PackageManagerService.java revision a320505f3a39e21f29065f0f2a01089363825318 
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.MathUtils;
175import android.util.PrintStreamPrinter;
176import android.util.Slog;
177import android.util.SparseArray;
178import android.util.SparseBooleanArray;
179import android.util.SparseIntArray;
180import android.util.Xml;
181import android.view.Display;
182
183import dalvik.system.DexFile;
184import dalvik.system.VMRuntime;
185
186import libcore.io.IoUtils;
187import libcore.util.EmptyArray;
188
189import com.android.internal.R;
190import com.android.internal.app.IMediaContainerService;
191import com.android.internal.app.ResolverActivity;
192import com.android.internal.content.NativeLibraryHelper;
193import com.android.internal.content.PackageHelper;
194import com.android.internal.os.IParcelFileDescriptorFactory;
195import com.android.internal.os.SomeArgs;
196import com.android.internal.util.ArrayUtils;
197import com.android.internal.util.FastPrintWriter;
198import com.android.internal.util.FastXmlSerializer;
199import com.android.internal.util.IndentingPrintWriter;
200import com.android.internal.util.Preconditions;
201import com.android.server.EventLogTags;
202import com.android.server.FgThread;
203import com.android.server.IntentResolver;
204import com.android.server.LocalServices;
205import com.android.server.ServiceThread;
206import com.android.server.SystemConfig;
207import com.android.server.Watchdog;
208import com.android.server.pm.Settings.DatabaseVersion;
209import com.android.server.storage.DeviceStorageMonitorInternal;
210
211import org.xmlpull.v1.XmlPullParser;
212import org.xmlpull.v1.XmlSerializer;
213
214import java.io.BufferedInputStream;
215import java.io.BufferedOutputStream;
216import java.io.BufferedReader;
217import java.io.ByteArrayInputStream;
218import java.io.ByteArrayOutputStream;
219import java.io.File;
220import java.io.FileDescriptor;
221import java.io.FileNotFoundException;
222import java.io.FileOutputStream;
223import java.io.FileReader;
224import java.io.FilenameFilter;
225import java.io.IOException;
226import java.io.InputStream;
227import java.io.PrintWriter;
228import java.nio.charset.StandardCharsets;
229import java.security.NoSuchAlgorithmException;
230import java.security.PublicKey;
231import java.security.cert.CertificateEncodingException;
232import java.security.cert.CertificateException;
233import java.text.SimpleDateFormat;
234import java.util.ArrayList;
235import java.util.Arrays;
236import java.util.Collection;
237import java.util.Collections;
238import java.util.Comparator;
239import java.util.Date;
240import java.util.Iterator;
241import java.util.List;
242import java.util.Map;
243import java.util.Objects;
244import java.util.Set;
245import java.util.concurrent.CountDownLatch;
246import java.util.concurrent.TimeUnit;
247import java.util.concurrent.atomic.AtomicBoolean;
248import java.util.concurrent.atomic.AtomicInteger;
249import java.util.concurrent.atomic.AtomicLong;
250
251/**
252 * Keep track of all those .apks everywhere.
253 *
254 * This is very central to the platform's security; please run the unit
255 * tests whenever making modifications here:
256 *
257mmm frameworks/base/tests/AndroidTests
258adb install -r -f out/target/product/passion/data/app/AndroidTests.apk
259adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner
260 *
261 * {@hide}
262 */
263public class PackageManagerService extends IPackageManager.Stub {
264    static final String TAG = "PackageManager";
265    static final boolean DEBUG_SETTINGS = false;
266    static final boolean DEBUG_PREFERRED = false;
267    static final boolean DEBUG_UPGRADE = false;
268    private static final boolean DEBUG_BACKUP = true;
269    private static final boolean DEBUG_INSTALL = false;
270    private static final boolean DEBUG_REMOVE = false;
271    private static final boolean DEBUG_BROADCASTS = false;
272    private static final boolean DEBUG_SHOW_INFO = false;
273    private static final boolean DEBUG_PACKAGE_INFO = false;
274    private static final boolean DEBUG_INTENT_MATCHING = false;
275    private static final boolean DEBUG_PACKAGE_SCANNING = false;
276    private static final boolean DEBUG_VERIFY = false;
277    private static final boolean DEBUG_DEXOPT = false;
278    private static final boolean DEBUG_ABI_SELECTION = false;
279
280    static final boolean RUNTIME_PERMISSIONS_ENABLED = true;
281
282    private static final int RADIO_UID = Process.PHONE_UID;
283    private static final int LOG_UID = Process.LOG_UID;
284    private static final int NFC_UID = Process.NFC_UID;
285    private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID;
286    private static final int SHELL_UID = Process.SHELL_UID;
287
288    // Cap the size of permission trees that 3rd party apps can define
289    private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768;     // characters of text
290
291    // Suffix used during package installation when copying/moving
292    // package apks to install directory.
293    private static final String INSTALL_PACKAGE_SUFFIX = "-";
294
295    static final int SCAN_NO_DEX = 1<<1;
296    static final int SCAN_FORCE_DEX = 1<<2;
297    static final int SCAN_UPDATE_SIGNATURE = 1<<3;
298    static final int SCAN_NEW_INSTALL = 1<<4;
299    static final int SCAN_NO_PATHS = 1<<5;
300    static final int SCAN_UPDATE_TIME = 1<<6;
301    static final int SCAN_DEFER_DEX = 1<<7;
302    static final int SCAN_BOOTING = 1<<8;
303    static final int SCAN_TRUSTED_OVERLAY = 1<<9;
304    static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10;
305    static final int SCAN_REQUIRE_KNOWN = 1<<12;
306
307    static final int REMOVE_CHATTY = 1<<16;
308
309    /**
310     * Timeout (in milliseconds) after which the watchdog should declare that
311     * our handler thread is wedged.  The usual default for such things is one
312     * minute but we sometimes do very lengthy I/O operations on this thread,
313     * such as installing multi-gigabyte applications, so ours needs to be longer.
314     */
315    private static final long WATCHDOG_TIMEOUT = 1000*60*10;     // ten minutes
316
317    /**
318     * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim
319     * be run on this device.  We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL
320     * settings entry if available, otherwise we use the hardcoded default.  If it's been
321     * more than this long since the last fstrim, we force one during the boot sequence.
322     *
323     * This backstops other fstrim scheduling:  if the device is alive at midnight+idle,
324     * one gets run at the next available charging+idle time.  This final mandatory
325     * no-fstrim check kicks in only of the other scheduling criteria is never met.
326     */
327    private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS;
328
329    /**
330     * Whether verification is enabled by default.
331     */
332    private static final boolean DEFAULT_VERIFY_ENABLE = true;
333
334    /**
335     * The default maximum time to wait for the verification agent to return in
336     * milliseconds.
337     */
338    private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000;
339
340    /**
341     * The default response for package verification timeout.
342     *
343     * This can be either PackageManager.VERIFICATION_ALLOW or
344     * PackageManager.VERIFICATION_REJECT.
345     */
346    private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW;
347
348    static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer";
349
350    static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName(
351            DEFAULT_CONTAINER_PACKAGE,
352            "com.android.defcontainer.DefaultContainerService");
353
354    private static final String KILL_APP_REASON_GIDS_CHANGED =
355            "permission grant or revoke changed gids";
356
357    private static final String KILL_APP_REASON_PERMISSIONS_REVOKED =
358            "permissions revoked";
359
360    private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
361
362    private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay";
363
364    /** Permission grant: not grant the permission. */
365    private static final int GRANT_DENIED = 1;
366
367    /** Permission grant: grant the permission as an install permission. */
368    private static final int GRANT_INSTALL = 2;
369
370    /** Permission grant: grant the permission as a runtime one. */
371    private static final int GRANT_RUNTIME = 3;
372
373    /** Permission grant: grant as runtime a permission that was granted as an install time one. */
374    private static final int GRANT_UPGRADE = 4;
375
376    final ServiceThread mHandlerThread;
377
378    final PackageHandler mHandler;
379
380    /**
381     * Messages for {@link #mHandler} that need to wait for system ready before
382     * being dispatched.
383     */
384    private ArrayList<Message> mPostSystemReadyMessages;
385
386    final int mSdkVersion = Build.VERSION.SDK_INT;
387
388    final Context mContext;
389    final boolean mFactoryTest;
390    final boolean mOnlyCore;
391    final boolean mLazyDexOpt;
392    final long mDexOptLRUThresholdInMills;
393    final DisplayMetrics mMetrics;
394    final int mDefParseFlags;
395    final String[] mSeparateProcesses;
396    final boolean mIsUpgrade;
397
398    // This is where all application persistent data goes.
399    final File mAppDataDir;
400
401    // This is where all application persistent data goes for secondary users.
402    final File mUserAppDataDir;
403
404    /** The location for ASEC container files on internal storage. */
405    final String mAsecInternalPath;
406
407    // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages
408    // LOCK HELD.  Can be called with mInstallLock held.
409    final Installer mInstaller;
410
411    /** Directory where installed third-party apps stored */
412    final File mAppInstallDir;
413
414    /**
415     * Directory to which applications installed internally have their
416     * 32 bit native libraries copied.
417     */
418    private File mAppLib32InstallDir;
419
420    // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked
421    // apps.
422    final File mDrmAppPrivateInstallDir;
423
424    // ----------------------------------------------------------------
425
426    // Lock for state used when installing and doing other long running
427    // operations.  Methods that must be called with this lock held have
428    // the suffix "LI".
429    final Object mInstallLock = new Object();
430
431    // ----------------------------------------------------------------
432
433    // Keys are String (package name), values are Package.  This also serves
434    // as the lock for the global state.  Methods that must be called with
435    // this lock held have the prefix "LP".
436    final ArrayMap<String, PackageParser.Package> mPackages =
437            new ArrayMap<String, PackageParser.Package>();
438
439    // Tracks available target package names -> overlay package paths.
440    final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays =
441        new ArrayMap<String, ArrayMap<String, PackageParser.Package>>();
442
443    final Settings mSettings;
444    boolean mRestoredSettings;
445
446    // System configuration read by SystemConfig.
447    final int[] mGlobalGids;
448    final SparseArray<ArraySet<String>> mSystemPermissions;
449    final ArrayMap<String, FeatureInfo> mAvailableFeatures;
450
451    // If mac_permissions.xml was found for seinfo labeling.
452    boolean mFoundPolicyFile;
453
454    // If a recursive restorecon of /data/data/<pkg> is needed.
455    private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon();
456
457    public static final class SharedLibraryEntry {
458        public final String path;
459        public final String apk;
460
461        SharedLibraryEntry(String _path, String _apk) {
462            path = _path;
463            apk = _apk;
464        }
465    }
466
467    // Currently known shared libraries.
468    final ArrayMap<String, SharedLibraryEntry> mSharedLibraries =
469            new ArrayMap<String, SharedLibraryEntry>();
470
471    // All available activities, for your resolving pleasure.
472    final ActivityIntentResolver mActivities =
473            new ActivityIntentResolver();
474
475    // All available receivers, for your resolving pleasure.
476    final ActivityIntentResolver mReceivers =
477            new ActivityIntentResolver();
478
479    // All available services, for your resolving pleasure.
480    final ServiceIntentResolver mServices = new ServiceIntentResolver();
481
482    // All available providers, for your resolving pleasure.
483    final ProviderIntentResolver mProviders = new ProviderIntentResolver();
484
485    // Mapping from provider base names (first directory in content URI codePath)
486    // to the provider information.
487    final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority =
488            new ArrayMap<String, PackageParser.Provider>();
489
490    // Mapping from instrumentation class names to info about them.
491    final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation =
492            new ArrayMap<ComponentName, PackageParser.Instrumentation>();
493
494    // Mapping from permission names to info about them.
495    final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups =
496            new ArrayMap<String, PackageParser.PermissionGroup>();
497
498    // Packages whose data we have transfered into another package, thus
499    // should no longer exist.
500    final ArraySet<String> mTransferedPackages = new ArraySet<String>();
501
502    // Broadcast actions that are only available to the system.
503    final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>();
504
505    /** List of packages waiting for verification. */
506    final SparseArray<PackageVerificationState> mPendingVerification
507            = new SparseArray<PackageVerificationState>();
508
509    /** Set of packages associated with each app op permission. */
510    final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>();
511
512    final PackageInstallerService mInstallerService;
513
514    private final PackageDexOptimizer mPackageDexOptimizer;
515
516    private AtomicInteger mNextMoveId = new AtomicInteger();
517    private final MoveCallbacks mMoveCallbacks;
518
519    // Cache of users who need badging.
520    SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray();
521
522    /** Token for keys in mPendingVerification. */
523    private int mPendingVerificationToken = 0;
524
525    volatile boolean mSystemReady;
526    volatile boolean mSafeMode;
527    volatile boolean mHasSystemUidErrors;
528
529    ApplicationInfo mAndroidApplication;
530    final ActivityInfo mResolveActivity = new ActivityInfo();
531    final ResolveInfo mResolveInfo = new ResolveInfo();
532    ComponentName mResolveComponentName;
533    PackageParser.Package mPlatformPackage;
534    ComponentName mCustomResolverComponentName;
535
536    boolean mResolverReplaced = false;
537
538    private final ComponentName mIntentFilterVerifierComponent;
539    private int mIntentFilterVerificationToken = 0;
540
541    final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates
542            = new SparseArray<IntentFilterVerificationState>();
543
544    private interface IntentFilterVerifier<T extends IntentFilter> {
545        boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId,
546                                               T filter, String packageName);
547        void startVerifications(int userId);
548        void receiveVerificationResponse(int verificationId);
549    }
550
551    private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> {
552        private Context mContext;
553        private ComponentName mIntentFilterVerifierComponent;
554        private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>();
555
556        public IntentVerifierProxy(Context context, ComponentName verifierComponent) {
557            mContext = context;
558            mIntentFilterVerifierComponent = verifierComponent;
559        }
560
561        private String getDefaultScheme() {
562            // TODO: replace SCHEME_HTTP with SCHEME_HTTPS
563            return IntentFilter.SCHEME_HTTP;
564        }
565
566        @Override
567        public void startVerifications(int userId) {
568            // Launch verifications requests
569            int count = mCurrentIntentFilterVerifications.size();
570            for (int n=0; n<count; n++) {
571                int verificationId = mCurrentIntentFilterVerifications.get(n);
572                final IntentFilterVerificationState ivs =
573                        mIntentFilterVerificationStates.get(verificationId);
574
575                String packageName = ivs.getPackageName();
576
577                ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters();
578                final int filterCount = filters.size();
579                ArraySet<String> domainsSet = new ArraySet<>();
580                for (int m=0; m<filterCount; m++) {
581                    PackageParser.ActivityIntentInfo filter = filters.get(m);
582                    domainsSet.addAll(filter.getHostsList());
583                }
584                ArrayList<String> domainsList = new ArrayList<>(domainsSet);
585                synchronized (mPackages) {
586                    if (mSettings.createIntentFilterVerificationIfNeededLPw(
587                            packageName, domainsList) != null) {
588                        scheduleWriteSettingsLocked();
589                    }
590                }
591                sendVerificationRequest(userId, verificationId, ivs);
592            }
593            mCurrentIntentFilterVerifications.clear();
594        }
595
596        private void sendVerificationRequest(int userId, int verificationId,
597                IntentFilterVerificationState ivs) {
598
599            Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION);
600            verificationIntent.putExtra(
601                    PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID,
602                    verificationId);
603            verificationIntent.putExtra(
604                    PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME,
605                    getDefaultScheme());
606            verificationIntent.putExtra(
607                    PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS,
608                    ivs.getHostsString());
609            verificationIntent.putExtra(
610                    PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME,
611                    ivs.getPackageName());
612            verificationIntent.setComponent(mIntentFilterVerifierComponent);
613            verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
614
615            UserHandle user = new UserHandle(userId);
616            mContext.sendBroadcastAsUser(verificationIntent, user);
617            Slog.d(TAG, "Sending IntenFilter verification broadcast");
618        }
619
620        public void receiveVerificationResponse(int verificationId) {
621            IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId);
622
623            final boolean verified = ivs.isVerified();
624
625            ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters();
626            final int count = filters.size();
627            for (int n=0; n<count; n++) {
628                PackageParser.ActivityIntentInfo filter = filters.get(n);
629                filter.setVerified(verified);
630
631                Slog.d(TAG, "IntentFilter " + filter.toString() + " verified with result:"
632                        + verified + " and hosts:" + ivs.getHostsString());
633            }
634
635            mIntentFilterVerificationStates.remove(verificationId);
636
637            final String packageName = ivs.getPackageName();
638            IntentFilterVerificationInfo ivi = null;
639
640            synchronized (mPackages) {
641                ivi = mSettings.getIntentFilterVerificationLPr(packageName);
642            }
643            if (ivi == null) {
644                Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:"
645                        + verificationId + " packageName:" + packageName);
646                return;
647            }
648            Slog.d(TAG, "Updating IntentFilterVerificationInfo for verificationId:"
649                    + verificationId);
650
651            synchronized (mPackages) {
652                if (verified) {
653                    ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS);
654                } else {
655                    ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK);
656                }
657                scheduleWriteSettingsLocked();
658
659                final int userId = ivs.getUserId();
660                if (userId != UserHandle.USER_ALL) {
661                    final int userStatus =
662                            mSettings.getIntentFilterVerificationStatusLPr(packageName, userId);
663
664                    int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED;
665                    boolean needUpdate = false;
666
667                    // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have
668                    // already been set by the User thru the Disambiguation dialog
669                    switch (userStatus) {
670                        case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED:
671                            if (verified) {
672                                updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS;
673                            } else {
674                                updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK;
675                            }
676                            needUpdate = true;
677                            break;
678
679                        case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK:
680                            if (verified) {
681                                updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS;
682                                needUpdate = true;
683                            }
684                            break;
685
686                        default:
687                            // Nothing to do
688                    }
689
690                    if (needUpdate) {
691                        mSettings.updateIntentFilterVerificationStatusLPw(
692                                packageName, updatedStatus, userId);
693                        scheduleWritePackageRestrictionsLocked(userId);
694                    }
695                }
696            }
697        }
698
699        @Override
700        public boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId,
701                    ActivityIntentInfo filter, String packageName) {
702            if (!(filter.hasDataScheme(IntentFilter.SCHEME_HTTP) ||
703                    filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) {
704                Slog.d(TAG, "IntentFilter does not contain HTTP nor HTTPS data scheme");
705                return false;
706            }
707            IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId);
708            if (ivs == null) {
709                ivs = createDomainVerificationState(verifierId, userId, verificationId,
710                        packageName);
711            }
712            if (!hasValidDomains(filter)) {
713                return false;
714            }
715            ivs.addFilter(filter);
716            return true;
717        }
718
719        private IntentFilterVerificationState createDomainVerificationState(int verifierId,
720                int userId, int verificationId, String packageName) {
721            IntentFilterVerificationState ivs = new IntentFilterVerificationState(
722                    verifierId, userId, packageName);
723            ivs.setPendingState();
724            synchronized (mPackages) {
725                mIntentFilterVerificationStates.append(verificationId, ivs);
726                mCurrentIntentFilterVerifications.add(verificationId);
727            }
728            return ivs;
729        }
730    }
731
732    private static boolean hasValidDomains(ActivityIntentInfo filter) {
733        return hasValidDomains(filter, true);
734    }
735
736    private static boolean hasValidDomains(ActivityIntentInfo filter, boolean logging) {
737        boolean hasHTTPorHTTPS = filter.hasDataScheme(IntentFilter.SCHEME_HTTP) ||
738                filter.hasDataScheme(IntentFilter.SCHEME_HTTPS);
739        if (!hasHTTPorHTTPS) {
740            if (logging) {
741                Slog.d(TAG, "IntentFilter does not contain any HTTP or HTTPS data scheme");
742            }
743            return false;
744        }
745        return true;
746    }
747
748    private IntentFilterVerifier mIntentFilterVerifier;
749
750    // Set of pending broadcasts for aggregating enable/disable of components.
751    static class PendingPackageBroadcasts {
752        // for each user id, a map of <package name -> components within that package>
753        final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap;
754
755        public PendingPackageBroadcasts() {
756            mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2);
757        }
758
759        public ArrayList<String> get(int userId, String packageName) {
760            ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId);
761            return packages.get(packageName);
762        }
763
764        public void put(int userId, String packageName, ArrayList<String> components) {
765            ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId);
766            packages.put(packageName, components);
767        }
768
769        public void remove(int userId, String packageName) {
770            ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId);
771            if (packages != null) {
772                packages.remove(packageName);
773            }
774        }
775
776        public void remove(int userId) {
777            mUidMap.remove(userId);
778        }
779
780        public int userIdCount() {
781            return mUidMap.size();
782        }
783
784        public int userIdAt(int n) {
785            return mUidMap.keyAt(n);
786        }
787
788        public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) {
789            return mUidMap.get(userId);
790        }
791
792        public int size() {
793            // total number of pending broadcast entries across all userIds
794            int num = 0;
795            for (int i = 0; i< mUidMap.size(); i++) {
796                num += mUidMap.valueAt(i).size();
797            }
798            return num;
799        }
800
801        public void clear() {
802            mUidMap.clear();
803        }
804
805        private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) {
806            ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId);
807            if (map == null) {
808                map = new ArrayMap<String, ArrayList<String>>();
809                mUidMap.put(userId, map);
810            }
811            return map;
812        }
813    }
814    final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts();
815
816    // Service Connection to remote media container service to copy
817    // package uri's from external media onto secure containers
818    // or internal storage.
819    private IMediaContainerService mContainerService = null;
820
821    static final int SEND_PENDING_BROADCAST = 1;
822    static final int MCS_BOUND = 3;
823    static final int END_COPY = 4;
824    static final int INIT_COPY = 5;
825    static final int MCS_UNBIND = 6;
826    static final int START_CLEANING_PACKAGE = 7;
827    static final int FIND_INSTALL_LOC = 8;
828    static final int POST_INSTALL = 9;
829    static final int MCS_RECONNECT = 10;
830    static final int MCS_GIVE_UP = 11;
831    static final int UPDATED_MEDIA_STATUS = 12;
832    static final int WRITE_SETTINGS = 13;
833    static final int WRITE_PACKAGE_RESTRICTIONS = 14;
834    static final int PACKAGE_VERIFIED = 15;
835    static final int CHECK_PENDING_VERIFICATION = 16;
836    static final int START_INTENT_FILTER_VERIFICATIONS = 17;
837    static final int INTENT_FILTER_VERIFIED = 18;
838
839    static final int WRITE_SETTINGS_DELAY = 10*1000;  // 10 seconds
840
841    // Delay time in millisecs
842    static final int BROADCAST_DELAY = 10 * 1000;
843
844    static UserManagerService sUserManager;
845
846    // Stores a list of users whose package restrictions file needs to be updated
847    private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>();
848
849    final private DefaultContainerConnection mDefContainerConn =
850            new DefaultContainerConnection();
851    class DefaultContainerConnection implements ServiceConnection {
852        public void onServiceConnected(ComponentName name, IBinder service) {
853            if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected");
854            IMediaContainerService imcs =
855                IMediaContainerService.Stub.asInterface(service);
856            mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs));
857        }
858
859        public void onServiceDisconnected(ComponentName name) {
860            if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected");
861        }
862    };
863
864    // Recordkeeping of restore-after-install operations that are currently in flight
865    // between the Package Manager and the Backup Manager
866    class PostInstallData {
867        public InstallArgs args;
868        public PackageInstalledInfo res;
869
870        PostInstallData(InstallArgs _a, PackageInstalledInfo _r) {
871            args = _a;
872            res = _r;
873        }
874    };
875    final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>();
876    int mNextInstallToken = 1;  // nonzero; will be wrapped back to 1 when ++ overflows
877
878    // backup/restore of preferred activity state
879    private static final String TAG_PREFERRED_BACKUP = "pa";
880
881    private final String mRequiredVerifierPackage;
882
883    private final PackageUsage mPackageUsage = new PackageUsage();
884
885    private class PackageUsage {
886        private static final int WRITE_INTERVAL
887            = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms
888
889        private final Object mFileLock = new Object();
890        private final AtomicLong mLastWritten = new AtomicLong(0);
891        private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false);
892
893        private boolean mIsHistoricalPackageUsageAvailable = true;
894
895        boolean isHistoricalPackageUsageAvailable() {
896            return mIsHistoricalPackageUsageAvailable;
897        }
898
899        void write(boolean force) {
900            if (force) {
901                writeInternal();
902                return;
903            }
904            if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL
905                && !DEBUG_DEXOPT) {
906                return;
907            }
908            if (mBackgroundWriteRunning.compareAndSet(false, true)) {
909                new Thread("PackageUsage_DiskWriter") {
910                    @Override
911                    public void run() {
912                        try {
913                            writeInternal();
914                        } finally {
915                            mBackgroundWriteRunning.set(false);
916                        }
917                    }
918                }.start();
919            }
920        }
921
922        private void writeInternal() {
923            synchronized (mPackages) {
924                synchronized (mFileLock) {
925                    AtomicFile file = getFile();
926                    FileOutputStream f = null;
927                    try {
928                        f = file.startWrite();
929                        BufferedOutputStream out = new BufferedOutputStream(f);
930                        FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID);
931                        StringBuilder sb = new StringBuilder();
932                        for (PackageParser.Package pkg : mPackages.values()) {
933                            if (pkg.mLastPackageUsageTimeInMills == 0) {
934                                continue;
935                            }
936                            sb.setLength(0);
937                            sb.append(pkg.packageName);
938                            sb.append(' ');
939                            sb.append((long)pkg.mLastPackageUsageTimeInMills);
940                            sb.append('\n');
941                            out.write(sb.toString().getBytes(StandardCharsets.US_ASCII));
942                        }
943                        out.flush();
944                        file.finishWrite(f);
945                    } catch (IOException e) {
946                        if (f != null) {
947                            file.failWrite(f);
948                        }
949                        Log.e(TAG, "Failed to write package usage times", e);
950                    }
951                }
952            }
953            mLastWritten.set(SystemClock.elapsedRealtime());
954        }
955
956        void readLP() {
957            synchronized (mFileLock) {
958                AtomicFile file = getFile();
959                BufferedInputStream in = null;
960                try {
961                    in = new BufferedInputStream(file.openRead());
962                    StringBuffer sb = new StringBuffer();
963                    while (true) {
964                        String packageName = readToken(in, sb, ' ');
965                        if (packageName == null) {
966                            break;
967                        }
968                        String timeInMillisString = readToken(in, sb, '\n');
969                        if (timeInMillisString == null) {
970                            throw new IOException("Failed to find last usage time for package "
971                                                  + packageName);
972                        }
973                        PackageParser.Package pkg = mPackages.get(packageName);
974                        if (pkg == null) {
975                            continue;
976                        }
977                        long timeInMillis;
978                        try {
979                            timeInMillis = Long.parseLong(timeInMillisString.toString());
980                        } catch (NumberFormatException e) {
981                            throw new IOException("Failed to parse " + timeInMillisString
982                                                  + " as a long.", e);
983                        }
984                        pkg.mLastPackageUsageTimeInMills = timeInMillis;
985                    }
986                } catch (FileNotFoundException expected) {
987                    mIsHistoricalPackageUsageAvailable = false;
988                } catch (IOException e) {
989                    Log.w(TAG, "Failed to read package usage times", e);
990                } finally {
991                    IoUtils.closeQuietly(in);
992                }
993            }
994            mLastWritten.set(SystemClock.elapsedRealtime());
995        }
996
997        private String readToken(InputStream in, StringBuffer sb, char endOfToken)
998                throws IOException {
999            sb.setLength(0);
1000            while (true) {
1001                int ch = in.read();
1002                if (ch == -1) {
1003                    if (sb.length() == 0) {
1004                        return null;
1005                    }
1006                    throw new IOException("Unexpected EOF");
1007                }
1008                if (ch == endOfToken) {
1009                    return sb.toString();
1010                }
1011                sb.append((char)ch);
1012            }
1013        }
1014
1015        private AtomicFile getFile() {
1016            File dataDir = Environment.getDataDirectory();
1017            File systemDir = new File(dataDir, "system");
1018            File fname = new File(systemDir, "package-usage.list");
1019            return new AtomicFile(fname);
1020        }
1021    }
1022
1023    class PackageHandler extends Handler {
1024        private boolean mBound = false;
1025        final ArrayList<HandlerParams> mPendingInstalls =
1026            new ArrayList<HandlerParams>();
1027
1028        private boolean connectToService() {
1029            if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" +
1030                    " DefaultContainerService");
1031            Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
1032            Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1033            if (mContext.bindServiceAsUser(service, mDefContainerConn,
1034                    Context.BIND_AUTO_CREATE, UserHandle.OWNER)) {
1035                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1036                mBound = true;
1037                return true;
1038            }
1039            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1040            return false;
1041        }
1042
1043        private void disconnectService() {
1044            mContainerService = null;
1045            mBound = false;
1046            Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1047            mContext.unbindService(mDefContainerConn);
1048            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1049        }
1050
1051        PackageHandler(Looper looper) {
1052            super(looper);
1053        }
1054
1055        public void handleMessage(Message msg) {
1056            try {
1057                doHandleMessage(msg);
1058            } finally {
1059                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1060            }
1061        }
1062
1063        void doHandleMessage(Message msg) {
1064            switch (msg.what) {
1065                case INIT_COPY: {
1066                    HandlerParams params = (HandlerParams) msg.obj;
1067                    int idx = mPendingInstalls.size();
1068                    if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params);
1069                    // If a bind was already initiated we dont really
1070                    // need to do anything. The pending install
1071                    // will be processed later on.
1072                    if (!mBound) {
1073                        // If this is the only one pending we might
1074                        // have to bind to the service again.
1075                        if (!connectToService()) {
1076                            Slog.e(TAG, "Failed to bind to media container service");
1077                            params.serviceError();
1078                            return;
1079                        } else {
1080                            // Once we bind to the service, the first
1081                            // pending request will be processed.
1082                            mPendingInstalls.add(idx, params);
1083                        }
1084                    } else {
1085                        mPendingInstalls.add(idx, params);
1086                        // Already bound to the service. Just make
1087                        // sure we trigger off processing the first request.
1088                        if (idx == 0) {
1089                            mHandler.sendEmptyMessage(MCS_BOUND);
1090                        }
1091                    }
1092                    break;
1093                }
1094                case MCS_BOUND: {
1095                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound");
1096                    if (msg.obj != null) {
1097                        mContainerService = (IMediaContainerService) msg.obj;
1098                    }
1099                    if (mContainerService == null) {
1100                        // Something seriously wrong. Bail out
1101                        Slog.e(TAG, "Cannot bind to media container service");
1102                        for (HandlerParams params : mPendingInstalls) {
1103                            // Indicate service bind error
1104                            params.serviceError();
1105                        }
1106                        mPendingInstalls.clear();
1107                    } else if (mPendingInstalls.size() > 0) {
1108                        HandlerParams params = mPendingInstalls.get(0);
1109                        if (params != null) {
1110                            if (params.startCopy()) {
1111                                // We are done...  look for more work or to
1112                                // go idle.
1113                                if (DEBUG_SD_INSTALL) Log.i(TAG,
1114                                        "Checking for more work or unbind...");
1115                                // Delete pending install
1116                                if (mPendingInstalls.size() > 0) {
1117                                    mPendingInstalls.remove(0);
1118                                }
1119                                if (mPendingInstalls.size() == 0) {
1120                                    if (mBound) {
1121                                        if (DEBUG_SD_INSTALL) Log.i(TAG,
1122                                                "Posting delayed MCS_UNBIND");
1123                                        removeMessages(MCS_UNBIND);
1124                                        Message ubmsg = obtainMessage(MCS_UNBIND);
1125                                        // Unbind after a little delay, to avoid
1126                                        // continual thrashing.
1127                                        sendMessageDelayed(ubmsg, 10000);
1128                                    }
1129                                } else {
1130                                    // There are more pending requests in queue.
1131                                    // Just post MCS_BOUND message to trigger processing
1132                                    // of next pending install.
1133                                    if (DEBUG_SD_INSTALL) Log.i(TAG,
1134                                            "Posting MCS_BOUND for next work");
1135                                    mHandler.sendEmptyMessage(MCS_BOUND);
1136                                }
1137                            }
1138                        }
1139                    } else {
1140                        // Should never happen ideally.
1141                        Slog.w(TAG, "Empty queue");
1142                    }
1143                    break;
1144                }
1145                case MCS_RECONNECT: {
1146                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect");
1147                    if (mPendingInstalls.size() > 0) {
1148                        if (mBound) {
1149                            disconnectService();
1150                        }
1151                        if (!connectToService()) {
1152                            Slog.e(TAG, "Failed to bind to media container service");
1153                            for (HandlerParams params : mPendingInstalls) {
1154                                // Indicate service bind error
1155                                params.serviceError();
1156                            }
1157                            mPendingInstalls.clear();
1158                        }
1159                    }
1160                    break;
1161                }
1162                case MCS_UNBIND: {
1163                    // If there is no actual work left, then time to unbind.
1164                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind");
1165
1166                    if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) {
1167                        if (mBound) {
1168                            if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()");
1169
1170                            disconnectService();
1171                        }
1172                    } else if (mPendingInstalls.size() > 0) {
1173                        // There are more pending requests in queue.
1174                        // Just post MCS_BOUND message to trigger processing
1175                        // of next pending install.
1176                        mHandler.sendEmptyMessage(MCS_BOUND);
1177                    }
1178
1179                    break;
1180                }
1181                case MCS_GIVE_UP: {
1182                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries");
1183                    mPendingInstalls.remove(0);
1184                    break;
1185                }
1186                case SEND_PENDING_BROADCAST: {
1187                    String packages[];
1188                    ArrayList<String> components[];
1189                    int size = 0;
1190                    int uids[];
1191                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1192                    synchronized (mPackages) {
1193                        if (mPendingBroadcasts == null) {
1194                            return;
1195                        }
1196                        size = mPendingBroadcasts.size();
1197                        if (size <= 0) {
1198                            // Nothing to be done. Just return
1199                            return;
1200                        }
1201                        packages = new String[size];
1202                        components = new ArrayList[size];
1203                        uids = new int[size];
1204                        int i = 0;  // filling out the above arrays
1205
1206                        for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) {
1207                            int packageUserId = mPendingBroadcasts.userIdAt(n);
1208                            Iterator<Map.Entry<String, ArrayList<String>>> it
1209                                    = mPendingBroadcasts.packagesForUserId(packageUserId)
1210                                            .entrySet().iterator();
1211                            while (it.hasNext() && i < size) {
1212                                Map.Entry<String, ArrayList<String>> ent = it.next();
1213                                packages[i] = ent.getKey();
1214                                components[i] = ent.getValue();
1215                                PackageSetting ps = mSettings.mPackages.get(ent.getKey());
1216                                uids[i] = (ps != null)
1217                                        ? UserHandle.getUid(packageUserId, ps.appId)
1218                                        : -1;
1219                                i++;
1220                            }
1221                        }
1222                        size = i;
1223                        mPendingBroadcasts.clear();
1224                    }
1225                    // Send broadcasts
1226                    for (int i = 0; i < size; i++) {
1227                        sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]);
1228                    }
1229                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1230                    break;
1231                }
1232                case START_CLEANING_PACKAGE: {
1233                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1234                    final String packageName = (String)msg.obj;
1235                    final int userId = msg.arg1;
1236                    final boolean andCode = msg.arg2 != 0;
1237                    synchronized (mPackages) {
1238                        if (userId == UserHandle.USER_ALL) {
1239                            int[] users = sUserManager.getUserIds();
1240                            for (int user : users) {
1241                                mSettings.addPackageToCleanLPw(
1242                                        new PackageCleanItem(user, packageName, andCode));
1243                            }
1244                        } else {
1245                            mSettings.addPackageToCleanLPw(
1246                                    new PackageCleanItem(userId, packageName, andCode));
1247                        }
1248                    }
1249                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1250                    startCleaningPackages();
1251                } break;
1252                case POST_INSTALL: {
1253                    if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1);
1254                    PostInstallData data = mRunningInstalls.get(msg.arg1);
1255                    mRunningInstalls.delete(msg.arg1);
1256                    boolean deleteOld = false;
1257
1258                    if (data != null) {
1259                        InstallArgs args = data.args;
1260                        PackageInstalledInfo res = data.res;
1261
1262                        if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
1263                            res.removedInfo.sendBroadcast(false, true, false);
1264                            Bundle extras = new Bundle(1);
1265                            extras.putInt(Intent.EXTRA_UID, res.uid);
1266
1267                            // Now that we successfully installed the package, grant runtime
1268                            // permissions if requested before broadcasting the install.
1269                            if ((args.installFlags
1270                                    & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) {
1271                                grantRequestedRuntimePermissions(res.pkg,
1272                                        args.user.getIdentifier());
1273                            }
1274
1275                            // Determine the set of users who are adding this
1276                            // package for the first time vs. those who are seeing
1277                            // an update.
1278                            int[] firstUsers;
1279                            int[] updateUsers = new int[0];
1280                            if (res.origUsers == null || res.origUsers.length == 0) {
1281                                firstUsers = res.newUsers;
1282                            } else {
1283                                firstUsers = new int[0];
1284                                for (int i=0; i<res.newUsers.length; i++) {
1285                                    int user = res.newUsers[i];
1286                                    boolean isNew = true;
1287                                    for (int j=0; j<res.origUsers.length; j++) {
1288                                        if (res.origUsers[j] == user) {
1289                                            isNew = false;
1290                                            break;
1291                                        }
1292                                    }
1293                                    if (isNew) {
1294                                        int[] newFirst = new int[firstUsers.length+1];
1295                                        System.arraycopy(firstUsers, 0, newFirst, 0,
1296                                                firstUsers.length);
1297                                        newFirst[firstUsers.length] = user;
1298                                        firstUsers = newFirst;
1299                                    } else {
1300                                        int[] newUpdate = new int[updateUsers.length+1];
1301                                        System.arraycopy(updateUsers, 0, newUpdate, 0,
1302                                                updateUsers.length);
1303                                        newUpdate[updateUsers.length] = user;
1304                                        updateUsers = newUpdate;
1305                                    }
1306                                }
1307                            }
1308                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
1309                                    res.pkg.applicationInfo.packageName,
1310                                    extras, null, null, firstUsers);
1311                            final boolean update = res.removedInfo.removedPackage != null;
1312                            if (update) {
1313                                extras.putBoolean(Intent.EXTRA_REPLACING, true);
1314                            }
1315                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
1316                                    res.pkg.applicationInfo.packageName,
1317                                    extras, null, null, updateUsers);
1318                            if (update) {
1319                                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED,
1320                                        res.pkg.applicationInfo.packageName,
1321                                        extras, null, null, updateUsers);
1322                                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED,
1323                                        null, null,
1324                                        res.pkg.applicationInfo.packageName, null, updateUsers);
1325
1326                                // treat asec-hosted packages like removable media on upgrade
1327                                if (res.pkg.isForwardLocked() || isExternal(res.pkg)) {
1328                                    if (DEBUG_INSTALL) {
1329                                        Slog.i(TAG, "upgrading pkg " + res.pkg
1330                                                + " is ASEC-hosted -> AVAILABLE");
1331                                    }
1332                                    int[] uidArray = new int[] { res.pkg.applicationInfo.uid };
1333                                    ArrayList<String> pkgList = new ArrayList<String>(1);
1334                                    pkgList.add(res.pkg.applicationInfo.packageName);
1335                                    sendResourcesChangedBroadcast(true, true,
1336                                            pkgList,uidArray, null);
1337                                }
1338                            }
1339                            if (res.removedInfo.args != null) {
1340                                // Remove the replaced package's older resources safely now
1341                                deleteOld = true;
1342                            }
1343
1344                            // Log current value of "unknown sources" setting
1345                            EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED,
1346                                getUnknownSourcesSettings());
1347                        }
1348                        // Force a gc to clear up things
1349                        Runtime.getRuntime().gc();
1350                        // We delete after a gc for applications  on sdcard.
1351                        if (deleteOld) {
1352                            synchronized (mInstallLock) {
1353                                res.removedInfo.args.doPostDeleteLI(true);
1354                            }
1355                        }
1356                        if (args.observer != null) {
1357                            try {
1358                                Bundle extras = extrasForInstallResult(res);
1359                                args.observer.onPackageInstalled(res.name, res.returnCode,
1360                                        res.returnMsg, extras);
1361                            } catch (RemoteException e) {
1362                                Slog.i(TAG, "Observer no longer exists.");
1363                            }
1364                        }
1365                    } else {
1366                        Slog.e(TAG, "Bogus post-install token " + msg.arg1);
1367                    }
1368                } break;
1369                case UPDATED_MEDIA_STATUS: {
1370                    if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS");
1371                    boolean reportStatus = msg.arg1 == 1;
1372                    boolean doGc = msg.arg2 == 1;
1373                    if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc);
1374                    if (doGc) {
1375                        // Force a gc to clear up stale containers.
1376                        Runtime.getRuntime().gc();
1377                    }
1378                    if (msg.obj != null) {
1379                        @SuppressWarnings("unchecked")
1380                        Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj;
1381                        if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers");
1382                        // Unload containers
1383                        unloadAllContainers(args);
1384                    }
1385                    if (reportStatus) {
1386                        try {
1387                            if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back");
1388                            PackageHelper.getMountService().finishMediaUpdate();
1389                        } catch (RemoteException e) {
1390                            Log.e(TAG, "MountService not running?");
1391                        }
1392                    }
1393                } break;
1394                case WRITE_SETTINGS: {
1395                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1396                    synchronized (mPackages) {
1397                        removeMessages(WRITE_SETTINGS);
1398                        removeMessages(WRITE_PACKAGE_RESTRICTIONS);
1399                        mSettings.writeLPr();
1400                        mDirtyUsers.clear();
1401                    }
1402                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1403                } break;
1404                case WRITE_PACKAGE_RESTRICTIONS: {
1405                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1406                    synchronized (mPackages) {
1407                        removeMessages(WRITE_PACKAGE_RESTRICTIONS);
1408                        for (int userId : mDirtyUsers) {
1409                            mSettings.writePackageRestrictionsLPr(userId);
1410                        }
1411                        mDirtyUsers.clear();
1412                    }
1413                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1414                } break;
1415                case CHECK_PENDING_VERIFICATION: {
1416                    final int verificationId = msg.arg1;
1417                    final PackageVerificationState state = mPendingVerification.get(verificationId);
1418
1419                    if ((state != null) && !state.timeoutExtended()) {
1420                        final InstallArgs args = state.getInstallArgs();
1421                        final Uri originUri = Uri.fromFile(args.origin.resolvedFile);
1422
1423                        Slog.i(TAG, "Verification timed out for " + originUri);
1424                        mPendingVerification.remove(verificationId);
1425
1426                        int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
1427
1428                        if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) {
1429                            Slog.i(TAG, "Continuing with installation of " + originUri);
1430                            state.setVerifierResponse(Binder.getCallingUid(),
1431                                    PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT);
1432                            broadcastPackageVerified(verificationId, originUri,
1433                                    PackageManager.VERIFICATION_ALLOW,
1434                                    state.getInstallArgs().getUser());
1435                            try {
1436                                ret = args.copyApk(mContainerService, true);
1437                            } catch (RemoteException e) {
1438                                Slog.e(TAG, "Could not contact the ContainerService");
1439                            }
1440                        } else {
1441                            broadcastPackageVerified(verificationId, originUri,
1442                                    PackageManager.VERIFICATION_REJECT,
1443                                    state.getInstallArgs().getUser());
1444                        }
1445
1446                        processPendingInstall(args, ret);
1447                        mHandler.sendEmptyMessage(MCS_UNBIND);
1448                    }
1449                    break;
1450                }
1451                case PACKAGE_VERIFIED: {
1452                    final int verificationId = msg.arg1;
1453
1454                    final PackageVerificationState state = mPendingVerification.get(verificationId);
1455                    if (state == null) {
1456                        Slog.w(TAG, "Invalid verification token " + verificationId + " received");
1457                        break;
1458                    }
1459
1460                    final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj;
1461
1462                    state.setVerifierResponse(response.callerUid, response.code);
1463
1464                    if (state.isVerificationComplete()) {
1465                        mPendingVerification.remove(verificationId);
1466
1467                        final InstallArgs args = state.getInstallArgs();
1468                        final Uri originUri = Uri.fromFile(args.origin.resolvedFile);
1469
1470                        int ret;
1471                        if (state.isInstallAllowed()) {
1472                            ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
1473                            broadcastPackageVerified(verificationId, originUri,
1474                                    response.code, state.getInstallArgs().getUser());
1475                            try {
1476                                ret = args.copyApk(mContainerService, true);
1477                            } catch (RemoteException e) {
1478                                Slog.e(TAG, "Could not contact the ContainerService");
1479                            }
1480                        } else {
1481                            ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
1482                        }
1483
1484                        processPendingInstall(args, ret);
1485
1486                        mHandler.sendEmptyMessage(MCS_UNBIND);
1487                    }
1488
1489                    break;
1490                }
1491                case START_INTENT_FILTER_VERIFICATIONS: {
1492                    int userId = msg.arg1;
1493                    int verifierUid = msg.arg2;
1494                    PackageParser.Package pkg = (PackageParser.Package)msg.obj;
1495
1496                    verifyIntentFiltersIfNeeded(userId, verifierUid, pkg);
1497                    break;
1498                }
1499                case INTENT_FILTER_VERIFIED: {
1500                    final int verificationId = msg.arg1;
1501
1502                    final IntentFilterVerificationState state = mIntentFilterVerificationStates.get(
1503                            verificationId);
1504                    if (state == null) {
1505                        Slog.w(TAG, "Invalid IntentFilter verification token "
1506                                + verificationId + " received");
1507                        break;
1508                    }
1509
1510                    final int userId = state.getUserId();
1511
1512                    Slog.d(TAG, "Processing IntentFilter verification with token:"
1513                            + verificationId + " and userId:" + userId);
1514
1515                    final IntentFilterVerificationResponse response =
1516                            (IntentFilterVerificationResponse) msg.obj;
1517
1518                    state.setVerifierResponse(response.callerUid, response.code);
1519
1520                    Slog.d(TAG, "IntentFilter verification with token:" + verificationId
1521                            + " and userId:" + userId
1522                            + " is settings verifier response with response code:"
1523                            + response.code);
1524
1525                    if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) {
1526                        Slog.d(TAG, "Domains failing verification: "
1527                                + response.getFailedDomainsString());
1528                    }
1529
1530                    if (state.isVerificationComplete()) {
1531                        mIntentFilterVerifier.receiveVerificationResponse(verificationId);
1532                    } else {
1533                        Slog.d(TAG, "IntentFilter verification with token:" + verificationId
1534                                + " was not said to be complete");
1535                    }
1536
1537                    break;
1538                }
1539            }
1540        }
1541    }
1542
1543    private StorageEventListener mStorageListener = new StorageEventListener() {
1544        @Override
1545        public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) {
1546            if (vol.type == VolumeInfo.TYPE_PRIVATE) {
1547                if (vol.state == VolumeInfo.STATE_MOUNTED) {
1548                    // TODO: ensure that private directories exist for all active users
1549                    // TODO: remove user data whose serial number doesn't match
1550                    loadPrivatePackages(vol);
1551                } else if (vol.state == VolumeInfo.STATE_EJECTING) {
1552                    unloadPrivatePackages(vol);
1553                }
1554            }
1555
1556            if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) {
1557                if (vol.state == VolumeInfo.STATE_MOUNTED) {
1558                    updateExternalMediaStatus(true, false);
1559                } else if (vol.state == VolumeInfo.STATE_EJECTING) {
1560                    updateExternalMediaStatus(false, false);
1561                }
1562            }
1563        }
1564
1565        @Override
1566        public void onVolumeForgotten(String fsUuid) {
1567            // TODO: remove all packages hosted on this uuid
1568        }
1569    };
1570
1571    private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId) {
1572        if (userId >= UserHandle.USER_OWNER) {
1573            grantRequestedRuntimePermissionsForUser(pkg, userId);
1574        } else if (userId == UserHandle.USER_ALL) {
1575            for (int someUserId : UserManagerService.getInstance().getUserIds()) {
1576                grantRequestedRuntimePermissionsForUser(pkg, someUserId);
1577            }
1578        }
1579    }
1580
1581    private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId) {
1582        SettingBase sb = (SettingBase) pkg.mExtras;
1583        if (sb == null) {
1584            return;
1585        }
1586
1587        PermissionsState permissionsState = sb.getPermissionsState();
1588
1589        for (String permission : pkg.requestedPermissions) {
1590            BasePermission bp = mSettings.mPermissions.get(permission);
1591            if (bp != null && bp.isRuntime()) {
1592                permissionsState.grantRuntimePermission(bp, userId);
1593            }
1594        }
1595    }
1596
1597    Bundle extrasForInstallResult(PackageInstalledInfo res) {
1598        Bundle extras = null;
1599        switch (res.returnCode) {
1600            case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: {
1601                extras = new Bundle();
1602                extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION,
1603                        res.origPermission);
1604                extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE,
1605                        res.origPackage);
1606                break;
1607            }
1608            case PackageManager.INSTALL_SUCCEEDED: {
1609                extras = new Bundle();
1610                extras.putBoolean(Intent.EXTRA_REPLACING,
1611                        res.removedInfo != null && res.removedInfo.removedPackage != null);
1612                break;
1613            }
1614        }
1615        return extras;
1616    }
1617
1618    void scheduleWriteSettingsLocked() {
1619        if (!mHandler.hasMessages(WRITE_SETTINGS)) {
1620            mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY);
1621        }
1622    }
1623
1624    void scheduleWritePackageRestrictionsLocked(int userId) {
1625        if (!sUserManager.exists(userId)) return;
1626        mDirtyUsers.add(userId);
1627        if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) {
1628            mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY);
1629        }
1630    }
1631
1632    public static PackageManagerService main(Context context, Installer installer,
1633            boolean factoryTest, boolean onlyCore) {
1634        PackageManagerService m = new PackageManagerService(context, installer,
1635                factoryTest, onlyCore);
1636        ServiceManager.addService("package", m);
1637        return m;
1638    }
1639
1640    static String[] splitString(String str, char sep) {
1641        int count = 1;
1642        int i = 0;
1643        while ((i=str.indexOf(sep, i)) >= 0) {
1644            count++;
1645            i++;
1646        }
1647
1648        String[] res = new String[count];
1649        i=0;
1650        count = 0;
1651        int lastI=0;
1652        while ((i=str.indexOf(sep, i)) >= 0) {
1653            res[count] = str.substring(lastI, i);
1654            count++;
1655            i++;
1656            lastI = i;
1657        }
1658        res[count] = str.substring(lastI, str.length());
1659        return res;
1660    }
1661
1662    private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) {
1663        DisplayManager displayManager = (DisplayManager) context.getSystemService(
1664                Context.DISPLAY_SERVICE);
1665        displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics);
1666    }
1667
1668    public PackageManagerService(Context context, Installer installer,
1669            boolean factoryTest, boolean onlyCore) {
1670        EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START,
1671                SystemClock.uptimeMillis());
1672
1673        if (mSdkVersion <= 0) {
1674            Slog.w(TAG, "**** ro.build.version.sdk not set!");
1675        }
1676
1677        mContext = context;
1678        mFactoryTest = factoryTest;
1679        mOnlyCore = onlyCore;
1680        mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type"));
1681        mMetrics = new DisplayMetrics();
1682        mSettings = new Settings(mPackages);
1683        mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID,
1684                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1685        mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID,
1686                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1687        mSettings.addSharedUserLPw("android.uid.log", LOG_UID,
1688                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1689        mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID,
1690                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1691        mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID,
1692                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1693        mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID,
1694                ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED);
1695
1696        // TODO: add a property to control this?
1697        long dexOptLRUThresholdInMinutes;
1698        if (mLazyDexOpt) {
1699            dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds.
1700        } else {
1701            dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users.
