            while (i.hasNext()) {
4735                final PackageParser.Provider p = i.next();
4736                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
4737                if (ps != null && p.info.authority != null
4738                        && (processName == null
4739                                || (p.info.processName.equals(processName)
4740                                        && UserHandle.isSameApp(p.info.applicationInfo.uid, uid)))
4741                        && mSettings.isEnabledLPr(p.info, flags, userId)
4742                        && (!mSafeMode
4743                                || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) {
4744                    if (finalList == null) {
4745                        finalList = new ArrayList<ProviderInfo>(3);
4746                    }
4747                    ProviderInfo info = PackageParser.generateProviderInfo(p, flags,
4748                            ps.readUserState(userId), userId);
4749                    if (info != null) {
4750                        finalList.add(info);
4751                    }
4752                }
4753            }
4754        }
4755
4756        if (finalList != null) {
4757            Collections.sort(finalList, mProviderInitOrderSorter);
4758        }
4759
4760        return finalList;
4761    }
4762
4763    @Override
4764    public InstrumentationInfo getInstrumentationInfo(ComponentName name,
4765            int flags) {
4766        // reader
4767        synchronized (mPackages) {
4768            final PackageParser.Instrumentation i = mInstrumentation.get(name);
4769            return PackageParser.generateInstrumentationInfo(i, flags);
4770        }
4771    }
4772
4773    @Override
4774    public List<InstrumentationInfo> queryInstrumentation(String targetPackage,
4775            int flags) {
4776        ArrayList<InstrumentationInfo> finalList =
4777            new ArrayList<InstrumentationInfo>();
4778
4779        // reader
4780        synchronized (mPackages) {
4781            final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator();
4782            while (i.hasNext()) {
4783                final PackageParser.Instrumentation p = i.next();
4784                if (targetPackage == null
4785                        || targetPackage.equals(p.info.targetPackage)) {
4786                    InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p,
4787                            flags);
4788                    if (ii != null) {
4789                        finalList.add(ii);
4790                    }
4791                }
4792            }
4793        }
4794
4795        return finalList;
4796    }
4797
4798    private void createIdmapsForPackageLI(PackageParser.Package pkg) {
4799        ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName);
4800        if (overlays == null) {
4801            Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages");
4802            return;
4803        }
4804        for (PackageParser.Package opkg : overlays.values()) {
4805            // Not much to do if idmap fails: we already logged the error
4806            // and we certainly don't want to abort installation of pkg simply
4807            // because an overlay didn't fit properly. For these reasons,
4808            // ignore the return value of createIdmapForPackagePairLI.
4809            createIdmapForPackagePairLI(pkg, opkg);
4810        }
4811    }
4812
4813    private boolean createIdmapForPackagePairLI(PackageParser.Package pkg,
4814            PackageParser.Package opkg) {
4815        if (!opkg.mTrustedOverlay) {
4816            Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " +
4817                    opkg.baseCodePath + ": overlay not trusted");
4818            return false;
4819        }
4820        ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName);
4821        if (overlaySet == null) {
4822            Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " +
4823                    opkg.baseCodePath + " but target package has no known overlays");
4824            return false;
4825        }
4826        final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
4827        // TODO: generate idmap for split APKs
4828        if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) {
4829            Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and "
4830                    + opkg.baseCodePath);
4831            return false;
4832        }
4833        PackageParser.Package[] overlayArray =
4834            overlaySet.values().toArray(new PackageParser.Package[0]);
4835        Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() {
4836            public int compare(PackageParser.Package p1, PackageParser.Package p2) {
4837                return p1.mOverlayPriority - p2.mOverlayPriority;
4838            }
4839        };
4840        Arrays.sort(overlayArray, cmp);
4841
4842        pkg.applicationInfo.resourceDirs = new String[overlayArray.length];
4843        int i = 0;
4844        for (PackageParser.Package p : overlayArray) {
4845            pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath;
4846        }
4847        return true;
4848    }
4849
4850    private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) {
4851        final File[] files = dir.listFiles();
4852        if (ArrayUtils.isEmpty(files)) {
4853            Log.d(TAG, "No files in app dir " + dir);
4854            return;
4855        }
4856
4857        if (DEBUG_PACKAGE_SCANNING) {
4858            Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags
4859                    + " flags=0x" + Integer.toHexString(parseFlags));
4860        }
4861
4862        for (File file : files) {
4863            final boolean isPackage = (isApkFile(file) || file.isDirectory())
4864                    && !PackageInstallerService.isStageName(file.getName());
4865            if (!isPackage) {
4866                // Ignore entries which are not packages
4867                continue;
4868            }
4869            try {
4870                scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK,
4871                        scanFlags, currentTime, null);
4872            } catch (PackageManagerException e) {
4873                Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage());
4874
4875                // Delete invalid userdata apps
4876                if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 &&
4877                        e.error == PackageManager.INSTALL_FAILED_INVALID_APK) {
4878                    logCriticalInfo(Log.WARN, "Deleting invalid package at " + file);
4879                    if (file.isDirectory()) {
4880                        mInstaller.rmPackageDir(file.getAbsolutePath());
4881                    } else {
4882                        file.delete();
4883                    }
4884                }
4885            }
4886        }
4887    }
4888
4889    private static File getSettingsProblemFile() {
4890        File dataDir = Environment.getDataDirectory();
4891        File systemDir = new File(dataDir, "system");
4892        File fname = new File(systemDir, "uiderrors.txt");
4893        return fname;
4894    }
4895
4896    static void reportSettingsProblem(int priority, String msg) {
4897        logCriticalInfo(priority, msg);
4898    }
4899
4900    static void logCriticalInfo(int priority, String msg) {
4901        Slog.println(priority, TAG, msg);
4902        EventLogTags.writePmCriticalInfo(msg);
4903        try {
4904            File fname = getSettingsProblemFile();
4905            FileOutputStream out = new FileOutputStream(fname, true);
4906            PrintWriter pw = new FastPrintWriter(out);
4907            SimpleDateFormat formatter = new SimpleDateFormat();
4908            String dateString = formatter.format(new Date(System.currentTimeMillis()));
4909            pw.println(dateString + ": " + msg);
4910            pw.close();
4911            FileUtils.setPermissions(
4912                    fname.toString(),
4913                    FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH,
4914                    -1, -1);
4915        } catch (java.io.IOException e) {
4916        }
4917    }
4918
4919    private void collectCertificatesLI(PackageParser pp, PackageSetting ps,
4920            PackageParser.Package pkg, File srcFile, int parseFlags)
4921            throws PackageManagerException {
4922        if (ps != null
4923                && ps.codePath.equals(srcFile)
4924                && ps.timeStamp == srcFile.lastModified()
4925                && !isCompatSignatureUpdateNeeded(pkg)
4926                && !isRecoverSignatureUpdateNeeded(pkg)) {
4927            long mSigningKeySetId = ps.keySetData.getProperSigningKeySet();
4928            if (ps.signatures.mSignatures != null
4929                    && ps.signatures.mSignatures.length != 0
4930                    && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) {
4931                // Optimization: reuse the existing cached certificates
4932                // if the package appears to be unchanged.
4933                pkg.mSignatures = ps.signatures.mSignatures;
4934                KeySetManagerService ksms = mSettings.mKeySetManagerService;
4935                synchronized (mPackages) {
4936                    pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId);
4937                }
4938                return;
4939            }
4940
4941            Slog.w(TAG, "PackageSetting for " + ps.name
4942                    + " is missing signatures.  Collecting certs again to recover them.");
4943        } else {
4944            Log.i(TAG, srcFile.toString() + " changed; collecting certs");
4945        }
4946
4947        try {
4948            pp.collectCertificates(pkg, parseFlags);
4949            pp.collectManifestDigest(pkg);
4950        } catch (PackageParserException e) {
4951            throw PackageManagerException.from(e);
4952        }
4953    }
4954
4955    /*
4956     *  Scan a package and return the newly parsed package.
4957     *  Returns null in case of errors and the error code is stored in mLastScanError
4958     */
4959    private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags,
4960            long currentTime, UserHandle user) throws PackageManagerException {
4961        if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile);
4962        parseFlags |= mDefParseFlags;
4963        PackageParser pp = new PackageParser();
4964        pp.setSeparateProcesses(mSeparateProcesses);
4965        pp.setOnlyCoreApps(mOnlyCore);
4966        pp.setDisplayMetrics(mMetrics);
4967
4968        if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) {
4969            parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY;
4970        }
4971
4972        final PackageParser.Package pkg;
4973        try {
4974            pkg = pp.parsePackage(scanFile, parseFlags);
4975        } catch (PackageParserException e) {
4976            throw PackageManagerException.from(e);
4977        }
4978
4979        PackageSetting ps = null;
4980        PackageSetting updatedPkg;
4981        // reader
4982        synchronized (mPackages) {
4983            // Look to see if we already know about this package.
4984            String oldName = mSettings.mRenamedPackages.get(pkg.packageName);
4985            if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) {
4986                // This package has been renamed to its original name.  Let's
4987                // use that.
4988                ps = mSettings.peekPackageLPr(oldName);
4989            }
4990            // If there was no original package, see one for the real package name.
4991            if (ps == null) {
4992                ps = mSettings.peekPackageLPr(pkg.packageName);
4993            }
4994            // Check to see if this package could be hiding/updating a system
4995            // package.  Must look for it either under the original or real
4996            // package name depending on our state.
4997            updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName);
4998            if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg);
4999        }
5000        boolean updatedPkgBetter = false;
5001        // First check if this is a system package that may involve an update
5002        if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
5003            // If new package is not located in "/system/priv-app" (e.g. due to an OTA),
5004            // it needs to drop FLAG_PRIVILEGED.
5005            if (locationIsPrivileged(scanFile)) {
5006                updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
5007            } else {
5008                updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
5009            }
5010
5011            if (ps != null && !ps.codePath.equals(scanFile)) {
5012                // The path has changed from what was last scanned...  check the
5013                // version of the new path against what we have stored to determine
5014                // what to do.
5015                if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath);
5016                if (pkg.mVersionCode <= ps.versionCode) {
5017                    // The system package has been updated and the code path does not match
5018                    // Ignore entry. Skip it.
5019                    Slog.i(TAG, "Package " + ps.name + " at " + scanFile
5020                            + " ignored: updated version " + ps.versionCode
5021                            + " better than this " + pkg.mVersionCode);
5022                    if (!updatedPkg.codePath.equals(scanFile)) {
5023                        Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : "
5024                                + ps.name + " changing from " + updatedPkg.codePathString
5025                                + " to " + scanFile);
5026                        updatedPkg.codePath = scanFile;
5027                        updatedPkg.codePathString = scanFile.toString();
5028                        updatedPkg.resourcePath = scanFile;
5029                        updatedPkg.resourcePathString = scanFile.toString();
5030                    }
5031                    updatedPkg.pkg = pkg;
5032                    throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null);
5033                } else {
5034                    // The current app on the system partition is better than
5035                    // what we have updated to on the data partition; switch
5036                    // back to the system partition version.
5037                    // At this point, its safely assumed that package installation for
5038                    // apps in system partition will go through. If not there won't be a working
5039                    // version of the app
5040                    // writer
5041                    synchronized (mPackages) {
5042                        // Just remove the loaded entries from package lists.
5043                        mPackages.remove(ps.name);
5044                    }
5045
5046                    logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile
5047                            + " reverting from " + ps.codePathString
5048                            + ": new version " + pkg.mVersionCode
5049                            + " better than installed " + ps.versionCode);
5050
5051                    InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
5052                            ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString,
5053                            getAppDexInstructionSets(ps));
5054                    synchronized (mInstallLock) {
5055                        args.cleanUpResourcesLI();
5056                    }
5057                    synchronized (mPackages) {
5058                        mSettings.enableSystemPackageLPw(ps.name);
5059                    }
5060                    updatedPkgBetter = true;
5061                }
5062            }
5063        }
5064
5065        if (updatedPkg != null) {
5066            // An updated system app will not have the PARSE_IS_SYSTEM flag set
5067            // initially
5068            parseFlags |= PackageParser.PARSE_IS_SYSTEM;
5069
5070            // An updated privileged app will not have the PARSE_IS_PRIVILEGED
5071            // flag set initially
5072            if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) {
5073                parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
5074            }
5075        }
5076
5077        // Verify certificates against what was last scanned
5078        collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags);
5079
5080        /*
5081         * A new system app appeared, but we already had a non-system one of the
5082         * same name installed earlier.
5083         */
5084        boolean shouldHideSystemApp = false;
5085        if (updatedPkg == null && ps != null
5086                && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) {
5087            /*
5088             * Check to make sure the signatures match first. If they don't,
5089             * wipe the installed application and its data.
5090             */
5091            if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures)
5092                    != PackageManager.SIGNATURE_MATCH) {
5093                logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but"
5094                        + " signatures don't match existing userdata copy; removing");
5095                deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false);
5096                ps = null;
5097            } else {
5098                /*
5099                 * If the newly-added system app is an older version than the
5100                 * already installed version, hide it. It will be scanned later
5101                 * and re-added like an update.
5102                 */
5103                if (pkg.mVersionCode <= ps.versionCode) {
5104                    shouldHideSystemApp = true;
5105                    logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile
5106                            + " but new version " + pkg.mVersionCode + " better than installed "
5107                            + ps.versionCode + "; hiding system");
5108                } else {
5109                    /*
5110                     * The newly found system app is a newer version that the
5111                     * one previously installed. Simply remove the
5112                     * already-installed application and replace it with our own
5113                     * while keeping the application data.
5114                     */
5115                    logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile
5116                            + " reverting from " + ps.codePathString + ": new version "
5117                            + pkg.mVersionCode + " better than installed " + ps.versionCode);
5118                    InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
5119                            ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString,
5120                            getAppDexInstructionSets(ps));
5121                    synchronized (mInstallLock) {
5122                        args.cleanUpResourcesLI();
5123                    }
5124                }
5125            }
5126        }
5127
5128        // The apk is forward locked (not public) if its code and resources
5129        // are kept in different files. (except for app in either system or
5130        // vendor path).
5131        // TODO grab this value from PackageSettings
5132        if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5133            if (ps != null && !ps.codePath.equals(ps.resourcePath)) {
5134                parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
5135            }
5136        }
5137
5138        // TODO: extend to support forward-locked splits
5139        String resourcePath = null;
5140        String baseResourcePath = null;
5141        if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) {
5142            if (ps != null && ps.resourcePathString != null) {
5143                resourcePath = ps.resourcePathString;
5144                baseResourcePath = ps.resourcePathString;
5145            } else {
5146                // Should not happen at all. Just log an error.
5147                Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName);
5148            }
5149        } else {
5150            resourcePath = pkg.codePath;
5151            baseResourcePath = pkg.baseCodePath;
5152        }
5153
5154        // Set application objects path explicitly.
5155        pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
5156        pkg.applicationInfo.setCodePath(pkg.codePath);
5157        pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
5158        pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
5159        pkg.applicationInfo.setResourcePath(resourcePath);
5160        pkg.applicationInfo.setBaseResourcePath(baseResourcePath);
5161        pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
5162
5163        // Note that we invoke the following method only if we are about to unpack an application
5164        PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags
5165                | SCAN_UPDATE_SIGNATURE, currentTime, user);
5166
5167        /*
5168         * If the system app should be overridden by a previously installed
5169         * data, hide the system app now and let the /data/app scan pick it up
5170         * again.
5171         */
5172        if (shouldHideSystemApp) {
5173            synchronized (mPackages) {
5174                /*
5175                 * We have to grant systems permissions before we hide, because
5176                 * grantPermissions will assume the package update is trying to
5177                 * expand its permissions.
5178                 */
5179                grantPermissionsLPw(pkg, true, pkg.packageName);
5180                mSettings.disableSystemPackageLPw(pkg.packageName);
5181            }
5182        }
5183
5184        return scannedPkg;
5185    }
5186
5187    private static String fixProcessName(String defProcessName,
5188            String processName, int uid) {
5189        if (processName == null) {
5190            return defProcessName;
5191        }
5192        return processName;
5193    }
5194
5195    private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg)
5196            throws PackageManagerException {
5197        if (pkgSetting.signatures.mSignatures != null) {
5198            // Already existing package. Make sure signatures match
5199            boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures)
5200                    == PackageManager.SIGNATURE_MATCH;
5201            if (!match) {
5202                match = compareSignaturesCompat(pkgSetting.signatures, pkg)
5203                        == PackageManager.SIGNATURE_MATCH;
5204            }
5205            if (!match) {
5206                match = compareSignaturesRecover(pkgSetting.signatures, pkg)
5207                        == PackageManager.SIGNATURE_MATCH;
5208            }
5209            if (!match) {
5210                throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
5211                        + pkg.packageName + " signatures do not match the "
5212                        + "previously installed version; ignoring!");
5213            }
5214        }
5215
5216        // Check for shared user signatures
5217        if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) {
5218            // Already existing package. Make sure signatures match
5219            boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
5220                    pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
5221            if (!match) {
5222                match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg)
5223                        == PackageManager.SIGNATURE_MATCH;
5224            }
5225            if (!match) {
5226                match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg)
5227                        == PackageManager.SIGNATURE_MATCH;
5228            }
5229            if (!match) {
5230                throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
5231                        "Package " + pkg.packageName
5232                        + " has no signatures that match those in shared user "
5233                        + pkgSetting.sharedUser.name + "; ignoring!");
5234            }
5235        }
5236    }
5237
5238    /**
5239     * Enforces that only the system UID or root's UID can call a method exposed
5240     * via Binder.
5241     *
5242     * @param message used as message if SecurityException is thrown
5243     * @throws SecurityException if the caller is not system or root
5244     */
5245    private static final void enforceSystemOrRoot(String message) {
5246        final int uid = Binder.getCallingUid();
5247        if (uid != Process.SYSTEM_UID && uid != 0) {
5248            throw new SecurityException(message);
5249        }
5250    }
5251
5252    @Override
5253    public void performBootDexOpt() {
5254        enforceSystemOrRoot("Only the system can request dexopt be performed");
5255
5256        // Before everything else, see whether we need to fstrim.
5257        try {
5258            IMountService ms = PackageHelper.getMountService();
5259            if (ms != null) {
5260                final boolean isUpgrade = isUpgrade();
5261                boolean doTrim = isUpgrade;
5262                if (doTrim) {
5263                    Slog.w(TAG, "Running disk maintenance immediately due to system update");
5264                } else {
5265                    final long interval = android.provider.Settings.Global.getLong(
5266                            mContext.getContentResolver(),
5267                            android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL,
5268                            DEFAULT_MANDATORY_FSTRIM_INTERVAL);
5269                    if (interval > 0) {
5270                        final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance();
5271                        if (timeSinceLast > interval) {
5272                            doTrim = true;
5273                            Slog.w(TAG, "No disk maintenance in " + timeSinceLast
5274                                    + "; running immediately");
5275                        }
5276                    }
5277                }
5278                if (doTrim) {
5279                    if (!isFirstBoot()) {
5280                        try {
5281                            ActivityManagerNative.getDefault().showBootMessage(
5282                                    mContext.getResources().getString(
5283                                            R.string.android_upgrading_fstrim), true);
5284                        } catch (RemoteException e) {
5285                        }
5286                    }
5287                    ms.runMaintenance();
5288                }
5289            } else {
5290                Slog.e(TAG, "Mount service unavailable!");
5291            }
5292        } catch (RemoteException e) {
5293            // Can't happen; MountService is local
5294        }
5295
5296        final ArraySet<PackageParser.Package> pkgs;
5297        synchronized (mPackages) {
5298            pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages();
5299        }
5300
5301        if (pkgs != null) {
5302            // Sort apps by importance for dexopt ordering. Important apps are given more priority
5303            // in case the device runs out of space.
5304            ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>();
5305            // Give priority to core apps.
5306            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
5307                PackageParser.Package pkg = it.next();
5308                if (pkg.coreApp) {
5309                    if (DEBUG_DEXOPT) {
5310                        Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName);
5311                    }
5312                    sortedPkgs.add(pkg);
5313                    it.remove();
5314                }
5315            }
5316            // Give priority to system apps that listen for pre boot complete.
5317            Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED);
5318            ArraySet<String> pkgNames = getPackageNamesForIntent(intent);
5319            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
5320                PackageParser.Package pkg = it.next();
5321                if (pkgNames.contains(pkg.packageName)) {
5322                    if (DEBUG_DEXOPT) {
5323                        Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName);
5324                    }
5325                    sortedPkgs.add(pkg);
5326                    it.remove();
5327                }
5328            }
5329            // Give priority to system apps.
5330            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
5331                PackageParser.Package pkg = it.next();
5332                if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) {
5333                    if (DEBUG_DEXOPT) {
5334                        Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName);
5335                    }
5336                    sortedPkgs.add(pkg);
5337                    it.remove();
5338                }
5339            }
5340            // Give priority to updated system apps.
5341            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
5342                PackageParser.Package pkg = it.next();
5343                if (pkg.isUpdatedSystemApp()) {
5344                    if (DEBUG_DEXOPT) {
5345                        Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName);
5346                    }
5347                    sortedPkgs.add(pkg);
5348                    it.remove();
5349                }
5350            }
5351            // Give priority to apps that listen for boot complete.
5352            intent = new Intent(Intent.ACTION_BOOT_COMPLETED);
5353            pkgNames = getPackageNamesForIntent(intent);
5354            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
5355                PackageParser.Package pkg = it.next();
5356                if (pkgNames.contains(pkg.packageName)) {
5357                    if (DEBUG_DEXOPT) {
5358                        Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName);
5359                    }
5360                    sortedPkgs.add(pkg);
5361                    it.remove();
5362                }
5363            }
5364            // Filter out packages that aren't recently used.
5365            filterRecentlyUsedApps(pkgs);
5366            // Add all remaining apps.
5367            for (PackageParser.Package pkg : pkgs) {
5368                if (DEBUG_DEXOPT) {
5369                    Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName);
5370                }
5371                sortedPkgs.add(pkg);
5372            }
5373
5374            // If we want to be lazy, filter everything that wasn't recently used.
5375            if (mLazyDexOpt) {
5376                filterRecentlyUsedApps(sortedPkgs);
5377            }
5378
5379            int i = 0;
5380            int total = sortedPkgs.size();
5381            File dataDir = Environment.getDataDirectory();
5382            long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir);
5383            if (lowThreshold == 0) {
5384                throw new IllegalStateException("Invalid low memory threshold");
5385            }
5386            for (PackageParser.Package pkg : sortedPkgs) {
5387                long usableSpace = dataDir.getUsableSpace();
5388                if (usableSpace < lowThreshold) {
5389                    Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace);
5390                    break;
5391                }
5392                performBootDexOpt(pkg, ++i, total);
5393            }
5394        }
5395    }
5396
5397    private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) {
5398        // Filter out packages that aren't recently used.
5399        //
5400        // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which
5401        // should do a full dexopt.
5402        if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) {
5403            int total = pkgs.size();
5404            int skipped = 0;
5405            long now = System.currentTimeMillis();
5406            for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) {
5407                PackageParser.Package pkg = i.next();
5408                long then = pkg.mLastPackageUsageTimeInMills;
5409                if (then + mDexOptLRUThresholdInMills < now) {
5410                    if (DEBUG_DEXOPT) {
5411                        Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " +
5412                              ((then == 0) ? "never" : new Date(then)));
5413                    }
5414                    i.remove();
5415                    skipped++;
5416                }
5417            }
5418            if (DEBUG_DEXOPT) {
5419                Log.i(TAG, "Skipped optimizing " + skipped + " of " + total);
5420            }
5421        }
5422    }
5423
5424    private ArraySet<String> getPackageNamesForIntent(Intent intent) {
5425        List<ResolveInfo> ris = null;
5426        try {
5427            ris = AppGlobals.getPackageManager().queryIntentReceivers(
5428                    intent, null, 0, UserHandle.USER_OWNER);
5429        } catch (RemoteException e) {
5430        }
5431        ArraySet<String> pkgNames = new ArraySet<String>();
5432        if (ris != null) {
5433            for (ResolveInfo ri : ris) {
5434                pkgNames.add(ri.activityInfo.packageName);
5435            }
5436        }
5437        return pkgNames;
5438    }
5439
5440    private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) {
5441        if (DEBUG_DEXOPT) {
5442            Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName);
5443        }
5444        if (!isFirstBoot()) {
5445            try {
5446                ActivityManagerNative.getDefault().showBootMessage(
5447                        mContext.getResources().getString(R.string.android_upgrading_apk,
5448                                curr, total), true);
5449            } catch (RemoteException e) {
5450            }
5451        }
5452        PackageParser.Package p = pkg;
5453        synchronized (mInstallLock) {
5454            mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */,
5455                    false /* force dex */, false /* defer */, true /* include dependencies */);
5456        }
5457    }
5458
5459    @Override
5460    public boolean performDexOptIfNeeded(String packageName, String instructionSet) {
5461        return performDexOpt(packageName, instructionSet, false);
5462    }
5463
5464    public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) {
5465        boolean dexopt = mLazyDexOpt || backgroundDexopt;
5466        boolean updateUsage = !backgroundDexopt;  // Don't update usage if this is just a backgroundDexopt
5467        if (!dexopt && !updateUsage) {
5468            // We aren't going to dexopt or update usage, so bail early.
5469            return false;
5470        }
5471        PackageParser.Package p;
5472        final String targetInstructionSet;
5473        synchronized (mPackages) {
5474            p = mPackages.get(packageName);
5475            if (p == null) {
5476                return false;
5477            }
5478            if (updateUsage) {
5479                p.mLastPackageUsageTimeInMills = System.currentTimeMillis();
5480            }
5481            mPackageUsage.write(false);
5482            if (!dexopt) {
5483                // We aren't going to dexopt, so bail early.
5484                return false;
5485            }
5486
5487            targetInstructionSet = instructionSet != null ? instructionSet :
5488                    getPrimaryInstructionSet(p.applicationInfo);
5489            if (p.mDexOptPerformed.contains(targetInstructionSet)) {
5490                return false;
5491            }
5492        }
5493
5494        synchronized (mInstallLock) {
5495            final String[] instructionSets = new String[] { targetInstructionSet };
5496            int result = mPackageDexOptimizer.performDexOpt(p, instructionSets,
5497                    false /* forceDex */, false /* defer */, true /* inclDependencies */);
5498            return result == PackageDexOptimizer.DEX_OPT_PERFORMED;
5499        }
5500    }
5501
5502    public ArraySet<String> getPackagesThatNeedDexOpt() {
5503        ArraySet<String> pkgs = null;
5504        synchronized (mPackages) {
5505            for (PackageParser.Package p : mPackages.values()) {
5506                if (DEBUG_DEXOPT) {
5507                    Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray());
5508                }
5509                if (!p.mDexOptPerformed.isEmpty()) {
5510                    continue;
5511                }
5512                if (pkgs == null) {
5513                    pkgs = new ArraySet<String>();
5514                }
5515                pkgs.add(p.packageName);
5516            }
5517        }
5518        return pkgs;
5519    }
5520
5521    public void shutdown() {
5522        mPackageUsage.write(true);
5523    }
5524
5525    @Override
5526    public void forceDexOpt(String packageName) {
5527        enforceSystemOrRoot("forceDexOpt");
5528
5529        PackageParser.Package pkg;
5530        synchronized (mPackages) {
5531            pkg = mPackages.get(packageName);
5532            if (pkg == null) {
5533                throw new IllegalArgumentException("Missing package: " + packageName);
5534            }
5535        }
5536
5537        synchronized (mInstallLock) {
5538            final String[] instructionSets = new String[] {
5539                    getPrimaryInstructionSet(pkg.applicationInfo) };
5540            final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets,
5541                    true /*forceDex*/, false /* defer */, true /* inclDependencies */);
5542            if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) {
5543                throw new IllegalStateException("Failed to dexopt: " + res);
5544            }
5545        }
5546    }
5547
5548    private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) {
5549        if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) {
5550            Slog.w(TAG, "Unable to update from " + oldPkg.name
5551                    + " to " + newPkg.packageName
5552                    + ": old package not in system partition");
5553            return false;
5554        } else if (mPackages.get(oldPkg.name) != null) {
5555            Slog.w(TAG, "Unable to update from " + oldPkg.name
5556                    + " to " + newPkg.packageName
5557                    + ": old package still exists");
5558            return false;
5559        }
5560        return true;
5561    }
5562
5563    private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) {
5564        int[] users = sUserManager.getUserIds();
5565        int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo);
5566        if (res < 0) {
5567            return res;
5568        }
5569        for (int user : users) {
5570            if (user != 0) {
5571                res = mInstaller.createUserData(volumeUuid, packageName,
5572                        UserHandle.getUid(user, uid), user, seinfo);
5573                if (res < 0) {
5574                    return res;
5575                }
5576            }
5577        }
5578        return res;
5579    }
5580
5581    private int removeDataDirsLI(String volumeUuid, String packageName) {
5582        int[] users = sUserManager.getUserIds();
5583        int res = 0;
5584        for (int user : users) {
5585            int resInner = mInstaller.remove(volumeUuid, packageName, user);
5586            if (resInner < 0) {
5587                res = resInner;
5588            }
5589        }
5590
5591        return res;
5592    }
5593
5594    private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) {
5595        int[] users = sUserManager.getUserIds();
5596        int res = 0;
5597        for (int user : users) {
5598            int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user);
5599            if (resInner < 0) {
5600                res = resInner;
5601            }
5602        }
5603        return res;
5604    }
5605
5606    private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file,
5607            PackageParser.Package changingLib) {
5608        if (file.path != null) {
5609            usesLibraryFiles.add(file.path);
5610            return;
5611        }
5612        PackageParser.Package p = mPackages.get(file.apk);
5613        if (changingLib != null && changingLib.packageName.equals(file.apk)) {
5614            // If we are doing this while in the middle of updating a library apk,
5615            // then we need to make sure to use that new apk for determining the
5616            // dependencies here.  (We haven't yet finished committing the new apk
5617            // to the package manager state.)
5618            if (p == null || p.packageName.equals(changingLib.packageName)) {
5619                p = changingLib;
5620            }
5621        }
5622        if (p != null) {
5623            usesLibraryFiles.addAll(p.getAllCodePaths());
5624        }
5625    }
5626
5627    private void updateSharedLibrariesLPw(PackageParser.Package pkg,
5628            PackageParser.Package changingLib) throws PackageManagerException {
5629        if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) {
5630            final ArraySet<String> usesLibraryFiles = new ArraySet<>();
5631            int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0;
5632            for (int i=0; i<N; i++) {
5633                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i));
5634                if (file == null) {
5635                    throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY,
5636                            "Package " + pkg.packageName + " requires unavailable shared library "
5637                            + pkg.usesLibraries.get(i) + "; failing!");
5638                }
5639                addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
5640            }
5641            N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0;
5642            for (int i=0; i<N; i++) {
5643                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i));
5644                if (file == null) {
5645                    Slog.w(TAG, "Package " + pkg.packageName
5646                            + " desires unavailable shared library "
5647                            + pkg.usesOptionalLibraries.get(i) + "; ignoring!");
5648                } else {
5649                    addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
5650                }
5651            }
5652            N = usesLibraryFiles.size();
5653            if (N > 0) {
5654                pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]);
5655            } else {
5656                pkg.usesLibraryFiles = null;
5657            }
5658        }
5659    }
5660
5661    private static boolean hasString(List<String> list, List<String> which) {
5662        if (list == null) {
5663            return false;
5664        }
5665        for (int i=list.size()-1; i>=0; i--) {
5666            for (int j=which.size()-1; j>=0; j--) {
5667                if (which.get(j).equals(list.get(i))) {
5668                    return true;
5669                }
5670            }
5671        }
5672        return false;
5673    }
5674
5675    private void updateAllSharedLibrariesLPw() {
5676        for (PackageParser.Package pkg : mPackages.values()) {
5677            try {
5678                updateSharedLibrariesLPw(pkg, null);
5679            } catch (PackageManagerException e) {
5680                Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
5681            }
5682        }
5683    }
5684
5685    private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw(
5686            PackageParser.Package changingPkg) {
5687        ArrayList<PackageParser.Package> res = null;
5688        for (PackageParser.Package pkg : mPackages.values()) {
5689            if (hasString(pkg.usesLibraries, changingPkg.libraryNames)
5690                    || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) {
5691                if (res == null) {
5692                    res = new ArrayList<PackageParser.Package>();
5693                }
5694                res.add(pkg);
5695                try {
5696                    updateSharedLibrariesLPw(pkg, changingPkg);
5697                } catch (PackageManagerException e) {
5698                    Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
5699                }
5700            }
5701        }
5702        return res;
5703    }
5704
5705    /**
5706     * Derive the value of the {@code cpuAbiOverride} based on the provided
5707     * value and an optional stored value from the package settings.
5708     */
5709    private static String deriveAbiOverride(String abiOverride, PackageSetting settings) {
5710        String cpuAbiOverride = null;
5711
5712        if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) {
5713            cpuAbiOverride = null;
5714        } else if (abiOverride != null) {
5715            cpuAbiOverride = abiOverride;
5716        } else if (settings != null) {
5717            cpuAbiOverride = settings.cpuAbiOverrideString;
5718        }
5719
5720        return cpuAbiOverride;
5721    }
5722
5723    private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags,
5724            int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
5725        boolean success = false;
5726        try {
5727            final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags,
5728                    currentTime, user);
5729            success = true;
5730            return res;
5731        } finally {
5732            if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) {
5733                removeDataDirsLI(pkg.volumeUuid, pkg.packageName);
5734            }
5735        }
5736    }
5737
5738    private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags,
5739            int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
5740        final File scanFile = new File(pkg.codePath);
5741        if (pkg.applicationInfo.getCodePath() == null ||
5742                pkg.applicationInfo.getResourcePath() == null) {
5743            // Bail out. The resource and code paths haven't been set.
5744            throw new PackageManagerException(INSTALL_FAILED_INVALID_APK,
5745                    "Code and resource paths haven't been set correctly");
5746        }
5747
5748        if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
5749            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM;
5750        } else {
5751            // Only allow system apps to be flagged as core apps.
5752            pkg.coreApp = false;
5753        }
5754
5755        if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) {
5756            pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
5757        }
5758
5759        if (mCustomResolverComponentName != null &&
5760                mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) {
5761            setUpCustomResolverActivity(pkg);
5762        }
5763
5764        if (pkg.packageName.equals("android")) {
5765            synchronized (mPackages) {
5766                if (mAndroidApplication != null) {
5767                    Slog.w(TAG, "*************************************************");
5768                    Slog.w(TAG, "Core android package being redefined.  Skipping.");
5769                    Slog.w(TAG, " file=" + scanFile);
5770                    Slog.w(TAG, "*************************************************");
5771                    throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
5772                            "Core android package being redefined.  Skipping.");
5773                }
5774
5775                // Set up information for our fall-back user intent resolution activity.
5776                mPlatformPackage = pkg;
5777                pkg.mVersionCode = mSdkVersion;
5778                mAndroidApplication = pkg.applicationInfo;
5779
5780                if (!mResolverReplaced) {
5781                    mResolveActivity.applicationInfo = mAndroidApplication;
5782                    mResolveActivity.name = ResolverActivity.class.getName();
5783                    mResolveActivity.packageName = mAndroidApplication.packageName;
5784                    mResolveActivity.processName = "system:ui";
5785                    mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
5786                    mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER;
5787                    mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS;
5788                    mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert;
5789                    mResolveActivity.exported = true;
5790                    mResolveActivity.enabled = true;
5791                    mResolveInfo.activityInfo = mResolveActivity;
5792                    mResolveInfo.priority = 0;
5793                    mResolveInfo.preferredOrder = 0;
5794                    mResolveInfo.match = 0;
5795                    mResolveComponentName = new ComponentName(
5796                            mAndroidApplication.packageName, mResolveActivity.name);
5797                }
5798            }
5799        }
5800
5801        if (DEBUG_PACKAGE_SCANNING) {
5802            if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5803                Log.d(TAG, "Scanning package " + pkg.packageName);
5804        }
5805
5806        if (mPackages.containsKey(pkg.packageName)
5807                || mSharedLibraries.containsKey(pkg.packageName)) {
5808            throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
5809                    "Application package " + pkg.packageName
5810                    + " already installed.  Skipping duplicate.");
5811        }
5812
5813        // If we're only installing presumed-existing packages, require that the
5814        // scanned APK is both already known and at the path previously established
5815        // for it.  Previously unknown packages we pick up normally, but if we have an
5816        // a priori expectation about this package's install presence, enforce it.
5817        if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) {
5818            PackageSetting known = mSettings.peekPackageLPr(pkg.packageName);
5819            if (known != null) {
5820                if (DEBUG_PACKAGE_SCANNING) {
5821                    Log.d(TAG, "Examining " + pkg.codePath
5822                            + " and requiring known paths " + known.codePathString
5823                            + " & " + known.resourcePathString);
5824                }
5825                if (!pkg.applicationInfo.getCodePath().equals(known.codePathString)
5826                        || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) {
5827                    throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED,
5828                            "Application package " + pkg.packageName
5829                            + " found at " + pkg.applicationInfo.getCodePath()
5830                            + " but expected at " + known.codePathString + "; ignoring.");
5831                }
5832            }
5833        }
5834
5835        // Initialize package source and resource directories
5836        File destCodeFile = new File(pkg.applicationInfo.getCodePath());
5837        File destResourceFile = new File(pkg.applicationInfo.getResourcePath());
5838
5839        SharedUserSetting suid = null;
5840        PackageSetting pkgSetting = null;
5841
5842        if (!isSystemApp(pkg)) {
5843            // Only system apps can use these features.
5844            pkg.mOriginalPackages = null;
5845            pkg.mRealPackage = null;
5846            pkg.mAdoptPermissions = null;
5847        }
5848
5849        // writer
5850        synchronized (mPackages) {
5851            if (pkg.mSharedUserId != null) {
5852                suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true);
5853                if (suid == null) {
5854                    throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
5855                            "Creating application package " + pkg.packageName
5856                            + " for shared user failed");
5857                }
5858                if (DEBUG_PACKAGE_SCANNING) {
5859                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5860                        Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId
5861                                + "): packages=" + suid.packages);
5862                }
5863            }
5864
5865            // Check if we are renaming from an original package name.
5866            PackageSetting origPackage = null;
5867            String realName = null;
5868            if (pkg.mOriginalPackages != null) {
5869                // This package may need to be renamed to a previously
5870                // installed name.  Let's check on that...
5871                final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage);
5872                if (pkg.mOriginalPackages.contains(renamed)) {
5873                    // This package had originally been installed as the
5874                    // original name, and we have already taken care of
5875                    // transitioning to the new one.  Just update the new
5876                    // one to continue using the old name.
5877                    realName = pkg.mRealPackage;
5878                    if (!pkg.packageName.equals(renamed)) {
5879                        // Callers into this function may have already taken
5880                        // care of renaming the package; only do it here if
5881                        // it is not already done.
5882                        pkg.setPackageName(renamed);
5883                    }
5884
5885                } else {
5886                    for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) {
5887                        if ((origPackage = mSettings.peekPackageLPr(
5888                                pkg.mOriginalPackages.get(i))) != null) {
5889                            // We do have the package already installed under its
5890                            // original name...  should we use it?
5891                            if (!verifyPackageUpdateLPr(origPackage, pkg)) {
5892                                // New package is not compatible with original.
5893                                origPackage = null;
5894                                continue;
5895                            } else if (origPackage.sharedUser != null) {
5896                                // Make sure uid is compatible between packages.
5897                                if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) {
5898                                    Slog.w(TAG, "Unable to migrate data from " + origPackage.name
5899                                            + " to " + pkg.packageName + ": old uid "
5900                                            + origPackage.sharedUser.name
5901                                            + " differs from " + pkg.mSharedUserId);
5902                                    origPackage = null;
5903                                    continue;
5904                                }
5905                            } else {
5906                                if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package "
5907                                        + pkg.packageName + " to old name " + origPackage.name);
5908                            }
5909                            break;
5910                        }
5911                    }
5912                }
5913            }
5914
5915            if (mTransferedPackages.contains(pkg.packageName)) {
5916                Slog.w(TAG, "Package " + pkg.packageName
5917                        + " was transferred to another, but its .apk remains");
5918            }
5919
5920            // Just create the setting, don't add it yet. For already existing packages
5921            // the PkgSetting exists already and doesn't have to be created.
5922            pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile,
5923                    destResourceFile, pkg.applicationInfo.nativeLibraryRootDir,
5924                    pkg.applicationInfo.primaryCpuAbi,
5925                    pkg.applicationInfo.secondaryCpuAbi,
5926                    pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags,
5927                    user, false);
5928            if (pkgSetting == null) {
5929                throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
5930                        "Creating application package " + pkg.packageName + " failed");
5931            }
5932
5933            if (pkgSetting.origPackage != null) {
5934                // If we are first transitioning from an original package,
5935                // fix up the new package's name now.  We need to do this after
5936                // looking up the package under its new name, so getPackageLP
5937                // can take care of fiddling things correctly.
5938                pkg.setPackageName(origPackage.name);
5939
5940                // File a report about this.
5941                String msg = "New package " + pkgSetting.realName
5942                        + " renamed to replace old package " + pkgSetting.name;
5943                reportSettingsProblem(Log.WARN, msg);
5944
5945                // Make a note of it.
5946                mTransferedPackages.add(origPackage.name);
5947
5948                // No longer need to retain this.
5949                pkgSetting.origPackage = null;
5950            }
5951
5952            if (realName != null) {
5953                // Make a note of it.
5954                mTransferedPackages.add(pkg.packageName);
5955            }
5956
5957            if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) {
5958                pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
5959            }
5960
5961            if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5962                // Check all shared libraries and map to their actual file path.
5963                // We only do this here for apps not on a system dir, because those
5964                // are the only ones that can fail an install due to this.  We
5965                // will take care of the system apps by updating all of their
5966                // library paths after the scan is done.
5967                updateSharedLibrariesLPw(pkg, null);
5968            }
5969
5970            if (mFoundPolicyFile) {
5971                SELinuxMMAC.assignSeinfoValue(pkg);
5972            }
5973
5974            pkg.applicationInfo.uid = pkgSetting.appId;
5975            pkg.mExtras = pkgSetting;
5976            if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) {
5977                try {
5978                    verifySignaturesLP(pkgSetting, pkg);
5979                    // We just determined the app is signed correctly, so bring
5980                    // over the latest parsed certs.
5981                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
5982                } catch (PackageManagerException e) {
5983                    if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5984                        throw e;
5985                    }
5986                    // The signature has changed, but this package is in the system
5987                    // image...  let's recover!
5988                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
5989                    // However...  if this package is part of a shared user, but it
5990                    // doesn't match the signature of the shared user, let's fail.
5991                    // What this means is that you can't change the signatures
5992                    // associated with an overall shared user, which doesn't seem all
5993                    // that unreasonable.
5994                    if (pkgSetting.sharedUser != null) {
5995                        if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
5996                                              pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) {
5997                            throw new PackageManagerException(
5998                                    INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES,
5999                                            "Signature mismatch for shared user : "
6000                                            + pkgSetting.sharedUser);
6001                        }
6002                    }
6003                    // File a report about this.
6004                    String msg = "System package " + pkg.packageName
6005                        + " signature changed; retaining data.";
6006                    reportSettingsProblem(Log.WARN, msg);
6007                }
6008            } else {
6009                if (!checkUpgradeKeySetLP(pkgSetting, pkg)) {
6010                    throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
6011                            + pkg.packageName + " upgrade keys do not match the "
6012                            + "previously installed version");
6013                } else {
6014                    // We just determined the app is signed correctly, so bring
6015                    // over the latest parsed certs.
6016                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
6017                }
6018            }
6019            // Verify that this new package doesn't have any content providers
6020            // that conflict with existing packages.  Only do this if the
6021            // package isn't already installed, since we don't want to break
6022            // things that are installed.
6023            if ((scanFlags & SCAN_NEW_INSTALL) != 0) {
6024                final int N = pkg.providers.size();
6025                int i;
6026                for (i=0; i<N; i++) {
6027                    PackageParser.Provider p = pkg.providers.get(i);
6028                    if (p.info.authority != null) {
6029                        String names[] = p.info.authority.split(";");
6030                        for (int j = 0; j < names.length; j++) {
6031                            if (mProvidersByAuthority.containsKey(names[j])) {
6032                                PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
6033                                final String otherPackageName =
6034                                        ((other != null && other.getComponentName() != null) ?
6035                                                other.getComponentName().getPackageName() : "?");
6036                                throw new PackageManagerException(
6037                                        INSTALL_FAILED_CONFLICTING_PROVIDER,
6038                                                "Can't install because provider name " + names[j]
6039                                                + " (in package " + pkg.applicationInfo.packageName
6040                                                + ") is already used by " + otherPackageName);
6041                            }
6042                        }
6043                    }
6044                }
6045            }
6046
6047            if (pkg.mAdoptPermissions != null) {
6048                // This package wants to adopt ownership of permissions from
6049                // another package.
6050                for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) {
6051                    final String origName = pkg.mAdoptPermissions.get(i);
6052                    final PackageSetting orig = mSettings.peekPackageLPr(origName);
6053                    if (orig != null) {
6054                        if (verifyPackageUpdateLPr(orig, pkg)) {
6055                            Slog.i(TAG, "Adopting permissions from " + origName + " to "
6056                                    + pkg.packageName);
6057                            mSettings.transferPermissionsLPw(origName, pkg.packageName);
6058                        }
6059                    }
6060                }
6061            }
6062        }
6063
6064        final String pkgName = pkg.packageName;
6065
6066        final long scanFileTime = scanFile.lastModified();
6067        final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0;
6068        pkg.applicationInfo.processName = fixProcessName(
6069                pkg.applicationInfo.packageName,
6070                pkg.applicationInfo.processName,
6071                pkg.applicationInfo.uid);
6072
6073        File dataPath;
6074        if (mPlatformPackage == pkg) {
6075            // The system package is special.
6076            dataPath = new File(Environment.getDataDirectory(), "system");
6077
6078            pkg.applicationInfo.dataDir = dataPath.getPath();
6079
6080        } else {
6081            // This is a normal package, need to make its data directory.
6082            dataPath = PackageManager.getDataDirForUser(pkg.volumeUuid, pkg.packageName,
6083                    UserHandle.USER_OWNER);
6084
6085            boolean uidError = false;
6086            if (dataPath.exists()) {
6087                int currentUid = 0;
6088                try {
6089                    StructStat stat = Os.stat(dataPath.getPath());
6090                    currentUid = stat.st_uid;
6091                } catch (ErrnoException e) {
6092                    Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e);
6093                }
6094
6095                // If we have mismatched owners for the data path, we have a problem.
6096                if (currentUid != pkg.applicationInfo.uid) {
6097                    boolean recovered = false;
6098                    if (currentUid == 0) {
6099                        // The directory somehow became owned by root.  Wow.
6100                        // This is probably because the system was stopped while
6101                        // installd was in the middle of messing with its libs
6102                        // directory.  Ask installd to fix that.
6103                        int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName,
6104                                pkg.applicationInfo.uid, pkg.applicationInfo.uid);
6105                        if (ret >= 0) {
6106                            recovered = true;
6107                            String msg = "Package " + pkg.packageName
6108                                    + " unexpectedly changed to uid 0; recovered to " +
6109                                    + pkg.applicationInfo.uid;
6110                            reportSettingsProblem(Log.WARN, msg);
6111                        }
6112                    }
6113                    if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
6114                            || (scanFlags&SCAN_BOOTING) != 0)) {
6115                        // If this is a system app, we can at least delete its
6116                        // current data so the application will still work.
6117                        int ret = removeDataDirsLI(pkg.volumeUuid, pkgName);
6118                        if (ret >= 0) {
6119                            // TODO: Kill the processes first
6120                            // Old data gone!
6121                            String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
6122                                    ? "System package " : "Third party package ";
6123                            String msg = prefix + pkg.packageName
6124                                    + " has changed from uid: "
6125                                    + currentUid + " to "
6126                                    + pkg.applicationInfo.uid + "; old data erased";
6127                            reportSettingsProblem(Log.WARN, msg);
6128                            recovered = true;
6129
6130                            // And now re-install the app.
6131                            ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid,
6132                                    pkg.applicationInfo.seinfo);
6133                            if (ret == -1) {
6134                                // Ack should not happen!
6135                                msg = prefix + pkg.packageName
6136                                        + " could not have data directory re-created after delete.";
6137                                reportSettingsProblem(Log.WARN, msg);
6138                                throw new PackageManagerException(
6139                                        INSTALL_FAILED_INSUFFICIENT_STORAGE, msg);
6140                            }
6141                        }
6142                        if (!recovered) {
6143                            mHasSystemUidErrors = true;
6144                        }
6145                    } else if (!recovered) {
6146                        // If we allow this install to proceed, we will be broken.
6147                        // Abort, abort!
6148                        throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED,
6149                                "scanPackageLI");
6150                    }
6151                    if (!recovered) {
6152                        pkg.applicationInfo.dataDir = "/mismatched_uid/settings_"
6153                            + pkg.applicationInfo.uid + "/fs_"
6154                            + currentUid;
6155                        pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir;
6156                        pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir;
6157                        String msg = "Package " + pkg.packageName
6158                                + " has mismatched uid: "
6159                                + currentUid + " on disk, "
6160                                + pkg.applicationInfo.uid + " in settings";
6161                        // writer
6162                        synchronized (mPackages) {
6163                            mSettings.mReadMessages.append(msg);
6164                            mSettings.mReadMessages.append('\n');
6165                            uidError = true;
6166                            if (!pkgSetting.uidError) {
6167                                reportSettingsProblem(Log.ERROR, msg);
6168                            }
6169                        }
6170                    }
6171                }
6172                pkg.applicationInfo.dataDir = dataPath.getPath();
6173                if (mShouldRestoreconData) {
6174                    Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued.");
6175                    mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName,
6176                            pkg.applicationInfo.seinfo, pkg.applicationInfo.uid);
6177                }
6178            } else {
6179                if (DEBUG_PACKAGE_SCANNING) {
6180                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
6181                        Log.v(TAG, "Want this data dir: " + dataPath);
6182                }
6183                //invoke installer to do the actual installation
6184                int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid,
6185                        pkg.applicationInfo.seinfo);
6186                if (ret < 0) {
6187                    // Error from installer
6188                    throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
6189                            "Unable to create data dirs [errorCode=" + ret + "]");
6190                }
6191
6192                if (dataPath.exists()) {
6193                    pkg.applicationInfo.dataDir = dataPath.getPath();
6194                } else {
6195                    Slog.w(TAG, "Unable to create data directory: " + dataPath);
6196                    pkg.applicationInfo.dataDir = null;
6197                }
6198            }
6199
6200            pkgSetting.uidError = uidError;
6201        }
6202
6203        final String path = scanFile.getPath();
6204        final String codePath = pkg.applicationInfo.getCodePath();
6205        final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting);
6206        if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) {
6207            setBundledAppAbisAndRoots(pkg, pkgSetting);
6208
6209            // If we haven't found any native libraries for the app, check if it has
6210            // renderscript code. We'll need to force the app to 32 bit if it has
6211            // renderscript bitcode.
6212            if (pkg.applicationInfo.primaryCpuAbi == null
6213                    && pkg.applicationInfo.secondaryCpuAbi == null
6214                    && Build.SUPPORTED_64_BIT_ABIS.length >  0) {
6215                NativeLibraryHelper.Handle handle = null;
6216                try {
6217                    handle = NativeLibraryHelper.Handle.create(scanFile);
6218                    if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
6219                        pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
6220                    }
6221                } catch (IOException ioe) {
6222                    Slog.w(TAG, "Error scanning system app : " + ioe);
6223                } finally {
6224                    IoUtils.closeQuietly(handle);
6225                }
6226            }
6227
6228            setNativeLibraryPaths(pkg);
6229        } else {
6230            // TODO: We can probably be smarter about this stuff. For installed apps,
6231            // we can calculate this information at install time once and for all. For
6232            // system apps, we can probably assume that this information doesn't change
6233            // after the first boot scan. As things stand, we do lots of unnecessary work.
6234
6235            // Give ourselves some initial paths; we'll come back for another
6236            // pass once we've determined ABI below.
6237            setNativeLibraryPaths(pkg);
6238
6239            final boolean isAsec = pkg.isForwardLocked() || isExternal(pkg);
6240            final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir;
6241            final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa;
6242
6243            NativeLibraryHelper.Handle handle = null;
6244            try {
6245                handle = NativeLibraryHelper.Handle.create(scanFile);
6246                // TODO(multiArch): This can be null for apps that didn't go through the
6247                // usual installation process. We can calculate it again, like we
6248                // do during install time.
6249                //
6250                // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally
6251                // unnecessary.
6252                final File nativeLibraryRoot = new File(nativeLibraryRootStr);
6253
6254                // Null out the abis so that they can be recalculated.
6255                pkg.applicationInfo.primaryCpuAbi = null;
6256                pkg.applicationInfo.secondaryCpuAbi = null;
6257                if (isMultiArch(pkg.applicationInfo)) {
6258                    // Warn if we've set an abiOverride for multi-lib packages..
6259                    // By definition, we need to copy both 32 and 64 bit libraries for
6260                    // such packages.
6261                    if (pkg.cpuAbiOverride != null
6262                            && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) {
6263                        Slog.w(TAG, "Ignoring abiOverride for multi arch application.");
6264                    }
6265
6266                    int abi32 = PackageManager.NO_NATIVE_LIBRARIES;
6267                    int abi64 = PackageManager.NO_NATIVE_LIBRARIES;
6268                    if (Build.SUPPORTED_32_BIT_ABIS.length > 0) {
6269                        if (isAsec) {
6270                            abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS);
6271                        } else {
6272                            abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
6273                                    nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS,
6274                                    useIsaSpecificSubdirs);
6275                        }
6276                    }
6277
6278                    maybeThrowExceptionForMultiArchCopy(
6279                            "Error unpackaging 32 bit native libs for multiarch app.", abi32);
6280
6281                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0) {
6282                        if (isAsec) {
6283                            abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS);
6284                        } else {
6285                            abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
6286                                    nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS,
6287                                    useIsaSpecificSubdirs);
6288                        }
6289                    }
6290
6291                    maybeThrowExceptionForMultiArchCopy(
6292                            "Error unpackaging 64 bit native libs for multiarch app.", abi64);
6293
6294                    if (abi64 >= 0) {
6295                        pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64];
6296                    }
6297
6298                    if (abi32 >= 0) {
6299                        final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32];
6300                        if (abi64 >= 0) {
6301                            pkg.applicationInfo.secondaryCpuAbi = abi;
6302                        } else {
6303                            pkg.applicationInfo.primaryCpuAbi = abi;
6304                        }
6305                    }
6306                } else {
6307                    String[] abiList = (cpuAbiOverride != null) ?
6308                            new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS;
6309
6310                    // Enable gross and lame hacks for apps that are built with old
6311                    // SDK tools. We must scan their APKs for renderscript bitcode and
6312                    // not launch them if it's present. Don't bother checking on devices
6313                    // that don't have 64 bit support.
6314                    boolean needsRenderScriptOverride = false;
6315                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null &&
6316                            NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
6317                        abiList = Build.SUPPORTED_32_BIT_ABIS;
6318                        needsRenderScriptOverride = true;
6319                    }
6320
6321                    final int copyRet;
6322                    if (isAsec) {
6323                        copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList);
6324                    } else {
6325                        copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
6326                                nativeLibraryRoot, abiList, useIsaSpecificSubdirs);
6327                    }
6328
6329                    if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) {
6330                        throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
6331                                "Error unpackaging native libs for app, errorCode=" + copyRet);
6332                    }
6333
6334                    if (copyRet >= 0) {
6335                        pkg.applicationInfo.primaryCpuAbi = abiList[copyRet];
6336                    } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) {
6337                        pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride;
6338                    } else if (needsRenderScriptOverride) {
6339                        pkg.applicationInfo.primaryCpuAbi = abiList[0];
6340                    }
6341                }
6342            } catch (IOException ioe) {
6343                Slog.e(TAG, "Unable to get canonical file " + ioe.toString());
6344            } finally {
6345                IoUtils.closeQuietly(handle);
6346            }
6347
6348            // Now that we've calculated the ABIs and determined if it's an internal app,
6349            // we will go ahead and populate the nativeLibraryPath.
6350            setNativeLibraryPaths(pkg);
6351
6352            if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path);
6353            final int[] userIds = sUserManager.getUserIds();
6354            synchronized (mInstallLock) {
6355                // Create a native library symlink only if we have native libraries
6356                // and if the native libraries are 32 bit libraries. We do not provide
6357                // this symlink for 64 bit libraries.
6358                if (pkg.applicationInfo.primaryCpuAbi != null &&
6359                        !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
6360                    final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
6361                    for (int userId : userIds) {
6362                        if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName,
6363                                nativeLibPath, userId) < 0) {
6364                            throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
6365                                    "Failed linking native library dir (user=" + userId + ")");
6366                        }
6367                    }
6368                }
6369            }
6370        }
6371
6372        // This is a special case for the "system" package, where the ABI is
6373        // dictated by the zygote configuration (and init.rc). We should keep track
6374        // of this ABI so that we can deal with "normal" applications that run under
6375        // the same UID correctly.
6376        if (mPlatformPackage == pkg) {
6377            pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ?
6378                    Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0];
6379        }
6380
6381        pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
6382        pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
6383        pkgSetting.cpuAbiOverrideString = cpuAbiOverride;
6384        // Copy the derived override back to the parsed package, so that we can
6385        // update the package settings accordingly.
6386        pkg.cpuAbiOverride = cpuAbiOverride;
6387
6388        if (DEBUG_ABI_SELECTION) {
6389            Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName
6390                    + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa="
6391                    + pkg.applicationInfo.nativeLibraryRootRequiresIsa);
6392        }
6393
6394        // Push the derived path down into PackageSettings so we know what to
6395        // clean up at uninstall time.
6396        pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir;
6397
6398        if (DEBUG_ABI_SELECTION) {
6399            Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" +
6400                    " primary=" + pkg.applicationInfo.primaryCpuAbi +
6401                    " secondary=" + pkg.applicationInfo.secondaryCpuAbi);
6402        }
6403
6404        if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) {
6405            // We don't do this here during boot because we can do it all
6406            // at once after scanning all existing packages.
6407            //
6408            // We also do this *before* we perform dexopt on this package, so that
6409            // we can avoid redundant dexopts, and also to make sure we've got the
6410            // code and package path correct.
6411            adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages,
6412                    pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0);
6413        }
6414
6415        if ((scanFlags & SCAN_NO_DEX) == 0) {
6416            int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */,
6417                    forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */);
6418            if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
6419                throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI");
6420            }
6421        }
6422        if (mFactoryTest && pkg.requestedPermissions.contains(
6423                android.Manifest.permission.FACTORY_TEST)) {
6424            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST;
6425        }
6426
6427        ArrayList<PackageParser.Package> clientLibPkgs = null;
6428
6429        // writer
6430        synchronized (mPackages) {
6431            if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
6432                // Only system apps can add new shared libraries.
6433                if (pkg.libraryNames != null) {
6434                    for (int i=0; i<pkg.libraryNames.size(); i++) {
6435                        String name = pkg.libraryNames.get(i);
6436                        boolean allowed = false;
6437                        if (pkg.isUpdatedSystemApp()) {
6438                            // New library entries can only be added through the
6439                            // system image.  This is important to get rid of a lot
6440                            // of nasty edge cases: for example if we allowed a non-
6441                            // system update of the app to add a library, then uninstalling
6442                            // the update would make the library go away, and assumptions
6443                            // we made such as through app install filtering would now
6444                            // have allowed apps on the device which aren't compatible
6445                            // with it.  Better to just have the restriction here, be
6446                            // conservative, and create many fewer cases that can negatively
6447                            // impact the user experience.
6448                            final PackageSetting sysPs = mSettings
6449                                    .getDisabledSystemPkgLPr(pkg.packageName);
6450                            if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) {
6451                                for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) {
6452                                    if (name.equals(sysPs.pkg.libraryNames.get(j))) {
6453                                        allowed = true;
6454                                        allowed = true;
6455                                        break;
6456                                    }
6457                                }
6458                            }
6459                        } else {
6460                            allowed = true;
6461                        }
6462                        if (allowed) {
6463                            if (!mSharedLibraries.containsKey(name)) {
6464                                mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName));
6465                            } else if (!name.equals(pkg.packageName)) {
6466                                Slog.w(TAG, "Package " + pkg.packageName + " library "
6467                                        + name + " already exists; skipping");
6468                            }
6469                        } else {
6470                            Slog.w(TAG, "Package " + pkg.packageName + " declares lib "
6471                                    + name + " that is not declared on system image; skipping");
6472                        }
6473                    }
6474                    if ((scanFlags&SCAN_BOOTING) == 0) {
6475                        // If we are not booting, we need to update any applications
6476                        // that are clients of our shared library.  If we are booting,
6477                        // this will all be done once the scan is complete.
6478                        clientLibPkgs = updateAllSharedLibrariesLPw(pkg);
6479                    }
6480                }
6481            }
6482        }
6483
6484        // We also need to dexopt any apps that are dependent on this library.  Note that
6485        // if these fail, we should abort the install since installing the library will
6486        // result in some apps being broken.
6487        if (clientLibPkgs != null) {
6488            if ((scanFlags & SCAN_NO_DEX) == 0) {
6489                for (int i = 0; i < clientLibPkgs.size(); i++) {
6490                    PackageParser.Package clientPkg = clientLibPkgs.get(i);
6491                    int result = mPackageDexOptimizer.performDexOpt(clientPkg,
6492                            null /* instruction sets */, forceDex,
6493                            (scanFlags & SCAN_DEFER_DEX) != 0, false);
6494                    if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
6495                        throw new PackageManagerException(INSTALL_FAILED_DEXOPT,
6496                                "scanPackageLI failed to dexopt clientLibPkgs");
6497                    }
6498                }
6499            }
6500        }
6501
6502        // Also need to kill any apps that are dependent on the library.
6503        if (clientLibPkgs != null) {
6504            for (int i=0; i<clientLibPkgs.size(); i++) {
6505                PackageParser.Package clientPkg = clientLibPkgs.get(i);
6506                killApplication(clientPkg.applicationInfo.packageName,
6507                        clientPkg.applicationInfo.uid, "update lib");
6508            }
6509        }
6510
6511        // writer
6512        synchronized (mPackages) {
6513            // We don't expect installation to fail beyond this point
6514
6515            // Add the new setting to mSettings
6516            mSettings.insertPackageSettingLPw(pkgSetting, pkg);
6517            // Add the new setting to mPackages
6518            mPackages.put(pkg.applicationInfo.packageName, pkg);
6519            // Make sure we don't accidentally delete its data.
6520            final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator();
6521            while (iter.hasNext()) {
6522                PackageCleanItem item = iter.next();
6523                if (pkgName.equals(item.packageName)) {
6524                    iter.remove();
6525                }
6526            }
6527
6528            // Take care of first install / last update times.
6529            if (currentTime != 0) {
6530                if (pkgSetting.firstInstallTime == 0) {
6531                    pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime;
6532                } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) {
6533                    pkgSetting.lastUpdateTime = currentTime;
6534                }
6535            } else if (pkgSetting.firstInstallTime == 0) {
6536                // We need *something*.  Take time time stamp of the file.
6537                pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime;
6538            } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) {
6539                if (scanFileTime != pkgSetting.timeStamp) {
6540                    // A package on the system image has changed; consider this
6541                    // to be an update.
6542                    pkgSetting.lastUpdateTime = scanFileTime;
6543                }
6544            }
6545
6546            // Add the package's KeySets to the global KeySetManagerService
6547            KeySetManagerService ksms = mSettings.mKeySetManagerService;
6548            try {
6549                ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys);
6550                if (pkg.mKeySetMapping != null) {
6551                    ksms.addDefinedKeySetsToPackageLPw(pkg.packageName, pkg.mKeySetMapping);
6552                    if (pkg.mUpgradeKeySets != null) {
6553                        ksms.addUpgradeKeySetsToPackageLPw(pkg.packageName, pkg.mUpgradeKeySets);
6554                    }
6555                }
6556            } catch (NullPointerException e) {
6557                Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e);
6558            } catch (IllegalArgumentException e) {
6559                Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e);
6560            }
6561
6562            int N = pkg.providers.size();
6563            StringBuilder r = null;
6564            int i;
6565            for (i=0; i<N; i++) {
6566                PackageParser.Provider p = pkg.providers.get(i);
6567                p.info.processName = fixProcessName(pkg.applicationInfo.processName,
6568                        p.info.processName, pkg.applicationInfo.uid);
6569                mProviders.addProvider(p);
6570                p.syncable = p.info.isSyncable;
6571                if (p.info.authority != null) {
6572                    String names[] = p.info.authority.split(";");
6573                    p.info.authority = null;
6574                    for (int j = 0; j < names.length; j++) {
6575                        if (j == 1 && p.syncable) {
6576                            // We only want the first authority for a provider to possibly be
6577                            // syncable, so if we already added this provider using a different
6578                            // authority clear the syncable flag. We copy the provider before
6579                            // changing it because the mProviders object contains a reference
6580                            // to a provider that we don't want to change.
6581                            // Only do this for the second authority since the resulting provider
6582                            // object can be the same for all future authorities for this provider.
6583                            p = new PackageParser.Provider(p);
6584                            p.syncable = false;
6585                        }
6586                        if (!mProvidersByAuthority.containsKey(names[j])) {
6587                            mProvidersByAuthority.put(names[j], p);
6588                            if (p.info.authority == null) {
6589                                p.info.authority = names[j];
6590                            } else {
6591                                p.info.authority = p.info.authority + ";" + names[j];
6592                            }
6593                            if (DEBUG_PACKAGE_SCANNING) {
6594                                if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
6595                                    Log.d(TAG, "Registered content provider: " + names[j]
6596                                            + ", className = " + p.info.name + ", isSyncable = "
6597                                            + p.info.isSyncable);
6598                            }
6599                        } else {
6600                            PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
6601                            Slog.w(TAG, "Skipping provider name " + names[j] +
6602                                    " (in package " + pkg.applicationInfo.packageName +
6603                                    "): name already used by "
6604                                    + ((other != null && other.getComponentName() != null)
6605                                            ? other.getComponentName().getPackageName() : "?"));
6606                        }
6607                    }
6608                }
6609                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6610                    if (r == null) {
6611                        r = new StringBuilder(256);
6612                    } else {
6613                        r.append(' ');
6614                    }
6615                    r.append(p.info.name);
6616                }
6617            }
6618            if (r != null) {
6619                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Providers: " + r);
6620            }
6621
6622            N = pkg.services.size();
6623            r = null;
6624            for (i=0; i<N; i++) {
6625                PackageParser.Service s = pkg.services.get(i);
6626                s.info.processName = fixProcessName(pkg.applicationInfo.processName,
6627                        s.info.processName, pkg.applicationInfo.uid);
6628                mServices.addService(s);
6629                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6630                    if (r == null) {
6631                        r = new StringBuilder(256);
6632                    } else {
6633                        r.append(' ');
6634                    }
6635                    r.append(s.info.name);
6636                }
6637            }
6638            if (r != null) {
6639                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Services: " + r);
6640            }
6641
6642            N = pkg.receivers.size();
6643            r = null;
6644            for (i=0; i<N; i++) {
6645                PackageParser.Activity a = pkg.receivers.get(i);
6646                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
6647                        a.info.processName, pkg.applicationInfo.uid);
6648                mReceivers.addActivity(a, "receiver");
6649                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6650                    if (r == null) {
6651                        r = new StringBuilder(256);
6652                    } else {
6653                        r.append(' ');
6654                    }
6655                    r.append(a.info.name);
6656                }
6657            }
6658            if (r != null) {
6659                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Receivers: " + r);
6660            }
6661
6662            N = pkg.activities.size();
6663            r = null;
6664            for (i=0; i<N; i++) {
6665                PackageParser.Activity a = pkg.activities.get(i);
6666                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
6667                        a.info.processName, pkg.applicationInfo.uid);
6668                mActivities.addActivity(a, "activity");
6669                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6670                    if (r == null) {
6671                        r = new StringBuilder(256);
6672                    } else {
6673                        r.append(' ');
6674                    }
6675                    r.append(a.info.name);
6676                }
6677            }
6678            if (r != null) {
6679                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Activities: " + r);
6680            }
6681
6682            N = pkg.permissionGroups.size();
6683            r = null;
6684            for (i=0; i<N; i++) {
6685                PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i);
6686                PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name);
6687                if (cur == null) {
6688                    mPermissionGroups.put(pg.info.name, pg);
6689                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6690                        if (r == null) {
6691                            r = new StringBuilder(256);
6692                        } else {
6693                            r.append(' ');
6694                        }
6695                        r.append(pg.info.name);
6696                    }
6697                } else {
6698                    Slog.w(TAG, "Permission group " + pg.info.name + " from package "
6699                            + pg.info.packageName + " ignored: original from "
6700                            + cur.info.packageName);
6701                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6702                        if (r == null) {
6703                            r = new StringBuilder(256);
6704                        } else {
6705                            r.append(' ');
6706                        }
6707                        r.append("DUP:");
6708                        r.append(pg.info.name);
6709                    }
6710                }
6711            }
6712            if (r != null) {
6713                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permission Groups: " + r);
6714            }
6715
6716            N = pkg.permissions.size();
6717            r = null;
6718            for (i=0; i<N; i++) {
6719                PackageParser.Permission p = pkg.permissions.get(i);
6720
6721                // Now that permission groups have a special meaning, we ignore permission
6722                // groups for legacy apps to prevent unexpected behavior. In particular,
6723                // permissions for one app being granted to someone just becuase they happen
6724                // to be in a group defined by another app (before this had no implications).
6725                if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) {
6726                    p.group = mPermissionGroups.get(p.info.group);
6727                    // Warn for a permission in an unknown group.
6728                    if (p.info.group != null && p.group == null) {
6729                        Slog.w(TAG, "Permission " + p.info.name + " from package "
6730                                + p.info.packageName + " in an unknown group " + p.info.group);
6731                    }
6732                }
6733
6734                ArrayMap<String, BasePermission> permissionMap =
6735                        p.tree ? mSettings.mPermissionTrees
6736                                : mSettings.mPermissions;
6737                BasePermission bp = permissionMap.get(p.info.name);
6738
6739                // Allow system apps to redefine non-system permissions
6740                if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) {
6741                    final boolean currentOwnerIsSystem = (bp.perm != null
6742                            && isSystemApp(bp.perm.owner));
6743                    if (isSystemApp(p.owner)) {
6744                        if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) {
6745                            // It's a built-in permission and no owner, take ownership now
6746                            bp.packageSetting = pkgSetting;
6747                            bp.perm = p;
6748                            bp.uid = pkg.applicationInfo.uid;
6749                            bp.sourcePackage = p.info.packageName;
6750                        } else if (!currentOwnerIsSystem) {
6751                            String msg = "New decl " + p.owner + " of permission  "
6752                                    + p.info.name + " is system; overriding " + bp.sourcePackage;
6753                            reportSettingsProblem(Log.WARN, msg);
6754                            bp = null;
6755                        }
6756                    }
6757                }
6758
6759                if (bp == null) {
6760                    bp = new BasePermission(p.info.name, p.info.packageName,
6761                            BasePermission.TYPE_NORMAL);
6762                    permissionMap.put(p.info.name, bp);
6763                }
6764
6765                if (bp.perm == null) {
6766                    if (bp.sourcePackage == null
6767                            || bp.sourcePackage.equals(p.info.packageName)) {
6768                        BasePermission tree = findPermissionTreeLP(p.info.name);
6769                        if (tree == null
6770                                || tree.sourcePackage.equals(p.info.packageName)) {
6771                            bp.packageSetting = pkgSetting;
6772                            bp.perm = p;
6773                            bp.uid = pkg.applicationInfo.uid;
6774                            bp.sourcePackage = p.info.packageName;
6775                            if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6776                                if (r == null) {
6777                                    r = new StringBuilder(256);
6778                                } else {
6779                                    r.append(' ');
6780                                }
6781                                r.append(p.info.name);
6782                            }
6783                        } else {
6784                            Slog.w(TAG, "Permission " + p.info.name + " from package "
6785                                    + p.info.packageName + " ignored: base tree "
6786                                    + tree.name + " is from package "
6787                                    + tree.sourcePackage);
6788                        }
6789                    } else {
6790                        Slog.w(TAG, "Permission " + p.info.name + " from package "
6791                                + p.info.packageName + " ignored: original from "
6792                                + bp.sourcePackage);
6793                    }
6794                } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6795                    if (r == null) {
6796                        r = new StringBuilder(256);
6797                    } else {
6798                        r.append(' ');
6799                    }
6800                    r.append("DUP:");
6801                    r.append(p.info.name);
6802                }
6803                if (bp.perm == p) {
6804                    bp.protectionLevel = p.info.protectionLevel;
6805                }
6806            }
6807
6808            if (r != null) {
6809                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permissions: " + r);
6810            }
6811
6812            N = pkg.instrumentation.size();
6813            r = null;
6814            for (i=0; i<N; i++) {
6815                PackageParser.Instrumentation a = pkg.instrumentation.get(i);
6816                a.info.packageName = pkg.applicationInfo.packageName;
6817                a.info.sourceDir = pkg.applicationInfo.sourceDir;
6818                a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir;
6819                a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs;
6820                a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs;
6821                a.info.dataDir = pkg.applicationInfo.dataDir;
6822
6823                // TODO: Update instrumentation.nativeLibraryDir as well ? Does it
6824                // need other information about the application, like the ABI and what not ?
6825                a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir;
6826                mInstrumentation.put(a.getComponentName(), a);
6827                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6828                    if (r == null) {
6829                        r = new StringBuilder(256);
6830                    } else {
6831                        r.append(' ');
6832                    }
6833                    r.append(a.info.name);
6834                }
6835            }
6836            if (r != null) {
6837                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Instrumentation: " + r);
6838            }
6839
6840            if (pkg.protectedBroadcasts != null) {
6841                N = pkg.protectedBroadcasts.size();
6842                for (i=0; i<N; i++) {
6843                    mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i));
6844                }
6845            }
6846
6847            pkgSetting.setTimeStamp(scanFileTime);
6848
6849            // Create idmap files for pairs of (packages, overlay packages).
6850            // Note: "android", ie framework-res.apk, is handled by native layers.
6851            if (pkg.mOverlayTarget != null) {
6852                // This is an overlay package.
6853                if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) {
6854                    if (!mOverlays.containsKey(pkg.mOverlayTarget)) {
6855                        mOverlays.put(pkg.mOverlayTarget,
6856                                new ArrayMap<String, PackageParser.Package>());
6857                    }
6858                    ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget);
6859                    map.put(pkg.packageName, pkg);
6860                    PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget);
6861                    if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) {
6862                        throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
6863                                "scanPackageLI failed to createIdmap");
6864                    }
6865                }
6866            } else if (mOverlays.containsKey(pkg.packageName) &&
6867                    !pkg.packageName.equals("android")) {
6868                // This is a regular package, with one or more known overlay packages.
6869                createIdmapsForPackageLI(pkg);
6870            }
6871        }
6872
6873        return pkg;
6874    }
6875
6876    /**
6877     * Adjusts ABIs for a set of packages belonging to a shared user so that they all match.
6878     * i.e, so that all packages can be run inside a single process if required.
6879     *
6880     * Optionally, callers can pass in a parsed package via {@code newPackage} in which case
6881     * this function will either try and make the ABI for all packages in {@code packagesForUser}
6882     * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match
6883     * the ABI selected for {@code packagesForUser}. This variant is used when installing or
6884     * updating a package that belongs to a shared user.
6885     *
6886     * NOTE: We currently only match for the primary CPU abi string. Matching the secondary
6887     * adds unnecessary complexity.
6888     */
6889    private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser,
6890            PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) {
6891        String requiredInstructionSet = null;
6892        if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) {
6893            requiredInstructionSet = VMRuntime.getInstructionSet(
6894                     scannedPackage.applicationInfo.primaryCpuAbi);
6895        }
6896
6897        PackageSetting requirer = null;
6898        for (PackageSetting ps : packagesForUser) {
6899            // If packagesForUser contains scannedPackage, we skip it. This will happen
6900            // when scannedPackage is an update of an existing package. Without this check,
6901            // we will never be able to change the ABI of any package belonging to a shared
6902            // user, even if it's compatible with other packages.
6903            if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
6904                if (ps.primaryCpuAbiString == null) {
6905                    continue;
6906                }
6907
6908                final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString);
6909                if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) {
6910                    // We have a mismatch between instruction sets (say arm vs arm64) warn about
6911                    // this but there's not much we can do.
6912                    String errorMessage = "Instruction set mismatch, "
6913                            + ((requirer == null) ? "[caller]" : requirer)
6914                            + " requires " + requiredInstructionSet + " whereas " + ps
6915                            + " requires " + instructionSet;
6916                    Slog.w(TAG, errorMessage);
6917                }
6918
6919                if (requiredInstructionSet == null) {
6920                    requiredInstructionSet = instructionSet;
6921                    requirer = ps;
6922                }
6923            }
6924        }
6925
6926        if (requiredInstructionSet != null) {
6927            String adjustedAbi;
6928            if (requirer != null) {
6929                // requirer != null implies that either scannedPackage was null or that scannedPackage
6930                // did not require an ABI, in which case we have to adjust scannedPackage to match
6931                // the ABI of the set (which is the same as requirer's ABI)
6932                adjustedAbi = requirer.primaryCpuAbiString;
6933                if (scannedPackage != null) {
6934                    scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi;
6935                }
6936            } else {
6937                // requirer == null implies that we're updating all ABIs in the set to
6938                // match scannedPackage.
6939                adjustedAbi =  scannedPackage.applicationInfo.primaryCpuAbi;
6940            }
6941
6942            for (PackageSetting ps : packagesForUser) {
6943                if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
6944                    if (ps.primaryCpuAbiString != null) {
6945                        continue;
6946                    }
6947
6948                    ps.primaryCpuAbiString = adjustedAbi;
6949                    if (ps.pkg != null && ps.pkg.applicationInfo != null) {
6950                        ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi;
6951                        Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi);
6952
6953                        int result = mPackageDexOptimizer.performDexOpt(ps.pkg,
6954                                null /* instruction sets */, forceDexOpt, deferDexOpt, true);
6955                        if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
6956                            ps.primaryCpuAbiString = null;
6957                            ps.pkg.applicationInfo.primaryCpuAbi = null;
6958                            return;
6959                        } else {
6960                            mInstaller.rmdex(ps.codePathString,
6961                                    getDexCodeInstructionSet(getPreferredInstructionSet()));
6962                        }
6963                    }
6964                }
6965            }
6966        }
6967    }
6968
6969    private void setUpCustomResolverActivity(PackageParser.Package pkg) {
6970        synchronized (mPackages) {
6971            mResolverReplaced = true;
6972            // Set up information for custom user intent resolution activity.
6973            mResolveActivity.applicationInfo = pkg.applicationInfo;
6974            mResolveActivity.name = mCustomResolverComponentName.getClassName();
6975            mResolveActivity.packageName = pkg.applicationInfo.packageName;
6976            mResolveActivity.processName = pkg.applicationInfo.packageName;
6977            mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
6978            mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS |
6979                    ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS;
6980            mResolveActivity.theme = 0;
6981            mResolveActivity.exported = true;
6982            mResolveActivity.enabled = true;
6983            mResolveInfo.activityInfo = mResolveActivity;
6984            mResolveInfo.priority = 0;
6985            mResolveInfo.preferredOrder = 0;
6986            mResolveInfo.match = 0;
6987            mResolveComponentName = mCustomResolverComponentName;
6988            Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " +
6989                    mResolveComponentName);
6990        }
6991    }
6992
6993    private static String calculateBundledApkRoot(final String codePathString) {
6994        final File codePath = new File(codePathString);
6995        final File codeRoot;
6996        if (FileUtils.contains(Environment.getRootDirectory(), codePath)) {
6997            codeRoot = Environment.getRootDirectory();
6998        } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) {
6999            codeRoot = Environment.getOemDirectory();
7000        } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) {
7001            codeRoot = Environment.getVendorDirectory();
7002        } else {
7003            // Unrecognized code path; take its top real segment as the apk root:
7004            // e.g. /something/app/blah.apk => /something
7005            try {
7006                File f = codePath.getCanonicalFile();
7007                File parent = f.getParentFile();    // non-null because codePath is a file
7008                File tmp;
7009                while ((tmp = parent.getParentFile()) != null) {
7010                    f = parent;
7011                    parent = tmp;
7012                }
7013                codeRoot = f;
7014                Slog.w(TAG, "Unrecognized code path "
7015                        + codePath + " - using " + codeRoot);
7016            } catch (IOException e) {
7017                // Can't canonicalize the code path -- shenanigans?
7018                Slog.w(TAG, "Can't canonicalize code path " + codePath);
7019                return Environment.getRootDirectory().getPath();
7020            }
7021        }
7022        return codeRoot.getPath();
7023    }
7024
7025    /**
7026     * Derive and set the location of native libraries for the given package,
7027     * which varies depending on where and how the package was installed.
7028     */
7029    private void setNativeLibraryPaths(PackageParser.Package pkg) {
7030        final ApplicationInfo info = pkg.applicationInfo;
7031        final String codePath = pkg.codePath;
7032        final File codeFile = new File(codePath);
7033        final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp();
7034        final boolean asecApp = info.isForwardLocked() || isExternal(info);
7035
7036        info.nativeLibraryRootDir = null;
7037        info.nativeLibraryRootRequiresIsa = false;
7038        info.nativeLibraryDir = null;
7039        info.secondaryNativeLibraryDir = null;
7040
7041        if (isApkFile(codeFile)) {
7042            // Monolithic install
7043            if (bundledApp) {
7044                // If "/system/lib64/apkname" exists, assume that is the per-package
7045                // native library directory to use; otherwise use "/system/lib/apkname".
7046                final String apkRoot = calculateBundledApkRoot(info.sourceDir);
7047                final boolean is64Bit = VMRuntime.is64BitInstructionSet(
7048                        getPrimaryInstructionSet(info));
7049
7050                // This is a bundled system app so choose the path based on the ABI.
7051                // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this
7052                // is just the default path.
7053                final String apkName = deriveCodePathName(codePath);
7054                final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME;
7055                info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir,
7056                        apkName).getAbsolutePath();
7057
7058                if (info.secondaryCpuAbi != null) {
7059                    final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME;
7060                    info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot),
7061                            secondaryLibDir, apkName).getAbsolutePath();
7062                }
7063            } else if (asecApp) {
7064                info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME)
7065                        .getAbsolutePath();
7066            } else {
7067                final String apkName = deriveCodePathName(codePath);
7068                info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName)
7069                        .getAbsolutePath();
7070            }
7071
7072            info.nativeLibraryRootRequiresIsa = false;
7073            info.nativeLibraryDir = info.nativeLibraryRootDir;
7074        } else {
7075            // Cluster install
7076            info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath();
7077            info.nativeLibraryRootRequiresIsa = true;
7078
7079            info.nativeLibraryDir = new File(info.nativeLibraryRootDir,
7080                    getPrimaryInstructionSet(info)).getAbsolutePath();
7081
7082            if (info.secondaryCpuAbi != null) {
7083                info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir,
7084                        VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath();
7085            }
7086        }
7087    }
7088
7089    /**
7090     * Calculate the abis and roots for a bundled app. These can uniquely
7091     * be determined from the contents of the system partition, i.e whether
7092     * it contains 64 or 32 bit shared libraries etc. We do not validate any
7093     * of this information, and instead assume that the system was built
7094     * sensibly.
7095     */
7096    private void setBundledAppAbisAndRoots(PackageParser.Package pkg,
7097                                           PackageSetting pkgSetting) {
7098        final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath());
7099
7100        // If "/system/lib64/apkname" exists, assume that is the per-package
7101        // native library directory to use; otherwise use "/system/lib/apkname".
7102        final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir);
7103        setBundledAppAbi(pkg, apkRoot, apkName);
7104        // pkgSetting might be null during rescan following uninstall of updates
7105        // to a bundled app, so accommodate that possibility.  The settings in
7106        // that case will be established later from the parsed package.
7107        //
7108        // If the settings aren't null, sync them up with what we've just derived.
7109        // note that apkRoot isn't stored in the package settings.
7110        if (pkgSetting != null) {
7111            pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
7112            pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
7113        }
7114    }
7115
7116    /**
7117     * Deduces the ABI of a bundled app and sets the relevant fields on the
7118     * parsed pkg object.
7119     *
7120     * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem}
7121     *        under which system libraries are installed.
7122     * @param apkName the name of the installed package.
7123     */
7124    private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) {
7125        final File codeFile = new File(pkg.codePath);
7126
7127        final boolean has64BitLibs;
7128        final boolean has32BitLibs;
7129        if (isApkFile(codeFile)) {
7130            // Monolithic install
7131            has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists();
7132            has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists();
7133        } else {
7134            // Cluster install
7135            final File rootDir = new File(codeFile, LIB_DIR_NAME);
7136            if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS)
7137                    && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) {
7138                final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]);
7139                has64BitLibs = (new File(rootDir, isa)).exists();
7140            } else {
7141                has64BitLibs = false;
7142            }
7143            if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS)
7144                    && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) {
7145                final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]);
7146                has32BitLibs = (new File(rootDir, isa)).exists();
7147            } else {
7148                has32BitLibs = false;
7149            }
7150        }
7151
7152        if (has64BitLibs && !has32BitLibs) {
7153            // The package has 64 bit libs, but not 32 bit libs. Its primary
7154            // ABI should be 64 bit. We can safely assume here that the bundled
7155            // native libraries correspond to the most preferred ABI in the list.
7156
7157            pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
7158            pkg.applicationInfo.secondaryCpuAbi = null;
7159        } else if (has32BitLibs && !has64BitLibs) {
7160            // The package has 32 bit libs but not 64 bit libs. Its primary
7161            // ABI should be 32 bit.
7162
7163            pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
7164            pkg.applicationInfo.secondaryCpuAbi = null;
7165        } else if (has32BitLibs && has64BitLibs) {
7166            // The application has both 64 and 32 bit bundled libraries. We check
7167            // here that the app declares multiArch support, and warn if it doesn't.
7168            //
7169            // We will be lenient here and record both ABIs. The primary will be the
7170            // ABI that's higher on the list, i.e, a device that's configured to prefer
7171            // 64 bit apps will see a 64 bit primary ABI,
7172
7173            if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) {
7174                Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch.");
7175            }
7176
7177            if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) {
7178                pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
7179                pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
7180            } else {
7181                pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
7182                pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
7183            }
7184        } else {
7185            pkg.applicationInfo.primaryCpuAbi = null;
7186            pkg.applicationInfo.secondaryCpuAbi = null;
7187        }
7188    }
7189
7190    private void killApplication(String pkgName, int appId, String reason) {
7191        // Request the ActivityManager to kill the process(only for existing packages)
7192        // so that we do not end up in a confused state while the user is still using the older
7193        // version of the application while the new one gets installed.