1702        }
1703        mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000;
1704
1705        String separateProcesses = SystemProperties.get("debug.separate_processes");
1706        if (separateProcesses != null && separateProcesses.length() > 0) {
1707            if ("*".equals(separateProcesses)) {
1708                mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES;
1709                mSeparateProcesses = null;
1710                Slog.w(TAG, "Running with debug.separate_processes: * (ALL)");
1711            } else {
1712                mDefParseFlags = 0;
1713                mSeparateProcesses = separateProcesses.split(",");
1714                Slog.w(TAG, "Running with debug.separate_processes: "
1715                        + separateProcesses);
1716            }
1717        } else {
1718            mDefParseFlags = 0;
1719            mSeparateProcesses = null;
1720        }
1721
1722        mInstaller = installer;
1723        mPackageDexOptimizer = new PackageDexOptimizer(this);
1724        mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper());
1725
1726        getDefaultDisplayMetrics(context, mMetrics);
1727
1728        SystemConfig systemConfig = SystemConfig.getInstance();
1729        mGlobalGids = systemConfig.getGlobalGids();
1730        mSystemPermissions = systemConfig.getSystemPermissions();
1731        mAvailableFeatures = systemConfig.getAvailableFeatures();
1732
1733        synchronized (mInstallLock) {
1734        // writer
1735        synchronized (mPackages) {
1736            mHandlerThread = new ServiceThread(TAG,
1737                    Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/);
1738            mHandlerThread.start();
1739            mHandler = new PackageHandler(mHandlerThread.getLooper());
1740            Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT);
1741
1742            File dataDir = Environment.getDataDirectory();
1743            mAppDataDir = new File(dataDir, "data");
1744            mAppInstallDir = new File(dataDir, "app");
1745            mAppLib32InstallDir = new File(dataDir, "app-lib");
1746            mAsecInternalPath = new File(dataDir, "app-asec").getPath();
1747            mUserAppDataDir = new File(dataDir, "user");
1748            mDrmAppPrivateInstallDir = new File(dataDir, "app-private");
1749
1750            sUserManager = new UserManagerService(context, this,
1751                    mInstallLock, mPackages);
1752
1753            // Propagate permission configuration in to package manager.
1754            ArrayMap<String, SystemConfig.PermissionEntry> permConfig
1755                    = systemConfig.getPermissions();
1756            for (int i=0; i<permConfig.size(); i++) {
1757                SystemConfig.PermissionEntry perm = permConfig.valueAt(i);
1758                BasePermission bp = mSettings.mPermissions.get(perm.name);
1759                if (bp == null) {
1760                    bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN);
1761                    mSettings.mPermissions.put(perm.name, bp);
1762                }
1763                if (perm.gids != null) {
1764                    bp.setGids(perm.gids, perm.perUser);
1765                }
1766            }
1767
1768            ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries();
1769            for (int i=0; i<libConfig.size(); i++) {
1770                mSharedLibraries.put(libConfig.keyAt(i),
1771                        new SharedLibraryEntry(libConfig.valueAt(i), null));
1772            }
1773
1774            mFoundPolicyFile = SELinuxMMAC.readInstallPolicy();
1775
1776            mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false),
1777                    mSdkVersion, mOnlyCore);
1778
1779            String customResolverActivity = Resources.getSystem().getString(
1780                    R.string.config_customResolverActivity);
1781            if (TextUtils.isEmpty(customResolverActivity)) {
1782                customResolverActivity = null;
1783            } else {
1784                mCustomResolverComponentName = ComponentName.unflattenFromString(
1785                        customResolverActivity);
1786            }
1787
1788            long startTime = SystemClock.uptimeMillis();
1789
1790            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START,
1791                    startTime);
1792
1793            // Set flag to monitor and not change apk file paths when
1794            // scanning install directories.
1795            final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING;
1796
1797            final ArraySet<String> alreadyDexOpted = new ArraySet<String>();
1798
1799            /**
1800             * Add everything in the in the boot class path to the
1801             * list of process files because dexopt will have been run
1802             * if necessary during zygote startup.
1803             */
1804            final String bootClassPath = System.getenv("BOOTCLASSPATH");
1805            final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH");
1806
1807            if (bootClassPath != null) {
1808                String[] bootClassPathElements = splitString(bootClassPath, ':');
1809                for (String element : bootClassPathElements) {
1810                    alreadyDexOpted.add(element);
1811                }
1812            } else {
1813                Slog.w(TAG, "No BOOTCLASSPATH found!");
1814            }
1815
1816            if (systemServerClassPath != null) {
1817                String[] systemServerClassPathElements = splitString(systemServerClassPath, ':');
1818                for (String element : systemServerClassPathElements) {
1819                    alreadyDexOpted.add(element);
1820                }
1821            } else {
1822                Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!");
1823            }
1824
1825            final List<String> allInstructionSets = InstructionSets.getAllInstructionSets();
1826            final String[] dexCodeInstructionSets =
1827                    getDexCodeInstructionSets(
1828                            allInstructionSets.toArray(new String[allInstructionSets.size()]));
1829
1830            /**
1831             * Ensure all external libraries have had dexopt run on them.
1832             */
1833            if (mSharedLibraries.size() > 0) {
1834                // NOTE: For now, we're compiling these system "shared libraries"
1835                // (and framework jars) into all available architectures. It's possible
1836                // to compile them only when we come across an app that uses them (there's
1837                // already logic for that in scanPackageLI) but that adds some complexity.
1838                for (String dexCodeInstructionSet : dexCodeInstructionSets) {
1839                    for (SharedLibraryEntry libEntry : mSharedLibraries.values()) {
1840                        final String lib = libEntry.path;
1841                        if (lib == null) {
1842                            continue;
1843                        }
1844
1845                        try {
1846                            int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false);
1847                            if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
1848                                alreadyDexOpted.add(lib);
1849                                mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded);
1850                            }
1851                        } catch (FileNotFoundException e) {
1852                            Slog.w(TAG, "Library not found: " + lib);
1853                        } catch (IOException e) {
1854                            Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? "
1855                                    + e.getMessage());
1856                        }
1857                    }
1858                }
1859            }
1860
1861            File frameworkDir = new File(Environment.getRootDirectory(), "framework");
1862
1863            // Gross hack for now: we know this file doesn't contain any
1864            // code, so don't dexopt it to avoid the resulting log spew.
1865            alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk");
1866
1867            // Gross hack for now: we know this file is only part of
1868            // the boot class path for art, so don't dexopt it to
1869            // avoid the resulting log spew.
1870            alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar");
1871
1872            /**
1873             * And there are a number of commands implemented in Java, which
1874             * we currently need to do the dexopt on so that they can be
1875             * run from a non-root shell.
1876             */
1877            String[] frameworkFiles = frameworkDir.list();
1878            if (frameworkFiles != null) {
1879                // TODO: We could compile these only for the most preferred ABI. We should
1880                // first double check that the dex files for these commands are not referenced
1881                // by other system apps.
1882                for (String dexCodeInstructionSet : dexCodeInstructionSets) {
1883                    for (int i=0; i<frameworkFiles.length; i++) {
1884                        File libPath = new File(frameworkDir, frameworkFiles[i]);
1885                        String path = libPath.getPath();
1886                        // Skip the file if we already did it.
1887                        if (alreadyDexOpted.contains(path)) {
1888                            continue;
1889                        }
1890                        // Skip the file if it is not a type we want to dexopt.
1891                        if (!path.endsWith(".apk") && !path.endsWith(".jar")) {
1892                            continue;
1893                        }
1894                        try {
1895                            int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false);
1896                            if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
1897                                mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded);
1898                            }
1899                        } catch (FileNotFoundException e) {
1900                            Slog.w(TAG, "Jar not found: " + path);
1901                        } catch (IOException e) {
1902                            Slog.w(TAG, "Exception reading jar: " + path, e);
1903                        }
1904                    }
1905                }
1906            }
1907
1908            // Collect vendor overlay packages.
1909            // (Do this before scanning any apps.)
1910            // For security and version matching reason, only consider
1911            // overlay packages if they reside in VENDOR_OVERLAY_DIR.
1912            File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR);
1913            scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM
1914                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0);
1915
1916            // Find base frameworks (resource packages without code).
1917            scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM
1918                    | PackageParser.PARSE_IS_SYSTEM_DIR
1919                    | PackageParser.PARSE_IS_PRIVILEGED,
1920                    scanFlags | SCAN_NO_DEX, 0);
1921
1922            // Collected privileged system packages.
1923            final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app");
1924            scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM
1925                    | PackageParser.PARSE_IS_SYSTEM_DIR
1926                    | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0);
1927
1928            // Collect ordinary system packages.
1929            final File systemAppDir = new File(Environment.getRootDirectory(), "app");
1930            scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM
1931                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
1932
1933            // Collect all vendor packages.
1934            File vendorAppDir = new File("/vendor/app");
1935            try {
1936                vendorAppDir = vendorAppDir.getCanonicalFile();
1937            } catch (IOException e) {
1938                // failed to look up canonical path, continue with original one
1939            }
1940            scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM
1941                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
1942
1943            // Collect all OEM packages.
1944            final File oemAppDir = new File(Environment.getOemDirectory(), "app");
1945            scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM
1946                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0);
1947
1948            if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands");
1949            mInstaller.moveFiles();
1950
1951            // Prune any system packages that no longer exist.
1952            final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>();
1953            final ArrayMap<String, File> expectingBetter = new ArrayMap<>();
1954            if (!mOnlyCore) {
1955                Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
1956                while (psit.hasNext()) {
1957                    PackageSetting ps = psit.next();
1958
1959                    /*
1960                     * If this is not a system app, it can't be a
1961                     * disable system app.
1962                     */
1963                    if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) {
1964                        continue;
1965                    }
1966
1967                    /*
1968                     * If the package is scanned, it's not erased.
1969                     */
1970                    final PackageParser.Package scannedPkg = mPackages.get(ps.name);
1971                    if (scannedPkg != null) {
1972                        /*
1973                         * If the system app is both scanned and in the
1974                         * disabled packages list, then it must have been
1975                         * added via OTA. Remove it from the currently
1976                         * scanned package so the previously user-installed
1977                         * application can be scanned.
1978                         */
1979                        if (mSettings.isDisabledSystemPackageLPr(ps.name)) {
1980                            logCriticalInfo(Log.WARN, "Expecting better updated system app for "
1981                                    + ps.name + "; removing system app.  Last known codePath="
1982                                    + ps.codePathString + ", installStatus=" + ps.installStatus
1983                                    + ", versionCode=" + ps.versionCode + "; scanned versionCode="
1984                                    + scannedPkg.mVersionCode);
1985                            removePackageLI(ps, true);
1986                            expectingBetter.put(ps.name, ps.codePath);
1987                        }
1988
1989                        continue;
1990                    }
1991
1992                    if (!mSettings.isDisabledSystemPackageLPr(ps.name)) {
1993                        psit.remove();
1994                        logCriticalInfo(Log.WARN, "System package " + ps.name
1995                                + " no longer exists; wiping its data");
1996                        removeDataDirsLI(null, ps.name);
1997                    } else {
1998                        final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name);
1999                        if (disabledPs.codePath == null || !disabledPs.codePath.exists()) {
2000                            possiblyDeletedUpdatedSystemApps.add(ps.name);
2001                        }
2002                    }
2003                }
2004            }
2005
2006            //look for any incomplete package installations
2007            ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr();
2008            //clean up list
2009            for(int i = 0; i < deletePkgsList.size(); i++) {
2010                //clean up here
2011                cleanupInstallFailedPackage(deletePkgsList.get(i));
2012            }
2013            //delete tmp files
2014            deleteTempPackageFiles();
2015
2016            // Remove any shared userIDs that have no associated packages
2017            mSettings.pruneSharedUsersLPw();
2018
2019            if (!mOnlyCore) {
2020                EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START,
2021                        SystemClock.uptimeMillis());
2022                scanDirLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0);
2023
2024                scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK,
2025                        scanFlags | SCAN_REQUIRE_KNOWN, 0);
2026
2027                /**
2028                 * Remove disable package settings for any updated system
2029                 * apps that were removed via an OTA. If they're not a
2030                 * previously-updated app, remove them completely.
2031                 * Otherwise, just revoke their system-level permissions.
2032                 */
2033                for (String deletedAppName : possiblyDeletedUpdatedSystemApps) {
2034                    PackageParser.Package deletedPkg = mPackages.get(deletedAppName);
2035                    mSettings.removeDisabledSystemPackageLPw(deletedAppName);
2036
2037                    String msg;
2038                    if (deletedPkg == null) {
2039                        msg = "Updated system package " + deletedAppName
2040                                + " no longer exists; wiping its data";
2041                        removeDataDirsLI(null, deletedAppName);
2042                    } else {
2043                        msg = "Updated system app + " + deletedAppName
2044                                + " no longer present; removing system privileges for "
2045                                + deletedAppName;
2046
2047                        deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM;
2048
2049                        PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName);
2050                        deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM;
2051                    }
2052                    logCriticalInfo(Log.WARN, msg);
2053                }
2054
2055                /**
2056                 * Make sure all system apps that we expected to appear on
2057                 * the userdata partition actually showed up. If they never
2058                 * appeared, crawl back and revive the system version.
2059                 */
2060                for (int i = 0; i < expectingBetter.size(); i++) {
2061                    final String packageName = expectingBetter.keyAt(i);
2062                    if (!mPackages.containsKey(packageName)) {
2063                        final File scanFile = expectingBetter.valueAt(i);
2064
2065                        logCriticalInfo(Log.WARN, "Expected better " + packageName
2066                                + " but never showed up; reverting to system");
2067
2068                        final int reparseFlags;
2069                        if (FileUtils.contains(privilegedAppDir, scanFile)) {
2070                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2071                                    | PackageParser.PARSE_IS_SYSTEM_DIR
2072                                    | PackageParser.PARSE_IS_PRIVILEGED;
2073                        } else if (FileUtils.contains(systemAppDir, scanFile)) {
2074                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2075                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
2076                        } else if (FileUtils.contains(vendorAppDir, scanFile)) {
2077                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2078                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
2079                        } else if (FileUtils.contains(oemAppDir, scanFile)) {
2080                            reparseFlags = PackageParser.PARSE_IS_SYSTEM
2081                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
2082                        } else {
2083                            Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile);
2084                            continue;
2085                        }
2086
2087                        mSettings.enableSystemPackageLPw(packageName);
2088
2089                        try {
2090                            scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null);
2091                        } catch (PackageManagerException e) {
2092                            Slog.e(TAG, "Failed to parse original system package: "
2093                                    + e.getMessage());
2094                        }
2095                    }
2096                }
2097            }
2098
2099            // Now that we know all of the shared libraries, update all clients to have
2100            // the correct library paths.
2101            updateAllSharedLibrariesLPw();
2102
2103            for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) {
2104                // NOTE: We ignore potential failures here during a system scan (like
2105                // the rest of the commands above) because there's precious little we
2106                // can do about it. A settings error is reported, though.
2107                adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */,
2108                        false /* force dexopt */, false /* defer dexopt */);
2109            }
2110
2111            // Now that we know all the packages we are keeping,
2112            // read and update their last usage times.
2113            mPackageUsage.readLP();
2114
2115            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END,
2116                    SystemClock.uptimeMillis());
2117            Slog.i(TAG, "Time to scan packages: "
2118                    + ((SystemClock.uptimeMillis()-startTime)/1000f)
2119                    + " seconds");
2120
2121            // If the platform SDK has changed since the last time we booted,
2122            // we need to re-grant app permission to catch any new ones that
2123            // appear.  This is really a hack, and means that apps can in some
2124            // cases get permissions that the user didn't initially explicitly
2125            // allow...  it would be nice to have some better way to handle
2126            // this situation.
2127            final boolean regrantPermissions = mSettings.mInternalSdkPlatform
2128                    != mSdkVersion;
2129            if (regrantPermissions) Slog.i(TAG, "Platform changed from "
2130                    + mSettings.mInternalSdkPlatform + " to " + mSdkVersion
2131                    + "; regranting permissions for internal storage");
2132            mSettings.mInternalSdkPlatform = mSdkVersion;
2133
2134            // For now runtime permissions are toggled via a system property.
2135            if (!RUNTIME_PERMISSIONS_ENABLED) {
2136                // Remove the runtime permissions state if the feature
2137                // was disabled by flipping the system property.
2138                mSettings.deleteRuntimePermissionsFiles();
2139            }
2140
2141            updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
2142                    | (regrantPermissions
2143                            ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
2144                            : 0));
2145
2146            // If this is the first boot, and it is a normal boot, then
2147            // we need to initialize the default preferred apps.
2148            if (!mRestoredSettings && !onlyCore) {
2149                mSettings.readDefaultPreferredAppsLPw(this, 0);
2150            }
2151
2152            // If this is first boot after an OTA, and a normal boot, then
2153            // we need to clear code cache directories.
2154            mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint);
2155            if (mIsUpgrade && !onlyCore) {
2156                Slog.i(TAG, "Build fingerprint changed; clearing code caches");
2157                for (int i = 0; i < mSettings.mPackages.size(); i++) {
2158                    final PackageSetting ps = mSettings.mPackages.valueAt(i);
2159                    deleteCodeCacheDirsLI(ps.volumeUuid, ps.name);
2160                }
2161                mSettings.mFingerprint = Build.FINGERPRINT;
2162            }
2163
2164            // All the changes are done during package scanning.
2165            mSettings.updateInternalDatabaseVersion();
2166
2167            // can downgrade to reader
2168            mSettings.writeLPr();
2169
2170            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY,
2171                    SystemClock.uptimeMillis());
2172
2173            mRequiredVerifierPackage = getRequiredVerifierLPr();
2174
2175            mInstallerService = new PackageInstallerService(context, this);
2176
2177            mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr();
2178            mIntentFilterVerifier = new IntentVerifierProxy(mContext,
2179                    mIntentFilterVerifierComponent);
2180
2181            primeDomainVerificationsLPw(false);
2182
2183        } // synchronized (mPackages)
2184        } // synchronized (mInstallLock)
2185
2186        // Now after opening every single application zip, make sure they
2187        // are all flushed.  Not really needed, but keeps things nice and
2188        // tidy.
2189        Runtime.getRuntime().gc();
2190    }
2191
2192    @Override
2193    public boolean isFirstBoot() {
2194        return !mRestoredSettings;
2195    }
2196
2197    @Override
2198    public boolean isOnlyCoreApps() {
2199        return mOnlyCore;
2200    }
2201
2202    @Override
2203    public boolean isUpgrade() {
2204        return mIsUpgrade;
2205    }
2206
2207    private String getRequiredVerifierLPr() {
2208        final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
2209        final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE,
2210                PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */);
2211
2212        String requiredVerifier = null;
2213
2214        final int N = receivers.size();
2215        for (int i = 0; i < N; i++) {
2216            final ResolveInfo info = receivers.get(i);
2217
2218            if (info.activityInfo == null) {
2219                continue;
2220            }
2221
2222            final String packageName = info.activityInfo.packageName;
2223
2224            if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
2225                    packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) {
2226                continue;
2227            }
2228
2229            if (requiredVerifier != null) {
2230                throw new RuntimeException("There can be only one required verifier");
2231            }
2232
2233            requiredVerifier = packageName;
2234        }
2235
2236        return requiredVerifier;
2237    }
2238
2239    private ComponentName getIntentFilterVerifierComponentNameLPr() {
2240        final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION);
2241        final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE,
2242                PackageManager.GET_DISABLED_COMPONENTS, 0 /* userId */);
2243
2244        ComponentName verifierComponentName = null;
2245
2246        int priority = -1000;
2247        final int N = receivers.size();
2248        for (int i = 0; i < N; i++) {
2249            final ResolveInfo info = receivers.get(i);
2250
2251            if (info.activityInfo == null) {
2252                continue;
2253            }
2254
2255            final String packageName = info.activityInfo.packageName;
2256
2257            final PackageSetting ps = mSettings.mPackages.get(packageName);
2258            if (ps == null) {
2259                continue;
2260            }
2261
2262            if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT,
2263                    packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) {
2264                continue;
2265            }
2266
2267            // Select the IntentFilterVerifier with the highest priority
2268            if (priority < info.priority) {
2269                priority = info.priority;
2270                verifierComponentName = new ComponentName(packageName, info.activityInfo.name);
2271                Slog.d(TAG, "Selecting IntentFilterVerifier: " + verifierComponentName +
2272                        " with priority: " + info.priority);
2273            }
2274        }
2275
2276        return verifierComponentName;
2277    }
2278
2279    private void primeDomainVerificationsLPw(boolean logging) {
2280        Slog.d(TAG, "Start priming domain verification");
2281        boolean updated = false;
2282        ArrayList<String> allHosts = new ArrayList<>();
2283        for (PackageParser.Package pkg : mPackages.values()) {
2284            final String packageName = pkg.packageName;
2285            if (!hasDomainURLs(pkg)) {
2286                if (logging) {
2287                    Slog.d(TAG, "No priming domain verifications for " +
2288                            "package with no domain URLs: " + packageName);
2289                }
2290                continue;
2291            }
2292            if (!pkg.isSystemApp()) {
2293                if (logging) {
2294                    Slog.d(TAG, "No priming domain verifications for a non system package : " +
2295                            packageName);
2296                }
2297                continue;
2298            }
2299            for (PackageParser.Activity a : pkg.activities) {
2300                for (ActivityIntentInfo filter : a.intents) {
2301                    if (hasValidDomains(filter, false)) {
2302                        allHosts.addAll(filter.getHostsList());
2303                    }
2304                }
2305            }
2306            if (allHosts.size() == 0) {
2307                allHosts.add("*");
2308            }
2309            IntentFilterVerificationInfo ivi =
2310                    mSettings.createIntentFilterVerificationIfNeededLPw(packageName, allHosts);
2311            if (ivi != null) {
2312                // We will always log this
2313                Slog.d(TAG, "Priming domain verifications for package: " + packageName);
2314                ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS);
2315                updated = true;
2316            }
2317            else {
2318                if (logging) {
2319                    Slog.d(TAG, "No priming domain verifications for package: " + packageName);
2320                }
2321            }
2322            allHosts.clear();
2323        }
2324        if (updated) {
2325            scheduleWriteSettingsLocked();
2326        }
2327        Slog.d(TAG, "End priming domain verification");
2328    }
2329
2330    @Override
2331    public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
2332            throws RemoteException {
2333        try {
2334            return super.onTransact(code, data, reply, flags);
2335        } catch (RuntimeException e) {
2336            if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) {
2337                Slog.wtf(TAG, "Package Manager Crash", e);
2338            }
2339            throw e;
2340        }
2341    }
2342
2343    void cleanupInstallFailedPackage(PackageSetting ps) {
2344        logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name);
2345
2346        removeDataDirsLI(ps.volumeUuid, ps.name);
2347        if (ps.codePath != null) {
2348            if (ps.codePath.isDirectory()) {
2349                mInstaller.rmPackageDir(ps.codePath.getAbsolutePath());
2350            } else {
2351                ps.codePath.delete();
2352            }
2353        }
2354        if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) {
2355            if (ps.resourcePath.isDirectory()) {
2356                FileUtils.deleteContents(ps.resourcePath);
2357            }
2358            ps.resourcePath.delete();
2359        }
2360        mSettings.removePackageLPw(ps.name);
2361    }
2362
2363    static int[] appendInts(int[] cur, int[] add) {
2364        if (add == null) return cur;
2365        if (cur == null) return add;
2366        final int N = add.length;
2367        for (int i=0; i<N; i++) {
2368            cur = appendInt(cur, add[i]);
2369        }
2370        return cur;
2371    }
2372
2373    PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) {
2374        if (!sUserManager.exists(userId)) return null;
2375        final PackageSetting ps = (PackageSetting) p.mExtras;
2376        if (ps == null) {
2377            return null;
2378        }
2379
2380        final PermissionsState permissionsState = ps.getPermissionsState();
2381
2382        final int[] gids = permissionsState.computeGids(userId);
2383        final Set<String> permissions = permissionsState.getPermissions(userId);
2384        final PackageUserState state = ps.readUserState(userId);
2385
2386        return PackageParser.generatePackageInfo(p, gids, flags,
2387                ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId);
2388    }
2389
2390    @Override
2391    public boolean isPackageFrozen(String packageName) {
2392        synchronized (mPackages) {
2393            final PackageSetting ps = mSettings.mPackages.get(packageName);
2394            if (ps != null) {
2395                return ps.frozen;
2396            }
2397        }
2398        Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen");
2399        return true;
2400    }
2401
2402    @Override
2403    public boolean isPackageAvailable(String packageName, int userId) {
2404        if (!sUserManager.exists(userId)) return false;
2405        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available");
2406        synchronized (mPackages) {
2407            PackageParser.Package p = mPackages.get(packageName);
2408            if (p != null) {
2409                final PackageSetting ps = (PackageSetting) p.mExtras;
2410                if (ps != null) {
2411                    final PackageUserState state = ps.readUserState(userId);
2412                    if (state != null) {
2413                        return PackageParser.isAvailable(state);
2414                    }
2415                }
2416            }
2417        }
2418        return false;
2419    }
2420
2421    @Override
2422    public PackageInfo getPackageInfo(String packageName, int flags, int userId) {
2423        if (!sUserManager.exists(userId)) return null;
2424        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info");
2425        // reader
2426        synchronized (mPackages) {
2427            PackageParser.Package p = mPackages.get(packageName);
2428            if (DEBUG_PACKAGE_INFO)
2429                Log.v(TAG, "getPackageInfo " + packageName + ": " + p);
2430            if (p != null) {
2431                return generatePackageInfo(p, flags, userId);
2432            }
2433            if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
2434                return generatePackageInfoFromSettingsLPw(packageName, flags, userId);
2435            }
2436        }
2437        return null;
2438    }
2439
2440    @Override
2441    public String[] currentToCanonicalPackageNames(String[] names) {
2442        String[] out = new String[names.length];
2443        // reader
2444        synchronized (mPackages) {
2445            for (int i=names.length-1; i>=0; i--) {
2446                PackageSetting ps = mSettings.mPackages.get(names[i]);
2447                out[i] = ps != null && ps.realName != null ? ps.realName : names[i];
2448            }
2449        }
2450        return out;
2451    }
2452
2453    @Override
2454    public String[] canonicalToCurrentPackageNames(String[] names) {
2455        String[] out = new String[names.length];
2456        // reader
2457        synchronized (mPackages) {
2458            for (int i=names.length-1; i>=0; i--) {
2459                String cur = mSettings.mRenamedPackages.get(names[i]);
2460                out[i] = cur != null ? cur : names[i];
2461            }
2462        }
2463        return out;
2464    }
2465
2466    @Override
2467    public int getPackageUid(String packageName, int userId) {
2468        if (!sUserManager.exists(userId)) return -1;
2469        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid");
2470
2471        // reader
2472        synchronized (mPackages) {
2473            PackageParser.Package p = mPackages.get(packageName);
2474            if(p != null) {
2475                return UserHandle.getUid(userId, p.applicationInfo.uid);
2476            }
2477            PackageSetting ps = mSettings.mPackages.get(packageName);
2478            if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) {
2479                return -1;
2480            }
2481            p = ps.pkg;
2482            return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1;
2483        }
2484    }
2485
2486    @Override
2487    public int[] getPackageGids(String packageName, int userId) throws RemoteException {
2488        if (!sUserManager.exists(userId)) {
2489            return null;
2490        }
2491
2492        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false,
2493                "getPackageGids");
2494
2495        // reader
2496        synchronized (mPackages) {
2497            PackageParser.Package p = mPackages.get(packageName);
2498            if (DEBUG_PACKAGE_INFO) {
2499                Log.v(TAG, "getPackageGids" + packageName + ": " + p);
2500            }
2501            if (p != null) {
2502                PackageSetting ps = (PackageSetting) p.mExtras;
2503                return ps.getPermissionsState().computeGids(userId);
2504            }
2505        }
2506
2507        return null;
2508    }
2509
2510    static PermissionInfo generatePermissionInfo(
2511            BasePermission bp, int flags) {
2512        if (bp.perm != null) {
2513            return PackageParser.generatePermissionInfo(bp.perm, flags);
2514        }
2515        PermissionInfo pi = new PermissionInfo();
2516        pi.name = bp.name;
2517        pi.packageName = bp.sourcePackage;
2518        pi.nonLocalizedLabel = bp.name;
2519        pi.protectionLevel = bp.protectionLevel;
2520        return pi;
2521    }
2522
2523    @Override
2524    public PermissionInfo getPermissionInfo(String name, int flags) {
2525        // reader
2526        synchronized (mPackages) {
2527            final BasePermission p = mSettings.mPermissions.get(name);
2528            if (p != null) {
2529                return generatePermissionInfo(p, flags);
2530            }
2531            return null;
2532        }
2533    }
2534
2535    @Override
2536    public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) {
2537        // reader
2538        synchronized (mPackages) {
2539            ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10);
2540            for (BasePermission p : mSettings.mPermissions.values()) {
2541                if (group == null) {
2542                    if (p.perm == null || p.perm.info.group == null) {
2543                        out.add(generatePermissionInfo(p, flags));
2544                    }
2545                } else {
2546                    if (p.perm != null && group.equals(p.perm.info.group)) {
2547                        out.add(PackageParser.generatePermissionInfo(p.perm, flags));
2548                    }
2549                }
2550            }
2551
2552            if (out.size() > 0) {
2553                return out;
2554            }
2555            return mPermissionGroups.containsKey(group) ? out : null;
2556        }
2557    }
2558
2559    @Override
2560    public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) {
2561        // reader
2562        synchronized (mPackages) {
2563            return PackageParser.generatePermissionGroupInfo(
2564                    mPermissionGroups.get(name), flags);
2565        }
2566    }
2567
2568    @Override
2569    public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
2570        // reader
2571        synchronized (mPackages) {
2572            final int N = mPermissionGroups.size();
2573            ArrayList<PermissionGroupInfo> out
2574                    = new ArrayList<PermissionGroupInfo>(N);
2575            for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) {
2576                out.add(PackageParser.generatePermissionGroupInfo(pg, flags));
2577            }
2578            return out;
2579        }
2580    }
2581
2582    private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags,
2583            int userId) {
2584        if (!sUserManager.exists(userId)) return null;
2585        PackageSetting ps = mSettings.mPackages.get(packageName);
2586        if (ps != null) {
2587            if (ps.pkg == null) {
2588                PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName,
2589                        flags, userId);
2590                if (pInfo != null) {
2591                    return pInfo.applicationInfo;
2592                }
2593                return null;
2594            }
2595            return PackageParser.generateApplicationInfo(ps.pkg, flags,
2596                    ps.readUserState(userId), userId);
2597        }
2598        return null;
2599    }
2600
2601    private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags,
2602            int userId) {
2603        if (!sUserManager.exists(userId)) return null;
2604        PackageSetting ps = mSettings.mPackages.get(packageName);
2605        if (ps != null) {
2606            PackageParser.Package pkg = ps.pkg;
2607            if (pkg == null) {
2608                if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) {
2609                    return null;
2610                }
2611                // Only data remains, so we aren't worried about code paths
2612                pkg = new PackageParser.Package(packageName);
2613                pkg.applicationInfo.packageName = packageName;
2614                pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY;
2615                pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags;
2616                pkg.applicationInfo.dataDir = PackageManager.getDataDirForUser(ps.volumeUuid,
2617                        packageName, userId).getAbsolutePath();
2618                pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString;
2619                pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString;
2620            }
2621            return generatePackageInfo(pkg, flags, userId);
2622        }
2623        return null;
2624    }
2625
2626    @Override
2627    public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) {
2628        if (!sUserManager.exists(userId)) return null;
2629        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info");
2630        // writer
2631        synchronized (mPackages) {
2632            PackageParser.Package p = mPackages.get(packageName);
2633            if (DEBUG_PACKAGE_INFO) Log.v(
2634                    TAG, "getApplicationInfo " + packageName
2635                    + ": " + p);
2636            if (p != null) {
2637                PackageSetting ps = mSettings.mPackages.get(packageName);
2638                if (ps == null) return null;
2639                // Note: isEnabledLP() does not apply here - always return info
2640                return PackageParser.generateApplicationInfo(
2641                        p, flags, ps.readUserState(userId), userId);
2642            }
2643            if ("android".equals(packageName)||"system".equals(packageName)) {
2644                return mAndroidApplication;
2645            }
2646            if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
2647                return generateApplicationInfoFromSettingsLPw(packageName, flags, userId);
2648            }
2649        }
2650        return null;
2651    }
2652
2653    @Override
2654    public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize,
2655            final IPackageDataObserver observer) {
2656        mContext.enforceCallingOrSelfPermission(
2657                android.Manifest.permission.CLEAR_APP_CACHE, null);
2658        // Queue up an async operation since clearing cache may take a little while.
2659        mHandler.post(new Runnable() {
2660            public void run() {
2661                mHandler.removeCallbacks(this);
2662                int retCode = -1;
2663                synchronized (mInstallLock) {
2664                    retCode = mInstaller.freeCache(volumeUuid, freeStorageSize);
2665                    if (retCode < 0) {
2666                        Slog.w(TAG, "Couldn't clear application caches");
2667                    }
2668                }
2669                if (observer != null) {
2670                    try {
2671                        observer.onRemoveCompleted(null, (retCode >= 0));
2672                    } catch (RemoteException e) {
2673                        Slog.w(TAG, "RemoveException when invoking call back");
2674                    }
2675                }
2676            }
2677        });
2678    }
2679
2680    @Override
2681    public void freeStorage(final String volumeUuid, final long freeStorageSize,
2682            final IntentSender pi) {
2683        mContext.enforceCallingOrSelfPermission(
2684                android.Manifest.permission.CLEAR_APP_CACHE, null);
2685        // Queue up an async operation since clearing cache may take a little while.
2686        mHandler.post(new Runnable() {
2687            public void run() {
2688                mHandler.removeCallbacks(this);
2689                int retCode = -1;
2690                synchronized (mInstallLock) {
2691                    retCode = mInstaller.freeCache(volumeUuid, freeStorageSize);
2692                    if (retCode < 0) {
2693                        Slog.w(TAG, "Couldn't clear application caches");
2694                    }
2695                }
2696                if(pi != null) {
2697                    try {
2698                        // Callback via pending intent
2699                        int code = (retCode >= 0) ? 1 : 0;
2700                        pi.sendIntent(null, code, null,
2701                                null, null);
2702                    } catch (SendIntentException e1) {
2703                        Slog.i(TAG, "Failed to send pending intent");
2704                    }
2705                }
2706            }
2707        });
2708    }
2709
2710    void freeStorage(String volumeUuid, long freeStorageSize) throws IOException {
2711        synchronized (mInstallLock) {
2712            if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) {
2713                throw new IOException("Failed to free enough space");
2714            }
2715        }
2716    }
2717
2718    @Override
2719    public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) {
2720        if (!sUserManager.exists(userId)) return null;
2721        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info");
2722        synchronized (mPackages) {
2723            PackageParser.Activity a = mActivities.mActivities.get(component);
2724
2725            if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a);
2726            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
2727                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2728                if (ps == null) return null;
2729                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
2730                        userId);
2731            }
2732            if (mResolveComponentName.equals(component)) {
2733                return PackageParser.generateActivityInfo(mResolveActivity, flags,
2734                        new PackageUserState(), userId);
2735            }
2736        }
2737        return null;
2738    }
2739
2740    @Override
2741    public boolean activitySupportsIntent(ComponentName component, Intent intent,
2742            String resolvedType) {
2743        synchronized (mPackages) {
2744            PackageParser.Activity a = mActivities.mActivities.get(component);
2745            if (a == null) {
2746                return false;
2747            }
2748            for (int i=0; i<a.intents.size(); i++) {
2749                if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(),
2750                        intent.getData(), intent.getCategories(), TAG) >= 0) {
2751                    return true;
2752                }
2753            }
2754            return false;
2755        }
2756    }
2757
2758    @Override
2759    public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) {
2760        if (!sUserManager.exists(userId)) return null;
2761        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info");
2762        synchronized (mPackages) {
2763            PackageParser.Activity a = mReceivers.mActivities.get(component);
2764            if (DEBUG_PACKAGE_INFO) Log.v(
2765                TAG, "getReceiverInfo " + component + ": " + a);
2766            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
2767                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2768                if (ps == null) return null;
2769                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
2770                        userId);
2771            }
2772        }
2773        return null;
2774    }
2775
2776    @Override
2777    public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) {
2778        if (!sUserManager.exists(userId)) return null;
2779        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info");
2780        synchronized (mPackages) {
2781            PackageParser.Service s = mServices.mServices.get(component);
2782            if (DEBUG_PACKAGE_INFO) Log.v(
2783                TAG, "getServiceInfo " + component + ": " + s);
2784            if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) {
2785                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2786                if (ps == null) return null;
2787                return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId),
2788                        userId);
2789            }
2790        }
2791        return null;
2792    }
2793
2794    @Override
2795    public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) {
2796        if (!sUserManager.exists(userId)) return null;
2797        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info");
2798        synchronized (mPackages) {
2799            PackageParser.Provider p = mProviders.mProviders.get(component);
2800            if (DEBUG_PACKAGE_INFO) Log.v(
2801                TAG, "getProviderInfo " + component + ": " + p);
2802            if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) {
2803                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2804                if (ps == null) return null;
2805                return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId),
2806                        userId);
2807            }
2808        }
2809        return null;
2810    }
2811
2812    @Override
2813    public String[] getSystemSharedLibraryNames() {
2814        Set<String> libSet;
2815        synchronized (mPackages) {
2816            libSet = mSharedLibraries.keySet();
2817            int size = libSet.size();
2818            if (size > 0) {
2819                String[] libs = new String[size];
2820                libSet.toArray(libs);
2821                return libs;
2822            }
2823        }
2824        return null;
2825    }
2826
2827    /**
2828     * @hide
2829     */
2830    PackageParser.Package findSharedNonSystemLibrary(String libName) {
2831        synchronized (mPackages) {
2832            PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName);
2833            if (lib != null && lib.apk != null) {
2834                return mPackages.get(lib.apk);
2835            }
2836        }
2837        return null;
2838    }
2839
2840    @Override
2841    public FeatureInfo[] getSystemAvailableFeatures() {
2842        Collection<FeatureInfo> featSet;
2843        synchronized (mPackages) {
2844            featSet = mAvailableFeatures.values();
2845            int size = featSet.size();
2846            if (size > 0) {
2847                FeatureInfo[] features = new FeatureInfo[size+1];
2848                featSet.toArray(features);
2849                FeatureInfo fi = new FeatureInfo();
2850                fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version",
2851                        FeatureInfo.GL_ES_VERSION_UNDEFINED);
2852                features[size] = fi;
2853                return features;
2854            }
2855        }
2856        return null;
2857    }
2858
2859    @Override
2860    public boolean hasSystemFeature(String name) {
2861        synchronized (mPackages) {
2862            return mAvailableFeatures.containsKey(name);
2863        }
2864    }
2865
2866    private void checkValidCaller(int uid, int userId) {
2867        if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0)
2868            return;
2869
2870        throw new SecurityException("Caller uid=" + uid
2871                + " is not privileged to communicate with user=" + userId);
2872    }
2873
2874    @Override
2875    public int checkPermission(String permName, String pkgName, int userId) {
2876        if (!sUserManager.exists(userId)) {
2877            return PackageManager.PERMISSION_DENIED;
2878        }
2879
2880        synchronized (mPackages) {
2881            final PackageParser.Package p = mPackages.get(pkgName);
2882            if (p != null && p.mExtras != null) {
2883                final PackageSetting ps = (PackageSetting) p.mExtras;
2884                if (ps.getPermissionsState().hasPermission(permName, userId)) {
2885                    return PackageManager.PERMISSION_GRANTED;
2886                }
2887            }
2888        }
2889
2890        return PackageManager.PERMISSION_DENIED;
2891    }
2892
2893    @Override
2894    public int checkUidPermission(String permName, int uid) {
2895        final int userId = UserHandle.getUserId(uid);
2896
2897        if (!sUserManager.exists(userId)) {
2898            return PackageManager.PERMISSION_DENIED;
2899        }
2900
2901        synchronized (mPackages) {
2902            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
2903            if (obj != null) {
2904                final SettingBase ps = (SettingBase) obj;
2905                if (ps.getPermissionsState().hasPermission(permName, userId)) {
2906                    return PackageManager.PERMISSION_GRANTED;
2907                }
2908            } else {
2909                ArraySet<String> perms = mSystemPermissions.get(uid);
2910                if (perms != null && perms.contains(permName)) {
2911                    return PackageManager.PERMISSION_GRANTED;
2912                }
2913            }
2914        }
2915
2916        return PackageManager.PERMISSION_DENIED;
2917    }
2918
2919    /**
2920     * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS
2921     * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller.
2922     * @param checkShell TODO(yamasani):
2923     * @param message the message to log on security exception
2924     */
2925    void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission,
2926            boolean checkShell, String message) {
2927        if (userId < 0) {
2928            throw new IllegalArgumentException("Invalid userId " + userId);
2929        }
2930        if (checkShell) {
2931            enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId);
2932        }
2933        if (userId == UserHandle.getUserId(callingUid)) return;
2934        if (callingUid != Process.SYSTEM_UID && callingUid != 0) {
2935            if (requireFullPermission) {
2936                mContext.enforceCallingOrSelfPermission(
2937                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
2938            } else {
2939                try {
2940                    mContext.enforceCallingOrSelfPermission(
2941                            android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
2942                } catch (SecurityException se) {
2943                    mContext.enforceCallingOrSelfPermission(
2944                            android.Manifest.permission.INTERACT_ACROSS_USERS, message);
2945                }
2946            }
2947        }
2948    }
2949
2950    void enforceShellRestriction(String restriction, int callingUid, int userHandle) {
2951        if (callingUid == Process.SHELL_UID) {
2952            if (userHandle >= 0
2953                    && sUserManager.hasUserRestriction(restriction, userHandle)) {
2954                throw new SecurityException("Shell does not have permission to access user "
2955                        + userHandle);
2956            } else if (userHandle < 0) {
2957                Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t"
2958                        + Debug.getCallers(3));
2959            }
2960        }
2961    }
2962
2963    private BasePermission findPermissionTreeLP(String permName) {
2964        for(BasePermission bp : mSettings.mPermissionTrees.values()) {
2965            if (permName.startsWith(bp.name) &&
2966                    permName.length() > bp.name.length() &&
2967                    permName.charAt(bp.name.length()) == '.') {
2968                return bp;
2969            }
2970        }
2971        return null;
2972    }
2973
2974    private BasePermission checkPermissionTreeLP(String permName) {
2975        if (permName != null) {
2976            BasePermission bp = findPermissionTreeLP(permName);
2977            if (bp != null) {
2978                if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) {
2979                    return bp;
2980                }
2981                throw new SecurityException("Calling uid "
2982                        + Binder.getCallingUid()
2983                        + " is not allowed to add to permission tree "
2984                        + bp.name + " owned by uid " + bp.uid);
2985            }
2986        }
2987        throw new SecurityException("No permission tree found for " + permName);
2988    }
2989
2990    static boolean compareStrings(CharSequence s1, CharSequence s2) {
2991        if (s1 == null) {
2992            return s2 == null;
2993        }
2994        if (s2 == null) {
2995            return false;
2996        }
2997        if (s1.getClass() != s2.getClass()) {
2998            return false;
2999        }
3000        return s1.equals(s2);
3001    }
3002
3003    static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) {
3004        if (pi1.icon != pi2.icon) return false;
3005        if (pi1.logo != pi2.logo) return false;
3006        if (pi1.protectionLevel != pi2.protectionLevel) return false;
3007        if (!compareStrings(pi1.name, pi2.name)) return false;
3008        if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false;
3009        // We'll take care of setting this one.
3010        if (!compareStrings(pi1.packageName, pi2.packageName)) return false;
3011        // These are not currently stored in settings.
3012        //if (!compareStrings(pi1.group, pi2.group)) return false;
3013        //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false;
3014        //if (pi1.labelRes != pi2.labelRes) return false;
3015        //if (pi1.descriptionRes != pi2.descriptionRes) return false;
3016        return true;
3017    }
3018
3019    int permissionInfoFootprint(PermissionInfo info) {
3020        int size = info.name.length();
3021        if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length();
3022        if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length();
3023        return size;
3024    }
3025
3026    int calculateCurrentPermissionFootprintLocked(BasePermission tree) {
3027        int size = 0;
3028        for (BasePermission perm : mSettings.mPermissions.values()) {
3029            if (perm.uid == tree.uid) {
3030                size += perm.name.length() + permissionInfoFootprint(perm.perm.info);
3031            }
3032        }
3033        return size;
3034    }
3035
3036    void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) {
3037        // We calculate the max size of permissions defined by this uid and throw
3038        // if that plus the size of 'info' would exceed our stated maximum.
3039        if (tree.uid != Process.SYSTEM_UID) {
3040            final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree);
3041            if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) {
3042                throw new SecurityException("Permission tree size cap exceeded");
3043            }
3044        }
3045    }
3046
3047    boolean addPermissionLocked(PermissionInfo info, boolean async) {
3048        if (info.labelRes == 0 && info.nonLocalizedLabel == null) {
3049            throw new SecurityException("Label must be specified in permission");
3050        }
3051        BasePermission tree = checkPermissionTreeLP(info.name);
3052        BasePermission bp = mSettings.mPermissions.get(info.name);
3053        boolean added = bp == null;
3054        boolean changed = true;
3055        int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel);
3056        if (added) {
3057            enforcePermissionCapLocked(info, tree);
3058            bp = new BasePermission(info.name, tree.sourcePackage,
3059                    BasePermission.TYPE_DYNAMIC);
3060        } else if (bp.type != BasePermission.TYPE_DYNAMIC) {
3061            throw new SecurityException(
3062                    "Not allowed to modify non-dynamic permission "
3063                    + info.name);
3064        } else {
3065            if (bp.protectionLevel == fixedLevel
3066                    && bp.perm.owner.equals(tree.perm.owner)
3067                    && bp.uid == tree.uid
3068                    && comparePermissionInfos(bp.perm.info, info)) {
3069                changed = false;
3070            }
3071        }
3072        bp.protectionLevel = fixedLevel;
3073        info = new PermissionInfo(info);
3074        info.protectionLevel = fixedLevel;
3075        bp.perm = new PackageParser.Permission(tree.perm.owner, info);
3076        bp.perm.info.packageName = tree.perm.info.packageName;
3077        bp.uid = tree.uid;
3078        if (added) {
3079            mSettings.mPermissions.put(info.name, bp);
3080        }
3081        if (changed) {
3082            if (!async) {
3083                mSettings.writeLPr();
3084            } else {
3085                scheduleWriteSettingsLocked();
3086            }
3087        }
3088        return added;
3089    }
3090
3091    @Override
3092    public boolean addPermission(PermissionInfo info) {
3093        synchronized (mPackages) {
3094            return addPermissionLocked(info, false);
3095        }
3096    }
3097
3098    @Override
3099    public boolean addPermissionAsync(PermissionInfo info) {
3100        synchronized (mPackages) {
3101            return addPermissionLocked(info, true);
3102        }
3103    }
3104
3105    @Override
3106    public void removePermission(String name) {
3107        synchronized (mPackages) {
3108            checkPermissionTreeLP(name);
3109            BasePermission bp = mSettings.mPermissions.get(name);
3110            if (bp != null) {
3111                if (bp.type != BasePermission.TYPE_DYNAMIC) {
3112                    throw new SecurityException(
3113                            "Not allowed to modify non-dynamic permission "
3114                            + name);
3115                }
3116                mSettings.mPermissions.remove(name);
3117                mSettings.writeLPr();
3118            }
3119        }
3120    }
3121
3122    private static void enforceDeclaredAsUsedAndRuntimePermission(PackageParser.Package pkg,
3123            BasePermission bp) {
3124        int index = pkg.requestedPermissions.indexOf(bp.name);
3125        if (index == -1) {
3126            throw new SecurityException("Package " + pkg.packageName
3127                    + " has not requested permission " + bp.name);
3128        }
3129        if (!bp.isRuntime()) {
3130            throw new SecurityException("Permission " + bp.name
3131                    + " is not a changeable permission type");
3132        }
3133    }
3134
3135    @Override
3136    public boolean grantPermission(String packageName, String name, int userId) {
3137        if (!RUNTIME_PERMISSIONS_ENABLED) {
3138            return false;
3139        }
3140
3141        if (!sUserManager.exists(userId)) {
3142            return false;
3143        }
3144
3145        mContext.enforceCallingOrSelfPermission(
3146                android.Manifest.permission.GRANT_REVOKE_PERMISSIONS,
3147                "grantPermission");
3148
3149        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
3150                "grantPermission");
3151
3152        boolean gidsChanged = false;
3153        final SettingBase sb;
3154
3155        synchronized (mPackages) {
3156            final PackageParser.Package pkg = mPackages.get(packageName);
3157            if (pkg == null) {
3158                throw new IllegalArgumentException("Unknown package: " + packageName);
3159            }
3160
3161            final BasePermission bp = mSettings.mPermissions.get(name);
3162            if (bp == null) {
3163                throw new IllegalArgumentException("Unknown permission: " + name);
3164            }
3165
3166            enforceDeclaredAsUsedAndRuntimePermission(pkg, bp);
3167
3168            sb = (SettingBase) pkg.mExtras;
3169            if (sb == null) {
3170                throw new IllegalArgumentException("Unknown package: " + packageName);
3171            }
3172
3173            final PermissionsState permissionsState = sb.getPermissionsState();
3174
3175            final int result = permissionsState.grantRuntimePermission(bp, userId);
3176            switch (result) {
3177                case PermissionsState.PERMISSION_OPERATION_FAILURE: {
3178                    return false;
3179                }
3180
3181                case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: {
3182                    gidsChanged = true;
3183                } break;
3184            }
3185
3186            // Not critical if that is lost - app has to request again.
3187            mSettings.writeRuntimePermissionsForUserLPr(userId, false);
3188        }
3189
3190        if (gidsChanged) {
3191            killSettingPackagesForUser(sb, userId, KILL_APP_REASON_GIDS_CHANGED);
3192        }
3193
3194        return true;
3195    }
3196
3197    @Override
3198    public boolean revokePermission(String packageName, String name, int userId) {
3199        if (!RUNTIME_PERMISSIONS_ENABLED) {
3200            return false;
3201        }
3202
3203        if (!sUserManager.exists(userId)) {
3204            return false;
3205        }
3206
3207        mContext.enforceCallingOrSelfPermission(
3208                android.Manifest.permission.GRANT_REVOKE_PERMISSIONS,
3209                "revokePermission");
3210
3211        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false,
3212                "revokePermission");
3213
3214        final SettingBase sb;
3215
3216        synchronized (mPackages) {
3217            final PackageParser.Package pkg = mPackages.get(packageName);
3218            if (pkg == null) {
3219                throw new IllegalArgumentException("Unknown package: " + packageName);
3220            }
3221
3222            final BasePermission bp = mSettings.mPermissions.get(name);
3223            if (bp == null) {
3224                throw new IllegalArgumentException("Unknown permission: " + name);
3225            }
3226
3227            enforceDeclaredAsUsedAndRuntimePermission(pkg, bp);
3228
3229            sb = (SettingBase) pkg.mExtras;
3230            if (sb == null) {
3231                throw new IllegalArgumentException("Unknown package: " + packageName);
3232            }
3233
3234            final PermissionsState permissionsState = sb.getPermissionsState();
3235
3236            if (permissionsState.revokeRuntimePermission(bp, userId) ==
3237                    PermissionsState.PERMISSION_OPERATION_FAILURE) {
3238                return false;
3239            }
3240
3241            // Critical, after this call all should never have the permission.
3242            mSettings.writeRuntimePermissionsForUserLPr(userId, true);
3243        }
3244
3245        killSettingPackagesForUser(sb, userId, KILL_APP_REASON_PERMISSIONS_REVOKED);
3246
3247        return true;
3248    }
3249
3250    @Override
3251    public boolean isProtectedBroadcast(String actionName) {
3252        synchronized (mPackages) {
3253            return mProtectedBroadcasts.contains(actionName);
3254        }
3255    }
3256
3257    @Override
3258    public int checkSignatures(String pkg1, String pkg2) {
3259        synchronized (mPackages) {
3260            final PackageParser.Package p1 = mPackages.get(pkg1);
3261            final PackageParser.Package p2 = mPackages.get(pkg2);
3262            if (p1 == null || p1.mExtras == null
3263                    || p2 == null || p2.mExtras == null) {
3264                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3265            }
3266            return compareSignatures(p1.mSignatures, p2.mSignatures);
3267        }
3268    }
3269
3270    @Override
3271    public int checkUidSignatures(int uid1, int uid2) {
3272        // Map to base uids.