7194        IActivityManager am = ActivityManagerNative.getDefault();
7195        if (am != null) {
7196            try {
7197                am.killApplicationWithAppId(pkgName, appId, reason);
7198            } catch (RemoteException e) {
7199            }
7200        }
7201    }
7202
7203    void removePackageLI(PackageSetting ps, boolean chatty) {
7204        if (DEBUG_INSTALL) {
7205            if (chatty)
7206                Log.d(TAG, "Removing package " + ps.name);
7207        }
7208
7209        // writer
7210        synchronized (mPackages) {
7211            mPackages.remove(ps.name);
7212            final PackageParser.Package pkg = ps.pkg;
7213            if (pkg != null) {
7214                cleanPackageDataStructuresLILPw(pkg, chatty);
7215            }
7216        }
7217    }
7218
7219    void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) {
7220        if (DEBUG_INSTALL) {
7221            if (chatty)
7222                Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName);
7223        }
7224
7225        // writer
7226        synchronized (mPackages) {
7227            mPackages.remove(pkg.applicationInfo.packageName);
7228            cleanPackageDataStructuresLILPw(pkg, chatty);
7229        }
7230    }
7231
7232    void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) {
7233        int N = pkg.providers.size();
7234        StringBuilder r = null;
7235        int i;
7236        for (i=0; i<N; i++) {
7237            PackageParser.Provider p = pkg.providers.get(i);
7238            mProviders.removeProvider(p);
7239            if (p.info.authority == null) {
7240
7241                /* There was another ContentProvider with this authority when
7242                 * this app was installed so this authority is null,
7243                 * Ignore it as we don't have to unregister the provider.
7244                 */
7245                continue;
7246            }
7247            String names[] = p.info.authority.split(";");
7248            for (int j = 0; j < names.length; j++) {
7249                if (mProvidersByAuthority.get(names[j]) == p) {
7250                    mProvidersByAuthority.remove(names[j]);
7251                    if (DEBUG_REMOVE) {
7252                        if (chatty)
7253                            Log.d(TAG, "Unregistered content provider: " + names[j]
7254                                    + ", className = " + p.info.name + ", isSyncable = "
7255                                    + p.info.isSyncable);
7256                    }
7257                }
7258            }
7259            if (DEBUG_REMOVE && chatty) {
7260                if (r == null) {
7261                    r = new StringBuilder(256);
7262                } else {
7263                    r.append(' ');
7264                }
7265                r.append(p.info.name);
7266            }
7267        }
7268        if (r != null) {
7269            if (DEBUG_REMOVE) Log.d(TAG, "  Providers: " + r);
7270        }
7271
7272        N = pkg.services.size();
7273        r = null;
7274        for (i=0; i<N; i++) {
7275            PackageParser.Service s = pkg.services.get(i);
7276            mServices.removeService(s);
7277            if (chatty) {
7278                if (r == null) {
7279                    r = new StringBuilder(256);
7280                } else {
7281                    r.append(' ');
7282                }
7283                r.append(s.info.name);
7284            }
7285        }
7286        if (r != null) {
7287            if (DEBUG_REMOVE) Log.d(TAG, "  Services: " + r);
7288        }
7289
7290        N = pkg.receivers.size();
7291        r = null;
7292        for (i=0; i<N; i++) {
7293            PackageParser.Activity a = pkg.receivers.get(i);
7294            mReceivers.removeActivity(a, "receiver");
7295            if (DEBUG_REMOVE && chatty) {
7296                if (r == null) {
7297                    r = new StringBuilder(256);
7298                } else {
7299                    r.append(' ');
7300                }
7301                r.append(a.info.name);
7302            }
7303        }
7304        if (r != null) {
7305            if (DEBUG_REMOVE) Log.d(TAG, "  Receivers: " + r);
7306        }
7307
7308        N = pkg.activities.size();
7309        r = null;
7310        for (i=0; i<N; i++) {
7311            PackageParser.Activity a = pkg.activities.get(i);
7312            mActivities.removeActivity(a, "activity");
7313            if (DEBUG_REMOVE && chatty) {
7314                if (r == null) {
7315                    r = new StringBuilder(256);
7316                } else {
7317                    r.append(' ');
7318                }
7319                r.append(a.info.name);
7320            }
7321        }
7322        if (r != null) {
7323            if (DEBUG_REMOVE) Log.d(TAG, "  Activities: " + r);
7324        }
7325
7326        N = pkg.permissions.size();
7327        r = null;
7328        for (i=0; i<N; i++) {
7329            PackageParser.Permission p = pkg.permissions.get(i);
7330            BasePermission bp = mSettings.mPermissions.get(p.info.name);
7331            if (bp == null) {
7332                bp = mSettings.mPermissionTrees.get(p.info.name);
7333            }
7334            if (bp != null && bp.perm == p) {
7335                bp.perm = null;
7336                if (DEBUG_REMOVE && chatty) {
7337                    if (r == null) {
7338                        r = new StringBuilder(256);
7339                    } else {
7340                        r.append(' ');
7341                    }
7342                    r.append(p.info.name);
7343                }
7344            }
7345            if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
7346                ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name);
7347                if (appOpPerms != null) {
7348                    appOpPerms.remove(pkg.packageName);
7349                }
7350            }
7351        }
7352        if (r != null) {
7353            if (DEBUG_REMOVE) Log.d(TAG, "  Permissions: " + r);
7354        }
7355
7356        N = pkg.requestedPermissions.size();
7357        r = null;
7358        for (i=0; i<N; i++) {
7359            String perm = pkg.requestedPermissions.get(i);
7360            BasePermission bp = mSettings.mPermissions.get(perm);
7361            if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
7362                ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm);
7363                if (appOpPerms != null) {
7364                    appOpPerms.remove(pkg.packageName);
7365                    if (appOpPerms.isEmpty()) {
7366                        mAppOpPermissionPackages.remove(perm);
7367                    }
7368                }
7369            }
7370        }
7371        if (r != null) {
7372            if (DEBUG_REMOVE) Log.d(TAG, "  Permissions: " + r);
7373        }
7374
7375        N = pkg.instrumentation.size();
7376        r = null;
7377        for (i=0; i<N; i++) {
7378            PackageParser.Instrumentation a = pkg.instrumentation.get(i);
7379            mInstrumentation.remove(a.getComponentName());
7380            if (DEBUG_REMOVE && chatty) {
7381                if (r == null) {
7382                    r = new StringBuilder(256);
7383                } else {
7384                    r.append(' ');
7385                }
7386                r.append(a.info.name);
7387            }
7388        }
7389        if (r != null) {
7390            if (DEBUG_REMOVE) Log.d(TAG, "  Instrumentation: " + r);
7391        }
7392
7393        r = null;
7394        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
7395            // Only system apps can hold shared libraries.
7396            if (pkg.libraryNames != null) {
7397                for (i=0; i<pkg.libraryNames.size(); i++) {
7398                    String name = pkg.libraryNames.get(i);
7399                    SharedLibraryEntry cur = mSharedLibraries.get(name);
7400                    if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) {
7401                        mSharedLibraries.remove(name);
7402                        if (DEBUG_REMOVE && chatty) {
7403                            if (r == null) {
7404                                r = new StringBuilder(256);
7405                            } else {
7406                                r.append(' ');
7407                            }
7408                            r.append(name);
7409                        }
7410                    }
7411                }
7412            }
7413        }
7414        if (r != null) {
7415            if (DEBUG_REMOVE) Log.d(TAG, "  Libraries: " + r);
7416        }
7417    }
7418
7419    private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) {
7420        for (int i=pkgInfo.permissions.size()-1; i>=0; i--) {
7421            if (pkgInfo.permissions.get(i).info.name.equals(perm)) {
7422                return true;
7423            }
7424        }
7425        return false;
7426    }
7427
7428    static final int UPDATE_PERMISSIONS_ALL = 1<<0;
7429    static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1;
7430    static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2;
7431
7432    private void updatePermissionsLPw(String changingPkg,
7433            PackageParser.Package pkgInfo, int flags) {
7434        // Make sure there are no dangling permission trees.
7435        Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator();
7436        while (it.hasNext()) {
7437            final BasePermission bp = it.next();
7438            if (bp.packageSetting == null) {
7439                // We may not yet have parsed the package, so just see if
7440                // we still know about its settings.
7441                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
7442            }
7443            if (bp.packageSetting == null) {
7444                Slog.w(TAG, "Removing dangling permission tree: " + bp.name
7445                        + " from package " + bp.sourcePackage);
7446                it.remove();
7447            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
7448                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
7449                    Slog.i(TAG, "Removing old permission tree: " + bp.name
7450                            + " from package " + bp.sourcePackage);
7451                    flags |= UPDATE_PERMISSIONS_ALL;
7452                    it.remove();
7453                }
7454            }
7455        }
7456
7457        // Make sure all dynamic permissions have been assigned to a package,
7458        // and make sure there are no dangling permissions.
7459        it = mSettings.mPermissions.values().iterator();
7460        while (it.hasNext()) {
7461            final BasePermission bp = it.next();
7462            if (bp.type == BasePermission.TYPE_DYNAMIC) {
7463                if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name="
7464                        + bp.name + " pkg=" + bp.sourcePackage
7465                        + " info=" + bp.pendingInfo);
7466                if (bp.packageSetting == null && bp.pendingInfo != null) {
7467                    final BasePermission tree = findPermissionTreeLP(bp.name);
7468                    if (tree != null && tree.perm != null) {
7469                        bp.packageSetting = tree.packageSetting;
7470                        bp.perm = new PackageParser.Permission(tree.perm.owner,
7471                                new PermissionInfo(bp.pendingInfo));
7472                        bp.perm.info.packageName = tree.perm.info.packageName;
7473                        bp.perm.info.name = bp.name;
7474                        bp.uid = tree.uid;
7475                    }
7476                }
7477            }
7478            if (bp.packageSetting == null) {
7479                // We may not yet have parsed the package, so just see if
7480                // we still know about its settings.
7481                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
7482            }
7483            if (bp.packageSetting == null) {
7484                Slog.w(TAG, "Removing dangling permission: " + bp.name
7485                        + " from package " + bp.sourcePackage);
7486                it.remove();
7487            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
7488                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
7489                    Slog.i(TAG, "Removing old permission: " + bp.name
7490                            + " from package " + bp.sourcePackage);
7491                    flags |= UPDATE_PERMISSIONS_ALL;
7492                    it.remove();
7493                }
7494            }
7495        }
7496
7497        // Now update the permissions for all packages, in particular
7498        // replace the granted permissions of the system packages.
7499        if ((flags&UPDATE_PERMISSIONS_ALL) != 0) {
7500            for (PackageParser.Package pkg : mPackages.values()) {
7501                if (pkg != pkgInfo) {
7502                    grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0,
7503                            changingPkg);
7504                }
7505            }
7506        }
7507
7508        if (pkgInfo != null) {
7509            grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg);
7510        }
7511    }
7512
7513    private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace,
7514            String packageOfInterest) {
7515        // IMPORTANT: There are two types of permissions: install and runtime.
7516        // Install time permissions are granted when the app is installed to
7517        // all device users and users added in the future. Runtime permissions
7518        // are granted at runtime explicitly to specific users. Normal and signature
7519        // protected permissions are install time permissions. Dangerous permissions
7520        // are install permissions if the app's target SDK is Lollipop MR1 or older,
7521        // otherwise they are runtime permissions. This function does not manage
7522        // runtime permissions except for the case an app targeting Lollipop MR1
7523        // being upgraded to target a newer SDK, in which case dangerous permissions
7524        // are transformed from install time to runtime ones.
7525
7526        final PackageSetting ps = (PackageSetting) pkg.mExtras;
7527        if (ps == null) {
7528            return;
7529        }
7530
7531        PermissionsState permissionsState = ps.getPermissionsState();
7532        PermissionsState origPermissions = permissionsState;
7533
7534        final int[] currentUserIds = UserManagerService.getInstance().getUserIds();
7535
7536        int[] upgradeUserIds = PermissionsState.USERS_NONE;
7537        int[] changedRuntimePermissionUserIds = PermissionsState.USERS_NONE;
7538
7539        boolean changedInstallPermission = false;
7540
7541        if (replace) {
7542            ps.installPermissionsFixed = false;
7543            if (!ps.isSharedUser()) {
7544                origPermissions = new PermissionsState(permissionsState);
7545                permissionsState.reset();
7546            }
7547        }
7548
7549        permissionsState.setGlobalGids(mGlobalGids);
7550
7551        final int N = pkg.requestedPermissions.size();
7552        for (int i=0; i<N; i++) {
7553            final String name = pkg.requestedPermissions.get(i);
7554            final BasePermission bp = mSettings.mPermissions.get(name);
7555
7556            if (DEBUG_INSTALL) {
7557                Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp);
7558            }
7559
7560            if (bp == null || bp.packageSetting == null) {
7561                if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) {
7562                    Slog.w(TAG, "Unknown permission " + name
7563                            + " in package " + pkg.packageName);
7564                }
7565                continue;
7566            }
7567
7568            final String perm = bp.name;
7569            boolean allowedSig = false;
7570            int grant = GRANT_DENIED;
7571
7572            // Keep track of app op permissions.
7573            if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
7574                ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name);
7575                if (pkgs == null) {
7576                    pkgs = new ArraySet<>();
7577                    mAppOpPermissionPackages.put(bp.name, pkgs);
7578                }
7579                pkgs.add(pkg.packageName);
7580            }
7581
7582            final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE;
7583            switch (level) {
7584                case PermissionInfo.PROTECTION_NORMAL: {
7585                    // For all apps normal permissions are install time ones.
7586                    grant = GRANT_INSTALL;
7587                } break;
7588
7589                case PermissionInfo.PROTECTION_DANGEROUS: {
7590                    if (!RUNTIME_PERMISSIONS_ENABLED
7591                            || pkg.applicationInfo.targetSdkVersion
7592                                    <= Build.VERSION_CODES.LOLLIPOP_MR1) {
7593                        // For legacy apps dangerous permissions are install time ones.
7594                        grant = GRANT_INSTALL;
7595                    } else if (ps.isSystem()) {
7596                        final int[] updatedUserIds = ps.getPermissionsUpdatedForUserIds();
7597                        if (origPermissions.hasInstallPermission(bp.name)) {
7598                            // If a system app had an install permission, then the app was
7599                            // upgraded and we grant the permissions as runtime to all users.
7600                            grant = GRANT_UPGRADE;
7601                            upgradeUserIds = currentUserIds;
7602                        } else if (!Arrays.equals(updatedUserIds, currentUserIds)) {
7603                            // If users changed since the last permissions update for a
7604                            // system app, we grant the permission as runtime to the new users.
7605                            grant = GRANT_UPGRADE;
7606                            upgradeUserIds = currentUserIds;
7607                            for (int userId : updatedUserIds) {
7608                                upgradeUserIds = ArrayUtils.removeInt(upgradeUserIds, userId);
7609                            }
7610                        } else {
7611                            // Otherwise, we grant the permission as runtime if the app
7612                            // already had it, i.e. we preserve runtime permissions.
7613                            grant = GRANT_RUNTIME;
7614                        }
7615                    } else if (origPermissions.hasInstallPermission(bp.name)) {
7616                        // For legacy apps that became modern, install becomes runtime.
7617                        grant = GRANT_UPGRADE;
7618                        upgradeUserIds = currentUserIds;
7619                    } else if (replace) {
7620                        // For upgraded modern apps keep runtime permissions unchanged.
7621                        grant = GRANT_RUNTIME;
7622                    }
7623                } break;
7624
7625                case PermissionInfo.PROTECTION_SIGNATURE: {
7626                    // For all apps signature permissions are install time ones.
7627                    allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions);
7628                    if (allowedSig) {
7629                        grant = GRANT_INSTALL;
7630                    }
7631                } break;
7632            }
7633
7634            if (DEBUG_INSTALL) {
7635                Log.i(TAG, "Package " + pkg.packageName + " granting " + perm);
7636            }
7637
7638            if (grant != GRANT_DENIED) {
7639                if (!isSystemApp(ps) && ps.installPermissionsFixed) {
7640                    // If this is an existing, non-system package, then
7641                    // we can't add any new permissions to it.
7642                    if (!allowedSig && !origPermissions.hasInstallPermission(perm)) {
7643                        // Except...  if this is a permission that was added
7644                        // to the platform (note: need to only do this when
7645                        // updating the platform).
7646                        if (!isNewPlatformPermissionForPackage(perm, pkg)) {
7647                            grant = GRANT_DENIED;
7648                        }
7649                    }
7650                }
7651
7652                switch (grant) {
7653                    case GRANT_INSTALL: {
7654                        // Grant an install permission.
7655                        if (permissionsState.grantInstallPermission(bp) !=
7656                                PermissionsState.PERMISSION_OPERATION_FAILURE) {
7657                            changedInstallPermission = true;
7658                        }
7659                    } break;
7660
7661                    case GRANT_RUNTIME: {
7662                        // Grant previously granted runtime permissions.
7663                        for (int userId : UserManagerService.getInstance().getUserIds()) {
7664                            if (origPermissions.hasRuntimePermission(bp.name, userId)) {
7665                                if (permissionsState.grantRuntimePermission(bp, userId) ==
7666                                        PermissionsState.PERMISSION_OPERATION_FAILURE) {
7667                                    // If we cannot put the permission as it was, we have to write.
7668                                    changedRuntimePermissionUserIds = ArrayUtils.appendInt(
7669                                            changedRuntimePermissionUserIds, userId);
7670                                }
7671                            }
7672                        }
7673                    } break;
7674
7675                    case GRANT_UPGRADE: {
7676                        // Grant runtime permissions for a previously held install permission.
7677                        permissionsState.revokeInstallPermission(bp);
7678                        for (int userId : upgradeUserIds) {
7679                            if (permissionsState.grantRuntimePermission(bp, userId) !=
7680                                    PermissionsState.PERMISSION_OPERATION_FAILURE) {
7681                                // If we granted the permission, we have to write.
7682                                changedRuntimePermissionUserIds = ArrayUtils.appendInt(
7683                                        changedRuntimePermissionUserIds, userId);
7684                            }
7685                        }
7686                    } break;
7687
7688                    default: {
7689                        if (packageOfInterest == null
7690                                || packageOfInterest.equals(pkg.packageName)) {
7691                            Slog.w(TAG, "Not granting permission " + perm
7692                                    + " to package " + pkg.packageName
7693                                    + " because it was previously installed without");
7694                        }
7695                    } break;
7696                }
7697            } else {
7698                if (permissionsState.revokeInstallPermission(bp) !=
7699                        PermissionsState.PERMISSION_OPERATION_FAILURE) {
7700                    changedInstallPermission = true;
7701                    Slog.i(TAG, "Un-granting permission " + perm
7702                            + " from package " + pkg.packageName
7703                            + " (protectionLevel=" + bp.protectionLevel
7704                            + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
7705                            + ")");
7706                } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) {
7707                    // Don't print warning for app op permissions, since it is fine for them
7708                    // not to be granted, there is a UI for the user to decide.
7709                    if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) {
7710                        Slog.w(TAG, "Not granting permission " + perm
7711                                + " to package " + pkg.packageName
7712                                + " (protectionLevel=" + bp.protectionLevel
7713                                + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
7714                                + ")");
7715                    }
7716                }
7717            }
7718        }
7719
7720        if ((changedInstallPermission || replace) && !ps.installPermissionsFixed &&
7721                !isSystemApp(ps) || isUpdatedSystemApp(ps)){
7722            // This is the first that we have heard about this package, so the
7723            // permissions we have now selected are fixed until explicitly
7724            // changed.
7725            ps.installPermissionsFixed = true;
7726        }
7727
7728        ps.setPermissionsUpdatedForUserIds(currentUserIds);
7729
7730        // Persist the runtime permissions state for users with changes.
7731        if (RUNTIME_PERMISSIONS_ENABLED) {
7732            for (int userId : changedRuntimePermissionUserIds) {
7733                mSettings.writeRuntimePermissionsForUserLPr(userId, true);
7734            }
7735        }
7736    }
7737
7738    private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) {
7739        boolean allowed = false;
7740        final int NP = PackageParser.NEW_PERMISSIONS.length;
7741        for (int ip=0; ip<NP; ip++) {
7742            final PackageParser.NewPermissionInfo npi
7743                    = PackageParser.NEW_PERMISSIONS[ip];
7744            if (npi.name.equals(perm)
7745                    && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) {
7746                allowed = true;
7747                Log.i(TAG, "Auto-granting " + perm + " to old pkg "
7748                        + pkg.packageName);
7749                break;
7750            }
7751        }
7752        return allowed;
7753    }
7754
7755    private boolean grantSignaturePermission(String perm, PackageParser.Package pkg,
7756            BasePermission bp, PermissionsState origPermissions) {
7757        boolean allowed;
7758        allowed = (compareSignatures(
7759                bp.packageSetting.signatures.mSignatures, pkg.mSignatures)
7760                        == PackageManager.SIGNATURE_MATCH)
7761                || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures)
7762                        == PackageManager.SIGNATURE_MATCH);
7763        if (!allowed && (bp.protectionLevel
7764                & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) {
7765            if (isSystemApp(pkg)) {
7766                // For updated system applications, a system permission
7767                // is granted only if it had been defined by the original application.
7768                if (pkg.isUpdatedSystemApp()) {
7769                    final PackageSetting sysPs = mSettings
7770                            .getDisabledSystemPkgLPr(pkg.packageName);
7771                    if (sysPs.getPermissionsState().hasInstallPermission(perm)) {
7772                        // If the original was granted this permission, we take
7773                        // that grant decision as read and propagate it to the
7774                        // update.
7775                        if (sysPs.isPrivileged()) {
7776                            allowed = true;
7777                        }
7778                    } else {
7779                        // The system apk may have been updated with an older
7780                        // version of the one on the data partition, but which
7781                        // granted a new system permission that it didn't have
7782                        // before.  In this case we do want to allow the app to
7783                        // now get the new permission if the ancestral apk is
7784                        // privileged to get it.
7785                        if (sysPs.pkg != null && sysPs.isPrivileged()) {
7786                            for (int j=0;
7787                                    j<sysPs.pkg.requestedPermissions.size(); j++) {
7788                                if (perm.equals(
7789                                        sysPs.pkg.requestedPermissions.get(j))) {
7790                                    allowed = true;
7791                                    break;
7792                                }
7793                            }
7794                        }
7795                    }
7796                } else {
7797                    allowed = isPrivilegedApp(pkg);
7798                }
7799            }
7800        }
7801        if (!allowed && (bp.protectionLevel
7802                & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) {
7803            // For development permissions, a development permission
7804            // is granted only if it was already granted.
7805            allowed = origPermissions.hasInstallPermission(perm);
7806        }
7807        return allowed;
7808    }
7809
7810    final class ActivityIntentResolver
7811            extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> {
7812        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
7813                boolean defaultOnly, int userId) {
7814            if (!sUserManager.exists(userId)) return null;
7815            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
7816            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
7817        }
7818
7819        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
7820                int userId) {
7821            if (!sUserManager.exists(userId)) return null;
7822            mFlags = flags;
7823            return super.queryIntent(intent, resolvedType,
7824                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
7825        }
7826
7827        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
7828                int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) {
7829            if (!sUserManager.exists(userId)) return null;
7830            if (packageActivities == null) {
7831                return null;
7832            }
7833            mFlags = flags;
7834            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
7835            final int N = packageActivities.size();
7836            ArrayList<PackageParser.ActivityIntentInfo[]> listCut =
7837                new ArrayList<PackageParser.ActivityIntentInfo[]>(N);
7838
7839            ArrayList<PackageParser.ActivityIntentInfo> intentFilters;
7840            for (int i = 0; i < N; ++i) {
7841                intentFilters = packageActivities.get(i).intents;
7842                if (intentFilters != null && intentFilters.size() > 0) {
7843                    PackageParser.ActivityIntentInfo[] array =
7844                            new PackageParser.ActivityIntentInfo[intentFilters.size()];
7845                    intentFilters.toArray(array);
7846                    listCut.add(array);
7847                }
7848            }
7849            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
7850        }
7851
7852        public final void addActivity(PackageParser.Activity a, String type) {
7853            final boolean systemApp = a.info.applicationInfo.isSystemApp();
7854            mActivities.put(a.getComponentName(), a);
7855            if (DEBUG_SHOW_INFO)
7856                Log.v(
7857                TAG, "  " + type + " " +
7858                (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":");
7859            if (DEBUG_SHOW_INFO)
7860                Log.v(TAG, "    Class=" + a.info.name);
7861            final int NI = a.intents.size();
7862            for (int j=0; j<NI; j++) {
7863                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
7864                if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) {
7865                    intent.setPriority(0);
7866                    Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity "
7867                            + a.className + " with priority > 0, forcing to 0");
7868                }
7869                if (DEBUG_SHOW_INFO) {
7870                    Log.v(TAG, "    IntentFilter:");
7871                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7872                }
7873                if (!intent.debugCheck()) {
7874                    Log.w(TAG, "==> For Activity " + a.info.name);
7875                }
7876                addFilter(intent);
7877            }
7878        }
7879
7880        public final void removeActivity(PackageParser.Activity a, String type) {
7881            mActivities.remove(a.getComponentName());
7882            if (DEBUG_SHOW_INFO) {
7883                Log.v(TAG, "  " + type + " "
7884                        + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel
7885                                : a.info.name) + ":");
7886                Log.v(TAG, "    Class=" + a.info.name);
7887            }
7888            final int NI = a.intents.size();
7889            for (int j=0; j<NI; j++) {
7890                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
7891                if (DEBUG_SHOW_INFO) {
7892                    Log.v(TAG, "    IntentFilter:");
7893                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7894                }
7895                removeFilter(intent);
7896            }
7897        }
7898
7899        @Override
7900        protected boolean allowFilterResult(
7901                PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) {
7902            ActivityInfo filterAi = filter.activity.info;
7903            for (int i=dest.size()-1; i>=0; i--) {
7904                ActivityInfo destAi = dest.get(i).activityInfo;
7905                if (destAi.name == filterAi.name
7906                        && destAi.packageName == filterAi.packageName) {
7907                    return false;
7908                }
7909            }
7910            return true;
7911        }
7912
7913        @Override
7914        protected ActivityIntentInfo[] newArray(int size) {
7915            return new ActivityIntentInfo[size];
7916        }
7917
7918        @Override
7919        protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) {
7920            if (!sUserManager.exists(userId)) return true;
7921            PackageParser.Package p = filter.activity.owner;
7922            if (p != null) {
7923                PackageSetting ps = (PackageSetting)p.mExtras;
7924                if (ps != null) {
7925                    // System apps are never considered stopped for purposes of
7926                    // filtering, because there may be no way for the user to
7927                    // actually re-launch them.
7928                    return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0
7929                            && ps.getStopped(userId);
7930                }
7931            }
7932            return false;
7933        }
7934
7935        @Override
7936        protected boolean isPackageForFilter(String packageName,
7937                PackageParser.ActivityIntentInfo info) {
7938            return packageName.equals(info.activity.owner.packageName);
7939        }
7940
7941        @Override
7942        protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info,
7943                int match, int userId) {
7944            if (!sUserManager.exists(userId)) return null;
7945            if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) {
7946                return null;
7947            }
7948            final PackageParser.Activity activity = info.activity;
7949            if (mSafeMode && (activity.info.applicationInfo.flags
7950                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
7951                return null;
7952            }
7953            PackageSetting ps = (PackageSetting) activity.owner.mExtras;
7954            if (ps == null) {
7955                return null;
7956            }
7957            ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags,
7958                    ps.readUserState(userId), userId);
7959            if (ai == null) {
7960                return null;
7961            }
7962            final ResolveInfo res = new ResolveInfo();
7963            res.activityInfo = ai;
7964            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
7965                res.filter = info;
7966            }
7967            if (info != null) {
7968                res.handleAllWebDataURI = info.handleAllWebDataURI();
7969            }
7970            res.priority = info.getPriority();
7971            res.preferredOrder = activity.owner.mPreferredOrder;
7972            //System.out.println("Result: " + res.activityInfo.className +
7973            //                   " = " + res.priority);
7974            res.match = match;
7975            res.isDefault = info.hasDefault;
7976            res.labelRes = info.labelRes;
7977            res.nonLocalizedLabel = info.nonLocalizedLabel;
7978            if (userNeedsBadging(userId)) {
7979                res.noResourceId = true;
7980            } else {
7981                res.icon = info.icon;
7982            }
7983            res.system = res.activityInfo.applicationInfo.isSystemApp();
7984            return res;
7985        }
7986
7987        @Override
7988        protected void sortResults(List<ResolveInfo> results) {
7989            Collections.sort(results, mResolvePrioritySorter);
7990        }
7991
7992        @Override
7993        protected void dumpFilter(PrintWriter out, String prefix,
7994                PackageParser.ActivityIntentInfo filter) {
7995            out.print(prefix); out.print(
7996                    Integer.toHexString(System.identityHashCode(filter.activity)));
7997                    out.print(' ');
7998                    filter.activity.printComponentShortName(out);
7999                    out.print(" filter ");
8000                    out.println(Integer.toHexString(System.identityHashCode(filter)));
8001        }
8002
8003        @Override
8004        protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) {
8005            return filter.activity;
8006        }
8007
8008        protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) {
8009            PackageParser.Activity activity = (PackageParser.Activity)label;
8010            out.print(prefix); out.print(
8011                    Integer.toHexString(System.identityHashCode(activity)));
8012                    out.print(' ');
8013                    activity.printComponentShortName(out);
8014            if (count > 1) {
8015                out.print(" ("); out.print(count); out.print(" filters)");
8016            }
8017            out.println();
8018        }
8019
8020//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
8021//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
8022//            final List<ResolveInfo> retList = Lists.newArrayList();
8023//            while (i.hasNext()) {
8024//                final ResolveInfo resolveInfo = i.next();
8025//                if (isEnabledLP(resolveInfo.activityInfo)) {
8026//                    retList.add(resolveInfo);
8027//                }
8028//            }
8029//            return retList;
8030//        }
8031
8032        // Keys are String (activity class name), values are Activity.
8033        private final ArrayMap<ComponentName, PackageParser.Activity> mActivities
8034                = new ArrayMap<ComponentName, PackageParser.Activity>();
8035        private int mFlags;
8036    }
8037
8038    private final class ServiceIntentResolver
8039            extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> {
8040        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
8041                boolean defaultOnly, int userId) {
8042            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
8043            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
8044        }
8045
8046        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
8047                int userId) {
8048            if (!sUserManager.exists(userId)) return null;
8049            mFlags = flags;
8050            return super.queryIntent(intent, resolvedType,
8051                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
8052        }
8053
8054        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
8055                int flags, ArrayList<PackageParser.Service> packageServices, int userId) {
8056            if (!sUserManager.exists(userId)) return null;
8057            if (packageServices == null) {
8058                return null;
8059            }
8060            mFlags = flags;
8061            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
8062            final int N = packageServices.size();
8063            ArrayList<PackageParser.ServiceIntentInfo[]> listCut =
8064                new ArrayList<PackageParser.ServiceIntentInfo[]>(N);
8065
8066            ArrayList<PackageParser.ServiceIntentInfo> intentFilters;
8067            for (int i = 0; i < N; ++i) {
8068                intentFilters = packageServices.get(i).intents;
8069                if (intentFilters != null && intentFilters.size() > 0) {
8070                    PackageParser.ServiceIntentInfo[] array =
8071                            new PackageParser.ServiceIntentInfo[intentFilters.size()];
8072                    intentFilters.toArray(array);
8073                    listCut.add(array);
8074                }
8075            }
8076            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
8077        }
8078
8079        public final void addService(PackageParser.Service s) {
8080            mServices.put(s.getComponentName(), s);
8081            if (DEBUG_SHOW_INFO) {
8082                Log.v(TAG, "  "
8083                        + (s.info.nonLocalizedLabel != null
8084                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
8085                Log.v(TAG, "    Class=" + s.info.name);
8086            }
8087            final int NI = s.intents.size();
8088            int j;
8089            for (j=0; j<NI; j++) {
8090                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
8091                if (DEBUG_SHOW_INFO) {
8092                    Log.v(TAG, "    IntentFilter:");
8093                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
8094                }
8095                if (!intent.debugCheck()) {
8096                    Log.w(TAG, "==> For Service " + s.info.name);
8097                }
8098                addFilter(intent);
8099            }
8100        }
8101
8102        public final void removeService(PackageParser.Service s) {
8103            mServices.remove(s.getComponentName());
8104            if (DEBUG_SHOW_INFO) {
8105                Log.v(TAG, "  " + (s.info.nonLocalizedLabel != null
8106                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
8107                Log.v(TAG, "    Class=" + s.info.name);
8108            }
8109            final int NI = s.intents.size();
8110            int j;
8111            for (j=0; j<NI; j++) {
8112                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
8113                if (DEBUG_SHOW_INFO) {
8114                    Log.v(TAG, "    IntentFilter:");
8115                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
8116                }
8117                removeFilter(intent);
8118            }
8119        }
8120
8121        @Override
8122        protected boolean allowFilterResult(
8123                PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) {
8124            ServiceInfo filterSi = filter.service.info;
8125            for (int i=dest.size()-1; i>=0; i--) {
8126                ServiceInfo destAi = dest.get(i).serviceInfo;
8127                if (destAi.name == filterSi.name
8128                        && destAi.packageName == filterSi.packageName) {
8129                    return false;
8130                }
8131            }
8132            return true;
8133        }
8134
8135        @Override
8136        protected PackageParser.ServiceIntentInfo[] newArray(int size) {
8137            return new PackageParser.ServiceIntentInfo[size];
8138        }
8139
8140        @Override
8141        protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) {
8142            if (!sUserManager.exists(userId)) return true;
8143            PackageParser.Package p = filter.service.owner;
8144            if (p != null) {
8145                PackageSetting ps = (PackageSetting)p.mExtras;
8146                if (ps != null) {
8147                    // System apps are never considered stopped for purposes of
8148                    // filtering, because there may be no way for the user to
8149                    // actually re-launch them.
8150                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
8151                            && ps.getStopped(userId);
8152                }
8153            }
8154            return false;
8155        }
8156
8157        @Override
8158        protected boolean isPackageForFilter(String packageName,
8159                PackageParser.ServiceIntentInfo info) {
8160            return packageName.equals(info.service.owner.packageName);
8161        }
8162
8163        @Override
8164        protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter,
8165                int match, int userId) {
8166            if (!sUserManager.exists(userId)) return null;
8167            final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter;
8168            if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) {
8169                return null;
8170            }
8171            final PackageParser.Service service = info.service;
8172            if (mSafeMode && (service.info.applicationInfo.flags
8173                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
8174                return null;
8175            }
8176            PackageSetting ps = (PackageSetting) service.owner.mExtras;
8177            if (ps == null) {
8178                return null;
8179            }
8180            ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags,
8181                    ps.readUserState(userId), userId);
8182            if (si == null) {
8183                return null;
8184            }
8185            final ResolveInfo res = new ResolveInfo();
8186            res.serviceInfo = si;
8187            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
8188                res.filter = filter;
8189            }
8190            res.priority = info.getPriority();
8191            res.preferredOrder = service.owner.mPreferredOrder;
8192            res.match = match;
8193            res.isDefault = info.hasDefault;
8194            res.labelRes = info.labelRes;
8195            res.nonLocalizedLabel = info.nonLocalizedLabel;
8196            res.icon = info.icon;
8197            res.system = res.serviceInfo.applicationInfo.isSystemApp();
8198            return res;
8199        }
8200
8201        @Override
8202        protected void sortResults(List<ResolveInfo> results) {
8203            Collections.sort(results, mResolvePrioritySorter);
8204        }
8205
8206        @Override
8207        protected void dumpFilter(PrintWriter out, String prefix,
8208                PackageParser.ServiceIntentInfo filter) {
8209            out.print(prefix); out.print(
8210                    Integer.toHexString(System.identityHashCode(filter.service)));
8211                    out.print(' ');
8212                    filter.service.printComponentShortName(out);
8213                    out.print(" filter ");
8214                    out.println(Integer.toHexString(System.identityHashCode(filter)));
8215        }
8216
8217        @Override
8218        protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) {
8219            return filter.service;
8220        }
8221
8222        protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) {
8223            PackageParser.Service service = (PackageParser.Service)label;
8224            out.print(prefix); out.print(
8225                    Integer.toHexString(System.identityHashCode(service)));
8226                    out.print(' ');
8227                    service.printComponentShortName(out);
8228            if (count > 1) {
8229                out.print(" ("); out.print(count); out.print(" filters)");
8230            }
8231            out.println();
8232        }
8233
8234//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
8235//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
8236//            final List<ResolveInfo> retList = Lists.newArrayList();
8237//            while (i.hasNext()) {
8238//                final ResolveInfo resolveInfo = (ResolveInfo) i;
8239//                if (isEnabledLP(resolveInfo.serviceInfo)) {
8240//                    retList.add(resolveInfo);
8241//                }
8242//            }
8243//            return retList;
8244//        }
8245
8246        // Keys are String (activity class name), values are Activity.
8247        private final ArrayMap<ComponentName, PackageParser.Service> mServices
8248                = new ArrayMap<ComponentName, PackageParser.Service>();
8249        private int mFlags;
8250    };
8251
8252    private final class ProviderIntentResolver
8253            extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> {
8254        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
8255                boolean defaultOnly, int userId) {
8256            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
8257            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
8258        }
8259
8260        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
8261                int userId) {
8262            if (!sUserManager.exists(userId))
8263                return null;
8264            mFlags = flags;
8265            return super.queryIntent(intent, resolvedType,
8266                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
8267        }
8268
8269        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
8270                int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) {
8271            if (!sUserManager.exists(userId))
8272                return null;
8273            if (packageProviders == null) {
8274                return null;
8275            }
8276            mFlags = flags;
8277            final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0;
8278            final int N = packageProviders.size();
8279            ArrayList<PackageParser.ProviderIntentInfo[]> listCut =
8280                    new ArrayList<PackageParser.ProviderIntentInfo[]>(N);
8281
8282            ArrayList<PackageParser.ProviderIntentInfo> intentFilters;
8283            for (int i = 0; i < N; ++i) {
8284                intentFilters = packageProviders.get(i).intents;
8285                if (intentFilters != null && intentFilters.size() > 0) {
8286                    PackageParser.ProviderIntentInfo[] array =
8287                            new PackageParser.ProviderIntentInfo[intentFilters.size()];
8288                    intentFilters.toArray(array);
8289                    listCut.add(array);
8290                }
8291            }
8292            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
8293        }
8294
8295        public final void addProvider(PackageParser.Provider p) {
8296            if (mProviders.containsKey(p.getComponentName())) {
8297                Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring");
8298                return;
8299            }
8300
8301            mProviders.put(p.getComponentName(), p);
8302            if (DEBUG_SHOW_INFO) {
8303                Log.v(TAG, "  "
8304                        + (p.info.nonLocalizedLabel != null
8305                                ? p.info.nonLocalizedLabel : p.info.name) + ":");
8306                Log.v(TAG, "    Class=" + p.info.name);
8307            }
8308            final int NI = p.intents.size();
8309            int j;
8310            for (j = 0; j < NI; j++) {
8311                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
8312                if (DEBUG_SHOW_INFO) {
8313                    Log.v(TAG, "    IntentFilter:");
8314                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
8315                }
8316                if (!intent.debugCheck()) {
8317                    Log.w(TAG, "==> For Provider " + p.info.name);
8318                }
8319                addFilter(intent);
8320            }
8321        }
8322
8323        public final void removeProvider(PackageParser.Provider p) {
8324            mProviders.remove(p.getComponentName());
8325            if (DEBUG_SHOW_INFO) {
8326                Log.v(TAG, "  " + (p.info.nonLocalizedLabel != null
8327                        ? p.info.nonLocalizedLabel : p.info.name) + ":");
8328                Log.v(TAG, "    Class=" + p.info.name);
8329            }
8330            final int NI = p.intents.size();
8331            int j;
8332            for (j = 0; j < NI; j++) {
8333                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
8334                if (DEBUG_SHOW_INFO) {
8335                    Log.v(TAG, "    IntentFilter:");
8336                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
8337                }
8338                removeFilter(intent);
8339            }
8340        }
8341
8342        @Override
8343        protected boolean allowFilterResult(
8344                PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) {
8345            ProviderInfo filterPi = filter.provider.info;
8346            for (int i = dest.size() - 1; i >= 0; i--) {
8347                ProviderInfo destPi = dest.get(i).providerInfo;
8348                if (destPi.name == filterPi.name
8349                        && destPi.packageName == filterPi.packageName) {
8350                    return false;
8351                }
8352            }
8353            return true;
8354        }
8355
8356        @Override
8357        protected PackageParser.ProviderIntentInfo[] newArray(int size) {
8358            return new PackageParser.ProviderIntentInfo[size];
8359        }
8360
8361        @Override
8362        protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) {
8363            if (!sUserManager.exists(userId))
8364                return true;
8365            PackageParser.Package p = filter.provider.owner;
8366            if (p != null) {
8367                PackageSetting ps = (PackageSetting) p.mExtras;
8368                if (ps != null) {
8369                    // System apps are never considered stopped for purposes of
8370                    // filtering, because there may be no way for the user to
8371                    // actually re-launch them.
8372                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
8373                            && ps.getStopped(userId);
8374                }
8375            }
8376            return false;
8377        }
8378
8379        @Override
8380        protected boolean isPackageForFilter(String packageName,
8381                PackageParser.ProviderIntentInfo info) {
8382            return packageName.equals(info.provider.owner.packageName);
8383        }
8384
8385        @Override
8386        protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter,
8387                int match, int userId) {
8388            if (!sUserManager.exists(userId))
8389                return null;
8390            final PackageParser.ProviderIntentInfo info = filter;
8391            if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) {
8392                return null;
8393            }
8394            final PackageParser.Provider provider = info.provider;
8395            if (mSafeMode && (provider.info.applicationInfo.flags
8396                    & ApplicationInfo.FLAG_SYSTEM) == 0) {
8397                return null;
8398            }
8399            PackageSetting ps = (PackageSetting) provider.owner.mExtras;
8400            if (ps == null) {
8401                return null;
8402            }
8403            ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags,
8404                    ps.readUserState(userId), userId);
8405            if (pi == null) {
8406                return null;
8407            }
8408            final ResolveInfo res = new ResolveInfo();
8409            res.providerInfo = pi;
8410            if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) {
8411                res.filter = filter;
8412            }
8413            res.priority = info.getPriority();
8414            res.preferredOrder = provider.owner.mPreferredOrder;
8415            res.match = match;
8416            res.isDefault = info.hasDefault;
8417            res.labelRes = info.labelRes;
8418            res.nonLocalizedLabel = info.nonLocalizedLabel;
8419            res.icon = info.icon;
8420            res.system = res.providerInfo.applicationInfo.isSystemApp();
8421            return res;
8422        }
8423
8424        @Override
8425        protected void sortResults(List<ResolveInfo> results) {
8426            Collections.sort(results, mResolvePrioritySorter);
8427        }
8428
8429        @Override
8430        protected void dumpFilter(PrintWriter out, String prefix,
8431                PackageParser.ProviderIntentInfo filter) {
8432            out.print(prefix);
8433            out.print(
8434                    Integer.toHexString(System.identityHashCode(filter.provider)));
8435            out.print(' ');
8436            filter.provider.printComponentShortName(out);
8437            out.print(" filter ");
8438            out.println(Integer.toHexString(System.identityHashCode(filter)));
8439        }
8440
8441        @Override
8442        protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) {
8443            return filter.provider;
8444        }
8445
8446        protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) {
8447            PackageParser.Provider provider = (PackageParser.Provider)label;
8448            out.print(prefix); out.print(
8449                    Integer.toHexString(System.identityHashCode(provider)));
8450                    out.print(' ');
8451                    provider.printComponentShortName(out);
8452            if (count > 1) {
8453                out.print(" ("); out.print(count); out.print(" filters)");
8454            }
8455            out.println();
8456        }
8457
8458        private final ArrayMap<ComponentName, PackageParser.Provider> mProviders
8459                = new ArrayMap<ComponentName, PackageParser.Provider>();
8460        private int mFlags;
8461    };
8462
8463    private static final Comparator<ResolveInfo> mResolvePrioritySorter =
8464            new Comparator<ResolveInfo>() {
8465        public int compare(ResolveInfo r1, ResolveInfo r2) {
8466            int v1 = r1.priority;
8467            int v2 = r2.priority;
8468            //System.out.println("Comparing: q1=" + q1 + " q2=" + q2);
8469            if (v1 != v2) {
8470                return (v1 > v2) ? -1 : 1;
8471            }
8472            v1 = r1.preferredOrder;
8473            v2 = r2.preferredOrder;
8474            if (v1 != v2) {
8475                return (v1 > v2) ? -1 : 1;
8476            }
8477            if (r1.isDefault != r2.isDefault) {
8478                return r1.isDefault ? -1 : 1;
8479            }
8480            v1 = r1.match;
8481            v2 = r2.match;
8482            //System.out.println("Comparing: m1=" + m1 + " m2=" + m2);
8483            if (v1 != v2) {
8484                return (v1 > v2) ? -1 : 1;
8485            }
8486            if (r1.system != r2.system) {
8487                return r1.system ? -1 : 1;
8488            }
8489            return 0;
8490        }
8491    };
8492
8493    private static final Comparator<ProviderInfo> mProviderInitOrderSorter =
8494            new Comparator<ProviderInfo>() {
8495        public int compare(ProviderInfo p1, ProviderInfo p2) {
8496            final int v1 = p1.initOrder;
8497            final int v2 = p2.initOrder;
8498            return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0);
8499        }
8500    };
8501
8502    static final void sendPackageBroadcast(String action, String pkg,
8503            Bundle extras, String targetPkg, IIntentReceiver finishedReceiver,
8504            int[] userIds) {
8505        IActivityManager am = ActivityManagerNative.getDefault();
8506        if (am != null) {
8507            try {
8508                if (userIds == null) {
8509                    userIds = am.getRunningUserIds();
8510                }
8511                for (int id : userIds) {
8512                    final Intent intent = new Intent(action,
8513                            pkg != null ? Uri.fromParts("package", pkg, null) : null);
8514                    if (extras != null) {
8515                        intent.putExtras(extras);
8516                    }
8517                    if (targetPkg != null) {
8518                        intent.setPackage(targetPkg);
8519                    }
8520                    // Modify the UID when posting to other users
8521                    int uid = intent.getIntExtra(Intent.EXTRA_UID, -1);
8522                    if (uid > 0 && UserHandle.getUserId(uid) != id) {
8523                        uid = UserHandle.getUid(id, UserHandle.getAppId(uid));
8524                        intent.putExtra(Intent.EXTRA_UID, uid);
8525                    }
8526                    intent.putExtra(Intent.EXTRA_USER_HANDLE, id);
8527                    intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
8528                    if (DEBUG_BROADCASTS) {
8529                        RuntimeException here = new RuntimeException("here");
8530                        here.fillInStackTrace();
8531                        Slog.d(TAG, "Sending to user " + id + ": "
8532                                + intent.toShortString(false, true, false, false)
8533                                + " " + intent.getExtras(), here);
8534                    }
8535                    am.broadcastIntent(null, intent, null, finishedReceiver,
8536                            0, null, null, null, android.app.AppOpsManager.OP_NONE,
8537                            finishedReceiver != null, false, id);
8538                }
8539            } catch (RemoteException ex) {
8540            }
8541        }
8542    }
8543
8544    /**
8545     * Check if the external storage media is available. This is true if there
8546     * is a mounted external storage medium or if the external storage is
8547     * emulated.
8548     */
8549    private boolean isExternalMediaAvailable() {
8550        return mMediaMounted || Environment.isExternalStorageEmulated();
8551    }
8552
8553    @Override
8554    public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) {
8555        // writer
8556        synchronized (mPackages) {
8557            if (!isExternalMediaAvailable()) {
8558                // If the external storage is no longer mounted at this point,
8559                // the caller may not have been able to delete all of this
8560                // packages files and can not delete any more.  Bail.
8561                return null;
8562            }
8563            final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned;
8564            if (lastPackage != null) {
8565                pkgs.remove(lastPackage);
8566            }
8567            if (pkgs.size() > 0) {
8568                return pkgs.get(0);
8569            }
8570        }
8571        return null;
8572    }
8573
8574    void schedulePackageCleaning(String packageName, int userId, boolean andCode) {
8575        final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE,
8576                userId, andCode ? 1 : 0, packageName);
8577        if (mSystemReady) {
8578            msg.sendToTarget();
8579        } else {
8580            if (mPostSystemReadyMessages == null) {
8581                mPostSystemReadyMessages = new ArrayList<>();
8582            }
8583            mPostSystemReadyMessages.add(msg);
8584        }
8585    }
8586
8587    void startCleaningPackages() {
8588        // reader
8589        synchronized (mPackages) {
8590            if (!isExternalMediaAvailable()) {
8591                return;
8592            }
8593            if (mSettings.mPackagesToBeCleaned.isEmpty()) {
8594                return;
8595            }
8596        }
8597        Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE);
8598        intent.setComponent(DEFAULT_CONTAINER_COMPONENT);
8599        IActivityManager am = ActivityManagerNative.getDefault();
8600        if (am != null) {
8601            try {
8602                am.startService(null, intent, null, UserHandle.USER_OWNER);
8603            } catch (RemoteException e) {
8604            }
8605        }
8606    }
8607
8608    @Override
8609    public void installPackage(String originPath, IPackageInstallObserver2 observer,
8610            int installFlags, String installerPackageName, VerificationParams verificationParams,
8611            String packageAbiOverride) {
8612        installPackageAsUser(originPath, observer, installFlags, installerPackageName,
8613                verificationParams, packageAbiOverride, UserHandle.getCallingUserId());
8614    }
8615
8616    @Override
8617    public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer,
8618            int installFlags, String installerPackageName, VerificationParams verificationParams,
8619            String packageAbiOverride, int userId) {
8620        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null);
8621
8622        final int callingUid = Binder.getCallingUid();
8623        enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser");
8624
8625        if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) {
8626            try {
8627                if (observer != null) {
8628                    observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null);
8629                }
8630            } catch (RemoteException re) {
8631            }
8632            return;
8633        }
8634
8635        if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) {
8636            installFlags |= PackageManager.INSTALL_FROM_ADB;
8637
8638        } else {
8639            // Caller holds INSTALL_PACKAGES permission, so we're less strict
8640            // about installerPackageName.
8641
8642            installFlags &= ~PackageManager.INSTALL_FROM_ADB;
8643            installFlags &= ~PackageManager.INSTALL_ALL_USERS;
8644        }
8645
8646        UserHandle user;
8647        if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) {
8648            user = UserHandle.ALL;
8649        } else {
8650            user = new UserHandle(userId);
8651        }
8652
8653        // Only system components can circumvent runtime permissions when installing.
8654        if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0
8655                && mContext.checkCallingOrSelfPermission(Manifest.permission
8656                .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) {
8657            throw new SecurityException("You need the "
8658                    + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission "
8659                    + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag");
8660        }
8661
8662        verificationParams.setInstallerUid(callingUid);
8663
8664        final File originFile = new File(originPath);
8665        final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile);
8666
8667        final Message msg = mHandler.obtainMessage(INIT_COPY);
8668        msg.obj = new InstallParams(origin, observer, installFlags,
8669                installerPackageName, null, verificationParams, user, packageAbiOverride);
8670        mHandler.sendMessage(msg);
8671    }
8672
8673    void installStage(String packageName, File stagedDir, String stagedCid,
8674            IPackageInstallObserver2 observer, PackageInstaller.SessionParams params,
8675            String installerPackageName, int installerUid, UserHandle user) {
8676        final VerificationParams verifParams = new VerificationParams(null, params.originatingUri,
8677                params.referrerUri, installerUid, null);
8678
8679        final OriginInfo origin;
8680        if (stagedDir != null) {
8681            origin = OriginInfo.fromStagedFile(stagedDir);
8682        } else {
8683            origin = OriginInfo.fromStagedContainer(stagedCid);
8684        }
8685
8686        final Message msg = mHandler.obtainMessage(INIT_COPY);
8687        msg.obj = new InstallParams(origin, observer, params.installFlags,
8688                installerPackageName, params.volumeUuid, verifParams, user, params.abiOverride);
8689        mHandler.sendMessage(msg);
8690    }
8691
8692    private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) {
8693        Bundle extras = new Bundle(1);
8694        extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId));
8695
8696        sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
8697                packageName, extras, null, null, new int[] {userId});
8698        try {
8699            IActivityManager am = ActivityManagerNative.getDefault();
8700            final boolean isSystem =
8701                    isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting);
8702            if (isSystem && am.isUserRunning(userId, false)) {
8703                // The just-installed/enabled app is bundled on the system, so presumed
8704                // to be able to run automatically without needing an explicit launch.
8705                // Send it a BOOT_COMPLETED if it would ordinarily have gotten one.
8706                Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED)
8707                        .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
8708                        .setPackage(packageName);
8709                am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null,
8710                        android.app.AppOpsManager.OP_NONE, false, false, userId);
8711            }
8712        } catch (RemoteException e) {
8713            // shouldn't happen
8714            Slog.w(TAG, "Unable to bootstrap installed package", e);
8715        }
8716    }
8717
8718    @Override
8719    public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden,
8720            int userId) {
8721        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
8722        PackageSetting pkgSetting;
8723        final int uid = Binder.getCallingUid();
8724        enforceCrossUserPermission(uid, userId, true, true,
8725                "setApplicationHiddenSetting for user " + userId);
8726
8727        if (hidden && isPackageDeviceAdmin(packageName, userId)) {
8728            Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin");
8729            return false;
8730        }
8731
8732        long callingId = Binder.clearCallingIdentity();
8733        try {
8734            boolean sendAdded = false;
8735            boolean sendRemoved = false;
8736            // writer
8737            synchronized (mPackages) {
8738                pkgSetting = mSettings.mPackages.get(packageName);
8739                if (pkgSetting == null) {
8740                    return false;
8741                }
8742                if (pkgSetting.getHidden(userId) != hidden) {
8743                    pkgSetting.setHidden(hidden, userId);
8744                    mSettings.writePackageRestrictionsLPr(userId);
8745                    if (hidden) {
8746                        sendRemoved = true;
8747                    } else {
8748                        sendAdded = true;
8749                    }
8750                }
8751            }
8752            if (sendAdded) {
8753                sendPackageAddedForUser(packageName, pkgSetting, userId);
8754                return true;
8755            }
8756            if (sendRemoved) {
8757                killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId),
8758                        "hiding pkg");
8759                sendApplicationHiddenForUser(packageName, pkgSetting, userId);
8760            }
8761        } finally {
8762            Binder.restoreCallingIdentity(callingId);
8763        }
8764        return false;
8765    }
8766
8767    private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting,
8768            int userId) {
8769        final PackageRemovedInfo info = new PackageRemovedInfo();
8770        info.removedPackage = packageName;
8771        info.removedUsers = new int[] {userId};
8772        info.uid = UserHandle.getUid(userId, pkgSetting.appId);
8773        info.sendBroadcast(false, false, false);
8774    }
8775
8776    /**
8777     * Returns true if application is not found or there was an error. Otherwise it returns
8778     * the hidden state of the package for the given user.
8779     */
8780    @Override
8781    public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) {
8782        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
8783        enforceCrossUserPermission(Binder.getCallingUid(), userId, true,
8784                false, "getApplicationHidden for user " + userId);
8785        PackageSetting pkgSetting;
8786        long callingId = Binder.clearCallingIdentity();
8787        try {
8788            // writer
8789            synchronized (mPackages) {
8790                pkgSetting = mSettings.mPackages.get(packageName);
8791                if (pkgSetting == null) {
8792                    return true;
8793                }
8794                return pkgSetting.getHidden(userId);
8795            }
8796        } finally {
8797            Binder.restoreCallingIdentity(callingId);
8798        }
8799    }
8800
8801    /**
8802     * @hide
8803     */
8804    @Override
8805    public int installExistingPackageAsUser(String packageName, int userId) {
8806        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES,
8807                null);
8808        PackageSetting pkgSetting;
8809        final int uid = Binder.getCallingUid();
8810        enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user "
8811                + userId);
8812        if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) {
8813            return PackageManager.INSTALL_FAILED_USER_RESTRICTED;
8814        }
8815
8816        long callingId = Binder.clearCallingIdentity();
8817        try {
8818            boolean sendAdded = false;
8819
8820            // writer
8821            synchronized (mPackages) {
8822                pkgSetting = mSettings.mPackages.get(packageName);
8823                if (pkgSetting == null) {
8824                    return PackageManager.INSTALL_FAILED_INVALID_URI;
8825                }
8826                if (!pkgSetting.getInstalled(userId)) {
8827                    pkgSetting.setInstalled(true, userId);
8828                    pkgSetting.setHidden(false, userId);
8829                    mSettings.writePackageRestrictionsLPr(userId);
8830                    sendAdded = true;
8831                }
8832            }
8833
8834            if (sendAdded) {
8835                sendPackageAddedForUser(packageName, pkgSetting, userId);
8836            }
8837        } finally {
8838            Binder.restoreCallingIdentity(callingId);
8839        }
8840
8841        return PackageManager.INSTALL_SUCCEEDED;
8842    }
8843
8844    boolean isUserRestricted(int userId, String restrictionKey) {
8845        Bundle restrictions = sUserManager.getUserRestrictions(userId);
8846        if (restrictions.getBoolean(restrictionKey, false)) {
8847            Log.w(TAG, "User is restricted: " + restrictionKey);
8848            return true;
8849        }
8850        return false;
8851    }
8852
8853    @Override
8854    public void verifyPendingInstall(int id, int verificationCode) throws RemoteException {
8855        mContext.enforceCallingOrSelfPermission(
8856                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
8857                "Only package verification agents can verify applications");
8858
8859        final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
8860        final PackageVerificationResponse response = new PackageVerificationResponse(
8861                verificationCode, Binder.getCallingUid());
8862        msg.arg1 = id;
8863        msg.obj = response;
8864        mHandler.sendMessage(msg);
8865    }
8866
8867    @Override
8868    public void extendVerificationTimeout(int id, int verificationCodeAtTimeout,
8869            long millisecondsToDelay) {
8870        mContext.enforceCallingOrSelfPermission(
8871                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
8872                "Only package verification agents can extend verification timeouts");
8873
8874        final PackageVerificationState state = mPendingVerification.get(id);
8875        final PackageVerificationResponse response = new PackageVerificationResponse(
8876                verificationCodeAtTimeout, Binder.getCallingUid());
8877
8878        if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) {
8879            millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT;
8880        }
8881        if (millisecondsToDelay < 0) {
8882            millisecondsToDelay = 0;
8883        }
8884        if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW)
8885                && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) {
8886            verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT;
8887        }
8888
8889        if ((state != null) && !state.timeoutExtended()) {
8890            state.extendTimeout();
8891
8892            final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
8893            msg.arg1 = id;
8894            msg.obj = response;
8895            mHandler.sendMessageDelayed(msg, millisecondsToDelay);
8896        }
8897    }
8898
8899    private void broadcastPackageVerified(int verificationId, Uri packageUri,
8900            int verificationCode, UserHandle user) {
8901        final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED);
8902        intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE);
8903        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
8904        intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
8905        intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode);
8906
8907        mContext.sendBroadcastAsUser(intent, user,
8908                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT);
8909    }
8910
8911    private ComponentName matchComponentForVerifier(String packageName,
8912            List<ResolveInfo> receivers) {
8913        ActivityInfo targetReceiver = null;
8914
8915        final int NR = receivers.size();
8916        for (int i = 0; i < NR; i++) {
8917            final ResolveInfo info = receivers.get(i);
8918            if (info.activityInfo == null) {
8919                continue;
8920            }
8921
8922            if (packageName.equals(info.activityInfo.packageName)) {
8923                targetReceiver = info.activityInfo;
8924                break;
8925            }
8926        }
8927
8928        if (targetReceiver == null) {
8929            return null;
8930        }
8931
8932        return new ComponentName(targetReceiver.packageName, targetReceiver.name);
8933    }
8934
8935    private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo,
8936            List<ResolveInfo> receivers, final PackageVerificationState verificationState) {
8937        if (pkgInfo.verifiers.length == 0) {
8938            return null;
8939        }
8940
8941        final int N = pkgInfo.verifiers.length;
8942        final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1);
8943        for (int i = 0; i < N; i++) {
8944            final VerifierInfo verifierInfo = pkgInfo.verifiers[i];
8945
8946            final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName,
8947                    receivers);
8948            if (comp == null) {
8949                continue;
8950            }
8951
8952            final int verifierUid = getUidForVerifier(verifierInfo);
8953            if (verifierUid == -1) {
8954                continue;
8955            }
8956
8957            if (DEBUG_VERIFY) {
8958                Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName
8959                        + " with the correct signature");
8960            }
8961            sufficientVerifiers.add(comp);
8962            verificationState.addSufficientVerifier(verifierUid);
8963        }
8964
8965        return sufficientVerifiers;
8966    }
8967
8968    private int getUidForVerifier(VerifierInfo verifierInfo) {
8969        synchronized (mPackages) {
8970            final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName);
8971            if (pkg == null) {
8972                return -1;
8973            } else if (pkg.mSignatures.length != 1) {
8974                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
8975                        + " has more than one signature; ignoring");
8976                return -1;
8977            }
8978
8979            /*
8980             * If the public key of the package's signature does not match
8981             * our expected public key, then this is a different package and
8982             * we should skip.
8983             */
8984
8985            final byte[] expectedPublicKey;
8986            try {
8987                final Signature verifierSig = pkg.mSignatures[0];
8988                final PublicKey publicKey = verifierSig.getPublicKey();
8989                expectedPublicKey = publicKey.getEncoded();
8990            } catch (CertificateException e) {
8991                return -1;
8992            }
8993
8994            final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded();
8995
8996            if (!Arrays.equals(actualPublicKey, expectedPublicKey)) {
8997                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
8998                        + " does not have the expected public key; ignoring");
8999                return -1;
9000            }
9001
9002            return pkg.applicationInfo.uid;
9003        }
9004    }
9005
9006    @Override
9007    public void finishPackageInstall(int token) {
9008        enforceSystemOrRoot("Only the system is allowed to finish installs");
9009
9010        if (DEBUG_INSTALL) {
9011            Slog.v(TAG, "BM finishing package install for " + token);
9012        }
9013
9014        final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
9015        mHandler.sendMessage(msg);
9016    }
9017
9018    /**
9019     * Get the verification agent timeout.
9020     *
9021     * @return verification timeout in milliseconds
9022     */
9023    private long getVerificationTimeout() {
9024        return android.provider.Settings.Global.getLong(mContext.getContentResolver(),
9025                android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT,
9026                DEFAULT_VERIFICATION_TIMEOUT);
9027    }
9028
9029    /**
9030     * Get the default verification agent response code.
9031     *
9032     * @return default verification response code
9033     */
9034    private int getDefaultVerificationResponse() {
9035        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
9036                android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE,
9037                DEFAULT_VERIFICATION_RESPONSE);
9038    }
9039
9040    /**
9041     * Check whether or not package verification has been enabled.
9042     *
9043     * @return true if verification should be performed
9044     */
9045    private boolean isVerificationEnabled(int userId, int installFlags) {
9046        if (!DEFAULT_VERIFY_ENABLE) {
9047            return false;
9048        }
9049
9050        boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS);
9051
9052        // Check if installing from ADB
9053        if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) {
9054            // Do not run verification in a test harness environment
9055            if (ActivityManager.isRunningInTestHarness()) {
9056                return false;
9057            }
9058            if (ensureVerifyAppsEnabled) {
9059                return true;
9060            }
9061            // Check if the developer does not want package verification for ADB installs
9062            if (android.provider.Settings.Global.getInt(mContext.getContentResolver(),
9063                    android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) {
9064                return false;
9065            }
9066        }
9067
9068        if (ensureVerifyAppsEnabled) {
9069            return true;
9070        }
9071
9072        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
9073                android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1;
9074    }
9075
9076    @Override
9077    public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains)
9078            throws RemoteException {
9079        mContext.enforceCallingOrSelfPermission(
9080                Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT,
9081                "Only intentfilter verification agents can verify applications");
9082
9083        final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED);
9084        final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse(
9085                Binder.getCallingUid(), verificationCode, failedDomains);
9086        msg.arg1 = id;
9087        msg.obj = response;
9088        mHandler.sendMessage(msg);
9089    }
9090
9091    @Override
9092    public int getIntentVerificationStatus(String packageName, int userId) {
9093        synchronized (mPackages) {
9094            return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId);
9095        }
9096    }
9097
9098    @Override
9099    public boolean updateIntentVerificationStatus(String packageName, int status, int userId) {
9100        boolean result = false;
9101        synchronized (mPackages) {
9102            result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId);
9103        }
9104        scheduleWritePackageRestrictionsLocked(userId);
9105        return result;
9106    }
9107
9108    @Override
9109    public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) {
9110        synchronized (mPackages) {
9111            return mSettings.getIntentFilterVerificationsLPr(packageName);
9112        }
9113    }
9114
9115    @Override
9116    public List<IntentFilter> getAllIntentFilters(String packageName) {
9117        if (TextUtils.isEmpty(packageName)) {
9118            return Collections.<IntentFilter>emptyList();
9119        }
9120        synchronized (mPackages) {
9121            PackageParser.Package pkg = mPackages.get(packageName);
9122            if (pkg == null || pkg.activities == null) {
9123                return Collections.<IntentFilter>emptyList();
9124            }
9125            final int count = pkg.activities.size();
9126            ArrayList<IntentFilter> result = new ArrayList<>();
9127            for (int n=0; n<count; n++) {
9128                PackageParser.Activity activity = pkg.activities.get(n);
9129                if (activity.intents != null || activity.intents.size() > 0) {
9130                    result.addAll(activity.intents);
9131                }
9132            }
9133            return result;
9134        }
9135    }
9136
9137    @Override
9138    public boolean setDefaultBrowserPackageName(String packageName, int userId) {
9139        synchronized (mPackages) {
9140            return mSettings.setDefaultBrowserPackageNameLPr(packageName, userId);
9141        }
9142    }
9143
9144    @Override
9145    public String getDefaultBrowserPackageName(int userId) {
9146        synchronized (mPackages) {
9147            return mSettings.getDefaultBrowserPackageNameLPw(userId);
9148        }
9149    }
9150
9151    /**
9152     * Get the "allow unknown sources" setting.
9153     *
9154     * @return the current "allow unknown sources" setting
9155     */
9156    private int getUnknownSourcesSettings() {
9157        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
9158                android.provider.Settings.Global.INSTALL_NON_MARKET_APPS,
9159                -1);
9160    }
9161
9162    @Override
9163    public void setInstallerPackageName(String targetPackage, String installerPackageName) {
9164        final int uid = Binder.getCallingUid();
9165        // writer
9166        synchronized (mPackages) {
9167            PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage);
9168            if (targetPackageSetting == null) {
9169                throw new IllegalArgumentException("Unknown target package: " + targetPackage);
9170            }
9171
9172            PackageSetting installerPackageSetting;
9173            if (installerPackageName != null) {
9174                installerPackageSetting = mSettings.mPackages.get(installerPackageName);
9175                if (installerPackageSetting == null) {
9176                    throw new IllegalArgumentException("Unknown installer package: "
9177                            + installerPackageName);
9178                }
9179            } else {
9180                installerPackageSetting = null;
9181            }
9182
9183            Signature[] callerSignature;
9184            Object obj = mSettings.getUserIdLPr(uid);
9185            if (obj != null) {
9186                if (obj instanceof SharedUserSetting) {
9187                    callerSignature = ((SharedUserSetting)obj).signatures.mSignatures;
9188                } else if (obj instanceof PackageSetting) {
9189                    callerSignature = ((PackageSetting)obj).signatures.mSignatures;
9190                } else {
9191                    throw new SecurityException("Bad object " + obj + " for uid " + uid);
9192                }
9193            } else {
9194                throw new SecurityException("Unknown calling uid " + uid);
9195            }
9196
9197            // Verify: can't set installerPackageName to a package that is
9198            // not signed with the same cert as the caller.
9199            if (installerPackageSetting != null) {
9200                if (compareSignatures(callerSignature,
9201                        installerPackageSetting.signatures.mSignatures)
9202                        != PackageManager.SIGNATURE_MATCH) {
9203                    throw new SecurityException(
9204                            "Caller does not have same cert as new installer package "
9205                            + installerPackageName);
9206                }
9207            }
9208
9209            // Verify: if target already has an installer package, it must
9210            // be signed with the same cert as the caller.
9211            if (targetPackageSetting.installerPackageName != null) {
9212                PackageSetting setting = mSettings.mPackages.get(
9213                        targetPackageSetting.installerPackageName);
9214                // If the currently set package isn't valid, then it's always
9215                // okay to change it.
9216                if (setting != null) {
9217                    if (compareSignatures(callerSignature,
9218                            setting.signatures.mSignatures)
9219                            != PackageManager.SIGNATURE_MATCH) {
9220                        throw new SecurityException(
9221                                "Caller does not have same cert as old installer package "
9222                                + targetPackageSetting.installerPackageName);
9223                    }
9224                }
9225            }
9226
9227            // Okay!
9228            targetPackageSetting.installerPackageName = installerPackageName;
9229            scheduleWriteSettingsLocked();
9230        }
9231    }
9232
9233    private void processPendingInstall(final InstallArgs args, final int currentStatus) {
9234        // Queue up an async operation since the package installation may take a little while.
9235        mHandler.post(new Runnable() {
9236            public void run() {
9237                mHandler.removeCallbacks(this);
9238                 // Result object to be returned
9239                PackageInstalledInfo res = new PackageInstalledInfo();
9240                res.returnCode = currentStatus;
9241                res.uid = -1;
9242                res.pkg = null;
9243                res.removedInfo = new PackageRemovedInfo();
9244                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
9245                    args.doPreInstall(res.returnCode);
9246                    synchronized (mInstallLock) {
9247                        installPackageLI(args, res);
9248                    }
9249                    args.doPostInstall(res.returnCode, res.uid);
9250                }
9251
9252                // A restore should be performed at this point if (a) the install
9253                // succeeded, (b) the operation is not an update, and (c) the new
9254                // package has not opted out of backup participation.
9255                final boolean update = res.removedInfo.removedPackage != null;
9256                final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags;
9257                boolean doRestore = !update
9258                        && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0);
9259
9260                // Set up the post-install work request bookkeeping.  This will be used
9261                // and cleaned up by the post-install event handling regardless of whether
9262                // there's a restore pass performed.  Token values are >= 1.
9263                int token;
9264                if (mNextInstallToken < 0) mNextInstallToken = 1;
9265                token = mNextInstallToken++;
9266
9267                PostInstallData data = new PostInstallData(args, res);
9268                mRunningInstalls.put(token, data);
9269                if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token);
9270
9271                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) {
9272                    // Pass responsibility to the Backup Manager.  It will perform a
9273                    // restore if appropriate, then pass responsibility back to the
9274                    // Package Manager to run the post-install observer callbacks
9275                    // and broadcasts.
9276                    IBackupManager bm = IBackupManager.Stub.asInterface(
9277                            ServiceManager.getService(Context.BACKUP_SERVICE));
9278                    if (bm != null) {
9279                        if (DEBUG_INSTALL) Log.v(TAG, "token " + token
9280                                + " to BM for possible restore");
9281                        try {
9282                            if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) {
9283                                bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token);
9284                            } else {
9285                                doRestore = false;
9286                            }
9287                        } catch (RemoteException e) {
9288                            // can't happen; the backup manager is local
9289                        } catch (Exception e) {
9290                            Slog.e(TAG, "Exception trying to enqueue restore", e);
9291                            doRestore = false;
9292                        }
9293                    } else {
9294                        Slog.e(TAG, "Backup Manager not found!");
9295                        doRestore = false;
9296                    }
9297                }
9298
9299                if (!doRestore) {
9300                    // No restore possible, or the Backup Manager was mysteriously not
9301                    // available -- just fire the post-install work request directly.
9302                    if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token);
9303                    Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
9304                    mHandler.sendMessage(msg);
9305                }
9306            }
9307        });
9308    }
9309
9310    private abstract class HandlerParams {
9311        private static final int MAX_RETRIES = 4;
9312
9313        /**
9314         * Number of times startCopy() has been attempted and had a non-fatal
9315         * error.
9316         */
9317        private int mRetries = 0;
9318
9319        /** User handle for the user requesting the information or installation. */
9320        private final UserHandle mUser;
9321
9322        HandlerParams(UserHandle user) {
9323            mUser = user;
9324        }
9325
9326        UserHandle getUser() {
9327            return mUser;
9328        }
9329
9330        final boolean startCopy() {
9331            boolean res;
9332            try {
9333                if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this);
9334
9335                if (++mRetries > MAX_RETRIES) {
9336                    Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up");
9337                    mHandler.sendEmptyMessage(MCS_GIVE_UP);
9338                    handleServiceError();
9339                    return false;
9340                } else {
9341                    handleStartCopy();
9342                    res = true;
9343                }
9344            } catch (RemoteException e) {
9345                if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT");
9346                mHandler.sendEmptyMessage(MCS_RECONNECT);
9347                res = false;
9348            }
9349            handleReturnCode();
9350            return res;
9351        }
9352
9353        final void serviceError() {
9354            if (DEBUG_INSTALL) Slog.i(TAG, "serviceError");
9355            handleServiceError();
9356            handleReturnCode();
9357        }
9358
9359        abstract void handleStartCopy() throws RemoteException;
9360        abstract void handleServiceError();
9361        abstract void handleReturnCode();
9362    }
9363
9364    class MeasureParams extends HandlerParams {
9365        private final PackageStats mStats;
9366        private boolean mSuccess;
9367
9368        private final IPackageStatsObserver mObserver;
9369
9370        public MeasureParams(PackageStats stats, IPackageStatsObserver observer) {
9371            super(new UserHandle(stats.userHandle));
9372            mObserver = observer;
9373            mStats = stats;
9374        }
9375
9376        @Override
9377        public String toString() {
9378            return "MeasureParams{"
9379                + Integer.toHexString(System.identityHashCode(this))
9380                + " " + mStats.packageName + "}";
9381        }
9382
9383        @Override
9384        void handleStartCopy() throws RemoteException {
9385            synchronized (mInstallLock) {
9386                mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats);
9387            }
9388
9389            if (mSuccess) {
9390                final boolean mounted;
9391                if (Environment.isExternalStorageEmulated()) {
9392                    mounted = true;
9393                } else {
9394                    final String status = Environment.getExternalStorageState();
9395                    mounted = (Environment.MEDIA_MOUNTED.equals(status)
9396                            || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status));
9397                }
9398
9399                if (mounted) {
9400                    final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle);
9401
9402                    mStats.externalCacheSize = calculateDirectorySize(mContainerService,
9403                            userEnv.buildExternalStorageAppCacheDirs(mStats.packageName));
9404
9405                    mStats.externalDataSize = calculateDirectorySize(mContainerService,
9406                            userEnv.buildExternalStorageAppDataDirs(mStats.packageName));
9407
9408                    // Always subtract cache size, since it's a subdirectory
9409                    mStats.externalDataSize -= mStats.externalCacheSize;
9410
9411                    mStats.externalMediaSize = calculateDirectorySize(mContainerService,
9412                            userEnv.buildExternalStorageAppMediaDirs(mStats.packageName));
9413
9414                    mStats.externalObbSize = calculateDirectorySize(mContainerService,
9415                            userEnv.buildExternalStorageAppObbDirs(mStats.packageName));
9416                }
9417            }
9418        }
9419
9420        @Override
9421        void handleReturnCode() {
9422            if (mObserver != null) {
9423                try {
9424                    mObserver.onGetStatsCompleted(mStats, mSuccess);
9425                } catch (RemoteException e) {
9426                    Slog.i(TAG, "Observer no longer exists.");
9427                }
9428            }
9429        }
9430
9431        @Override
9432        void handleServiceError() {
9433            Slog.e(TAG, "Could not measure application " + mStats.packageName
9434                            + " external storage");
9435        }
9436    }
9437
9438    private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths)
9439            throws RemoteException {
9440        long result = 0;
9441        for (File path : paths) {
9442            result += mcs.calculateDirectorySize(path.getAbsolutePath());
9443        }
9444        return result;
9445    }
9446
9447    private static void clearDirectory(IMediaContainerService mcs, File[] paths) {
9448        for (File path : paths) {
9449            try {
9450                mcs.clearDirectory(path.getAbsolutePath());
9451            } catch (RemoteException e) {
9452            }
9453        }
9454    }
9455
9456    static class OriginInfo {
9457        /**
9458         * Location where install is coming from, before it has been
9459         * copied/renamed into place. This could be a single monolithic APK
9460         * file, or a cluster directory. This location may be untrusted.
9461         */
9462        final File file;
9463        final String cid;
9464
9465        /**
9466         * Flag indicating that {@link #file} or {@link #cid} has already been
9467         * staged, meaning downstream users don't need to defensively copy the
9468         * contents.
9469         */
9470        final boolean staged;
9471
9472        /**
9473         * Flag indicating that {@link #file} or {@link #cid} is an already
9474         * installed app that is being moved.
9475         */
9476        final boolean existing;
9477
9478        final String resolvedPath;
9479        final File resolvedFile;
9480
9481        static OriginInfo fromNothing() {
9482            return new OriginInfo(null, null, false, false);
9483        }
9484
9485        static OriginInfo fromUntrustedFile(File file) {
9486            return new OriginInfo(file, null, false, false);
9487        }
9488
9489        static OriginInfo fromExistingFile(File file) {
9490            return new OriginInfo(file, null, false, true);
9491        }
9492
9493        static OriginInfo fromStagedFile(File file) {
9494            return new OriginInfo(file, null, true, false);
9495        }
9496
9497        static OriginInfo fromStagedContainer(String cid) {
9498            return new OriginInfo(null, cid, true, false);
9499        }
9500
9501        private OriginInfo(File file, String cid, boolean staged, boolean existing) {
9502            this.file = file;
9503            this.cid = cid;
9504            this.staged = staged;
9505            this.existing = existing;
9506
9507            if (cid != null) {
9508                resolvedPath = PackageHelper.getSdDir(cid);
9509                resolvedFile = new File(resolvedPath);
9510            } else if (file != null) {
9511                resolvedPath = file.getAbsolutePath();
9512                resolvedFile = file;
9513            } else {
9514                resolvedPath = null;
9515                resolvedFile = null;
9516            }
9517        }
9518    }
9519
9520    class InstallParams extends HandlerParams {
9521        final OriginInfo origin;
9522        final IPackageInstallObserver2 observer;
9523        int installFlags;
9524        final String installerPackageName;
9525        final String volumeUuid;
9526        final VerificationParams verificationParams;
9527        private InstallArgs mArgs;
9528        private int mRet;
9529        final String packageAbiOverride;
9530
9531        InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags,
9532                String installerPackageName, String volumeUuid,
9533                VerificationParams verificationParams, UserHandle user, String packageAbiOverride) {
9534            super(user);
9535            this.origin = origin;
9536            this.observer = observer;
9537            this.installFlags = installFlags;
9538            this.installerPackageName = installerPackageName;
9539            this.volumeUuid = volumeUuid;
9540            this.verificationParams = verificationParams;
9541            this.packageAbiOverride = packageAbiOverride;
9542        }
9543
9544        @Override
9545        public String toString() {
9546            return "InstallParams{" + Integer.toHexString(System.identityHashCode(this))
9547                    + " file=" + origin.file + " cid=" + origin.cid + "}";
9548        }
9549
9550        public ManifestDigest getManifestDigest() {
9551            if (verificationParams == null) {
9552                return null;
9553            }
9554            return verificationParams.getManifestDigest();
9555        }
9556
9557        private int installLocationPolicy(PackageInfoLite pkgLite) {
9558            String packageName = pkgLite.packageName;
9559            int installLocation = pkgLite.installLocation;
9560            boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
9561            // reader
9562            synchronized (mPackages) {
9563                PackageParser.Package pkg = mPackages.get(packageName);
9564                if (pkg != null) {
9565                    if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
9566                        // Check for downgrading.
9567                        if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) {
9568                            try {
9569                                checkDowngrade(pkg, pkgLite);
9570                            } catch (PackageManagerException e) {
9571                                Slog.w(TAG, "Downgrade detected: " + e.getMessage());
9572                                return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE;
9573                            }
9574                        }
9575                        // Check for updated system application.
9576                        if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
9577                            if (onSd) {
9578                                Slog.w(TAG, "Cannot install update to system app on sdcard");
9579                                return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION;
9580                            }
9581                            return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
9582                        } else {
9583                            if (onSd) {
9584                                // Install flag overrides everything.
9585                                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
9586                            }
9587                            // If current upgrade specifies particular preference
9588                            if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) {
9589                                // Application explicitly specified internal.
9590                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
9591                            } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) {
9592                                // App explictly prefers external. Let policy decide
9593                            } else {
9594                                // Prefer previous location
9595                                if (isExternal(pkg)) {
9596                                    return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
9597                                }
9598                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
9599                            }
9600                        }
9601                    } else {
9602                        // Invalid install. Return error code
9603                        return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS;
9604                    }
9605                }
9606            }
9607            // All the special cases have been taken care of.
9608            // Return result based on recommended install location.
9609            if (onSd) {
9610                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
9611            }
9612            return pkgLite.recommendedInstallLocation;
9613        }
9614
9615        /*
9616         * Invoke remote method to get package information and install
9617         * location values. Override install location based on default
9618         * policy if needed and then create install arguments based
9619         * on the install location.
9620         */
9621        public void handleStartCopy() throws RemoteException {
9622            int ret = PackageManager.INSTALL_SUCCEEDED;
9623
9624            // If we're already staged, we've firmly committed to an install location
9625            if (origin.staged) {
9626                if (origin.file != null) {
9627                    installFlags |= PackageManager.INSTALL_INTERNAL;
9628                    installFlags &= ~PackageManager.INSTALL_EXTERNAL;
9629                } else if (origin.cid != null) {
9630                    installFlags |= PackageManager.INSTALL_EXTERNAL;
9631                    installFlags &= ~PackageManager.INSTALL_INTERNAL;
9632                } else {
9633                    throw new IllegalStateException("Invalid stage location");
9634                }
9635            }
9636
9637            final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
9638            final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0;
9639
9640            PackageInfoLite pkgLite = null;
9641
9642            if (onInt && onSd) {
9643                // Check if both bits are set.
9644                Slog.w(TAG, "Conflicting flags specified for installing on both internal and external");
9645                ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
9646            } else {
9647                pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags,
9648                        packageAbiOverride);
9649
9650                /*
9651                 * If we have too little free space, try to free cache
9652                 * before giving up.
9653                 */
9654                if (!origin.staged && pkgLite.recommendedInstallLocation
9655                        == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
9656                    // TODO: focus freeing disk space on the target device
9657                    final StorageManager storage = StorageManager.from(mContext);
9658                    final long lowThreshold = storage.getStorageLowBytes(
9659                            Environment.getDataDirectory());
9660
9661                    final long sizeBytes = mContainerService.calculateInstalledSize(
9662                            origin.resolvedPath, isForwardLocked(), packageAbiOverride);
9663
9664                    if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) {
9665                        pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath,
9666                                installFlags, packageAbiOverride);
9667                    }
9668
9669                    /*
9670                     * The cache free must have deleted the file we
9671                     * downloaded to install.
9672                     *
9673                     * TODO: fix the "freeCache" call to not delete
9674                     *       the file we care about.
9675                     */
9676                    if (pkgLite.recommendedInstallLocation
9677                            == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
9678                        pkgLite.recommendedInstallLocation
9679                            = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE;
9680                    }
9681                }
9682            }
9683
9684            if (ret == PackageManager.INSTALL_SUCCEEDED) {
9685                int loc = pkgLite.recommendedInstallLocation;
9686                if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) {
9687                    ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
9688                } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) {
9689                    ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
9690                } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
9691                    ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
9692                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) {
9693                    ret = PackageManager.INSTALL_FAILED_INVALID_APK;
9694                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
9695                    ret = PackageManager.INSTALL_FAILED_INVALID_URI;
9696                } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) {
9697                    ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE;
9698                } else {
9699                    // Override with defaults if needed.
9700                    loc = installLocationPolicy(pkgLite);
9701                    if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) {
9702                        ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE;
9703                    } else if (!onSd && !onInt) {
9704                        // Override install location with flags
9705                        if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) {
9706                            // Set the flag to install on external media.
9707                            installFlags |= PackageManager.INSTALL_EXTERNAL;
9708                            installFlags &= ~PackageManager.INSTALL_INTERNAL;
9709                        } else {
9710                            // Make sure the flag for installing on external
9711                            // media is unset
9712                            installFlags |= PackageManager.INSTALL_INTERNAL;
9713                            installFlags &= ~PackageManager.INSTALL_EXTERNAL;
9714                        }
9715                    }
9716                }
9717            }
9718
9719            final InstallArgs args = createInstallArgs(this);
9720            mArgs = args;
9721
9722            if (ret == PackageManager.INSTALL_SUCCEEDED) {
9723                 /*
9724                 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by
9725                 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER.
9726                 */
9727                int userIdentifier = getUser().getIdentifier();
9728                if (userIdentifier == UserHandle.USER_ALL
9729                        && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) {
9730                    userIdentifier = UserHandle.USER_OWNER;
9731                }
9732
9733                /*
9734                 * Determine if we have any installed package verifiers. If we
9735                 * do, then we'll defer to them to verify the packages.
9736                 */
9737                final int requiredUid = mRequiredVerifierPackage == null ? -1
9738                        : getPackageUid(mRequiredVerifierPackage, userIdentifier);
9739                if (!origin.existing && requiredUid != -1
9740                        && isVerificationEnabled(userIdentifier, installFlags)) {
9741                    final Intent verification = new Intent(
9742                            Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
9743                    verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
9744                    verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)),
9745                            PACKAGE_MIME_TYPE);
9746                    verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
9747
9748                    final List<ResolveInfo> receivers = queryIntentReceivers(verification,
9749                            PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS,
9750                            0 /* TODO: Which userId? */);
9751
9752                    if (DEBUG_VERIFY) {
9753                        Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent "
9754                                + verification.toString() + " with " + pkgLite.verifiers.length
9755                                + " optional verifiers");
9756                    }
9757
9758                    final int verificationId = mPendingVerificationToken++;
9759
9760                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
9761
9762                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE,
9763                            installerPackageName);
9764
9765                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS,
9766                            installFlags);
9767
9768                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME,
9769                            pkgLite.packageName);
9770
9771                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE,
9772                            pkgLite.versionCode);
9773
9774                    if (verificationParams != null) {
9775                        if (verificationParams.getVerificationURI() != null) {
9776                           verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI,
9777                                 verificationParams.getVerificationURI());
9778                        }
9779                        if (verificationParams.getOriginatingURI() != null) {
9780                            verification.putExtra(Intent.EXTRA_ORIGINATING_URI,
9781                                  verificationParams.getOriginatingURI());
9782                        }
9783                        if (verificationParams.getReferrer() != null) {
9784                            verification.putExtra(Intent.EXTRA_REFERRER,
9785                                  verificationParams.getReferrer());
9786                        }
9787                        if (verificationParams.getOriginatingUid() >= 0) {
9788                            verification.putExtra(Intent.EXTRA_ORIGINATING_UID,
9789                                  verificationParams.getOriginatingUid());
9790                        }
9791                        if (verificationParams.getInstallerUid() >= 0) {
9792                            verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID,
9793                                  verificationParams.getInstallerUid());
9794                        }
9795                    }
9796
9797                    final PackageVerificationState verificationState = new PackageVerificationState(
9798                            requiredUid, args);
9799
9800                    mPendingVerification.append(verificationId, verificationState);
9801
9802                    final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite,
9803                            receivers, verificationState);
9804
9805                    /*
9806                     * If any sufficient verifiers were listed in the package
9807                     * manifest, attempt to ask them.