3273        uid1 = UserHandle.getAppId(uid1);
3274        uid2 = UserHandle.getAppId(uid2);
3275        // reader
3276        synchronized (mPackages) {
3277            Signature[] s1;
3278            Signature[] s2;
3279            Object obj = mSettings.getUserIdLPr(uid1);
3280            if (obj != null) {
3281                if (obj instanceof SharedUserSetting) {
3282                    s1 = ((SharedUserSetting)obj).signatures.mSignatures;
3283                } else if (obj instanceof PackageSetting) {
3284                    s1 = ((PackageSetting)obj).signatures.mSignatures;
3285                } else {
3286                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3287                }
3288            } else {
3289                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3290            }
3291            obj = mSettings.getUserIdLPr(uid2);
3292            if (obj != null) {
3293                if (obj instanceof SharedUserSetting) {
3294                    s2 = ((SharedUserSetting)obj).signatures.mSignatures;
3295                } else if (obj instanceof PackageSetting) {
3296                    s2 = ((PackageSetting)obj).signatures.mSignatures;
3297                } else {
3298                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3299                }
3300            } else {
3301                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
3302            }
3303            return compareSignatures(s1, s2);
3304        }
3305    }
3306
3307    private void killSettingPackagesForUser(SettingBase sb, int userId, String reason) {
3308        final long identity = Binder.clearCallingIdentity();
3309        try {
3310            if (sb instanceof SharedUserSetting) {
3311                SharedUserSetting sus = (SharedUserSetting) sb;
3312                final int packageCount = sus.packages.size();
3313                for (int i = 0; i < packageCount; i++) {
3314                    PackageSetting susPs = sus.packages.valueAt(i);
3315                    if (userId == UserHandle.USER_ALL) {
3316                        killApplication(susPs.pkg.packageName, susPs.appId, reason);
3317                    } else {
3318                        final int uid = UserHandle.getUid(userId, susPs.appId);
3319                        killUid(uid, reason);
3320                    }
3321                }
3322            } else if (sb instanceof PackageSetting) {
3323                PackageSetting ps = (PackageSetting) sb;
3324                if (userId == UserHandle.USER_ALL) {
3325                    killApplication(ps.pkg.packageName, ps.appId, reason);
3326                } else {
3327                    final int uid = UserHandle.getUid(userId, ps.appId);
3328                    killUid(uid, reason);
3329                }
3330            }
3331        } finally {
3332            Binder.restoreCallingIdentity(identity);
3333        }
3334    }
3335
3336    private static void killUid(int uid, String reason) {
3337        IActivityManager am = ActivityManagerNative.getDefault();
3338        if (am != null) {
3339            try {
3340                am.killUid(uid, reason);
3341            } catch (RemoteException e) {
3342                /* ignore - same process */
3343            }
3344        }
3345    }
3346
3347    /**
3348     * Compares two sets of signatures. Returns:
3349     * <br />
3350     * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null,
3351     * <br />
3352     * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null,
3353     * <br />
3354     * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null,
3355     * <br />
3356     * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical,
3357     * <br />
3358     * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ.
3359     */
3360    static int compareSignatures(Signature[] s1, Signature[] s2) {
3361        if (s1 == null) {
3362            return s2 == null
3363                    ? PackageManager.SIGNATURE_NEITHER_SIGNED
3364                    : PackageManager.SIGNATURE_FIRST_NOT_SIGNED;
3365        }
3366
3367        if (s2 == null) {
3368            return PackageManager.SIGNATURE_SECOND_NOT_SIGNED;
3369        }
3370
3371        if (s1.length != s2.length) {
3372            return PackageManager.SIGNATURE_NO_MATCH;
3373        }
3374
3375        // Since both signature sets are of size 1, we can compare without HashSets.
3376        if (s1.length == 1) {
3377            return s1[0].equals(s2[0]) ?
3378                    PackageManager.SIGNATURE_MATCH :
3379                    PackageManager.SIGNATURE_NO_MATCH;
3380        }
3381
3382        ArraySet<Signature> set1 = new ArraySet<Signature>();
3383        for (Signature sig : s1) {
3384            set1.add(sig);
3385        }
3386        ArraySet<Signature> set2 = new ArraySet<Signature>();
3387        for (Signature sig : s2) {
3388            set2.add(sig);
3389        }
3390        // Make sure s2 contains all signatures in s1.
3391        if (set1.equals(set2)) {
3392            return PackageManager.SIGNATURE_MATCH;
3393        }
3394        return PackageManager.SIGNATURE_NO_MATCH;
3395    }
3396
3397    /**
3398     * If the database version for this type of package (internal storage or
3399     * external storage) is less than the version where package signatures
3400     * were updated, return true.
3401     */
3402    private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) {
3403        return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan(
3404                DatabaseVersion.SIGNATURE_END_ENTITY))
3405                || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan(
3406                        DatabaseVersion.SIGNATURE_END_ENTITY));
3407    }
3408
3409    /**
3410     * Used for backward compatibility to make sure any packages with
3411     * certificate chains get upgraded to the new style. {@code existingSigs}
3412     * will be in the old format (since they were stored on disk from before the
3413     * system upgrade) and {@code scannedSigs} will be in the newer format.
3414     */
3415    private int compareSignaturesCompat(PackageSignatures existingSigs,
3416            PackageParser.Package scannedPkg) {
3417        if (!isCompatSignatureUpdateNeeded(scannedPkg)) {
3418            return PackageManager.SIGNATURE_NO_MATCH;
3419        }
3420
3421        ArraySet<Signature> existingSet = new ArraySet<Signature>();
3422        for (Signature sig : existingSigs.mSignatures) {
3423            existingSet.add(sig);
3424        }
3425        ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>();
3426        for (Signature sig : scannedPkg.mSignatures) {
3427            try {
3428                Signature[] chainSignatures = sig.getChainSignatures();
3429                for (Signature chainSig : chainSignatures) {
3430                    scannedCompatSet.add(chainSig);
3431                }
3432            } catch (CertificateEncodingException e) {
3433                scannedCompatSet.add(sig);
3434            }
3435        }
3436        /*
3437         * Make sure the expanded scanned set contains all signatures in the
3438         * existing one.
3439         */
3440        if (scannedCompatSet.equals(existingSet)) {
3441            // Migrate the old signatures to the new scheme.
3442            existingSigs.assignSignatures(scannedPkg.mSignatures);
3443            // The new KeySets will be re-added later in the scanning process.
3444            synchronized (mPackages) {
3445                mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName);
3446            }
3447            return PackageManager.SIGNATURE_MATCH;
3448        }
3449        return PackageManager.SIGNATURE_NO_MATCH;
3450    }
3451
3452    private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) {
3453        if (isExternal(scannedPkg)) {
3454            return mSettings.isExternalDatabaseVersionOlderThan(
3455                    DatabaseVersion.SIGNATURE_MALFORMED_RECOVER);
3456        } else {
3457            return mSettings.isInternalDatabaseVersionOlderThan(
3458                    DatabaseVersion.SIGNATURE_MALFORMED_RECOVER);
3459        }
3460    }
3461
3462    private int compareSignaturesRecover(PackageSignatures existingSigs,
3463            PackageParser.Package scannedPkg) {
3464        if (!isRecoverSignatureUpdateNeeded(scannedPkg)) {
3465            return PackageManager.SIGNATURE_NO_MATCH;
3466        }
3467
3468        String msg = null;
3469        try {
3470            if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) {
3471                logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for "
3472                        + scannedPkg.packageName);
3473                return PackageManager.SIGNATURE_MATCH;
3474            }
3475        } catch (CertificateException e) {
3476            msg = e.getMessage();
3477        }
3478
3479        logCriticalInfo(Log.INFO,
3480                "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg);
3481        return PackageManager.SIGNATURE_NO_MATCH;
3482    }
3483
3484    @Override
3485    public String[] getPackagesForUid(int uid) {
3486        uid = UserHandle.getAppId(uid);
3487        // reader
3488        synchronized (mPackages) {
3489            Object obj = mSettings.getUserIdLPr(uid);
3490            if (obj instanceof SharedUserSetting) {
3491                final SharedUserSetting sus = (SharedUserSetting) obj;
3492                final int N = sus.packages.size();
3493                final String[] res = new String[N];
3494                final Iterator<PackageSetting> it = sus.packages.iterator();
3495                int i = 0;
3496                while (it.hasNext()) {
3497                    res[i++] = it.next().name;
3498                }
3499                return res;
3500            } else if (obj instanceof PackageSetting) {
3501                final PackageSetting ps = (PackageSetting) obj;
3502                return new String[] { ps.name };
3503            }
3504        }
3505        return null;
3506    }
3507
3508    @Override
3509    public String getNameForUid(int uid) {
3510        // reader
3511        synchronized (mPackages) {
3512            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
3513            if (obj instanceof SharedUserSetting) {
3514                final SharedUserSetting sus = (SharedUserSetting) obj;
3515                return sus.name + ":" + sus.userId;
3516            } else if (obj instanceof PackageSetting) {
3517                final PackageSetting ps = (PackageSetting) obj;
3518                return ps.name;
3519            }
3520        }
3521        return null;
3522    }
3523
3524    @Override
3525    public int getUidForSharedUser(String sharedUserName) {
3526        if(sharedUserName == null) {
3527            return -1;
3528        }
3529        // reader
3530        synchronized (mPackages) {
3531            final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false);
3532            if (suid == null) {
3533                return -1;
3534            }
3535            return suid.userId;
3536        }
3537    }
3538
3539    @Override
3540    public int getFlagsForUid(int uid) {
3541        synchronized (mPackages) {
3542            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
3543            if (obj instanceof SharedUserSetting) {
3544                final SharedUserSetting sus = (SharedUserSetting) obj;
3545                return sus.pkgFlags;
3546            } else if (obj instanceof PackageSetting) {
3547                final PackageSetting ps = (PackageSetting) obj;
3548                return ps.pkgFlags;
3549            }
3550        }
3551        return 0;
3552    }
3553
3554    @Override
3555    public int getPrivateFlagsForUid(int uid) {
3556        synchronized (mPackages) {
3557            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
3558            if (obj instanceof SharedUserSetting) {
3559                final SharedUserSetting sus = (SharedUserSetting) obj;
3560                return sus.pkgPrivateFlags;
3561            } else if (obj instanceof PackageSetting) {
3562                final PackageSetting ps = (PackageSetting) obj;
3563                return ps.pkgPrivateFlags;
3564            }
3565        }
3566        return 0;
3567    }
3568
3569    @Override
3570    public boolean isUidPrivileged(int uid) {
3571        uid = UserHandle.getAppId(uid);
3572        // reader
3573        synchronized (mPackages) {
3574            Object obj = mSettings.getUserIdLPr(uid);
3575            if (obj instanceof SharedUserSetting) {
3576                final SharedUserSetting sus = (SharedUserSetting) obj;
3577                final Iterator<PackageSetting> it = sus.packages.iterator();
3578                while (it.hasNext()) {
3579                    if (it.next().isPrivileged()) {
3580                        return true;
3581                    }
3582                }
3583            } else if (obj instanceof PackageSetting) {
3584                final PackageSetting ps = (PackageSetting) obj;
3585                return ps.isPrivileged();
3586            }
3587        }
3588        return false;
3589    }
3590
3591    @Override
3592    public String[] getAppOpPermissionPackages(String permissionName) {
3593        synchronized (mPackages) {
3594            ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName);
3595            if (pkgs == null) {
3596                return null;
3597            }
3598            return pkgs.toArray(new String[pkgs.size()]);
3599        }
3600    }
3601
3602    @Override
3603    public ResolveInfo resolveIntent(Intent intent, String resolvedType,
3604            int flags, int userId) {
3605        if (!sUserManager.exists(userId)) return null;
3606        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent");
3607        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
3608        return chooseBestActivity(intent, resolvedType, flags, query, userId);
3609    }
3610
3611    @Override
3612    public void setLastChosenActivity(Intent intent, String resolvedType, int flags,
3613            IntentFilter filter, int match, ComponentName activity) {
3614        final int userId = UserHandle.getCallingUserId();
3615        if (DEBUG_PREFERRED) {
3616            Log.v(TAG, "setLastChosenActivity intent=" + intent
3617                + " resolvedType=" + resolvedType
3618                + " flags=" + flags
3619                + " filter=" + filter
3620                + " match=" + match
3621                + " activity=" + activity);
3622            filter.dump(new PrintStreamPrinter(System.out), "    ");
3623        }
3624        intent.setComponent(null);
3625        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
3626        // Find any earlier preferred or last chosen entries and nuke them
3627        findPreferredActivity(intent, resolvedType,
3628                flags, query, 0, false, true, false, userId);
3629        // Add the new activity as the last chosen for this filter
3630        addPreferredActivityInternal(filter, match, null, activity, false, userId,
3631                "Setting last chosen");
3632    }
3633
3634    @Override
3635    public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) {
3636        final int userId = UserHandle.getCallingUserId();
3637        if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent);
3638        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
3639        return findPreferredActivity(intent, resolvedType, flags, query, 0,
3640                false, false, false, userId);
3641    }
3642
3643    private ResolveInfo chooseBestActivity(Intent intent, String resolvedType,
3644            int flags, List<ResolveInfo> query, int userId) {
3645        if (query != null) {
3646            final int N = query.size();
3647            if (N == 1) {
3648                return query.get(0);
3649            } else if (N > 1) {
3650                final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0);
3651                // If there is more than one activity with the same priority,
3652                // then let the user decide between them.
3653                ResolveInfo r0 = query.get(0);
3654                ResolveInfo r1 = query.get(1);
3655                if (DEBUG_INTENT_MATCHING || debug) {
3656                    Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs "
3657                            + r1.activityInfo.name + "=" + r1.priority);
3658                }
3659                // If the first activity has a higher priority, or a different
3660                // default, then it is always desireable to pick it.
3661                if (r0.priority != r1.priority
3662                        || r0.preferredOrder != r1.preferredOrder
3663                        || r0.isDefault != r1.isDefault) {
3664                    return query.get(0);
3665                }
3666                // If we have saved a preference for a preferred activity for
3667                // this Intent, use that.
3668                ResolveInfo ri = findPreferredActivity(intent, resolvedType,
3669                        flags, query, r0.priority, true, false, debug, userId);
3670                if (ri != null) {
3671                    return ri;
3672                }
3673                if (userId != 0) {
3674                    ri = new ResolveInfo(mResolveInfo);
3675                    ri.activityInfo = new ActivityInfo(ri.activityInfo);
3676                    ri.activityInfo.applicationInfo = new ApplicationInfo(
3677                            ri.activityInfo.applicationInfo);
3678                    ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId,
3679                            UserHandle.getAppId(ri.activityInfo.applicationInfo.uid));
3680                    return ri;
3681                }
3682                return mResolveInfo;
3683            }
3684        }
3685        return null;
3686    }
3687
3688    private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType,
3689            int flags, List<ResolveInfo> query, boolean debug, int userId) {
3690        final int N = query.size();
3691        PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
3692                .get(userId);
3693        // Get the list of persistent preferred activities that handle the intent
3694        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities...");
3695        List<PersistentPreferredActivity> pprefs = ppir != null
3696                ? ppir.queryIntent(intent, resolvedType,
3697                        (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
3698                : null;
3699        if (pprefs != null && pprefs.size() > 0) {
3700            final int M = pprefs.size();
3701            for (int i=0; i<M; i++) {
3702                final PersistentPreferredActivity ppa = pprefs.get(i);
3703                if (DEBUG_PREFERRED || debug) {
3704                    Slog.v(TAG, "Checking PersistentPreferredActivity ds="
3705                            + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>")
3706                            + "\n  component=" + ppa.mComponent);
3707                    ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3708                }
3709                final ActivityInfo ai = getActivityInfo(ppa.mComponent,
3710                        flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
3711                if (DEBUG_PREFERRED || debug) {
3712                    Slog.v(TAG, "Found persistent preferred activity:");
3713                    if (ai != null) {
3714                        ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3715                    } else {
3716                        Slog.v(TAG, "  null");
3717                    }
3718                }
3719                if (ai == null) {
3720                    // This previously registered persistent preferred activity
3721                    // component is no longer known. Ignore it and do NOT remove it.
3722                    continue;
3723                }
3724                for (int j=0; j<N; j++) {
3725                    final ResolveInfo ri = query.get(j);
3726                    if (!ri.activityInfo.applicationInfo.packageName
3727                            .equals(ai.applicationInfo.packageName)) {
3728                        continue;
3729                    }
3730                    if (!ri.activityInfo.name.equals(ai.name)) {
3731                        continue;
3732                    }
3733                    //  Found a persistent preference that can handle the intent.
3734                    if (DEBUG_PREFERRED || debug) {
3735                        Slog.v(TAG, "Returning persistent preferred activity: " +
3736                                ri.activityInfo.packageName + "/" + ri.activityInfo.name);
3737                    }
3738                    return ri;
3739                }
3740            }
3741        }
3742        return null;
3743    }
3744
3745    ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags,
3746            List<ResolveInfo> query, int priority, boolean always,
3747            boolean removeMatches, boolean debug, int userId) {
3748        if (!sUserManager.exists(userId)) return null;
3749        // writer
3750        synchronized (mPackages) {
3751            if (intent.getSelector() != null) {
3752                intent = intent.getSelector();
3753            }
3754            if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION);
3755
3756            // Try to find a matching persistent preferred activity.
3757            ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query,
3758                    debug, userId);
3759
3760            // If a persistent preferred activity matched, use it.
3761            if (pri != null) {
3762                return pri;
3763            }
3764
3765            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
3766            // Get the list of preferred activities that handle the intent
3767            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities...");
3768            List<PreferredActivity> prefs = pir != null
3769                    ? pir.queryIntent(intent, resolvedType,
3770                            (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
3771                    : null;
3772            if (prefs != null && prefs.size() > 0) {
3773                boolean changed = false;
3774                try {
3775                    // First figure out how good the original match set is.
3776                    // We will only allow preferred activities that came
3777                    // from the same match quality.
3778                    int match = 0;
3779
3780                    if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match...");
3781
3782                    final int N = query.size();
3783                    for (int j=0; j<N; j++) {
3784                        final ResolveInfo ri = query.get(j);
3785                        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo
3786                                + ": 0x" + Integer.toHexString(match));
3787                        if (ri.match > match) {
3788                            match = ri.match;
3789                        }
3790                    }
3791
3792                    if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x"
3793                            + Integer.toHexString(match));
3794
3795                    match &= IntentFilter.MATCH_CATEGORY_MASK;
3796                    final int M = prefs.size();
3797                    for (int i=0; i<M; i++) {
3798                        final PreferredActivity pa = prefs.get(i);
3799                        if (DEBUG_PREFERRED || debug) {
3800                            Slog.v(TAG, "Checking PreferredActivity ds="
3801                                    + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>")
3802                                    + "\n  component=" + pa.mPref.mComponent);
3803                            pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3804                        }
3805                        if (pa.mPref.mMatch != match) {
3806                            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match "
3807                                    + Integer.toHexString(pa.mPref.mMatch));
3808                            continue;
3809                        }
3810                        // If it's not an "always" type preferred activity and that's what we're
3811                        // looking for, skip it.
3812                        if (always && !pa.mPref.mAlways) {
3813                            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry");
3814                            continue;
3815                        }
3816                        final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent,
3817                                flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
3818                        if (DEBUG_PREFERRED || debug) {
3819                            Slog.v(TAG, "Found preferred activity:");
3820                            if (ai != null) {
3821                                ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3822                            } else {
3823                                Slog.v(TAG, "  null");
3824                            }
3825                        }
3826                        if (ai == null) {
3827                            // This previously registered preferred activity
3828                            // component is no longer known.  Most likely an update
3829                            // to the app was installed and in the new version this
3830                            // component no longer exists.  Clean it up by removing
3831                            // it from the preferred activities list, and skip it.
3832                            Slog.w(TAG, "Removing dangling preferred activity: "
3833                                    + pa.mPref.mComponent);
3834                            pir.removeFilter(pa);
3835                            changed = true;
3836                            continue;
3837                        }
3838                        for (int j=0; j<N; j++) {
3839                            final ResolveInfo ri = query.get(j);
3840                            if (!ri.activityInfo.applicationInfo.packageName
3841                                    .equals(ai.applicationInfo.packageName)) {
3842                                continue;
3843                            }
3844                            if (!ri.activityInfo.name.equals(ai.name)) {
3845                                continue;
3846                            }
3847
3848                            if (removeMatches) {
3849                                pir.removeFilter(pa);
3850                                changed = true;
3851                                if (DEBUG_PREFERRED) {
3852                                    Slog.v(TAG, "Removing match " + pa.mPref.mComponent);
3853                                }
3854                                break;
3855                            }
3856
3857                            // Okay we found a previously set preferred or last chosen app.
3858                            // If the result set is different from when this
3859                            // was created, we need to clear it and re-ask the
3860                            // user their preference, if we're looking for an "always" type entry.
3861                            if (always && !pa.mPref.sameSet(query)) {
3862                                Slog.i(TAG, "Result set changed, dropping preferred activity for "
3863                                        + intent + " type " + resolvedType);
3864                                if (DEBUG_PREFERRED) {
3865                                    Slog.v(TAG, "Removing preferred activity since set changed "
3866                                            + pa.mPref.mComponent);
3867                                }
3868                                pir.removeFilter(pa);
3869                                // Re-add the filter as a "last chosen" entry (!always)
3870                                PreferredActivity lastChosen = new PreferredActivity(
3871                                        pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false);
3872                                pir.addFilter(lastChosen);
3873                                changed = true;
3874                                return null;
3875                            }
3876
3877                            // Yay! Either the set matched or we're looking for the last chosen
3878                            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: "
3879                                    + ri.activityInfo.packageName + "/" + ri.activityInfo.name);
3880                            return ri;
3881                        }
3882                    }
3883                } finally {
3884                    if (changed) {
3885                        if (DEBUG_PREFERRED) {
3886                            Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions");
3887                        }
3888                        scheduleWritePackageRestrictionsLocked(userId);
3889                    }
3890                }
3891            }
3892        }
3893        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return");
3894        return null;
3895    }
3896
3897    /*
3898     * Returns if intent can be forwarded from the sourceUserId to the targetUserId
3899     */
3900    @Override
3901    public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId,
3902            int targetUserId) {
3903        mContext.enforceCallingOrSelfPermission(
3904                android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
3905        List<CrossProfileIntentFilter> matches =
3906                getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId);
3907        if (matches != null) {
3908            int size = matches.size();
3909            for (int i = 0; i < size; i++) {
3910                if (matches.get(i).getTargetUserId() == targetUserId) return true;
3911            }
3912        }
3913        return false;
3914    }
3915
3916    private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent,
3917            String resolvedType, int userId) {
3918        CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId);
3919        if (resolver != null) {
3920            return resolver.queryIntent(intent, resolvedType, false, userId);
3921        }
3922        return null;
3923    }
3924
3925    @Override
3926    public List<ResolveInfo> queryIntentActivities(Intent intent,
3927            String resolvedType, int flags, int userId) {
3928        if (!sUserManager.exists(userId)) return Collections.emptyList();
3929        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities");
3930        ComponentName comp = intent.getComponent();
3931        if (comp == null) {
3932            if (intent.getSelector() != null) {
3933                intent = intent.getSelector();
3934                comp = intent.getComponent();
3935            }
3936        }
3937
3938        if (comp != null) {
3939            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3940            final ActivityInfo ai = getActivityInfo(comp, flags, userId);
3941            if (ai != null) {
3942                final ResolveInfo ri = new ResolveInfo();
3943                ri.activityInfo = ai;
3944                list.add(ri);
3945            }
3946            return list;
3947        }
3948
3949        // reader
3950        synchronized (mPackages) {
3951            final String pkgName = intent.getPackage();
3952            if (pkgName == null) {
3953                List<CrossProfileIntentFilter> matchingFilters =
3954                        getMatchingCrossProfileIntentFilters(intent, resolvedType, userId);
3955                // Check for results that need to skip the current profile.
3956                ResolveInfo resolveInfo  = querySkipCurrentProfileIntents(matchingFilters, intent,
3957                        resolvedType, flags, userId);
3958                if (resolveInfo != null && isUserEnabled(resolveInfo.targetUserId)) {
3959                    List<ResolveInfo> result = new ArrayList<ResolveInfo>(1);
3960                    result.add(resolveInfo);
3961                    return filterIfNotPrimaryUser(result, userId);
3962                }
3963
3964                // Check for results in the current profile.
3965                List<ResolveInfo> result = mActivities.queryIntent(
3966                        intent, resolvedType, flags, userId);
3967
3968                // Check for cross profile results.
3969                resolveInfo = queryCrossProfileIntents(
3970                        matchingFilters, intent, resolvedType, flags, userId);
3971                if (resolveInfo != null && isUserEnabled(resolveInfo.targetUserId)) {
3972                    result.add(resolveInfo);
3973                    Collections.sort(result, mResolvePrioritySorter);
3974                }
3975                result = filterIfNotPrimaryUser(result, userId);
3976                if (result.size() > 1 && hasWebURI(intent)) {
3977                    return filterCandidatesWithDomainPreferedActivitiesLPr(flags, result);
3978                }
3979                return result;
3980            }
3981            final PackageParser.Package pkg = mPackages.get(pkgName);
3982            if (pkg != null) {
3983                return filterIfNotPrimaryUser(
3984                        mActivities.queryIntentForPackage(
3985                                intent, resolvedType, flags, pkg.activities, userId),
3986                        userId);
3987            }
3988            return new ArrayList<ResolveInfo>();
3989        }
3990    }
3991
3992    private boolean isUserEnabled(int userId) {
3993        long callingId = Binder.clearCallingIdentity();
3994        try {
3995            UserInfo userInfo = sUserManager.getUserInfo(userId);
3996            return userInfo != null && userInfo.isEnabled();
3997        } finally {
3998            Binder.restoreCallingIdentity(callingId);
3999        }
4000    }
4001
4002    /**
4003     * Filter out activities with primaryUserOnly flag set, when current user is not the owner.
4004     *
4005     * @return filtered list
4006     */
4007    private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) {
4008        if (userId == UserHandle.USER_OWNER) {
4009            return resolveInfos;
4010        }
4011        for (int i = resolveInfos.size() - 1; i >= 0; i--) {
4012            ResolveInfo info = resolveInfos.get(i);
4013            if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) {
4014                resolveInfos.remove(i);
4015            }
4016        }
4017        return resolveInfos;
4018    }
4019
4020    private static boolean hasWebURI(Intent intent) {
4021        if (intent.getData() == null) {
4022            return false;
4023        }
4024        final String scheme = intent.getScheme();
4025        if (TextUtils.isEmpty(scheme)) {
4026            return false;
4027        }
4028        return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS);
4029    }
4030
4031    private List<ResolveInfo> filterCandidatesWithDomainPreferedActivitiesLPr(
4032            int flags, List<ResolveInfo> candidates) {
4033        if (DEBUG_PREFERRED) {
4034            Slog.v("TAG", "Filtering results with prefered activities. Candidates count: " +
4035                    candidates.size());
4036        }
4037
4038        final int userId = UserHandle.getCallingUserId();
4039        ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>();
4040        ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>();
4041        ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>();
4042        ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>();
4043
4044        synchronized (mPackages) {
4045            final int count = candidates.size();
4046            // First, try to use the domain prefered App
4047            for (int n=0; n<count; n++) {
4048                ResolveInfo info = candidates.get(n);
4049                String packageName = info.activityInfo.packageName;
4050                PackageSetting ps = mSettings.mPackages.get(packageName);
4051                if (ps != null) {
4052                    // Add to the special match all list (Browser use case)
4053                    if (info.handleAllWebDataURI) {
4054                        matchAllList.add(info);
4055                        continue;
4056                    }
4057                    // Try to get the status from User settings first
4058                    int status = getDomainVerificationStatusLPr(ps, userId);
4059                    if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) {
4060                        result.add(info);
4061                    } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) {
4062                        neverList.add(info);
4063                    } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) {
4064                        undefinedList.add(info);
4065                    }
4066                }
4067            }
4068            // If there is nothing selected, add all candidates and remove the ones that the User
4069            // has explicitely put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state and
4070            // also remove any Browser Apps ones.
4071            // If there is still none after this pass, add all undefined one and Browser Apps and
4072            // let the User decide with the Disambiguation dialog if there are several ones.
4073            if (result.size() == 0) {
4074                result.addAll(candidates);
4075            }
4076            result.removeAll(neverList);
4077            result.removeAll(matchAllList);
4078            if (result.size() == 0) {
4079                result.addAll(undefinedList);
4080                if ((flags & MATCH_ALL) != 0) {
4081                    result.addAll(matchAllList);
4082                } else {
4083                    // Try to add the Default Browser if we can
4084                    final String defaultBrowserPackageName = getDefaultBrowserPackageName(
4085                            UserHandle.myUserId());
4086                    if (!TextUtils.isEmpty(defaultBrowserPackageName)) {
4087                        boolean defaultBrowserFound = false;
4088                        final int browserCount = matchAllList.size();
4089                        for (int n=0; n<browserCount; n++) {
4090                            ResolveInfo browser = matchAllList.get(n);
4091                            if (browser.activityInfo.packageName.equals(defaultBrowserPackageName)) {
4092                                result.add(browser);
4093                                defaultBrowserFound = true;
4094                                break;
4095                            }
4096                        }
4097                        if (!defaultBrowserFound) {
4098                            result.addAll(matchAllList);
4099                        }
4100                    } else {
4101                        result.addAll(matchAllList);
4102                    }
4103                }
4104            }
4105        }
4106        if (DEBUG_PREFERRED) {
4107            Slog.v("TAG", "Filtered results with prefered activities. New candidates count: " +
4108                    result.size());
4109        }
4110        return result;
4111    }
4112
4113    private int getDomainVerificationStatusLPr(PackageSetting ps, int userId) {
4114        int status = ps.getDomainVerificationStatusForUser(userId);
4115        // if none available, get the master status
4116        if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) {
4117            if (ps.getIntentFilterVerificationInfo() != null) {
4118                status = ps.getIntentFilterVerificationInfo().getStatus();
4119            }
4120        }
4121        return status;
4122    }
4123
4124    private ResolveInfo querySkipCurrentProfileIntents(
4125            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
4126            int flags, int sourceUserId) {
4127        if (matchingFilters != null) {
4128            int size = matchingFilters.size();
4129            for (int i = 0; i < size; i ++) {
4130                CrossProfileIntentFilter filter = matchingFilters.get(i);
4131                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) {
4132                    // Checking if there are activities in the target user that can handle the
4133                    // intent.
4134                    ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
4135                            flags, sourceUserId);
4136                    if (resolveInfo != null) {
4137                        return resolveInfo;
4138                    }
4139                }
4140            }
4141        }
4142        return null;
4143    }
4144
4145    // Return matching ResolveInfo if any for skip current profile intent filters.
4146    private ResolveInfo queryCrossProfileIntents(
4147            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
4148            int flags, int sourceUserId) {
4149        if (matchingFilters != null) {
4150            // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and
4151            // match the same intent. For performance reasons, it is better not to
4152            // run queryIntent twice for the same userId
4153            SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray();
4154            int size = matchingFilters.size();
4155            for (int i = 0; i < size; i++) {
4156                CrossProfileIntentFilter filter = matchingFilters.get(i);
4157                int targetUserId = filter.getTargetUserId();
4158                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0
4159                        && !alreadyTriedUserIds.get(targetUserId)) {
4160                    // Checking if there are activities in the target user that can handle the
4161                    // intent.
4162                    ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
4163                            flags, sourceUserId);
4164                    if (resolveInfo != null) return resolveInfo;
4165                    alreadyTriedUserIds.put(targetUserId, true);
4166                }
4167            }
4168        }
4169        return null;
4170    }
4171
4172    private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent,
4173            String resolvedType, int flags, int sourceUserId) {
4174        List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent,
4175                resolvedType, flags, filter.getTargetUserId());
4176        if (resultTargetUser != null && !resultTargetUser.isEmpty()) {
4177            return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId());
4178        }
4179        return null;
4180    }
4181
4182    private ResolveInfo createForwardingResolveInfo(IntentFilter filter,
4183            int sourceUserId, int targetUserId) {
4184        ResolveInfo forwardingResolveInfo = new ResolveInfo();
4185        String className;
4186        if (targetUserId == UserHandle.USER_OWNER) {
4187            className = FORWARD_INTENT_TO_USER_OWNER;
4188        } else {
4189            className = FORWARD_INTENT_TO_MANAGED_PROFILE;
4190        }
4191        ComponentName forwardingActivityComponentName = new ComponentName(
4192                mAndroidApplication.packageName, className);
4193        ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0,
4194                sourceUserId);
4195        if (targetUserId == UserHandle.USER_OWNER) {
4196            forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER;
4197            forwardingResolveInfo.noResourceId = true;
4198        }
4199        forwardingResolveInfo.activityInfo = forwardingActivityInfo;
4200        forwardingResolveInfo.priority = 0;
4201        forwardingResolveInfo.preferredOrder = 0;
4202        forwardingResolveInfo.match = 0;
4203        forwardingResolveInfo.isDefault = true;
4204        forwardingResolveInfo.filter = filter;
4205        forwardingResolveInfo.targetUserId = targetUserId;
4206        return forwardingResolveInfo;
4207    }
4208
4209    @Override
4210    public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller,
4211            Intent[] specifics, String[] specificTypes, Intent intent,
4212            String resolvedType, int flags, int userId) {
4213        if (!sUserManager.exists(userId)) return Collections.emptyList();
4214        enforceCrossUserPermission(Binder.getCallingUid(), userId, false,
4215                false, "query intent activity options");
4216        final String resultsAction = intent.getAction();
4217
4218        List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags
4219                | PackageManager.GET_RESOLVED_FILTER, userId);
4220
4221        if (DEBUG_INTENT_MATCHING) {
4222            Log.v(TAG, "Query " + intent + ": " + results);
4223        }
4224
4225        int specificsPos = 0;
4226        int N;
4227
4228        // todo: note that the algorithm used here is O(N^2).  This
4229        // isn't a problem in our current environment, but if we start running
4230        // into situations where we have more than 5 or 10 matches then this
4231        // should probably be changed to something smarter...
4232
4233        // First we go through and resolve each of the specific items
4234        // that were supplied, taking care of removing any corresponding
4235        // duplicate items in the generic resolve list.
4236        if (specifics != null) {
4237            for (int i=0; i<specifics.length; i++) {
4238                final Intent sintent = specifics[i];
4239                if (sintent == null) {
4240                    continue;
4241                }
4242
4243                if (DEBUG_INTENT_MATCHING) {
4244                    Log.v(TAG, "Specific #" + i + ": " + sintent);
4245                }
4246
4247                String action = sintent.getAction();
4248                if (resultsAction != null && resultsAction.equals(action)) {
4249                    // If this action was explicitly requested, then don't
4250                    // remove things that have it.
4251                    action = null;
4252                }
4253
4254                ResolveInfo ri = null;
4255                ActivityInfo ai = null;
4256
4257                ComponentName comp = sintent.getComponent();
4258                if (comp == null) {
4259                    ri = resolveIntent(
4260                        sintent,
4261                        specificTypes != null ? specificTypes[i] : null,
4262                            flags, userId);
4263                    if (ri == null) {
4264                        continue;
4265                    }
4266                    if (ri == mResolveInfo) {
4267                        // ACK!  Must do something better with this.
4268                    }
4269                    ai = ri.activityInfo;
4270                    comp = new ComponentName(ai.applicationInfo.packageName,
4271                            ai.name);
4272                } else {
4273                    ai = getActivityInfo(comp, flags, userId);
4274                    if (ai == null) {
4275                        continue;
4276                    }
4277                }
4278
4279                // Look for any generic query activities that are duplicates
4280                // of this specific one, and remove them from the results.
4281                if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai);
4282                N = results.size();
4283                int j;
4284                for (j=specificsPos; j<N; j++) {
4285                    ResolveInfo sri = results.get(j);
4286                    if ((sri.activityInfo.name.equals(comp.getClassName())
4287                            && sri.activityInfo.applicationInfo.packageName.equals(
4288                                    comp.getPackageName()))
4289                        || (action != null && sri.filter.matchAction(action))) {
4290                        results.remove(j);
4291                        if (DEBUG_INTENT_MATCHING) Log.v(
4292                            TAG, "Removing duplicate item from " + j
4293                            + " due to specific " + specificsPos);
4294                        if (ri == null) {
4295                            ri = sri;
4296                        }
4297                        j--;
4298                        N--;
4299                    }
4300                }
4301
4302                // Add this specific item to its proper place.
4303                if (ri == null) {
4304                    ri = new ResolveInfo();
4305                    ri.activityInfo = ai;
4306                }
4307                results.add(specificsPos, ri);
4308                ri.specificIndex = i;
4309                specificsPos++;
4310            }
4311        }
4312
4313        // Now we go through the remaining generic results and remove any
4314        // duplicate actions that are found here.
4315        N = results.size();
4316        for (int i=specificsPos; i<N-1; i++) {
4317            final ResolveInfo rii = results.get(i);
4318            if (rii.filter == null) {
4319                continue;
4320            }
4321
4322            // Iterate over all of the actions of this result's intent
4323            // filter...  typically this should be just one.
4324            final Iterator<String> it = rii.filter.actionsIterator();
4325            if (it == null) {
4326                continue;
4327            }
4328            while (it.hasNext()) {
4329                final String action = it.next();
4330                if (resultsAction != null && resultsAction.equals(action)) {
4331                    // If this action was explicitly requested, then don't
4332                    // remove things that have it.
4333                    continue;
4334                }
4335                for (int j=i+1; j<N; j++) {
4336                    final ResolveInfo rij = results.get(j);
4337                    if (rij.filter != null && rij.filter.hasAction(action)) {
4338                        results.remove(j);
4339                        if (DEBUG_INTENT_MATCHING) Log.v(
4340                            TAG, "Removing duplicate item from " + j
4341                            + " due to action " + action + " at " + i);
4342                        j--;
4343                        N--;
4344                    }
4345                }
4346            }
4347
4348            // If the caller didn't request filter information, drop it now
4349            // so we don't have to marshall/unmarshall it.
4350            if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
4351                rii.filter = null;
4352            }
4353        }
4354
4355        // Filter out the caller activity if so requested.
4356        if (caller != null) {
4357            N = results.size();
4358            for (int i=0; i<N; i++) {
4359                ActivityInfo ainfo = results.get(i).activityInfo;
4360                if (caller.getPackageName().equals(ainfo.applicationInfo.packageName)
4361                        && caller.getClassName().equals(ainfo.name)) {
4362                    results.remove(i);
4363                    break;
4364                }
4365            }
4366        }
4367
4368        // If the caller didn't request filter information,
4369        // drop them now so we don't have to
4370        // marshall/unmarshall it.
4371        if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
4372            N = results.size();
4373            for (int i=0; i<N; i++) {
4374                results.get(i).filter = null;
4375            }
4376        }
4377
4378        if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results);
4379        return results;
4380    }
4381
4382    @Override
4383    public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags,
4384            int userId) {
4385        if (!sUserManager.exists(userId)) return Collections.emptyList();
4386        ComponentName comp = intent.getComponent();
4387        if (comp == null) {
4388            if (intent.getSelector() != null) {
4389                intent = intent.getSelector();
4390                comp = intent.getComponent();
4391            }
4392        }
4393        if (comp != null) {
4394            List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
4395            ActivityInfo ai = getReceiverInfo(comp, flags, userId);
4396            if (ai != null) {
4397                ResolveInfo ri = new ResolveInfo();
4398                ri.activityInfo = ai;
4399                list.add(ri);
4400            }
4401            return list;
4402        }
4403
4404        // reader
4405        synchronized (mPackages) {
4406            String pkgName = intent.getPackage();
4407            if (pkgName == null) {
4408                return mReceivers.queryIntent(intent, resolvedType, flags, userId);
4409            }
4410            final PackageParser.Package pkg = mPackages.get(pkgName);
4411            if (pkg != null) {
4412                return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers,
4413                        userId);
4414            }
4415            return null;
4416        }
4417    }
4418
4419    @Override
4420    public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) {
4421        List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId);
4422        if (!sUserManager.exists(userId)) return null;
4423        if (query != null) {
4424            if (query.size() >= 1) {
4425                // If there is more than one service with the same priority,
4426                // just arbitrarily pick the first one.
4427                return query.get(0);
4428            }
4429        }
4430        return null;
4431    }
4432
4433    @Override
4434    public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags,
4435            int userId) {
4436        if (!sUserManager.exists(userId)) return Collections.emptyList();
4437        ComponentName comp = intent.getComponent();
4438        if (comp == null) {
4439            if (intent.getSelector() != null) {
4440                intent = intent.getSelector();
4441                comp = intent.getComponent();
4442            }
4443        }
4444        if (comp != null) {
4445            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
4446            final ServiceInfo si = getServiceInfo(comp, flags, userId);
4447            if (si != null) {
4448                final ResolveInfo ri = new ResolveInfo();
4449                ri.serviceInfo = si;
4450                list.add(ri);
4451            }
4452            return list;
4453        }
4454
4455        // reader
4456        synchronized (mPackages) {
4457            String pkgName = intent.getPackage();
4458            if (pkgName == null) {
4459                return mServices.queryIntent(intent, resolvedType, flags, userId);
4460            }
4461            final PackageParser.Package pkg = mPackages.get(pkgName);
4462            if (pkg != null) {
4463                return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services,
4464                        userId);
4465            }
4466            return null;
4467        }
4468    }
4469
4470    @Override
4471    public List<ResolveInfo> queryIntentContentProviders(
4472            Intent intent, String resolvedType, int flags, int userId) {
4473        if (!sUserManager.exists(userId)) return Collections.emptyList();
4474        ComponentName comp = intent.getComponent();
4475        if (comp == null) {
4476            if (intent.getSelector() != null) {
4477                intent = intent.getSelector();
4478                comp = intent.getComponent();
4479            }
4480        }
4481        if (comp != null) {
4482            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
4483            final ProviderInfo pi = getProviderInfo(comp, flags, userId);
4484            if (pi != null) {
4485                final ResolveInfo ri = new ResolveInfo();
4486                ri.providerInfo = pi;
4487                list.add(ri);
4488            }
4489            return list;
4490        }
4491
4492        // reader
4493        synchronized (mPackages) {
4494            String pkgName = intent.getPackage();
4495            if (pkgName == null) {
4496                return mProviders.queryIntent(intent, resolvedType, flags, userId);
4497            }
4498            final PackageParser.Package pkg = mPackages.get(pkgName);
4499            if (pkg != null) {
4500                return mProviders.queryIntentForPackage(
4501                        intent, resolvedType, flags, pkg.providers, userId);
4502            }
4503            return null;
4504        }
4505    }
4506
4507    @Override
4508    public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) {
4509        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
4510
4511        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages");
4512
4513        // writer
4514        synchronized (mPackages) {
4515            ArrayList<PackageInfo> list;
4516            if (listUninstalled) {
4517                list = new ArrayList<PackageInfo>(mSettings.mPackages.size());
4518                for (PackageSetting ps : mSettings.mPackages.values()) {
4519                    PackageInfo pi;
4520                    if (ps.pkg != null) {
4521                        pi = generatePackageInfo(ps.pkg, flags, userId);
4522                    } else {
4523                        pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
4524                    }
4525                    if (pi != null) {
4526                        list.add(pi);
4527                    }
4528                }
4529            } else {
4530                list = new ArrayList<PackageInfo>(mPackages.size());
4531                for (PackageParser.Package p : mPackages.values()) {
4532                    PackageInfo pi = generatePackageInfo(p, flags, userId);
4533                    if (pi != null) {
4534                        list.add(pi);
4535                    }
4536                }
4537            }
4538
4539            return new ParceledListSlice<PackageInfo>(list);
4540        }
4541    }
4542
4543    private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps,
4544            String[] permissions, boolean[] tmp, int flags, int userId) {
4545        int numMatch = 0;
4546        final PermissionsState permissionsState = ps.getPermissionsState();
4547        for (int i=0; i<permissions.length; i++) {
4548            final String permission = permissions[i];
4549            if (permissionsState.hasPermission(permission, userId)) {
4550                tmp[i] = true;
4551                numMatch++;
4552            } else {
4553                tmp[i] = false;
4554            }
4555        }
4556        if (numMatch == 0) {
4557            return;
4558        }
4559        PackageInfo pi;
4560        if (ps.pkg != null) {
4561            pi = generatePackageInfo(ps.pkg, flags, userId);
4562        } else {
4563            pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
4564        }
4565        // The above might return null in cases of uninstalled apps or install-state
4566        // skew across users/profiles.
4567        if (pi != null) {
4568            if ((flags&PackageManager.GET_PERMISSIONS) == 0) {
4569                if (numMatch == permissions.length) {
4570                    pi.requestedPermissions = permissions;
4571                } else {
4572                    pi.requestedPermissions = new String[numMatch];
4573                    numMatch = 0;
4574                    for (int i=0; i<permissions.length; i++) {
4575                        if (tmp[i]) {
4576                            pi.requestedPermissions[numMatch] = permissions[i];
4577                            numMatch++;
4578                        }
4579                    }
4580                }
4581            }
4582            list.add(pi);
4583        }
4584    }
4585
4586    @Override
4587    public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions(
4588            String[] permissions, int flags, int userId) {
4589        if (!sUserManager.exists(userId)) return null;
4590        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
4591
4592        // writer
4593        synchronized (mPackages) {
4594            ArrayList<PackageInfo> list = new ArrayList<PackageInfo>();
4595            boolean[] tmpBools = new boolean[permissions.length];
4596            if (listUninstalled) {
4597                for (PackageSetting ps : mSettings.mPackages.values()) {
4598                    addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId);
4599                }
4600            } else {
4601                for (PackageParser.Package pkg : mPackages.values()) {
4602                    PackageSetting ps = (PackageSetting)pkg.mExtras;
4603                    if (ps != null) {
4604                        addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags,
4605                                userId);
4606                    }
4607                }
4608            }
4609
4610            return new ParceledListSlice<PackageInfo>(list);
4611        }
4612    }
4613
4614    @Override
4615    public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) {
4616        if (!sUserManager.exists(userId)) return null;
4617        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
4618
4619        // writer
4620        synchronized (mPackages) {
4621            ArrayList<ApplicationInfo> list;
4622            if (listUninstalled) {
4623                list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size());
4624                for (PackageSetting ps : mSettings.mPackages.values()) {
4625                    ApplicationInfo ai;
4626                    if (ps.pkg != null) {
4627                        ai = PackageParser.generateApplicationInfo(ps.pkg, flags,
4628                                ps.readUserState(userId), userId);
4629                    } else {
4630                        ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId);
4631                    }
4632                    if (ai != null) {
4633                        list.add(ai);
4634                    }
4635                }
4636            } else {
4637                list = new ArrayList<ApplicationInfo>(mPackages.size());
4638                for (PackageParser.Package p : mPackages.values()) {
4639                    if (p.mExtras != null) {
4640                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
4641                                ((PackageSetting)p.mExtras).readUserState(userId), userId);
4642                        if (ai != null) {
4643                            list.add(ai);
4644                        }
4645                    }
4646                }
4647            }
4648
4649            return new ParceledListSlice<ApplicationInfo>(list);
4650        }
4651    }
4652
4653    public List<ApplicationInfo> getPersistentApplications(int flags) {
4654        final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>();
4655
4656        // reader
4657        synchronized (mPackages) {
4658            final Iterator<PackageParser.Package> i = mPackages.values().iterator();
4659            final int userId = UserHandle.getCallingUserId();
4660            while (i.hasNext()) {
4661                final PackageParser.Package p = i.next();
4662                if (p.applicationInfo != null
4663                        && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0
4664                        && (!mSafeMode || isSystemApp(p))) {
4665                    PackageSetting ps = mSettings.mPackages.get(p.packageName);
4666                    if (ps != null) {
4667                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
4668                                ps.readUserState(userId), userId);
4669                        if (ai != null) {
4670                            finalList.add(ai);
4671                        }
4672                    }
4673                }
4674            }
4675        }
4676
4677        return finalList;
4678    }
4679
4680    @Override
4681    public ProviderInfo resolveContentProvider(String name, int flags, int userId) {
4682        if (!sUserManager.exists(userId)) return null;
4683        // reader
4684        synchronized (mPackages) {
4685            final PackageParser.Provider provider = mProvidersByAuthority.get(name);
4686            PackageSetting ps = provider != null
4687                    ? mSettings.mPackages.get(provider.owner.packageName)
4688                    : null;
4689            return ps != null
4690                    && mSettings.isEnabledLPr(provider.info, flags, userId)
4691                    && (!mSafeMode || (provider.info.applicationInfo.flags
4692                            &ApplicationInfo.FLAG_SYSTEM) != 0)
4693                    ? PackageParser.generateProviderInfo(provider, flags,
4694                            ps.readUserState(userId), userId)
4695                    : null;
4696        }
4697    }
4698
4699    /**
4700     * @deprecated
4701     */
4702    @Deprecated
4703    public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) {
4704        // reader
4705        synchronized (mPackages) {
4706            final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority
4707                    .entrySet().iterator();
4708            final int userId = UserHandle.getCallingUserId();
4709            while (i.hasNext()) {
4710                Map.Entry<String, PackageParser.Provider> entry = i.next();
4711                PackageParser.Provider p = entry.getValue();
4712                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
4713
4714                if (ps != null && p.syncable
4715                        && (!mSafeMode || (p.info.applicationInfo.flags
4716                                &ApplicationInfo.FLAG_SYSTEM) != 0)) {
4717                    ProviderInfo info = PackageParser.generateProviderInfo(p, 0,
4718                            ps.readUserState(userId), userId);
4719                    if (info != null) {
4720                        outNames.add(entry.getKey());
4721                        outInfo.add(info);
4722                    }
4723                }
4724            }
4725        }
4726    }
4727
4728    @Override
4729    public List<ProviderInfo> queryContentProviders(String processName,
4730            int uid, int flags) {
4731        ArrayList<ProviderInfo> finalList = null;
4732        // reader
4733        synchronized (mPackages) {
4734            final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator();
4735            final int userId = processName != null ?
4736                    UserHandle.getUserId(uid) : UserHandle.getCallingUserId();
4737            while (i.hasNext()) {
4738                final PackageParser.Provider p = i.next();
4739                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
4740                if (ps != null && p.info.authority != null
4741                        && (processName == null
4742                                || (p.info.processName.equals(processName)
4743                                        && UserHandle.isSameApp(p.info.applicationInfo.uid, uid)))
4744                        && mSettings.isEnabledLPr(p.info, flags, userId)
4745                        && (!mSafeMode
4746                                || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) {
4747                    if (finalList == null) {
4748                        finalList = new ArrayList<ProviderInfo>(3);
4749                    }
4750                    ProviderInfo info = PackageParser.generateProviderInfo(p, flags,
4751                            ps.readUserState(userId), userId);
4752                    if (info != null) {
4753                        finalList.add(info);
4754                    }
4755                }
4756            }
4757        }
4758
4759        if (finalList != null) {
4760            Collections.sort(finalList, mProviderInitOrderSorter);
4761        }
4762
4763        return finalList;
4764    }
4765
4766    @Override
4767    public InstrumentationInfo getInstrumentationInfo(ComponentName name,
4768            int flags) {
4769        // reader
4770        synchronized (mPackages) {
4771            final PackageParser.Instrumentation i = mInstrumentation.get(name);
4772            return PackageParser.generateInstrumentationInfo(i, flags);
4773        }
4774    }
4775
4776    @Override
4777    public List<InstrumentationInfo> queryInstrumentation(String targetPackage,
4778            int flags) {
4779        ArrayList<InstrumentationInfo> finalList =
4780            new ArrayList<InstrumentationInfo>();
4781
4782        // reader
4783        synchronized (mPackages) {
4784            final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator();
4785            while (i.hasNext()) {
4786                final PackageParser.Instrumentation p = i.next();
4787                if (targetPackage == null
4788                        || targetPackage.equals(p.info.targetPackage)) {
4789                    InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p,
4790                            flags);
4791                    if (ii != null) {
4792                        finalList.add(ii);
4793                    }
4794                }
4795            }
4796        }
4797
4798        return finalList;
4799    }
4800
4801    private void createIdmapsForPackageLI(PackageParser.Package pkg) {
4802        ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName);
4803        if (overlays == null) {
4804            Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages");
4805            return;
4806        }
4807        for (PackageParser.Package opkg : overlays.values()) {
4808            // Not much to do if idmap fails: we already logged the error
4809            // and we certainly don't want to abort installation of pkg simply
4810            // because an overlay didn't fit properly. For these reasons,
4811            // ignore the return value of createIdmapForPackagePairLI.