9808                     */
9809                    if (sufficientVerifiers != null) {
9810                        final int N = sufficientVerifiers.size();
9811                        if (N == 0) {
9812                            Slog.i(TAG, "Additional verifiers required, but none installed.");
9813                            ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
9814                        } else {
9815                            for (int i = 0; i < N; i++) {
9816                                final ComponentName verifierComponent = sufficientVerifiers.get(i);
9817
9818                                final Intent sufficientIntent = new Intent(verification);
9819                                sufficientIntent.setComponent(verifierComponent);
9820
9821                                mContext.sendBroadcastAsUser(sufficientIntent, getUser());
9822                            }
9823                        }
9824                    }
9825
9826                    final ComponentName requiredVerifierComponent = matchComponentForVerifier(
9827                            mRequiredVerifierPackage, receivers);
9828                    if (ret == PackageManager.INSTALL_SUCCEEDED
9829                            && mRequiredVerifierPackage != null) {
9830                        /*
9831                         * Send the intent to the required verification agent,
9832                         * but only start the verification timeout after the
9833                         * target BroadcastReceivers have run.
9834                         */
9835                        verification.setComponent(requiredVerifierComponent);
9836                        mContext.sendOrderedBroadcastAsUser(verification, getUser(),
9837                                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
9838                                new BroadcastReceiver() {
9839                                    @Override
9840                                    public void onReceive(Context context, Intent intent) {
9841                                        final Message msg = mHandler
9842                                                .obtainMessage(CHECK_PENDING_VERIFICATION);
9843                                        msg.arg1 = verificationId;
9844                                        mHandler.sendMessageDelayed(msg, getVerificationTimeout());
9845                                    }
9846                                }, null, 0, null, null);
9847
9848                        /*
9849                         * We don't want the copy to proceed until verification
9850                         * succeeds, so null out this field.
9851                         */
9852                        mArgs = null;
9853                    }
9854                } else {
9855                    /*
9856                     * No package verification is enabled, so immediately start
9857                     * the remote call to initiate copy using temporary file.
9858                     */
9859                    ret = args.copyApk(mContainerService, true);
9860                }
9861            }
9862
9863            mRet = ret;
9864        }
9865
9866        @Override
9867        void handleReturnCode() {
9868            // If mArgs is null, then MCS couldn't be reached. When it
9869            // reconnects, it will try again to install. At that point, this
9870            // will succeed.
9871            if (mArgs != null) {
9872                processPendingInstall(mArgs, mRet);
9873            }
9874        }
9875
9876        @Override
9877        void handleServiceError() {
9878            mArgs = createInstallArgs(this);
9879            mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
9880        }
9881
9882        public boolean isForwardLocked() {
9883            return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
9884        }
9885    }
9886
9887    /**
9888     * Used during creation of InstallArgs
9889     *
9890     * @param installFlags package installation flags
9891     * @return true if should be installed on external storage
9892     */
9893    private static boolean installOnExternalAsec(int installFlags) {
9894        if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) {
9895            return false;
9896        }
9897        if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) {
9898            return true;
9899        }
9900        return false;
9901    }
9902
9903    /**
9904     * Used during creation of InstallArgs
9905     *
9906     * @param installFlags package installation flags
9907     * @return true if should be installed as forward locked
9908     */
9909    private static boolean installForwardLocked(int installFlags) {
9910        return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
9911    }
9912
9913    private InstallArgs createInstallArgs(InstallParams params) {
9914        if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) {
9915            return new AsecInstallArgs(params);
9916        } else {
9917            return new FileInstallArgs(params);
9918        }
9919    }
9920
9921    /**
9922     * Create args that describe an existing installed package. Typically used
9923     * when cleaning up old installs, or used as a move source.
9924     */
9925    private InstallArgs createInstallArgsForExisting(int installFlags, String codePath,
9926            String resourcePath, String nativeLibraryRoot, String[] instructionSets) {
9927        final boolean isInAsec;
9928        if (installOnExternalAsec(installFlags)) {
9929            /* Apps on SD card are always in ASEC containers. */
9930            isInAsec = true;
9931        } else if (installForwardLocked(installFlags)
9932                && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) {
9933            /*
9934             * Forward-locked apps are only in ASEC containers if they're the
9935             * new style
9936             */
9937            isInAsec = true;
9938        } else {
9939            isInAsec = false;
9940        }
9941
9942        if (isInAsec) {
9943            return new AsecInstallArgs(codePath, instructionSets,
9944                    installOnExternalAsec(installFlags), installForwardLocked(installFlags));
9945        } else {
9946            return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot,
9947                    instructionSets);
9948        }
9949    }
9950
9951    static abstract class InstallArgs {
9952        /** @see InstallParams#origin */
9953        final OriginInfo origin;
9954
9955        final IPackageInstallObserver2 observer;
9956        // Always refers to PackageManager flags only
9957        final int installFlags;
9958        final String installerPackageName;
9959        final String volumeUuid;
9960        final ManifestDigest manifestDigest;
9961        final UserHandle user;
9962        final String abiOverride;
9963
9964        // The list of instruction sets supported by this app. This is currently
9965        // only used during the rmdex() phase to clean up resources. We can get rid of this
9966        // if we move dex files under the common app path.
9967        /* nullable */ String[] instructionSets;
9968
9969        InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags,
9970                String installerPackageName, String volumeUuid, ManifestDigest manifestDigest,
9971                UserHandle user, String[] instructionSets, String abiOverride) {
9972            this.origin = origin;
9973            this.installFlags = installFlags;
9974            this.observer = observer;
9975            this.installerPackageName = installerPackageName;
9976            this.volumeUuid = volumeUuid;
9977            this.manifestDigest = manifestDigest;
9978            this.user = user;
9979            this.instructionSets = instructionSets;
9980            this.abiOverride = abiOverride;
9981        }
9982
9983        abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException;
9984        abstract int doPreInstall(int status);
9985
9986        /**
9987         * Rename package into final resting place. All paths on the given
9988         * scanned package should be updated to reflect the rename.
9989         */
9990        abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath);
9991        abstract int doPostInstall(int status, int uid);
9992
9993        /** @see PackageSettingBase#codePathString */
9994        abstract String getCodePath();
9995        /** @see PackageSettingBase#resourcePathString */
9996        abstract String getResourcePath();
9997        abstract String getLegacyNativeLibraryPath();
9998
9999        // Need installer lock especially for dex file removal.
10000        abstract void cleanUpResourcesLI();
10001        abstract boolean doPostDeleteLI(boolean delete);
10002        abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException;
10003
10004        /**
10005         * Called before the source arguments are copied. This is used mostly
10006         * for MoveParams when it needs to read the source file to put it in the
10007         * destination.
10008         */
10009        int doPreCopy() {
10010            return PackageManager.INSTALL_SUCCEEDED;
10011        }
10012
10013        /**
10014         * Called after the source arguments are copied. This is used mostly for
10015         * MoveParams when it needs to read the source file to put it in the
10016         * destination.
10017         *
10018         * @return
10019         */
10020        int doPostCopy(int uid) {
10021            return PackageManager.INSTALL_SUCCEEDED;
10022        }
10023
10024        protected boolean isFwdLocked() {
10025            return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
10026        }
10027
10028        protected boolean isExternalAsec() {
10029            return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
10030        }
10031
10032        UserHandle getUser() {
10033            return user;
10034        }
10035    }
10036
10037    private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) {
10038        if (!allCodePaths.isEmpty()) {
10039            if (instructionSets == null) {
10040                throw new IllegalStateException("instructionSet == null");
10041            }
10042            String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets);
10043            for (String codePath : allCodePaths) {
10044                for (String dexCodeInstructionSet : dexCodeInstructionSets) {
10045                    int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet);
10046                    if (retCode < 0) {
10047                        Slog.w(TAG, "Couldn't remove dex file for package: "
10048                                + " at location " + codePath + ", retcode=" + retCode);
10049                        // we don't consider this to be a failure of the core package deletion
10050                    }
10051                }
10052            }
10053        }
10054    }
10055
10056    /**
10057     * Logic to handle installation of non-ASEC applications, including copying
10058     * and renaming logic.
10059     */
10060    class FileInstallArgs extends InstallArgs {
10061        private File codeFile;
10062        private File resourceFile;
10063        private File legacyNativeLibraryPath;
10064
10065        // Example topology:
10066        // /data/app/com.example/base.apk
10067        // /data/app/com.example/split_foo.apk
10068        // /data/app/com.example/lib/arm/libfoo.so
10069        // /data/app/com.example/lib/arm64/libfoo.so
10070        // /data/app/com.example/dalvik/arm/base.apk@classes.dex
10071
10072        /** New install */
10073        FileInstallArgs(InstallParams params) {
10074            super(params.origin, params.observer, params.installFlags,
10075                    params.installerPackageName, params.volumeUuid, params.getManifestDigest(),
10076                    params.getUser(), null /* instruction sets */, params.packageAbiOverride);
10077            if (isFwdLocked()) {
10078                throw new IllegalArgumentException("Forward locking only supported in ASEC");
10079            }
10080        }
10081
10082        /** Existing install */
10083        FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath,
10084                String[] instructionSets) {
10085            super(OriginInfo.fromNothing(), null, 0, null, null, null, null, instructionSets, null);
10086            this.codeFile = (codePath != null) ? new File(codePath) : null;
10087            this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null;
10088            this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ?
10089                    new File(legacyNativeLibraryPath) : null;
10090        }
10091
10092        boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException {
10093            final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(),
10094                    isFwdLocked(), abiOverride);
10095
10096            final StorageManager storage = StorageManager.from(mContext);
10097            return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory()));
10098        }
10099
10100        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
10101            if (origin.staged) {
10102                Slog.d(TAG, origin.file + " already staged; skipping copy");
10103                codeFile = origin.file;
10104                resourceFile = origin.file;
10105                return PackageManager.INSTALL_SUCCEEDED;
10106            }
10107
10108            try {
10109                final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid);
10110                codeFile = tempDir;
10111                resourceFile = tempDir;
10112            } catch (IOException e) {
10113                Slog.w(TAG, "Failed to create copy file: " + e);
10114                return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
10115            }
10116
10117            final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() {
10118                @Override
10119                public ParcelFileDescriptor open(String name, int mode) throws RemoteException {
10120                    if (!FileUtils.isValidExtFilename(name)) {
10121                        throw new IllegalArgumentException("Invalid filename: " + name);
10122                    }
10123                    try {
10124                        final File file = new File(codeFile, name);
10125                        final FileDescriptor fd = Os.open(file.getAbsolutePath(),
10126                                O_RDWR | O_CREAT, 0644);
10127                        Os.chmod(file.getAbsolutePath(), 0644);
10128                        return new ParcelFileDescriptor(fd);
10129                    } catch (ErrnoException e) {
10130                        throw new RemoteException("Failed to open: " + e.getMessage());
10131                    }
10132                }
10133            };
10134
10135            int ret = PackageManager.INSTALL_SUCCEEDED;
10136            ret = imcs.copyPackage(origin.file.getAbsolutePath(), target);
10137            if (ret != PackageManager.INSTALL_SUCCEEDED) {
10138                Slog.e(TAG, "Failed to copy package");
10139                return ret;
10140            }
10141
10142            final File libraryRoot = new File(codeFile, LIB_DIR_NAME);
10143            NativeLibraryHelper.Handle handle = null;
10144            try {
10145                handle = NativeLibraryHelper.Handle.create(codeFile);
10146                ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot,
10147                        abiOverride);
10148            } catch (IOException e) {
10149                Slog.e(TAG, "Copying native libraries failed", e);
10150                ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
10151            } finally {
10152                IoUtils.closeQuietly(handle);
10153            }
10154
10155            return ret;
10156        }
10157
10158        int doPreInstall(int status) {
10159            if (status != PackageManager.INSTALL_SUCCEEDED) {
10160                cleanUp();
10161            }
10162            return status;
10163        }
10164
10165        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
10166            if (status != PackageManager.INSTALL_SUCCEEDED) {
10167                cleanUp();
10168                return false;
10169            } else {
10170                final File targetDir = codeFile.getParentFile();
10171                final File beforeCodeFile = codeFile;
10172                final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName);
10173
10174                Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile);
10175                try {
10176                    Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath());
10177                } catch (ErrnoException e) {
10178                    Slog.d(TAG, "Failed to rename", e);
10179                    return false;
10180                }
10181
10182                if (!SELinux.restoreconRecursive(afterCodeFile)) {
10183                    Slog.d(TAG, "Failed to restorecon");
10184                    return false;
10185                }
10186
10187                // Reflect the rename internally
10188                codeFile = afterCodeFile;
10189                resourceFile = afterCodeFile;
10190
10191                // Reflect the rename in scanned details
10192                pkg.codePath = afterCodeFile.getAbsolutePath();
10193                pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
10194                        pkg.baseCodePath);
10195                pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
10196                        pkg.splitCodePaths);
10197
10198                // Reflect the rename in app info
10199                pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
10200                pkg.applicationInfo.setCodePath(pkg.codePath);
10201                pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
10202                pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
10203                pkg.applicationInfo.setResourcePath(pkg.codePath);
10204                pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
10205                pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
10206
10207                return true;
10208            }
10209        }
10210
10211        int doPostInstall(int status, int uid) {
10212            if (status != PackageManager.INSTALL_SUCCEEDED) {
10213                cleanUp();
10214            }
10215            return status;
10216        }
10217
10218        @Override
10219        String getCodePath() {
10220            return (codeFile != null) ? codeFile.getAbsolutePath() : null;
10221        }
10222
10223        @Override
10224        String getResourcePath() {
10225            return (resourceFile != null) ? resourceFile.getAbsolutePath() : null;
10226        }
10227
10228        @Override
10229        String getLegacyNativeLibraryPath() {
10230            return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null;
10231        }
10232
10233        private boolean cleanUp() {
10234            if (codeFile == null || !codeFile.exists()) {
10235                return false;
10236            }
10237
10238            if (codeFile.isDirectory()) {
10239                mInstaller.rmPackageDir(codeFile.getAbsolutePath());
10240            } else {
10241                codeFile.delete();
10242            }
10243
10244            if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) {
10245                resourceFile.delete();
10246            }
10247
10248            if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) {
10249                if (!FileUtils.deleteContents(legacyNativeLibraryPath)) {
10250                    Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath);
10251                }
10252                legacyNativeLibraryPath.delete();
10253            }
10254
10255            return true;
10256        }
10257
10258        void cleanUpResourcesLI() {
10259            // Try enumerating all code paths before deleting
10260            List<String> allCodePaths = Collections.EMPTY_LIST;
10261            if (codeFile != null && codeFile.exists()) {
10262                try {
10263                    final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0);
10264                    allCodePaths = pkg.getAllCodePaths();
10265                } catch (PackageParserException e) {
10266                    // Ignored; we tried our best
10267                }
10268            }
10269
10270            cleanUp();
10271            removeDexFiles(allCodePaths, instructionSets);
10272        }
10273
10274        boolean doPostDeleteLI(boolean delete) {
10275            // XXX err, shouldn't we respect the delete flag?
10276            cleanUpResourcesLI();
10277            return true;
10278        }
10279    }
10280
10281    private boolean isAsecExternal(String cid) {
10282        final String asecPath = PackageHelper.getSdFilesystem(cid);
10283        return !asecPath.startsWith(mAsecInternalPath);
10284    }
10285
10286    private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws
10287            PackageManagerException {
10288        if (copyRet < 0) {
10289            if (copyRet != PackageManager.NO_NATIVE_LIBRARIES &&
10290                    copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) {
10291                throw new PackageManagerException(copyRet, message);
10292            }
10293        }
10294    }
10295
10296    /**
10297     * Extract the MountService "container ID" from the full code path of an
10298     * .apk.
10299     */
10300    static String cidFromCodePath(String fullCodePath) {
10301        int eidx = fullCodePath.lastIndexOf("/");
10302        String subStr1 = fullCodePath.substring(0, eidx);
10303        int sidx = subStr1.lastIndexOf("/");
10304        return subStr1.substring(sidx+1, eidx);
10305    }
10306
10307    /**
10308     * Logic to handle installation of ASEC applications, including copying and
10309     * renaming logic.
10310     */
10311    class AsecInstallArgs extends InstallArgs {
10312        static final String RES_FILE_NAME = "pkg.apk";
10313        static final String PUBLIC_RES_FILE_NAME = "res.zip";
10314
10315        String cid;
10316        String packagePath;
10317        String resourcePath;
10318        String legacyNativeLibraryDir;
10319
10320        /** New install */
10321        AsecInstallArgs(InstallParams params) {
10322            super(params.origin, params.observer, params.installFlags,
10323                    params.installerPackageName, params.volumeUuid, params.getManifestDigest(),
10324                    params.getUser(), null /* instruction sets */, params.packageAbiOverride);
10325        }
10326
10327        /** Existing install */
10328        AsecInstallArgs(String fullCodePath, String[] instructionSets,
10329                        boolean isExternal, boolean isForwardLocked) {
10330            super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0)
10331                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null,
10332                    instructionSets, null);
10333            // Hackily pretend we're still looking at a full code path
10334            if (!fullCodePath.endsWith(RES_FILE_NAME)) {
10335                fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath();
10336            }
10337
10338            // Extract cid from fullCodePath
10339            int eidx = fullCodePath.lastIndexOf("/");
10340            String subStr1 = fullCodePath.substring(0, eidx);
10341            int sidx = subStr1.lastIndexOf("/");
10342            cid = subStr1.substring(sidx+1, eidx);
10343            setMountPath(subStr1);
10344        }
10345
10346        AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) {
10347            super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0)
10348                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null,
10349                    instructionSets, null);
10350            this.cid = cid;
10351            setMountPath(PackageHelper.getSdDir(cid));
10352        }
10353
10354        void createCopyFile() {
10355            cid = mInstallerService.allocateExternalStageCidLegacy();
10356        }
10357
10358        boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException {
10359            final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(),
10360                    abiOverride);
10361
10362            final File target;
10363            if (isExternalAsec()) {
10364                target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory();
10365            } else {
10366                target = Environment.getDataDirectory();
10367            }
10368
10369            final StorageManager storage = StorageManager.from(mContext);
10370            return (sizeBytes <= storage.getStorageBytesUntilLow(target));
10371        }
10372
10373        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
10374            if (origin.staged) {
10375                Slog.d(TAG, origin.cid + " already staged; skipping copy");
10376                cid = origin.cid;
10377                setMountPath(PackageHelper.getSdDir(cid));
10378                return PackageManager.INSTALL_SUCCEEDED;
10379            }
10380
10381            if (temp) {
10382                createCopyFile();
10383            } else {
10384                /*
10385                 * Pre-emptively destroy the container since it's destroyed if
10386                 * copying fails due to it existing anyway.
10387                 */
10388                PackageHelper.destroySdDir(cid);
10389            }
10390
10391            final String newMountPath = imcs.copyPackageToContainer(
10392                    origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(),
10393                    isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */));
10394
10395            if (newMountPath != null) {
10396                setMountPath(newMountPath);
10397                return PackageManager.INSTALL_SUCCEEDED;
10398            } else {
10399                return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
10400            }
10401        }
10402
10403        @Override
10404        String getCodePath() {
10405            return packagePath;
10406        }
10407
10408        @Override
10409        String getResourcePath() {
10410            return resourcePath;
10411        }
10412
10413        @Override
10414        String getLegacyNativeLibraryPath() {
10415            return legacyNativeLibraryDir;
10416        }
10417
10418        int doPreInstall(int status) {
10419            if (status != PackageManager.INSTALL_SUCCEEDED) {
10420                // Destroy container
10421                PackageHelper.destroySdDir(cid);
10422            } else {
10423                boolean mounted = PackageHelper.isContainerMounted(cid);
10424                if (!mounted) {
10425                    String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(),
10426                            Process.SYSTEM_UID);
10427                    if (newMountPath != null) {
10428                        setMountPath(newMountPath);
10429                    } else {
10430                        return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
10431                    }
10432                }
10433            }
10434            return status;
10435        }
10436
10437        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
10438            String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME);
10439            String newMountPath = null;
10440            if (PackageHelper.isContainerMounted(cid)) {
10441                // Unmount the container
10442                if (!PackageHelper.unMountSdDir(cid)) {
10443                    Slog.i(TAG, "Failed to unmount " + cid + " before renaming");
10444                    return false;
10445                }
10446            }
10447            if (!PackageHelper.renameSdDir(cid, newCacheId)) {
10448                Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId +
10449                        " which might be stale. Will try to clean up.");
10450                // Clean up the stale container and proceed to recreate.
10451                if (!PackageHelper.destroySdDir(newCacheId)) {
10452                    Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId);
10453                    return false;
10454                }
10455                // Successfully cleaned up stale container. Try to rename again.
10456                if (!PackageHelper.renameSdDir(cid, newCacheId)) {
10457                    Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId
10458                            + " inspite of cleaning it up.");
10459                    return false;
10460                }
10461            }
10462            if (!PackageHelper.isContainerMounted(newCacheId)) {
10463                Slog.w(TAG, "Mounting container " + newCacheId);
10464                newMountPath = PackageHelper.mountSdDir(newCacheId,
10465                        getEncryptKey(), Process.SYSTEM_UID);
10466            } else {
10467                newMountPath = PackageHelper.getSdDir(newCacheId);
10468            }
10469            if (newMountPath == null) {
10470                Slog.w(TAG, "Failed to get cache path for  " + newCacheId);
10471                return false;
10472            }
10473            Log.i(TAG, "Succesfully renamed " + cid +
10474                    " to " + newCacheId +
10475                    " at new path: " + newMountPath);
10476            cid = newCacheId;
10477
10478            final File beforeCodeFile = new File(packagePath);
10479            setMountPath(newMountPath);
10480            final File afterCodeFile = new File(packagePath);
10481
10482            // Reflect the rename in scanned details
10483            pkg.codePath = afterCodeFile.getAbsolutePath();
10484            pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
10485                    pkg.baseCodePath);
10486            pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
10487                    pkg.splitCodePaths);
10488
10489            // Reflect the rename in app info
10490            pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
10491            pkg.applicationInfo.setCodePath(pkg.codePath);
10492            pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
10493            pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
10494            pkg.applicationInfo.setResourcePath(pkg.codePath);
10495            pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
10496            pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
10497
10498            return true;
10499        }
10500
10501        private void setMountPath(String mountPath) {
10502            final File mountFile = new File(mountPath);
10503
10504            final File monolithicFile = new File(mountFile, RES_FILE_NAME);
10505            if (monolithicFile.exists()) {
10506                packagePath = monolithicFile.getAbsolutePath();
10507                if (isFwdLocked()) {
10508                    resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath();
10509                } else {
10510                    resourcePath = packagePath;
10511                }
10512            } else {
10513                packagePath = mountFile.getAbsolutePath();
10514                resourcePath = packagePath;
10515            }
10516
10517            legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath();
10518        }
10519
10520        int doPostInstall(int status, int uid) {
10521            if (status != PackageManager.INSTALL_SUCCEEDED) {
10522                cleanUp();
10523            } else {
10524                final int groupOwner;
10525                final String protectedFile;
10526                if (isFwdLocked()) {
10527                    groupOwner = UserHandle.getSharedAppGid(uid);
10528                    protectedFile = RES_FILE_NAME;
10529                } else {
10530                    groupOwner = -1;
10531                    protectedFile = null;
10532                }
10533
10534                if (uid < Process.FIRST_APPLICATION_UID
10535                        || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) {
10536                    Slog.e(TAG, "Failed to finalize " + cid);
10537                    PackageHelper.destroySdDir(cid);
10538                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
10539                }
10540
10541                boolean mounted = PackageHelper.isContainerMounted(cid);
10542                if (!mounted) {
10543                    PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid());
10544                }
10545            }
10546            return status;
10547        }
10548
10549        private void cleanUp() {
10550            if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp");
10551
10552            // Destroy secure container
10553            PackageHelper.destroySdDir(cid);
10554        }
10555
10556        private List<String> getAllCodePaths() {
10557            final File codeFile = new File(getCodePath());
10558            if (codeFile != null && codeFile.exists()) {
10559                try {
10560                    final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0);
10561                    return pkg.getAllCodePaths();
10562                } catch (PackageParserException e) {
10563                    // Ignored; we tried our best
10564                }
10565            }
10566            return Collections.EMPTY_LIST;
10567        }
10568
10569        void cleanUpResourcesLI() {
10570            // Enumerate all code paths before deleting
10571            cleanUpResourcesLI(getAllCodePaths());
10572        }
10573
10574        private void cleanUpResourcesLI(List<String> allCodePaths) {
10575            cleanUp();
10576            removeDexFiles(allCodePaths, instructionSets);
10577        }
10578
10579
10580
10581        String getPackageName() {
10582            return getAsecPackageName(cid);
10583        }
10584
10585        boolean doPostDeleteLI(boolean delete) {
10586            if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete);
10587            final List<String> allCodePaths = getAllCodePaths();
10588            boolean mounted = PackageHelper.isContainerMounted(cid);
10589            if (mounted) {
10590                // Unmount first
10591                if (PackageHelper.unMountSdDir(cid)) {
10592                    mounted = false;
10593                }
10594            }
10595            if (!mounted && delete) {
10596                cleanUpResourcesLI(allCodePaths);
10597            }
10598            return !mounted;
10599        }
10600
10601        @Override
10602        int doPreCopy() {
10603            if (isFwdLocked()) {
10604                if (!PackageHelper.fixSdPermissions(cid,
10605                        getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) {
10606                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
10607                }
10608            }
10609
10610            return PackageManager.INSTALL_SUCCEEDED;
10611        }
10612
10613        @Override
10614        int doPostCopy(int uid) {
10615            if (isFwdLocked()) {
10616                if (uid < Process.FIRST_APPLICATION_UID
10617                        || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid),
10618                                RES_FILE_NAME)) {
10619                    Slog.e(TAG, "Failed to finalize " + cid);
10620                    PackageHelper.destroySdDir(cid);
10621                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
10622                }
10623            }
10624
10625            return PackageManager.INSTALL_SUCCEEDED;
10626        }
10627    }
10628
10629    static String getAsecPackageName(String packageCid) {
10630        int idx = packageCid.lastIndexOf("-");
10631        if (idx == -1) {
10632            return packageCid;
10633        }
10634        return packageCid.substring(0, idx);
10635    }
10636
10637    // Utility method used to create code paths based on package name and available index.
10638    private static String getNextCodePath(String oldCodePath, String prefix, String suffix) {
10639        String idxStr = "";
10640        int idx = 1;
10641        // Fall back to default value of idx=1 if prefix is not
10642        // part of oldCodePath
10643        if (oldCodePath != null) {
10644            String subStr = oldCodePath;
10645            // Drop the suffix right away
10646            if (suffix != null && subStr.endsWith(suffix)) {
10647                subStr = subStr.substring(0, subStr.length() - suffix.length());
10648            }
10649            // If oldCodePath already contains prefix find out the
10650            // ending index to either increment or decrement.
10651            int sidx = subStr.lastIndexOf(prefix);
10652            if (sidx != -1) {
10653                subStr = subStr.substring(sidx + prefix.length());
10654                if (subStr != null) {
10655                    if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) {
10656                        subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length());
10657                    }
10658                    try {
10659                        idx = Integer.parseInt(subStr);
10660                        if (idx <= 1) {
10661                            idx++;
10662                        } else {
10663                            idx--;
10664                        }
10665                    } catch(NumberFormatException e) {
10666                    }
10667                }
10668            }
10669        }
10670        idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx);
10671        return prefix + idxStr;
10672    }
10673
10674    private File getNextCodePath(File targetDir, String packageName) {
10675        int suffix = 1;
10676        File result;
10677        do {
10678            result = new File(targetDir, packageName + "-" + suffix);
10679            suffix++;
10680        } while (result.exists());
10681        return result;
10682    }
10683
10684    // Utility method that returns the relative package path with respect
10685    // to the installation directory. Like say for /data/data/com.test-1.apk
10686    // string com.test-1 is returned.
10687    static String deriveCodePathName(String codePath) {
10688        if (codePath == null) {
10689            return null;
10690        }
10691        final File codeFile = new File(codePath);
10692        final String name = codeFile.getName();
10693        if (codeFile.isDirectory()) {
10694            return name;
10695        } else if (name.endsWith(".apk") || name.endsWith(".tmp")) {
10696            final int lastDot = name.lastIndexOf('.');
10697            return name.substring(0, lastDot);
10698        } else {
10699            Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK");
10700            return null;
10701        }
10702    }
10703
10704    class PackageInstalledInfo {
10705        String name;
10706        int uid;
10707        // The set of users that originally had this package installed.
10708        int[] origUsers;
10709        // The set of users that now have this package installed.
10710        int[] newUsers;
10711        PackageParser.Package pkg;
10712        int returnCode;
10713        String returnMsg;
10714        PackageRemovedInfo removedInfo;
10715
10716        public void setError(int code, String msg) {
10717            returnCode = code;
10718            returnMsg = msg;
10719            Slog.w(TAG, msg);
10720        }
10721
10722        public void setError(String msg, PackageParserException e) {
10723            returnCode = e.error;
10724            returnMsg = ExceptionUtils.getCompleteMessage(msg, e);
10725            Slog.w(TAG, msg, e);
10726        }
10727
10728        public void setError(String msg, PackageManagerException e) {
10729            returnCode = e.error;
10730            returnMsg = ExceptionUtils.getCompleteMessage(msg, e);
10731            Slog.w(TAG, msg, e);
10732        }
10733
10734        // In some error cases we want to convey more info back to the observer
10735        String origPackage;
10736        String origPermission;
10737    }
10738
10739    /*
10740     * Install a non-existing package.
10741     */
10742    private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags,
10743            UserHandle user, String installerPackageName, String volumeUuid,
10744            PackageInstalledInfo res) {
10745        // Remember this for later, in case we need to rollback this install
10746        String pkgName = pkg.packageName;
10747
10748        if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg);
10749        final boolean dataDirExists = PackageManager.getDataDirForUser(volumeUuid, pkgName,
10750                UserHandle.USER_OWNER).exists();
10751        synchronized(mPackages) {
10752            if (mSettings.mRenamedPackages.containsKey(pkgName)) {
10753                // A package with the same name is already installed, though
10754                // it has been renamed to an older name.  The package we
10755                // are trying to install should be installed as an update to
10756                // the existing one, but that has not been requested, so bail.
10757                res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
10758                        + " without first uninstalling package running as "
10759                        + mSettings.mRenamedPackages.get(pkgName));
10760                return;
10761            }
10762            if (mPackages.containsKey(pkgName)) {
10763                // Don't allow installation over an existing package with the same name.
10764                res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
10765                        + " without first uninstalling.");
10766                return;
10767            }
10768        }
10769
10770        try {
10771            PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags,
10772                    System.currentTimeMillis(), user);
10773
10774            updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user);
10775            // delete the partially installed application. the data directory will have to be
10776            // restored if it was already existing
10777            if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
10778                // remove package from internal structures.  Note that we want deletePackageX to
10779                // delete the package data and cache directories that it created in
10780                // scanPackageLocked, unless those directories existed before we even tried to
10781                // install.
10782                deletePackageLI(pkgName, UserHandle.ALL, false, null, null,
10783                        dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0,
10784                                res.removedInfo, true);
10785            }
10786
10787        } catch (PackageManagerException e) {
10788            res.setError("Package couldn't be installed in " + pkg.codePath, e);
10789        }
10790    }
10791
10792    private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) {
10793        // Upgrade keysets are being used.  Determine if new package has a superset of the
10794        // required keys.
10795        long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets();
10796        KeySetManagerService ksms = mSettings.mKeySetManagerService;
10797        for (int i = 0; i < upgradeKeySets.length; i++) {
10798            Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]);
10799            if (newPkg.mSigningKeys.containsAll(upgradeSet)) {
10800                return true;
10801            }
10802        }
10803        return false;
10804    }
10805
10806    private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags,
10807            UserHandle user, String installerPackageName, String volumeUuid,
10808            PackageInstalledInfo res) {
10809        final PackageParser.Package oldPackage;
10810        final String pkgName = pkg.packageName;
10811        final int[] allUsers;
10812        final boolean[] perUserInstalled;
10813        final boolean weFroze;
10814
10815        // First find the old package info and check signatures
10816        synchronized(mPackages) {
10817            oldPackage = mPackages.get(pkgName);
10818            if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage);
10819            final PackageSetting ps = mSettings.mPackages.get(pkgName);
10820            if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) {
10821                // default to original signature matching
10822                if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures)
10823                    != PackageManager.SIGNATURE_MATCH) {
10824                    res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
10825                            "New package has a different signature: " + pkgName);
10826                    return;
10827                }
10828            } else {
10829                if(!checkUpgradeKeySetLP(ps, pkg)) {
10830                    res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
10831                            "New package not signed by keys specified by upgrade-keysets: "
10832                            + pkgName);
10833                    return;
10834                }
10835            }
10836
10837            // In case of rollback, remember per-user/profile install state
10838            allUsers = sUserManager.getUserIds();
10839            perUserInstalled = new boolean[allUsers.length];
10840            for (int i = 0; i < allUsers.length; i++) {
10841                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
10842            }
10843
10844            // Mark the app as frozen to prevent launching during the upgrade
10845            // process, and then kill all running instances
10846            if (!ps.frozen) {
10847                ps.frozen = true;
10848                weFroze = true;
10849            } else {
10850                weFroze = false;
10851            }
10852        }
10853
10854        // Now that we're guarded by frozen state, kill app during upgrade
10855        killApplication(pkgName, oldPackage.applicationInfo.uid, "replace pkg");
10856
10857        try {
10858            boolean sysPkg = (isSystemApp(oldPackage));
10859            if (sysPkg) {
10860                replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags,
10861                        user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res);
10862            } else {
10863                replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags,
10864                        user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res);
10865            }
10866        } finally {
10867            // Regardless of success or failure of upgrade steps above, always
10868            // unfreeze the package if we froze it
10869            if (weFroze) {
10870                unfreezePackage(pkgName);
10871            }
10872        }
10873    }
10874
10875    private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage,
10876            PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user,
10877            int[] allUsers, boolean[] perUserInstalled, String installerPackageName,
10878            String volumeUuid, PackageInstalledInfo res) {
10879        String pkgName = deletedPackage.packageName;
10880        boolean deletedPkg = true;
10881        boolean updatedSettings = false;
10882
10883        if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old="
10884                + deletedPackage);
10885        long origUpdateTime;
10886        if (pkg.mExtras != null) {
10887            origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime;
10888        } else {
10889            origUpdateTime = 0;
10890        }
10891
10892        // First delete the existing package while retaining the data directory
10893        if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA,
10894                res.removedInfo, true)) {
10895            // If the existing package wasn't successfully deleted
10896            res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI");
10897            deletedPkg = false;
10898        } else {
10899            // Successfully deleted the old package; proceed with replace.
10900
10901            // If deleted package lived in a container, give users a chance to
10902            // relinquish resources before killing.
10903            if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) {
10904                if (DEBUG_INSTALL) {
10905                    Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE");
10906                }
10907                final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid };
10908                final ArrayList<String> pkgList = new ArrayList<String>(1);
10909                pkgList.add(deletedPackage.applicationInfo.packageName);
10910                sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null);
10911            }
10912
10913            deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName);
10914            try {
10915                final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags,
10916                        scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user);
10917                updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers,
10918                        perUserInstalled, res, user);
10919                updatedSettings = true;
10920            } catch (PackageManagerException e) {
10921                res.setError("Package couldn't be installed in " + pkg.codePath, e);
10922            }
10923        }
10924
10925        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
10926            // remove package from internal structures.  Note that we want deletePackageX to
10927            // delete the package data and cache directories that it created in
10928            // scanPackageLocked, unless those directories existed before we even tried to
10929            // install.
10930            if(updatedSettings) {
10931                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName);
10932                deletePackageLI(
10933                        pkgName, null, true, allUsers, perUserInstalled,
10934                        PackageManager.DELETE_KEEP_DATA,
10935                                res.removedInfo, true);
10936            }
10937            // Since we failed to install the new package we need to restore the old
10938            // package that we deleted.
10939            if (deletedPkg) {
10940                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage);
10941                File restoreFile = new File(deletedPackage.codePath);
10942                // Parse old package
10943                boolean oldExternal = isExternal(deletedPackage);
10944                int oldParseFlags  = mDefParseFlags | PackageParser.PARSE_CHATTY |
10945                        (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) |
10946                        (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0);
10947                int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME;
10948                try {
10949                    scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null);
10950                } catch (PackageManagerException e) {
10951                    Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: "
10952                            + e.getMessage());
10953                    return;
10954                }
10955                // Restore of old package succeeded. Update permissions.
10956                // writer
10957                synchronized (mPackages) {
10958                    updatePermissionsLPw(deletedPackage.packageName, deletedPackage,
10959                            UPDATE_PERMISSIONS_ALL);
10960                    // can downgrade to reader
10961                    mSettings.writeLPr();
10962                }
10963                Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade");
10964            }
10965        }
10966    }
10967
10968    private void replaceSystemPackageLI(PackageParser.Package deletedPackage,
10969            PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user,
10970            int[] allUsers, boolean[] perUserInstalled, String installerPackageName,
10971            String volumeUuid, PackageInstalledInfo res) {
10972        if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg
10973                + ", old=" + deletedPackage);
10974        boolean disabledSystem = false;
10975        boolean updatedSettings = false;
10976        parseFlags |= PackageParser.PARSE_IS_SYSTEM;
10977        if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED)
10978                != 0) {
10979            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
10980        }
10981        String packageName = deletedPackage.packageName;
10982        if (packageName == null) {
10983            res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
10984                    "Attempt to delete null packageName.");
10985            return;
10986        }
10987        PackageParser.Package oldPkg;
10988        PackageSetting oldPkgSetting;
10989        // reader
10990        synchronized (mPackages) {
10991            oldPkg = mPackages.get(packageName);
10992            oldPkgSetting = mSettings.mPackages.get(packageName);
10993            if((oldPkg == null) || (oldPkg.applicationInfo == null) ||
10994                    (oldPkgSetting == null)) {
10995                res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
10996                        "Couldn't find package:" + packageName + " information");
10997                return;
10998            }
10999        }
11000
11001        res.removedInfo.uid = oldPkg.applicationInfo.uid;
11002        res.removedInfo.removedPackage = packageName;
11003        // Remove existing system package
11004        removePackageLI(oldPkgSetting, true);
11005        // writer
11006        synchronized (mPackages) {
11007            disabledSystem = mSettings.disableSystemPackageLPw(packageName);
11008            if (!disabledSystem && deletedPackage != null) {
11009                // We didn't need to disable the .apk as a current system package,
11010                // which means we are replacing another update that is already
11011                // installed.  We need to make sure to delete the older one's .apk.
11012                res.removedInfo.args = createInstallArgsForExisting(0,
11013                        deletedPackage.applicationInfo.getCodePath(),
11014                        deletedPackage.applicationInfo.getResourcePath(),
11015                        deletedPackage.applicationInfo.nativeLibraryRootDir,
11016                        getAppDexInstructionSets(deletedPackage.applicationInfo));
11017            } else {
11018                res.removedInfo.args = null;
11019            }
11020        }
11021
11022        // Successfully disabled the old package. Now proceed with re-installation
11023        deleteCodeCacheDirsLI(pkg.volumeUuid, packageName);
11024
11025        res.returnCode = PackageManager.INSTALL_SUCCEEDED;
11026        pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
11027
11028        PackageParser.Package newPackage = null;
11029        try {
11030            newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user);
11031            if (newPackage.mExtras != null) {
11032                final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras;
11033                newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime;
11034                newPkgSetting.lastUpdateTime = System.currentTimeMillis();
11035
11036                // is the update attempting to change shared user? that isn't going to work...
11037                if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) {
11038                    res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
11039                            "Forbidding shared user change from " + oldPkgSetting.sharedUser
11040                            + " to " + newPkgSetting.sharedUser);
11041                    updatedSettings = true;
11042                }
11043            }
11044
11045            if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
11046                updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers,
11047                        perUserInstalled, res, user);
11048                updatedSettings = true;
11049            }
11050
11051        } catch (PackageManagerException e) {
11052            res.setError("Package couldn't be installed in " + pkg.codePath, e);
11053        }
11054
11055        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
11056            // Re installation failed. Restore old information
11057            // Remove new pkg information
11058            if (newPackage != null) {
11059                removeInstalledPackageLI(newPackage, true);
11060            }
11061            // Add back the old system package
11062            try {
11063                scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user);
11064            } catch (PackageManagerException e) {
11065                Slog.e(TAG, "Failed to restore original package: " + e.getMessage());
11066            }
11067            // Restore the old system information in Settings
11068            synchronized (mPackages) {
11069                if (disabledSystem) {
11070                    mSettings.enableSystemPackageLPw(packageName);
11071                }
11072                if (updatedSettings) {
11073                    mSettings.setInstallerPackageName(packageName,
11074                            oldPkgSetting.installerPackageName);
11075                }
11076                mSettings.writeLPr();
11077            }
11078        }
11079    }
11080
11081    private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName,
11082            String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res,
11083            UserHandle user) {
11084        String pkgName = newPackage.packageName;
11085        synchronized (mPackages) {
11086            //write settings. the installStatus will be incomplete at this stage.
11087            //note that the new package setting would have already been
11088            //added to mPackages. It hasn't been persisted yet.
11089            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE);
11090            mSettings.writeLPr();
11091        }
11092
11093        if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath);
11094
11095        synchronized (mPackages) {
11096            updatePermissionsLPw(newPackage.packageName, newPackage,
11097                    UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0
11098                            ? UPDATE_PERMISSIONS_ALL : 0));
11099            // For system-bundled packages, we assume that installing an upgraded version
11100            // of the package implies that the user actually wants to run that new code,
11101            // so we enable the package.
11102            PackageSetting ps = mSettings.mPackages.get(pkgName);
11103            if (ps != null) {
11104                if (isSystemApp(newPackage)) {
11105                    // NB: implicit assumption that system package upgrades apply to all users
11106                    if (DEBUG_INSTALL) {
11107                        Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName);
11108                    }
11109                    if (res.origUsers != null) {
11110                        for (int userHandle : res.origUsers) {
11111                            ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT,
11112                                    userHandle, installerPackageName);
11113                        }
11114                    }
11115                    // Also convey the prior install/uninstall state
11116                    if (allUsers != null && perUserInstalled != null) {
11117                        for (int i = 0; i < allUsers.length; i++) {
11118                            if (DEBUG_INSTALL) {
11119                                Slog.d(TAG, "    user " + allUsers[i]
11120                                        + " => " + perUserInstalled[i]);
11121                            }
11122                            ps.setInstalled(perUserInstalled[i], allUsers[i]);
11123                        }
11124                        // these install state changes will be persisted in the
11125                        // upcoming call to mSettings.writeLPr().
11126                    }
11127                }
11128                // It's implied that when a user requests installation, they want the app to be
11129                // installed and enabled.
11130                int userId = user.getIdentifier();
11131                if (userId != UserHandle.USER_ALL) {
11132                    ps.setInstalled(true, userId);
11133                    ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName);
11134                }
11135            }
11136            res.name = pkgName;
11137            res.uid = newPackage.applicationInfo.uid;
11138            res.pkg = newPackage;
11139            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE);
11140            mSettings.setInstallerPackageName(pkgName, installerPackageName);
11141            res.returnCode = PackageManager.INSTALL_SUCCEEDED;
11142            //to update install status
11143            mSettings.writeLPr();
11144        }
11145    }
11146
11147    private void installPackageLI(InstallArgs args, PackageInstalledInfo res) {
11148        final int installFlags = args.installFlags;
11149        final String installerPackageName = args.installerPackageName;
11150        final String volumeUuid = args.volumeUuid;
11151        final File tmpPackageFile = new File(args.getCodePath());
11152        final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0);
11153        final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0)
11154                || (args.volumeUuid != null));
11155        boolean replace = false;
11156        int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE;
11157        // Result object to be returned
11158        res.returnCode = PackageManager.INSTALL_SUCCEEDED;
11159
11160        if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile);
11161        // Retrieve PackageSettings and parse package
11162        final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY
11163                | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0)
11164                | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0);
11165        PackageParser pp = new PackageParser();
11166        pp.setSeparateProcesses(mSeparateProcesses);
11167        pp.setDisplayMetrics(mMetrics);
11168
11169        final PackageParser.Package pkg;
11170        try {
11171            pkg = pp.parsePackage(tmpPackageFile, parseFlags);
11172        } catch (PackageParserException e) {
11173            res.setError("Failed parse during installPackageLI", e);
11174            return;
11175        }
11176
11177        // Mark that we have an install time CPU ABI override.
11178        pkg.cpuAbiOverride = args.abiOverride;
11179
11180        String pkgName = res.name = pkg.packageName;
11181        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) {
11182            if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) {
11183                res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI");
11184                return;
11185            }
11186        }
11187
11188        try {
11189            pp.collectCertificates(pkg, parseFlags);
11190            pp.collectManifestDigest(pkg);
11191        } catch (PackageParserException e) {
11192            res.setError("Failed collect during installPackageLI", e);
11193            return;
11194        }
11195
11196        /* If the installer passed in a manifest digest, compare it now. */
11197        if (args.manifestDigest != null) {
11198            if (DEBUG_INSTALL) {
11199                final String parsedManifest = pkg.manifestDigest == null ? "null"
11200                        : pkg.manifestDigest.toString();
11201                Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. "
11202                        + parsedManifest);
11203            }
11204
11205            if (!args.manifestDigest.equals(pkg.manifestDigest)) {
11206                res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed");
11207                return;
11208            }
11209        } else if (DEBUG_INSTALL) {
11210            final String parsedManifest = pkg.manifestDigest == null
11211                    ? "null" : pkg.manifestDigest.toString();
11212            Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest);
11213        }
11214
11215        // Get rid of all references to package scan path via parser.
11216        pp = null;
11217        String oldCodePath = null;
11218        boolean systemApp = false;
11219        synchronized (mPackages) {
11220            // Check if installing already existing package
11221            if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
11222                String oldName = mSettings.mRenamedPackages.get(pkgName);
11223                if (pkg.mOriginalPackages != null
11224                        && pkg.mOriginalPackages.contains(oldName)
11225                        && mPackages.containsKey(oldName)) {
11226                    // This package is derived from an original package,
11227                    // and this device has been updating from that original
11228                    // name.  We must continue using the original name, so
11229                    // rename the new package here.
11230                    pkg.setPackageName(oldName);
11231                    pkgName = pkg.packageName;
11232                    replace = true;
11233                    if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName="
11234                            + oldName + " pkgName=" + pkgName);
11235                } else if (mPackages.containsKey(pkgName)) {
11236                    // This package, under its official name, already exists
11237                    // on the device; we should replace it.
11238                    replace = true;
11239                    if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName);
11240                }
11241            }
11242
11243            PackageSetting ps = mSettings.mPackages.get(pkgName);
11244            if (ps != null) {
11245                if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps);
11246
11247                // Quick sanity check that we're signed correctly if updating;
11248                // we'll check this again later when scanning, but we want to
11249                // bail early here before tripping over redefined permissions.
11250                if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) {
11251                    try {
11252                        verifySignaturesLP(ps, pkg);
11253                    } catch (PackageManagerException e) {
11254                        res.setError(e.error, e.getMessage());
11255                        return;
11256                    }
11257                } else {
11258                    if (!checkUpgradeKeySetLP(ps, pkg)) {
11259                        res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
11260                                + pkg.packageName + " upgrade keys do not match the "
11261                                + "previously installed version");
11262                        return;
11263                    }
11264                }
11265
11266                oldCodePath = mSettings.mPackages.get(pkgName).codePathString;
11267                if (ps.pkg != null && ps.pkg.applicationInfo != null) {
11268                    systemApp = (ps.pkg.applicationInfo.flags &
11269                            ApplicationInfo.FLAG_SYSTEM) != 0;
11270                }
11271                res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
11272            }
11273
11274            // Check whether the newly-scanned package wants to define an already-defined perm
11275            int N = pkg.permissions.size();
11276            for (int i = N-1; i >= 0; i--) {
11277                PackageParser.Permission perm = pkg.permissions.get(i);
11278                BasePermission bp = mSettings.mPermissions.get(perm.info.name);
11279                if (bp != null) {
11280                    // If the defining package is signed with our cert, it's okay.  This
11281                    // also includes the "updating the same package" case, of course.
11282                    // "updating same package" could also involve key-rotation.
11283                    final boolean sigsOk;
11284                    if (!bp.sourcePackage.equals(pkg.packageName)
11285                            || !(bp.packageSetting instanceof PackageSetting)
11286                            || !bp.packageSetting.keySetData.isUsingUpgradeKeySets()
11287                            || ((PackageSetting) bp.packageSetting).sharedUser != null) {
11288                        sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures,
11289                                pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
11290                    } else {
11291                        sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg);
11292                    }
11293                    if (!sigsOk) {
11294                        // If the owning package is the system itself, we log but allow
11295                        // install to proceed; we fail the install on all other permission
11296                        // redefinitions.
11297                        if (!bp.sourcePackage.equals("android")) {
11298                            res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package "
11299                                    + pkg.packageName + " attempting to redeclare permission "
11300                                    + perm.info.name + " already owned by " + bp.sourcePackage);
11301                            res.origPermission = perm.info.name;
11302                            res.origPackage = bp.sourcePackage;
11303                            return;
11304                        } else {
11305                            Slog.w(TAG, "Package " + pkg.packageName
11306                                    + " attempting to redeclare system permission "
11307                                    + perm.info.name + "; ignoring new declaration");
11308                            pkg.permissions.remove(i);
11309                        }
11310                    }
11311                }
11312            }
11313
11314        }
11315
11316        if (systemApp && onExternal) {
11317            // Disable updates to system apps on sdcard
11318            res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION,
11319                    "Cannot install updates to system apps on sdcard");
11320            return;
11321        }
11322
11323        // If app directory is not writable, dexopt will be called after the rename
11324        if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) {
11325            // Enable SCAN_NO_DEX flag to skip dexopt at a later stage
11326            scanFlags |= SCAN_NO_DEX;
11327            // Run dexopt before old package gets removed, to minimize time when app is unavailable
11328            int result = mPackageDexOptimizer
11329                    .performDexOpt(pkg, null /* instruction sets */, true /* forceDex */,
11330                            false /* defer */, false /* inclDependencies */);
11331            if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
11332                res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath);
11333                return;
11334            }
11335        }
11336
11337        if (!args.doRename(res.returnCode, pkg, oldCodePath)) {
11338            res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename");
11339            return;
11340        }
11341
11342        startIntentFilterVerifications(args.user.getIdentifier(), pkg);
11343
11344        if (replace) {
11345            replacePackageLI(pkg, parseFlags, scanFlags, args.user,
11346                    installerPackageName, volumeUuid, res);
11347        } else {
11348            installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES,
11349                    args.user, installerPackageName, volumeUuid, res);
11350        }
11351        synchronized (mPackages) {
11352            final PackageSetting ps = mSettings.mPackages.get(pkgName);
11353            if (ps != null) {
11354                res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
11355            }
11356        }
11357    }
11358
11359    private void startIntentFilterVerifications(int userId, PackageParser.Package pkg) {
11360        if (mIntentFilterVerifierComponent == null) {
11361            Slog.d(TAG, "No IntentFilter verification will not be done as "
11362                    + "there is no IntentFilterVerifier available!");
11363            return;
11364        }
11365
11366        final int verifierUid = getPackageUid(
11367                mIntentFilterVerifierComponent.getPackageName(),
11368                (userId == UserHandle.USER_ALL) ? UserHandle.USER_OWNER : userId);
11369
11370        mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS);
11371        final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS);
11372        msg.obj = pkg;
11373        msg.arg1 = userId;
11374        msg.arg2 = verifierUid;
11375
11376        mHandler.sendMessage(msg);
11377    }
11378
11379    private void verifyIntentFiltersIfNeeded(int userId, int verifierUid,
11380            PackageParser.Package pkg) {
11381        int size = pkg.activities.size();
11382        if (size == 0) {
11383            Slog.d(TAG, "No activity, so no need to verify any IntentFilter!");
11384            return;
11385        }
11386
11387        final boolean hasDomainURLs = hasDomainURLs(pkg);
11388        if (!hasDomainURLs) {
11389            Slog.d(TAG, "No domain URLs, so no need to verify any IntentFilter!");
11390            return;
11391        }
11392
11393        Slog.d(TAG, "Checking for userId:" + userId + " if any IntentFilter from the " + size
11394                + " Activities needs verification ...");
11395
11396        final int verificationId = mIntentFilterVerificationToken++;
11397        int count = 0;
11398        final String packageName = pkg.packageName;
11399        ArrayList<String> allHosts = new ArrayList<>();
11400
11401        synchronized (mPackages) {
11402            for (PackageParser.Activity a : pkg.activities) {
11403                for (ActivityIntentInfo filter : a.intents) {
11404                    boolean needsFilterVerification = filter.needsVerification();
11405                    if (needsFilterVerification && needsNetworkVerificationLPr(filter)) {
11406                        Slog.d(TAG, "Verification needed for IntentFilter:" + filter.toString());
11407                        mIntentFilterVerifier.addOneIntentFilterVerification(
11408                                verifierUid, userId, verificationId, filter, packageName);
11409                        count++;
11410                    } else if (!needsFilterVerification) {
11411                        Slog.d(TAG, "No verification needed for IntentFilter:" + filter.toString());
11412                        if (hasValidDomains(filter)) {
11413                            ArrayList<String> hosts = filter.getHostsList();
11414                            if (hosts.size() > 0) {
11415                                allHosts.addAll(hosts);
11416                            } else {
11417                                if (allHosts.isEmpty()) {
11418                                    allHosts.add("*");
11419                                }
11420                            }
11421                        }
11422                    } else {
11423                        Slog.d(TAG, "Verification already done for IntentFilter:"
11424                                + filter.toString());
11425                    }
11426                }
11427            }
11428        }
11429
11430        if (count > 0) {
11431            mIntentFilterVerifier.startVerifications(userId);
11432            Slog.d(TAG, "Started " + count + " IntentFilter verification"
11433                    + (count > 1 ? "s" : "") +  " for userId:" + userId + "!");
11434        } else {
11435            Slog.d(TAG, "No need to start any IntentFilter verification!");
11436            if (allHosts.size() > 0 && mSettings.createIntentFilterVerificationIfNeededLPw(
11437                    packageName, allHosts) != null) {
11438                scheduleWriteSettingsLocked();
11439            }
11440        }
11441    }
11442
11443    private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) {
11444        final ComponentName cn  = filter.activity.getComponentName();
11445        final String packageName = cn.getPackageName();
11446
11447        IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr(
11448                packageName);
11449        if (ivi == null) {
11450            return true;
11451        }
11452        int status = ivi.getStatus();
11453        switch (status) {
11454            case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED:
11455            case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK:
11456                return true;
11457
11458            default:
11459                // Nothing to do
11460                return false;
11461        }
11462    }
11463
11464    private static boolean isMultiArch(PackageSetting ps) {
11465        return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0;
11466    }
11467
11468    private static boolean isMultiArch(ApplicationInfo info) {
11469        return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0;
11470    }
11471
11472    private static boolean isExternal(PackageParser.Package pkg) {
11473        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
11474    }
11475
11476    private static boolean isExternal(PackageSetting ps) {
11477        return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
11478    }
11479
11480    private static boolean isExternal(ApplicationInfo info) {
11481        return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
11482    }
11483
11484    private static boolean isSystemApp(PackageParser.Package pkg) {
11485        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
11486    }
11487
11488    private static boolean isPrivilegedApp(PackageParser.Package pkg) {
11489        return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0;
11490    }
11491
11492    private static boolean hasDomainURLs(PackageParser.Package pkg) {
11493        return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0;
11494    }
11495
11496    private static boolean isSystemApp(PackageSetting ps) {
11497        return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0;
11498    }
11499
11500    private static boolean isUpdatedSystemApp(PackageSetting ps) {
11501        return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
11502    }
11503
11504    private int packageFlagsToInstallFlags(PackageSetting ps) {
11505        int installFlags = 0;
11506        if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) {
11507            // This existing package was an external ASEC install when we have
11508            // the external flag without a UUID
11509            installFlags |= PackageManager.INSTALL_EXTERNAL;
11510        }
11511        if (ps.isForwardLocked()) {
11512            installFlags |= PackageManager.INSTALL_FORWARD_LOCK;
11513        }
11514        return installFlags;
11515    }
11516
11517    private void deleteTempPackageFiles() {
11518        final FilenameFilter filter = new FilenameFilter() {
11519            public boolean accept(File dir, String name) {
11520                return name.startsWith("vmdl") && name.endsWith(".tmp");
11521            }
11522        };
11523        for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) {
11524            file.delete();
11525        }
11526    }
11527
11528    @Override
11529    public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId,
11530            int flags) {
11531        deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId,
11532                flags);
11533    }
11534
11535    @Override
11536    public void deletePackage(final String packageName,
11537            final IPackageDeleteObserver2 observer, final int userId, final int flags) {
11538        mContext.enforceCallingOrSelfPermission(
11539                android.Manifest.permission.DELETE_PACKAGES, null);
11540        final int uid = Binder.getCallingUid();
11541        if (UserHandle.getUserId(uid) != userId) {
11542            mContext.enforceCallingPermission(
11543                    android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
11544                    "deletePackage for user " + userId);
11545        }
11546        if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) {
11547            try {
11548                observer.onPackageDeleted(packageName,
11549                        PackageManager.DELETE_FAILED_USER_RESTRICTED, null);
11550            } catch (RemoteException re) {
11551            }
11552            return;
11553        }
11554
11555        boolean uninstallBlocked = false;
11556        if ((flags & PackageManager.DELETE_ALL_USERS) != 0) {
11557            int[] users = sUserManager.getUserIds();
11558            for (int i = 0; i < users.length; ++i) {
11559                if (getBlockUninstallForUser(packageName, users[i])) {
11560                    uninstallBlocked = true;
11561                    break;
11562                }
11563            }
11564        } else {
11565            uninstallBlocked = getBlockUninstallForUser(packageName, userId);
11566        }
11567        if (uninstallBlocked) {
11568            try {
11569                observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED,
11570                        null);
11571            } catch (RemoteException re) {
11572            }
11573            return;
11574        }
11575
11576        if (DEBUG_REMOVE) {
11577            Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId);
11578        }
11579        // Queue up an async operation since the package deletion may take a little while.
11580        mHandler.post(new Runnable() {
11581            public void run() {
11582                mHandler.removeCallbacks(this);
11583                final int returnCode = deletePackageX(packageName, userId, flags);
11584                if (observer != null) {
11585                    try {
11586                        observer.onPackageDeleted(packageName, returnCode, null);
11587                    } catch (RemoteException e) {
11588                        Log.i(TAG, "Observer no longer exists.");
11589                    } //end catch
11590                } //end if
11591            } //end run
11592        });
11593    }
11594
11595    private boolean isPackageDeviceAdmin(String packageName, int userId) {
11596        IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface(
11597                ServiceManager.getService(Context.DEVICE_POLICY_SERVICE));
11598        try {
11599            if (dpm != null) {
11600                if (dpm.isDeviceOwner(packageName)) {
11601                    return true;
11602                }
11603                int[] users;
11604                if (userId == UserHandle.USER_ALL) {
11605                    users = sUserManager.getUserIds();
11606                } else {
11607                    users = new int[]{userId};
11608                }
11609                for (int i = 0; i < users.length; ++i) {
11610                    if (dpm.packageHasActiveAdmins(packageName, users[i])) {
11611                        return true;
11612                    }
11613                }
11614            }
11615        } catch (RemoteException e) {
11616        }
11617        return false;
11618    }
11619
11620    /**
11621     *  This method is an internal method that could be get invoked either
11622     *  to delete an installed package or to clean up a failed installation.
11623     *  After deleting an installed package, a broadcast is sent to notify any
11624     *  listeners that the package has been installed. For cleaning up a failed
11625     *  installation, the broadcast is not necessary since the package's
11626     *  installation wouldn't have sent the initial broadcast either
11627     *  The key steps in deleting a package are
11628     *  deleting the package information in internal structures like mPackages,
11629     *  deleting the packages base directories through installd
11630     *  updating mSettings to reflect current status
11631     *  persisting settings for later use
11632     *  sending a broadcast if necessary
11633     */
11634    private int deletePackageX(String packageName, int userId, int flags) {
11635        final PackageRemovedInfo info = new PackageRemovedInfo();
11636        final boolean res;
11637
11638        final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0
11639                ? UserHandle.ALL : new UserHandle(userId);
11640
11641        if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) {
11642            Slog.w(TAG, "Not removing package " + packageName + ": has active device admin");
11643            return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER;
11644        }
11645
11646        boolean removedForAllUsers = false;
11647        boolean systemUpdate = false;
11648
11649        // for the uninstall-updates case and restricted profiles, remember the per-
11650        // userhandle installed state
11651        int[] allUsers;
11652        boolean[] perUserInstalled;
11653        synchronized (mPackages) {
11654            PackageSetting ps = mSettings.mPackages.get(packageName);
11655            allUsers = sUserManager.getUserIds();
11656            perUserInstalled = new boolean[allUsers.length];
11657            for (int i = 0; i < allUsers.length; i++) {
11658                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
11659            }
11660        }
11661
11662        synchronized (mInstallLock) {
11663            if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId);
11664            res = deletePackageLI(packageName, removeForUser,
11665                    true, allUsers, perUserInstalled,
11666                    flags | REMOVE_CHATTY, info, true);
11667            systemUpdate = info.isRemovedPackageSystemUpdate;
11668            if (res && !systemUpdate && mPackages.get(packageName) == null) {
11669                removedForAllUsers = true;
11670            }
11671            if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate
11672                    + " removedForAllUsers=" + removedForAllUsers);
11673        }
11674
11675        if (res) {
11676            info.sendBroadcast(true, systemUpdate, removedForAllUsers);
11677
11678            // If the removed package was a system update, the old system package
11679            // was re-enabled; we need to broadcast this information
11680            if (systemUpdate) {
11681                Bundle extras = new Bundle(1);
11682                extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0
11683                        ? info.removedAppId : info.uid);
11684                extras.putBoolean(Intent.EXTRA_REPLACING, true);
11685
11686                sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName,
11687                        extras, null, null, null);
11688                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName,
11689                        extras, null, null, null);
11690                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null,
11691                        null, packageName, null, null);
11692            }
11693        }
11694        // Force a gc here.
11695        Runtime.getRuntime().gc();
11696        // Delete the resources here after sending the broadcast to let
11697        // other processes clean up before deleting resources.
11698        if (info.args != null) {
11699            synchronized (mInstallLock) {
11700                info.args.doPostDeleteLI(true);
11701            }
11702        }
11703
11704        return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR;
11705    }
11706
11707    static class PackageRemovedInfo {
11708        String removedPackage;
11709        int uid = -1;
11710        int removedAppId = -1;
11711        int[] removedUsers = null;
11712        boolean isRemovedPackageSystemUpdate = false;
11713        // Clean up resources deleted packages.
11714        InstallArgs args = null;
11715
11716        void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) {
11717            Bundle extras = new Bundle(1);
11718            extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid);
11719            extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove);
11720            if (replacing) {
11721                extras.putBoolean(Intent.EXTRA_REPLACING, true);
11722            }
11723            extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers);
11724            if (removedPackage != null) {
11725                sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
11726                        extras, null, null, removedUsers);
11727                if (fullRemove && !replacing) {
11728                    sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage,
11729                            extras, null, null, removedUsers);
11730                }
11731            }
11732            if (removedAppId >= 0) {
11733                sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null,
11734                        removedUsers);
11735            }
11736        }
11737    }
11738
11739    /*
11740     * This method deletes the package from internal data structures. If the DONT_DELETE_DATA
11741     * flag is not set, the data directory is removed as well.
11742     * make sure this flag is set for partially installed apps. If not its meaningless to
11743     * delete a partially installed application.
11744     */
11745    private void removePackageDataLI(PackageSetting ps,
11746            int[] allUserHandles, boolean[] perUserInstalled,
11747            PackageRemovedInfo outInfo, int flags, boolean writeSettings) {
11748        String packageName = ps.name;
11749        if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps);
11750        removePackageLI(ps, (flags&REMOVE_CHATTY) != 0);
11751        // Retrieve object to delete permissions for shared user later on
11752        final PackageSetting deletedPs;
11753        // reader
11754        synchronized (mPackages) {
11755            deletedPs = mSettings.mPackages.get(packageName);
11756            if (outInfo != null) {
11757                outInfo.removedPackage = packageName;
11758                outInfo.removedUsers = deletedPs != null
11759                        ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true)
11760                        : null;
11761            }
11762        }
11763        if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
11764            removeDataDirsLI(ps.volumeUuid, packageName);
11765            schedulePackageCleaning(packageName, UserHandle.USER_ALL, true);
11766        }
11767        // writer
11768        synchronized (mPackages) {
11769            if (deletedPs != null) {
11770                if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
11771                    if (outInfo != null) {
11772                        mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName);
11773                        outInfo.removedAppId = mSettings.removePackageLPw(packageName);
11774                    }
11775                    updatePermissionsLPw(deletedPs.name, null, 0);
11776                    if (deletedPs.sharedUser != null) {
11777                        // Remove permissions associated with package. Since runtime
11778                        // permissions are per user we have to kill the removed package
11779                        // or packages running under the shared user of the removed
11780                        // package if revoking the permissions requested only by the removed
11781                        // package is successful and this causes a change in gids.
11782                        for (int userId : UserManagerService.getInstance().getUserIds()) {
11783                            final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs,
11784                                    userId);
11785                            if (userIdToKill == UserHandle.USER_ALL
11786                                    || userIdToKill >= UserHandle.USER_OWNER) {
11787                                // If gids changed for this user, kill all affected packages.
11788                                mHandler.post(new Runnable() {
11789                                    @Override
11790                                    public void run() {
11791                                        // This has to happen with no lock held.
11792                                        killSettingPackagesForUser(deletedPs, userIdToKill,
11793                                                KILL_APP_REASON_GIDS_CHANGED);
11794                                    }
11795                                });
11796                            break;
11797                            }
11798                        }
11799                    }
11800                    clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL);
11801                    clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL);
11802                }
11803                // make sure to preserve per-user disabled state if this removal was just
11804                // a downgrade of a system app to the factory package
11805                if (allUserHandles != null && perUserInstalled != null) {
11806                    if (DEBUG_REMOVE) {
11807                        Slog.d(TAG, "Propagating install state across downgrade");
11808                    }
11809                    for (int i = 0; i < allUserHandles.length; i++) {
11810                        if (DEBUG_REMOVE) {
11811                            Slog.d(TAG, "    user " + allUserHandles[i]
11812                                    + " => " + perUserInstalled[i]);
11813                        }
11814                        ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
11815                    }
11816                }
11817            }
11818            // can downgrade to reader
11819            if (writeSettings) {
11820                // Save settings now
11821                mSettings.writeLPr();
11822            }
11823        }
11824        if (outInfo != null) {
11825            // A user ID was deleted here. Go through all users and remove it
11826            // from KeyStore.
11827            removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId);
11828        }
11829    }
11830
11831    static boolean locationIsPrivileged(File path) {
11832        try {
11833            final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app")
11834                    .getCanonicalPath();
11835            return path.getCanonicalPath().startsWith(privilegedAppDir);
11836        } catch (IOException e) {
11837            Slog.e(TAG, "Unable to access code path " + path);
11838        }
11839        return false;
11840    }
11841
11842    /*
11843     * Tries to delete system package.
11844     */
11845    private boolean deleteSystemPackageLI(PackageSetting newPs,
11846            int[] allUserHandles, boolean[] perUserInstalled,
11847            int flags, PackageRemovedInfo outInfo, boolean writeSettings) {
11848        final boolean applyUserRestrictions
11849                = (allUserHandles != null) && (perUserInstalled != null);
11850        PackageSetting disabledPs = null;
11851        // Confirm if the system package has been updated
11852        // An updated system app can be deleted. This will also have to restore
11853        // the system pkg from system partition
11854        // reader
11855        synchronized (mPackages) {
11856            disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name);
11857        }
11858        if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs
11859                + " disabledPs=" + disabledPs);
11860        if (disabledPs == null) {
11861            Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name);
11862            return false;
11863        } else if (DEBUG_REMOVE) {
11864            Slog.d(TAG, "Deleting system pkg from data partition");
11865        }
11866        if (DEBUG_REMOVE) {
11867            if (applyUserRestrictions) {
11868                Slog.d(TAG, "Remembering install states:");
11869                for (int i = 0; i < allUserHandles.length; i++) {
11870                    Slog.d(TAG, "   u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]);
11871                }
11872            }
11873        }
11874        // Delete the updated package
11875        outInfo.isRemovedPackageSystemUpdate = true;
11876        if (disabledPs.versionCode < newPs.versionCode) {
11877            // Delete data for downgrades
11878            flags &= ~PackageManager.DELETE_KEEP_DATA;
11879        } else {
11880            // Preserve data by setting flag
11881            flags |= PackageManager.DELETE_KEEP_DATA;
11882        }
11883        boolean ret = deleteInstalledPackageLI(newPs, true, flags,
11884                allUserHandles, perUserInstalled, outInfo, writeSettings);
11885        if (!ret) {
11886            return false;
11887        }
11888        // writer
11889        synchronized (mPackages) {
11890            // Reinstate the old system package
11891            mSettings.enableSystemPackageLPw(newPs.name);
11892            // Remove any native libraries from the upgraded package.
11893            NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString);
11894        }
11895        // Install the system package
11896        if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs);
11897        int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM;
11898        if (locationIsPrivileged(disabledPs.codePath)) {
11899            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
11900        }
11901
11902        final PackageParser.Package newPkg;
11903        try {
11904            newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null);
11905        } catch (PackageManagerException e) {
11906            Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage());
11907            return false;
11908        }
11909
11910        // writer
11911        synchronized (mPackages) {
11912            PackageSetting ps = mSettings.mPackages.get(newPkg.packageName);
11913            updatePermissionsLPw(newPkg.packageName, newPkg,
11914                    UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG);
11915            if (applyUserRestrictions) {
11916                if (DEBUG_REMOVE) {
11917                    Slog.d(TAG, "Propagating install state across reinstall");
11918                }
11919                for (int i = 0; i < allUserHandles.length; i++) {
11920                    if (DEBUG_REMOVE) {
11921                        Slog.d(TAG, "    user " + allUserHandles[i]
11922                                + " => " + perUserInstalled[i]);
11923                    }
11924                    ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
11925                }
11926                // Regardless of writeSettings we need to ensure that this restriction
11927                // state propagation is persisted
11928                mSettings.writeAllUsersPackageRestrictionsLPr();
11929            }
11930            // can downgrade to reader here
11931            if (writeSettings) {
11932                mSettings.writeLPr();
11933            }
11934        }
11935        return true;
11936    }
11937
11938    private boolean deleteInstalledPackageLI(PackageSetting ps,
11939            boolean deleteCodeAndResources, int flags,
11940            int[] allUserHandles, boolean[] perUserInstalled,
11941            PackageRemovedInfo outInfo, boolean writeSettings) {
11942        if (outInfo != null) {
11943            outInfo.uid = ps.appId;
11944        }
11945
11946        // Delete package data from internal structures and also remove data if flag is set
11947        removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings);
11948
11949        // Delete application code and resources
11950        if (deleteCodeAndResources && (outInfo != null)) {
11951            outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
11952                    ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString,
11953                    getAppDexInstructionSets(ps));
11954            if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args);
11955        }
11956        return true;
11957    }
11958
11959    @Override
11960    public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall,
11961            int userId) {
11962        mContext.enforceCallingOrSelfPermission(
11963                android.Manifest.permission.DELETE_PACKAGES, null);
11964        synchronized (mPackages) {
11965            PackageSetting ps = mSettings.mPackages.get(packageName);
11966            if (ps == null) {
11967                Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName);
11968                return false;
11969            }
11970            if (!ps.getInstalled(userId)) {
11971                // Can't block uninstall for an app that is not installed or enabled.
11972                Log.i(TAG, "Package not installed in set block uninstall " + packageName);
11973                return false;
11974            }
11975            ps.setBlockUninstall(blockUninstall, userId);
11976            mSettings.writePackageRestrictionsLPr(userId);
11977        }
11978        return true;
11979    }
11980
11981    @Override
11982    public boolean getBlockUninstallForUser(String packageName, int userId) {
11983        synchronized (mPackages) {
11984            PackageSetting ps = mSettings.mPackages.get(packageName);
11985            if (ps == null) {
11986                Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName);
11987                return false;
11988            }
11989            return ps.getBlockUninstall(userId);
11990        }
11991    }
11992
11993    /*
11994     * This method handles package deletion in general
11995     */
11996    private boolean deletePackageLI(String packageName, UserHandle user,
11997            boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled,
11998            int flags, PackageRemovedInfo outInfo,
11999            boolean writeSettings) {
12000        if (packageName == null) {
12001            Slog.w(TAG, "Attempt to delete null packageName.");
12002            return false;
12003        }
12004        if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user);
12005        PackageSetting ps;
12006        boolean dataOnly = false;
12007        int removeUser = -1;
12008        int appId = -1;
12009        synchronized (mPackages) {
12010            ps = mSettings.mPackages.get(packageName);
12011            if (ps == null) {
12012                Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
12013                return false;
12014            }
12015            if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null
12016                    && user.getIdentifier() != UserHandle.USER_ALL) {
12017                // The caller is asking that the package only be deleted for a single
12018                // user.  To do this, we just mark its uninstalled state and delete
12019                // its data.  If this is a system app, we only allow this to happen if
12020                // they have set the special DELETE_SYSTEM_APP which requests different
12021                // semantics than normal for uninstalling system apps.
12022                if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user");
12023                ps.setUserState(user.getIdentifier(),
12024                        COMPONENT_ENABLED_STATE_DEFAULT,
12025                        false, //installed
12026                        true,  //stopped
12027                        true,  //notLaunched
12028                        false, //hidden
12029                        null, null, null,
12030                        false, // blockUninstall
12031                        INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED);
12032                if (!isSystemApp(ps)) {
12033                    if (ps.isAnyInstalled(sUserManager.getUserIds())) {
12034                        // Other user still have this package installed, so all
12035                        // we need to do is clear this user's data and save that
12036                        // it is uninstalled.
12037                        if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users");
12038                        removeUser = user.getIdentifier();
12039                        appId = ps.appId;
12040                        scheduleWritePackageRestrictionsLocked(removeUser);
12041                    } else {
12042                        // We need to set it back to 'installed' so the uninstall
12043                        // broadcasts will be sent correctly.
12044                        if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete");
12045                        ps.setInstalled(true, user.getIdentifier());
12046                    }
12047                } else {
12048                    // This is a system app, so we assume that the
12049                    // other users still have this package installed, so all
12050                    // we need to do is clear this user's data and save that
12051                    // it is uninstalled.
12052                    if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app");
12053                    removeUser = user.getIdentifier();
12054                    appId = ps.appId;
12055                    scheduleWritePackageRestrictionsLocked(removeUser);
12056                }
12057            }
12058        }
12059
12060        if (removeUser >= 0) {
12061            // From above, we determined that we are deleting this only
12062            // for a single user.  Continue the work here.
12063            if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser);
12064            if (outInfo != null) {
12065                outInfo.removedPackage = packageName;
12066                outInfo.removedAppId = appId;
12067                outInfo.removedUsers = new int[] {removeUser};
12068            }
12069            mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser);
12070            removeKeystoreDataIfNeeded(removeUser, appId);
12071            schedulePackageCleaning(packageName, removeUser, false);
12072            synchronized (mPackages) {
12073                if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) {
12074                    scheduleWritePackageRestrictionsLocked(removeUser);
12075                }
12076            }
12077            return true;
12078        }
12079
12080        if (dataOnly) {
12081            // Delete application data first
12082            if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only");
12083            removePackageDataLI(ps, null, null, outInfo, flags, writeSettings);
12084            return true;
12085        }
12086
12087        boolean ret = false;
12088        if (isSystemApp(ps)) {
12089            if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name);
12090            // When an updated system application is deleted we delete the existing resources as well and
12091            // fall back to existing code in system partition
12092            ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled,
12093                    flags, outInfo, writeSettings);
12094        } else {
12095            if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name);
12096            // Kill application pre-emptively especially for apps on sd.
12097            killApplication(packageName, ps.appId, "uninstall pkg");
12098            ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags,
12099                    allUserHandles, perUserInstalled,
12100                    outInfo, writeSettings);
12101        }
12102
12103        return ret;
12104    }
12105
12106    private final class ClearStorageConnection implements ServiceConnection {
12107        IMediaContainerService mContainerService;
12108
12109        @Override
12110        public void onServiceConnected(ComponentName name, IBinder service) {
12111            synchronized (this) {
12112                mContainerService = IMediaContainerService.Stub.asInterface(service);
12113                notifyAll();
12114            }
12115        }
12116
12117        @Override
12118        public void onServiceDisconnected(ComponentName name) {
12119        }
12120    }
12121
12122    private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) {
12123        final boolean mounted;
12124        if (Environment.isExternalStorageEmulated()) {
12125            mounted = true;
12126        } else {
12127            final String status = Environment.getExternalStorageState();
12128
12129            mounted = status.equals(Environment.MEDIA_MOUNTED)
12130                    || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY);
12131        }
12132
12133        if (!mounted) {
12134            return;
12135        }
12136
12137        final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
12138        int[] users;
12139        if (userId == UserHandle.USER_ALL) {
12140            users = sUserManager.getUserIds();
12141        } else {
12142            users = new int[] { userId };
12143        }
12144        final ClearStorageConnection conn = new ClearStorageConnection();
12145        if (mContext.bindServiceAsUser(
12146                containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) {
12147            try {
12148                for (int curUser : users) {
12149                    long timeout = SystemClock.uptimeMillis() + 5000;
12150                    synchronized (conn) {
12151                        long now = SystemClock.uptimeMillis();
12152                        while (conn.mContainerService == null && now < timeout) {
12153                            try {
12154                                conn.wait(timeout - now);
12155                            } catch (InterruptedException e) {
12156                            }
12157                        }
12158                    }
12159                    if (conn.mContainerService == null) {
12160                        return;
12161                    }
12162
12163                    final UserEnvironment userEnv = new UserEnvironment(curUser);
12164                    clearDirectory(conn.mContainerService,
12165                            userEnv.buildExternalStorageAppCacheDirs(packageName));
12166                    if (allData) {
12167                        clearDirectory(conn.mContainerService,
12168                                userEnv.buildExternalStorageAppDataDirs(packageName));
12169                        clearDirectory(conn.mContainerService,
12170                                userEnv.buildExternalStorageAppMediaDirs(packageName));
12171                    }
12172                }
12173            } finally {
12174                mContext.unbindService(conn);
12175            }
12176        }
12177    }
12178
12179    @Override
12180    public void clearApplicationUserData(final String packageName,
12181            final IPackageDataObserver observer, final int userId) {
12182        mContext.enforceCallingOrSelfPermission(
12183                android.Manifest.permission.CLEAR_APP_USER_DATA, null);
12184        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data");
12185        // Queue up an async operation since the package deletion may take a little while.
12186        mHandler.post(new Runnable() {
12187            public void run() {
12188                mHandler.removeCallbacks(this);
12189                final boolean succeeded;
12190                synchronized (mInstallLock) {
12191                    succeeded = clearApplicationUserDataLI(packageName, userId);
12192                }
12193                clearExternalStorageDataSync(packageName, userId, true);
12194                if (succeeded) {
12195                    // invoke DeviceStorageMonitor's update method to clear any notifications
12196                    DeviceStorageMonitorInternal
12197                            dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
12198                    if (dsm != null) {
12199                        dsm.checkMemory();
12200                    }
12201                }
12202                if(observer != null) {
12203                    try {
12204                        observer.onRemoveCompleted(packageName, succeeded);
12205                    } catch (RemoteException e) {
12206                        Log.i(TAG, "Observer no longer exists.");
12207                    }
12208                } //end if observer
12209            } //end run
12210        });
12211    }
12212
12213    private boolean clearApplicationUserDataLI(String packageName, int userId) {
12214        if (packageName == null) {
12215            Slog.w(TAG, "Attempt to delete null packageName.");
12216            return false;
12217        }
12218
12219        // Try finding details about the requested package
12220        PackageParser.Package pkg;
12221        synchronized (mPackages) {
12222            pkg = mPackages.get(packageName);
12223            if (pkg == null) {
12224                final PackageSetting ps = mSettings.mPackages.get(packageName);
12225                if (ps != null) {
12226                    pkg = ps.pkg;
12227                }
12228            }
12229        }
12230
12231        if (pkg == null) {
12232            Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
12233        }
12234
12235        // Always delete data directories for package, even if we found no other
12236        // record of app. This helps users recover from UID mismatches without
12237        // resorting to a full data wipe.
12238        int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId);
12239        if (retCode < 0) {
12240            Slog.w(TAG, "Couldn't remove cache files for package: " + packageName);
12241            return false;
12242        }
12243
12244        if (pkg == null) {
12245            return false;
12246        }
12247
12248        if (pkg != null && pkg.applicationInfo != null) {
12249            final int appId = pkg.applicationInfo.uid;
12250            removeKeystoreDataIfNeeded(userId, appId);
12251        }
12252
12253        // Create a native library symlink only if we have native libraries
12254        // and if the native libraries are 32 bit libraries. We do not provide
12255        // this symlink for 64 bit libraries.
12256        if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null &&
12257                !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
12258            final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
12259            if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName,
12260                    nativeLibPath, userId) < 0) {
12261                Slog.w(TAG, "Failed linking native library dir");
12262                return false;
12263            }
12264        }
12265
12266        return true;
12267    }
12268
12269    /**
12270     * Remove entries from the keystore daemon. Will only remove it if the
12271     * {@code appId} is valid.
12272     */
12273    private static void removeKeystoreDataIfNeeded(int userId, int appId) {
12274        if (appId < 0) {
12275            return;
12276        }
12277
12278        final KeyStore keyStore = KeyStore.getInstance();
12279        if (keyStore != null) {
12280            if (userId == UserHandle.USER_ALL) {
12281                for (final int individual : sUserManager.getUserIds()) {
12282                    keyStore.clearUid(UserHandle.getUid(individual, appId));
12283                }
12284            } else {
12285                keyStore.clearUid(UserHandle.getUid(userId, appId));
12286            }
12287        } else {
12288            Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId);
12289        }
12290    }
12291
12292    @Override
12293    public void deleteApplicationCacheFiles(final String packageName,
12294            final IPackageDataObserver observer) {
12295        mContext.enforceCallingOrSelfPermission(
12296                android.Manifest.permission.DELETE_CACHE_FILES, null);
12297        // Queue up an async operation since the package deletion may take a little while.
12298        final int userId = UserHandle.getCallingUserId();
12299        mHandler.post(new Runnable() {
12300            public void run() {
12301                mHandler.removeCallbacks(this);
12302                final boolean succeded;
12303                synchronized (mInstallLock) {
12304                    succeded = deleteApplicationCacheFilesLI(packageName, userId);
12305                }
12306                clearExternalStorageDataSync(packageName, userId, false);
12307                if(observer != null) {
12308                    try {
12309                        observer.onRemoveCompleted(packageName, succeded);
12310                    } catch (RemoteException e) {
12311                        Log.i(TAG, "Observer no longer exists.");
12312                    }
12313                } //end if observer
12314            } //end run
12315        });
12316    }
12317
12318    private boolean deleteApplicationCacheFilesLI(String packageName, int userId) {
12319        if (packageName == null) {
12320            Slog.w(TAG, "Attempt to delete null packageName.");
12321            return false;
12322        }
12323        PackageParser.Package p;
12324        synchronized (mPackages) {
12325            p = mPackages.get(packageName);
12326        }
12327        if (p == null) {
12328            Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
12329            return false;
12330        }
12331        final ApplicationInfo applicationInfo = p.applicationInfo;
12332        if (applicationInfo == null) {
12333            Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
12334            return false;
12335        }
12336        int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId);
12337        if (retCode < 0) {
12338            Slog.w(TAG, "Couldn't remove cache files for package: "
12339                       + packageName + " u" + userId);
12340            return false;
12341        }
12342        return true;
12343    }
12344
12345    @Override
12346    public void getPackageSizeInfo(final String packageName, int userHandle,
12347            final IPackageStatsObserver observer) {
12348        mContext.enforceCallingOrSelfPermission(
12349                android.Manifest.permission.GET_PACKAGE_SIZE, null);
12350        if (packageName == null) {
12351            throw new IllegalArgumentException("Attempt to get size of null packageName");
12352        }
12353
12354        PackageStats stats = new PackageStats(packageName, userHandle);
12355
12356        /*
12357         * Queue up an async operation since the package measurement may take a
12358         * little while.
12359         */
12360        Message msg = mHandler.obtainMessage(INIT_COPY);
12361        msg.obj = new MeasureParams(stats, observer);
12362        mHandler.sendMessage(msg);
12363    }
12364
12365    private boolean getPackageSizeInfoLI(String packageName, int userHandle,
12366            PackageStats pStats) {
12367        if (packageName == null) {
12368            Slog.w(TAG, "Attempt to get size of null packageName.");
12369            return false;
12370        }
12371        PackageParser.Package p;
12372        boolean dataOnly = false;
12373        String libDirRoot = null;
12374        String asecPath = null;
12375        PackageSetting ps = null;
12376        synchronized (mPackages) {
12377            p = mPackages.get(packageName);
12378            ps = mSettings.mPackages.get(packageName);
12379            if(p == null) {
12380                dataOnly = true;
12381                if((ps == null) || (ps.pkg == null)) {
12382                    Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
12383                    return false;
12384                }
12385                p = ps.pkg;
12386            }
12387            if (ps != null) {
12388                libDirRoot = ps.legacyNativeLibraryPathString;
12389            }
12390            if (p != null && (isExternal(p) || p.isForwardLocked())) {
12391                String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath());
12392                if (secureContainerId != null) {
12393                    asecPath = PackageHelper.getSdFilesystem(secureContainerId);
12394                }
12395            }
12396        }
12397        String publicSrcDir = null;
12398        if(!dataOnly) {
12399            final ApplicationInfo applicationInfo = p.applicationInfo;
12400            if (applicationInfo == null) {
12401                Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
12402                return false;
12403            }
12404            if (p.isForwardLocked()) {
12405                publicSrcDir = applicationInfo.getBaseResourcePath();
12406            }
12407        }
12408        // TODO: extend to measure size of split APKs
12409        // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree,
12410        // not just the first level.