4812            createIdmapForPackagePairLI(pkg, opkg);
4813        }
4814    }
4815
4816    private boolean createIdmapForPackagePairLI(PackageParser.Package pkg,
4817            PackageParser.Package opkg) {
4818        if (!opkg.mTrustedOverlay) {
4819            Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " +
4820                    opkg.baseCodePath + ": overlay not trusted");
4821            return false;
4822        }
4823        ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName);
4824        if (overlaySet == null) {
4825            Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " +
4826                    opkg.baseCodePath + " but target package has no known overlays");
4827            return false;
4828        }
4829        final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
4830        // TODO: generate idmap for split APKs
4831        if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) {
4832            Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and "
4833                    + opkg.baseCodePath);
4834            return false;
4835        }
4836        PackageParser.Package[] overlayArray =
4837            overlaySet.values().toArray(new PackageParser.Package[0]);
4838        Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() {
4839            public int compare(PackageParser.Package p1, PackageParser.Package p2) {
4840                return p1.mOverlayPriority - p2.mOverlayPriority;
4841            }
4842        };
4843        Arrays.sort(overlayArray, cmp);
4844
4845        pkg.applicationInfo.resourceDirs = new String[overlayArray.length];
4846        int i = 0;
4847        for (PackageParser.Package p : overlayArray) {
4848            pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath;
4849        }
4850        return true;
4851    }
4852
4853    private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) {
4854        final File[] files = dir.listFiles();
4855        if (ArrayUtils.isEmpty(files)) {
4856            Log.d(TAG, "No files in app dir " + dir);
4857            return;
4858        }
4859
4860        if (DEBUG_PACKAGE_SCANNING) {
4861            Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags
4862                    + " flags=0x" + Integer.toHexString(parseFlags));
4863        }
4864
4865        for (File file : files) {
4866            final boolean isPackage = (isApkFile(file) || file.isDirectory())
4867                    && !PackageInstallerService.isStageName(file.getName());
4868            if (!isPackage) {
4869                // Ignore entries which are not packages
4870                continue;
4871            }
4872            try {
4873                scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK,
4874                        scanFlags, currentTime, null);
4875            } catch (PackageManagerException e) {
4876                Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage());
4877
4878                // Delete invalid userdata apps
4879                if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 &&
4880                        e.error == PackageManager.INSTALL_FAILED_INVALID_APK) {
4881                    logCriticalInfo(Log.WARN, "Deleting invalid package at " + file);
4882                    if (file.isDirectory()) {
4883                        mInstaller.rmPackageDir(file.getAbsolutePath());
4884                    } else {
4885                        file.delete();
4886                    }
4887                }
4888            }
4889        }
4890    }
4891
4892    private static File getSettingsProblemFile() {
4893        File dataDir = Environment.getDataDirectory();
4894        File systemDir = new File(dataDir, "system");
4895        File fname = new File(systemDir, "uiderrors.txt");
4896        return fname;
4897    }
4898
4899    static void reportSettingsProblem(int priority, String msg) {
4900        logCriticalInfo(priority, msg);
4901    }
4902
4903    static void logCriticalInfo(int priority, String msg) {
4904        Slog.println(priority, TAG, msg);
4905        EventLogTags.writePmCriticalInfo(msg);
4906        try {
4907            File fname = getSettingsProblemFile();
4908            FileOutputStream out = new FileOutputStream(fname, true);
4909            PrintWriter pw = new FastPrintWriter(out);
4910            SimpleDateFormat formatter = new SimpleDateFormat();
4911            String dateString = formatter.format(new Date(System.currentTimeMillis()));
4912            pw.println(dateString + ": " + msg);
4913            pw.close();
4914            FileUtils.setPermissions(
4915                    fname.toString(),
4916                    FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH,
4917                    -1, -1);
4918        } catch (java.io.IOException e) {
4919        }
4920    }
4921
4922    private void collectCertificatesLI(PackageParser pp, PackageSetting ps,
4923            PackageParser.Package pkg, File srcFile, int parseFlags)
4924            throws PackageManagerException {
4925        if (ps != null
4926                && ps.codePath.equals(srcFile)
4927                && ps.timeStamp == srcFile.lastModified()
4928                && !isCompatSignatureUpdateNeeded(pkg)
4929                && !isRecoverSignatureUpdateNeeded(pkg)) {
4930            long mSigningKeySetId = ps.keySetData.getProperSigningKeySet();
4931            if (ps.signatures.mSignatures != null
4932                    && ps.signatures.mSignatures.length != 0
4933                    && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) {
4934                // Optimization: reuse the existing cached certificates
4935                // if the package appears to be unchanged.
4936                pkg.mSignatures = ps.signatures.mSignatures;
4937                KeySetManagerService ksms = mSettings.mKeySetManagerService;
4938                synchronized (mPackages) {
4939                    pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId);
4940                }
4941                return;
4942            }
4943
4944            Slog.w(TAG, "PackageSetting for " + ps.name
4945                    + " is missing signatures.  Collecting certs again to recover them.");
4946        } else {
4947            Log.i(TAG, srcFile.toString() + " changed; collecting certs");
4948        }
4949
4950        try {
4951            pp.collectCertificates(pkg, parseFlags);
4952            pp.collectManifestDigest(pkg);
4953        } catch (PackageParserException e) {
4954            throw PackageManagerException.from(e);
4955        }
4956    }
4957
4958    /*
4959     *  Scan a package and return the newly parsed package.
4960     *  Returns null in case of errors and the error code is stored in mLastScanError
4961     */
4962    private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags,
4963            long currentTime, UserHandle user) throws PackageManagerException {
4964        if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile);
4965        parseFlags |= mDefParseFlags;
4966        PackageParser pp = new PackageParser();
4967        pp.setSeparateProcesses(mSeparateProcesses);
4968        pp.setOnlyCoreApps(mOnlyCore);
4969        pp.setDisplayMetrics(mMetrics);
4970
4971        if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) {
4972            parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY;
4973        }
4974
4975        final PackageParser.Package pkg;
4976        try {
4977            pkg = pp.parsePackage(scanFile, parseFlags);
4978        } catch (PackageParserException e) {
4979            throw PackageManagerException.from(e);
4980        }
4981
4982        PackageSetting ps = null;
4983        PackageSetting updatedPkg;
4984        // reader
4985        synchronized (mPackages) {
4986            // Look to see if we already know about this package.
4987            String oldName = mSettings.mRenamedPackages.get(pkg.packageName);
4988            if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) {
4989                // This package has been renamed to its original name.  Let's
4990                // use that.
4991                ps = mSettings.peekPackageLPr(oldName);
4992            }
4993            // If there was no original package, see one for the real package name.
4994            if (ps == null) {
4995                ps = mSettings.peekPackageLPr(pkg.packageName);
4996            }
4997            // Check to see if this package could be hiding/updating a system
4998            // package.  Must look for it either under the original or real
4999            // package name depending on our state.
5000            updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName);
5001            if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg);
5002        }
5003        boolean updatedPkgBetter = false;
5004        // First check if this is a system package that may involve an update
5005        if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
5006            // If new package is not located in "/system/priv-app" (e.g. due to an OTA),
5007            // it needs to drop FLAG_PRIVILEGED.
5008            if (locationIsPrivileged(scanFile)) {
5009                updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
5010            } else {
5011                updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
5012            }
5013
5014            if (ps != null && !ps.codePath.equals(scanFile)) {
5015                // The path has changed from what was last scanned...  check the
5016                // version of the new path against what we have stored to determine
5017                // what to do.
5018                if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath);
5019                if (pkg.mVersionCode <= ps.versionCode) {
5020                    // The system package has been updated and the code path does not match
5021                    // Ignore entry. Skip it.
5022                    Slog.i(TAG, "Package " + ps.name + " at " + scanFile
5023                            + " ignored: updated version " + ps.versionCode
5024                            + " better than this " + pkg.mVersionCode);
5025                    if (!updatedPkg.codePath.equals(scanFile)) {
5026                        Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : "
5027                                + ps.name + " changing from " + updatedPkg.codePathString
5028                                + " to " + scanFile);
5029                        updatedPkg.codePath = scanFile;
5030                        updatedPkg.codePathString = scanFile.toString();
5031                        updatedPkg.resourcePath = scanFile;
5032                        updatedPkg.resourcePathString = scanFile.toString();
5033                    }
5034                    updatedPkg.pkg = pkg;
5035                    throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null);
5036                } else {
5037                    // The current app on the system partition is better than
5038                    // what we have updated to on the data partition; switch
5039                    // back to the system partition version.
5040                    // At this point, its safely assumed that package installation for
5041                    // apps in system partition will go through. If not there won't be a working
5042                    // version of the app
5043                    // writer
5044                    synchronized (mPackages) {
5045                        // Just remove the loaded entries from package lists.
5046                        mPackages.remove(ps.name);
5047                    }
5048
5049                    logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile
5050                            + " reverting from " + ps.codePathString
5051                            + ": new version " + pkg.mVersionCode
5052                            + " better than installed " + ps.versionCode);
5053
5054                    InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
5055                            ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps));
5056                    synchronized (mInstallLock) {
5057                        args.cleanUpResourcesLI();
5058                    }
5059                    synchronized (mPackages) {
5060                        mSettings.enableSystemPackageLPw(ps.name);
5061                    }
5062                    updatedPkgBetter = true;
5063                }
5064            }
5065        }
5066
5067        if (updatedPkg != null) {
5068            // An updated system app will not have the PARSE_IS_SYSTEM flag set
5069            // initially
5070            parseFlags |= PackageParser.PARSE_IS_SYSTEM;
5071
5072            // An updated privileged app will not have the PARSE_IS_PRIVILEGED
5073            // flag set initially
5074            if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) {
5075                parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
5076            }
5077        }
5078
5079        // Verify certificates against what was last scanned
5080        collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags);
5081
5082        /*
5083         * A new system app appeared, but we already had a non-system one of the
5084         * same name installed earlier.
5085         */
5086        boolean shouldHideSystemApp = false;
5087        if (updatedPkg == null && ps != null
5088                && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) {
5089            /*
5090             * Check to make sure the signatures match first. If they don't,
5091             * wipe the installed application and its data.
5092             */
5093            if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures)
5094                    != PackageManager.SIGNATURE_MATCH) {
5095                logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but"
5096                        + " signatures don't match existing userdata copy; removing");
5097                deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false);
5098                ps = null;
5099            } else {
5100                /*
5101                 * If the newly-added system app is an older version than the
5102                 * already installed version, hide it. It will be scanned later
5103                 * and re-added like an update.
5104                 */
5105                if (pkg.mVersionCode <= ps.versionCode) {
5106                    shouldHideSystemApp = true;
5107                    logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile
5108                            + " but new version " + pkg.mVersionCode + " better than installed "
5109                            + ps.versionCode + "; hiding system");
5110                } else {
5111                    /*
5112                     * The newly found system app is a newer version that the
5113                     * one previously installed. Simply remove the
5114                     * already-installed application and replace it with our own
5115                     * while keeping the application data.
5116                     */
5117                    logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile
5118                            + " reverting from " + ps.codePathString + ": new version "
5119                            + pkg.mVersionCode + " better than installed " + ps.versionCode);
5120                    InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
5121                            ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps));
5122                    synchronized (mInstallLock) {
5123                        args.cleanUpResourcesLI();
5124                    }
5125                }
5126            }
5127        }
5128
5129        // The apk is forward locked (not public) if its code and resources
5130        // are kept in different files. (except for app in either system or
5131        // vendor path).
5132        // TODO grab this value from PackageSettings
5133        if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5134            if (ps != null && !ps.codePath.equals(ps.resourcePath)) {
5135                parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
5136            }
5137        }
5138
5139        // TODO: extend to support forward-locked splits
5140        String resourcePath = null;
5141        String baseResourcePath = null;
5142        if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) {
5143            if (ps != null && ps.resourcePathString != null) {
5144                resourcePath = ps.resourcePathString;
5145                baseResourcePath = ps.resourcePathString;
5146            } else {
5147                // Should not happen at all. Just log an error.
5148                Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName);
5149            }
5150        } else {
5151            resourcePath = pkg.codePath;
5152            baseResourcePath = pkg.baseCodePath;
5153        }
5154
5155        // Set application objects path explicitly.
5156        pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
5157        pkg.applicationInfo.setCodePath(pkg.codePath);
5158        pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
5159        pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
5160        pkg.applicationInfo.setResourcePath(resourcePath);
5161        pkg.applicationInfo.setBaseResourcePath(baseResourcePath);
5162        pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
5163
5164        // Note that we invoke the following method only if we are about to unpack an application
5165        PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags
5166                | SCAN_UPDATE_SIGNATURE, currentTime, user);
5167
5168        /*
5169         * If the system app should be overridden by a previously installed
5170         * data, hide the system app now and let the /data/app scan pick it up
5171         * again.
5172         */
5173        if (shouldHideSystemApp) {
5174            synchronized (mPackages) {
5175                /*
5176                 * We have to grant systems permissions before we hide, because
5177                 * grantPermissions will assume the package update is trying to
5178                 * expand its permissions.
5179                 */
5180                grantPermissionsLPw(pkg, true, pkg.packageName);
5181                mSettings.disableSystemPackageLPw(pkg.packageName);
5182            }
5183        }
5184
5185        return scannedPkg;
5186    }
5187
5188    private static String fixProcessName(String defProcessName,
5189            String processName, int uid) {
5190        if (processName == null) {
5191            return defProcessName;
5192        }
5193        return processName;
5194    }
5195
5196    private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg)
5197            throws PackageManagerException {
5198        if (pkgSetting.signatures.mSignatures != null) {
5199            // Already existing package. Make sure signatures match
5200            boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures)
5201                    == PackageManager.SIGNATURE_MATCH;
5202            if (!match) {
5203                match = compareSignaturesCompat(pkgSetting.signatures, pkg)
5204                        == PackageManager.SIGNATURE_MATCH;
5205            }
5206            if (!match) {
5207                match = compareSignaturesRecover(pkgSetting.signatures, pkg)
5208                        == PackageManager.SIGNATURE_MATCH;
5209            }
5210            if (!match) {
5211                throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
5212                        + pkg.packageName + " signatures do not match the "
5213                        + "previously installed version; ignoring!");
5214            }
5215        }
5216
5217        // Check for shared user signatures
5218        if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) {
5219            // Already existing package. Make sure signatures match
5220            boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
5221                    pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
5222            if (!match) {
5223                match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg)
5224                        == PackageManager.SIGNATURE_MATCH;
5225            }
5226            if (!match) {
5227                match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg)
5228                        == PackageManager.SIGNATURE_MATCH;
5229            }
5230            if (!match) {
5231                throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
5232                        "Package " + pkg.packageName
5233                        + " has no signatures that match those in shared user "
5234                        + pkgSetting.sharedUser.name + "; ignoring!");
5235            }
5236        }
5237    }
5238
5239    /**
5240     * Enforces that only the system UID or root's UID can call a method exposed
5241     * via Binder.
5242     *
5243     * @param message used as message if SecurityException is thrown
5244     * @throws SecurityException if the caller is not system or root
5245     */
5246    private static final void enforceSystemOrRoot(String message) {
5247        final int uid = Binder.getCallingUid();
5248        if (uid != Process.SYSTEM_UID && uid != 0) {
5249            throw new SecurityException(message);
5250        }
5251    }
5252
5253    @Override
5254    public void performBootDexOpt() {
5255        enforceSystemOrRoot("Only the system can request dexopt be performed");
5256
5257        // Before everything else, see whether we need to fstrim.
5258        try {
5259            IMountService ms = PackageHelper.getMountService();
5260            if (ms != null) {
5261                final boolean isUpgrade = isUpgrade();
5262                boolean doTrim = isUpgrade;
5263                if (doTrim) {
5264                    Slog.w(TAG, "Running disk maintenance immediately due to system update");
5265                } else {
5266                    final long interval = android.provider.Settings.Global.getLong(
5267                            mContext.getContentResolver(),
5268                            android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL,
5269                            DEFAULT_MANDATORY_FSTRIM_INTERVAL);
5270                    if (interval > 0) {
5271                        final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance();
5272                        if (timeSinceLast > interval) {
5273                            doTrim = true;
5274                            Slog.w(TAG, "No disk maintenance in " + timeSinceLast
5275                                    + "; running immediately");
5276                        }
5277                    }
5278                }
5279                if (doTrim) {
5280                    if (!isFirstBoot()) {
5281                        try {
5282                            ActivityManagerNative.getDefault().showBootMessage(
5283                                    mContext.getResources().getString(
5284                                            R.string.android_upgrading_fstrim), true);
5285                        } catch (RemoteException e) {
5286                        }
5287                    }
5288                    ms.runMaintenance();
5289                }
5290            } else {
5291                Slog.e(TAG, "Mount service unavailable!");
5292            }
5293        } catch (RemoteException e) {
5294            // Can't happen; MountService is local
5295        }
5296
5297        final ArraySet<PackageParser.Package> pkgs;
5298        synchronized (mPackages) {
5299            pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages();
5300        }
5301
5302        if (pkgs != null) {
5303            // Sort apps by importance for dexopt ordering. Important apps are given more priority
5304            // in case the device runs out of space.
5305            ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>();
5306            // Give priority to core apps.
5307            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
5308                PackageParser.Package pkg = it.next();
5309                if (pkg.coreApp) {
5310                    if (DEBUG_DEXOPT) {
5311                        Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName);
5312                    }
5313                    sortedPkgs.add(pkg);
5314                    it.remove();
5315                }
5316            }
5317            // Give priority to system apps that listen for pre boot complete.
5318            Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED);
5319            ArraySet<String> pkgNames = getPackageNamesForIntent(intent);
5320            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
5321                PackageParser.Package pkg = it.next();
5322                if (pkgNames.contains(pkg.packageName)) {
5323                    if (DEBUG_DEXOPT) {
5324                        Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName);
5325                    }
5326                    sortedPkgs.add(pkg);
5327                    it.remove();
5328                }
5329            }
5330            // Give priority to system apps.
5331            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
5332                PackageParser.Package pkg = it.next();
5333                if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) {
5334                    if (DEBUG_DEXOPT) {
5335                        Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName);
5336                    }
5337                    sortedPkgs.add(pkg);
5338                    it.remove();
5339                }
5340            }
5341            // Give priority to updated system apps.
5342            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
5343                PackageParser.Package pkg = it.next();
5344                if (pkg.isUpdatedSystemApp()) {
5345                    if (DEBUG_DEXOPT) {
5346                        Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName);
5347                    }
5348                    sortedPkgs.add(pkg);
5349                    it.remove();
5350                }
5351            }
5352            // Give priority to apps that listen for boot complete.
5353            intent = new Intent(Intent.ACTION_BOOT_COMPLETED);
5354            pkgNames = getPackageNamesForIntent(intent);
5355            for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) {
5356                PackageParser.Package pkg = it.next();
5357                if (pkgNames.contains(pkg.packageName)) {
5358                    if (DEBUG_DEXOPT) {
5359                        Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName);
5360                    }
5361                    sortedPkgs.add(pkg);
5362                    it.remove();
5363                }
5364            }
5365            // Filter out packages that aren't recently used.
5366            filterRecentlyUsedApps(pkgs);
5367            // Add all remaining apps.
5368            for (PackageParser.Package pkg : pkgs) {
5369                if (DEBUG_DEXOPT) {
5370                    Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName);
5371                }
5372                sortedPkgs.add(pkg);
5373            }
5374
5375            // If we want to be lazy, filter everything that wasn't recently used.
5376            if (mLazyDexOpt) {
5377                filterRecentlyUsedApps(sortedPkgs);
5378            }
5379
5380            int i = 0;
5381            int total = sortedPkgs.size();
5382            File dataDir = Environment.getDataDirectory();
5383            long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir);
5384            if (lowThreshold == 0) {
5385                throw new IllegalStateException("Invalid low memory threshold");
5386            }
5387            for (PackageParser.Package pkg : sortedPkgs) {
5388                long usableSpace = dataDir.getUsableSpace();
5389                if (usableSpace < lowThreshold) {
5390                    Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace);
5391                    break;
5392                }
5393                performBootDexOpt(pkg, ++i, total);
5394            }
5395        }
5396    }
5397
5398    private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) {
5399        // Filter out packages that aren't recently used.
5400        //
5401        // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which
5402        // should do a full dexopt.
5403        if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) {
5404            int total = pkgs.size();
5405            int skipped = 0;
5406            long now = System.currentTimeMillis();
5407            for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) {
5408                PackageParser.Package pkg = i.next();
5409                long then = pkg.mLastPackageUsageTimeInMills;
5410                if (then + mDexOptLRUThresholdInMills < now) {
5411                    if (DEBUG_DEXOPT) {
5412                        Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " +
5413                              ((then == 0) ? "never" : new Date(then)));
5414                    }
5415                    i.remove();
5416                    skipped++;
5417                }
5418            }
5419            if (DEBUG_DEXOPT) {
5420                Log.i(TAG, "Skipped optimizing " + skipped + " of " + total);
5421            }
5422        }
5423    }
5424
5425    private ArraySet<String> getPackageNamesForIntent(Intent intent) {
5426        List<ResolveInfo> ris = null;
5427        try {
5428            ris = AppGlobals.getPackageManager().queryIntentReceivers(
5429                    intent, null, 0, UserHandle.USER_OWNER);
5430        } catch (RemoteException e) {
5431        }
5432        ArraySet<String> pkgNames = new ArraySet<String>();
5433        if (ris != null) {
5434            for (ResolveInfo ri : ris) {
5435                pkgNames.add(ri.activityInfo.packageName);
5436            }
5437        }
5438        return pkgNames;
5439    }
5440
5441    private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) {
5442        if (DEBUG_DEXOPT) {
5443            Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName);
5444        }
5445        if (!isFirstBoot()) {
5446            try {
5447                ActivityManagerNative.getDefault().showBootMessage(
5448                        mContext.getResources().getString(R.string.android_upgrading_apk,
5449                                curr, total), true);
5450            } catch (RemoteException e) {
5451            }
5452        }
5453        PackageParser.Package p = pkg;
5454        synchronized (mInstallLock) {
5455            mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */,
5456                    false /* force dex */, false /* defer */, true /* include dependencies */);
5457        }
5458    }
5459
5460    @Override
5461    public boolean performDexOptIfNeeded(String packageName, String instructionSet) {
5462        return performDexOpt(packageName, instructionSet, false);
5463    }
5464
5465    public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) {
5466        boolean dexopt = mLazyDexOpt || backgroundDexopt;
5467        boolean updateUsage = !backgroundDexopt;  // Don't update usage if this is just a backgroundDexopt
5468        if (!dexopt && !updateUsage) {
5469            // We aren't going to dexopt or update usage, so bail early.
5470            return false;
5471        }
5472        PackageParser.Package p;
5473        final String targetInstructionSet;
5474        synchronized (mPackages) {
5475            p = mPackages.get(packageName);
5476            if (p == null) {
5477                return false;
5478            }
5479            if (updateUsage) {
5480                p.mLastPackageUsageTimeInMills = System.currentTimeMillis();
5481            }
5482            mPackageUsage.write(false);
5483            if (!dexopt) {
5484                // We aren't going to dexopt, so bail early.
5485                return false;
5486            }
5487
5488            targetInstructionSet = instructionSet != null ? instructionSet :
5489                    getPrimaryInstructionSet(p.applicationInfo);
5490            if (p.mDexOptPerformed.contains(targetInstructionSet)) {
5491                return false;
5492            }
5493        }
5494
5495        synchronized (mInstallLock) {
5496            final String[] instructionSets = new String[] { targetInstructionSet };
5497            int result = mPackageDexOptimizer.performDexOpt(p, instructionSets,
5498                    false /* forceDex */, false /* defer */, true /* inclDependencies */);
5499            return result == PackageDexOptimizer.DEX_OPT_PERFORMED;
5500        }
5501    }
5502
5503    public ArraySet<String> getPackagesThatNeedDexOpt() {
5504        ArraySet<String> pkgs = null;
5505        synchronized (mPackages) {
5506            for (PackageParser.Package p : mPackages.values()) {
5507                if (DEBUG_DEXOPT) {
5508                    Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray());
5509                }
5510                if (!p.mDexOptPerformed.isEmpty()) {
5511                    continue;
5512                }
5513                if (pkgs == null) {
5514                    pkgs = new ArraySet<String>();
5515                }
5516                pkgs.add(p.packageName);
5517            }
5518        }
5519        return pkgs;
5520    }
5521
5522    public void shutdown() {
5523        mPackageUsage.write(true);
5524    }
5525
5526    @Override
5527    public void forceDexOpt(String packageName) {
5528        enforceSystemOrRoot("forceDexOpt");
5529
5530        PackageParser.Package pkg;
5531        synchronized (mPackages) {
5532            pkg = mPackages.get(packageName);
5533            if (pkg == null) {
5534                throw new IllegalArgumentException("Missing package: " + packageName);
5535            }
5536        }
5537
5538        synchronized (mInstallLock) {
5539            final String[] instructionSets = new String[] {
5540                    getPrimaryInstructionSet(pkg.applicationInfo) };
5541            final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets,
5542                    true /*forceDex*/, false /* defer */, true /* inclDependencies */);
5543            if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) {
5544                throw new IllegalStateException("Failed to dexopt: " + res);
5545            }
5546        }
5547    }
5548
5549    private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) {
5550        if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) {
5551            Slog.w(TAG, "Unable to update from " + oldPkg.name
5552                    + " to " + newPkg.packageName
5553                    + ": old package not in system partition");
5554            return false;
5555        } else if (mPackages.get(oldPkg.name) != null) {
5556            Slog.w(TAG, "Unable to update from " + oldPkg.name
5557                    + " to " + newPkg.packageName
5558                    + ": old package still exists");
5559            return false;
5560        }
5561        return true;
5562    }
5563
5564    private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) {
5565        int[] users = sUserManager.getUserIds();
5566        int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo);
5567        if (res < 0) {
5568            return res;
5569        }
5570        for (int user : users) {
5571            if (user != 0) {
5572                res = mInstaller.createUserData(volumeUuid, packageName,
5573                        UserHandle.getUid(user, uid), user, seinfo);
5574                if (res < 0) {
5575                    return res;
5576                }
5577            }
5578        }
5579        return res;
5580    }
5581
5582    private int removeDataDirsLI(String volumeUuid, String packageName) {
5583        int[] users = sUserManager.getUserIds();
5584        int res = 0;
5585        for (int user : users) {
5586            int resInner = mInstaller.remove(volumeUuid, packageName, user);
5587            if (resInner < 0) {
5588                res = resInner;
5589            }
5590        }
5591
5592        return res;
5593    }
5594
5595    private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) {
5596        int[] users = sUserManager.getUserIds();
5597        int res = 0;
5598        for (int user : users) {
5599            int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user);
5600            if (resInner < 0) {
5601                res = resInner;
5602            }
5603        }
5604        return res;
5605    }
5606
5607    private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file,
5608            PackageParser.Package changingLib) {
5609        if (file.path != null) {
5610            usesLibraryFiles.add(file.path);
5611            return;
5612        }
5613        PackageParser.Package p = mPackages.get(file.apk);
5614        if (changingLib != null && changingLib.packageName.equals(file.apk)) {
5615            // If we are doing this while in the middle of updating a library apk,
5616            // then we need to make sure to use that new apk for determining the
5617            // dependencies here.  (We haven't yet finished committing the new apk
5618            // to the package manager state.)
5619            if (p == null || p.packageName.equals(changingLib.packageName)) {
5620                p = changingLib;
5621            }
5622        }
5623        if (p != null) {
5624            usesLibraryFiles.addAll(p.getAllCodePaths());
5625        }
5626    }
5627
5628    private void updateSharedLibrariesLPw(PackageParser.Package pkg,
5629            PackageParser.Package changingLib) throws PackageManagerException {
5630        if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) {
5631            final ArraySet<String> usesLibraryFiles = new ArraySet<>();
5632            int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0;
5633            for (int i=0; i<N; i++) {
5634                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i));
5635                if (file == null) {
5636                    throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY,
5637                            "Package " + pkg.packageName + " requires unavailable shared library "
5638                            + pkg.usesLibraries.get(i) + "; failing!");
5639                }
5640                addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
5641            }
5642            N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0;
5643            for (int i=0; i<N; i++) {
5644                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i));
5645                if (file == null) {
5646                    Slog.w(TAG, "Package " + pkg.packageName
5647                            + " desires unavailable shared library "
5648                            + pkg.usesOptionalLibraries.get(i) + "; ignoring!");
5649                } else {
5650                    addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
5651                }
5652            }
5653            N = usesLibraryFiles.size();
5654            if (N > 0) {
5655                pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]);
5656            } else {
5657                pkg.usesLibraryFiles = null;
5658            }
5659        }
5660    }
5661
5662    private static boolean hasString(List<String> list, List<String> which) {
5663        if (list == null) {
5664            return false;
5665        }
5666        for (int i=list.size()-1; i>=0; i--) {
5667            for (int j=which.size()-1; j>=0; j--) {
5668                if (which.get(j).equals(list.get(i))) {
5669                    return true;
5670                }
5671            }
5672        }
5673        return false;
5674    }
5675
5676    private void updateAllSharedLibrariesLPw() {
5677        for (PackageParser.Package pkg : mPackages.values()) {
5678            try {
5679                updateSharedLibrariesLPw(pkg, null);
5680            } catch (PackageManagerException e) {
5681                Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
5682            }
5683        }
5684    }
5685
5686    private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw(
5687            PackageParser.Package changingPkg) {
5688        ArrayList<PackageParser.Package> res = null;
5689        for (PackageParser.Package pkg : mPackages.values()) {
5690            if (hasString(pkg.usesLibraries, changingPkg.libraryNames)
5691                    || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) {
5692                if (res == null) {
5693                    res = new ArrayList<PackageParser.Package>();
5694                }
5695                res.add(pkg);
5696                try {
5697                    updateSharedLibrariesLPw(pkg, changingPkg);
5698                } catch (PackageManagerException e) {
5699                    Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage());
5700                }
5701            }
5702        }
5703        return res;
5704    }
5705
5706    /**
5707     * Derive the value of the {@code cpuAbiOverride} based on the provided
5708     * value and an optional stored value from the package settings.
5709     */
5710    private static String deriveAbiOverride(String abiOverride, PackageSetting settings) {
5711        String cpuAbiOverride = null;
5712
5713        if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) {
5714            cpuAbiOverride = null;
5715        } else if (abiOverride != null) {
5716            cpuAbiOverride = abiOverride;
5717        } else if (settings != null) {
5718            cpuAbiOverride = settings.cpuAbiOverrideString;
5719        }
5720
5721        return cpuAbiOverride;
5722    }
5723
5724    private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags,
5725            int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
5726        boolean success = false;
5727        try {
5728            final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags,
5729                    currentTime, user);
5730            success = true;
5731            return res;
5732        } finally {
5733            if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) {
5734                removeDataDirsLI(pkg.volumeUuid, pkg.packageName);
5735            }
5736        }
5737    }
5738
5739    private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags,
5740            int scanFlags, long currentTime, UserHandle user) throws PackageManagerException {
5741        final File scanFile = new File(pkg.codePath);
5742        if (pkg.applicationInfo.getCodePath() == null ||
5743                pkg.applicationInfo.getResourcePath() == null) {
5744            // Bail out. The resource and code paths haven't been set.
5745            throw new PackageManagerException(INSTALL_FAILED_INVALID_APK,
5746                    "Code and resource paths haven't been set correctly");
5747        }
5748
5749        if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
5750            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM;
5751        } else {
5752            // Only allow system apps to be flagged as core apps.
5753            pkg.coreApp = false;
5754        }
5755
5756        if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) {
5757            pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED;
5758        }
5759
5760        if (mCustomResolverComponentName != null &&
5761                mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) {
5762            setUpCustomResolverActivity(pkg);
5763        }
5764
5765        if (pkg.packageName.equals("android")) {
5766            synchronized (mPackages) {
5767                if (mAndroidApplication != null) {
5768                    Slog.w(TAG, "*************************************************");
5769                    Slog.w(TAG, "Core android package being redefined.  Skipping.");
5770                    Slog.w(TAG, " file=" + scanFile);
5771                    Slog.w(TAG, "*************************************************");
5772                    throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
5773                            "Core android package being redefined.  Skipping.");
5774                }
5775
5776                // Set up information for our fall-back user intent resolution activity.
5777                mPlatformPackage = pkg;
5778                pkg.mVersionCode = mSdkVersion;
5779                mAndroidApplication = pkg.applicationInfo;
5780
5781                if (!mResolverReplaced) {
5782                    mResolveActivity.applicationInfo = mAndroidApplication;
5783                    mResolveActivity.name = ResolverActivity.class.getName();
5784                    mResolveActivity.packageName = mAndroidApplication.packageName;
5785                    mResolveActivity.processName = "system:ui";
5786                    mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
5787                    mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER;
5788                    mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS;
5789                    mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert;
5790                    mResolveActivity.exported = true;
5791                    mResolveActivity.enabled = true;
5792                    mResolveInfo.activityInfo = mResolveActivity;
5793                    mResolveInfo.priority = 0;
5794                    mResolveInfo.preferredOrder = 0;
5795                    mResolveInfo.match = 0;
5796                    mResolveComponentName = new ComponentName(
5797                            mAndroidApplication.packageName, mResolveActivity.name);
5798                }
5799            }
5800        }
5801
5802        if (DEBUG_PACKAGE_SCANNING) {
5803            if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5804                Log.d(TAG, "Scanning package " + pkg.packageName);
5805        }
5806
5807        if (mPackages.containsKey(pkg.packageName)
5808                || mSharedLibraries.containsKey(pkg.packageName)) {
5809            throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE,
5810                    "Application package " + pkg.packageName
5811                    + " already installed.  Skipping duplicate.");
5812        }
5813
5814        // If we're only installing presumed-existing packages, require that the
5815        // scanned APK is both already known and at the path previously established
5816        // for it.  Previously unknown packages we pick up normally, but if we have an
5817        // a priori expectation about this package's install presence, enforce it.
5818        if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) {
5819            PackageSetting known = mSettings.peekPackageLPr(pkg.packageName);
5820            if (known != null) {
5821                if (DEBUG_PACKAGE_SCANNING) {
5822                    Log.d(TAG, "Examining " + pkg.codePath
5823                            + " and requiring known paths " + known.codePathString
5824                            + " & " + known.resourcePathString);
5825                }
5826                if (!pkg.applicationInfo.getCodePath().equals(known.codePathString)
5827                        || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) {
5828                    throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED,
5829                            "Application package " + pkg.packageName
5830                            + " found at " + pkg.applicationInfo.getCodePath()
5831                            + " but expected at " + known.codePathString + "; ignoring.");
5832                }
5833            }
5834        }
5835
5836        // Initialize package source and resource directories
5837        File destCodeFile = new File(pkg.applicationInfo.getCodePath());
5838        File destResourceFile = new File(pkg.applicationInfo.getResourcePath());
5839
5840        SharedUserSetting suid = null;
5841        PackageSetting pkgSetting = null;
5842
5843        if (!isSystemApp(pkg)) {
5844            // Only system apps can use these features.
5845            pkg.mOriginalPackages = null;
5846            pkg.mRealPackage = null;
5847            pkg.mAdoptPermissions = null;
5848        }
5849
5850        // writer
5851        synchronized (mPackages) {
5852            if (pkg.mSharedUserId != null) {
5853                suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true);
5854                if (suid == null) {
5855                    throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
5856                            "Creating application package " + pkg.packageName
5857                            + " for shared user failed");
5858                }
5859                if (DEBUG_PACKAGE_SCANNING) {
5860                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5861                        Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId
5862                                + "): packages=" + suid.packages);
5863                }
5864            }
5865
5866            // Check if we are renaming from an original package name.
5867            PackageSetting origPackage = null;
5868            String realName = null;
5869            if (pkg.mOriginalPackages != null) {
5870                // This package may need to be renamed to a previously
5871                // installed name.  Let's check on that...
5872                final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage);
5873                if (pkg.mOriginalPackages.contains(renamed)) {
5874                    // This package had originally been installed as the
5875                    // original name, and we have already taken care of
5876                    // transitioning to the new one.  Just update the new
5877                    // one to continue using the old name.
5878                    realName = pkg.mRealPackage;
5879                    if (!pkg.packageName.equals(renamed)) {
5880                        // Callers into this function may have already taken
5881                        // care of renaming the package; only do it here if
5882                        // it is not already done.
5883                        pkg.setPackageName(renamed);
5884                    }
5885
5886                } else {
5887                    for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) {
5888                        if ((origPackage = mSettings.peekPackageLPr(
5889                                pkg.mOriginalPackages.get(i))) != null) {
5890                            // We do have the package already installed under its
5891                            // original name...  should we use it?
5892                            if (!verifyPackageUpdateLPr(origPackage, pkg)) {
5893                                // New package is not compatible with original.
5894                                origPackage = null;
5895                                continue;
5896                            } else if (origPackage.sharedUser != null) {
5897                                // Make sure uid is compatible between packages.
5898                                if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) {
5899                                    Slog.w(TAG, "Unable to migrate data from " + origPackage.name
5900                                            + " to " + pkg.packageName + ": old uid "
5901                                            + origPackage.sharedUser.name
5902                                            + " differs from " + pkg.mSharedUserId);
5903                                    origPackage = null;
5904                                    continue;
5905                                }
5906                            } else {
5907                                if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package "
5908                                        + pkg.packageName + " to old name " + origPackage.name);
5909                            }
5910                            break;
5911                        }
5912                    }
5913                }
5914            }
5915
5916            if (mTransferedPackages.contains(pkg.packageName)) {
5917                Slog.w(TAG, "Package " + pkg.packageName
5918                        + " was transferred to another, but its .apk remains");
5919            }
5920
5921            // Just create the setting, don't add it yet. For already existing packages
5922            // the PkgSetting exists already and doesn't have to be created.
5923            pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile,
5924                    destResourceFile, pkg.applicationInfo.nativeLibraryRootDir,
5925                    pkg.applicationInfo.primaryCpuAbi,
5926                    pkg.applicationInfo.secondaryCpuAbi,
5927                    pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags,
5928                    user, false);
5929            if (pkgSetting == null) {
5930                throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
5931                        "Creating application package " + pkg.packageName + " failed");
5932            }
5933
5934            if (pkgSetting.origPackage != null) {
5935                // If we are first transitioning from an original package,
5936                // fix up the new package's name now.  We need to do this after
5937                // looking up the package under its new name, so getPackageLP
5938                // can take care of fiddling things correctly.
5939                pkg.setPackageName(origPackage.name);
5940
5941                // File a report about this.
5942                String msg = "New package " + pkgSetting.realName
5943                        + " renamed to replace old package " + pkgSetting.name;
5944                reportSettingsProblem(Log.WARN, msg);
5945
5946                // Make a note of it.
5947                mTransferedPackages.add(origPackage.name);
5948
5949                // No longer need to retain this.
5950                pkgSetting.origPackage = null;
5951            }
5952
5953            if (realName != null) {
5954                // Make a note of it.
5955                mTransferedPackages.add(pkg.packageName);
5956            }
5957
5958            if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) {
5959                pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
5960            }
5961
5962            if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5963                // Check all shared libraries and map to their actual file path.
5964                // We only do this here for apps not on a system dir, because those
5965                // are the only ones that can fail an install due to this.  We
5966                // will take care of the system apps by updating all of their
5967                // library paths after the scan is done.
5968                updateSharedLibrariesLPw(pkg, null);
5969            }
5970
5971            if (mFoundPolicyFile) {
5972                SELinuxMMAC.assignSeinfoValue(pkg);
5973            }
5974
5975            pkg.applicationInfo.uid = pkgSetting.appId;
5976            pkg.mExtras = pkgSetting;
5977            if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) {
5978                try {
5979                    verifySignaturesLP(pkgSetting, pkg);
5980                    // We just determined the app is signed correctly, so bring
5981                    // over the latest parsed certs.
5982                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
5983                } catch (PackageManagerException e) {
5984                    if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5985                        throw e;
5986                    }
5987                    // The signature has changed, but this package is in the system
5988                    // image...  let's recover!
5989                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
5990                    // However...  if this package is part of a shared user, but it
5991                    // doesn't match the signature of the shared user, let's fail.
5992                    // What this means is that you can't change the signatures
5993                    // associated with an overall shared user, which doesn't seem all
5994                    // that unreasonable.
5995                    if (pkgSetting.sharedUser != null) {
5996                        if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
5997                                              pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) {
5998                            throw new PackageManagerException(
5999                                    INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES,
6000                                            "Signature mismatch for shared user : "
6001                                            + pkgSetting.sharedUser);
6002                        }
6003                    }
6004                    // File a report about this.
6005                    String msg = "System package " + pkg.packageName
6006                        + " signature changed; retaining data.";
6007                    reportSettingsProblem(Log.WARN, msg);
6008                }
6009            } else {
6010                if (!checkUpgradeKeySetLP(pkgSetting, pkg)) {
6011                    throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
6012                            + pkg.packageName + " upgrade keys do not match the "
6013                            + "previously installed version");
6014                } else {
6015                    // We just determined the app is signed correctly, so bring
6016                    // over the latest parsed certs.
6017                    pkgSetting.signatures.mSignatures = pkg.mSignatures;
6018                }
6019            }
6020            // Verify that this new package doesn't have any content providers
6021            // that conflict with existing packages.  Only do this if the
6022            // package isn't already installed, since we don't want to break
6023            // things that are installed.
6024            if ((scanFlags & SCAN_NEW_INSTALL) != 0) {
6025                final int N = pkg.providers.size();
6026                int i;
6027                for (i=0; i<N; i++) {
6028                    PackageParser.Provider p = pkg.providers.get(i);
6029                    if (p.info.authority != null) {
6030                        String names[] = p.info.authority.split(";");
6031                        for (int j = 0; j < names.length; j++) {
6032                            if (mProvidersByAuthority.containsKey(names[j])) {
6033                                PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
6034                                final String otherPackageName =
6035                                        ((other != null && other.getComponentName() != null) ?
6036                                                other.getComponentName().getPackageName() : "?");
6037                                throw new PackageManagerException(
6038                                        INSTALL_FAILED_CONFLICTING_PROVIDER,
6039                                                "Can't install because provider name " + names[j]
6040                                                + " (in package " + pkg.applicationInfo.packageName
6041                                                + ") is already used by " + otherPackageName);
6042                            }
6043                        }
6044                    }
6045                }
6046            }
6047
6048            if (pkg.mAdoptPermissions != null) {
6049                // This package wants to adopt ownership of permissions from
6050                // another package.
6051                for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) {
6052                    final String origName = pkg.mAdoptPermissions.get(i);
6053                    final PackageSetting orig = mSettings.peekPackageLPr(origName);
6054                    if (orig != null) {
6055                        if (verifyPackageUpdateLPr(orig, pkg)) {
6056                            Slog.i(TAG, "Adopting permissions from " + origName + " to "
6057                                    + pkg.packageName);
6058                            mSettings.transferPermissionsLPw(origName, pkg.packageName);
6059                        }
6060                    }
6061                }
6062            }
6063        }
6064
6065        final String pkgName = pkg.packageName;
6066
6067        final long scanFileTime = scanFile.lastModified();
6068        final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0;
6069        pkg.applicationInfo.processName = fixProcessName(
6070                pkg.applicationInfo.packageName,
6071                pkg.applicationInfo.processName,
6072                pkg.applicationInfo.uid);
6073
6074        File dataPath;
6075        if (mPlatformPackage == pkg) {
6076            // The system package is special.
6077            dataPath = new File(Environment.getDataDirectory(), "system");
6078
6079            pkg.applicationInfo.dataDir = dataPath.getPath();
6080
6081        } else {
6082            // This is a normal package, need to make its data directory.
6083            dataPath = PackageManager.getDataDirForUser(pkg.volumeUuid, pkg.packageName,
6084                    UserHandle.USER_OWNER);
6085
6086            boolean uidError = false;
6087            if (dataPath.exists()) {
6088                int currentUid = 0;
6089                try {
6090                    StructStat stat = Os.stat(dataPath.getPath());
6091                    currentUid = stat.st_uid;
6092                } catch (ErrnoException e) {
6093                    Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e);
6094                }
6095
6096                // If we have mismatched owners for the data path, we have a problem.
6097                if (currentUid != pkg.applicationInfo.uid) {
6098                    boolean recovered = false;
6099                    if (currentUid == 0) {
6100                        // The directory somehow became owned by root.  Wow.
6101                        // This is probably because the system was stopped while
6102                        // installd was in the middle of messing with its libs
6103                        // directory.  Ask installd to fix that.
6104                        int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName,
6105                                pkg.applicationInfo.uid, pkg.applicationInfo.uid);
6106                        if (ret >= 0) {
6107                            recovered = true;
6108                            String msg = "Package " + pkg.packageName
6109                                    + " unexpectedly changed to uid 0; recovered to " +
6110                                    + pkg.applicationInfo.uid;
6111                            reportSettingsProblem(Log.WARN, msg);
6112                        }
6113                    }
6114                    if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
6115                            || (scanFlags&SCAN_BOOTING) != 0)) {
6116                        // If this is a system app, we can at least delete its
6117                        // current data so the application will still work.
6118                        int ret = removeDataDirsLI(pkg.volumeUuid, pkgName);
6119                        if (ret >= 0) {
6120                            // TODO: Kill the processes first
6121                            // Old data gone!
6122                            String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
6123                                    ? "System package " : "Third party package ";
6124                            String msg = prefix + pkg.packageName
6125                                    + " has changed from uid: "
6126                                    + currentUid + " to "
6127                                    + pkg.applicationInfo.uid + "; old data erased";
6128                            reportSettingsProblem(Log.WARN, msg);
6129                            recovered = true;
6130
6131                            // And now re-install the app.
6132                            ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid,
6133                                    pkg.applicationInfo.seinfo);
6134                            if (ret == -1) {
6135                                // Ack should not happen!
6136                                msg = prefix + pkg.packageName
6137                                        + " could not have data directory re-created after delete.";
6138                                reportSettingsProblem(Log.WARN, msg);
6139                                throw new PackageManagerException(
6140                                        INSTALL_FAILED_INSUFFICIENT_STORAGE, msg);
6141                            }
6142                        }
6143                        if (!recovered) {
6144                            mHasSystemUidErrors = true;
6145                        }
6146                    } else if (!recovered) {
6147                        // If we allow this install to proceed, we will be broken.
6148                        // Abort, abort!
6149                        throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED,
6150                                "scanPackageLI");
6151                    }
6152                    if (!recovered) {
6153                        pkg.applicationInfo.dataDir = "/mismatched_uid/settings_"
6154                            + pkg.applicationInfo.uid + "/fs_"
6155                            + currentUid;
6156                        pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir;
6157                        pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir;
6158                        String msg = "Package " + pkg.packageName
6159                                + " has mismatched uid: "
6160                                + currentUid + " on disk, "
6161                                + pkg.applicationInfo.uid + " in settings";
6162                        // writer
6163                        synchronized (mPackages) {
6164                            mSettings.mReadMessages.append(msg);
6165                            mSettings.mReadMessages.append('\n');
6166                            uidError = true;
6167                            if (!pkgSetting.uidError) {
6168                                reportSettingsProblem(Log.ERROR, msg);
6169                            }
6170                        }
6171                    }
6172                }
6173                pkg.applicationInfo.dataDir = dataPath.getPath();
6174                if (mShouldRestoreconData) {
6175                    Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued.");
6176                    mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName,
6177                            pkg.applicationInfo.seinfo, pkg.applicationInfo.uid);
6178                }
6179            } else {
6180                if (DEBUG_PACKAGE_SCANNING) {
6181                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
6182                        Log.v(TAG, "Want this data dir: " + dataPath);
6183                }
6184                //invoke installer to do the actual installation
6185                int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid,
6186                        pkg.applicationInfo.seinfo);
6187                if (ret < 0) {
6188                    // Error from installer
6189                    throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE,
6190                            "Unable to create data dirs [errorCode=" + ret + "]");
6191                }
6192
6193                if (dataPath.exists()) {
6194                    pkg.applicationInfo.dataDir = dataPath.getPath();
6195                } else {
6196                    Slog.w(TAG, "Unable to create data directory: " + dataPath);
6197                    pkg.applicationInfo.dataDir = null;
6198                }
6199            }
6200
6201            pkgSetting.uidError = uidError;
6202        }
6203
6204        final String path = scanFile.getPath();
6205        final String codePath = pkg.applicationInfo.getCodePath();
6206        final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting);
6207        if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) {
6208            setBundledAppAbisAndRoots(pkg, pkgSetting);
6209
6210            // If we haven't found any native libraries for the app, check if it has
6211            // renderscript code. We'll need to force the app to 32 bit if it has
6212            // renderscript bitcode.
6213            if (pkg.applicationInfo.primaryCpuAbi == null
6214                    && pkg.applicationInfo.secondaryCpuAbi == null
6215                    && Build.SUPPORTED_64_BIT_ABIS.length >  0) {
6216                NativeLibraryHelper.Handle handle = null;
6217                try {
6218                    handle = NativeLibraryHelper.Handle.create(scanFile);
6219                    if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
6220                        pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
6221                    }
6222                } catch (IOException ioe) {
6223                    Slog.w(TAG, "Error scanning system app : " + ioe);
6224                } finally {
6225                    IoUtils.closeQuietly(handle);
6226                }
6227            }
6228
6229            setNativeLibraryPaths(pkg);
6230        } else {
6231            // TODO: We can probably be smarter about this stuff. For installed apps,
6232            // we can calculate this information at install time once and for all. For
6233            // system apps, we can probably assume that this information doesn't change
6234            // after the first boot scan. As things stand, we do lots of unnecessary work.
6235
6236            // Give ourselves some initial paths; we'll come back for another
6237            // pass once we've determined ABI below.
6238            setNativeLibraryPaths(pkg);
6239
6240            final boolean isAsec = pkg.isForwardLocked() || isExternal(pkg);
6241            final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir;
6242            final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa;
6243
6244            NativeLibraryHelper.Handle handle = null;
6245            try {
6246                handle = NativeLibraryHelper.Handle.create(scanFile);
6247                // TODO(multiArch): This can be null for apps that didn't go through the
6248                // usual installation process. We can calculate it again, like we
6249                // do during install time.
6250                //
6251                // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally
6252                // unnecessary.
6253                final File nativeLibraryRoot = new File(nativeLibraryRootStr);
6254
6255                // Null out the abis so that they can be recalculated.
6256                pkg.applicationInfo.primaryCpuAbi = null;
6257                pkg.applicationInfo.secondaryCpuAbi = null;
6258                if (isMultiArch(pkg.applicationInfo)) {
6259                    // Warn if we've set an abiOverride for multi-lib packages..
6260                    // By definition, we need to copy both 32 and 64 bit libraries for
6261                    // such packages.
6262                    if (pkg.cpuAbiOverride != null
6263                            && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) {
6264                        Slog.w(TAG, "Ignoring abiOverride for multi arch application.");
6265                    }
6266
6267                    int abi32 = PackageManager.NO_NATIVE_LIBRARIES;
6268                    int abi64 = PackageManager.NO_NATIVE_LIBRARIES;
6269                    if (Build.SUPPORTED_32_BIT_ABIS.length > 0) {
6270                        if (isAsec) {
6271                            abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS);
6272                        } else {
6273                            abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
6274                                    nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS,
6275                                    useIsaSpecificSubdirs);
6276                        }
6277                    }
6278
6279                    maybeThrowExceptionForMultiArchCopy(
6280                            "Error unpackaging 32 bit native libs for multiarch app.", abi32);
6281
6282                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0) {
6283                        if (isAsec) {
6284                            abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS);
6285                        } else {
6286                            abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
6287                                    nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS,
6288                                    useIsaSpecificSubdirs);
6289                        }
6290                    }
6291
6292                    maybeThrowExceptionForMultiArchCopy(
6293                            "Error unpackaging 64 bit native libs for multiarch app.", abi64);
6294
6295                    if (abi64 >= 0) {
6296                        pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64];
6297                    }
6298
6299                    if (abi32 >= 0) {
6300                        final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32];
6301                        if (abi64 >= 0) {
6302                            pkg.applicationInfo.secondaryCpuAbi = abi;
6303                        } else {
6304                            pkg.applicationInfo.primaryCpuAbi = abi;
6305                        }
6306                    }
6307                } else {
6308                    String[] abiList = (cpuAbiOverride != null) ?
6309                            new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS;
6310
6311                    // Enable gross and lame hacks for apps that are built with old
6312                    // SDK tools. We must scan their APKs for renderscript bitcode and
6313                    // not launch them if it's present. Don't bother checking on devices
6314                    // that don't have 64 bit support.