12411        // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not
12412        // just the primary.
12413        String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps));
12414        int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, p.baseCodePath,
12415                libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats);
12416        if (res < 0) {
12417            return false;
12418        }
12419
12420        // Fix-up for forward-locked applications in ASEC containers.
12421        if (!isExternal(p)) {
12422            pStats.codeSize += pStats.externalCodeSize;
12423            pStats.externalCodeSize = 0L;
12424        }
12425
12426        return true;
12427    }
12428
12429
12430    @Override
12431    public void addPackageToPreferred(String packageName) {
12432        Slog.w(TAG, "addPackageToPreferred: this is now a no-op");
12433    }
12434
12435    @Override
12436    public void removePackageFromPreferred(String packageName) {
12437        Slog.w(TAG, "removePackageFromPreferred: this is now a no-op");
12438    }
12439
12440    @Override
12441    public List<PackageInfo> getPreferredPackages(int flags) {
12442        return new ArrayList<PackageInfo>();
12443    }
12444
12445    private int getUidTargetSdkVersionLockedLPr(int uid) {
12446        Object obj = mSettings.getUserIdLPr(uid);
12447        if (obj instanceof SharedUserSetting) {
12448            final SharedUserSetting sus = (SharedUserSetting) obj;
12449            int vers = Build.VERSION_CODES.CUR_DEVELOPMENT;
12450            final Iterator<PackageSetting> it = sus.packages.iterator();
12451            while (it.hasNext()) {
12452                final PackageSetting ps = it.next();
12453                if (ps.pkg != null) {
12454                    int v = ps.pkg.applicationInfo.targetSdkVersion;
12455                    if (v < vers) vers = v;
12456                }
12457            }
12458            return vers;
12459        } else if (obj instanceof PackageSetting) {
12460            final PackageSetting ps = (PackageSetting) obj;
12461            if (ps.pkg != null) {
12462                return ps.pkg.applicationInfo.targetSdkVersion;
12463            }
12464        }
12465        return Build.VERSION_CODES.CUR_DEVELOPMENT;
12466    }
12467
12468    @Override
12469    public void addPreferredActivity(IntentFilter filter, int match,
12470            ComponentName[] set, ComponentName activity, int userId) {
12471        addPreferredActivityInternal(filter, match, set, activity, true, userId,
12472                "Adding preferred");
12473    }
12474
12475    private void addPreferredActivityInternal(IntentFilter filter, int match,
12476            ComponentName[] set, ComponentName activity, boolean always, int userId,
12477            String opname) {
12478        // writer
12479        int callingUid = Binder.getCallingUid();
12480        enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity");
12481        if (filter.countActions() == 0) {
12482            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
12483            return;
12484        }
12485        synchronized (mPackages) {
12486            if (mContext.checkCallingOrSelfPermission(
12487                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
12488                    != PackageManager.PERMISSION_GRANTED) {
12489                if (getUidTargetSdkVersionLockedLPr(callingUid)
12490                        < Build.VERSION_CODES.FROYO) {
12491                    Slog.w(TAG, "Ignoring addPreferredActivity() from uid "
12492                            + callingUid);
12493                    return;
12494                }
12495                mContext.enforceCallingOrSelfPermission(
12496                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
12497            }
12498
12499            PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId);
12500            Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user "
12501                    + userId + ":");
12502            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
12503            pir.addFilter(new PreferredActivity(filter, match, set, activity, always));
12504            scheduleWritePackageRestrictionsLocked(userId);
12505        }
12506    }
12507
12508    @Override
12509    public void replacePreferredActivity(IntentFilter filter, int match,
12510            ComponentName[] set, ComponentName activity, int userId) {
12511        if (filter.countActions() != 1) {
12512            throw new IllegalArgumentException(
12513                    "replacePreferredActivity expects filter to have only 1 action.");
12514        }
12515        if (filter.countDataAuthorities() != 0
12516                || filter.countDataPaths() != 0
12517                || filter.countDataSchemes() > 1
12518                || filter.countDataTypes() != 0) {
12519            throw new IllegalArgumentException(
12520                    "replacePreferredActivity expects filter to have no data authorities, " +
12521                    "paths, or types; and at most one scheme.");
12522        }
12523
12524        final int callingUid = Binder.getCallingUid();
12525        enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity");
12526        synchronized (mPackages) {
12527            if (mContext.checkCallingOrSelfPermission(
12528                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
12529                    != PackageManager.PERMISSION_GRANTED) {
12530                if (getUidTargetSdkVersionLockedLPr(callingUid)
12531                        < Build.VERSION_CODES.FROYO) {
12532                    Slog.w(TAG, "Ignoring replacePreferredActivity() from uid "
12533                            + Binder.getCallingUid());
12534                    return;
12535                }
12536                mContext.enforceCallingOrSelfPermission(
12537                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
12538            }
12539
12540            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
12541            if (pir != null) {
12542                // Get all of the existing entries that exactly match this filter.
12543                ArrayList<PreferredActivity> existing = pir.findFilters(filter);
12544                if (existing != null && existing.size() == 1) {
12545                    PreferredActivity cur = existing.get(0);
12546                    if (DEBUG_PREFERRED) {
12547                        Slog.i(TAG, "Checking replace of preferred:");
12548                        filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
12549                        if (!cur.mPref.mAlways) {
12550                            Slog.i(TAG, "  -- CUR; not mAlways!");
12551                        } else {
12552                            Slog.i(TAG, "  -- CUR: mMatch=" + cur.mPref.mMatch);
12553                            Slog.i(TAG, "  -- CUR: mSet="
12554                                    + Arrays.toString(cur.mPref.mSetComponents));
12555                            Slog.i(TAG, "  -- CUR: mComponent=" + cur.mPref.mShortComponent);
12556                            Slog.i(TAG, "  -- NEW: mMatch="
12557                                    + (match&IntentFilter.MATCH_CATEGORY_MASK));
12558                            Slog.i(TAG, "  -- CUR: mSet=" + Arrays.toString(set));
12559                            Slog.i(TAG, "  -- CUR: mComponent=" + activity.flattenToShortString());
12560                        }
12561                    }
12562                    if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity)
12563                            && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK)
12564                            && cur.mPref.sameSet(set)) {
12565                        // Setting the preferred activity to what it happens to be already
12566                        if (DEBUG_PREFERRED) {
12567                            Slog.i(TAG, "Replacing with same preferred activity "
12568                                    + cur.mPref.mShortComponent + " for user "
12569                                    + userId + ":");
12570                            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
12571                        }
12572                        return;
12573                    }
12574                }
12575
12576                if (existing != null) {
12577                    if (DEBUG_PREFERRED) {
12578                        Slog.i(TAG, existing.size() + " existing preferred matches for:");
12579                        filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
12580                    }
12581                    for (int i = 0; i < existing.size(); i++) {
12582                        PreferredActivity pa = existing.get(i);
12583                        if (DEBUG_PREFERRED) {
12584                            Slog.i(TAG, "Removing existing preferred activity "
12585                                    + pa.mPref.mComponent + ":");
12586                            pa.dump(new LogPrinter(Log.INFO, TAG), "  ");
12587                        }
12588                        pir.removeFilter(pa);
12589                    }
12590                }
12591            }
12592            addPreferredActivityInternal(filter, match, set, activity, true, userId,
12593                    "Replacing preferred");
12594        }
12595    }
12596
12597    @Override
12598    public void clearPackagePreferredActivities(String packageName) {
12599        final int uid = Binder.getCallingUid();
12600        // writer
12601        synchronized (mPackages) {
12602            PackageParser.Package pkg = mPackages.get(packageName);
12603            if (pkg == null || pkg.applicationInfo.uid != uid) {
12604                if (mContext.checkCallingOrSelfPermission(
12605                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
12606                        != PackageManager.PERMISSION_GRANTED) {
12607                    if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid())
12608                            < Build.VERSION_CODES.FROYO) {
12609                        Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid "
12610                                + Binder.getCallingUid());
12611                        return;
12612                    }
12613                    mContext.enforceCallingOrSelfPermission(
12614                            android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
12615                }
12616            }
12617
12618            int user = UserHandle.getCallingUserId();
12619            if (clearPackagePreferredActivitiesLPw(packageName, user)) {
12620                scheduleWritePackageRestrictionsLocked(user);
12621            }
12622        }
12623    }
12624
12625    /** This method takes a specific user id as well as UserHandle.USER_ALL. */
12626    boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) {
12627        ArrayList<PreferredActivity> removed = null;
12628        boolean changed = false;
12629        for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
12630            final int thisUserId = mSettings.mPreferredActivities.keyAt(i);
12631            PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
12632            if (userId != UserHandle.USER_ALL && userId != thisUserId) {
12633                continue;
12634            }
12635            Iterator<PreferredActivity> it = pir.filterIterator();
12636            while (it.hasNext()) {
12637                PreferredActivity pa = it.next();
12638                // Mark entry for removal only if it matches the package name
12639                // and the entry is of type "always".
12640                if (packageName == null ||
12641                        (pa.mPref.mComponent.getPackageName().equals(packageName)
12642                                && pa.mPref.mAlways)) {
12643                    if (removed == null) {
12644                        removed = new ArrayList<PreferredActivity>();
12645                    }
12646                    removed.add(pa);
12647                }
12648            }
12649            if (removed != null) {
12650                for (int j=0; j<removed.size(); j++) {
12651                    PreferredActivity pa = removed.get(j);
12652                    pir.removeFilter(pa);
12653                }
12654                changed = true;
12655            }
12656        }
12657        return changed;
12658    }
12659
12660    /** This method takes a specific user id as well as UserHandle.USER_ALL. */
12661    void clearIntentFilterVerificationsLPw(String packageName, int userId) {
12662        if (userId == UserHandle.USER_ALL) {
12663            mSettings.removeIntentFilterVerificationLPw(packageName, sUserManager.getUserIds());
12664            for (int oneUserId : sUserManager.getUserIds()) {
12665                scheduleWritePackageRestrictionsLocked(oneUserId);
12666            }
12667        } else {
12668            mSettings.removeIntentFilterVerificationLPw(packageName, userId);
12669            scheduleWritePackageRestrictionsLocked(userId);
12670        }
12671    }
12672
12673    @Override
12674    public void resetPreferredActivities(int userId) {
12675        /* TODO: Actually use userId. Why is it being passed in? */
12676        mContext.enforceCallingOrSelfPermission(
12677                android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
12678        // writer
12679        synchronized (mPackages) {
12680            int user = UserHandle.getCallingUserId();
12681            clearPackagePreferredActivitiesLPw(null, user);
12682            mSettings.readDefaultPreferredAppsLPw(this, user);
12683            scheduleWritePackageRestrictionsLocked(user);
12684        }
12685    }
12686
12687    @Override
12688    public int getPreferredActivities(List<IntentFilter> outFilters,
12689            List<ComponentName> outActivities, String packageName) {
12690
12691        int num = 0;
12692        final int userId = UserHandle.getCallingUserId();
12693        // reader
12694        synchronized (mPackages) {
12695            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
12696            if (pir != null) {
12697                final Iterator<PreferredActivity> it = pir.filterIterator();
12698                while (it.hasNext()) {
12699                    final PreferredActivity pa = it.next();
12700                    if (packageName == null
12701                            || (pa.mPref.mComponent.getPackageName().equals(packageName)
12702                                    && pa.mPref.mAlways)) {
12703                        if (outFilters != null) {
12704                            outFilters.add(new IntentFilter(pa));
12705                        }
12706                        if (outActivities != null) {
12707                            outActivities.add(pa.mPref.mComponent);
12708                        }
12709                    }
12710                }
12711            }
12712        }
12713
12714        return num;
12715    }
12716
12717    @Override
12718    public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity,
12719            int userId) {
12720        int callingUid = Binder.getCallingUid();
12721        if (callingUid != Process.SYSTEM_UID) {
12722            throw new SecurityException(
12723                    "addPersistentPreferredActivity can only be run by the system");
12724        }
12725        if (filter.countActions() == 0) {
12726            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
12727            return;
12728        }
12729        synchronized (mPackages) {
12730            Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId +
12731                    " :");
12732            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
12733            mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter(
12734                    new PersistentPreferredActivity(filter, activity));
12735            scheduleWritePackageRestrictionsLocked(userId);
12736        }
12737    }
12738
12739    @Override
12740    public void clearPackagePersistentPreferredActivities(String packageName, int userId) {
12741        int callingUid = Binder.getCallingUid();
12742        if (callingUid != Process.SYSTEM_UID) {
12743            throw new SecurityException(
12744                    "clearPackagePersistentPreferredActivities can only be run by the system");
12745        }
12746        ArrayList<PersistentPreferredActivity> removed = null;
12747        boolean changed = false;
12748        synchronized (mPackages) {
12749            for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) {
12750                final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i);
12751                PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
12752                        .valueAt(i);
12753                if (userId != thisUserId) {
12754                    continue;
12755                }
12756                Iterator<PersistentPreferredActivity> it = ppir.filterIterator();
12757                while (it.hasNext()) {
12758                    PersistentPreferredActivity ppa = it.next();
12759                    // Mark entry for removal only if it matches the package name.
12760                    if (ppa.mComponent.getPackageName().equals(packageName)) {
12761                        if (removed == null) {
12762                            removed = new ArrayList<PersistentPreferredActivity>();
12763                        }
12764                        removed.add(ppa);
12765                    }
12766                }
12767                if (removed != null) {
12768                    for (int j=0; j<removed.size(); j++) {
12769                        PersistentPreferredActivity ppa = removed.get(j);
12770                        ppir.removeFilter(ppa);
12771                    }
12772                    changed = true;
12773                }
12774            }
12775
12776            if (changed) {
12777                scheduleWritePackageRestrictionsLocked(userId);
12778            }
12779        }
12780    }
12781
12782    /**
12783     * Non-Binder method, support for the backup/restore mechanism: write the
12784     * full set of preferred activities in its canonical XML format.  Returns true
12785     * on success; false otherwise.
12786     */
12787    @Override
12788    public byte[] getPreferredActivityBackup(int userId) {
12789        if (Binder.getCallingUid() != Process.SYSTEM_UID) {
12790            throw new SecurityException("Only the system may call getPreferredActivityBackup()");
12791        }
12792
12793        ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
12794        try {
12795            final XmlSerializer serializer = new FastXmlSerializer();
12796            serializer.setOutput(dataStream, "utf-8");
12797            serializer.startDocument(null, true);
12798            serializer.startTag(null, TAG_PREFERRED_BACKUP);
12799
12800            synchronized (mPackages) {
12801                mSettings.writePreferredActivitiesLPr(serializer, userId, true);
12802            }
12803
12804            serializer.endTag(null, TAG_PREFERRED_BACKUP);
12805            serializer.endDocument();
12806            serializer.flush();
12807        } catch (Exception e) {
12808            if (DEBUG_BACKUP) {
12809                Slog.e(TAG, "Unable to write preferred activities for backup", e);
12810            }
12811            return null;
12812        }
12813
12814        return dataStream.toByteArray();
12815    }
12816
12817    @Override
12818    public void restorePreferredActivities(byte[] backup, int userId) {
12819        if (Binder.getCallingUid() != Process.SYSTEM_UID) {
12820            throw new SecurityException("Only the system may call restorePreferredActivities()");
12821        }
12822
12823        try {
12824            final XmlPullParser parser = Xml.newPullParser();
12825            parser.setInput(new ByteArrayInputStream(backup), null);
12826
12827            int type;
12828            while ((type = parser.next()) != XmlPullParser.START_TAG
12829                    && type != XmlPullParser.END_DOCUMENT) {
12830            }
12831            if (type != XmlPullParser.START_TAG) {
12832                // oops didn't find a start tag?!
12833                if (DEBUG_BACKUP) {
12834                    Slog.e(TAG, "Didn't find start tag during restore");
12835                }
12836                return;
12837            }
12838
12839            // this is supposed to be TAG_PREFERRED_BACKUP
12840            if (!TAG_PREFERRED_BACKUP.equals(parser.getName())) {
12841                if (DEBUG_BACKUP) {
12842                    Slog.e(TAG, "Found unexpected tag " + parser.getName());
12843                }
12844                return;
12845            }
12846
12847            // skip interfering stuff, then we're aligned with the backing implementation
12848            while ((type = parser.next()) == XmlPullParser.TEXT) { }
12849            synchronized (mPackages) {
12850                mSettings.readPreferredActivitiesLPw(parser, userId);
12851            }
12852        } catch (Exception e) {
12853            if (DEBUG_BACKUP) {
12854                Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage());
12855            }
12856        }
12857    }
12858
12859    @Override
12860    public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage,
12861            int sourceUserId, int targetUserId, int flags) {
12862        mContext.enforceCallingOrSelfPermission(
12863                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
12864        int callingUid = Binder.getCallingUid();
12865        enforceOwnerRights(ownerPackage, callingUid);
12866        enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId);
12867        if (intentFilter.countActions() == 0) {
12868            Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions");
12869            return;
12870        }
12871        synchronized (mPackages) {
12872            CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter,
12873                    ownerPackage, targetUserId, flags);
12874            CrossProfileIntentResolver resolver =
12875                    mSettings.editCrossProfileIntentResolverLPw(sourceUserId);
12876            ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter);
12877            // We have all those whose filter is equal. Now checking if the rest is equal as well.
12878            if (existing != null) {
12879                int size = existing.size();
12880                for (int i = 0; i < size; i++) {
12881                    if (newFilter.equalsIgnoreFilter(existing.get(i))) {
12882                        return;
12883                    }
12884                }
12885            }
12886            resolver.addFilter(newFilter);
12887            scheduleWritePackageRestrictionsLocked(sourceUserId);
12888        }
12889    }
12890
12891    @Override
12892    public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) {
12893        mContext.enforceCallingOrSelfPermission(
12894                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
12895        int callingUid = Binder.getCallingUid();
12896        enforceOwnerRights(ownerPackage, callingUid);
12897        enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId);
12898        synchronized (mPackages) {
12899            CrossProfileIntentResolver resolver =
12900                    mSettings.editCrossProfileIntentResolverLPw(sourceUserId);
12901            ArraySet<CrossProfileIntentFilter> set =
12902                    new ArraySet<CrossProfileIntentFilter>(resolver.filterSet());
12903            for (CrossProfileIntentFilter filter : set) {
12904                if (filter.getOwnerPackage().equals(ownerPackage)) {
12905                    resolver.removeFilter(filter);
12906                }
12907            }
12908            scheduleWritePackageRestrictionsLocked(sourceUserId);
12909        }
12910    }
12911
12912    // Enforcing that callingUid is owning pkg on userId
12913    private void enforceOwnerRights(String pkg, int callingUid) {
12914        // The system owns everything.
12915        if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) {
12916            return;
12917        }
12918        int callingUserId = UserHandle.getUserId(callingUid);
12919        PackageInfo pi = getPackageInfo(pkg, 0, callingUserId);
12920        if (pi == null) {
12921            throw new IllegalArgumentException("Unknown package " + pkg + " on user "
12922                    + callingUserId);
12923        }
12924        if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) {
12925            throw new SecurityException("Calling uid " + callingUid
12926                    + " does not own package " + pkg);
12927        }
12928    }
12929
12930    @Override
12931    public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) {
12932        Intent intent = new Intent(Intent.ACTION_MAIN);
12933        intent.addCategory(Intent.CATEGORY_HOME);
12934
12935        final int callingUserId = UserHandle.getCallingUserId();
12936        List<ResolveInfo> list = queryIntentActivities(intent, null,
12937                PackageManager.GET_META_DATA, callingUserId);
12938        ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0,
12939                true, false, false, callingUserId);
12940
12941        allHomeCandidates.clear();
12942        if (list != null) {
12943            for (ResolveInfo ri : list) {
12944                allHomeCandidates.add(ri);
12945            }
12946        }
12947        return (preferred == null || preferred.activityInfo == null)
12948                ? null
12949                : new ComponentName(preferred.activityInfo.packageName,
12950                        preferred.activityInfo.name);
12951    }
12952
12953    @Override
12954    public void setApplicationEnabledSetting(String appPackageName,
12955            int newState, int flags, int userId, String callingPackage) {
12956        if (!sUserManager.exists(userId)) return;
12957        if (callingPackage == null) {
12958            callingPackage = Integer.toString(Binder.getCallingUid());
12959        }
12960        setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage);
12961    }
12962
12963    @Override
12964    public void setComponentEnabledSetting(ComponentName componentName,
12965            int newState, int flags, int userId) {
12966        if (!sUserManager.exists(userId)) return;
12967        setEnabledSetting(componentName.getPackageName(),
12968                componentName.getClassName(), newState, flags, userId, null);
12969    }
12970
12971    private void setEnabledSetting(final String packageName, String className, int newState,
12972            final int flags, int userId, String callingPackage) {
12973        if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT
12974              || newState == COMPONENT_ENABLED_STATE_ENABLED
12975              || newState == COMPONENT_ENABLED_STATE_DISABLED
12976              || newState == COMPONENT_ENABLED_STATE_DISABLED_USER
12977              || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) {
12978            throw new IllegalArgumentException("Invalid new component state: "
12979                    + newState);
12980        }
12981        PackageSetting pkgSetting;
12982        final int uid = Binder.getCallingUid();
12983        final int permission = mContext.checkCallingOrSelfPermission(
12984                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
12985        enforceCrossUserPermission(uid, userId, false, true, "set enabled");
12986        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
12987        boolean sendNow = false;
12988        boolean isApp = (className == null);
12989        String componentName = isApp ? packageName : className;
12990        int packageUid = -1;
12991        ArrayList<String> components;
12992
12993        // writer
12994        synchronized (mPackages) {
12995            pkgSetting = mSettings.mPackages.get(packageName);
12996            if (pkgSetting == null) {
12997                if (className == null) {
12998                    throw new IllegalArgumentException(
12999                            "Unknown package: " + packageName);
13000                }
13001                throw new IllegalArgumentException(
13002                        "Unknown component: " + packageName
13003                        + "/" + className);
13004            }
13005            // Allow root and verify that userId is not being specified by a different user
13006            if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) {
13007                throw new SecurityException(
13008                        "Permission Denial: attempt to change component state from pid="
13009                        + Binder.getCallingPid()
13010                        + ", uid=" + uid + ", package uid=" + pkgSetting.appId);
13011            }
13012            if (className == null) {
13013                // We're dealing with an application/package level state change
13014                if (pkgSetting.getEnabled(userId) == newState) {
13015                    // Nothing to do
13016                    return;
13017                }
13018                if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT
13019                    || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) {
13020                    // Don't care about who enables an app.
13021                    callingPackage = null;
13022                }
13023                pkgSetting.setEnabled(newState, userId, callingPackage);
13024                // pkgSetting.pkg.mSetEnabled = newState;
13025            } else {
13026                // We're dealing with a component level state change
13027                // First, verify that this is a valid class name.
13028                PackageParser.Package pkg = pkgSetting.pkg;
13029                if (pkg == null || !pkg.hasComponentClassName(className)) {
13030                    if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) {
13031                        throw new IllegalArgumentException("Component class " + className
13032                                + " does not exist in " + packageName);
13033                    } else {
13034                        Slog.w(TAG, "Failed setComponentEnabledSetting: component class "
13035                                + className + " does not exist in " + packageName);
13036                    }
13037                }
13038                switch (newState) {
13039                case COMPONENT_ENABLED_STATE_ENABLED:
13040                    if (!pkgSetting.enableComponentLPw(className, userId)) {
13041                        return;
13042                    }
13043                    break;
13044                case COMPONENT_ENABLED_STATE_DISABLED:
13045                    if (!pkgSetting.disableComponentLPw(className, userId)) {
13046                        return;
13047                    }
13048                    break;
13049                case COMPONENT_ENABLED_STATE_DEFAULT:
13050                    if (!pkgSetting.restoreComponentLPw(className, userId)) {
13051                        return;
13052                    }
13053                    break;
13054                default:
13055                    Slog.e(TAG, "Invalid new component state: " + newState);
13056                    return;
13057                }
13058            }
13059            scheduleWritePackageRestrictionsLocked(userId);
13060            components = mPendingBroadcasts.get(userId, packageName);
13061            final boolean newPackage = components == null;
13062            if (newPackage) {
13063                components = new ArrayList<String>();
13064            }
13065            if (!components.contains(componentName)) {
13066                components.add(componentName);
13067            }
13068            if ((flags&PackageManager.DONT_KILL_APP) == 0) {
13069                sendNow = true;
13070                // Purge entry from pending broadcast list if another one exists already
13071                // since we are sending one right away.
13072                mPendingBroadcasts.remove(userId, packageName);
13073            } else {
13074                if (newPackage) {
13075                    mPendingBroadcasts.put(userId, packageName, components);
13076                }
13077                if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) {
13078                    // Schedule a message
13079                    mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY);
13080                }
13081            }
13082        }
13083
13084        long callingId = Binder.clearCallingIdentity();
13085        try {
13086            if (sendNow) {
13087                packageUid = UserHandle.getUid(userId, pkgSetting.appId);
13088                sendPackageChangedBroadcast(packageName,
13089                        (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid);
13090            }
13091        } finally {
13092            Binder.restoreCallingIdentity(callingId);
13093        }
13094    }
13095
13096    private void sendPackageChangedBroadcast(String packageName,
13097            boolean killFlag, ArrayList<String> componentNames, int packageUid) {
13098        if (DEBUG_INSTALL)
13099            Log.v(TAG, "Sending package changed: package=" + packageName + " components="
13100                    + componentNames);
13101        Bundle extras = new Bundle(4);
13102        extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0));
13103        String nameList[] = new String[componentNames.size()];
13104        componentNames.toArray(nameList);
13105        extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList);
13106        extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag);
13107        extras.putInt(Intent.EXTRA_UID, packageUid);
13108        sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED,  packageName, extras, null, null,
13109                new int[] {UserHandle.getUserId(packageUid)});
13110    }
13111
13112    @Override
13113    public void setPackageStoppedState(String packageName, boolean stopped, int userId) {
13114        if (!sUserManager.exists(userId)) return;
13115        final int uid = Binder.getCallingUid();
13116        final int permission = mContext.checkCallingOrSelfPermission(
13117                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
13118        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
13119        enforceCrossUserPermission(uid, userId, true, true, "stop package");
13120        // writer
13121        synchronized (mPackages) {
13122            if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission,
13123                    uid, userId)) {
13124                scheduleWritePackageRestrictionsLocked(userId);
13125            }
13126        }
13127    }
13128
13129    @Override
13130    public String getInstallerPackageName(String packageName) {
13131        // reader
13132        synchronized (mPackages) {
13133            return mSettings.getInstallerPackageNameLPr(packageName);
13134        }
13135    }
13136
13137    @Override
13138    public int getApplicationEnabledSetting(String packageName, int userId) {
13139        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
13140        int uid = Binder.getCallingUid();
13141        enforceCrossUserPermission(uid, userId, false, false, "get enabled");
13142        // reader
13143        synchronized (mPackages) {
13144            return mSettings.getApplicationEnabledSettingLPr(packageName, userId);
13145        }
13146    }
13147
13148    @Override
13149    public int getComponentEnabledSetting(ComponentName componentName, int userId) {
13150        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
13151        int uid = Binder.getCallingUid();
13152        enforceCrossUserPermission(uid, userId, false, false, "get component enabled");
13153        // reader
13154        synchronized (mPackages) {
13155            return mSettings.getComponentEnabledSettingLPr(componentName, userId);
13156        }
13157    }
13158
13159    @Override
13160    public void enterSafeMode() {
13161        enforceSystemOrRoot("Only the system can request entering safe mode");
13162
13163        if (!mSystemReady) {
13164            mSafeMode = true;
13165        }
13166    }
13167
13168    @Override
13169    public void systemReady() {
13170        mSystemReady = true;
13171
13172        // Read the compatibilty setting when the system is ready.
13173        boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt(
13174                mContext.getContentResolver(),
13175                android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1;
13176        PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled);
13177        if (DEBUG_SETTINGS) {
13178            Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled);
13179        }
13180
13181        synchronized (mPackages) {
13182            // Verify that all of the preferred activity components actually
13183            // exist.  It is possible for applications to be updated and at
13184            // that point remove a previously declared activity component that
13185            // had been set as a preferred activity.  We try to clean this up
13186            // the next time we encounter that preferred activity, but it is
13187            // possible for the user flow to never be able to return to that
13188            // situation so here we do a sanity check to make sure we haven't
13189            // left any junk around.
13190            ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>();
13191            for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
13192                PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
13193                removed.clear();
13194                for (PreferredActivity pa : pir.filterSet()) {
13195                    if (mActivities.mActivities.get(pa.mPref.mComponent) == null) {
13196                        removed.add(pa);
13197                    }
13198                }
13199                if (removed.size() > 0) {
13200                    for (int r=0; r<removed.size(); r++) {
13201                        PreferredActivity pa = removed.get(r);
13202                        Slog.w(TAG, "Removing dangling preferred activity: "
13203                                + pa.mPref.mComponent);
13204                        pir.removeFilter(pa);
13205                    }
13206                    mSettings.writePackageRestrictionsLPr(
13207                            mSettings.mPreferredActivities.keyAt(i));
13208                }
13209            }
13210        }
13211        sUserManager.systemReady();
13212
13213        // Kick off any messages waiting for system ready
13214        if (mPostSystemReadyMessages != null) {
13215            for (Message msg : mPostSystemReadyMessages) {
13216                msg.sendToTarget();
13217            }
13218            mPostSystemReadyMessages = null;
13219        }
13220
13221        // Watch for external volumes that come and go over time
13222        final StorageManager storage = mContext.getSystemService(StorageManager.class);
13223        storage.registerListener(mStorageListener);
13224
13225        mInstallerService.systemReady();
13226    }
13227
13228    @Override
13229    public boolean isSafeMode() {
13230        return mSafeMode;
13231    }
13232
13233    @Override
13234    public boolean hasSystemUidErrors() {
13235        return mHasSystemUidErrors;
13236    }
13237
13238    static String arrayToString(int[] array) {
13239        StringBuffer buf = new StringBuffer(128);
13240        buf.append('[');
13241        if (array != null) {
13242            for (int i=0; i<array.length; i++) {
13243                if (i > 0) buf.append(", ");
13244                buf.append(array[i]);
13245            }
13246        }
13247        buf.append(']');
13248        return buf.toString();
13249    }
13250
13251    static class DumpState {
13252        public static final int DUMP_LIBS = 1 << 0;
13253        public static final int DUMP_FEATURES = 1 << 1;
13254        public static final int DUMP_RESOLVERS = 1 << 2;
13255        public static final int DUMP_PERMISSIONS = 1 << 3;
13256        public static final int DUMP_PACKAGES = 1 << 4;
13257        public static final int DUMP_SHARED_USERS = 1 << 5;
13258        public static final int DUMP_MESSAGES = 1 << 6;
13259        public static final int DUMP_PROVIDERS = 1 << 7;
13260        public static final int DUMP_VERIFIERS = 1 << 8;
13261        public static final int DUMP_PREFERRED = 1 << 9;
13262        public static final int DUMP_PREFERRED_XML = 1 << 10;
13263        public static final int DUMP_KEYSETS = 1 << 11;
13264        public static final int DUMP_VERSION = 1 << 12;
13265        public static final int DUMP_INSTALLS = 1 << 13;
13266        public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14;
13267        public static final int DUMP_DOMAIN_PREFERRED = 1 << 15;
13268
13269        public static final int OPTION_SHOW_FILTERS = 1 << 0;
13270
13271        private int mTypes;
13272
13273        private int mOptions;
13274
13275        private boolean mTitlePrinted;
13276
13277        private SharedUserSetting mSharedUser;
13278
13279        public boolean isDumping(int type) {
13280            if (mTypes == 0 && type != DUMP_PREFERRED_XML) {
13281                return true;
13282            }
13283
13284            return (mTypes & type) != 0;
13285        }
13286
13287        public void setDump(int type) {
13288            mTypes |= type;
13289        }
13290
13291        public boolean isOptionEnabled(int option) {
13292            return (mOptions & option) != 0;
13293        }
13294
13295        public void setOptionEnabled(int option) {
13296            mOptions |= option;
13297        }
13298
13299        public boolean onTitlePrinted() {
13300            final boolean printed = mTitlePrinted;
13301            mTitlePrinted = true;
13302            return printed;
13303        }
13304
13305        public boolean getTitlePrinted() {
13306            return mTitlePrinted;
13307        }
13308
13309        public void setTitlePrinted(boolean enabled) {
13310            mTitlePrinted = enabled;
13311        }
13312
13313        public SharedUserSetting getSharedUser() {
13314            return mSharedUser;
13315        }
13316
13317        public void setSharedUser(SharedUserSetting user) {
13318            mSharedUser = user;
13319        }
13320    }
13321
13322    @Override
13323    protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
13324        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
13325                != PackageManager.PERMISSION_GRANTED) {
13326            pw.println("Permission Denial: can't dump ActivityManager from from pid="
13327                    + Binder.getCallingPid()
13328                    + ", uid=" + Binder.getCallingUid()
13329                    + " without permission "
13330                    + android.Manifest.permission.DUMP);
13331            return;
13332        }
13333
13334        DumpState dumpState = new DumpState();
13335        boolean fullPreferred = false;
13336        boolean checkin = false;
13337
13338        String packageName = null;
13339
13340        int opti = 0;
13341        while (opti < args.length) {
13342            String opt = args[opti];
13343            if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') {
13344                break;
13345            }
13346            opti++;
13347
13348            if ("-a".equals(opt)) {
13349                // Right now we only know how to print all.
13350            } else if ("-h".equals(opt)) {
13351                pw.println("Package manager dump options:");
13352                pw.println("  [-h] [-f] [--checkin] [cmd] ...");
13353                pw.println("    --checkin: dump for a checkin");
13354                pw.println("    -f: print details of intent filters");
13355                pw.println("    -h: print this help");
13356                pw.println("  cmd may be one of:");
13357                pw.println("    l[ibraries]: list known shared libraries");
13358                pw.println("    f[ibraries]: list device features");
13359                pw.println("    k[eysets]: print known keysets");
13360                pw.println("    r[esolvers]: dump intent resolvers");
13361                pw.println("    perm[issions]: dump permissions");
13362                pw.println("    pref[erred]: print preferred package settings");
13363                pw.println("    preferred-xml [--full]: print preferred package settings as xml");
13364                pw.println("    prov[iders]: dump content providers");
13365                pw.println("    p[ackages]: dump installed packages");
13366                pw.println("    s[hared-users]: dump shared user IDs");
13367                pw.println("    m[essages]: print collected runtime messages");
13368                pw.println("    v[erifiers]: print package verifier info");
13369                pw.println("    version: print database version info");
13370                pw.println("    write: write current settings now");
13371                pw.println("    <package.name>: info about given package");
13372                pw.println("    installs: details about install sessions");
13373                pw.println("    d[omain-preferred-apps]: print domains preferred apps");
13374                pw.println("    i[ntent-filter-verifiers]|ifv: print intent filter verifier info");
13375                return;
13376            } else if ("--checkin".equals(opt)) {
13377                checkin = true;
13378            } else if ("-f".equals(opt)) {
13379                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
13380            } else {
13381                pw.println("Unknown argument: " + opt + "; use -h for help");
13382            }
13383        }
13384
13385        // Is the caller requesting to dump a particular piece of data?
13386        if (opti < args.length) {
13387            String cmd = args[opti];
13388            opti++;
13389            // Is this a package name?
13390            if ("android".equals(cmd) || cmd.contains(".")) {
13391                packageName = cmd;
13392                // When dumping a single package, we always dump all of its
13393                // filter information since the amount of data will be reasonable.
13394                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
13395            } else if ("l".equals(cmd) || "libraries".equals(cmd)) {
13396                dumpState.setDump(DumpState.DUMP_LIBS);
13397            } else if ("f".equals(cmd) || "features".equals(cmd)) {
13398                dumpState.setDump(DumpState.DUMP_FEATURES);
13399            } else if ("r".equals(cmd) || "resolvers".equals(cmd)) {
13400                dumpState.setDump(DumpState.DUMP_RESOLVERS);
13401            } else if ("perm".equals(cmd) || "permissions".equals(cmd)) {
13402                dumpState.setDump(DumpState.DUMP_PERMISSIONS);
13403            } else if ("pref".equals(cmd) || "preferred".equals(cmd)) {
13404                dumpState.setDump(DumpState.DUMP_PREFERRED);
13405            } else if ("preferred-xml".equals(cmd)) {
13406                dumpState.setDump(DumpState.DUMP_PREFERRED_XML);
13407                if (opti < args.length && "--full".equals(args[opti])) {
13408                    fullPreferred = true;
13409                    opti++;
13410                }
13411            } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) {
13412                dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED);
13413            } else if ("p".equals(cmd) || "packages".equals(cmd)) {
13414                dumpState.setDump(DumpState.DUMP_PACKAGES);
13415            } else if ("s".equals(cmd) || "shared-users".equals(cmd)) {
13416                dumpState.setDump(DumpState.DUMP_SHARED_USERS);
13417            } else if ("prov".equals(cmd) || "providers".equals(cmd)) {
13418                dumpState.setDump(DumpState.DUMP_PROVIDERS);
13419            } else if ("m".equals(cmd) || "messages".equals(cmd)) {
13420                dumpState.setDump(DumpState.DUMP_MESSAGES);
13421            } else if ("v".equals(cmd) || "verifiers".equals(cmd)) {
13422                dumpState.setDump(DumpState.DUMP_VERIFIERS);
13423            } else if ("i".equals(cmd) || "ifv".equals(cmd)
13424                    || "intent-filter-verifiers".equals(cmd)) {
13425                dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS);
13426            } else if ("version".equals(cmd)) {
13427                dumpState.setDump(DumpState.DUMP_VERSION);
13428            } else if ("k".equals(cmd) || "keysets".equals(cmd)) {
13429                dumpState.setDump(DumpState.DUMP_KEYSETS);
13430            } else if ("installs".equals(cmd)) {
13431                dumpState.setDump(DumpState.DUMP_INSTALLS);
13432            } else if ("write".equals(cmd)) {
13433                synchronized (mPackages) {
13434                    mSettings.writeLPr();
13435                    pw.println("Settings written.");
13436                    return;
13437                }
13438            }
13439        }
13440
13441        if (checkin) {
13442            pw.println("vers,1");
13443        }
13444
13445        // reader
13446        synchronized (mPackages) {
13447            if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) {
13448                if (!checkin) {
13449                    if (dumpState.onTitlePrinted())
13450                        pw.println();
13451                    pw.println("Database versions:");
13452                    pw.print("  SDK Version:");
13453                    pw.print(" internal=");
13454                    pw.print(mSettings.mInternalSdkPlatform);
13455                    pw.print(" external=");
13456                    pw.println(mSettings.mExternalSdkPlatform);
13457                    pw.print("  DB Version:");
13458                    pw.print(" internal=");
13459                    pw.print(mSettings.mInternalDatabaseVersion);
13460                    pw.print(" external=");
13461                    pw.println(mSettings.mExternalDatabaseVersion);
13462                }
13463            }
13464
13465            if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) {
13466                if (!checkin) {
13467                    if (dumpState.onTitlePrinted())
13468                        pw.println();
13469                    pw.println("Verifiers:");
13470                    pw.print("  Required: ");
13471                    pw.print(mRequiredVerifierPackage);
13472                    pw.print(" (uid=");
13473                    pw.print(getPackageUid(mRequiredVerifierPackage, 0));
13474                    pw.println(")");
13475                } else if (mRequiredVerifierPackage != null) {
13476                    pw.print("vrfy,"); pw.print(mRequiredVerifierPackage);
13477                    pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0));
13478                }
13479            }
13480
13481            if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) &&
13482                    packageName == null) {
13483                if (mIntentFilterVerifierComponent != null) {
13484                    String verifierPackageName = mIntentFilterVerifierComponent.getPackageName();
13485                    if (!checkin) {
13486                        if (dumpState.onTitlePrinted())
13487                            pw.println();
13488                        pw.println("Intent Filter Verifier:");
13489                        pw.print("  Using: ");
13490                        pw.print(verifierPackageName);
13491                        pw.print(" (uid=");
13492                        pw.print(getPackageUid(verifierPackageName, 0));
13493                        pw.println(")");
13494                    } else if (verifierPackageName != null) {
13495                        pw.print("ifv,"); pw.print(verifierPackageName);
13496                        pw.print(","); pw.println(getPackageUid(verifierPackageName, 0));
13497                    }
13498                } else {
13499                    pw.println();
13500                    pw.println("No Intent Filter Verifier available!");
13501                }
13502            }
13503
13504            if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) {
13505                boolean printedHeader = false;
13506                final Iterator<String> it = mSharedLibraries.keySet().iterator();
13507                while (it.hasNext()) {
13508                    String name = it.next();
13509                    SharedLibraryEntry ent = mSharedLibraries.get(name);
13510                    if (!checkin) {
13511                        if (!printedHeader) {
13512                            if (dumpState.onTitlePrinted())
13513                                pw.println();
13514                            pw.println("Libraries:");
13515                            printedHeader = true;
13516                        }
13517                        pw.print("  ");
13518                    } else {
13519                        pw.print("lib,");
13520                    }
13521                    pw.print(name);
13522                    if (!checkin) {
13523                        pw.print(" -> ");
13524                    }
13525                    if (ent.path != null) {
13526                        if (!checkin) {
13527                            pw.print("(jar) ");
13528                            pw.print(ent.path);
13529                        } else {
13530                            pw.print(",jar,");
13531                            pw.print(ent.path);
13532                        }
13533                    } else {
13534                        if (!checkin) {
13535                            pw.print("(apk) ");
13536                            pw.print(ent.apk);
13537                        } else {
13538                            pw.print(",apk,");
13539                            pw.print(ent.apk);
13540                        }
13541                    }
13542                    pw.println();
13543                }
13544            }
13545
13546            if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) {
13547                if (dumpState.onTitlePrinted())
13548                    pw.println();
13549                if (!checkin) {
13550                    pw.println("Features:");
13551                }
13552                Iterator<String> it = mAvailableFeatures.keySet().iterator();
13553                while (it.hasNext()) {
13554                    String name = it.next();
13555                    if (!checkin) {
13556                        pw.print("  ");
13557                    } else {
13558                        pw.print("feat,");
13559                    }
13560                    pw.println(name);
13561                }
13562            }
13563
13564            if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) {
13565                if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:"
13566                        : "Activity Resolver Table:", "  ", packageName,
13567                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
13568                    dumpState.setTitlePrinted(true);
13569                }
13570                if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:"
13571                        : "Receiver Resolver Table:", "  ", packageName,
13572                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
13573                    dumpState.setTitlePrinted(true);
13574                }
13575                if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:"
13576                        : "Service Resolver Table:", "  ", packageName,
13577                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
13578                    dumpState.setTitlePrinted(true);
13579                }
13580                if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:"
13581                        : "Provider Resolver Table:", "  ", packageName,
13582                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
13583                    dumpState.setTitlePrinted(true);
13584                }
13585            }
13586
13587            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) {
13588                for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
13589                    PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
13590                    int user = mSettings.mPreferredActivities.keyAt(i);
13591                    if (pir.dump(pw,
13592                            dumpState.getTitlePrinted()
13593                                ? "\nPreferred Activities User " + user + ":"
13594                                : "Preferred Activities User " + user + ":", "  ",
13595                            packageName, true, false)) {
13596                        dumpState.setTitlePrinted(true);
13597                    }
13598                }
13599            }
13600
13601            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) {
13602                pw.flush();
13603                FileOutputStream fout = new FileOutputStream(fd);
13604                BufferedOutputStream str = new BufferedOutputStream(fout);
13605                XmlSerializer serializer = new FastXmlSerializer();
13606                try {
13607                    serializer.setOutput(str, "utf-8");
13608                    serializer.startDocument(null, true);
13609                    serializer.setFeature(
13610                            "http://xmlpull.org/v1/doc/features.html#indent-output", true);
13611                    mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred);
13612                    serializer.endDocument();
13613                    serializer.flush();
13614                } catch (IllegalArgumentException e) {
13615                    pw.println("Failed writing: " + e);
13616                } catch (IllegalStateException e) {
13617                    pw.println("Failed writing: " + e);
13618                } catch (IOException e) {
13619                    pw.println("Failed writing: " + e);
13620                }
13621            }
13622
13623            if (!checkin && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED)) {
13624                pw.println();
13625                int count = mSettings.mPackages.size();
13626                if (count == 0) {
13627                    pw.println("No domain preferred apps!");
13628                    pw.println();
13629                } else {
13630                    final String prefix = "  ";
13631                    Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values();
13632                    if (allPackageSettings.size() == 0) {
13633                        pw.println("No domain preferred apps!");
13634                        pw.println();
13635                    } else {
13636                        pw.println("Domain preferred apps status:");
13637                        pw.println();
13638                        count = 0;
13639                        for (PackageSetting ps : allPackageSettings) {
13640                            IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo();
13641                            if (ivi == null || ivi.getPackageName() == null) continue;
13642                            pw.println(prefix + "Package Name: " + ivi.getPackageName());
13643                            pw.println(prefix + "Domains: " + ivi.getDomainsString());
13644                            pw.println(prefix + "Status: " + ivi.getStatusString());
13645                            pw.println();
13646                            count++;
13647                        }
13648                        if (count == 0) {
13649                            pw.println(prefix + "No domain preferred app status!");
13650                            pw.println();
13651                        }
13652                        for (int userId : sUserManager.getUserIds()) {
13653                            pw.println("Domain preferred apps for User " + userId + ":");
13654                            pw.println();
13655                            count = 0;
13656                            for (PackageSetting ps : allPackageSettings) {
13657                                IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo();
13658                                if (ivi == null || ivi.getPackageName() == null) {
13659                                    continue;
13660                                }
13661                                final int status = ps.getDomainVerificationStatusForUser(userId);
13662                                if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) {
13663                                    continue;
13664                                }
13665                                pw.println(prefix + "Package Name: " + ivi.getPackageName());
13666                                pw.println(prefix + "Domains: " + ivi.getDomainsString());
13667                                String statusStr = IntentFilterVerificationInfo.
13668                                        getStatusStringFromValue(status);
13669                                pw.println(prefix + "Status: " + statusStr);
13670                                pw.println();
13671                                count++;
13672                            }
13673                            if (count == 0) {
13674                                pw.println(prefix + "No domain preferred apps!");
13675                                pw.println();
13676                            }
13677                        }
13678                    }
13679                }
13680            }
13681
13682            if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) {
13683                mSettings.dumpPermissionsLPr(pw, packageName, dumpState);
13684                if (packageName == null) {
13685                    for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) {
13686                        if (iperm == 0) {
13687                            if (dumpState.onTitlePrinted())
13688                                pw.println();
13689                            pw.println("AppOp Permissions:");
13690                        }
13691                        pw.print("  AppOp Permission ");
13692                        pw.print(mAppOpPermissionPackages.keyAt(iperm));
13693                        pw.println(":");
13694                        ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm);
13695                        for (int ipkg=0; ipkg<pkgs.size(); ipkg++) {
13696                            pw.print("    "); pw.println(pkgs.valueAt(ipkg));
13697                        }
13698                    }
13699                }
13700            }
13701
13702            if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) {
13703                boolean printedSomething = false;
13704                for (PackageParser.Provider p : mProviders.mProviders.values()) {
13705                    if (packageName != null && !packageName.equals(p.info.packageName)) {
13706                        continue;
13707                    }
13708                    if (!printedSomething) {
13709                        if (dumpState.onTitlePrinted())
13710                            pw.println();
13711                        pw.println("Registered ContentProviders:");
13712                        printedSomething = true;
13713                    }
13714                    pw.print("  "); p.printComponentShortName(pw); pw.println(":");
13715                    pw.print("    "); pw.println(p.toString());
13716                }
13717                printedSomething = false;
13718                for (Map.Entry<String, PackageParser.Provider> entry :
13719                        mProvidersByAuthority.entrySet()) {
13720                    PackageParser.Provider p = entry.getValue();
13721                    if (packageName != null && !packageName.equals(p.info.packageName)) {
13722                        continue;
13723                    }
13724                    if (!printedSomething) {
13725                        if (dumpState.onTitlePrinted())
13726                            pw.println();
13727                        pw.println("ContentProvider Authorities:");
13728                        printedSomething = true;
13729                    }
13730                    pw.print("  ["); pw.print(entry.getKey()); pw.println("]:");
13731                    pw.print("    "); pw.println(p.toString());
13732                    if (p.info != null && p.info.applicationInfo != null) {
13733                        final String appInfo = p.info.applicationInfo.toString();
13734                        pw.print("      applicationInfo="); pw.println(appInfo);
13735                    }
13736                }
13737            }
13738
13739            if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) {
13740                mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState);
13741            }
13742
13743            if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) {
13744                mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin);
13745            }
13746
13747            if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) {
13748                mSettings.dumpSharedUsersLPr(pw, packageName, dumpState, checkin);
13749            }
13750
13751            if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) {
13752                // XXX should handle packageName != null by dumping only install data that
13753                // the given package is involved with.