6315                    boolean needsRenderScriptOverride = false;
6316                    if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null &&
6317                            NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
6318                        abiList = Build.SUPPORTED_32_BIT_ABIS;
6319                        needsRenderScriptOverride = true;
6320                    }
6321
6322                    final int copyRet;
6323                    if (isAsec) {
6324                        copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList);
6325                    } else {
6326                        copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle,
6327                                nativeLibraryRoot, abiList, useIsaSpecificSubdirs);
6328                    }
6329
6330                    if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) {
6331                        throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
6332                                "Error unpackaging native libs for app, errorCode=" + copyRet);
6333                    }
6334
6335                    if (copyRet >= 0) {
6336                        pkg.applicationInfo.primaryCpuAbi = abiList[copyRet];
6337                    } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) {
6338                        pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride;
6339                    } else if (needsRenderScriptOverride) {
6340                        pkg.applicationInfo.primaryCpuAbi = abiList[0];
6341                    }
6342                }
6343            } catch (IOException ioe) {
6344                Slog.e(TAG, "Unable to get canonical file " + ioe.toString());
6345            } finally {
6346                IoUtils.closeQuietly(handle);
6347            }
6348
6349            // Now that we've calculated the ABIs and determined if it's an internal app,
6350            // we will go ahead and populate the nativeLibraryPath.
6351            setNativeLibraryPaths(pkg);
6352
6353            if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path);
6354            final int[] userIds = sUserManager.getUserIds();
6355            synchronized (mInstallLock) {
6356                // Create a native library symlink only if we have native libraries
6357                // and if the native libraries are 32 bit libraries. We do not provide
6358                // this symlink for 64 bit libraries.
6359                if (pkg.applicationInfo.primaryCpuAbi != null &&
6360                        !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
6361                    final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
6362                    for (int userId : userIds) {
6363                        if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName,
6364                                nativeLibPath, userId) < 0) {
6365                            throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR,
6366                                    "Failed linking native library dir (user=" + userId + ")");
6367                        }
6368                    }
6369                }
6370            }
6371        }
6372
6373        // This is a special case for the "system" package, where the ABI is
6374        // dictated by the zygote configuration (and init.rc). We should keep track
6375        // of this ABI so that we can deal with "normal" applications that run under
6376        // the same UID correctly.
6377        if (mPlatformPackage == pkg) {
6378            pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ?
6379                    Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0];
6380        }
6381
6382        pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
6383        pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
6384        pkgSetting.cpuAbiOverrideString = cpuAbiOverride;
6385        // Copy the derived override back to the parsed package, so that we can
6386        // update the package settings accordingly.
6387        pkg.cpuAbiOverride = cpuAbiOverride;
6388
6389        if (DEBUG_ABI_SELECTION) {
6390            Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName
6391                    + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa="
6392                    + pkg.applicationInfo.nativeLibraryRootRequiresIsa);
6393        }
6394
6395        // Push the derived path down into PackageSettings so we know what to
6396        // clean up at uninstall time.
6397        pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir;
6398
6399        if (DEBUG_ABI_SELECTION) {
6400            Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" +
6401                    " primary=" + pkg.applicationInfo.primaryCpuAbi +
6402                    " secondary=" + pkg.applicationInfo.secondaryCpuAbi);
6403        }
6404
6405        if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) {
6406            // We don't do this here during boot because we can do it all
6407            // at once after scanning all existing packages.
6408            //
6409            // We also do this *before* we perform dexopt on this package, so that
6410            // we can avoid redundant dexopts, and also to make sure we've got the
6411            // code and package path correct.
6412            adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages,
6413                    pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0);
6414        }
6415
6416        if ((scanFlags & SCAN_NO_DEX) == 0) {
6417            int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */,
6418                    forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */);
6419            if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
6420                throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI");
6421            }
6422        }
6423        if (mFactoryTest && pkg.requestedPermissions.contains(
6424                android.Manifest.permission.FACTORY_TEST)) {
6425            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST;
6426        }
6427
6428        ArrayList<PackageParser.Package> clientLibPkgs = null;
6429
6430        // writer
6431        synchronized (mPackages) {
6432            if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
6433                // Only system apps can add new shared libraries.
6434                if (pkg.libraryNames != null) {
6435                    for (int i=0; i<pkg.libraryNames.size(); i++) {
6436                        String name = pkg.libraryNames.get(i);
6437                        boolean allowed = false;
6438                        if (pkg.isUpdatedSystemApp()) {
6439                            // New library entries can only be added through the
6440                            // system image.  This is important to get rid of a lot
6441                            // of nasty edge cases: for example if we allowed a non-
6442                            // system update of the app to add a library, then uninstalling
6443                            // the update would make the library go away, and assumptions
6444                            // we made such as through app install filtering would now
6445                            // have allowed apps on the device which aren't compatible
6446                            // with it.  Better to just have the restriction here, be
6447                            // conservative, and create many fewer cases that can negatively
6448                            // impact the user experience.
6449                            final PackageSetting sysPs = mSettings
6450                                    .getDisabledSystemPkgLPr(pkg.packageName);
6451                            if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) {
6452                                for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) {
6453                                    if (name.equals(sysPs.pkg.libraryNames.get(j))) {
6454                                        allowed = true;
6455                                        allowed = true;
6456                                        break;
6457                                    }
6458                                }
6459                            }
6460                        } else {
6461                            allowed = true;
6462                        }
6463                        if (allowed) {
6464                            if (!mSharedLibraries.containsKey(name)) {
6465                                mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName));
6466                            } else if (!name.equals(pkg.packageName)) {
6467                                Slog.w(TAG, "Package " + pkg.packageName + " library "
6468                                        + name + " already exists; skipping");
6469                            }
6470                        } else {
6471                            Slog.w(TAG, "Package " + pkg.packageName + " declares lib "
6472                                    + name + " that is not declared on system image; skipping");
6473                        }
6474                    }
6475                    if ((scanFlags&SCAN_BOOTING) == 0) {
6476                        // If we are not booting, we need to update any applications
6477                        // that are clients of our shared library.  If we are booting,
6478                        // this will all be done once the scan is complete.
6479                        clientLibPkgs = updateAllSharedLibrariesLPw(pkg);
6480                    }
6481                }
6482            }
6483        }
6484
6485        // We also need to dexopt any apps that are dependent on this library.  Note that
6486        // if these fail, we should abort the install since installing the library will
6487        // result in some apps being broken.
6488        if (clientLibPkgs != null) {
6489            if ((scanFlags & SCAN_NO_DEX) == 0) {
6490                for (int i = 0; i < clientLibPkgs.size(); i++) {
6491                    PackageParser.Package clientPkg = clientLibPkgs.get(i);
6492                    int result = mPackageDexOptimizer.performDexOpt(clientPkg,
6493                            null /* instruction sets */, forceDex,
6494                            (scanFlags & SCAN_DEFER_DEX) != 0, false);
6495                    if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
6496                        throw new PackageManagerException(INSTALL_FAILED_DEXOPT,
6497                                "scanPackageLI failed to dexopt clientLibPkgs");
6498                    }
6499                }
6500            }
6501        }
6502
6503        // Also need to kill any apps that are dependent on the library.
6504        if (clientLibPkgs != null) {
6505            for (int i=0; i<clientLibPkgs.size(); i++) {
6506                PackageParser.Package clientPkg = clientLibPkgs.get(i);
6507                killApplication(clientPkg.applicationInfo.packageName,
6508                        clientPkg.applicationInfo.uid, "update lib");
6509            }
6510        }
6511
6512        // writer
6513        synchronized (mPackages) {
6514            // We don't expect installation to fail beyond this point
6515
6516            // Add the new setting to mSettings
6517            mSettings.insertPackageSettingLPw(pkgSetting, pkg);
6518            // Add the new setting to mPackages
6519            mPackages.put(pkg.applicationInfo.packageName, pkg);
6520            // Make sure we don't accidentally delete its data.
6521            final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator();
6522            while (iter.hasNext()) {
6523                PackageCleanItem item = iter.next();
6524                if (pkgName.equals(item.packageName)) {
6525                    iter.remove();
6526                }
6527            }
6528
6529            // Take care of first install / last update times.
6530            if (currentTime != 0) {
6531                if (pkgSetting.firstInstallTime == 0) {
6532                    pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime;
6533                } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) {
6534                    pkgSetting.lastUpdateTime = currentTime;
6535                }
6536            } else if (pkgSetting.firstInstallTime == 0) {
6537                // We need *something*.  Take time time stamp of the file.
6538                pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime;
6539            } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) {
6540                if (scanFileTime != pkgSetting.timeStamp) {
6541                    // A package on the system image has changed; consider this
6542                    // to be an update.
6543                    pkgSetting.lastUpdateTime = scanFileTime;
6544                }
6545            }
6546
6547            // Add the package's KeySets to the global KeySetManagerService
6548            KeySetManagerService ksms = mSettings.mKeySetManagerService;
6549            try {
6550                ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys);
6551                if (pkg.mKeySetMapping != null) {
6552                    ksms.addDefinedKeySetsToPackageLPw(pkg.packageName, pkg.mKeySetMapping);
6553                    if (pkg.mUpgradeKeySets != null) {
6554                        ksms.addUpgradeKeySetsToPackageLPw(pkg.packageName, pkg.mUpgradeKeySets);
6555                    }
6556                }
6557            } catch (NullPointerException e) {
6558                Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e);
6559            } catch (IllegalArgumentException e) {
6560                Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e);
6561            }
6562
6563            int N = pkg.providers.size();
6564            StringBuilder r = null;
6565            int i;
6566            for (i=0; i<N; i++) {
6567                PackageParser.Provider p = pkg.providers.get(i);
6568                p.info.processName = fixProcessName(pkg.applicationInfo.processName,
6569                        p.info.processName, pkg.applicationInfo.uid);
6570                mProviders.addProvider(p);
6571                p.syncable = p.info.isSyncable;
6572                if (p.info.authority != null) {
6573                    String names[] = p.info.authority.split(";");
6574                    p.info.authority = null;
6575                    for (int j = 0; j < names.length; j++) {
6576                        if (j == 1 && p.syncable) {
6577                            // We only want the first authority for a provider to possibly be
6578                            // syncable, so if we already added this provider using a different
6579                            // authority clear the syncable flag. We copy the provider before
6580                            // changing it because the mProviders object contains a reference
6581                            // to a provider that we don't want to change.
6582                            // Only do this for the second authority since the resulting provider
6583                            // object can be the same for all future authorities for this provider.
6584                            p = new PackageParser.Provider(p);
6585                            p.syncable = false;
6586                        }
6587                        if (!mProvidersByAuthority.containsKey(names[j])) {
6588                            mProvidersByAuthority.put(names[j], p);
6589                            if (p.info.authority == null) {
6590                                p.info.authority = names[j];
6591                            } else {
6592                                p.info.authority = p.info.authority + ";" + names[j];
6593                            }
6594                            if (DEBUG_PACKAGE_SCANNING) {
6595                                if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
6596                                    Log.d(TAG, "Registered content provider: " + names[j]
6597                                            + ", className = " + p.info.name + ", isSyncable = "
6598                                            + p.info.isSyncable);
6599                            }
6600                        } else {
6601                            PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
6602                            Slog.w(TAG, "Skipping provider name " + names[j] +
6603                                    " (in package " + pkg.applicationInfo.packageName +
6604                                    "): name already used by "
6605                                    + ((other != null && other.getComponentName() != null)
6606                                            ? other.getComponentName().getPackageName() : "?"));
6607                        }
6608                    }
6609                }
6610                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6611                    if (r == null) {
6612                        r = new StringBuilder(256);
6613                    } else {
6614                        r.append(' ');
6615                    }
6616                    r.append(p.info.name);
6617                }
6618            }
6619            if (r != null) {
6620                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Providers: " + r);
6621            }
6622
6623            N = pkg.services.size();
6624            r = null;
6625            for (i=0; i<N; i++) {
6626                PackageParser.Service s = pkg.services.get(i);
6627                s.info.processName = fixProcessName(pkg.applicationInfo.processName,
6628                        s.info.processName, pkg.applicationInfo.uid);
6629                mServices.addService(s);
6630                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6631                    if (r == null) {
6632                        r = new StringBuilder(256);
6633                    } else {
6634                        r.append(' ');
6635                    }
6636                    r.append(s.info.name);
6637                }
6638            }
6639            if (r != null) {
6640                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Services: " + r);
6641            }
6642
6643            N = pkg.receivers.size();
6644            r = null;
6645            for (i=0; i<N; i++) {
6646                PackageParser.Activity a = pkg.receivers.get(i);
6647                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
6648                        a.info.processName, pkg.applicationInfo.uid);
6649                mReceivers.addActivity(a, "receiver");
6650                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6651                    if (r == null) {
6652                        r = new StringBuilder(256);
6653                    } else {
6654                        r.append(' ');
6655                    }
6656                    r.append(a.info.name);
6657                }
6658            }
6659            if (r != null) {
6660                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Receivers: " + r);
6661            }
6662
6663            N = pkg.activities.size();
6664            r = null;
6665            for (i=0; i<N; i++) {
6666                PackageParser.Activity a = pkg.activities.get(i);
6667                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
6668                        a.info.processName, pkg.applicationInfo.uid);
6669                mActivities.addActivity(a, "activity");
6670                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6671                    if (r == null) {
6672                        r = new StringBuilder(256);
6673                    } else {
6674                        r.append(' ');
6675                    }
6676                    r.append(a.info.name);
6677                }
6678            }
6679            if (r != null) {
6680                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Activities: " + r);
6681            }
6682
6683            N = pkg.permissionGroups.size();
6684            r = null;
6685            for (i=0; i<N; i++) {
6686                PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i);
6687                PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name);
6688                if (cur == null) {
6689                    mPermissionGroups.put(pg.info.name, pg);
6690                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6691                        if (r == null) {
6692                            r = new StringBuilder(256);
6693                        } else {
6694                            r.append(' ');
6695                        }
6696                        r.append(pg.info.name);
6697                    }
6698                } else {
6699                    Slog.w(TAG, "Permission group " + pg.info.name + " from package "
6700                            + pg.info.packageName + " ignored: original from "
6701                            + cur.info.packageName);
6702                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6703                        if (r == null) {
6704                            r = new StringBuilder(256);
6705                        } else {
6706                            r.append(' ');
6707                        }
6708                        r.append("DUP:");
6709                        r.append(pg.info.name);
6710                    }
6711                }
6712            }
6713            if (r != null) {
6714                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permission Groups: " + r);
6715            }
6716
6717            N = pkg.permissions.size();
6718            r = null;
6719            for (i=0; i<N; i++) {
6720                PackageParser.Permission p = pkg.permissions.get(i);
6721
6722                // Now that permission groups have a special meaning, we ignore permission
6723                // groups for legacy apps to prevent unexpected behavior. In particular,
6724                // permissions for one app being granted to someone just becuase they happen
6725                // to be in a group defined by another app (before this had no implications).
6726                if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) {
6727                    p.group = mPermissionGroups.get(p.info.group);
6728                    // Warn for a permission in an unknown group.
6729                    if (p.info.group != null && p.group == null) {
6730                        Slog.w(TAG, "Permission " + p.info.name + " from package "
6731                                + p.info.packageName + " in an unknown group " + p.info.group);
6732                    }
6733                }
6734
6735                ArrayMap<String, BasePermission> permissionMap =
6736                        p.tree ? mSettings.mPermissionTrees
6737                                : mSettings.mPermissions;
6738                BasePermission bp = permissionMap.get(p.info.name);
6739
6740                // Allow system apps to redefine non-system permissions
6741                if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) {
6742                    final boolean currentOwnerIsSystem = (bp.perm != null
6743                            && isSystemApp(bp.perm.owner));
6744                    if (isSystemApp(p.owner)) {
6745                        if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) {
6746                            // It's a built-in permission and no owner, take ownership now
6747                            bp.packageSetting = pkgSetting;
6748                            bp.perm = p;
6749                            bp.uid = pkg.applicationInfo.uid;
6750                            bp.sourcePackage = p.info.packageName;
6751                        } else if (!currentOwnerIsSystem) {
6752                            String msg = "New decl " + p.owner + " of permission  "
6753                                    + p.info.name + " is system; overriding " + bp.sourcePackage;
6754                            reportSettingsProblem(Log.WARN, msg);
6755                            bp = null;
6756                        }
6757                    }
6758                }
6759
6760                if (bp == null) {
6761                    bp = new BasePermission(p.info.name, p.info.packageName,
6762                            BasePermission.TYPE_NORMAL);
6763                    permissionMap.put(p.info.name, bp);
6764                }
6765
6766                if (bp.perm == null) {
6767                    if (bp.sourcePackage == null
6768                            || bp.sourcePackage.equals(p.info.packageName)) {
6769                        BasePermission tree = findPermissionTreeLP(p.info.name);
6770                        if (tree == null
6771                                || tree.sourcePackage.equals(p.info.packageName)) {
6772                            bp.packageSetting = pkgSetting;
6773                            bp.perm = p;
6774                            bp.uid = pkg.applicationInfo.uid;
6775                            bp.sourcePackage = p.info.packageName;
6776                            if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6777                                if (r == null) {
6778                                    r = new StringBuilder(256);
6779                                } else {
6780                                    r.append(' ');
6781                                }
6782                                r.append(p.info.name);
6783                            }
6784                        } else {
6785                            Slog.w(TAG, "Permission " + p.info.name + " from package "
6786                                    + p.info.packageName + " ignored: base tree "
6787                                    + tree.name + " is from package "
6788                                    + tree.sourcePackage);
6789                        }
6790                    } else {
6791                        Slog.w(TAG, "Permission " + p.info.name + " from package "
6792                                + p.info.packageName + " ignored: original from "
6793                                + bp.sourcePackage);
6794                    }
6795                } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6796                    if (r == null) {
6797                        r = new StringBuilder(256);
6798                    } else {
6799                        r.append(' ');
6800                    }
6801                    r.append("DUP:");
6802                    r.append(p.info.name);
6803                }
6804                if (bp.perm == p) {
6805                    bp.protectionLevel = p.info.protectionLevel;
6806                }
6807            }
6808
6809            if (r != null) {
6810                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permissions: " + r);
6811            }
6812
6813            N = pkg.instrumentation.size();
6814            r = null;
6815            for (i=0; i<N; i++) {
6816                PackageParser.Instrumentation a = pkg.instrumentation.get(i);
6817                a.info.packageName = pkg.applicationInfo.packageName;
6818                a.info.sourceDir = pkg.applicationInfo.sourceDir;
6819                a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir;
6820                a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs;
6821                a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs;
6822                a.info.dataDir = pkg.applicationInfo.dataDir;
6823
6824                // TODO: Update instrumentation.nativeLibraryDir as well ? Does it
6825                // need other information about the application, like the ABI and what not ?
6826                a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir;
6827                mInstrumentation.put(a.getComponentName(), a);
6828                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
6829                    if (r == null) {
6830                        r = new StringBuilder(256);
6831                    } else {
6832                        r.append(' ');
6833                    }
6834                    r.append(a.info.name);
6835                }
6836            }
6837            if (r != null) {
6838                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Instrumentation: " + r);
6839            }
6840
6841            if (pkg.protectedBroadcasts != null) {
6842                N = pkg.protectedBroadcasts.size();
6843                for (i=0; i<N; i++) {
6844                    mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i));
6845                }
6846            }
6847
6848            pkgSetting.setTimeStamp(scanFileTime);
6849
6850            // Create idmap files for pairs of (packages, overlay packages).
6851            // Note: "android", ie framework-res.apk, is handled by native layers.
6852            if (pkg.mOverlayTarget != null) {
6853                // This is an overlay package.
6854                if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) {
6855                    if (!mOverlays.containsKey(pkg.mOverlayTarget)) {
6856                        mOverlays.put(pkg.mOverlayTarget,
6857                                new ArrayMap<String, PackageParser.Package>());
6858                    }
6859                    ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget);
6860                    map.put(pkg.packageName, pkg);
6861                    PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget);
6862                    if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) {
6863                        throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
6864                                "scanPackageLI failed to createIdmap");
6865                    }
6866                }
6867            } else if (mOverlays.containsKey(pkg.packageName) &&
6868                    !pkg.packageName.equals("android")) {
6869                // This is a regular package, with one or more known overlay packages.
6870                createIdmapsForPackageLI(pkg);
6871            }
6872        }
6873
6874        return pkg;
6875    }
6876
6877    /**
6878     * Adjusts ABIs for a set of packages belonging to a shared user so that they all match.
6879     * i.e, so that all packages can be run inside a single process if required.
6880     *
6881     * Optionally, callers can pass in a parsed package via {@code newPackage} in which case
6882     * this function will either try and make the ABI for all packages in {@code packagesForUser}
6883     * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match
6884     * the ABI selected for {@code packagesForUser}. This variant is used when installing or
6885     * updating a package that belongs to a shared user.
6886     *
6887     * NOTE: We currently only match for the primary CPU abi string. Matching the secondary
6888     * adds unnecessary complexity.
6889     */
6890    private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser,
6891            PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) {
6892        String requiredInstructionSet = null;
6893        if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) {
6894            requiredInstructionSet = VMRuntime.getInstructionSet(
6895                     scannedPackage.applicationInfo.primaryCpuAbi);
6896        }
6897
6898        PackageSetting requirer = null;
6899        for (PackageSetting ps : packagesForUser) {
6900            // If packagesForUser contains scannedPackage, we skip it. This will happen
6901            // when scannedPackage is an update of an existing package. Without this check,
6902            // we will never be able to change the ABI of any package belonging to a shared
6903            // user, even if it's compatible with other packages.
6904            if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
6905                if (ps.primaryCpuAbiString == null) {
6906                    continue;
6907                }
6908
6909                final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString);
6910                if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) {
6911                    // We have a mismatch between instruction sets (say arm vs arm64) warn about
6912                    // this but there's not much we can do.
6913                    String errorMessage = "Instruction set mismatch, "
6914                            + ((requirer == null) ? "[caller]" : requirer)
6915                            + " requires " + requiredInstructionSet + " whereas " + ps
6916                            + " requires " + instructionSet;
6917                    Slog.w(TAG, errorMessage);
6918                }
6919
6920                if (requiredInstructionSet == null) {
6921                    requiredInstructionSet = instructionSet;
6922                    requirer = ps;
6923                }
6924            }
6925        }
6926
6927        if (requiredInstructionSet != null) {
6928            String adjustedAbi;
6929            if (requirer != null) {
6930                // requirer != null implies that either scannedPackage was null or that scannedPackage
6931                // did not require an ABI, in which case we have to adjust scannedPackage to match
6932                // the ABI of the set (which is the same as requirer's ABI)
6933                adjustedAbi = requirer.primaryCpuAbiString;
6934                if (scannedPackage != null) {
6935                    scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi;
6936                }
6937            } else {
6938                // requirer == null implies that we're updating all ABIs in the set to
6939                // match scannedPackage.
6940                adjustedAbi =  scannedPackage.applicationInfo.primaryCpuAbi;
6941            }
6942
6943            for (PackageSetting ps : packagesForUser) {
6944                if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
6945                    if (ps.primaryCpuAbiString != null) {
6946                        continue;
6947                    }
6948
6949                    ps.primaryCpuAbiString = adjustedAbi;
6950                    if (ps.pkg != null && ps.pkg.applicationInfo != null) {
6951                        ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi;
6952                        Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi);
6953
6954                        int result = mPackageDexOptimizer.performDexOpt(ps.pkg,
6955                                null /* instruction sets */, forceDexOpt, deferDexOpt, true);
6956                        if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
6957                            ps.primaryCpuAbiString = null;
6958                            ps.pkg.applicationInfo.primaryCpuAbi = null;
6959                            return;
6960                        } else {
6961                            mInstaller.rmdex(ps.codePathString,
6962                                    getDexCodeInstructionSet(getPreferredInstructionSet()));
6963                        }
6964                    }
6965                }
6966            }
6967        }
6968    }
6969
6970    private void setUpCustomResolverActivity(PackageParser.Package pkg) {
6971        synchronized (mPackages) {
6972            mResolverReplaced = true;
6973            // Set up information for custom user intent resolution activity.
6974            mResolveActivity.applicationInfo = pkg.applicationInfo;
6975            mResolveActivity.name = mCustomResolverComponentName.getClassName();
6976            mResolveActivity.packageName = pkg.applicationInfo.packageName;
6977            mResolveActivity.processName = pkg.applicationInfo.packageName;
6978            mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
6979            mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS |
6980                    ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS;
6981            mResolveActivity.theme = 0;
6982            mResolveActivity.exported = true;
6983            mResolveActivity.enabled = true;
6984            mResolveInfo.activityInfo = mResolveActivity;
6985            mResolveInfo.priority = 0;
6986            mResolveInfo.preferredOrder = 0;
6987            mResolveInfo.match = 0;
6988            mResolveComponentName = mCustomResolverComponentName;
6989            Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " +
6990                    mResolveComponentName);
6991        }
6992    }
6993
6994    private static String calculateBundledApkRoot(final String codePathString) {
6995        final File codePath = new File(codePathString);
6996        final File codeRoot;
6997        if (FileUtils.contains(Environment.getRootDirectory(), codePath)) {
6998            codeRoot = Environment.getRootDirectory();
6999        } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) {
7000            codeRoot = Environment.getOemDirectory();
7001        } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) {
7002            codeRoot = Environment.getVendorDirectory();
7003        } else {
7004            // Unrecognized code path; take its top real segment as the apk root:
7005            // e.g. /something/app/blah.apk => /something
7006            try {
7007                File f = codePath.getCanonicalFile();
7008                File parent = f.getParentFile();    // non-null because codePath is a file
7009                File tmp;
7010                while ((tmp = parent.getParentFile()) != null) {
7011                    f = parent;
7012                    parent = tmp;
7013                }
7014                codeRoot = f;
7015                Slog.w(TAG, "Unrecognized code path "
7016                        + codePath + " - using " + codeRoot);
7017            } catch (IOException e) {
7018                // Can't canonicalize the code path -- shenanigans?
7019                Slog.w(TAG, "Can't canonicalize code path " + codePath);
7020                return Environment.getRootDirectory().getPath();
7021            }
7022        }
7023        return codeRoot.getPath();
7024    }
7025
7026    /**
7027     * Derive and set the location of native libraries for the given package,
7028     * which varies depending on where and how the package was installed.
7029     */
7030    private void setNativeLibraryPaths(PackageParser.Package pkg) {
7031        final ApplicationInfo info = pkg.applicationInfo;
7032        final String codePath = pkg.codePath;
7033        final File codeFile = new File(codePath);
7034        final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp();
7035        final boolean asecApp = info.isForwardLocked() || isExternal(info);
7036
7037        info.nativeLibraryRootDir = null;
7038        info.nativeLibraryRootRequiresIsa = false;
7039        info.nativeLibraryDir = null;
7040        info.secondaryNativeLibraryDir = null;
7041
7042        if (isApkFile(codeFile)) {
7043            // Monolithic install
7044            if (bundledApp) {
7045                // If "/system/lib64/apkname" exists, assume that is the per-package
7046                // native library directory to use; otherwise use "/system/lib/apkname".
7047                final String apkRoot = calculateBundledApkRoot(info.sourceDir);
7048                final boolean is64Bit = VMRuntime.is64BitInstructionSet(
7049                        getPrimaryInstructionSet(info));
7050
7051                // This is a bundled system app so choose the path based on the ABI.
7052                // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this
7053                // is just the default path.
7054                final String apkName = deriveCodePathName(codePath);
7055                final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME;
7056                info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir,
7057                        apkName).getAbsolutePath();
7058
7059                if (info.secondaryCpuAbi != null) {
7060                    final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME;
7061                    info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot),
7062                            secondaryLibDir, apkName).getAbsolutePath();
7063                }
7064            } else if (asecApp) {
7065                info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME)
7066                        .getAbsolutePath();
7067            } else {
7068                final String apkName = deriveCodePathName(codePath);
7069                info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName)
7070                        .getAbsolutePath();
7071            }
7072
7073            info.nativeLibraryRootRequiresIsa = false;
7074            info.nativeLibraryDir = info.nativeLibraryRootDir;
7075        } else {
7076            // Cluster install
7077            info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath();
7078            info.nativeLibraryRootRequiresIsa = true;
7079
7080            info.nativeLibraryDir = new File(info.nativeLibraryRootDir,
7081                    getPrimaryInstructionSet(info)).getAbsolutePath();
7082
7083            if (info.secondaryCpuAbi != null) {
7084                info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir,
7085                        VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath();
7086            }
7087        }
7088    }
7089
7090    /**
7091     * Calculate the abis and roots for a bundled app. These can uniquely
7092     * be determined from the contents of the system partition, i.e whether
7093     * it contains 64 or 32 bit shared libraries etc. We do not validate any
7094     * of this information, and instead assume that the system was built
7095     * sensibly.
7096     */
7097    private void setBundledAppAbisAndRoots(PackageParser.Package pkg,
7098                                           PackageSetting pkgSetting) {
7099        final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath());
7100
7101        // If "/system/lib64/apkname" exists, assume that is the per-package
7102        // native library directory to use; otherwise use "/system/lib/apkname".
7103        final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir);
7104        setBundledAppAbi(pkg, apkRoot, apkName);
7105        // pkgSetting might be null during rescan following uninstall of updates
7106        // to a bundled app, so accommodate that possibility.  The settings in
7107        // that case will be established later from the parsed package.
7108        //
7109        // If the settings aren't null, sync them up with what we've just derived.
7110        // note that apkRoot isn't stored in the package settings.
7111        if (pkgSetting != null) {
7112            pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi;
7113            pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi;
7114        }
7115    }
7116
7117    /**
7118     * Deduces the ABI of a bundled app and sets the relevant fields on the
7119     * parsed pkg object.
7120     *
7121     * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem}
7122     *        under which system libraries are installed.
7123     * @param apkName the name of the installed package.
7124     */
7125    private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) {
7126        final File codeFile = new File(pkg.codePath);
7127
7128        final boolean has64BitLibs;
7129        final boolean has32BitLibs;
7130        if (isApkFile(codeFile)) {
7131            // Monolithic install
7132            has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists();
7133            has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists();
7134        } else {
7135            // Cluster install
7136            final File rootDir = new File(codeFile, LIB_DIR_NAME);
7137            if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS)
7138                    && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) {
7139                final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]);
7140                has64BitLibs = (new File(rootDir, isa)).exists();
7141            } else {
7142                has64BitLibs = false;
7143            }
7144            if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS)
7145                    && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) {
7146                final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]);
7147                has32BitLibs = (new File(rootDir, isa)).exists();
7148            } else {
7149                has32BitLibs = false;
7150            }
7151        }
7152
7153        if (has64BitLibs && !has32BitLibs) {
7154            // The package has 64 bit libs, but not 32 bit libs. Its primary
7155            // ABI should be 64 bit. We can safely assume here that the bundled
7156            // native libraries correspond to the most preferred ABI in the list.
7157
7158            pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
7159            pkg.applicationInfo.secondaryCpuAbi = null;
7160        } else if (has32BitLibs && !has64BitLibs) {
7161            // The package has 32 bit libs but not 64 bit libs. Its primary
7162            // ABI should be 32 bit.
7163
7164            pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
7165            pkg.applicationInfo.secondaryCpuAbi = null;
7166        } else if (has32BitLibs && has64BitLibs) {
7167            // The application has both 64 and 32 bit bundled libraries. We check
7168            // here that the app declares multiArch support, and warn if it doesn't.
7169            //
7170            // We will be lenient here and record both ABIs. The primary will be the
7171            // ABI that's higher on the list, i.e, a device that's configured to prefer
7172            // 64 bit apps will see a 64 bit primary ABI,
7173
7174            if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) {
7175                Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch.");
7176            }
7177
7178            if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) {
7179                pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
7180                pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
7181            } else {
7182                pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
7183                pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
7184            }
7185        } else {
7186            pkg.applicationInfo.primaryCpuAbi = null;
7187            pkg.applicationInfo.secondaryCpuAbi = null;
7188        }
7189    }
7190
7191    private void killApplication(String pkgName, int appId, String reason) {
7192        // Request the ActivityManager to kill the process(only for existing packages)
7193        // so that we do not end up in a confused state while the user is still using the older
7194        // version of the application while the new one gets installed.
7195        IActivityManager am = ActivityManagerNative.getDefault();
7196        if (am != null) {
7197            try {
7198                am.killApplicationWithAppId(pkgName, appId, reason);
7199            } catch (RemoteException e) {
7200            }
7201        }
7202    }
7203
7204    void removePackageLI(PackageSetting ps, boolean chatty) {
7205        if (DEBUG_INSTALL) {
7206            if (chatty)
7207                Log.d(TAG, "Removing package " + ps.name);
7208        }
7209
7210        // writer
7211        synchronized (mPackages) {
7212            mPackages.remove(ps.name);
7213            final PackageParser.Package pkg = ps.pkg;
7214            if (pkg != null) {
7215                cleanPackageDataStructuresLILPw(pkg, chatty);
7216            }
7217        }
7218    }
7219
7220    void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) {
7221        if (DEBUG_INSTALL) {
7222            if (chatty)
7223                Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName);
7224        }
7225
7226        // writer
7227        synchronized (mPackages) {
7228            mPackages.remove(pkg.applicationInfo.packageName);
7229            cleanPackageDataStructuresLILPw(pkg, chatty);
7230        }
7231    }
7232
7233    void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) {
7234        int N = pkg.providers.size();
7235        StringBuilder r = null;
7236        int i;
7237        for (i=0; i<N; i++) {
7238            PackageParser.Provider p = pkg.providers.get(i);
7239            mProviders.removeProvider(p);
7240            if (p.info.authority == null) {
7241
7242                /* There was another ContentProvider with this authority when
7243                 * this app was installed so this authority is null,
7244                 * Ignore it as we don't have to unregister the provider.
7245                 */
7246                continue;
7247            }
7248            String names[] = p.info.authority.split(";");
7249            for (int j = 0; j < names.length; j++) {
7250                if (mProvidersByAuthority.get(names[j]) == p) {
7251                    mProvidersByAuthority.remove(names[j]);
7252                    if (DEBUG_REMOVE) {
7253                        if (chatty)
7254                            Log.d(TAG, "Unregistered content provider: " + names[j]
7255                                    + ", className = " + p.info.name + ", isSyncable = "
7256                                    + p.info.isSyncable);
7257                    }
7258                }
7259            }
7260            if (DEBUG_REMOVE && chatty) {
7261                if (r == null) {
7262                    r = new StringBuilder(256);
7263                } else {
7264                    r.append(' ');
7265                }
7266                r.append(p.info.name);
7267            }
7268        }
7269        if (r != null) {
7270            if (DEBUG_REMOVE) Log.d(TAG, "  Providers: " + r);
7271        }
7272
7273        N = pkg.services.size();
7274        r = null;
7275        for (i=0; i<N; i++) {
7276            PackageParser.Service s = pkg.services.get(i);
7277            mServices.removeService(s);
7278            if (chatty) {
7279                if (r == null) {
7280                    r = new StringBuilder(256);
7281                } else {
7282                    r.append(' ');
7283                }
7284                r.append(s.info.name);
7285            }
7286        }
7287        if (r != null) {
7288            if (DEBUG_REMOVE) Log.d(TAG, "  Services: " + r);
7289        }
7290
7291        N = pkg.receivers.size();
7292        r = null;
7293        for (i=0; i<N; i++) {
7294            PackageParser.Activity a = pkg.receivers.get(i);
7295            mReceivers.removeActivity(a, "receiver");
7296            if (DEBUG_REMOVE && chatty) {
7297                if (r == null) {
7298                    r = new StringBuilder(256);
7299                } else {
7300                    r.append(' ');
7301                }
7302                r.append(a.info.name);
7303            }
7304        }
7305        if (r != null) {
7306            if (DEBUG_REMOVE) Log.d(TAG, "  Receivers: " + r);
7307        }
7308
7309        N = pkg.activities.size();
7310        r = null;
7311        for (i=0; i<N; i++) {
7312            PackageParser.Activity a = pkg.activities.get(i);
7313            mActivities.removeActivity(a, "activity");
7314            if (DEBUG_REMOVE && chatty) {
7315                if (r == null) {
7316                    r = new StringBuilder(256);
7317                } else {
7318                    r.append(' ');
7319                }
7320                r.append(a.info.name);
7321            }
7322        }
7323        if (r != null) {
7324            if (DEBUG_REMOVE) Log.d(TAG, "  Activities: " + r);
7325        }
7326
7327        N = pkg.permissions.size();
7328        r = null;
7329        for (i=0; i<N; i++) {
7330            PackageParser.Permission p = pkg.permissions.get(i);
7331            BasePermission bp = mSettings.mPermissions.get(p.info.name);
7332            if (bp == null) {
7333                bp = mSettings.mPermissionTrees.get(p.info.name);
7334            }
7335            if (bp != null && bp.perm == p) {
7336                bp.perm = null;
7337                if (DEBUG_REMOVE && chatty) {
7338                    if (r == null) {
7339                        r = new StringBuilder(256);
7340                    } else {
7341                        r.append(' ');
7342                    }
7343                    r.append(p.info.name);
7344                }
7345            }
7346            if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
7347                ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name);
7348                if (appOpPerms != null) {
7349                    appOpPerms.remove(pkg.packageName);
7350                }
7351            }
7352        }
7353        if (r != null) {
7354            if (DEBUG_REMOVE) Log.d(TAG, "  Permissions: " + r);
7355        }
7356
7357        N = pkg.requestedPermissions.size();
7358        r = null;
7359        for (i=0; i<N; i++) {
7360            String perm = pkg.requestedPermissions.get(i);
7361            BasePermission bp = mSettings.mPermissions.get(perm);
7362            if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
7363                ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm);
7364                if (appOpPerms != null) {
7365                    appOpPerms.remove(pkg.packageName);
7366                    if (appOpPerms.isEmpty()) {
7367                        mAppOpPermissionPackages.remove(perm);
7368                    }
7369                }
7370            }
7371        }
7372        if (r != null) {
7373            if (DEBUG_REMOVE) Log.d(TAG, "  Permissions: " + r);
7374        }
7375
7376        N = pkg.instrumentation.size();
7377        r = null;
7378        for (i=0; i<N; i++) {
7379            PackageParser.Instrumentation a = pkg.instrumentation.get(i);
7380            mInstrumentation.remove(a.getComponentName());
7381            if (DEBUG_REMOVE && chatty) {
7382                if (r == null) {
7383                    r = new StringBuilder(256);
7384                } else {
7385                    r.append(' ');
7386                }
7387                r.append(a.info.name);
7388            }
7389        }
7390        if (r != null) {
7391            if (DEBUG_REMOVE) Log.d(TAG, "  Instrumentation: " + r);
7392        }
7393
7394        r = null;
7395        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
7396            // Only system apps can hold shared libraries.
7397            if (pkg.libraryNames != null) {
7398                for (i=0; i<pkg.libraryNames.size(); i++) {
7399                    String name = pkg.libraryNames.get(i);
7400                    SharedLibraryEntry cur = mSharedLibraries.get(name);
7401                    if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) {
7402                        mSharedLibraries.remove(name);
7403                        if (DEBUG_REMOVE && chatty) {
7404                            if (r == null) {
7405                                r = new StringBuilder(256);
7406                            } else {
7407                                r.append(' ');
7408                            }
7409                            r.append(name);
7410                        }
7411                    }
7412                }
7413            }
7414        }
7415        if (r != null) {
7416            if (DEBUG_REMOVE) Log.d(TAG, "  Libraries: " + r);
7417        }
7418    }
7419
7420    private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) {
7421        for (int i=pkgInfo.permissions.size()-1; i>=0; i--) {
7422            if (pkgInfo.permissions.get(i).info.name.equals(perm)) {
7423                return true;
7424            }
7425        }
7426        return false;
7427    }
7428
7429    static final int UPDATE_PERMISSIONS_ALL = 1<<0;
7430    static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1;
7431    static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2;
7432
7433    private void updatePermissionsLPw(String changingPkg,
7434            PackageParser.Package pkgInfo, int flags) {
7435        // Make sure there are no dangling permission trees.
7436        Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator();
7437        while (it.hasNext()) {
7438            final BasePermission bp = it.next();
7439            if (bp.packageSetting == null) {
7440                // We may not yet have parsed the package, so just see if
7441                // we still know about its settings.
7442                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
7443            }
7444            if (bp.packageSetting == null) {
7445                Slog.w(TAG, "Removing dangling permission tree: " + bp.name
7446                        + " from package " + bp.sourcePackage);
7447                it.remove();
7448            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
7449                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
7450                    Slog.i(TAG, "Removing old permission tree: " + bp.name
7451                            + " from package " + bp.sourcePackage);
7452                    flags |= UPDATE_PERMISSIONS_ALL;
7453                    it.remove();
7454                }
7455            }
7456        }
7457
7458        // Make sure all dynamic permissions have been assigned to a package,
7459        // and make sure there are no dangling permissions.
7460        it = mSettings.mPermissions.values().iterator();
7461        while (it.hasNext()) {
7462            final BasePermission bp = it.next();
7463            if (bp.type == BasePermission.TYPE_DYNAMIC) {
7464                if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name="
7465                        + bp.name + " pkg=" + bp.sourcePackage
7466                        + " info=" + bp.pendingInfo);
7467                if (bp.packageSetting == null && bp.pendingInfo != null) {
7468                    final BasePermission tree = findPermissionTreeLP(bp.name);
7469                    if (tree != null && tree.perm != null) {
7470                        bp.packageSetting = tree.packageSetting;
7471                        bp.perm = new PackageParser.Permission(tree.perm.owner,
7472                                new PermissionInfo(bp.pendingInfo));
7473                        bp.perm.info.packageName = tree.perm.info.packageName;
7474                        bp.perm.info.name = bp.name;
7475                        bp.uid = tree.uid;
7476                    }
7477                }
7478            }
7479            if (bp.packageSetting == null) {
7480                // We may not yet have parsed the package, so just see if
7481                // we still know about its settings.
7482                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
7483            }
7484            if (bp.packageSetting == null) {
7485                Slog.w(TAG, "Removing dangling permission: " + bp.name
7486                        + " from package " + bp.sourcePackage);
7487                it.remove();
7488            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
7489                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
7490                    Slog.i(TAG, "Removing old permission: " + bp.name
7491                            + " from package " + bp.sourcePackage);
7492                    flags |= UPDATE_PERMISSIONS_ALL;
7493                    it.remove();
7494                }
7495            }
7496        }
7497
7498        // Now update the permissions for all packages, in particular
7499        // replace the granted permissions of the system packages.
7500        if ((flags&UPDATE_PERMISSIONS_ALL) != 0) {
7501            for (PackageParser.Package pkg : mPackages.values()) {
7502                if (pkg != pkgInfo) {
7503                    grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0,
7504                            changingPkg);
7505                }
7506            }
7507        }
7508
7509        if (pkgInfo != null) {
7510            grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg);
7511        }
7512    }
7513
7514    private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace,
7515            String packageOfInterest) {
7516        // IMPORTANT: There are two types of permissions: install and runtime.
7517        // Install time permissions are granted when the app is installed to
7518        // all device users and users added in the future. Runtime permissions
7519        // are granted at runtime explicitly to specific users. Normal and signature
7520        // protected permissions are install time permissions. Dangerous permissions
7521        // are install permissions if the app's target SDK is Lollipop MR1 or older,
7522        // otherwise they are runtime permissions. This function does not manage
7523        // runtime permissions except for the case an app targeting Lollipop MR1
7524        // being upgraded to target a newer SDK, in which case dangerous permissions
7525        // are transformed from install time to runtime ones.
7526
7527        final PackageSetting ps = (PackageSetting) pkg.mExtras;
7528        if (ps == null) {
7529            return;
7530        }
7531
7532        PermissionsState permissionsState = ps.getPermissionsState();
7533        PermissionsState origPermissions = permissionsState;
7534
7535        final int[] currentUserIds = UserManagerService.getInstance().getUserIds();
7536
7537        int[] upgradeUserIds = PermissionsState.USERS_NONE;
7538        int[] changedRuntimePermissionUserIds = PermissionsState.USERS_NONE;
7539
7540        boolean changedInstallPermission = false;
7541
7542        if (replace) {
7543            ps.installPermissionsFixed = false;
7544            if (!ps.isSharedUser()) {
7545                origPermissions = new PermissionsState(permissionsState);
7546                permissionsState.reset();
7547            }
7548        }
7549
7550        permissionsState.setGlobalGids(mGlobalGids);
7551
7552        final int N = pkg.requestedPermissions.size();
7553        for (int i=0; i<N; i++) {
7554            final String name = pkg.requestedPermissions.get(i);
7555            final BasePermission bp = mSettings.mPermissions.get(name);
7556
7557            if (DEBUG_INSTALL) {
7558                Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp);
7559            }
7560
7561            if (bp == null || bp.packageSetting == null) {
7562                if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) {
7563                    Slog.w(TAG, "Unknown permission " + name
7564                            + " in package " + pkg.packageName);
7565                }
7566                continue;
7567            }
7568
7569            final String perm = bp.name;
7570            boolean allowedSig = false;
7571            int grant = GRANT_DENIED;
7572
7573            // Keep track of app op permissions.
7574            if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) {
7575                ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name);
7576                if (pkgs == null) {
7577                    pkgs = new ArraySet<>();
7578                    mAppOpPermissionPackages.put(bp.name, pkgs);
7579                }
7580                pkgs.add(pkg.packageName);
7581            }
7582
7583            final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE;
7584            switch (level) {
7585                case PermissionInfo.PROTECTION_NORMAL: {
7586                    // For all apps normal permissions are install time ones.
7587                    grant = GRANT_INSTALL;
7588                } break;
7589
7590                case PermissionInfo.PROTECTION_DANGEROUS: {
7591                    if (!RUNTIME_PERMISSIONS_ENABLED
7592                            || pkg.applicationInfo.targetSdkVersion
7593                                    <= Build.VERSION_CODES.LOLLIPOP_MR1) {
7594                        // For legacy apps dangerous permissions are install time ones.
7595                        grant = GRANT_INSTALL;
7596                    } else if (ps.isSystem()) {
7597                        final int[] updatedUserIds = ps.getPermissionsUpdatedForUserIds();
7598                        if (origPermissions.hasInstallPermission(bp.name)) {
7599                            // If a system app had an install permission, then the app was
7600                            // upgraded and we grant the permissions as runtime to all users.
7601                            grant = GRANT_UPGRADE;
7602                            upgradeUserIds = currentUserIds;
7603                        } else if (!Arrays.equals(updatedUserIds, currentUserIds)) {
7604                            // If users changed since the last permissions update for a
7605                            // system app, we grant the permission as runtime to the new users.
7606                            grant = GRANT_UPGRADE;
7607                            upgradeUserIds = currentUserIds;
7608                            for (int userId : updatedUserIds) {
7609                                upgradeUserIds = ArrayUtils.removeInt(upgradeUserIds, userId);
7610                            }
7611                        } else {
7612                            // Otherwise, we grant the permission as runtime if the app
7613                            // already had it, i.e. we preserve runtime permissions.
7614                            grant = GRANT_RUNTIME;
7615                        }
7616                    } else if (origPermissions.hasInstallPermission(bp.name)) {
7617                        // For legacy apps that became modern, install becomes runtime.
7618                        grant = GRANT_UPGRADE;
7619                        upgradeUserIds = currentUserIds;
7620                    } else if (replace) {
7621                        // For upgraded modern apps keep runtime permissions unchanged.
7622                        grant = GRANT_RUNTIME;
7623                    }
7624                } break;
7625
7626                case PermissionInfo.PROTECTION_SIGNATURE: {
7627                    // For all apps signature permissions are install time ones.
7628                    allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions);
7629                    if (allowedSig) {
7630                        grant = GRANT_INSTALL;
7631                    }
7632                } break;
7633            }
7634
7635            if (DEBUG_INSTALL) {
7636                Log.i(TAG, "Package " + pkg.packageName + " granting " + perm);
7637            }
7638
7639            if (grant != GRANT_DENIED) {
7640                if (!isSystemApp(ps) && ps.installPermissionsFixed) {
7641                    // If this is an existing, non-system package, then
7642                    // we can't add any new permissions to it.
7643                    if (!allowedSig && !origPermissions.hasInstallPermission(perm)) {
7644                        // Except...  if this is a permission that was added
7645                        // to the platform (note: need to only do this when
7646                        // updating the platform).
7647                        if (!isNewPlatformPermissionForPackage(perm, pkg)) {
7648                            grant = GRANT_DENIED;
7649                        }
7650                    }
7651                }
7652
7653                switch (grant) {
7654                    case GRANT_INSTALL: {
7655                        // Grant an install permission.
7656                        if (permissionsState.grantInstallPermission(bp) !=
7657                                PermissionsState.PERMISSION_OPERATION_FAILURE) {
7658                            changedInstallPermission = true;
7659                        }
7660                    } break;
7661
7662                    case GRANT_RUNTIME: {
7663                        // Grant previously granted runtime permissions.
7664                        for (int userId : UserManagerService.getInstance().getUserIds()) {
7665                            if (origPermissions.hasRuntimePermission(bp.name, userId)) {
7666                                if (permissionsState.grantRuntimePermission(bp, userId) ==
7667                                        PermissionsState.PERMISSION_OPERATION_FAILURE) {
7668                                    // If we cannot put the permission as it was, we have to write.
7669                                    changedRuntimePermissionUserIds = ArrayUtils.appendInt(
7670                                            changedRuntimePermissionUserIds, userId);
7671                                }
7672                            }
7673                        }
7674                    } break;
7675
7676                    case GRANT_UPGRADE: {
7677                        // Grant runtime permissions for a previously held install permission.
7678                        permissionsState.revokeInstallPermission(bp);
7679                        for (int userId : upgradeUserIds) {
7680                            if (permissionsState.grantRuntimePermission(bp, userId) !=
7681                                    PermissionsState.PERMISSION_OPERATION_FAILURE) {
7682                                // If we granted the permission, we have to write.
7683                                changedRuntimePermissionUserIds = ArrayUtils.appendInt(
7684                                        changedRuntimePermissionUserIds, userId);
7685                            }
7686                        }
7687                    } break;
7688
7689                    default: {
7690                        if (packageOfInterest == null
7691                                || packageOfInterest.equals(pkg.packageName)) {
7692                            Slog.w(TAG, "Not granting permission " + perm
7693                                    + " to package " + pkg.packageName
7694                                    + " because it was previously installed without");
7695                        }
7696                    } break;
7697                }
7698            } else {
7699                if (permissionsState.revokeInstallPermission(bp) !=
7700                        PermissionsState.PERMISSION_OPERATION_FAILURE) {
7701                    changedInstallPermission = true;
7702                    Slog.i(TAG, "Un-granting permission " + perm
7703                            + " from package " + pkg.packageName
7704                            + " (protectionLevel=" + bp.protectionLevel
7705                            + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
7706                            + ")");
7707                } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) {
7708                    // Don't print warning for app op permissions, since it is fine for them
7709                    // not to be granted, there is a UI for the user to decide.
7710                    if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) {
7711                        Slog.w(TAG, "Not granting permission " + perm
7712                                + " to package " + pkg.packageName
7713                                + " (protectionLevel=" + bp.protectionLevel
7714                                + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
7715                                + ")");
7716                    }
7717                }
7718            }
7719        }
7720
7721        if ((changedInstallPermission || replace) && !ps.installPermissionsFixed &&
7722                !isSystemApp(ps) || isUpdatedSystemApp(ps)){
7723            // This is the first that we have heard about this package, so the
7724            // permissions we have now selected are fixed until explicitly
7725            // changed.
7726            ps.installPermissionsFixed = true;
7727        }
7728
7729        ps.setPermissionsUpdatedForUserIds(currentUserIds);
7730
7731        // Persist the runtime permissions state for users with changes.
7732        if (RUNTIME_PERMISSIONS_ENABLED) {
7733            for (int userId : changedRuntimePermissionUserIds) {
7734                mSettings.writeRuntimePermissionsForUserLPr(userId, true);
7735            }
7736        }
7737    }
7738
7739    private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) {
7740        boolean allowed = false;
7741        final int NP = PackageParser.NEW_PERMISSIONS.length;
7742        for (int ip=0; ip<NP; ip++) {
7743            final PackageParser.NewPermissionInfo npi
7744                    = PackageParser.NEW_PERMISSIONS[ip];
7745            if (npi.name.equals(perm)
7746                    && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) {
7747                allowed = true;
7748                Log.i(TAG, "Auto-granting " + perm + " to old pkg "
7749                        + pkg.packageName);
7750                break;
7751            }
7752        }
7753        return allowed;
7754    }
7755
7756    private boolean grantSignaturePermission(String perm, PackageParser.Package pkg,
7757            BasePermission bp, PermissionsState origPermissions) {
7758        boolean allowed;
7759        allowed = (compareSignatures(
7760                bp.packageSetting.signatures.mSignatures, pkg.mSignatures)
7761                        == PackageManager.SIGNATURE_MATCH)
7762                || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures)
7763                        == PackageManager.SIGNATURE_MATCH);
7764        if (!allowed && (bp.protectionLevel
7765                & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) {
7766            if (isSystemApp(pkg)) {
7767                // For updated system applications, a system permission
7768                // is granted only if it had been defined by the original application.