13754                if (dumpState.onTitlePrinted()) pw.println();
13755                mInstallerService.dump(new IndentingPrintWriter(pw, "  ", 120));
13756            }
13757
13758            if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) {
13759                if (dumpState.onTitlePrinted()) pw.println();
13760                mSettings.dumpReadMessagesLPr(pw, dumpState);
13761
13762                pw.println();
13763                pw.println("Package warning messages:");
13764                BufferedReader in = null;
13765                String line = null;
13766                try {
13767                    in = new BufferedReader(new FileReader(getSettingsProblemFile()));
13768                    while ((line = in.readLine()) != null) {
13769                        if (line.contains("ignored: updated version")) continue;
13770                        pw.println(line);
13771                    }
13772                } catch (IOException ignored) {
13773                } finally {
13774                    IoUtils.closeQuietly(in);
13775                }
13776            }
13777
13778            if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) {
13779                BufferedReader in = null;
13780                String line = null;
13781                try {
13782                    in = new BufferedReader(new FileReader(getSettingsProblemFile()));
13783                    while ((line = in.readLine()) != null) {
13784                        if (line.contains("ignored: updated version")) continue;
13785                        pw.print("msg,");
13786                        pw.println(line);
13787                    }
13788                } catch (IOException ignored) {
13789                } finally {
13790                    IoUtils.closeQuietly(in);
13791                }
13792            }
13793        }
13794    }
13795
13796    // ------- apps on sdcard specific code -------
13797    static final boolean DEBUG_SD_INSTALL = false;
13798
13799    private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD";
13800
13801    private static final String SD_ENCRYPTION_ALGORITHM = "AES";
13802
13803    private boolean mMediaMounted = false;
13804
13805    static String getEncryptKey() {
13806        try {
13807            String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString(
13808                    SD_ENCRYPTION_KEYSTORE_NAME);
13809            if (sdEncKey == null) {
13810                sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128,
13811                        SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME);
13812                if (sdEncKey == null) {
13813                    Slog.e(TAG, "Failed to create encryption keys");
13814                    return null;
13815                }
13816            }
13817            return sdEncKey;
13818        } catch (NoSuchAlgorithmException nsae) {
13819            Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae);
13820            return null;
13821        } catch (IOException ioe) {
13822            Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe);
13823            return null;
13824        }
13825    }
13826
13827    /*
13828     * Update media status on PackageManager.
13829     */
13830    @Override
13831    public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) {
13832        int callingUid = Binder.getCallingUid();
13833        if (callingUid != 0 && callingUid != Process.SYSTEM_UID) {
13834            throw new SecurityException("Media status can only be updated by the system");
13835        }
13836        // reader; this apparently protects mMediaMounted, but should probably
13837        // be a different lock in that case.
13838        synchronized (mPackages) {
13839            Log.i(TAG, "Updating external media status from "
13840                    + (mMediaMounted ? "mounted" : "unmounted") + " to "
13841                    + (mediaStatus ? "mounted" : "unmounted"));
13842            if (DEBUG_SD_INSTALL)
13843                Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus
13844                        + ", mMediaMounted=" + mMediaMounted);
13845            if (mediaStatus == mMediaMounted) {
13846                final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1
13847                        : 0, -1);
13848                mHandler.sendMessage(msg);
13849                return;
13850            }
13851            mMediaMounted = mediaStatus;
13852        }
13853        // Queue up an async operation since the package installation may take a
13854        // little while.
13855        mHandler.post(new Runnable() {
13856            public void run() {
13857                updateExternalMediaStatusInner(mediaStatus, reportStatus, true);
13858            }
13859        });
13860    }
13861
13862    /**
13863     * Called by MountService when the initial ASECs to scan are available.
13864     * Should block until all the ASEC containers are finished being scanned.
13865     */
13866    public void scanAvailableAsecs() {
13867        updateExternalMediaStatusInner(true, false, false);
13868        if (mShouldRestoreconData) {
13869            SELinuxMMAC.setRestoreconDone();
13870            mShouldRestoreconData = false;
13871        }
13872    }
13873
13874    /*
13875     * Collect information of applications on external media, map them against
13876     * existing containers and update information based on current mount status.
13877     * Please note that we always have to report status if reportStatus has been
13878     * set to true especially when unloading packages.
13879     */
13880    private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus,
13881            boolean externalStorage) {
13882        ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>();
13883        int[] uidArr = EmptyArray.INT;
13884
13885        final String[] list = PackageHelper.getSecureContainerList();
13886        if (ArrayUtils.isEmpty(list)) {
13887            Log.i(TAG, "No secure containers found");
13888        } else {
13889            // Process list of secure containers and categorize them
13890            // as active or stale based on their package internal state.
13891
13892            // reader
13893            synchronized (mPackages) {
13894                for (String cid : list) {
13895                    // Leave stages untouched for now; installer service owns them
13896                    if (PackageInstallerService.isStageName(cid)) continue;
13897
13898                    if (DEBUG_SD_INSTALL)
13899                        Log.i(TAG, "Processing container " + cid);
13900                    String pkgName = getAsecPackageName(cid);
13901                    if (pkgName == null) {
13902                        Slog.i(TAG, "Found stale container " + cid + " with no package name");
13903                        continue;
13904                    }
13905                    if (DEBUG_SD_INSTALL)
13906                        Log.i(TAG, "Looking for pkg : " + pkgName);
13907
13908                    final PackageSetting ps = mSettings.mPackages.get(pkgName);
13909                    if (ps == null) {
13910                        Slog.i(TAG, "Found stale container " + cid + " with no matching settings");
13911                        continue;
13912                    }
13913
13914                    /*
13915                     * Skip packages that are not external if we're unmounting
13916                     * external storage.
13917                     */
13918                    if (externalStorage && !isMounted && !isExternal(ps)) {
13919                        continue;
13920                    }
13921
13922                    final AsecInstallArgs args = new AsecInstallArgs(cid,
13923                            getAppDexInstructionSets(ps), ps.isForwardLocked());
13924                    // The package status is changed only if the code path
13925                    // matches between settings and the container id.
13926                    if (ps.codePathString != null
13927                            && ps.codePathString.startsWith(args.getCodePath())) {
13928                        if (DEBUG_SD_INSTALL) {
13929                            Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName
13930                                    + " at code path: " + ps.codePathString);
13931                        }
13932
13933                        // We do have a valid package installed on sdcard
13934                        processCids.put(args, ps.codePathString);
13935                        final int uid = ps.appId;
13936                        if (uid != -1) {
13937                            uidArr = ArrayUtils.appendInt(uidArr, uid);
13938                        }
13939                    } else {
13940                        Slog.i(TAG, "Found stale container " + cid + ": expected codePath="
13941                                + ps.codePathString);
13942                    }
13943                }
13944            }
13945
13946            Arrays.sort(uidArr);
13947        }
13948
13949        // Process packages with valid entries.
13950        if (isMounted) {
13951            if (DEBUG_SD_INSTALL)
13952                Log.i(TAG, "Loading packages");
13953            loadMediaPackages(processCids, uidArr);
13954            startCleaningPackages();
13955            mInstallerService.onSecureContainersAvailable();
13956        } else {
13957            if (DEBUG_SD_INSTALL)
13958                Log.i(TAG, "Unloading packages");
13959            unloadMediaPackages(processCids, uidArr, reportStatus);
13960        }
13961    }
13962
13963    private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
13964            ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) {
13965        final int size = infos.size();
13966        final String[] packageNames = new String[size];
13967        final int[] packageUids = new int[size];
13968        for (int i = 0; i < size; i++) {
13969            final ApplicationInfo info = infos.get(i);
13970            packageNames[i] = info.packageName;
13971            packageUids[i] = info.uid;
13972        }
13973        sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids,
13974                finishedReceiver);
13975    }
13976
13977    private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
13978            ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) {
13979        sendResourcesChangedBroadcast(mediaStatus, replacing,
13980                pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver);
13981    }
13982
13983    private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
13984            String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) {
13985        int size = pkgList.length;
13986        if (size > 0) {
13987            // Send broadcasts here
13988            Bundle extras = new Bundle();
13989            extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList);
13990            if (uidArr != null) {
13991                extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr);
13992            }
13993            if (replacing) {
13994                extras.putBoolean(Intent.EXTRA_REPLACING, replacing);
13995            }
13996            String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE
13997                    : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE;
13998            sendPackageBroadcast(action, null, extras, null, finishedReceiver, null);
13999        }
14000    }
14001
14002   /*
14003     * Look at potentially valid container ids from processCids If package
14004     * information doesn't match the one on record or package scanning fails,
14005     * the cid is added to list of removeCids. We currently don't delete stale
14006     * containers.
14007     */
14008    private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) {
14009        ArrayList<String> pkgList = new ArrayList<String>();
14010        Set<AsecInstallArgs> keys = processCids.keySet();
14011
14012        for (AsecInstallArgs args : keys) {
14013            String codePath = processCids.get(args);
14014            if (DEBUG_SD_INSTALL)
14015                Log.i(TAG, "Loading container : " + args.cid);
14016            int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
14017            try {
14018                // Make sure there are no container errors first.
14019                if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) {
14020                    Slog.e(TAG, "Failed to mount cid : " + args.cid
14021                            + " when installing from sdcard");
14022                    continue;
14023                }
14024                // Check code path here.
14025                if (codePath == null || !codePath.startsWith(args.getCodePath())) {
14026                    Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath()
14027                            + " does not match one in settings " + codePath);
14028                    continue;
14029                }
14030                // Parse package
14031                int parseFlags = mDefParseFlags;
14032                if (args.isExternalAsec()) {
14033                    parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE;
14034                }
14035                if (args.isFwdLocked()) {
14036                    parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
14037                }
14038
14039                synchronized (mInstallLock) {
14040                    PackageParser.Package pkg = null;
14041                    try {
14042                        pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null);
14043                    } catch (PackageManagerException e) {
14044                        Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage());
14045                    }
14046                    // Scan the package
14047                    if (pkg != null) {
14048                        /*
14049                         * TODO why is the lock being held? doPostInstall is
14050                         * called in other places without the lock. This needs
14051                         * to be straightened out.
14052                         */
14053                        // writer
14054                        synchronized (mPackages) {
14055                            retCode = PackageManager.INSTALL_SUCCEEDED;
14056                            pkgList.add(pkg.packageName);
14057                            // Post process args
14058                            args.doPostInstall(PackageManager.INSTALL_SUCCEEDED,
14059                                    pkg.applicationInfo.uid);
14060                        }
14061                    } else {
14062                        Slog.i(TAG, "Failed to install pkg from  " + codePath + " from sdcard");
14063                    }
14064                }
14065
14066            } finally {
14067                if (retCode != PackageManager.INSTALL_SUCCEEDED) {
14068                    Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode);
14069                }
14070            }
14071        }
14072        // writer
14073        synchronized (mPackages) {
14074            // If the platform SDK has changed since the last time we booted,
14075            // we need to re-grant app permission to catch any new ones that
14076            // appear. This is really a hack, and means that apps can in some
14077            // cases get permissions that the user didn't initially explicitly
14078            // allow... it would be nice to have some better way to handle
14079            // this situation.
14080            final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion;
14081            if (regrantPermissions)
14082                Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to "
14083                        + mSdkVersion + "; regranting permissions for external storage");
14084            mSettings.mExternalSdkPlatform = mSdkVersion;
14085
14086            // Make sure group IDs have been assigned, and any permission
14087            // changes in other apps are accounted for
14088            updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
14089                    | (regrantPermissions
14090                            ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
14091                            : 0));
14092
14093            mSettings.updateExternalDatabaseVersion();
14094
14095            // can downgrade to reader
14096            // Persist settings
14097            mSettings.writeLPr();
14098        }
14099        // Send a broadcast to let everyone know we are done processing
14100        if (pkgList.size() > 0) {
14101            sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null);
14102        }
14103    }
14104
14105   /*
14106     * Utility method to unload a list of specified containers
14107     */
14108    private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) {
14109        // Just unmount all valid containers.
14110        for (AsecInstallArgs arg : cidArgs) {
14111            synchronized (mInstallLock) {
14112                arg.doPostDeleteLI(false);
14113           }
14114       }
14115   }
14116
14117    /*
14118     * Unload packages mounted on external media. This involves deleting package
14119     * data from internal structures, sending broadcasts about diabled packages,
14120     * gc'ing to free up references, unmounting all secure containers
14121     * corresponding to packages on external media, and posting a
14122     * UPDATED_MEDIA_STATUS message if status has been requested. Please note
14123     * that we always have to post this message if status has been requested no
14124     * matter what.
14125     */
14126    private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[],
14127            final boolean reportStatus) {
14128        if (DEBUG_SD_INSTALL)
14129            Log.i(TAG, "unloading media packages");
14130        ArrayList<String> pkgList = new ArrayList<String>();
14131        ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>();
14132        final Set<AsecInstallArgs> keys = processCids.keySet();
14133        for (AsecInstallArgs args : keys) {
14134            String pkgName = args.getPackageName();
14135            if (DEBUG_SD_INSTALL)
14136                Log.i(TAG, "Trying to unload pkg : " + pkgName);
14137            // Delete package internally
14138            PackageRemovedInfo outInfo = new PackageRemovedInfo();
14139            synchronized (mInstallLock) {
14140                boolean res = deletePackageLI(pkgName, null, false, null, null,
14141                        PackageManager.DELETE_KEEP_DATA, outInfo, false);
14142                if (res) {
14143                    pkgList.add(pkgName);
14144                } else {
14145                    Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName);
14146                    failedList.add(args);
14147                }
14148            }
14149        }
14150
14151        // reader
14152        synchronized (mPackages) {
14153            // We didn't update the settings after removing each package;
14154            // write them now for all packages.
14155            mSettings.writeLPr();
14156        }
14157
14158        // We have to absolutely send UPDATED_MEDIA_STATUS only
14159        // after confirming that all the receivers processed the ordered
14160        // broadcast when packages get disabled, force a gc to clean things up.
14161        // and unload all the containers.
14162        if (pkgList.size() > 0) {
14163            sendResourcesChangedBroadcast(false, false, pkgList, uidArr,
14164                    new IIntentReceiver.Stub() {
14165                public void performReceive(Intent intent, int resultCode, String data,
14166                        Bundle extras, boolean ordered, boolean sticky,
14167                        int sendingUser) throws RemoteException {
14168                    Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
14169                            reportStatus ? 1 : 0, 1, keys);
14170                    mHandler.sendMessage(msg);
14171                }
14172            });
14173        } else {
14174            Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1,
14175                    keys);
14176            mHandler.sendMessage(msg);
14177        }
14178    }
14179
14180    private void loadPrivatePackages(VolumeInfo vol) {
14181        final ArrayList<ApplicationInfo> loaded = new ArrayList<>();
14182        final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE;
14183        synchronized (mPackages) {
14184            final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid);
14185            for (PackageSetting ps : packages) {
14186                synchronized (mInstallLock) {
14187                    final PackageParser.Package pkg;
14188                    try {
14189                        pkg = scanPackageLI(ps.codePath, parseFlags, 0, 0, null);
14190                        loaded.add(pkg.applicationInfo);
14191                    } catch (PackageManagerException e) {
14192                        Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage());
14193                    }
14194                }
14195            }
14196
14197            // TODO: regrant any permissions that changed based since original install
14198
14199            mSettings.writeLPr();
14200        }
14201
14202        Slog.d(TAG, "Loaded packages " + loaded);
14203        sendResourcesChangedBroadcast(true, false, loaded, null);
14204    }
14205
14206    private void unloadPrivatePackages(VolumeInfo vol) {
14207        final ArrayList<ApplicationInfo> unloaded = new ArrayList<>();
14208        synchronized (mPackages) {
14209            final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid);
14210            for (PackageSetting ps : packages) {
14211                if (ps.pkg == null) continue;
14212                synchronized (mInstallLock) {
14213                    final ApplicationInfo info = ps.pkg.applicationInfo;
14214                    final PackageRemovedInfo outInfo = new PackageRemovedInfo();
14215                    if (deletePackageLI(ps.name, null, false, null, null,
14216                            PackageManager.DELETE_KEEP_DATA, outInfo, false)) {
14217                        unloaded.add(info);
14218                    } else {
14219                        Slog.w(TAG, "Failed to unload " + ps.codePath);
14220                    }
14221                }
14222            }
14223
14224            mSettings.writeLPr();
14225        }
14226
14227        Slog.d(TAG, "Unloaded packages " + unloaded);
14228        sendResourcesChangedBroadcast(false, false, unloaded, null);
14229    }
14230
14231    private void unfreezePackage(String packageName) {
14232        synchronized (mPackages) {
14233            final PackageSetting ps = mSettings.mPackages.get(packageName);
14234            if (ps != null) {
14235                ps.frozen = false;
14236            }
14237        }
14238    }
14239
14240    @Override
14241    public int movePackage(final String packageName, final String volumeUuid) {
14242        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
14243
14244        final int moveId = mNextMoveId.getAndIncrement();
14245        try {
14246            movePackageInternal(packageName, volumeUuid, moveId);
14247        } catch (PackageManagerException e) {
14248            Slog.d(TAG, "Failed to move " + packageName, e);
14249            mMoveCallbacks.notifyStatusChanged(moveId,
14250                    PackageManager.MOVE_FAILED_INTERNAL_ERROR);
14251        }
14252        return moveId;
14253    }
14254
14255    private void movePackageInternal(final String packageName, final String volumeUuid,
14256            final int moveId) throws PackageManagerException {
14257        final UserHandle user = new UserHandle(UserHandle.getCallingUserId());
14258        final PackageManager pm = mContext.getPackageManager();
14259
14260        final boolean currentAsec;
14261        final String currentVolumeUuid;
14262        final File codeFile;
14263        final String installerPackageName;
14264        final String packageAbiOverride;
14265        final int appId;
14266        final String seinfo;
14267        final String label;
14268
14269        // reader
14270        synchronized (mPackages) {
14271            final PackageParser.Package pkg = mPackages.get(packageName);
14272            final PackageSetting ps = mSettings.mPackages.get(packageName);
14273            if (pkg == null || ps == null) {
14274                throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package");
14275            }
14276
14277            if (pkg.applicationInfo.isSystemApp()) {
14278                throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE,
14279                        "Cannot move system application");
14280            }
14281
14282            if (Objects.equals(ps.volumeUuid, volumeUuid)) {
14283                throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
14284                        "Package already moved to " + volumeUuid);
14285            }
14286
14287            if (ps.frozen) {
14288                throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING,
14289                        "Failed to move already frozen package");
14290            }
14291
14292            ps.frozen = true;
14293
14294            currentAsec = pkg.applicationInfo.isForwardLocked()
14295                    || pkg.applicationInfo.isExternalAsec();
14296            currentVolumeUuid = ps.volumeUuid;
14297            codeFile = new File(pkg.codePath);
14298            installerPackageName = ps.installerPackageName;
14299            packageAbiOverride = ps.cpuAbiOverrideString;
14300            appId = UserHandle.getAppId(pkg.applicationInfo.uid);
14301            seinfo = pkg.applicationInfo.seinfo;
14302            label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo));
14303        }
14304
14305        // Now that we're guarded by frozen state, kill app during upgrade
14306        killApplication(packageName, appId, "move pkg");
14307
14308        final Bundle extras = new Bundle();
14309        extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName);
14310        extras.putString(Intent.EXTRA_TITLE, label);
14311        mMoveCallbacks.notifyCreated(moveId, extras);
14312
14313        int installFlags;
14314        final boolean moveData;
14315
14316        if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) {
14317            installFlags = INSTALL_INTERNAL;
14318            moveData = !currentAsec;
14319        } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) {
14320            installFlags = INSTALL_EXTERNAL;
14321            moveData = false;
14322        } else {
14323            final StorageManager storage = mContext.getSystemService(StorageManager.class);
14324            final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid);
14325            if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE
14326                    || !volume.isMountedWritable()) {
14327                unfreezePackage(packageName);
14328                throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
14329                        "Move location not mounted private volume");
14330            }
14331
14332            Preconditions.checkState(!currentAsec);
14333
14334            installFlags = INSTALL_INTERNAL;
14335            moveData = true;
14336        }
14337
14338        Slog.d(TAG, "Moving " + packageName + " from " + currentVolumeUuid + " to " + volumeUuid);
14339        mMoveCallbacks.notifyStatusChanged(moveId, 10);
14340
14341        if (moveData) {
14342            synchronized (mInstallLock) {
14343                // TODO: split this into separate copy and delete operations
14344                if (mInstaller.moveUserDataDirs(currentVolumeUuid, volumeUuid, packageName, appId,
14345                        seinfo) != 0) {
14346                    unfreezePackage(packageName);
14347                    throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
14348                            "Failed to move private data to " + volumeUuid);
14349                }
14350            }
14351        }
14352
14353        mMoveCallbacks.notifyStatusChanged(moveId, 50);
14354
14355        final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() {
14356            @Override
14357            public void onUserActionRequired(Intent intent) throws RemoteException {
14358                throw new IllegalStateException();
14359            }
14360
14361            @Override
14362            public void onPackageInstalled(String basePackageName, int returnCode, String msg,
14363                    Bundle extras) throws RemoteException {
14364                Slog.d(TAG, "Install result for move: "
14365                        + PackageManager.installStatusToString(returnCode, msg));
14366
14367                // Regardless of success or failure of the move operation,
14368                // always unfreeze the package
14369                unfreezePackage(packageName);
14370
14371                final int status = PackageManager.installStatusToPublicStatus(returnCode);
14372                switch (status) {
14373                    case PackageInstaller.STATUS_SUCCESS:
14374                        mMoveCallbacks.notifyStatusChanged(moveId,
14375                                PackageManager.MOVE_SUCCEEDED);
14376                        break;
14377                    case PackageInstaller.STATUS_FAILURE_STORAGE:
14378                        mMoveCallbacks.notifyStatusChanged(moveId,
14379                                PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE);
14380                        break;
14381                    default:
14382                        mMoveCallbacks.notifyStatusChanged(moveId,
14383                                PackageManager.MOVE_FAILED_INTERNAL_ERROR);
14384                        break;
14385                }
14386            }
14387        };
14388
14389        // Treat a move like reinstalling an existing app, which ensures that we
14390        // process everythign uniformly, like unpacking native libraries.
14391        installFlags |= PackageManager.INSTALL_REPLACE_EXISTING;
14392
14393        final Message msg = mHandler.obtainMessage(INIT_COPY);
14394        final OriginInfo origin = OriginInfo.fromExistingFile(codeFile);
14395        msg.obj = new InstallParams(origin, installObserver, installFlags,
14396                installerPackageName, volumeUuid, null, user, packageAbiOverride);
14397        mHandler.sendMessage(msg);
14398    }
14399
14400    @Override
14401    public int movePrimaryStorage(String volumeUuid) throws RemoteException {
14402        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
14403
14404        final int realMoveId = mNextMoveId.getAndIncrement();
14405        final Bundle extras = new Bundle();
14406        extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid);
14407        mMoveCallbacks.notifyCreated(realMoveId, extras);
14408
14409        final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() {
14410            @Override
14411            public void onCreated(int moveId, Bundle extras) {
14412                // Ignored
14413            }
14414
14415            @Override
14416            public void onStatusChanged(int moveId, int status, long estMillis) {
14417                mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis);
14418            }
14419        };
14420
14421        final StorageManager storage = mContext.getSystemService(StorageManager.class);
14422        storage.setPrimaryStorageUuid(volumeUuid, callback);
14423        return realMoveId;
14424    }
14425
14426    @Override
14427    public int getMoveStatus(int moveId) {
14428        mContext.enforceCallingOrSelfPermission(
14429                android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null);
14430        return mMoveCallbacks.mLastStatus.get(moveId);
14431    }
14432
14433    @Override
14434    public void registerMoveCallback(IPackageMoveObserver callback) {
14435        mContext.enforceCallingOrSelfPermission(
14436                android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null);
14437        mMoveCallbacks.register(callback);
14438    }
14439
14440    @Override
14441    public void unregisterMoveCallback(IPackageMoveObserver callback) {
14442        mContext.enforceCallingOrSelfPermission(
14443                android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null);
14444        mMoveCallbacks.unregister(callback);
14445    }
14446
14447    @Override
14448    public boolean setInstallLocation(int loc) {
14449        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS,
14450                null);
14451        if (getInstallLocation() == loc) {
14452            return true;
14453        }
14454        if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL
14455                || loc == PackageHelper.APP_INSTALL_EXTERNAL) {
14456            android.provider.Settings.Global.putInt(mContext.getContentResolver(),
14457                    android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc);
14458            return true;
14459        }
14460        return false;
14461   }
14462
14463    @Override
14464    public int getInstallLocation() {
14465        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
14466                android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION,
14467                PackageHelper.APP_INSTALL_AUTO);
14468    }
14469
14470    /** Called by UserManagerService */
14471    void cleanUpUserLILPw(UserManagerService userManager, int userHandle) {
14472        mDirtyUsers.remove(userHandle);
14473        mSettings.removeUserLPw(userHandle);
14474        mPendingBroadcasts.remove(userHandle);
14475        if (mInstaller != null) {
14476            // Technically, we shouldn't be doing this with the package lock
14477            // held.  However, this is very rare, and there is already so much
14478            // other disk I/O going on, that we'll let it slide for now.
14479            final StorageManager storage = StorageManager.from(mContext);
14480            final List<VolumeInfo> vols = storage.getVolumes();
14481            for (VolumeInfo vol : vols) {
14482                if (vol.getType() == VolumeInfo.TYPE_PRIVATE && vol.isMountedWritable()) {
14483                    final String volumeUuid = vol.getFsUuid();
14484                    Slog.d(TAG, "Removing user data on volume " + volumeUuid);
14485                    mInstaller.removeUserDataDirs(volumeUuid, userHandle);
14486                }
14487            }
14488        }
14489        mUserNeedsBadging.delete(userHandle);
14490        removeUnusedPackagesLILPw(userManager, userHandle);
14491    }
14492
14493    /**
14494     * We're removing userHandle and would like to remove any downloaded packages
14495     * that are no longer in use by any other user.
14496     * @param userHandle the user being removed
14497     */
14498    private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) {
14499        final boolean DEBUG_CLEAN_APKS = false;
14500        int [] users = userManager.getUserIdsLPr();
14501        Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
14502        while (psit.hasNext()) {
14503            PackageSetting ps = psit.next();
14504            if (ps.pkg == null) {
14505                continue;
14506            }
14507            final String packageName = ps.pkg.packageName;
14508            // Skip over if system app
14509            if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) {
14510                continue;
14511            }
14512            if (DEBUG_CLEAN_APKS) {
14513                Slog.i(TAG, "Checking package " + packageName);
14514            }
14515            boolean keep = false;
14516            for (int i = 0; i < users.length; i++) {
14517                if (users[i] != userHandle && ps.getInstalled(users[i])) {
14518                    keep = true;
14519                    if (DEBUG_CLEAN_APKS) {
14520                        Slog.i(TAG, "  Keeping package " + packageName + " for user "
14521                                + users[i]);
14522                    }
14523                    break;
14524                }
14525            }
14526            if (!keep) {
14527                if (DEBUG_CLEAN_APKS) {
14528                    Slog.i(TAG, "  Removing package " + packageName);
14529                }
14530                mHandler.post(new Runnable() {
14531                    public void run() {
14532                        deletePackageX(packageName, userHandle, 0);
14533                    } //end run
14534                });
14535            }
14536        }
14537    }
14538
14539    /** Called by UserManagerService */
14540    void createNewUserLILPw(int userHandle, File path) {
14541        if (mInstaller != null) {
14542            mInstaller.createUserConfig(userHandle);
14543            mSettings.createNewUserLILPw(this, mInstaller, userHandle, path);
14544        }
14545    }
14546
14547    void newUserCreatedLILPw(int userHandle) {
14548        // Adding a user requires updating runtime permissions for system apps.
14549        updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL);
14550    }
14551
14552    @Override
14553    public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException {
14554        mContext.enforceCallingOrSelfPermission(
14555                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
14556                "Only package verification agents can read the verifier device identity");
14557
14558        synchronized (mPackages) {
14559            return mSettings.getVerifierDeviceIdentityLPw();
14560        }
14561    }
14562
14563    @Override
14564    public void setPermissionEnforced(String permission, boolean enforced) {
14565        mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null);
14566        if (READ_EXTERNAL_STORAGE.equals(permission)) {
14567            synchronized (mPackages) {
14568                if (mSettings.mReadExternalStorageEnforced == null
14569                        || mSettings.mReadExternalStorageEnforced != enforced) {
14570                    mSettings.mReadExternalStorageEnforced = enforced;
14571                    mSettings.writeLPr();
14572                }
14573            }
14574            // kill any non-foreground processes so we restart them and
14575            // grant/revoke the GID.
14576            final IActivityManager am = ActivityManagerNative.getDefault();
14577            if (am != null) {
14578                final long token = Binder.clearCallingIdentity();
14579                try {
14580                    am.killProcessesBelowForeground("setPermissionEnforcement");
14581                } catch (RemoteException e) {
14582                } finally {
14583                    Binder.restoreCallingIdentity(token);
14584                }
14585            }
14586        } else {
14587            throw new IllegalArgumentException("No selective enforcement for " + permission);
14588        }
14589    }
14590
14591    @Override
14592    @Deprecated
14593    public boolean isPermissionEnforced(String permission) {
14594        return true;
14595    }
14596
14597    @Override
14598    public boolean isStorageLow() {
14599        final long token = Binder.clearCallingIdentity();
14600        try {
14601            final DeviceStorageMonitorInternal
14602                    dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
14603            if (dsm != null) {
14604                return dsm.isMemoryLow();
14605            } else {
14606                return false;
14607            }
14608        } finally {
14609            Binder.restoreCallingIdentity(token);
14610        }
14611    }
14612
14613    @Override
14614    public IPackageInstaller getPackageInstaller() {
14615        return mInstallerService;
14616    }
14617
14618    private boolean userNeedsBadging(int userId) {
14619        int index = mUserNeedsBadging.indexOfKey(userId);
14620        if (index < 0) {
14621            final UserInfo userInfo;
14622            final long token = Binder.clearCallingIdentity();
14623            try {
14624                userInfo = sUserManager.getUserInfo(userId);
14625            } finally {
14626                Binder.restoreCallingIdentity(token);
14627            }
14628            final boolean b;
14629            if (userInfo != null && userInfo.isManagedProfile()) {
14630                b = true;
14631            } else {
14632                b = false;
14633            }
14634            mUserNeedsBadging.put(userId, b);
14635            return b;
14636        }
14637        return mUserNeedsBadging.valueAt(index);
14638    }
14639
14640    @Override
14641    public KeySet getKeySetByAlias(String packageName, String alias) {
14642        if (packageName == null || alias == null) {
14643            return null;
14644        }
14645        synchronized(mPackages) {
14646            final PackageParser.Package pkg = mPackages.get(packageName);
14647            if (pkg == null) {
14648                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
14649                throw new IllegalArgumentException("Unknown package: " + packageName);
14650            }
14651            KeySetManagerService ksms = mSettings.mKeySetManagerService;
14652            return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias));
14653        }
14654    }
14655
14656    @Override
14657    public KeySet getSigningKeySet(String packageName) {
14658        if (packageName == null) {
14659            return null;
14660        }
14661        synchronized(mPackages) {
14662            final PackageParser.Package pkg = mPackages.get(packageName);
14663            if (pkg == null) {
14664                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
14665                throw new IllegalArgumentException("Unknown package: " + packageName);
14666            }
14667            if (pkg.applicationInfo.uid != Binder.getCallingUid()
14668                    && Process.SYSTEM_UID != Binder.getCallingUid()) {
14669                throw new SecurityException("May not access signing KeySet of other apps.");
14670            }
14671            KeySetManagerService ksms = mSettings.mKeySetManagerService;
14672            return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName));
14673        }
14674    }
14675
14676    @Override
14677    public boolean isPackageSignedByKeySet(String packageName, KeySet ks) {
14678        if (packageName == null || ks == null) {
14679            return false;
14680        }
14681        synchronized(mPackages) {
14682            final PackageParser.Package pkg = mPackages.get(packageName);
14683            if (pkg == null) {
14684                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
14685                throw new IllegalArgumentException("Unknown package: " + packageName);
14686            }
14687            IBinder ksh = ks.getToken();
14688            if (ksh instanceof KeySetHandle) {
14689                KeySetManagerService ksms = mSettings.mKeySetManagerService;
14690                return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh);
14691            }
14692            return false;
14693        }
14694    }
14695
14696    @Override
14697    public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) {
14698        if (packageName == null || ks == null) {
14699            return false;
14700        }
14701        synchronized(mPackages) {
14702            final PackageParser.Package pkg = mPackages.get(packageName);
14703            if (pkg == null) {
14704                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
14705                throw new IllegalArgumentException("Unknown package: " + packageName);
14706            }
14707            IBinder ksh = ks.getToken();
14708            if (ksh instanceof KeySetHandle) {
14709                KeySetManagerService ksms = mSettings.mKeySetManagerService;
14710                return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh);
14711            }
14712            return false;
14713        }
14714    }
14715
14716    public void getUsageStatsIfNoPackageUsageInfo() {
14717        if (!mPackageUsage.isHistoricalPackageUsageAvailable()) {
14718            UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE);
14719            if (usm == null) {
14720                throw new IllegalStateException("UsageStatsManager must be initialized");
14721            }
14722            long now = System.currentTimeMillis();
14723            Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now);
14724            for (Map.Entry<String, UsageStats> entry : stats.entrySet()) {
14725                String packageName = entry.getKey();
14726                PackageParser.Package pkg = mPackages.get(packageName);
14727                if (pkg == null) {
14728                    continue;
14729                }
14730                UsageStats usage = entry.getValue();
14731                pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed();
14732                mPackageUsage.mIsHistoricalPackageUsageAvailable = true;
14733            }
14734        }
14735    }
14736
14737    /**
14738     * Check and throw if the given before/after packages would be considered a
14739     * downgrade.
14740     */
14741    private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after)
14742            throws PackageManagerException {
14743        if (after.versionCode < before.mVersionCode) {
14744            throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE,
14745                    "Update version code " + after.versionCode + " is older than current "
14746                    + before.mVersionCode);
14747        } else if (after.versionCode == before.mVersionCode) {
14748            if (after.baseRevisionCode < before.baseRevisionCode) {
14749                throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE,
14750                        "Update base revision code " + after.baseRevisionCode
14751                        + " is older than current " + before.baseRevisionCode);
14752            }
14753
14754            if (!ArrayUtils.isEmpty(after.splitNames)) {
14755                for (int i = 0; i < after.splitNames.length; i++) {
14756                    final String splitName = after.splitNames[i];
14757                    final int j = ArrayUtils.indexOf(before.splitNames, splitName);
14758                    if (j != -1) {
14759                        if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) {
14760                            throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE,
14761                                    "Update split " + splitName + " revision code "
14762                                    + after.splitRevisionCodes[i] + " is older than current "
14763                                    + before.splitRevisionCodes[j]);
14764                        }
14765                    }
14766                }
14767            }
14768        }
14769    }
14770
14771    private static class MoveCallbacks extends Handler {
14772        private static final int MSG_CREATED = 1;
14773        private static final int MSG_STATUS_CHANGED = 2;
14774
14775        private final RemoteCallbackList<IPackageMoveObserver>
14776                mCallbacks = new RemoteCallbackList<>();
14777
14778        private final SparseIntArray mLastStatus = new SparseIntArray();
14779
14780        public MoveCallbacks(Looper looper) {
14781            super(looper);
14782        }
14783
14784        public void register(IPackageMoveObserver callback) {
14785            mCallbacks.register(callback);
14786        }
14787
14788        public void unregister(IPackageMoveObserver callback) {
14789            mCallbacks.unregister(callback);
14790        }
14791
14792        @Override
14793        public void handleMessage(Message msg) {
14794            final SomeArgs args = (SomeArgs) msg.obj;
14795            final int n = mCallbacks.beginBroadcast();
14796            for (int i = 0; i < n; i++) {
14797                final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i);
14798                try {
14799                    invokeCallback(callback, msg.what, args);
14800                } catch (RemoteException ignored) {
14801                }
14802            }
14803            mCallbacks.finishBroadcast();
14804            args.recycle();
14805        }
14806
14807        private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args)
14808                throws RemoteException {
14809            switch (what) {
14810                case MSG_CREATED: {
14811                    callback.onCreated(args.argi1, (Bundle) args.arg2);
14812                    break;
14813                }
14814                case MSG_STATUS_CHANGED: {
14815                    callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3);
14816                    break;
14817                }
14818            }
14819        }
14820
14821        private void notifyCreated(int moveId, Bundle extras) {
14822            Slog.v(TAG, "Move " + moveId + " created " + extras.toString());
14823
14824            final SomeArgs args = SomeArgs.obtain();
14825            args.argi1 = moveId;
14826            args.arg2 = extras;
14827            obtainMessage(MSG_CREATED, args).sendToTarget();
14828        }
14829
14830        private void notifyStatusChanged(int moveId, int status) {
14831            notifyStatusChanged(moveId, status, -1);
14832        }
14833
14834        private void notifyStatusChanged(int moveId, int status, long estMillis) {
14835            Slog.v(TAG, "Move " + moveId + " status " + status);
14836
14837            final SomeArgs args = SomeArgs.obtain();
14838            args.argi1 = moveId;
14839            args.argi2 = status;
14840            args.arg3 = estMillis;
14841            obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget();
14842
14843            synchronized (mLastStatus) {
14844                mLastStatus.put(moveId, status);
14845            }
14846        }
14847    }
14848}
14849