7769                if (pkg.isUpdatedSystemApp()) {
7770                    final PackageSetting sysPs = mSettings
7771                            .getDisabledSystemPkgLPr(pkg.packageName);
7772                    if (sysPs.getPermissionsState().hasInstallPermission(perm)) {
7773                        // If the original was granted this permission, we take
7774                        // that grant decision as read and propagate it to the
7775                        // update.
7776                        if (sysPs.isPrivileged()) {
7777                            allowed = true;
7778                        }
7779                    } else {
7780                        // The system apk may have been updated with an older
7781                        // version of the one on the data partition, but which
7782                        // granted a new system permission that it didn't have
7783                        // before.  In this case we do want to allow the app to
7784                        // now get the new permission if the ancestral apk is
7785                        // privileged to get it.
7786                        if (sysPs.pkg != null && sysPs.isPrivileged()) {
7787                            for (int j=0;
7788                                    j<sysPs.pkg.requestedPermissions.size(); j++) {
7789                                if (perm.equals(
7790                                        sysPs.pkg.requestedPermissions.get(j))) {
7791                                    allowed = true;
7792                                    break;
7793                                }
7794                            }
7795                        }
7796                    }
7797                } else {
7798                    allowed = isPrivilegedApp(pkg);
7799                }
7800            }
7801        }
7802        if (!allowed && (bp.protectionLevel
7803                & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) {
7804            // For development permissions, a development permission
7805            // is granted only if it was already granted.
7806            allowed = origPermissions.hasInstallPermission(perm);
7807        }
7808        return allowed;
7809    }
7810
7811    final class ActivityIntentResolver
7812            extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> {
7813        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
7814                boolean defaultOnly, int userId) {
7815            if (!sUserManager.exists(userId)) return null;
7816            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
7817            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
7818        }
7819
7820        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
7821                int userId) {
7822            if (!sUserManager.exists(userId)) return null;
7823            mFlags = flags;
7824            return super.queryIntent(intent, resolvedType,
7825                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
7826        }
7827
7828        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
7829                int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) {
7830            if (!sUserManager.exists(userId)) return null;
7831            if (packageActivities == null) {
7832                return null;
7833            }
7834            mFlags = flags;
7835            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
7836            final int N = packageActivities.size();
7837            ArrayList<PackageParser.ActivityIntentInfo[]> listCut =
7838                new ArrayList<PackageParser.ActivityIntentInfo[]>(N);
7839
7840            ArrayList<PackageParser.ActivityIntentInfo> intentFilters;
7841            for (int i = 0; i < N; ++i) {
7842                intentFilters = packageActivities.get(i).intents;
7843                if (intentFilters != null && intentFilters.size() > 0) {
7844                    PackageParser.ActivityIntentInfo[] array =
7845                            new PackageParser.ActivityIntentInfo[intentFilters.size()];
7846                    intentFilters.toArray(array);
7847                    listCut.add(array);
7848                }
7849            }
7850            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
7851        }
7852
7853        public final void addActivity(PackageParser.Activity a, String type) {
7854            final boolean systemApp = a.info.applicationInfo.isSystemApp();
7855            mActivities.put(a.getComponentName(), a);
7856            if (DEBUG_SHOW_INFO)
7857                Log.v(
7858                TAG, "  " + type + " " +
7859                (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":");
7860            if (DEBUG_SHOW_INFO)
7861                Log.v(TAG, "    Class=" + a.info.name);
7862            final int NI = a.intents.size();
7863            for (int j=0; j<NI; j++) {
7864                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
7865                if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) {
7866                    intent.setPriority(0);
7867                    Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity "
7868                            + a.className + " with priority > 0, forcing to 0");
7869                }
7870                if (DEBUG_SHOW_INFO) {
7871                    Log.v(TAG, "    IntentFilter:");
7872                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7873                }
7874                if (!intent.debugCheck()) {
7875                    Log.w(TAG, "==> For Activity " + a.info.name);
7876                }
7877                addFilter(intent);
7878            }
7879        }
7880
7881        public final void removeActivity(PackageParser.Activity a, String type) {
7882            mActivities.remove(a.getComponentName());
7883            if (DEBUG_SHOW_INFO) {
7884                Log.v(TAG, "  " + type + " "
7885                        + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel
7886                                : a.info.name) + ":");
7887                Log.v(TAG, "    Class=" + a.info.name);
7888            }
7889            final int NI = a.intents.size();
7890            for (int j=0; j<NI; j++) {
7891                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
7892                if (DEBUG_SHOW_INFO) {
7893                    Log.v(TAG, "    IntentFilter:");
7894                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7895                }
7896                removeFilter(intent);
7897            }
7898        }
7899
7900        @Override
7901        protected boolean allowFilterResult(
7902                PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) {
7903            ActivityInfo filterAi = filter.activity.info;
7904            for (int i=dest.size()-1; i>=0; i--) {
7905                ActivityInfo destAi = dest.get(i).activityInfo;
7906                if (destAi.name == filterAi.name
7907                        && destAi.packageName == filterAi.packageName) {
7908                    return false;
7909                }
7910            }
7911            return true;
7912        }
7913
7914        @Override
7915        protected ActivityIntentInfo[] newArray(int size) {
7916            return new ActivityIntentInfo[size];
7917        }
7918
7919        @Override
7920        protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) {
7921            if (!sUserManager.exists(userId)) return true;
7922            PackageParser.Package p = filter.activity.owner;
7923            if (p != null) {
7924                PackageSetting ps = (PackageSetting)p.mExtras;
7925                if (ps != null) {
7926                    // System apps are never considered stopped for purposes of
7927                    // filtering, because there may be no way for the user to
7928                    // actually re-launch them.
7929                    return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0
7930                            && ps.getStopped(userId);
7931                }
7932            }
7933            return false;
7934        }
7935
7936        @Override
7937        protected boolean isPackageForFilter(String packageName,
7938                PackageParser.ActivityIntentInfo info) {
7939            return packageName.equals(info.activity.owner.packageName);
7940        }
7941
7942        @Override
7943        protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info,
7944                int match, int userId) {
7945            if (!sUserManager.exists(userId)) return null;
7946            if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) {
7947                return null;
7948            }
7949            final PackageParser.Activity activity = info.activity;
7950            if (mSafeMode && (activity.info.applicationInfo.flags
7951                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
7952                return null;
7953            }
7954            PackageSetting ps = (PackageSetting) activity.owner.mExtras;
7955            if (ps == null) {
7956                return null;
7957            }
7958            ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags,
7959                    ps.readUserState(userId), userId);
7960            if (ai == null) {
7961                return null;
7962            }
7963            final ResolveInfo res = new ResolveInfo();
7964            res.activityInfo = ai;
7965            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
7966                res.filter = info;
7967            }
7968            if (info != null) {
7969                res.handleAllWebDataURI = info.handleAllWebDataURI();
7970            }
7971            res.priority = info.getPriority();
7972            res.preferredOrder = activity.owner.mPreferredOrder;
7973            //System.out.println("Result: " + res.activityInfo.className +
7974            //                   " = " + res.priority);
7975            res.match = match;
7976            res.isDefault = info.hasDefault;
7977            res.labelRes = info.labelRes;
7978            res.nonLocalizedLabel = info.nonLocalizedLabel;
7979            if (userNeedsBadging(userId)) {
7980                res.noResourceId = true;
7981            } else {
7982                res.icon = info.icon;
7983            }
7984            res.system = res.activityInfo.applicationInfo.isSystemApp();
7985            return res;
7986        }
7987
7988        @Override
7989        protected void sortResults(List<ResolveInfo> results) {
7990            Collections.sort(results, mResolvePrioritySorter);
7991        }
7992
7993        @Override
7994        protected void dumpFilter(PrintWriter out, String prefix,
7995                PackageParser.ActivityIntentInfo filter) {
7996            out.print(prefix); out.print(
7997                    Integer.toHexString(System.identityHashCode(filter.activity)));
7998                    out.print(' ');
7999                    filter.activity.printComponentShortName(out);
8000                    out.print(" filter ");
8001                    out.println(Integer.toHexString(System.identityHashCode(filter)));
8002        }
8003
8004        @Override
8005        protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) {
8006            return filter.activity;
8007        }
8008
8009        protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) {
8010            PackageParser.Activity activity = (PackageParser.Activity)label;
8011            out.print(prefix); out.print(
8012                    Integer.toHexString(System.identityHashCode(activity)));
8013                    out.print(' ');
8014                    activity.printComponentShortName(out);
8015            if (count > 1) {
8016                out.print(" ("); out.print(count); out.print(" filters)");
8017            }
8018            out.println();
8019        }
8020
8021//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
8022//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
8023//            final List<ResolveInfo> retList = Lists.newArrayList();
8024//            while (i.hasNext()) {
8025//                final ResolveInfo resolveInfo = i.next();
8026//                if (isEnabledLP(resolveInfo.activityInfo)) {
8027//                    retList.add(resolveInfo);
8028//                }
8029//            }
8030//            return retList;
8031//        }
8032
8033        // Keys are String (activity class name), values are Activity.
8034        private final ArrayMap<ComponentName, PackageParser.Activity> mActivities
8035                = new ArrayMap<ComponentName, PackageParser.Activity>();
8036        private int mFlags;
8037    }
8038
8039    private final class ServiceIntentResolver
8040            extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> {
8041        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
8042                boolean defaultOnly, int userId) {
8043            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
8044            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
8045        }
8046
8047        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
8048                int userId) {
8049            if (!sUserManager.exists(userId)) return null;
8050            mFlags = flags;
8051            return super.queryIntent(intent, resolvedType,
8052                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
8053        }
8054
8055        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
8056                int flags, ArrayList<PackageParser.Service> packageServices, int userId) {
8057            if (!sUserManager.exists(userId)) return null;
8058            if (packageServices == null) {
8059                return null;
8060            }
8061            mFlags = flags;
8062            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
8063            final int N = packageServices.size();
8064            ArrayList<PackageParser.ServiceIntentInfo[]> listCut =
8065                new ArrayList<PackageParser.ServiceIntentInfo[]>(N);
8066
8067            ArrayList<PackageParser.ServiceIntentInfo> intentFilters;
8068            for (int i = 0; i < N; ++i) {
8069                intentFilters = packageServices.get(i).intents;
8070                if (intentFilters != null && intentFilters.size() > 0) {
8071                    PackageParser.ServiceIntentInfo[] array =
8072                            new PackageParser.ServiceIntentInfo[intentFilters.size()];
8073                    intentFilters.toArray(array);
8074                    listCut.add(array);
8075                }
8076            }
8077            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
8078        }
8079
8080        public final void addService(PackageParser.Service s) {
8081            mServices.put(s.getComponentName(), s);
8082            if (DEBUG_SHOW_INFO) {
8083                Log.v(TAG, "  "
8084                        + (s.info.nonLocalizedLabel != null
8085                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
8086                Log.v(TAG, "    Class=" + s.info.name);
8087            }
8088            final int NI = s.intents.size();
8089            int j;
8090            for (j=0; j<NI; j++) {
8091                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
8092                if (DEBUG_SHOW_INFO) {
8093                    Log.v(TAG, "    IntentFilter:");
8094                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
8095                }
8096                if (!intent.debugCheck()) {
8097                    Log.w(TAG, "==> For Service " + s.info.name);
8098                }
8099                addFilter(intent);
8100            }
8101        }
8102
8103        public final void removeService(PackageParser.Service s) {
8104            mServices.remove(s.getComponentName());
8105            if (DEBUG_SHOW_INFO) {
8106                Log.v(TAG, "  " + (s.info.nonLocalizedLabel != null
8107                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
8108                Log.v(TAG, "    Class=" + s.info.name);
8109            }
8110            final int NI = s.intents.size();
8111            int j;
8112            for (j=0; j<NI; j++) {
8113                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
8114                if (DEBUG_SHOW_INFO) {
8115                    Log.v(TAG, "    IntentFilter:");
8116                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
8117                }
8118                removeFilter(intent);
8119            }
8120        }
8121
8122        @Override
8123        protected boolean allowFilterResult(
8124                PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) {
8125            ServiceInfo filterSi = filter.service.info;
8126            for (int i=dest.size()-1; i>=0; i--) {
8127                ServiceInfo destAi = dest.get(i).serviceInfo;
8128                if (destAi.name == filterSi.name
8129                        && destAi.packageName == filterSi.packageName) {
8130                    return false;
8131                }
8132            }
8133            return true;
8134        }
8135
8136        @Override
8137        protected PackageParser.ServiceIntentInfo[] newArray(int size) {
8138            return new PackageParser.ServiceIntentInfo[size];
8139        }
8140
8141        @Override
8142        protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) {
8143            if (!sUserManager.exists(userId)) return true;
8144            PackageParser.Package p = filter.service.owner;
8145            if (p != null) {
8146                PackageSetting ps = (PackageSetting)p.mExtras;
8147                if (ps != null) {
8148                    // System apps are never considered stopped for purposes of
8149                    // filtering, because there may be no way for the user to
8150                    // actually re-launch them.
8151                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
8152                            && ps.getStopped(userId);
8153                }
8154            }
8155            return false;
8156        }
8157
8158        @Override
8159        protected boolean isPackageForFilter(String packageName,
8160                PackageParser.ServiceIntentInfo info) {
8161            return packageName.equals(info.service.owner.packageName);
8162        }
8163
8164        @Override
8165        protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter,
8166                int match, int userId) {
8167            if (!sUserManager.exists(userId)) return null;
8168            final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter;
8169            if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) {
8170                return null;
8171            }
8172            final PackageParser.Service service = info.service;
8173            if (mSafeMode && (service.info.applicationInfo.flags
8174                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
8175                return null;
8176            }
8177            PackageSetting ps = (PackageSetting) service.owner.mExtras;
8178            if (ps == null) {
8179                return null;
8180            }
8181            ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags,
8182                    ps.readUserState(userId), userId);
8183            if (si == null) {
8184                return null;
8185            }
8186            final ResolveInfo res = new ResolveInfo();
8187            res.serviceInfo = si;
8188            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
8189                res.filter = filter;
8190            }
8191            res.priority = info.getPriority();
8192            res.preferredOrder = service.owner.mPreferredOrder;
8193            res.match = match;
8194            res.isDefault = info.hasDefault;
8195            res.labelRes = info.labelRes;
8196            res.nonLocalizedLabel = info.nonLocalizedLabel;
8197            res.icon = info.icon;
8198            res.system = res.serviceInfo.applicationInfo.isSystemApp();
8199            return res;
8200        }
8201
8202        @Override
8203        protected void sortResults(List<ResolveInfo> results) {
8204            Collections.sort(results, mResolvePrioritySorter);
8205        }
8206
8207        @Override
8208        protected void dumpFilter(PrintWriter out, String prefix,
8209                PackageParser.ServiceIntentInfo filter) {
8210            out.print(prefix); out.print(
8211                    Integer.toHexString(System.identityHashCode(filter.service)));
8212                    out.print(' ');
8213                    filter.service.printComponentShortName(out);
8214                    out.print(" filter ");
8215                    out.println(Integer.toHexString(System.identityHashCode(filter)));
8216        }
8217
8218        @Override
8219        protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) {
8220            return filter.service;
8221        }
8222
8223        protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) {
8224            PackageParser.Service service = (PackageParser.Service)label;
8225            out.print(prefix); out.print(
8226                    Integer.toHexString(System.identityHashCode(service)));
8227                    out.print(' ');
8228                    service.printComponentShortName(out);
8229            if (count > 1) {
8230                out.print(" ("); out.print(count); out.print(" filters)");
8231            }
8232            out.println();
8233        }
8234
8235//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
8236//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
8237//            final List<ResolveInfo> retList = Lists.newArrayList();
8238//            while (i.hasNext()) {
8239//                final ResolveInfo resolveInfo = (ResolveInfo) i;
8240//                if (isEnabledLP(resolveInfo.serviceInfo)) {
8241//                    retList.add(resolveInfo);
8242//                }
8243//            }
8244//            return retList;
8245//        }
8246
8247        // Keys are String (activity class name), values are Activity.
8248        private final ArrayMap<ComponentName, PackageParser.Service> mServices
8249                = new ArrayMap<ComponentName, PackageParser.Service>();
8250        private int mFlags;
8251    };
8252
8253    private final class ProviderIntentResolver
8254            extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> {
8255        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
8256                boolean defaultOnly, int userId) {
8257            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
8258            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
8259        }
8260
8261        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
8262                int userId) {
8263            if (!sUserManager.exists(userId))
8264                return null;
8265            mFlags = flags;
8266            return super.queryIntent(intent, resolvedType,
8267                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
8268        }
8269
8270        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
8271                int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) {
8272            if (!sUserManager.exists(userId))
8273                return null;
8274            if (packageProviders == null) {
8275                return null;
8276            }
8277            mFlags = flags;
8278            final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0;
8279            final int N = packageProviders.size();
8280            ArrayList<PackageParser.ProviderIntentInfo[]> listCut =
8281                    new ArrayList<PackageParser.ProviderIntentInfo[]>(N);
8282
8283            ArrayList<PackageParser.ProviderIntentInfo> intentFilters;
8284            for (int i = 0; i < N; ++i) {
8285                intentFilters = packageProviders.get(i).intents;
8286                if (intentFilters != null && intentFilters.size() > 0) {
8287                    PackageParser.ProviderIntentInfo[] array =
8288                            new PackageParser.ProviderIntentInfo[intentFilters.size()];
8289                    intentFilters.toArray(array);
8290                    listCut.add(array);
8291                }
8292            }
8293            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
8294        }
8295
8296        public final void addProvider(PackageParser.Provider p) {
8297            if (mProviders.containsKey(p.getComponentName())) {
8298                Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring");
8299                return;
8300            }
8301
8302            mProviders.put(p.getComponentName(), p);
8303            if (DEBUG_SHOW_INFO) {
8304                Log.v(TAG, "  "
8305                        + (p.info.nonLocalizedLabel != null
8306                                ? p.info.nonLocalizedLabel : p.info.name) + ":");
8307                Log.v(TAG, "    Class=" + p.info.name);
8308            }
8309            final int NI = p.intents.size();
8310            int j;
8311            for (j = 0; j < NI; j++) {
8312                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
8313                if (DEBUG_SHOW_INFO) {
8314                    Log.v(TAG, "    IntentFilter:");
8315                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
8316                }
8317                if (!intent.debugCheck()) {
8318                    Log.w(TAG, "==> For Provider " + p.info.name);
8319                }
8320                addFilter(intent);
8321            }
8322        }
8323
8324        public final void removeProvider(PackageParser.Provider p) {
8325            mProviders.remove(p.getComponentName());
8326            if (DEBUG_SHOW_INFO) {
8327                Log.v(TAG, "  " + (p.info.nonLocalizedLabel != null
8328                        ? p.info.nonLocalizedLabel : p.info.name) + ":");
8329                Log.v(TAG, "    Class=" + p.info.name);
8330            }
8331            final int NI = p.intents.size();
8332            int j;
8333            for (j = 0; j < NI; j++) {
8334                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
8335                if (DEBUG_SHOW_INFO) {
8336                    Log.v(TAG, "    IntentFilter:");
8337                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
8338                }
8339                removeFilter(intent);
8340            }
8341        }
8342
8343        @Override
8344        protected boolean allowFilterResult(
8345                PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) {
8346            ProviderInfo filterPi = filter.provider.info;
8347            for (int i = dest.size() - 1; i >= 0; i--) {
8348                ProviderInfo destPi = dest.get(i).providerInfo;
8349                if (destPi.name == filterPi.name
8350                        && destPi.packageName == filterPi.packageName) {
8351                    return false;
8352                }
8353            }
8354            return true;
8355        }
8356
8357        @Override
8358        protected PackageParser.ProviderIntentInfo[] newArray(int size) {
8359            return new PackageParser.ProviderIntentInfo[size];
8360        }
8361
8362        @Override
8363        protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) {
8364            if (!sUserManager.exists(userId))
8365                return true;
8366            PackageParser.Package p = filter.provider.owner;
8367            if (p != null) {
8368                PackageSetting ps = (PackageSetting) p.mExtras;
8369                if (ps != null) {
8370                    // System apps are never considered stopped for purposes of
8371                    // filtering, because there may be no way for the user to
8372                    // actually re-launch them.
8373                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
8374                            && ps.getStopped(userId);
8375                }
8376            }
8377            return false;
8378        }
8379
8380        @Override
8381        protected boolean isPackageForFilter(String packageName,
8382                PackageParser.ProviderIntentInfo info) {
8383            return packageName.equals(info.provider.owner.packageName);
8384        }
8385
8386        @Override
8387        protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter,
8388                int match, int userId) {
8389            if (!sUserManager.exists(userId))
8390                return null;
8391            final PackageParser.ProviderIntentInfo info = filter;
8392            if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) {
8393                return null;
8394            }
8395            final PackageParser.Provider provider = info.provider;
8396            if (mSafeMode && (provider.info.applicationInfo.flags
8397                    & ApplicationInfo.FLAG_SYSTEM) == 0) {
8398                return null;
8399            }
8400            PackageSetting ps = (PackageSetting) provider.owner.mExtras;
8401            if (ps == null) {
8402                return null;
8403            }
8404            ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags,
8405                    ps.readUserState(userId), userId);
8406            if (pi == null) {
8407                return null;
8408            }
8409            final ResolveInfo res = new ResolveInfo();
8410            res.providerInfo = pi;
8411            if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) {
8412                res.filter = filter;
8413            }
8414            res.priority = info.getPriority();
8415            res.preferredOrder = provider.owner.mPreferredOrder;
8416            res.match = match;
8417            res.isDefault = info.hasDefault;
8418            res.labelRes = info.labelRes;
8419            res.nonLocalizedLabel = info.nonLocalizedLabel;
8420            res.icon = info.icon;
8421            res.system = res.providerInfo.applicationInfo.isSystemApp();
8422            return res;
8423        }
8424
8425        @Override
8426        protected void sortResults(List<ResolveInfo> results) {
8427            Collections.sort(results, mResolvePrioritySorter);
8428        }
8429
8430        @Override
8431        protected void dumpFilter(PrintWriter out, String prefix,
8432                PackageParser.ProviderIntentInfo filter) {
8433            out.print(prefix);
8434            out.print(
8435                    Integer.toHexString(System.identityHashCode(filter.provider)));
8436            out.print(' ');
8437            filter.provider.printComponentShortName(out);
8438            out.print(" filter ");
8439            out.println(Integer.toHexString(System.identityHashCode(filter)));
8440        }
8441
8442        @Override
8443        protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) {
8444            return filter.provider;
8445        }
8446
8447        protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) {
8448            PackageParser.Provider provider = (PackageParser.Provider)label;
8449            out.print(prefix); out.print(
8450                    Integer.toHexString(System.identityHashCode(provider)));
8451                    out.print(' ');
8452                    provider.printComponentShortName(out);
8453            if (count > 1) {
8454                out.print(" ("); out.print(count); out.print(" filters)");
8455            }
8456            out.println();
8457        }
8458
8459        private final ArrayMap<ComponentName, PackageParser.Provider> mProviders
8460                = new ArrayMap<ComponentName, PackageParser.Provider>();
8461        private int mFlags;
8462    };
8463
8464    private static final Comparator<ResolveInfo> mResolvePrioritySorter =
8465            new Comparator<ResolveInfo>() {
8466        public int compare(ResolveInfo r1, ResolveInfo r2) {
8467            int v1 = r1.priority;
8468            int v2 = r2.priority;
8469            //System.out.println("Comparing: q1=" + q1 + " q2=" + q2);
8470            if (v1 != v2) {
8471                return (v1 > v2) ? -1 : 1;
8472            }
8473            v1 = r1.preferredOrder;
8474            v2 = r2.preferredOrder;
8475            if (v1 != v2) {
8476                return (v1 > v2) ? -1 : 1;
8477            }
8478            if (r1.isDefault != r2.isDefault) {
8479                return r1.isDefault ? -1 : 1;
8480            }
8481            v1 = r1.match;
8482            v2 = r2.match;
8483            //System.out.println("Comparing: m1=" + m1 + " m2=" + m2);
8484            if (v1 != v2) {
8485                return (v1 > v2) ? -1 : 1;
8486            }
8487            if (r1.system != r2.system) {
8488                return r1.system ? -1 : 1;
8489            }
8490            return 0;
8491        }
8492    };
8493
8494    private static final Comparator<ProviderInfo> mProviderInitOrderSorter =
8495            new Comparator<ProviderInfo>() {
8496        public int compare(ProviderInfo p1, ProviderInfo p2) {
8497            final int v1 = p1.initOrder;
8498            final int v2 = p2.initOrder;
8499            return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0);
8500        }
8501    };
8502
8503    final void sendPackageBroadcast(final String action, final String pkg,
8504            final Bundle extras, final String targetPkg, final IIntentReceiver finishedReceiver,
8505            final int[] userIds) {
8506        mHandler.post(new Runnable() {
8507            @Override
8508            public void run() {
8509                try {
8510                    final IActivityManager am = ActivityManagerNative.getDefault();
8511                    if (am == null) return;
8512                    final int[] resolvedUserIds;
8513                    if (userIds == null) {
8514                        resolvedUserIds = am.getRunningUserIds();
8515                    } else {
8516                        resolvedUserIds = userIds;
8517                    }
8518                    for (int id : resolvedUserIds) {
8519                        final Intent intent = new Intent(action,
8520                                pkg != null ? Uri.fromParts("package", pkg, null) : null);
8521                        if (extras != null) {
8522                            intent.putExtras(extras);
8523                        }
8524                        if (targetPkg != null) {
8525                            intent.setPackage(targetPkg);
8526                        }
8527                        // Modify the UID when posting to other users
8528                        int uid = intent.getIntExtra(Intent.EXTRA_UID, -1);
8529                        if (uid > 0 && UserHandle.getUserId(uid) != id) {
8530                            uid = UserHandle.getUid(id, UserHandle.getAppId(uid));
8531                            intent.putExtra(Intent.EXTRA_UID, uid);
8532                        }
8533                        intent.putExtra(Intent.EXTRA_USER_HANDLE, id);
8534                        intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
8535                        if (DEBUG_BROADCASTS) {
8536                            RuntimeException here = new RuntimeException("here");
8537                            here.fillInStackTrace();
8538                            Slog.d(TAG, "Sending to user " + id + ": "
8539                                    + intent.toShortString(false, true, false, false)
8540                                    + " " + intent.getExtras(), here);
8541                        }
8542                        am.broadcastIntent(null, intent, null, finishedReceiver,
8543                                0, null, null, null, android.app.AppOpsManager.OP_NONE,
8544                                finishedReceiver != null, false, id);
8545                    }
8546                } catch (RemoteException ex) {
8547                }
8548            }
8549        });
8550    }
8551
8552    /**
8553     * Check if the external storage media is available. This is true if there
8554     * is a mounted external storage medium or if the external storage is
8555     * emulated.
8556     */
8557    private boolean isExternalMediaAvailable() {
8558        return mMediaMounted || Environment.isExternalStorageEmulated();
8559    }
8560
8561    @Override
8562    public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) {
8563        // writer
8564        synchronized (mPackages) {
8565            if (!isExternalMediaAvailable()) {
8566                // If the external storage is no longer mounted at this point,
8567                // the caller may not have been able to delete all of this
8568                // packages files and can not delete any more.  Bail.
8569                return null;
8570            }
8571            final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned;
8572            if (lastPackage != null) {
8573                pkgs.remove(lastPackage);
8574            }
8575            if (pkgs.size() > 0) {
8576                return pkgs.get(0);
8577            }
8578        }
8579        return null;
8580    }
8581
8582    void schedulePackageCleaning(String packageName, int userId, boolean andCode) {
8583        final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE,
8584                userId, andCode ? 1 : 0, packageName);
8585        if (mSystemReady) {
8586            msg.sendToTarget();
8587        } else {
8588            if (mPostSystemReadyMessages == null) {
8589                mPostSystemReadyMessages = new ArrayList<>();
8590            }
8591            mPostSystemReadyMessages.add(msg);
8592        }
8593    }
8594
8595    void startCleaningPackages() {
8596        // reader
8597        synchronized (mPackages) {
8598            if (!isExternalMediaAvailable()) {
8599                return;
8600            }
8601            if (mSettings.mPackagesToBeCleaned.isEmpty()) {
8602                return;
8603            }
8604        }
8605        Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE);
8606        intent.setComponent(DEFAULT_CONTAINER_COMPONENT);
8607        IActivityManager am = ActivityManagerNative.getDefault();
8608        if (am != null) {
8609            try {
8610                am.startService(null, intent, null, UserHandle.USER_OWNER);
8611            } catch (RemoteException e) {
8612            }
8613        }
8614    }
8615
8616    @Override
8617    public void installPackage(String originPath, IPackageInstallObserver2 observer,
8618            int installFlags, String installerPackageName, VerificationParams verificationParams,
8619            String packageAbiOverride) {
8620        installPackageAsUser(originPath, observer, installFlags, installerPackageName,
8621                verificationParams, packageAbiOverride, UserHandle.getCallingUserId());
8622    }
8623
8624    @Override
8625    public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer,
8626            int installFlags, String installerPackageName, VerificationParams verificationParams,
8627            String packageAbiOverride, int userId) {
8628        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null);
8629
8630        final int callingUid = Binder.getCallingUid();
8631        enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser");
8632
8633        if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) {
8634            try {
8635                if (observer != null) {
8636                    observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null);
8637                }
8638            } catch (RemoteException re) {
8639            }
8640            return;
8641        }
8642
8643        if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) {
8644            installFlags |= PackageManager.INSTALL_FROM_ADB;
8645
8646        } else {
8647            // Caller holds INSTALL_PACKAGES permission, so we're less strict
8648            // about installerPackageName.
8649
8650            installFlags &= ~PackageManager.INSTALL_FROM_ADB;
8651            installFlags &= ~PackageManager.INSTALL_ALL_USERS;
8652        }
8653
8654        UserHandle user;
8655        if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) {
8656            user = UserHandle.ALL;
8657        } else {
8658            user = new UserHandle(userId);
8659        }
8660
8661        // Only system components can circumvent runtime permissions when installing.
8662        if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0
8663                && mContext.checkCallingOrSelfPermission(Manifest.permission
8664                .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) {
8665            throw new SecurityException("You need the "
8666                    + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission "
8667                    + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag");
8668        }
8669
8670        verificationParams.setInstallerUid(callingUid);
8671
8672        final File originFile = new File(originPath);
8673        final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile);
8674
8675        final Message msg = mHandler.obtainMessage(INIT_COPY);
8676        msg.obj = new InstallParams(origin, null, observer, installFlags, installerPackageName,
8677                null, verificationParams, user, packageAbiOverride);
8678        mHandler.sendMessage(msg);
8679    }
8680
8681    void installStage(String packageName, File stagedDir, String stagedCid,
8682            IPackageInstallObserver2 observer, PackageInstaller.SessionParams params,
8683            String installerPackageName, int installerUid, UserHandle user) {
8684        final VerificationParams verifParams = new VerificationParams(null, params.originatingUri,
8685                params.referrerUri, installerUid, null);
8686
8687        final OriginInfo origin;
8688        if (stagedDir != null) {
8689            origin = OriginInfo.fromStagedFile(stagedDir);
8690        } else {
8691            origin = OriginInfo.fromStagedContainer(stagedCid);
8692        }
8693
8694        final Message msg = mHandler.obtainMessage(INIT_COPY);
8695        msg.obj = new InstallParams(origin, null, observer, params.installFlags,
8696                installerPackageName, params.volumeUuid, verifParams, user, params.abiOverride);
8697        mHandler.sendMessage(msg);
8698    }
8699
8700    private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) {
8701        Bundle extras = new Bundle(1);
8702        extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId));
8703
8704        sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
8705                packageName, extras, null, null, new int[] {userId});
8706        try {
8707            IActivityManager am = ActivityManagerNative.getDefault();
8708            final boolean isSystem =
8709                    isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting);
8710            if (isSystem && am.isUserRunning(userId, false)) {
8711                // The just-installed/enabled app is bundled on the system, so presumed
8712                // to be able to run automatically without needing an explicit launch.
8713                // Send it a BOOT_COMPLETED if it would ordinarily have gotten one.
8714                Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED)
8715                        .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
8716                        .setPackage(packageName);
8717                am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null,
8718                        android.app.AppOpsManager.OP_NONE, false, false, userId);
8719            }
8720        } catch (RemoteException e) {
8721            // shouldn't happen
8722            Slog.w(TAG, "Unable to bootstrap installed package", e);
8723        }
8724    }
8725
8726    @Override
8727    public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden,
8728            int userId) {
8729        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
8730        PackageSetting pkgSetting;
8731        final int uid = Binder.getCallingUid();
8732        enforceCrossUserPermission(uid, userId, true, true,
8733                "setApplicationHiddenSetting for user " + userId);
8734
8735        if (hidden && isPackageDeviceAdmin(packageName, userId)) {
8736            Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin");
8737            return false;
8738        }
8739
8740        long callingId = Binder.clearCallingIdentity();
8741        try {
8742            boolean sendAdded = false;
8743            boolean sendRemoved = false;
8744            // writer
8745            synchronized (mPackages) {
8746                pkgSetting = mSettings.mPackages.get(packageName);
8747                if (pkgSetting == null) {
8748                    return false;
8749                }
8750                if (pkgSetting.getHidden(userId) != hidden) {
8751                    pkgSetting.setHidden(hidden, userId);
8752                    mSettings.writePackageRestrictionsLPr(userId);
8753                    if (hidden) {
8754                        sendRemoved = true;
8755                    } else {
8756                        sendAdded = true;
8757                    }
8758                }
8759            }
8760            if (sendAdded) {
8761                sendPackageAddedForUser(packageName, pkgSetting, userId);
8762                return true;
8763            }
8764            if (sendRemoved) {
8765                killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId),
8766                        "hiding pkg");
8767                sendApplicationHiddenForUser(packageName, pkgSetting, userId);
8768            }
8769        } finally {
8770            Binder.restoreCallingIdentity(callingId);
8771        }
8772        return false;
8773    }
8774
8775    private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting,
8776            int userId) {
8777        final PackageRemovedInfo info = new PackageRemovedInfo();
8778        info.removedPackage = packageName;
8779        info.removedUsers = new int[] {userId};
8780        info.uid = UserHandle.getUid(userId, pkgSetting.appId);
8781        info.sendBroadcast(false, false, false);
8782    }
8783
8784    /**
8785     * Returns true if application is not found or there was an error. Otherwise it returns
8786     * the hidden state of the package for the given user.
8787     */
8788    @Override
8789    public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) {
8790        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
8791        enforceCrossUserPermission(Binder.getCallingUid(), userId, true,
8792                false, "getApplicationHidden for user " + userId);
8793        PackageSetting pkgSetting;
8794        long callingId = Binder.clearCallingIdentity();
8795        try {
8796            // writer
8797            synchronized (mPackages) {
8798                pkgSetting = mSettings.mPackages.get(packageName);
8799                if (pkgSetting == null) {
8800                    return true;
8801                }
8802                return pkgSetting.getHidden(userId);
8803            }
8804        } finally {
8805            Binder.restoreCallingIdentity(callingId);
8806        }
8807    }
8808
8809    /**
8810     * @hide
8811     */
8812    @Override
8813    public int installExistingPackageAsUser(String packageName, int userId) {
8814        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES,
8815                null);
8816        PackageSetting pkgSetting;
8817        final int uid = Binder.getCallingUid();
8818        enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user "
8819                + userId);
8820        if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) {
8821            return PackageManager.INSTALL_FAILED_USER_RESTRICTED;
8822        }
8823
8824        long callingId = Binder.clearCallingIdentity();
8825        try {
8826            boolean sendAdded = false;
8827
8828            // writer
8829            synchronized (mPackages) {
8830                pkgSetting = mSettings.mPackages.get(packageName);
8831                if (pkgSetting == null) {
8832                    return PackageManager.INSTALL_FAILED_INVALID_URI;
8833                }
8834                if (!pkgSetting.getInstalled(userId)) {
8835                    pkgSetting.setInstalled(true, userId);
8836                    pkgSetting.setHidden(false, userId);
8837                    mSettings.writePackageRestrictionsLPr(userId);
8838                    sendAdded = true;
8839                }
8840            }
8841
8842            if (sendAdded) {
8843                sendPackageAddedForUser(packageName, pkgSetting, userId);
8844            }
8845        } finally {
8846            Binder.restoreCallingIdentity(callingId);
8847        }
8848
8849        return PackageManager.INSTALL_SUCCEEDED;
8850    }
8851
8852    boolean isUserRestricted(int userId, String restrictionKey) {
8853        Bundle restrictions = sUserManager.getUserRestrictions(userId);
8854        if (restrictions.getBoolean(restrictionKey, false)) {
8855            Log.w(TAG, "User is restricted: " + restrictionKey);
8856            return true;
8857        }
8858        return false;
8859    }
8860
8861    @Override
8862    public void verifyPendingInstall(int id, int verificationCode) throws RemoteException {
8863        mContext.enforceCallingOrSelfPermission(
8864                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
8865                "Only package verification agents can verify applications");
8866
8867        final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
8868        final PackageVerificationResponse response = new PackageVerificationResponse(
8869                verificationCode, Binder.getCallingUid());
8870        msg.arg1 = id;
8871        msg.obj = response;
8872        mHandler.sendMessage(msg);
8873    }
8874
8875    @Override
8876    public void extendVerificationTimeout(int id, int verificationCodeAtTimeout,
8877            long millisecondsToDelay) {
8878        mContext.enforceCallingOrSelfPermission(
8879                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
8880                "Only package verification agents can extend verification timeouts");
8881
8882        final PackageVerificationState state = mPendingVerification.get(id);
8883        final PackageVerificationResponse response = new PackageVerificationResponse(
8884                verificationCodeAtTimeout, Binder.getCallingUid());
8885
8886        if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) {
8887            millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT;
8888        }
8889        if (millisecondsToDelay < 0) {
8890            millisecondsToDelay = 0;
8891        }
8892        if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW)
8893                && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) {
8894            verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT;
8895        }
8896
8897        if ((state != null) && !state.timeoutExtended()) {
8898            state.extendTimeout();
8899
8900            final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
8901            msg.arg1 = id;
8902            msg.obj = response;
8903            mHandler.sendMessageDelayed(msg, millisecondsToDelay);
8904        }
8905    }
8906
8907    private void broadcastPackageVerified(int verificationId, Uri packageUri,
8908            int verificationCode, UserHandle user) {
8909        final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED);
8910        intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE);
8911        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
8912        intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
8913        intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode);
8914
8915        mContext.sendBroadcastAsUser(intent, user,
8916                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT);
8917    }
8918
8919    private ComponentName matchComponentForVerifier(String packageName,
8920            List<ResolveInfo> receivers) {
8921        ActivityInfo targetReceiver = null;
8922
8923        final int NR = receivers.size();
8924        for (int i = 0; i < NR; i++) {
8925            final ResolveInfo info = receivers.get(i);
8926            if (info.activityInfo == null) {
8927                continue;
8928            }
8929
8930            if (packageName.equals(info.activityInfo.packageName)) {
8931                targetReceiver = info.activityInfo;
8932                break;
8933            }
8934        }
8935
8936        if (targetReceiver == null) {
8937            return null;
8938        }
8939
8940        return new ComponentName(targetReceiver.packageName, targetReceiver.name);
8941    }
8942
8943    private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo,
8944            List<ResolveInfo> receivers, final PackageVerificationState verificationState) {
8945        if (pkgInfo.verifiers.length == 0) {
8946            return null;
8947        }
8948
8949        final int N = pkgInfo.verifiers.length;
8950        final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1);
8951        for (int i = 0; i < N; i++) {
8952            final VerifierInfo verifierInfo = pkgInfo.verifiers[i];
8953
8954            final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName,
8955                    receivers);
8956            if (comp == null) {
8957                continue;
8958            }
8959
8960            final int verifierUid = getUidForVerifier(verifierInfo);
8961            if (verifierUid == -1) {
8962                continue;
8963            }
8964
8965            if (DEBUG_VERIFY) {
8966                Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName
8967                        + " with the correct signature");
8968            }
8969            sufficientVerifiers.add(comp);
8970            verificationState.addSufficientVerifier(verifierUid);
8971        }
8972
8973        return sufficientVerifiers;
8974    }
8975
8976    private int getUidForVerifier(VerifierInfo verifierInfo) {
8977        synchronized (mPackages) {
8978            final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName);
8979            if (pkg == null) {
8980                return -1;
8981            } else if (pkg.mSignatures.length != 1) {
8982                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
8983                        + " has more than one signature; ignoring");
8984                return -1;
8985            }
8986
8987            /*
8988             * If the public key of the package's signature does not match
8989             * our expected public key, then this is a different package and
8990             * we should skip.
8991             */
8992
8993            final byte[] expectedPublicKey;
8994            try {
8995                final Signature verifierSig = pkg.mSignatures[0];
8996                final PublicKey publicKey = verifierSig.getPublicKey();
8997                expectedPublicKey = publicKey.getEncoded();
8998            } catch (CertificateException e) {
8999                return -1;
9000            }
9001
9002            final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded();
9003
9004            if (!Arrays.equals(actualPublicKey, expectedPublicKey)) {
9005                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
9006                        + " does not have the expected public key; ignoring");
9007                return -1;
9008            }
9009
9010            return pkg.applicationInfo.uid;
9011        }
9012    }
9013
9014    @Override
9015    public void finishPackageInstall(int token) {
9016        enforceSystemOrRoot("Only the system is allowed to finish installs");
9017
9018        if (DEBUG_INSTALL) {
9019            Slog.v(TAG, "BM finishing package install for " + token);
9020        }
9021
9022        final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
9023        mHandler.sendMessage(msg);
9024    }
9025
9026    /**
9027     * Get the verification agent timeout.
9028     *
9029     * @return verification timeout in milliseconds
9030     */
9031    private long getVerificationTimeout() {
9032        return android.provider.Settings.Global.getLong(mContext.getContentResolver(),
9033                android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT,
9034                DEFAULT_VERIFICATION_TIMEOUT);
9035    }
9036
9037    /**
9038     * Get the default verification agent response code.
9039     *
9040     * @return default verification response code
9041     */
9042    private int getDefaultVerificationResponse() {
9043        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
9044                android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE,
9045                DEFAULT_VERIFICATION_RESPONSE);
9046    }
9047
9048    /**
9049     * Check whether or not package verification has been enabled.
9050     *
9051     * @return true if verification should be performed
9052     */
9053    private boolean isVerificationEnabled(int userId, int installFlags) {
9054        if (!DEFAULT_VERIFY_ENABLE) {
9055            return false;
9056        }
9057
9058        boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS);
9059
9060        // Check if installing from ADB
9061        if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) {
9062            // Do not run verification in a test harness environment
9063            if (ActivityManager.isRunningInTestHarness()) {
9064                return false;
9065            }
9066            if (ensureVerifyAppsEnabled) {
9067                return true;
9068            }
9069            // Check if the developer does not want package verification for ADB installs
9070            if (android.provider.Settings.Global.getInt(mContext.getContentResolver(),
9071                    android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) {
9072                return false;
9073            }
9074        }
9075
9076        if (ensureVerifyAppsEnabled) {
9077            return true;
9078        }
9079
9080        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
9081                android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1;
9082    }
9083
9084    @Override
9085    public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains)
9086            throws RemoteException {
9087        mContext.enforceCallingOrSelfPermission(
9088                Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT,
9089                "Only intentfilter verification agents can verify applications");
9090
9091        final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED);
9092        final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse(
9093                Binder.getCallingUid(), verificationCode, failedDomains);
9094        msg.arg1 = id;
9095        msg.obj = response;
9096        mHandler.sendMessage(msg);
9097    }
9098
9099    @Override
9100    public int getIntentVerificationStatus(String packageName, int userId) {
9101        synchronized (mPackages) {
9102            return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId);
9103        }
9104    }
9105
9106    @Override
9107    public boolean updateIntentVerificationStatus(String packageName, int status, int userId) {
9108        boolean result = false;
9109        synchronized (mPackages) {
9110            result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId);
9111        }
9112        scheduleWritePackageRestrictionsLocked(userId);
9113        return result;
9114    }
9115
9116    @Override
9117    public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) {
9118        synchronized (mPackages) {
9119            return mSettings.getIntentFilterVerificationsLPr(packageName);
9120        }
9121    }
9122
9123    @Override
9124    public List<IntentFilter> getAllIntentFilters(String packageName) {
9125        if (TextUtils.isEmpty(packageName)) {
9126            return Collections.<IntentFilter>emptyList();
9127        }
9128        synchronized (mPackages) {
9129            PackageParser.Package pkg = mPackages.get(packageName);
9130            if (pkg == null || pkg.activities == null) {
9131                return Collections.<IntentFilter>emptyList();
9132            }
9133            final int count = pkg.activities.size();
9134            ArrayList<IntentFilter> result = new ArrayList<>();
9135            for (int n=0; n<count; n++) {
9136                PackageParser.Activity activity = pkg.activities.get(n);
9137                if (activity.intents != null || activity.intents.size() > 0) {
9138                    result.addAll(activity.intents);
9139                }
9140            }
9141            return result;
9142        }
9143    }
9144
9145    @Override
9146    public boolean setDefaultBrowserPackageName(String packageName, int userId) {
9147        synchronized (mPackages) {
9148            return mSettings.setDefaultBrowserPackageNameLPr(packageName, userId);
9149        }
9150    }
9151
9152    @Override
9153    public String getDefaultBrowserPackageName(int userId) {
9154        synchronized (mPackages) {
9155            return mSettings.getDefaultBrowserPackageNameLPw(userId);
9156        }
9157    }
9158
9159    /**
9160     * Get the "allow unknown sources" setting.
9161     *
9162     * @return the current "allow unknown sources" setting
9163     */
9164    private int getUnknownSourcesSettings() {
9165        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
9166                android.provider.Settings.Global.INSTALL_NON_MARKET_APPS,
9167                -1);
9168    }
9169
9170    @Override
9171    public void setInstallerPackageName(String targetPackage, String installerPackageName) {
9172        final int uid = Binder.getCallingUid();
9173        // writer
9174        synchronized (mPackages) {
9175            PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage);
9176            if (targetPackageSetting == null) {
9177                throw new IllegalArgumentException("Unknown target package: " + targetPackage);
9178            }
9179
9180            PackageSetting installerPackageSetting;
9181            if (installerPackageName != null) {
9182                installerPackageSetting = mSettings.mPackages.get(installerPackageName);
9183                if (installerPackageSetting == null) {
9184                    throw new IllegalArgumentException("Unknown installer package: "
9185                            + installerPackageName);
9186                }
9187            } else {
9188                installerPackageSetting = null;
9189            }
9190
9191            Signature[] callerSignature;
9192            Object obj = mSettings.getUserIdLPr(uid);
9193            if (obj != null) {
9194                if (obj instanceof SharedUserSetting) {
9195                    callerSignature = ((SharedUserSetting)obj).signatures.mSignatures;
9196                } else if (obj instanceof PackageSetting) {
9197                    callerSignature = ((PackageSetting)obj).signatures.mSignatures;
9198                } else {
9199                    throw new SecurityException("Bad object " + obj + " for uid " + uid);
9200                }
9201            } else {
9202                throw new SecurityException("Unknown calling uid " + uid);
9203            }
9204
9205            // Verify: can't set installerPackageName to a package that is
9206            // not signed with the same cert as the caller.
9207            if (installerPackageSetting != null) {
9208                if (compareSignatures(callerSignature,
9209                        installerPackageSetting.signatures.mSignatures)
9210                        != PackageManager.SIGNATURE_MATCH) {
9211                    throw new SecurityException(
9212                            "Caller does not have same cert as new installer package "
9213                            + installerPackageName);
9214                }
9215            }
9216
9217            // Verify: if target already has an installer package, it must
9218            // be signed with the same cert as the caller.
9219            if (targetPackageSetting.installerPackageName != null) {
9220                PackageSetting setting = mSettings.mPackages.get(
9221                        targetPackageSetting.installerPackageName);
9222                // If the currently set package isn't valid, then it's always
9223                // okay to change it.
9224                if (setting != null) {
9225                    if (compareSignatures(callerSignature,
9226                            setting.signatures.mSignatures)
9227                            != PackageManager.SIGNATURE_MATCH) {
9228                        throw new SecurityException(
9229                                "Caller does not have same cert as old installer package "
9230                                + targetPackageSetting.installerPackageName);
9231                    }
9232                }
9233            }
9234
9235            // Okay!
9236            targetPackageSetting.installerPackageName = installerPackageName;
9237            scheduleWriteSettingsLocked();
9238        }
9239    }
9240
9241    private void processPendingInstall(final InstallArgs args, final int currentStatus) {
9242        // Queue up an async operation since the package installation may take a little while.
9243        mHandler.post(new Runnable() {
9244            public void run() {
9245                mHandler.removeCallbacks(this);
9246                 // Result object to be returned
9247                PackageInstalledInfo res = new PackageInstalledInfo();
9248                res.returnCode = currentStatus;
9249                res.uid = -1;
9250                res.pkg = null;
9251                res.removedInfo = new PackageRemovedInfo();
9252                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
9253                    args.doPreInstall(res.returnCode);
9254                    synchronized (mInstallLock) {
9255                        installPackageLI(args, res);
9256                    }
9257                    args.doPostInstall(res.returnCode, res.uid);
9258                }
9259
9260                // A restore should be performed at this point if (a) the install
9261                // succeeded, (b) the operation is not an update, and (c) the new
9262                // package has not opted out of backup participation.
9263                final boolean update = res.removedInfo.removedPackage != null;
9264                final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags;
9265                boolean doRestore = !update
9266                        && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0);
9267
9268                // Set up the post-install work request bookkeeping.  This will be used
9269                // and cleaned up by the post-install event handling regardless of whether
9270                // there's a restore pass performed.  Token values are >= 1.
9271                int token;
9272                if (mNextInstallToken < 0) mNextInstallToken = 1;
9273                token = mNextInstallToken++;
9274
9275                PostInstallData data = new PostInstallData(args, res);
9276                mRunningInstalls.put(token, data);
9277                if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token);
9278
9279                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) {
9280                    // Pass responsibility to the Backup Manager.  It will perform a
9281                    // restore if appropriate, then pass responsibility back to the
9282                    // Package Manager to run the post-install observer callbacks
9283                    // and broadcasts.
9284                    IBackupManager bm = IBackupManager.Stub.asInterface(
9285                            ServiceManager.getService(Context.BACKUP_SERVICE));
9286                    if (bm != null) {
9287                        if (DEBUG_INSTALL) Log.v(TAG, "token " + token
9288                                + " to BM for possible restore");
9289                        try {
9290                            if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) {
9291                                bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token);
9292                            } else {
9293                                doRestore = false;
9294                            }
9295                        } catch (RemoteException e) {
9296                            // can't happen; the backup manager is local
9297                        } catch (Exception e) {
9298                            Slog.e(TAG, "Exception trying to enqueue restore", e);
9299                            doRestore = false;
9300                        }
9301                    } else {
9302                        Slog.e(TAG, "Backup Manager not found!");
9303                        doRestore = false;
9304                    }
9305                }
9306
9307                if (!doRestore) {
9308                    // No restore possible, or the Backup Manager was mysteriously not
9309                    // available -- just fire the post-install work request directly.
9310                    if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token);
9311                    Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
9312                    mHandler.sendMessage(msg);
9313                }
9314            }
9315        });
9316    }
9317
9318    private abstract class HandlerParams {
9319        private static final int MAX_RETRIES = 4;
9320
9321        /**
9322         * Number of times startCopy() has been attempted and had a non-fatal
9323         * error.
9324         */
9325        private int mRetries = 0;
9326
9327        /** User handle for the user requesting the information or installation. */
9328        private final UserHandle mUser;
9329
9330        HandlerParams(UserHandle user) {
9331            mUser = user;
9332        }
9333
9334        UserHandle getUser() {
9335            return mUser;
9336        }
9337
9338        final boolean startCopy() {
9339            boolean res;
9340            try {
9341                if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this);
9342
9343                if (++mRetries > MAX_RETRIES) {
9344                    Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up");
9345                    mHandler.sendEmptyMessage(MCS_GIVE_UP);
9346                    handleServiceError();
9347                    return false;
9348                } else {
9349                    handleStartCopy();
9350                    res = true;
9351                }
9352            } catch (RemoteException e) {
9353                if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT");
9354                mHandler.sendEmptyMessage(MCS_RECONNECT);
9355                res = false;
9356            }
9357            handleReturnCode();
9358            return res;
9359        }
9360
9361        final void serviceError() {
9362            if (DEBUG_INSTALL) Slog.i(TAG, "serviceError");
9363            handleServiceError();
9364            handleReturnCode();
9365        }
9366
9367        abstract void handleStartCopy() throws RemoteException;
9368        abstract void handleServiceError();
9369        abstract void handleReturnCode();
9370    }
9371
9372    class MeasureParams extends HandlerParams {
9373        private final PackageStats mStats;
9374        private boolean mSuccess;
9375
9376        private final IPackageStatsObserver mObserver;
9377
9378        public MeasureParams(PackageStats stats, IPackageStatsObserver observer) {
9379            super(new UserHandle(stats.userHandle));
9380            mObserver = observer;
9381            mStats = stats;
9382        }
9383
9384        @Override
9385        public String toString() {
9386            return "MeasureParams{"
9387                + Integer.toHexString(System.identityHashCode(this))
9388                + " " + mStats.packageName + "}";
9389        }
9390
9391        @Override
9392        void handleStartCopy() throws RemoteException {
9393            synchronized (mInstallLock) {
9394                mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats);
9395            }
9396
9397            if (mSuccess) {
9398                final boolean mounted;
9399                if (Environment.isExternalStorageEmulated()) {
9400                    mounted = true;
9401                } else {
9402                    final String status = Environment.getExternalStorageState();
9403                    mounted = (Environment.MEDIA_MOUNTED.equals(status)
9404                            || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status));
9405                }
9406
9407                if (mounted) {
9408                    final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle);
9409
9410                    mStats.externalCacheSize = calculateDirectorySize(mContainerService,
9411                            userEnv.buildExternalStorageAppCacheDirs(mStats.packageName));
9412
9413                    mStats.externalDataSize = calculateDirectorySize(mContainerService,
9414                            userEnv.buildExternalStorageAppDataDirs(mStats.packageName));
9415
9416                    // Always subtract cache size, since it's a subdirectory
9417                    mStats.externalDataSize -= mStats.externalCacheSize;
9418
9419                    mStats.externalMediaSize = calculateDirectorySize(mContainerService,
9420                            userEnv.buildExternalStorageAppMediaDirs(mStats.packageName));
9421
9422                    mStats.externalObbSize = calculateDirectorySize(mContainerService,
9423                            userEnv.buildExternalStorageAppObbDirs(mStats.packageName));
9424                }
9425            }
9426        }
9427
9428        @Override
9429        void handleReturnCode() {
9430            if (mObserver != null) {
9431                try {
9432                    mObserver.onGetStatsCompleted(mStats, mSuccess);
9433                } catch (RemoteException e) {
9434                    Slog.i(TAG, "Observer no longer exists.");
9435                }
9436            }
9437        }
9438
9439        @Override
9440        void handleServiceError() {
9441            Slog.e(TAG, "Could not measure application " + mStats.packageName
9442                            + " external storage");
9443        }
9444    }
9445
9446    private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths)
9447            throws RemoteException {
9448        long result = 0;
9449        for (File path : paths) {
9450            result += mcs.calculateDirectorySize(path.getAbsolutePath());
9451        }
9452        return result;
9453    }
9454
9455    private static void clearDirectory(IMediaContainerService mcs, File[] paths) {
9456        for (File path : paths) {
9457            try {
9458                mcs.clearDirectory(path.getAbsolutePath());
9459            } catch (RemoteException e) {
9460            }
9461        }
9462    }
9463
9464    static class OriginInfo {
9465        /**
9466         * Location where install is coming from, before it has been
9467         * copied/renamed into place. This could be a single monolithic APK
9468         * file, or a cluster directory. This location may be untrusted.
9469         */
9470        final File file;
9471        final String cid;
9472
9473        /**
9474         * Flag indicating that {@link #file} or {@link #cid} has already been
9475         * staged, meaning downstream users don't need to defensively copy the
9476         * contents.
9477         */
9478        final boolean staged;
9479
9480        /**
9481         * Flag indicating that {@link #file} or {@link #cid} is an already
9482         * installed app that is being moved.
9483         */
9484        final boolean existing;
9485
9486        final String resolvedPath;
9487        final File resolvedFile;
9488
9489        static OriginInfo fromNothing() {
9490            return new OriginInfo(null, null, false, false);
9491        }
9492
9493        static OriginInfo fromUntrustedFile(File file) {
9494            return new OriginInfo(file, null, false, false);
9495        }
9496
9497        static OriginInfo fromExistingFile(File file) {
9498            return new OriginInfo(file, null, false, true);
9499        }
9500
9501        static OriginInfo fromStagedFile(File file) {
9502            return new OriginInfo(file, null, true, false);
9503        }
9504
9505        static OriginInfo fromStagedContainer(String cid) {
9506            return new OriginInfo(null, cid, true, false);
9507        }
9508
9509        private OriginInfo(File file, String cid, boolean staged, boolean existing) {
9510            this.file = file;
9511            this.cid = cid;
9512            this.staged = staged;
9513            this.existing = existing;
9514
9515            if (cid != null) {
9516                resolvedPath = PackageHelper.getSdDir(cid);
9517                resolvedFile = new File(resolvedPath);
9518            } else if (file != null) {
9519                resolvedPath = file.getAbsolutePath();
9520                resolvedFile = file;
9521            } else {
9522                resolvedPath = null;
9523                resolvedFile = null;
9524            }
9525        }
9526    }
9527
9528    class MoveInfo {
9529        final int moveId;
9530        final String fromUuid;
9531        final String toUuid;
9532        final String packageName;
9533        final String dataAppName;
9534        final int appId;
9535        final String seinfo;
9536
9537        public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName,
9538                String dataAppName, int appId, String seinfo) {
9539            this.moveId = moveId;
9540            this.fromUuid = fromUuid;
9541            this.toUuid = toUuid;
9542            this.packageName = packageName;
9543            this.dataAppName = dataAppName;
9544            this.appId = appId;
9545            this.seinfo = seinfo;
9546        }
9547    }
9548
9549    class InstallParams extends HandlerParams {
9550        final OriginInfo origin;
9551        final MoveInfo move;
9552        final IPackageInstallObserver2 observer;
9553        int installFlags;
9554        final String installerPackageName;
9555        final String volumeUuid;
9556        final VerificationParams verificationParams;
9557        private InstallArgs mArgs;
9558        private int mRet;
9559        final String packageAbiOverride;
9560
9561        InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer,
9562                int installFlags, String installerPackageName, String volumeUuid,
9563                VerificationParams verificationParams, UserHandle user, String packageAbiOverride) {
9564            super(user);
9565            this.origin = origin;
9566            this.move = move;
9567            this.observer = observer;
9568            this.installFlags = installFlags;
9569            this.installerPackageName = installerPackageName;
9570            this.volumeUuid = volumeUuid;
9571            this.verificationParams = verificationParams;
9572            this.packageAbiOverride = packageAbiOverride;
9573        }
9574
9575        @Override
9576        public String toString() {
9577            return "InstallParams{" + Integer.toHexString(System.identityHashCode(this))
9578                    + " file=" + origin.file + " cid=" + origin.cid + "}";
9579        }
9580
9581        public ManifestDigest getManifestDigest() {
9582            if (verificationParams == null) {
9583                return null;
9584            }
9585            return verificationParams.getManifestDigest();
9586        }
9587
9588        private int installLocationPolicy(PackageInfoLite pkgLite) {
9589            String packageName = pkgLite.packageName;
9590            int installLocation = pkgLite.installLocation;
9591            boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
9592            // reader
9593            synchronized (mPackages) {
9594                PackageParser.Package pkg = mPackages.get(packageName);
9595                if (pkg != null) {
9596                    if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
9597                        // Check for downgrading.
9598                        if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) {
9599                            try {
9600                                checkDowngrade(pkg, pkgLite);
9601                            } catch (PackageManagerException e) {
9602                                Slog.w(TAG, "Downgrade detected: " + e.getMessage());
9603                                return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE;
9604                            }
9605                        }
9606                        // Check for updated system application.
9607                        if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
9608                            if (onSd) {
9609                                Slog.w(TAG, "Cannot install update to system app on sdcard");
9610                                return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION;
9611                            }
9612                            return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
9613                        } else {
9614                            if (onSd) {
9615                                // Install flag overrides everything.
9616                                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
9617                            }
9618                            // If current upgrade specifies particular preference
9619                            if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) {
9620                                // Application explicitly specified internal.
9621                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
9622                            } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) {
9623                                // App explictly prefers external. Let policy decide
9624                            } else {
9625                                // Prefer previous location
9626                                if (isExternal(pkg)) {
9627                                    return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
9628                                }
9629                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
9630                            }
9631                        }
9632                    } else {
9633                        // Invalid install. Return error code
9634                        return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS;
9635                    }
9636                }
9637            }
9638            // All the special cases have been taken care of.
9639            // Return result based on recommended install location.
9640            if (onSd) {
9641                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
9642            }
9643            return pkgLite.recommendedInstallLocation;
9644        }
9645
9646        /*
9647         * Invoke remote method to get package information and install
9648         * location values. Override install location based on default
9649         * policy if needed and then create install arguments based
9650         * on the install location.
9651         */
9652        public void handleStartCopy() throws RemoteException {
9653            int ret = PackageManager.INSTALL_SUCCEEDED;
9654
9655            // If we're already staged, we've firmly committed to an install location
9656            if (origin.staged) {
9657                if (origin.file != null) {
9658                    installFlags |= PackageManager.INSTALL_INTERNAL;
9659                    installFlags &= ~PackageManager.INSTALL_EXTERNAL;
9660                } else if (origin.cid != null) {
9661                    installFlags |= PackageManager.INSTALL_EXTERNAL;
9662                    installFlags &= ~PackageManager.INSTALL_INTERNAL;
9663                } else {
9664                    throw new IllegalStateException("Invalid stage location");
9665                }
9666            }
9667
9668            final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
9669            final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0;
9670
9671            PackageInfoLite pkgLite = null;
9672
9673            if (onInt && onSd) {
9674                // Check if both bits are set.
9675                Slog.w(TAG, "Conflicting flags specified for installing on both internal and external");
9676                ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
9677            } else {
9678                pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags,
9679                        packageAbiOverride);
9680
9681                /*
9682                 * If we have too little free space, try to free cache
9683                 * before giving up.
9684                 */
9685                if (!origin.staged && pkgLite.recommendedInstallLocation
9686                        == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
9687                    // TODO: focus freeing disk space on the target device
9688                    final StorageManager storage = StorageManager.from(mContext);
9689                    final long lowThreshold = storage.getStorageLowBytes(
9690                            Environment.getDataDirectory());
9691
9692                    final long sizeBytes = mContainerService.calculateInstalledSize(
9693                            origin.resolvedPath, isForwardLocked(), packageAbiOverride);
9694
9695                    if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) {
9696                        pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath,
9697                                installFlags, packageAbiOverride);
9698                    }
9699
9700                    /*
9701                     * The cache free must have deleted the file we
9702                     * downloaded to install.
9703                     *
9704                     * TODO: fix the "freeCache" call to not delete
9705                     *       the file we care about.
9706                     */
9707                    if (pkgLite.recommendedInstallLocation
9708                            == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
9709                        pkgLite.recommendedInstallLocation
9710                            = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE;
9711                    }
9712                }
9713            }
9714
9715            if (ret == PackageManager.INSTALL_SUCCEEDED) {
9716                int loc = pkgLite.recommendedInstallLocation;
9717                if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) {
9718                    ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
9719                } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) {
9720                    ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
9721                } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
9722                    ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
9723                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) {
9724                    ret = PackageManager.INSTALL_FAILED_INVALID_APK;
9725                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
9726                    ret = PackageManager.INSTALL_FAILED_INVALID_URI;
9727                } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) {
9728                    ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE;
9729                } else {
9730                    // Override with defaults if needed.
9731                    loc = installLocationPolicy(pkgLite);
9732                    if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) {
9733                        ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE;
9734                    } else if (!onSd && !onInt) {
9735                        // Override install location with flags
9736                        if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) {
9737                            // Set the flag to install on external media.
9738                            installFlags |= PackageManager.INSTALL_EXTERNAL;
9739                            installFlags &= ~PackageManager.INSTALL_INTERNAL;
9740                        } else {
9741                            // Make sure the flag for installing on external
9742                            // media is unset
9743                            installFlags |= PackageManager.INSTALL_INTERNAL;
9744                            installFlags &= ~PackageManager.INSTALL_EXTERNAL;
9745                        }
9746                    }
9747                }
9748            }
9749
9750            final InstallArgs args = createInstallArgs(this);
9751            mArgs = args;
9752
9753            if (ret == PackageManager.INSTALL_SUCCEEDED) {
9754                 /*
9755                 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by
9756                 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER.
9757                 */
9758                int userIdentifier = getUser().getIdentifier();
9759                if (userIdentifier == UserHandle.USER_ALL
9760                        && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) {
9761                    userIdentifier = UserHandle.USER_OWNER;
9762                }
9763
9764                /*
9765                 * Determine if we have any installed package verifiers. If we
9766                 * do, then we'll defer to them to verify the packages.
9767                 */
9768                final int requiredUid = mRequiredVerifierPackage == null ? -1
9769                        : getPackageUid(mRequiredVerifierPackage, userIdentifier);
9770                if (!origin.existing && requiredUid != -1
9771                        && isVerificationEnabled(userIdentifier, installFlags)) {
9772                    final Intent verification = new Intent(
9773                            Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
9774                    verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
9775                    verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)),
9776                            PACKAGE_MIME_TYPE);
9777                    verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
9778
9779                    final List<ResolveInfo> receivers = queryIntentReceivers(verification,
9780                            PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS,
9781                            0 /* TODO: Which userId? */);
9782
9783                    if (DEBUG_VERIFY) {
9784                        Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent "
9785                                + verification.toString() + " with " + pkgLite.verifiers.length
9786                                + " optional verifiers");
9787                    }
9788
9789                    final int verificationId = mPendingVerificationToken++;
9790
9791                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
9792
9793                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE,
9794                            installerPackageName);
9795
9796                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS,
9797                            installFlags);
9798
9799                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME,
9800                            pkgLite.packageName);
9801
9802                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE,
9803                            pkgLite.versionCode);
9804
9805                    if (verificationParams != null) {
9806                        if (verificationParams.getVerificationURI() != null) {
9807                           verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI,
9808                                 verificationParams.getVerificationURI());
9809                        }
9810                        if (verificationParams.getOriginatingURI() != null) {
9811                            verification.putExtra(Intent.EXTRA_ORIGINATING_URI,
9812                                  verificationParams.getOriginatingURI());
9813                        }
9814                        if (verificationParams.getReferrer() != null) {
9815                            verification.putExtra(Intent.EXTRA_REFERRER,
9816                                  verificationParams.getReferrer());
9817                        }
9818                        if (verificationParams.getOriginatingUid() >= 0) {
9819                            verification.putExtra(Intent.EXTRA_ORIGINATING_UID,
9820                                  verificationParams.getOriginatingUid());
9821                        }
9822                        if (verificationParams.getInstallerUid() >= 0) {
9823                            verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID,
9824                                  verificationParams.getInstallerUid());
9825                        }
9826                    }
9827
9828                    final PackageVerificationState verificationState = new PackageVerificationState(
9829                            requiredUid, args);
9830
9831                    mPendingVerification.append(verificationId, verificationState);
9832
9833                    final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite,
9834                            receivers, verificationState);
9835
9836                    /*
9837                     * If any sufficient verifiers were listed in the package
9838                     * manifest, attempt to ask them.
9839                     */
9840                    if (sufficientVerifiers != null) {
9841                        final int N = sufficientVerifiers.size();
9842                        if (N == 0) {
9843                            Slog.i(TAG, "Additional verifiers required, but none installed.");
9844                            ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
9845                        } else {
9846                            for (int i = 0; i < N; i++) {
9847                                final ComponentName verifierComponent = sufficientVerifiers.get(i);
9848
9849                                final Intent sufficientIntent = new Intent(verification);
9850                                sufficientIntent.setComponent(verifierComponent);
9851
9852                                mContext.sendBroadcastAsUser(sufficientIntent, getUser());
9853                            }
9854                        }
9855                    }
9856
9857                    final ComponentName requiredVerifierComponent = matchComponentForVerifier(
9858                            mRequiredVerifierPackage, receivers);
9859                    if (ret == PackageManager.INSTALL_SUCCEEDED
9860                            && mRequiredVerifierPackage != null) {
9861                        /*
9862                         * Send the intent to the required verification agent,
9863                         * but only start the verification timeout after the
9864                         * target BroadcastReceivers have run.
9865                         */
9866                        verification.setComponent(requiredVerifierComponent);
9867                        mContext.sendOrderedBroadcastAsUser(verification, getUser(),
9868                                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
9869                                new BroadcastReceiver() {
9870                                    @Override
9871                                    public void onReceive(Context context, Intent intent) {
9872                                        final Message msg = mHandler
9873                                                .obtainMessage(CHECK_PENDING_VERIFICATION);
9874                                        msg.arg1 = verificationId;
9875                                        mHandler.sendMessageDelayed(msg, getVerificationTimeout());
9876                                    }
9877                                }, null, 0, null, null);
9878
9879                        /*
9880                         * We don't want the copy to proceed until verification
9881                         * succeeds, so null out this field.
9882                         */
9883                        mArgs = null;
9884                    }
9885                } else {
9886                    /*
9887                     * No package verification is enabled, so immediately start
9888                     * the remote call to initiate copy using temporary file.
9889                     */
9890                    ret = args.copyApk(mContainerService, true);
9891                }
9892            }
9893
9894            mRet = ret;
9895        }
9896
9897        @Override
9898        void handleReturnCode() {
9899            // If mArgs is null, then MCS couldn't be reached. When it
9900            // reconnects, it will try again to install. At that point, this
9901            // will succeed.
9902            if (mArgs != null) {
9903                processPendingInstall(mArgs, mRet);
9904            }
9905        }
9906
9907        @Override
9908        void handleServiceError() {
9909            mArgs = createInstallArgs(this);
9910            mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
9911        }
9912
9913        public boolean isForwardLocked() {
9914            return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
9915        }
9916    }
9917
9918    /**
9919     * Used during creation of InstallArgs
9920     *
9921     * @param installFlags package installation flags
9922     * @return true if should be installed on external storage
9923     */
9924    private static boolean installOnExternalAsec(int installFlags) {
9925        if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) {
9926            return false;
9927        }
9928        if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) {
9929            return true;
9930        }
9931        return false;
9932    }
9933
9934    /**
9935     * Used during creation of InstallArgs
9936     *
9937     * @param installFlags package installation flags
9938     * @return true if should be installed as forward locked
9939     */
9940    private static boolean installForwardLocked(int installFlags) {
9941        return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
9942    }
9943
9944    private InstallArgs createInstallArgs(InstallParams params) {
9945        if (params.move != null) {
9946            return new MoveInstallArgs(params);
9947        } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) {
9948            return new AsecInstallArgs(params);
9949        } else {
9950            return new FileInstallArgs(params);
9951        }
9952    }
9953
9954    /**
9955     * Create args that describe an existing installed package. Typically used
9956     * when cleaning up old installs, or used as a move source.
9957     */
9958    private InstallArgs createInstallArgsForExisting(int installFlags, String codePath,
9959            String resourcePath, String[] instructionSets) {
9960        final boolean isInAsec;
9961        if (installOnExternalAsec(installFlags)) {
9962            /* Apps on SD card are always in ASEC containers. */
9963            isInAsec = true;
9964        } else if (installForwardLocked(installFlags)
9965                && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) {
9966            /*
9967             * Forward-locked apps are only in ASEC containers if they're the
9968             * new style
9969             */
9970            isInAsec = true;
9971        } else {
9972            isInAsec = false;
9973        }
9974
9975        if (isInAsec) {
9976            return new AsecInstallArgs(codePath, instructionSets,
9977                    installOnExternalAsec(installFlags), installForwardLocked(installFlags));
9978        } else {
9979            return new FileInstallArgs(codePath, resourcePath, instructionSets);
9980        }
9981    }
9982
9983    static abstract class InstallArgs {
9984        /** @see InstallParams#origin */
9985        final OriginInfo origin;
9986        /** @see InstallParams#move */
9987        final MoveInfo move;
9988
9989        final IPackageInstallObserver2 observer;
9990        // Always refers to PackageManager flags only
9991        final int installFlags;
9992        final String installerPackageName;
9993        final String volumeUuid;
9994        final ManifestDigest manifestDigest;
9995        final UserHandle user;
9996        final String abiOverride;
9997
9998        // The list of instruction sets supported by this app. This is currently
9999        // only used during the rmdex() phase to clean up resources. We can get rid of this
10000        // if we move dex files under the common app path.
10001        /* nullable */ String[] instructionSets;
10002
10003        InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer,
10004                int installFlags, String installerPackageName, String volumeUuid,
10005                ManifestDigest manifestDigest, UserHandle user, String[] instructionSets,
10006                String abiOverride) {
10007            this.origin = origin;
10008            this.move = move;
10009            this.installFlags = installFlags;
10010            this.observer = observer;
10011            this.installerPackageName = installerPackageName;
10012            this.volumeUuid = volumeUuid;
10013            this.manifestDigest = manifestDigest;
10014            this.user = user;
10015            this.instructionSets = instructionSets;
10016            this.abiOverride = abiOverride;
10017        }
10018
10019        abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException;
10020        abstract int doPreInstall(int status);
10021
10022        /**
10023         * Rename package into final resting place. All paths on the given
10024         * scanned package should be updated to reflect the rename.
10025         */
10026        abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath);
10027        abstract int doPostInstall(int status, int uid);
10028
10029        /** @see PackageSettingBase#codePathString */
10030        abstract String getCodePath();
10031        /** @see PackageSettingBase#resourcePathString */
10032        abstract String getResourcePath();
10033
10034        // Need installer lock especially for dex file removal.
10035        abstract void cleanUpResourcesLI();
10036        abstract boolean doPostDeleteLI(boolean delete);
10037
10038        /**
10039         * Called before the source arguments are copied. This is used mostly
10040         * for MoveParams when it needs to read the source file to put it in the
10041         * destination.
10042         */
10043        int doPreCopy() {
10044            return PackageManager.INSTALL_SUCCEEDED;
10045        }
10046
10047        /**
10048         * Called after the source arguments are copied. This is used mostly for
10049         * MoveParams when it needs to read the source file to put it in the
10050         * destination.
10051         *
10052         * @return
10053         */
10054        int doPostCopy(int uid) {
10055            return PackageManager.INSTALL_SUCCEEDED;
10056        }
10057
10058        protected boolean isFwdLocked() {
10059            return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
10060        }
10061
10062        protected boolean isExternalAsec() {
10063            return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0;
10064        }
10065
10066        UserHandle getUser() {
10067            return user;
10068        }
10069    }
10070
10071    private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) {
10072        if (!allCodePaths.isEmpty()) {
10073            if (instructionSets == null) {
10074                throw new IllegalStateException("instructionSet == null");
10075            }
10076            String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets);
10077            for (String codePath : allCodePaths) {
10078                for (String dexCodeInstructionSet : dexCodeInstructionSets) {
10079                    int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet);
10080                    if (retCode < 0) {
10081                        Slog.w(TAG, "Couldn't remove dex file for package: "
10082                                + " at location " + codePath + ", retcode=" + retCode);
10083                        // we don't consider this to be a failure of the core package deletion
10084                    }
10085                }
10086            }
10087        }
10088    }
10089
10090    /**
10091     * Logic to handle installation of non-ASEC applications, including copying
10092     * and renaming logic.
10093     */
10094    class FileInstallArgs extends InstallArgs {
10095        private File codeFile;
10096        private File resourceFile;
10097
10098        // Example topology:
10099        // /data/app/com.example/base.apk
10100        // /data/app/com.example/split_foo.apk
10101        // /data/app/com.example/lib/arm/libfoo.so
10102        // /data/app/com.example/lib/arm64/libfoo.so
10103        // /data/app/com.example/dalvik/arm/base.apk@classes.dex
10104
10105        /** New install */
10106        FileInstallArgs(InstallParams params) {
10107            super(params.origin, params.move, params.observer, params.installFlags,
10108                    params.installerPackageName, params.volumeUuid, params.getManifestDigest(),
10109                    params.getUser(), null /* instruction sets */, params.packageAbiOverride);
10110            if (isFwdLocked()) {
10111                throw new IllegalArgumentException("Forward locking only supported in ASEC");
10112            }
10113        }
10114
10115        /** Existing install */
10116        FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) {
10117            super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets,
10118                    null);
10119            this.codeFile = (codePath != null) ? new File(codePath) : null;
10120            this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null;
10121        }
10122
10123        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
10124            if (origin.staged) {
10125                Slog.d(TAG, origin.file + " already staged; skipping copy");
10126                codeFile = origin.file;
10127                resourceFile = origin.file;
10128                return PackageManager.INSTALL_SUCCEEDED;
10129            }
10130
10131            try {
10132                final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid);
10133                codeFile = tempDir;
10134                resourceFile = tempDir;
10135            } catch (IOException e) {
10136                Slog.w(TAG, "Failed to create copy file: " + e);
10137                return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
10138            }
10139
10140            final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() {
10141                @Override
10142                public ParcelFileDescriptor open(String name, int mode) throws RemoteException {
10143                    if (!FileUtils.isValidExtFilename(name)) {
10144                        throw new IllegalArgumentException("Invalid filename: " + name);
10145                    }
10146                    try {
10147                        final File file = new File(codeFile, name);
10148                        final FileDescriptor fd = Os.open(file.getAbsolutePath(),
10149                                O_RDWR | O_CREAT, 0644);
10150                        Os.chmod(file.getAbsolutePath(), 0644);
10151                        return new ParcelFileDescriptor(fd);
10152                    } catch (ErrnoException e) {
10153                        throw new RemoteException("Failed to open: " + e.getMessage());
10154                    }
10155                }
10156            };
10157
10158            int ret = PackageManager.INSTALL_SUCCEEDED;
10159            ret = imcs.copyPackage(origin.file.getAbsolutePath(), target);
10160            if (ret != PackageManager.INSTALL_SUCCEEDED) {
10161                Slog.e(TAG, "Failed to copy package");
10162                return ret;
10163            }
10164
10165            final File libraryRoot = new File(codeFile, LIB_DIR_NAME);
10166            NativeLibraryHelper.Handle handle = null;
10167            try {
10168                handle = NativeLibraryHelper.Handle.create(codeFile);
10169                ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot,
10170                        abiOverride);
10171            } catch (IOException e) {
10172                Slog.e(TAG, "Copying native libraries failed", e);
10173                ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
10174            } finally {
10175                IoUtils.closeQuietly(handle);
10176            }
10177
10178            return ret;
10179        }
10180
10181        int doPreInstall(int status) {
10182            if (status != PackageManager.INSTALL_SUCCEEDED) {
10183                cleanUp();
10184            }
10185            return status;
10186        }
10187
10188        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
10189            if (status != PackageManager.INSTALL_SUCCEEDED) {
10190                cleanUp();
10191                return false;
10192            }
10193
10194            final File targetDir = codeFile.getParentFile();
10195            final File beforeCodeFile = codeFile;
10196            final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName);
10197
10198            Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile);
10199            try {
10200                Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath());
10201            } catch (ErrnoException e) {
10202                Slog.d(TAG, "Failed to rename", e);
10203                return false;
10204            }
10205
10206            if (!SELinux.restoreconRecursive(afterCodeFile)) {
10207                Slog.d(TAG, "Failed to restorecon");
10208                return false;
10209            }
10210
10211            // Reflect the rename internally
10212            codeFile = afterCodeFile;
10213            resourceFile = afterCodeFile;
10214
10215            // Reflect the rename in scanned details
10216            pkg.codePath = afterCodeFile.getAbsolutePath();
10217            pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
10218                    pkg.baseCodePath);
10219            pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
10220                    pkg.splitCodePaths);
10221
10222            // Reflect the rename in app info
10223            pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
10224            pkg.applicationInfo.setCodePath(pkg.codePath);
10225            pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
10226            pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
10227            pkg.applicationInfo.setResourcePath(pkg.codePath);
10228            pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
10229            pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
10230
10231            return true;
10232        }
10233
10234        int doPostInstall(int status, int uid) {
10235            if (status != PackageManager.INSTALL_SUCCEEDED) {
10236                cleanUp();
10237            }
10238            return status;
10239        }
10240
10241        @Override
10242        String getCodePath() {
10243            return (codeFile != null) ? codeFile.getAbsolutePath() : null;
10244        }
10245
10246        @Override
10247        String getResourcePath() {
10248            return (resourceFile != null) ? resourceFile.getAbsolutePath() : null;
10249        }
10250
10251        private boolean cleanUp() {
10252            if (codeFile == null || !codeFile.exists()) {
10253                return false;
10254            }
10255
10256            if (codeFile.isDirectory()) {
10257                mInstaller.rmPackageDir(codeFile.getAbsolutePath());
10258            } else {
10259                codeFile.delete();
10260            }
10261
10262            if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) {
10263                resourceFile.delete();
10264            }
10265
10266            return true;
10267        }
10268
10269        void cleanUpResourcesLI() {
10270            // Try enumerating all code paths before deleting
10271            List<String> allCodePaths = Collections.EMPTY_LIST;
10272            if (codeFile != null && codeFile.exists()) {
10273                try {
10274                    final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0);
10275                    allCodePaths = pkg.getAllCodePaths();
10276                } catch (PackageParserException e) {
10277                    // Ignored; we tried our best
10278                }
10279            }
10280
10281            cleanUp();
10282            removeDexFiles(allCodePaths, instructionSets);
10283        }
10284
10285        boolean doPostDeleteLI(boolean delete) {
10286            // XXX err, shouldn't we respect the delete flag?
10287            cleanUpResourcesLI();
10288            return true;
10289        }
10290    }
10291
10292    private boolean isAsecExternal(String cid) {
10293        final String asecPath = PackageHelper.getSdFilesystem(cid);
10294        return !asecPath.startsWith(mAsecInternalPath);
10295    }
10296
10297    private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws
10298            PackageManagerException {
10299        if (copyRet < 0) {
10300            if (copyRet != PackageManager.NO_NATIVE_LIBRARIES &&
10301                    copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) {
10302                throw new PackageManagerException(copyRet, message);
10303            }
10304        }
10305    }
10306
10307    /**
10308     * Extract the MountService "container ID" from the full code path of an
10309     * .apk.
10310     */
10311    static String cidFromCodePath(String fullCodePath) {
10312        int eidx = fullCodePath.lastIndexOf("/");
10313        String subStr1 = fullCodePath.substring(0, eidx);
10314        int sidx = subStr1.lastIndexOf("/");
10315        return subStr1.substring(sidx+1, eidx);
10316    }
10317
10318    /**
10319     * Logic to handle installation of ASEC applications, including copying and
10320     * renaming logic.
10321     */
10322    class AsecInstallArgs extends InstallArgs {
10323        static final String RES_FILE_NAME = "pkg.apk";
10324        static final String PUBLIC_RES_FILE_NAME = "res.zip";
10325
10326        String cid;
10327        String packagePath;
10328        String resourcePath;
10329
10330        /** New install */
10331        AsecInstallArgs(InstallParams params) {
10332            super(params.origin, params.move, params.observer, params.installFlags,
10333                    params.installerPackageName, params.volumeUuid, params.getManifestDigest(),
10334                    params.getUser(), null /* instruction sets */, params.packageAbiOverride);
10335        }
10336
10337        /** Existing install */
10338        AsecInstallArgs(String fullCodePath, String[] instructionSets,
10339                        boolean isExternal, boolean isForwardLocked) {
10340            super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0)
10341                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null,
10342                    instructionSets, null);
10343            // Hackily pretend we're still looking at a full code path
10344            if (!fullCodePath.endsWith(RES_FILE_NAME)) {
10345                fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath();
10346            }
10347
10348            // Extract cid from fullCodePath
10349            int eidx = fullCodePath.lastIndexOf("/");
10350            String subStr1 = fullCodePath.substring(0, eidx);
10351            int sidx = subStr1.lastIndexOf("/");
10352            cid = subStr1.substring(sidx+1, eidx);
10353            setMountPath(subStr1);
10354        }
10355
10356        AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) {
10357            super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0)
10358                    | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null,
10359                    instructionSets, null);
10360            this.cid = cid;
10361            setMountPath(PackageHelper.getSdDir(cid));
10362        }
10363
10364        void createCopyFile() {
10365            cid = mInstallerService.allocateExternalStageCidLegacy();
10366        }
10367
10368        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
10369            if (origin.staged) {
10370                Slog.d(TAG, origin.cid + " already staged; skipping copy");
10371                cid = origin.cid;
10372                setMountPath(PackageHelper.getSdDir(cid));
10373                return PackageManager.INSTALL_SUCCEEDED;
10374            }
10375
10376            if (temp) {
10377                createCopyFile();
10378            } else {
10379                /*
10380                 * Pre-emptively destroy the container since it's destroyed if
10381                 * copying fails due to it existing anyway.
10382                 */
10383                PackageHelper.destroySdDir(cid);
10384            }
10385
10386            final String newMountPath = imcs.copyPackageToContainer(
10387                    origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(),
10388                    isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */));
10389
10390            if (newMountPath != null) {
10391                setMountPath(newMountPath);
10392                return PackageManager.INSTALL_SUCCEEDED;
10393            } else {
10394                return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
10395            }
10396        }
10397
10398        @Override
10399        String getCodePath() {
10400            return packagePath;
10401        }
10402
10403        @Override
10404        String getResourcePath() {
10405            return resourcePath;
10406        }
10407
10408        int doPreInstall(int status) {
10409            if (status != PackageManager.INSTALL_SUCCEEDED) {
10410                // Destroy container
10411                PackageHelper.destroySdDir(cid);
10412            } else {
10413                boolean mounted = PackageHelper.isContainerMounted(cid);
10414                if (!mounted) {
10415                    String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(),
10416                            Process.SYSTEM_UID);
10417                    if (newMountPath != null) {
10418                        setMountPath(newMountPath);
10419                    } else {
10420                        return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
10421                    }
10422                }
10423            }
10424            return status;
10425        }
10426
10427        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
10428            String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME);
10429            String newMountPath = null;
10430            if (PackageHelper.isContainerMounted(cid)) {
10431                // Unmount the container
10432                if (!PackageHelper.unMountSdDir(cid)) {
10433                    Slog.i(TAG, "Failed to unmount " + cid + " before renaming");
10434                    return false;
10435                }
10436            }
10437            if (!PackageHelper.renameSdDir(cid, newCacheId)) {
10438                Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId +
10439                        " which might be stale. Will try to clean up.");
10440                // Clean up the stale container and proceed to recreate.
10441                if (!PackageHelper.destroySdDir(newCacheId)) {
10442                    Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId);
10443                    return false;
10444                }
10445                // Successfully cleaned up stale container. Try to rename again.
10446                if (!PackageHelper.renameSdDir(cid, newCacheId)) {
10447                    Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId
10448                            + " inspite of cleaning it up.");
10449                    return false;
10450                }
10451            }
10452            if (!PackageHelper.isContainerMounted(newCacheId)) {
10453                Slog.w(TAG, "Mounting container " + newCacheId);
10454                newMountPath = PackageHelper.mountSdDir(newCacheId,
10455                        getEncryptKey(), Process.SYSTEM_UID);
10456            } else {
10457                newMountPath = PackageHelper.getSdDir(newCacheId);
10458            }
10459            if (newMountPath == null) {
10460                Slog.w(TAG, "Failed to get cache path for  " + newCacheId);
10461                return false;
10462            }
10463            Log.i(TAG, "Succesfully renamed " + cid +
10464                    " to " + newCacheId +
10465                    " at new path: " + newMountPath);
10466            cid = newCacheId;
10467
10468            final File beforeCodeFile = new File(packagePath);
10469            setMountPath(newMountPath);
10470            final File afterCodeFile = new File(packagePath);
10471
10472            // Reflect the rename in scanned details
10473            pkg.codePath = afterCodeFile.getAbsolutePath();
10474            pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
10475                    pkg.baseCodePath);
10476            pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile,
10477                    pkg.splitCodePaths);
10478
10479            // Reflect the rename in app info
10480            pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
10481            pkg.applicationInfo.setCodePath(pkg.codePath);
10482            pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
10483            pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
10484            pkg.applicationInfo.setResourcePath(pkg.codePath);
10485            pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
10486            pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
10487
10488            return true;
10489        }
10490
10491        private void setMountPath(String mountPath) {
10492            final File mountFile = new File(mountPath);
10493
10494            final File monolithicFile = new File(mountFile, RES_FILE_NAME);
10495            if (monolithicFile.exists()) {
10496                packagePath = monolithicFile.getAbsolutePath();
10497                if (isFwdLocked()) {
10498                    resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath();
10499                } else {
10500                    resourcePath = packagePath;
10501                }
10502            } else {
10503                packagePath = mountFile.getAbsolutePath();
10504                resourcePath = packagePath;
10505            }
10506        }
10507
10508        int doPostInstall(int status, int uid) {
10509            if (status != PackageManager.INSTALL_SUCCEEDED) {
10510                cleanUp();
10511            } else {
10512                final int groupOwner;
10513                final String protectedFile;
10514                if (isFwdLocked()) {
10515                    groupOwner = UserHandle.getSharedAppGid(uid);
10516                    protectedFile = RES_FILE_NAME;
10517                } else {
10518                    groupOwner = -1;
10519                    protectedFile = null;
10520                }
10521
10522                if (uid < Process.FIRST_APPLICATION_UID
10523                        || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) {
10524                    Slog.e(TAG, "Failed to finalize " + cid);
10525                    PackageHelper.destroySdDir(cid);
10526                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
10527                }
10528
10529                boolean mounted = PackageHelper.isContainerMounted(cid);
10530                if (!mounted) {
10531                    PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid());
10532                }
10533            }
10534            return status;
10535        }
10536
10537        private void cleanUp() {
10538            if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp");
10539
10540            // Destroy secure container
10541            PackageHelper.destroySdDir(cid);
10542        }
10543
10544        private List<String> getAllCodePaths() {
10545            final File codeFile = new File(getCodePath());
10546            if (codeFile != null && codeFile.exists()) {
10547                try {
10548                    final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0);
10549                    return pkg.getAllCodePaths();
10550                } catch (PackageParserException e) {
10551                    // Ignored; we tried our best
10552                }
10553            }
10554            return Collections.EMPTY_LIST;
10555        }
10556
10557        void cleanUpResourcesLI() {
10558            // Enumerate all code paths before deleting
10559            cleanUpResourcesLI(getAllCodePaths());
10560        }
10561
10562        private void cleanUpResourcesLI(List<String> allCodePaths) {
10563            cleanUp();
10564            removeDexFiles(allCodePaths, instructionSets);
10565        }
10566
10567        String getPackageName() {
10568            return getAsecPackageName(cid);
10569        }
10570
10571        boolean doPostDeleteLI(boolean delete) {
10572            if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete);
10573            final List<String> allCodePaths = getAllCodePaths();
10574            boolean mounted = PackageHelper.isContainerMounted(cid);
10575            if (mounted) {
10576                // Unmount first
10577                if (PackageHelper.unMountSdDir(cid)) {
10578                    mounted = false;
10579                }
10580            }
10581            if (!mounted && delete) {
10582                cleanUpResourcesLI(allCodePaths);
10583            }
10584            return !mounted;
10585        }
10586
10587        @Override
10588        int doPreCopy() {
10589            if (isFwdLocked()) {
10590                if (!PackageHelper.fixSdPermissions(cid,
10591                        getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) {
10592                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
10593                }
10594            }
10595
10596            return PackageManager.INSTALL_SUCCEEDED;
10597        }
10598
10599        @Override
10600        int doPostCopy(int uid) {
10601            if (isFwdLocked()) {
10602                if (uid < Process.FIRST_APPLICATION_UID
10603                        || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid),
10604                                RES_FILE_NAME)) {
10605                    Slog.e(TAG, "Failed to finalize " + cid);
10606                    PackageHelper.destroySdDir(cid);
10607                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
10608                }
10609            }
10610
10611            return PackageManager.INSTALL_SUCCEEDED;
10612        }
10613    }
10614
10615    /**
10616     * Logic to handle movement of existing installed applications.
10617     */
10618    class MoveInstallArgs extends InstallArgs {
10619        private File codeFile;
10620        private File resourceFile;
10621
10622        /** New install */
10623        MoveInstallArgs(InstallParams params) {
10624            super(params.origin, params.move, params.observer, params.installFlags,
10625                    params.installerPackageName, params.volumeUuid, params.getManifestDigest(),
10626                    params.getUser(), null /* instruction sets */, params.packageAbiOverride);
10627        }
10628
10629        int copyApk(IMediaContainerService imcs, boolean temp) {
10630            Slog.d(TAG, "Moving " + move.packageName + " from " + move.fromUuid + " to "
10631                    + move.toUuid);
10632            synchronized (mInstaller) {
10633                if (mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName,
10634                        move.dataAppName, move.appId, move.seinfo) != 0) {
10635                    return PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
10636                }
10637            }
10638
10639            codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName);
10640            resourceFile = codeFile;
10641            Slog.d(TAG, "codeFile after move is " + codeFile);
10642
10643            return PackageManager.INSTALL_SUCCEEDED;
10644        }
10645
10646        int doPreInstall(int status) {
10647            if (status != PackageManager.INSTALL_SUCCEEDED) {
10648                cleanUp();
10649            }
10650            return status;
10651        }
10652
10653        boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) {
10654            if (status != PackageManager.INSTALL_SUCCEEDED) {
10655                cleanUp();
10656                return false;
10657            }
10658
10659            // Reflect the move in app info
10660            pkg.applicationInfo.volumeUuid = pkg.volumeUuid;
10661            pkg.applicationInfo.setCodePath(pkg.codePath);
10662            pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath);
10663            pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths);
10664            pkg.applicationInfo.setResourcePath(pkg.codePath);
10665            pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath);
10666            pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths);
10667
10668            return true;
10669        }
10670
10671        int doPostInstall(int status, int uid) {
10672            if (status != PackageManager.INSTALL_SUCCEEDED) {
10673                cleanUp();
10674            }
10675            return status;
10676        }
10677
10678        @Override
10679        String getCodePath() {
10680            return (codeFile != null) ? codeFile.getAbsolutePath() : null;
10681        }
10682
10683        @Override
10684        String getResourcePath() {
10685            return (resourceFile != null) ? resourceFile.getAbsolutePath() : null;
10686        }
10687
10688        private boolean cleanUp() {
10689            if (codeFile == null || !codeFile.exists()) {
10690                return false;
10691            }
10692
10693            if (codeFile.isDirectory()) {
10694                mInstaller.rmPackageDir(codeFile.getAbsolutePath());
10695            } else {
10696                codeFile.delete();
10697            }
10698
10699            if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) {
10700                resourceFile.delete();
10701            }
10702
10703            return true;
10704        }
10705
10706        void cleanUpResourcesLI() {
10707            cleanUp();
10708        }
10709
10710        boolean doPostDeleteLI(boolean delete) {
10711            // XXX err, shouldn't we respect the delete flag?
10712            cleanUpResourcesLI();
10713            return true;
10714        }
10715    }
10716
10717    static String getAsecPackageName(String packageCid) {
10718        int idx = packageCid.lastIndexOf("-");
10719        if (idx == -1) {
10720            return packageCid;
10721        }
10722        return packageCid.substring(0, idx);
10723    }
10724
10725    // Utility method used to create code paths based on package name and available index.
10726    private static String getNextCodePath(String oldCodePath, String prefix, String suffix) {
10727        String idxStr = "";
10728        int idx = 1;
10729        // Fall back to default value of idx=1 if prefix is not
10730        // part of oldCodePath
10731        if (oldCodePath != null) {
10732            String subStr = oldCodePath;
10733            // Drop the suffix right away
10734            if (suffix != null && subStr.endsWith(suffix)) {
10735                subStr = subStr.substring(0, subStr.length() - suffix.length());
10736            }
10737            // If oldCodePath already contains prefix find out the
10738            // ending index to either increment or decrement.
10739            int sidx = subStr.lastIndexOf(prefix);
10740            if (sidx != -1) {
10741                subStr = subStr.substring(sidx + prefix.length());
10742                if (subStr != null) {
10743                    if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) {
10744                        subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length());
10745                    }
10746                    try {
10747                        idx = Integer.parseInt(subStr);
10748                        if (idx <= 1) {
10749                            idx++;
10750                        } else {
10751                            idx--;
10752                        }
10753                    } catch(NumberFormatException e) {
10754                    }
10755                }
10756            }
10757        }
10758        idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx);
10759        return prefix + idxStr;
10760    }
10761
10762    private File getNextCodePath(File targetDir, String packageName) {
10763        int suffix = 1;
10764        File result;
10765        do {
10766            result = new File(targetDir, packageName + "-" + suffix);
10767            suffix++;
10768        } while (result.exists());
10769        return result;
10770    }
10771
10772    // Utility method that returns the relative package path with respect
10773    // to the installation directory. Like say for /data/data/com.test-1.apk
10774    // string com.test-1 is returned.
10775    static String deriveCodePathName(String codePath) {
10776        if (codePath == null) {
10777            return null;
10778        }
10779        final File codeFile = new File(codePath);
10780        final String name = codeFile.getName();
10781        if (codeFile.isDirectory()) {
10782            return name;
10783        } else if (name.endsWith(".apk") || name.endsWith(".tmp")) {
10784            final int lastDot = name.lastIndexOf('.');
10785            return name.substring(0, lastDot);
10786        } else {
10787            Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK");
10788            return null;
10789        }
10790    }
10791
10792    class PackageInstalledInfo {
10793        String name;
10794        int uid;
10795        // The set of users that originally had this package installed.
10796        int[] origUsers;
10797        // The set of users that now have this package installed.
10798        int[] newUsers;
10799        PackageParser.Package pkg;
10800        int returnCode;
10801        String returnMsg;
10802        PackageRemovedInfo removedInfo;
10803
10804        public void setError(int code, String msg) {
10805            returnCode = code;
10806            returnMsg = msg;
10807            Slog.w(TAG, msg);
10808        }
10809
10810        public void setError(String msg, PackageParserException e) {
10811            returnCode = e.error;
10812            returnMsg = ExceptionUtils.getCompleteMessage(msg, e);
10813            Slog.w(TAG, msg, e);
10814        }
10815
10816        public void setError(String msg, PackageManagerException e) {
10817            returnCode = e.error;
10818            returnMsg = ExceptionUtils.getCompleteMessage(msg, e);
10819            Slog.w(TAG, msg, e);
10820        }
10821
10822        // In some error cases we want to convey more info back to the observer
10823        String origPackage;
10824        String origPermission;
10825    }
10826
10827    /*
10828     * Install a non-existing package.
10829     */
10830    private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags,
10831            UserHandle user, String installerPackageName, String volumeUuid,
10832            PackageInstalledInfo res) {
10833        // Remember this for later, in case we need to rollback this install
10834        String pkgName = pkg.packageName;
10835
10836        if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg);
10837        final boolean dataDirExists = PackageManager.getDataDirForUser(volumeUuid, pkgName,
10838                UserHandle.USER_OWNER).exists();
10839        synchronized(mPackages) {
10840            if (mSettings.mRenamedPackages.containsKey(pkgName)) {
10841                // A package with the same name is already installed, though
10842                // it has been renamed to an older name.  The package we
10843                // are trying to install should be installed as an update to
10844                // the existing one, but that has not been requested, so bail.
10845                res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
10846                        + " without first uninstalling package running as "
10847                        + mSettings.mRenamedPackages.get(pkgName));
10848                return;
10849            }
10850            if (mPackages.containsKey(pkgName)) {
10851                // Don't allow installation over an existing package with the same name.
10852                res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName
10853                        + " without first uninstalling.");
10854                return;
10855            }
10856        }
10857
10858        try {
10859            PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags,
10860                    System.currentTimeMillis(), user);
10861
10862            updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user);
10863            // delete the partially installed application. the data directory will have to be
10864            // restored if it was already existing
10865            if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
10866                // remove package from internal structures.  Note that we want deletePackageX to
10867                // delete the package data and cache directories that it created in
10868                // scanPackageLocked, unless those directories existed before we even tried to
10869                // install.
10870                deletePackageLI(pkgName, UserHandle.ALL, false, null, null,
10871                        dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0,
10872                                res.removedInfo, true);
10873            }
10874
10875        } catch (PackageManagerException e) {
10876            res.setError("Package couldn't be installed in " + pkg.codePath, e);
10877        }
10878    }
10879
10880    private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) {
10881        // Upgrade keysets are being used.  Determine if new package has a superset of the
10882        // required keys.
10883        long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets();
10884        KeySetManagerService ksms = mSettings.mKeySetManagerService;
10885        for (int i = 0; i < upgradeKeySets.length; i++) {
10886            Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]);
10887            if (newPkg.mSigningKeys.containsAll(upgradeSet)) {
10888                return true;
10889            }
10890        }
10891        return false;
10892    }
10893
10894    private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags,
10895            UserHandle user, String installerPackageName, String volumeUuid,
10896            PackageInstalledInfo res) {
10897        final PackageParser.Package oldPackage;
10898        final String pkgName = pkg.packageName;
10899        final int[] allUsers;
10900        final boolean[] perUserInstalled;
10901        final boolean weFroze;
10902
10903        // First find the old package info and check signatures
10904        synchronized(mPackages) {
10905            oldPackage = mPackages.get(pkgName);
10906            if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage);
10907            final PackageSetting ps = mSettings.mPackages.get(pkgName);
10908            if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) {
10909                // default to original signature matching
10910                if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures)
10911                    != PackageManager.SIGNATURE_MATCH) {
10912                    res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
10913                            "New package has a different signature: " + pkgName);
10914                    return;
10915                }
10916            } else {
10917                if(!checkUpgradeKeySetLP(ps, pkg)) {
10918                    res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE,
10919                            "New package not signed by keys specified by upgrade-keysets: "
10920                            + pkgName);
10921                    return;
10922                }
10923            }
10924
10925            // In case of rollback, remember per-user/profile install state
10926            allUsers = sUserManager.getUserIds();
10927            perUserInstalled = new boolean[allUsers.length];
10928            for (int i = 0; i < allUsers.length; i++) {
10929                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
10930            }
10931
10932            // Mark the app as frozen to prevent launching during the upgrade
10933            // process, and then kill all running instances
10934            if (!ps.frozen) {
10935                ps.frozen = true;
10936                weFroze = true;
10937            } else {
10938                weFroze = false;
10939            }
10940        }
10941
10942        // Now that we're guarded by frozen state, kill app during upgrade
10943        killApplication(pkgName, oldPackage.applicationInfo.uid, "replace pkg");
10944
10945        try {
10946            boolean sysPkg = (isSystemApp(oldPackage));
10947            if (sysPkg) {
10948                replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags,
10949                        user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res);
10950            } else {
10951                replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags,
10952                        user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res);
10953            }
10954        } finally {
10955            // Regardless of success or failure of upgrade steps above, always
10956            // unfreeze the package if we froze it
10957            if (weFroze) {
10958                unfreezePackage(pkgName);
10959            }
10960        }
10961    }
10962
10963    private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage,
10964            PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user,
10965            int[] allUsers, boolean[] perUserInstalled, String installerPackageName,
10966            String volumeUuid, PackageInstalledInfo res) {
10967        String pkgName = deletedPackage.packageName;
10968        boolean deletedPkg = true;
10969        boolean updatedSettings = false;
10970
10971        if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old="
10972                + deletedPackage);
10973        long origUpdateTime;
10974        if (pkg.mExtras != null) {
10975            origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime;
10976        } else {
10977            origUpdateTime = 0;
10978        }
10979
10980        // First delete the existing package while retaining the data directory
10981        if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA,
10982                res.removedInfo, true)) {
10983            // If the existing package wasn't successfully deleted
10984            res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI");
10985            deletedPkg = false;
10986        } else {
10987            // Successfully deleted the old package; proceed with replace.
10988
10989            // If deleted package lived in a container, give users a chance to
10990            // relinquish resources before killing.
10991            if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) {
10992                if (DEBUG_INSTALL) {
10993                    Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE");
10994                }
10995                final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid };
10996                final ArrayList<String> pkgList = new ArrayList<String>(1);
10997                pkgList.add(deletedPackage.applicationInfo.packageName);
10998                sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null);
10999            }
11000
11001            deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName);
11002            try {
11003                final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags,
11004                        scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user);
11005                updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers,
11006                        perUserInstalled, res, user);
11007                updatedSettings = true;
11008            } catch (PackageManagerException e) {
11009                res.setError("Package couldn't be installed in " + pkg.codePath, e);
11010            }
11011        }
11012
11013        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
11014            // remove package from internal structures.  Note that we want deletePackageX to
11015            // delete the package data and cache directories that it created in
11016            // scanPackageLocked, unless those directories existed before we even tried to
11017            // install.
11018            if(updatedSettings) {
11019                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName);
11020                deletePackageLI(
11021                        pkgName, null, true, allUsers, perUserInstalled,
11022                        PackageManager.DELETE_KEEP_DATA,
11023                                res.removedInfo, true);
11024            }
11025            // Since we failed to install the new package we need to restore the old
11026            // package that we deleted.
11027            if (deletedPkg) {
11028                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage);
11029                File restoreFile = new File(deletedPackage.codePath);
11030                // Parse old package
11031                boolean oldExternal = isExternal(deletedPackage);
11032                int oldParseFlags  = mDefParseFlags | PackageParser.PARSE_CHATTY |
11033                        (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) |
11034                        (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0);
11035                int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME;
11036                try {
11037                    scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null);
11038                } catch (PackageManagerException e) {
11039                    Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: "
11040                            + e.getMessage());
11041                    return;
11042                }
11043                // Restore of old package succeeded. Update permissions.
11044                // writer
11045                synchronized (mPackages) {
11046                    updatePermissionsLPw(deletedPackage.packageName, deletedPackage,
11047                            UPDATE_PERMISSIONS_ALL);
11048                    // can downgrade to reader
11049                    mSettings.writeLPr();
11050                }
11051                Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade");
11052            }
11053        }
11054    }
11055
11056    private void replaceSystemPackageLI(PackageParser.Package deletedPackage,
11057            PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user,
11058            int[] allUsers, boolean[] perUserInstalled, String installerPackageName,
11059            String volumeUuid, PackageInstalledInfo res) {
11060        if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg
11061                + ", old=" + deletedPackage);
11062        boolean disabledSystem = false;
11063        boolean updatedSettings = false;
11064        parseFlags |= PackageParser.PARSE_IS_SYSTEM;
11065        if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED)
11066                != 0) {
11067            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
11068        }
11069        String packageName = deletedPackage.packageName;
11070        if (packageName == null) {
11071            res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
11072                    "Attempt to delete null packageName.");
11073            return;
11074        }
11075        PackageParser.Package oldPkg;
11076        PackageSetting oldPkgSetting;
11077        // reader
11078        synchronized (mPackages) {
11079            oldPkg = mPackages.get(packageName);
11080            oldPkgSetting = mSettings.mPackages.get(packageName);
11081            if((oldPkg == null) || (oldPkg.applicationInfo == null) ||
11082                    (oldPkgSetting == null)) {
11083                res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE,
11084                        "Couldn't find package:" + packageName + " information");
11085                return;
11086            }
11087        }
11088
11089        res.removedInfo.uid = oldPkg.applicationInfo.uid;
11090        res.removedInfo.removedPackage = packageName;
11091        // Remove existing system package
11092        removePackageLI(oldPkgSetting, true);
11093        // writer
11094        synchronized (mPackages) {
11095            disabledSystem = mSettings.disableSystemPackageLPw(packageName);
11096            if (!disabledSystem && deletedPackage != null) {
11097                // We didn't need to disable the .apk as a current system package,
11098                // which means we are replacing another update that is already
11099                // installed.  We need to make sure to delete the older one's .apk.
11100                res.removedInfo.args = createInstallArgsForExisting(0,
11101                        deletedPackage.applicationInfo.getCodePath(),
11102                        deletedPackage.applicationInfo.getResourcePath(),
11103                        getAppDexInstructionSets(deletedPackage.applicationInfo));
11104            } else {
11105                res.removedInfo.args = null;
11106            }
11107        }
11108
11109        // Successfully disabled the old package. Now proceed with re-installation
11110        deleteCodeCacheDirsLI(pkg.volumeUuid, packageName);
11111
11112        res.returnCode = PackageManager.INSTALL_SUCCEEDED;
11113        pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
11114
11115        PackageParser.Package newPackage = null;
11116        try {
11117            newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user);
11118            if (newPackage.mExtras != null) {
11119                final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras;
11120                newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime;
11121                newPkgSetting.lastUpdateTime = System.currentTimeMillis();
11122
11123                // is the update attempting to change shared user? that isn't going to work...
11124                if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) {
11125                    res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE,
11126                            "Forbidding shared user change from " + oldPkgSetting.sharedUser
11127                            + " to " + newPkgSetting.sharedUser);
11128                    updatedSettings = true;
11129                }
11130            }
11131
11132            if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
11133                updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers,
11134                        perUserInstalled, res, user);
11135                updatedSettings = true;
11136            }
11137
11138        } catch (PackageManagerException e) {
11139            res.setError("Package couldn't be installed in " + pkg.codePath, e);
11140        }
11141
11142        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
11143            // Re installation failed. Restore old information
11144            // Remove new pkg information
11145            if (newPackage != null) {
11146                removeInstalledPackageLI(newPackage, true);
11147            }
11148            // Add back the old system package
11149            try {
11150                scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user);
11151            } catch (PackageManagerException e) {
11152                Slog.e(TAG, "Failed to restore original package: " + e.getMessage());
11153            }
11154            // Restore the old system information in Settings
11155            synchronized (mPackages) {
11156                if (disabledSystem) {
11157                    mSettings.enableSystemPackageLPw(packageName);
11158                }
11159                if (updatedSettings) {
11160                    mSettings.setInstallerPackageName(packageName,
11161                            oldPkgSetting.installerPackageName);
11162                }
11163                mSettings.writeLPr();
11164            }
11165        }
11166    }
11167
11168    private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName,
11169            String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res,
11170            UserHandle user) {
11171        String pkgName = newPackage.packageName;
11172        synchronized (mPackages) {
11173            //write settings. the installStatus will be incomplete at this stage.
11174            //note that the new package setting would have already been
11175            //added to mPackages. It hasn't been persisted yet.
11176            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE);
11177            mSettings.writeLPr();
11178        }
11179
11180        if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath);
11181
11182        synchronized (mPackages) {
11183            updatePermissionsLPw(newPackage.packageName, newPackage,
11184                    UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0
11185                            ? UPDATE_PERMISSIONS_ALL : 0));
11186            // For system-bundled packages, we assume that installing an upgraded version
11187            // of the package implies that the user actually wants to run that new code,
11188            // so we enable the package.
11189            PackageSetting ps = mSettings.mPackages.get(pkgName);
11190            if (ps != null) {
11191                if (isSystemApp(newPackage)) {
11192                    // NB: implicit assumption that system package upgrades apply to all users
11193                    if (DEBUG_INSTALL) {
11194                        Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName);
11195                    }
11196                    if (res.origUsers != null) {
11197                        for (int userHandle : res.origUsers) {
11198                            ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT,
11199                                    userHandle, installerPackageName);
11200                        }
11201                    }
11202                    // Also convey the prior install/uninstall state
11203                    if (allUsers != null && perUserInstalled != null) {
11204                        for (int i = 0; i < allUsers.length; i++) {
11205                            if (DEBUG_INSTALL) {
11206                                Slog.d(TAG, "    user " + allUsers[i]
11207                                        + " => " + perUserInstalled[i]);
11208                            }
11209                            ps.setInstalled(perUserInstalled[i], allUsers[i]);
11210                        }
11211                        // these install state changes will be persisted in the
11212                        // upcoming call to mSettings.writeLPr().
11213                    }
11214                }
11215                // It's implied that when a user requests installation, they want the app to be
11216                // installed and enabled.
11217                int userId = user.getIdentifier();
11218                if (userId != UserHandle.USER_ALL) {
11219                    ps.setInstalled(true, userId);
11220                    ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName);
11221                }
11222            }
11223            res.name = pkgName;
11224            res.uid = newPackage.applicationInfo.uid;
11225            res.pkg = newPackage;
11226            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE);
11227            mSettings.setInstallerPackageName(pkgName, installerPackageName);
11228            res.returnCode = PackageManager.INSTALL_SUCCEEDED;
11229            //to update install status
11230            mSettings.writeLPr();
11231        }
11232    }
11233
11234    private void installPackageLI(InstallArgs args, PackageInstalledInfo res) {
11235        final int installFlags = args.installFlags;
11236        final String installerPackageName = args.installerPackageName;
11237        final String volumeUuid = args.volumeUuid;
11238        final File tmpPackageFile = new File(args.getCodePath());
11239        final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0);
11240        final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0)
11241                || (args.volumeUuid != null));
11242        boolean replace = false;
11243        int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE;
11244        // Result object to be returned
11245        res.returnCode = PackageManager.INSTALL_SUCCEEDED;
11246
11247        if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile);
11248        // Retrieve PackageSettings and parse package
11249        final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY
11250                | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0)
11251                | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0);
11252        PackageParser pp = new PackageParser();
11253        pp.setSeparateProcesses(mSeparateProcesses);
11254        pp.setDisplayMetrics(mMetrics);
11255
11256        final PackageParser.Package pkg;
11257        try {
11258            pkg = pp.parsePackage(tmpPackageFile, parseFlags);
11259        } catch (PackageParserException e) {
11260            res.setError("Failed parse during installPackageLI", e);
11261            return;
11262        }
11263
11264        // Mark that we have an install time CPU ABI override.
11265        pkg.cpuAbiOverride = args.abiOverride;
11266
11267        String pkgName = res.name = pkg.packageName;
11268        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) {
11269            if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) {
11270                res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI");
11271                return;
11272            }
11273        }
11274
11275        try {
11276            pp.collectCertificates(pkg, parseFlags);
11277            pp.collectManifestDigest(pkg);
11278        } catch (PackageParserException e) {
11279            res.setError("Failed collect during installPackageLI", e);
11280            return;
11281        }
11282
11283        /* If the installer passed in a manifest digest, compare it now. */
11284        if (args.manifestDigest != null) {
11285            if (DEBUG_INSTALL) {
11286                final String parsedManifest = pkg.manifestDigest == null ? "null"
11287                        : pkg.manifestDigest.toString();
11288                Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. "
11289                        + parsedManifest);
11290            }
11291
11292            if (!args.manifestDigest.equals(pkg.manifestDigest)) {
11293                res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed");
11294                return;
11295            }
11296        } else if (DEBUG_INSTALL) {
11297            final String parsedManifest = pkg.manifestDigest == null
11298                    ? "null" : pkg.manifestDigest.toString();
11299            Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest);
11300        }
11301
11302        // Get rid of all references to package scan path via parser.
11303        pp = null;
11304        String oldCodePath = null;
11305        boolean systemApp = false;
11306        synchronized (mPackages) {
11307            // Check if installing already existing package
11308            if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
11309                String oldName = mSettings.mRenamedPackages.get(pkgName);
11310                if (pkg.mOriginalPackages != null
11311                        && pkg.mOriginalPackages.contains(oldName)
11312                        && mPackages.containsKey(oldName)) {
11313                    // This package is derived from an original package,
11314                    // and this device has been updating from that original
11315                    // name.  We must continue using the original name, so
11316                    // rename the new package here.
11317                    pkg.setPackageName(oldName);
11318                    pkgName = pkg.packageName;
11319                    replace = true;
11320                    if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName="
11321                            + oldName + " pkgName=" + pkgName);
11322                } else if (mPackages.containsKey(pkgName)) {
11323                    // This package, under its official name, already exists
11324                    // on the device; we should replace it.
11325                    replace = true;
11326                    if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName);
11327                }
11328            }
11329
11330            PackageSetting ps = mSettings.mPackages.get(pkgName);
11331            if (ps != null) {
11332                if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps);
11333
11334                // Quick sanity check that we're signed correctly if updating;
11335                // we'll check this again later when scanning, but we want to
11336                // bail early here before tripping over redefined permissions.
11337                if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) {
11338                    try {
11339                        verifySignaturesLP(ps, pkg);
11340                    } catch (PackageManagerException e) {
11341                        res.setError(e.error, e.getMessage());
11342                        return;
11343                    }
11344                } else {
11345                    if (!checkUpgradeKeySetLP(ps, pkg)) {
11346                        res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package "
11347                                + pkg.packageName + " upgrade keys do not match the "
11348                                + "previously installed version");
11349                        return;
11350                    }
11351                }
11352
11353                oldCodePath = mSettings.mPackages.get(pkgName).codePathString;
11354                if (ps.pkg != null && ps.pkg.applicationInfo != null) {
11355                    systemApp = (ps.pkg.applicationInfo.flags &
11356                            ApplicationInfo.FLAG_SYSTEM) != 0;
11357                }
11358                res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
11359            }
11360
11361            // Check whether the newly-scanned package wants to define an already-defined perm
11362            int N = pkg.permissions.size();
11363            for (int i = N-1; i >= 0; i--) {
11364                PackageParser.Permission perm = pkg.permissions.get(i);
11365                BasePermission bp = mSettings.mPermissions.get(perm.info.name);
11366                if (bp != null) {
11367                    // If the defining package is signed with our cert, it's okay.  This
11368                    // also includes the "updating the same package" case, of course.
11369                    // "updating same package" could also involve key-rotation.
11370                    final boolean sigsOk;
11371                    if (!bp.sourcePackage.equals(pkg.packageName)
11372                            || !(bp.packageSetting instanceof PackageSetting)
11373                            || !bp.packageSetting.keySetData.isUsingUpgradeKeySets()
11374                            || ((PackageSetting) bp.packageSetting).sharedUser != null) {
11375                        sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures,
11376                                pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
11377                    } else {
11378                        sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg);
11379                    }
11380                    if (!sigsOk) {
11381                        // If the owning package is the system itself, we log but allow
11382                        // install to proceed; we fail the install on all other permission
11383                        // redefinitions.
11384                        if (!bp.sourcePackage.equals("android")) {
11385                            res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package "
11386                                    + pkg.packageName + " attempting to redeclare permission "
11387                                    + perm.info.name + " already owned by " + bp.sourcePackage);
11388                            res.origPermission = perm.info.name;
11389                            res.origPackage = bp.sourcePackage;
11390                            return;
11391                        } else {
11392                            Slog.w(TAG, "Package " + pkg.packageName
11393                                    + " attempting to redeclare system permission "
11394                                    + perm.info.name + "; ignoring new declaration");
11395                            pkg.permissions.remove(i);
11396                        }
11397                    }
11398                }
11399            }
11400
11401        }
11402
11403        if (systemApp && onExternal) {
11404            // Disable updates to system apps on sdcard
11405            res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION,
11406                    "Cannot install updates to system apps on sdcard");
11407            return;
11408        }
11409
11410        if (args.move != null) {
11411            // We did an in-place move, so dex is ready to roll
11412            scanFlags |= SCAN_NO_DEX;
11413        } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) {
11414            // Enable SCAN_NO_DEX flag to skip dexopt at a later stage
11415            scanFlags |= SCAN_NO_DEX;
11416            // Run dexopt before old package gets removed, to minimize time when app is unavailable
11417            int result = mPackageDexOptimizer
11418                    .performDexOpt(pkg, null /* instruction sets */, true /* forceDex */,
11419                            false /* defer */, false /* inclDependencies */);
11420            if (result == PackageDexOptimizer.DEX_OPT_FAILED) {
11421                res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath);
11422                return;
11423            }
11424        }
11425
11426        if (!args.doRename(res.returnCode, pkg, oldCodePath)) {
11427            res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename");
11428            return;
11429        }
11430
11431        startIntentFilterVerifications(args.user.getIdentifier(), pkg);
11432
11433        if (replace) {
11434            replacePackageLI(pkg, parseFlags, scanFlags, args.user,
11435                    installerPackageName, volumeUuid, res);
11436        } else {
11437            installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES,
11438                    args.user, installerPackageName, volumeUuid, res);
11439        }
11440        synchronized (mPackages) {
11441            final PackageSetting ps = mSettings.mPackages.get(pkgName);
11442            if (ps != null) {
11443                res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
11444            }
11445        }
11446    }
11447
11448    private void startIntentFilterVerifications(int userId, PackageParser.Package pkg) {
11449        if (mIntentFilterVerifierComponent == null) {
11450            Slog.d(TAG, "No IntentFilter verification will not be done as "
11451                    + "there is no IntentFilterVerifier available!");
11452            return;
11453        }
11454
11455        final int verifierUid = getPackageUid(
11456                mIntentFilterVerifierComponent.getPackageName(),
11457                (userId == UserHandle.USER_ALL) ? UserHandle.USER_OWNER : userId);
11458
11459        mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS);
11460        final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS);
11461        msg.obj = pkg;
11462        msg.arg1 = userId;
11463        msg.arg2 = verifierUid;
11464
11465        mHandler.sendMessage(msg);
11466    }
11467
11468    private void verifyIntentFiltersIfNeeded(int userId, int verifierUid,
11469            PackageParser.Package pkg) {
11470        int size = pkg.activities.size();
11471        if (size == 0) {
11472            Slog.d(TAG, "No activity, so no need to verify any IntentFilter!");
11473            return;
11474        }
11475
11476        final boolean hasDomainURLs = hasDomainURLs(pkg);
11477        if (!hasDomainURLs) {
11478            Slog.d(TAG, "No domain URLs, so no need to verify any IntentFilter!");
11479            return;
11480        }
11481
11482        Slog.d(TAG, "Checking for userId:" + userId + " if any IntentFilter from the " + size
11483                + " Activities needs verification ...");
11484
11485        final int verificationId = mIntentFilterVerificationToken++;
11486        int count = 0;
11487        final String packageName = pkg.packageName;
11488        ArrayList<String> allHosts = new ArrayList<>();
11489
11490        synchronized (mPackages) {
11491            for (PackageParser.Activity a : pkg.activities) {
11492                for (ActivityIntentInfo filter : a.intents) {
11493                    boolean needsFilterVerification = filter.needsVerification();
11494                    if (needsFilterVerification && needsNetworkVerificationLPr(filter)) {
11495                        Slog.d(TAG, "Verification needed for IntentFilter:" + filter.toString());
11496                        mIntentFilterVerifier.addOneIntentFilterVerification(
11497                                verifierUid, userId, verificationId, filter, packageName);
11498                        count++;
11499                    } else if (!needsFilterVerification) {
11500                        Slog.d(TAG, "No verification needed for IntentFilter:" + filter.toString());
11501                        if (hasValidDomains(filter)) {
11502                            ArrayList<String> hosts = filter.getHostsList();
11503                            if (hosts.size() > 0) {
11504                                allHosts.addAll(hosts);
11505                            } else {
11506                                if (allHosts.isEmpty()) {
11507                                    allHosts.add("*");
11508                                }
11509                            }
11510                        }
11511                    } else {
11512                        Slog.d(TAG, "Verification already done for IntentFilter:"
11513                                + filter.toString());
11514                    }
11515                }
11516            }
11517        }
11518
11519        if (count > 0) {
11520            mIntentFilterVerifier.startVerifications(userId);
11521            Slog.d(TAG, "Started " + count + " IntentFilter verification"
11522                    + (count > 1 ? "s" : "") +  " for userId:" + userId + "!");
11523        } else {
11524            Slog.d(TAG, "No need to start any IntentFilter verification!");
11525            if (allHosts.size() > 0 && mSettings.createIntentFilterVerificationIfNeededLPw(
11526                    packageName, allHosts) != null) {
11527                scheduleWriteSettingsLocked();
11528            }
11529        }
11530    }
11531
11532    private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) {
11533        final ComponentName cn  = filter.activity.getComponentName();
11534        final String packageName = cn.getPackageName();
11535
11536        IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr(
11537                packageName);
11538        if (ivi == null) {
11539            return true;
11540        }
11541        int status = ivi.getStatus();
11542        switch (status) {
11543            case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED:
11544            case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK:
11545                return true;
11546
11547            default:
11548                // Nothing to do
11549                return false;
11550        }
11551    }
11552
11553    private static boolean isMultiArch(PackageSetting ps) {
11554        return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0;
11555    }
11556
11557    private static boolean isMultiArch(ApplicationInfo info) {
11558        return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0;
11559    }
11560
11561    private static boolean isExternal(PackageParser.Package pkg) {
11562        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
11563    }
11564
11565    private static boolean isExternal(PackageSetting ps) {
11566        return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
11567    }
11568
11569    private static boolean isExternal(ApplicationInfo info) {
11570        return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
11571    }
11572
11573    private static boolean isSystemApp(PackageParser.Package pkg) {
11574        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
11575    }
11576
11577    private static boolean isPrivilegedApp(PackageParser.Package pkg) {
11578        return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0;
11579    }
11580
11581    private static boolean hasDomainURLs(PackageParser.Package pkg) {
11582        return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0;
11583    }
11584
11585    private static boolean isSystemApp(PackageSetting ps) {
11586        return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0;
11587    }
11588
11589    private static boolean isUpdatedSystemApp(PackageSetting ps) {
11590        return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
11591    }
11592
11593    private int packageFlagsToInstallFlags(PackageSetting ps) {
11594        int installFlags = 0;
11595        if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) {
11596            // This existing package was an external ASEC install when we have
11597            // the external flag without a UUID
11598            installFlags |= PackageManager.INSTALL_EXTERNAL;
11599        }
11600        if (ps.isForwardLocked()) {
11601            installFlags |= PackageManager.INSTALL_FORWARD_LOCK;
11602        }
11603        return installFlags;
11604    }
11605
11606    private void deleteTempPackageFiles() {
11607        final FilenameFilter filter = new FilenameFilter() {
11608            public boolean accept(File dir, String name) {
11609                return name.startsWith("vmdl") && name.endsWith(".tmp");
11610            }
11611        };
11612        for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) {
11613            file.delete();
11614        }
11615    }
11616
11617    @Override
11618    public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId,
11619            int flags) {
11620        deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId,
11621                flags);
11622    }
11623
11624    @Override
11625    public void deletePackage(final String packageName,
11626            final IPackageDeleteObserver2 observer, final int userId, final int flags) {
11627        mContext.enforceCallingOrSelfPermission(
11628                android.Manifest.permission.DELETE_PACKAGES, null);
11629        final int uid = Binder.getCallingUid();
11630        if (UserHandle.getUserId(uid) != userId) {
11631            mContext.enforceCallingPermission(
11632                    android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
11633                    "deletePackage for user " + userId);
11634        }
11635        if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) {
11636            try {
11637                observer.onPackageDeleted(packageName,
11638                        PackageManager.DELETE_FAILED_USER_RESTRICTED, null);
11639            } catch (RemoteException re) {
11640            }
11641            return;
11642        }
11643
11644        boolean uninstallBlocked = false;
11645        if ((flags & PackageManager.DELETE_ALL_USERS) != 0) {
11646            int[] users = sUserManager.getUserIds();
11647            for (int i = 0; i < users.length; ++i) {
11648                if (getBlockUninstallForUser(packageName, users[i])) {
11649                    uninstallBlocked = true;
11650                    break;
11651                }
11652            }
11653        } else {
11654            uninstallBlocked = getBlockUninstallForUser(packageName, userId);
11655        }
11656        if (uninstallBlocked) {
11657            try {
11658                observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED,
11659                        null);
11660            } catch (RemoteException re) {
11661            }
11662            return;
11663        }
11664
11665        if (DEBUG_REMOVE) {
11666            Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId);
11667        }
11668        // Queue up an async operation since the package deletion may take a little while.
11669        mHandler.post(new Runnable() {
11670            public void run() {
11671                mHandler.removeCallbacks(this);
11672                final int returnCode = deletePackageX(packageName, userId, flags);
11673                if (observer != null) {
11674                    try {
11675                        observer.onPackageDeleted(packageName, returnCode, null);
11676                    } catch (RemoteException e) {
11677                        Log.i(TAG, "Observer no longer exists.");
11678                    } //end catch
11679                } //end if
11680            } //end run
11681        });
11682    }
11683
11684    private boolean isPackageDeviceAdmin(String packageName, int userId) {
11685        IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface(
11686                ServiceManager.getService(Context.DEVICE_POLICY_SERVICE));
11687        try {
11688            if (dpm != null) {
11689                if (dpm.isDeviceOwner(packageName)) {
11690                    return true;
11691                }
11692                int[] users;
11693                if (userId == UserHandle.USER_ALL) {
11694                    users = sUserManager.getUserIds();
11695                } else {
11696                    users = new int[]{userId};
11697                }
11698                for (int i = 0; i < users.length; ++i) {
11699                    if (dpm.packageHasActiveAdmins(packageName, users[i])) {
11700                        return true;
11701                    }
11702                }
11703            }
11704        } catch (RemoteException e) {
11705        }
11706        return false;
11707    }
11708
11709    /**
11710     *  This method is an internal method that could be get invoked either
11711     *  to delete an installed package or to clean up a failed installation.
11712     *  After deleting an installed package, a broadcast is sent to notify any
11713     *  listeners that the package has been installed. For cleaning up a failed
11714     *  installation, the broadcast is not necessary since the package's
11715     *  installation wouldn't have sent the initial broadcast either
11716     *  The key steps in deleting a package are
11717     *  deleting the package information in internal structures like mPackages,
11718     *  deleting the packages base directories through installd
11719     *  updating mSettings to reflect current status
11720     *  persisting settings for later use
11721     *  sending a broadcast if necessary
11722     */
11723    private int deletePackageX(String packageName, int userId, int flags) {
11724        final PackageRemovedInfo info = new PackageRemovedInfo();
11725        final boolean res;
11726
11727        final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0
11728                ? UserHandle.ALL : new UserHandle(userId);
11729
11730        if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) {
11731            Slog.w(TAG, "Not removing package " + packageName + ": has active device admin");
11732            return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER;
11733        }
11734
11735        boolean removedForAllUsers = false;
11736        boolean systemUpdate = false;
11737
11738        // for the uninstall-updates case and restricted profiles, remember the per-
11739        // userhandle installed state
11740        int[] allUsers;
11741        boolean[] perUserInstalled;
11742        synchronized (mPackages) {
11743            PackageSetting ps = mSettings.mPackages.get(packageName);
11744            allUsers = sUserManager.getUserIds();
11745            perUserInstalled = new boolean[allUsers.length];
11746            for (int i = 0; i < allUsers.length; i++) {
11747                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
11748            }
11749        }
11750
11751        synchronized (mInstallLock) {
11752            if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId);
11753            res = deletePackageLI(packageName, removeForUser,
11754                    true, allUsers, perUserInstalled,
11755                    flags | REMOVE_CHATTY, info, true);
11756            systemUpdate = info.isRemovedPackageSystemUpdate;
11757            if (res && !systemUpdate && mPackages.get(packageName) == null) {
11758                removedForAllUsers = true;
11759            }
11760            if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate
11761                    + " removedForAllUsers=" + removedForAllUsers);
11762        }
11763
11764        if (res) {
11765            info.sendBroadcast(true, systemUpdate, removedForAllUsers);
11766
11767            // If the removed package was a system update, the old system package
11768            // was re-enabled; we need to broadcast this information
11769            if (systemUpdate) {
11770                Bundle extras = new Bundle(1);
11771                extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0
11772                        ? info.removedAppId : info.uid);
11773                extras.putBoolean(Intent.EXTRA_REPLACING, true);
11774
11775                sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName,
11776                        extras, null, null, null);
11777                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName,
11778                        extras, null, null, null);
11779                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null,
11780                        null, packageName, null, null);
11781            }
11782        }
11783        // Force a gc here.
11784        Runtime.getRuntime().gc();
11785        // Delete the resources here after sending the broadcast to let
11786        // other processes clean up before deleting resources.
11787        if (info.args != null) {
11788            synchronized (mInstallLock) {
11789                info.args.doPostDeleteLI(true);
11790            }
11791        }
11792
11793        return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR;
11794    }
11795
11796    class PackageRemovedInfo {
11797        String removedPackage;
11798        int uid = -1;
11799        int removedAppId = -1;
11800        int[] removedUsers = null;
11801        boolean isRemovedPackageSystemUpdate = false;
11802        // Clean up resources deleted packages.
11803        InstallArgs args = null;
11804
11805        void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) {
11806            Bundle extras = new Bundle(1);
11807            extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid);
11808            extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove);
11809            if (replacing) {
11810                extras.putBoolean(Intent.EXTRA_REPLACING, true);
11811            }
11812            extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers);
11813            if (removedPackage != null) {
11814                sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
11815                        extras, null, null, removedUsers);
11816                if (fullRemove && !replacing) {
11817                    sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage,
11818                            extras, null, null, removedUsers);
11819                }
11820            }
11821            if (removedAppId >= 0) {
11822                sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null,
11823                        removedUsers);
11824            }
11825        }
11826    }
11827
11828    /*
11829     * This method deletes the package from internal data structures. If the DONT_DELETE_DATA
11830     * flag is not set, the data directory is removed as well.
11831     * make sure this flag is set for partially installed apps. If not its meaningless to
11832     * delete a partially installed application.
11833     */
11834    private void removePackageDataLI(PackageSetting ps,
11835            int[] allUserHandles, boolean[] perUserInstalled,
11836            PackageRemovedInfo outInfo, int flags, boolean writeSettings) {
11837        String packageName = ps.name;
11838        if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps);
11839        removePackageLI(ps, (flags&REMOVE_CHATTY) != 0);
11840        // Retrieve object to delete permissions for shared user later on
11841        final PackageSetting deletedPs;
11842        // reader
11843        synchronized (mPackages) {
11844            deletedPs = mSettings.mPackages.get(packageName);
11845            if (outInfo != null) {
11846                outInfo.removedPackage = packageName;
11847                outInfo.removedUsers = deletedPs != null
11848                        ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true)
11849                        : null;
11850            }
11851        }
11852        if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
11853            removeDataDirsLI(ps.volumeUuid, packageName);
11854            schedulePackageCleaning(packageName, UserHandle.USER_ALL, true);
11855        }
11856        // writer
11857        synchronized (mPackages) {
11858            if (deletedPs != null) {
11859                if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
11860                    if (outInfo != null) {
11861                        mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName);
11862                        outInfo.removedAppId = mSettings.removePackageLPw(packageName);
11863                    }
11864                    updatePermissionsLPw(deletedPs.name, null, 0);
11865                    if (deletedPs.sharedUser != null) {
11866                        // Remove permissions associated with package. Since runtime
11867                        // permissions are per user we have to kill the removed package
11868                        // or packages running under the shared user of the removed
11869                        // package if revoking the permissions requested only by the removed
11870                        // package is successful and this causes a change in gids.
11871                        for (int userId : UserManagerService.getInstance().getUserIds()) {
11872                            final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs,
11873                                    userId);
11874                            if (userIdToKill == UserHandle.USER_ALL
11875                                    || userIdToKill >= UserHandle.USER_OWNER) {
11876                                // If gids changed for this user, kill all affected packages.
11877                                mHandler.post(new Runnable() {
11878                                    @Override
11879                                    public void run() {
11880                                        // This has to happen with no lock held.
11881                                        killSettingPackagesForUser(deletedPs, userIdToKill,
11882                                                KILL_APP_REASON_GIDS_CHANGED);
11883                                    }
11884                                });
11885                            break;
11886                            }
11887                        }
11888                    }
11889                    clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL);
11890                    clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL);
11891                }
11892                // make sure to preserve per-user disabled state if this removal was just
11893                // a downgrade of a system app to the factory package
11894                if (allUserHandles != null && perUserInstalled != null) {
11895                    if (DEBUG_REMOVE) {
11896                        Slog.d(TAG, "Propagating install state across downgrade");
11897                    }
11898                    for (int i = 0; i < allUserHandles.length; i++) {
11899                        if (DEBUG_REMOVE) {
11900                            Slog.d(TAG, "    user " + allUserHandles[i]
11901                                    + " => " + perUserInstalled[i]);
11902                        }
11903                        ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
11904                    }
11905                }
11906            }
11907            // can downgrade to reader
11908            if (writeSettings) {
11909                // Save settings now
11910                mSettings.writeLPr();
11911            }
11912        }
11913        if (outInfo != null) {
11914            // A user ID was deleted here. Go through all users and remove it
11915            // from KeyStore.
11916            removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId);
11917        }
11918    }
11919
11920    static boolean locationIsPrivileged(File path) {
11921        try {
11922            final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app")
11923                    .getCanonicalPath();
11924            return path.getCanonicalPath().startsWith(privilegedAppDir);
11925        } catch (IOException e) {
11926            Slog.e(TAG, "Unable to access code path " + path);
11927        }
11928        return false;
11929    }
11930
11931    /*
11932     * Tries to delete system package.
11933     */
11934    private boolean deleteSystemPackageLI(PackageSetting newPs,
11935            int[] allUserHandles, boolean[] perUserInstalled,
11936            int flags, PackageRemovedInfo outInfo, boolean writeSettings) {
11937        final boolean applyUserRestrictions
11938                = (allUserHandles != null) && (perUserInstalled != null);
11939        PackageSetting disabledPs = null;
11940        // Confirm if the system package has been updated
11941        // An updated system app can be deleted. This will also have to restore
11942        // the system pkg from system partition
11943        // reader
11944        synchronized (mPackages) {
11945            disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name);
11946        }
11947        if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs
11948                + " disabledPs=" + disabledPs);
11949        if (disabledPs == null) {
11950            Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name);
11951            return false;
11952        } else if (DEBUG_REMOVE) {
11953            Slog.d(TAG, "Deleting system pkg from data partition");
11954        }
11955        if (DEBUG_REMOVE) {
11956            if (applyUserRestrictions) {
11957                Slog.d(TAG, "Remembering install states:");
11958                for (int i = 0; i < allUserHandles.length; i++) {
11959                    Slog.d(TAG, "   u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]);
11960                }
11961            }
11962        }
11963        // Delete the updated package
11964        outInfo.isRemovedPackageSystemUpdate = true;
11965        if (disabledPs.versionCode < newPs.versionCode) {
11966            // Delete data for downgrades
11967            flags &= ~PackageManager.DELETE_KEEP_DATA;
11968        } else {
11969            // Preserve data by setting flag
11970            flags |= PackageManager.DELETE_KEEP_DATA;
11971        }
11972        boolean ret = deleteInstalledPackageLI(newPs, true, flags,
11973                allUserHandles, perUserInstalled, outInfo, writeSettings);
11974        if (!ret) {
11975            return false;
11976        }
11977        // writer
11978        synchronized (mPackages) {
11979            // Reinstate the old system package
11980            mSettings.enableSystemPackageLPw(newPs.name);
11981            // Remove any native libraries from the upgraded package.
11982            NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString);
11983        }
11984        // Install the system package
11985        if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs);
11986        int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM;
11987        if (locationIsPrivileged(disabledPs.codePath)) {
11988            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
11989        }
11990
11991        final PackageParser.Package newPkg;
11992        try {
11993            newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null);
11994        } catch (PackageManagerException e) {
11995            Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage());
11996            return false;
11997        }
11998
11999        // writer
12000        synchronized (mPackages) {
12001            PackageSetting ps = mSettings.mPackages.get(newPkg.packageName);
12002            updatePermissionsLPw(newPkg.packageName, newPkg,
12003                    UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG);
12004            if (applyUserRestrictions) {
12005                if (DEBUG_REMOVE) {
12006                    Slog.d(TAG, "Propagating install state across reinstall");
12007                }
12008                for (int i = 0; i < allUserHandles.length; i++) {
12009                    if (DEBUG_REMOVE) {
12010                        Slog.d(TAG, "    user " + allUserHandles[i]
12011                                + " => " + perUserInstalled[i]);
12012                    }
12013                    ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
12014                }
12015                // Regardless of writeSettings we need to ensure that this restriction
12016                // state propagation is persisted
12017                mSettings.writeAllUsersPackageRestrictionsLPr();
12018            }
12019            // can downgrade to reader here
12020            if (writeSettings) {
12021                mSettings.writeLPr();
12022            }
12023        }
12024        return true;
12025    }
12026
12027    private boolean deleteInstalledPackageLI(PackageSetting ps,
12028            boolean deleteCodeAndResources, int flags,
12029            int[] allUserHandles, boolean[] perUserInstalled,
12030            PackageRemovedInfo outInfo, boolean writeSettings) {
12031        if (outInfo != null) {
12032            outInfo.uid = ps.appId;
12033        }
12034
12035        // Delete package data from internal structures and also remove data if flag is set
12036        removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings);
12037
12038        // Delete application code and resources
12039        if (deleteCodeAndResources && (outInfo != null)) {
12040            outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps),
12041                    ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps));
12042            if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args);
12043        }
12044        return true;
12045    }
12046
12047    @Override
12048    public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall,
12049            int userId) {
12050        mContext.enforceCallingOrSelfPermission(
12051                android.Manifest.permission.DELETE_PACKAGES, null);
12052        synchronized (mPackages) {
12053            PackageSetting ps = mSettings.mPackages.get(packageName);
12054            if (ps == null) {
12055                Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName);
12056                return false;
12057            }
12058            if (!ps.getInstalled(userId)) {
12059                // Can't block uninstall for an app that is not installed or enabled.
12060                Log.i(TAG, "Package not installed in set block uninstall " + packageName);
12061                return false;
12062            }
12063            ps.setBlockUninstall(blockUninstall, userId);
12064            mSettings.writePackageRestrictionsLPr(userId);
12065        }
12066        return true;
12067    }
12068
12069    @Override
12070    public boolean getBlockUninstallForUser(String packageName, int userId) {
12071        synchronized (mPackages) {
12072            PackageSetting ps = mSettings.mPackages.get(packageName);
12073            if (ps == null) {
12074                Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName);
12075                return false;
12076            }
12077            return ps.getBlockUninstall(userId);
12078        }
12079    }
12080
12081    /*
12082     * This method handles package deletion in general
12083     */
12084    private boolean deletePackageLI(String packageName, UserHandle user,
12085            boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled,
12086            int flags, PackageRemovedInfo outInfo,
12087            boolean writeSettings) {
12088        if (packageName == null) {
12089            Slog.w(TAG, "Attempt to delete null packageName.");
12090            return false;
12091        }
12092        if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user);
12093        PackageSetting ps;
12094        boolean dataOnly = false;
12095        int removeUser = -1;
12096        int appId = -1;
12097        synchronized (mPackages) {
12098            ps = mSettings.mPackages.get(packageName);
12099            if (ps == null) {
12100                Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
12101                return false;
12102            }
12103            if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null
12104                    && user.getIdentifier() != UserHandle.USER_ALL) {
12105                // The caller is asking that the package only be deleted for a single
12106                // user.  To do this, we just mark its uninstalled state and delete
12107                // its data.  If this is a system app, we only allow this to happen if
12108                // they have set the special DELETE_SYSTEM_APP which requests different
12109                // semantics than normal for uninstalling system apps.
12110                if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user");
12111                ps.setUserState(user.getIdentifier(),
12112                        COMPONENT_ENABLED_STATE_DEFAULT,
12113                        false, //installed
12114                        true,  //stopped
12115                        true,  //notLaunched
12116                        false, //hidden
12117                        null, null, null,
12118                        false, // blockUninstall
12119                        INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED);
12120                if (!isSystemApp(ps)) {
12121                    if (ps.isAnyInstalled(sUserManager.getUserIds())) {
12122                        // Other user still have this package installed, so all
12123                        // we need to do is clear this user's data and save that
12124                        // it is uninstalled.
12125                        if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users");
12126                        removeUser = user.getIdentifier();
12127                        appId = ps.appId;
12128                        scheduleWritePackageRestrictionsLocked(removeUser);
12129                    } else {
12130                        // We need to set it back to 'installed' so the uninstall
12131                        // broadcasts will be sent correctly.
12132                        if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete");
12133                        ps.setInstalled(true, user.getIdentifier());
12134                    }
12135                } else {
12136                    // This is a system app, so we assume that the
12137                    // other users still have this package installed, so all
12138                    // we need to do is clear this user's data and save that
12139                    // it is uninstalled.
12140                    if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app");
12141                    removeUser = user.getIdentifier();
12142                    appId = ps.appId;
12143                    scheduleWritePackageRestrictionsLocked(removeUser);
12144                }
12145            }
12146        }
12147
12148        if (removeUser >= 0) {
12149            // From above, we determined that we are deleting this only
12150            // for a single user.  Continue the work here.
12151            if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser);
12152            if (outInfo != null) {
12153                outInfo.removedPackage = packageName;
12154                outInfo.removedAppId = appId;
12155                outInfo.removedUsers = new int[] {removeUser};
12156            }
12157            mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser);
12158            removeKeystoreDataIfNeeded(removeUser, appId);
12159            schedulePackageCleaning(packageName, removeUser, false);
12160            synchronized (mPackages) {
12161                if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) {
12162                    scheduleWritePackageRestrictionsLocked(removeUser);
12163                }
12164            }
12165            return true;
12166        }
12167
12168        if (dataOnly) {
12169            // Delete application data first
12170            if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only");
12171            removePackageDataLI(ps, null, null, outInfo, flags, writeSettings);
12172            return true;
12173        }
12174
12175        boolean ret = false;
12176        if (isSystemApp(ps)) {
12177            if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name);
12178            // When an updated system application is deleted we delete the existing resources as well and
12179            // fall back to existing code in system partition
12180            ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled,
12181                    flags, outInfo, writeSettings);
12182        } else {
12183            if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name);
12184            // Kill application pre-emptively especially for apps on sd.
12185            killApplication(packageName, ps.appId, "uninstall pkg");
12186            ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags,
12187                    allUserHandles, perUserInstalled,
12188                    outInfo, writeSettings);
12189        }
12190
12191        return ret;
12192    }
12193
12194    private final class ClearStorageConnection implements ServiceConnection {
12195        IMediaContainerService mContainerService;
12196
12197        @Override
12198        public void onServiceConnected(ComponentName name, IBinder service) {
12199            synchronized (this) {
12200                mContainerService = IMediaContainerService.Stub.asInterface(service);
12201                notifyAll();
12202            }
12203        }
12204
12205        @Override
12206        public void onServiceDisconnected(ComponentName name) {
12207        }
12208    }
12209
12210    private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) {
12211        final boolean mounted;
12212        if (Environment.isExternalStorageEmulated()) {
12213            mounted = true;
12214        } else {
12215            final String status = Environment.getExternalStorageState();
12216
12217            mounted = status.equals(Environment.MEDIA_MOUNTED)
12218                    || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY);
12219        }
12220
12221        if (!mounted) {
12222            return;
12223        }
12224
12225        final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
12226        int[] users;
12227        if (userId == UserHandle.USER_ALL) {
12228            users = sUserManager.getUserIds();
12229        } else {
12230            users = new int[] { userId };
12231        }
12232        final ClearStorageConnection conn = new ClearStorageConnection();
12233        if (mContext.bindServiceAsUser(
12234                containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) {
12235            try {
12236                for (int curUser : users) {
12237                    long timeout = SystemClock.uptimeMillis() + 5000;
12238                    synchronized (conn) {
12239                        long now = SystemClock.uptimeMillis();
12240                        while (conn.mContainerService == null && now < timeout) {
12241                            try {
12242                                conn.wait(timeout - now);
12243                            } catch (InterruptedException e) {
12244                            }
12245                        }
12246                    }
12247                    if (conn.mContainerService == null) {
12248                        return;
12249                    }
12250
12251                    final UserEnvironment userEnv = new UserEnvironment(curUser);
12252                    clearDirectory(conn.mContainerService,
12253                            userEnv.buildExternalStorageAppCacheDirs(packageName));
12254                    if (allData) {
12255                        clearDirectory(conn.mContainerService,
12256                                userEnv.buildExternalStorageAppDataDirs(packageName));
12257                        clearDirectory(conn.mContainerService,
12258                                userEnv.buildExternalStorageAppMediaDirs(packageName));
12259                    }
12260                }
12261            } finally {
12262                mContext.unbindService(conn);
12263            }
12264        }
12265    }
12266
12267    @Override
12268    public void clearApplicationUserData(final String packageName,
12269            final IPackageDataObserver observer, final int userId) {
12270        mContext.enforceCallingOrSelfPermission(
12271                android.Manifest.permission.CLEAR_APP_USER_DATA, null);
12272        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data");
12273        // Queue up an async operation since the package deletion may take a little while.
12274        mHandler.post(new Runnable() {
12275            public void run() {
12276                mHandler.removeCallbacks(this);
12277                final boolean succeeded;
12278                synchronized (mInstallLock) {
12279                    succeeded = clearApplicationUserDataLI(packageName, userId);
12280                }
12281                clearExternalStorageDataSync(packageName, userId, true);
12282                if (succeeded) {
12283                    // invoke DeviceStorageMonitor's update method to clear any notifications
12284                    DeviceStorageMonitorInternal
12285                            dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
12286                    if (dsm != null) {
12287                        dsm.checkMemory();
12288                    }
12289                }
12290                if(observer != null) {
12291                    try {
12292                        observer.onRemoveCompleted(packageName, succeeded);
12293                    } catch (RemoteException e) {
12294                        Log.i(TAG, "Observer no longer exists.");
12295                    }
12296                } //end if observer
12297            } //end run
12298        });
12299    }
12300
12301    private boolean clearApplicationUserDataLI(String packageName, int userId) {
12302        if (packageName == null) {
12303            Slog.w(TAG, "Attempt to delete null packageName.");
12304            return false;
12305        }
12306
12307        // Try finding details about the requested package
12308        PackageParser.Package pkg;
12309        synchronized (mPackages) {
12310            pkg = mPackages.get(packageName);
12311            if (pkg == null) {
12312                final PackageSetting ps = mSettings.mPackages.get(packageName);
12313                if (ps != null) {
12314                    pkg = ps.pkg;
12315                }
12316            }
12317        }
12318
12319        if (pkg == null) {
12320            Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
12321        }
12322
12323        // Always delete data directories for package, even if we found no other
12324        // record of app. This helps users recover from UID mismatches without
12325        // resorting to a full data wipe.
12326        int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId);
12327        if (retCode < 0) {
12328            Slog.w(TAG, "Couldn't remove cache files for package: " + packageName);
12329            return false;
12330        }
12331
12332        if (pkg == null) {
12333            return false;
12334        }
12335
12336        if (pkg != null && pkg.applicationInfo != null) {
12337            final int appId = pkg.applicationInfo.uid;
12338            removeKeystoreDataIfNeeded(userId, appId);
12339        }
12340
12341        // Create a native library symlink only if we have native libraries
12342        // and if the native libraries are 32 bit libraries. We do not provide
12343        // this symlink for 64 bit libraries.
12344        if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null &&
12345                !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) {
12346            final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir;
12347            if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName,
12348                    nativeLibPath, userId) < 0) {
12349                Slog.w(TAG, "Failed linking native library dir");
12350                return false;
12351            }
12352        }
12353
12354        return true;
12355    }
12356
12357    /**
12358     * Remove entries from the keystore daemon. Will only remove it if the
12359     * {@code appId} is valid.
12360     */
12361    private static void removeKeystoreDataIfNeeded(int userId, int appId) {
12362        if (appId < 0) {
12363            return;
12364        }
12365
12366        final KeyStore keyStore = KeyStore.getInstance();
12367        if (keyStore != null) {
12368            if (userId == UserHandle.USER_ALL) {
12369                for (final int individual : sUserManager.getUserIds()) {
12370                    keyStore.clearUid(UserHandle.getUid(individual, appId));
12371                }
12372            } else {
12373                keyStore.clearUid(UserHandle.getUid(userId, appId));
12374            }
12375        } else {
12376            Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId);
12377        }
12378    }
12379
12380    @Override
12381    public void deleteApplicationCacheFiles(final String packageName,
12382            final IPackageDataObserver observer) {
12383        mContext.enforceCallingOrSelfPermission(
12384                android.Manifest.permission.DELETE_CACHE_FILES, null);
12385        // Queue up an async operation since the package deletion may take a little while.
12386        final int userId = UserHandle.getCallingUserId();
12387        mHandler.post(new Runnable() {
12388            public void run() {
12389                mHandler.removeCallbacks(this);
12390                final boolean succeded;
12391                synchronized (mInstallLock) {
12392                    succeded = deleteApplicationCacheFilesLI(packageName, userId);
12393                }
12394                clearExternalStorageDataSync(packageName, userId, false);
12395                if(observer != null) {
12396                    try {
12397                        observer.onRemoveCompleted(packageName, succeded);
12398                    } catch (RemoteException e) {
12399                        Log.i(TAG, "Observer no longer exists.");
12400                    }
12401                } //end if observer
12402            } //end run
12403        });
12404    }
12405
12406    private boolean deleteApplicationCacheFilesLI(String packageName, int userId) {
12407        if (packageName == null) {
12408            Slog.w(TAG, "Attempt to delete null packageName.");
12409            return false;
12410        }
12411        PackageParser.Package p;
12412        synchronized (mPackages) {
12413            p = mPackages.get(packageName);
12414        }
12415        if (p == null) {
12416            Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
12417            return false;
12418        }
12419        final ApplicationInfo applicationInfo = p.applicationInfo;
12420        if (applicationInfo == null) {
12421            Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
12422            return false;
12423        }
12424        int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId);
12425        if (retCode < 0) {
12426            Slog.w(TAG, "Couldn't remove cache files for package: "
12427                       + packageName + " u" + userId);
12428            return false;
12429        }
12430        return true;
12431    }
12432
12433    @Override
12434    public void getPackageSizeInfo(final String packageName, int userHandle,
12435            final IPackageStatsObserver observer) {
12436        mContext.enforceCallingOrSelfPermission(
12437                android.Manifest.permission.GET_PACKAGE_SIZE, null);
12438        if (packageName == null) {
12439            throw new IllegalArgumentException("Attempt to get size of null packageName");
12440        }
12441
12442        PackageStats stats = new PackageStats(packageName, userHandle);
12443
12444        /*
12445         * Queue up an async operation since the package measurement may take a
12446         * little while.
12447         */
12448        Message msg = mHandler.obtainMessage(INIT_COPY);
12449        msg.obj = new MeasureParams(stats, observer);
12450        mHandler.sendMessage(msg);
12451    }
12452
12453    private boolean getPackageSizeInfoLI(String packageName, int userHandle,
12454            PackageStats pStats) {
12455        if (packageName == null) {
12456            Slog.w(TAG, "Attempt to get size of null packageName.");
12457            return false;
12458        }
12459        PackageParser.Package p;
12460        boolean dataOnly = false;
12461        String libDirRoot = null;
12462        String asecPath = null;
12463        PackageSetting ps = null;
12464        synchronized (mPackages) {
12465            p = mPackages.get(packageName);
12466            ps = mSettings.mPackages.get(packageName);
12467            if(p == null) {
12468                dataOnly = true;
12469                if((ps == null) || (ps.pkg == null)) {
12470                    Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
12471                    return false;
12472                }
12473                p = ps.pkg;
12474            }
12475            if (ps != null) {
12476                libDirRoot = ps.legacyNativeLibraryPathString;
12477            }
12478            if (p != null && (isExternal(p) || p.isForwardLocked())) {
12479                String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath());
12480                if (secureContainerId != null) {
12481                    asecPath = PackageHelper.getSdFilesystem(secureContainerId);
12482                }
12483            }
12484        }
12485        String publicSrcDir = null;
12486        if(!dataOnly) {
12487            final ApplicationInfo applicationInfo = p.applicationInfo;
12488            if (applicationInfo == null) {
12489                Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
12490                return false;
12491            }
12492            if (p.isForwardLocked()) {
12493                publicSrcDir = applicationInfo.getBaseResourcePath();
12494            }
12495        }
12496        // TODO: extend to measure size of split APKs
12497        // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree,
12498        // not just the first level.
12499        // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not
12500        // just the primary.
12501        String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps));
12502        int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, p.baseCodePath,
12503                libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats);
12504        if (res < 0) {
12505            return false;
12506        }
12507
12508        // Fix-up for forward-locked applications in ASEC containers.
12509        if (!isExternal(p)) {
12510            pStats.codeSize += pStats.externalCodeSize;
12511            pStats.externalCodeSize = 0L;
12512        }
12513
12514        return true;
12515    }
12516
12517
12518    @Override
12519    public void addPackageToPreferred(String packageName) {
12520        Slog.w(TAG, "addPackageToPreferred: this is now a no-op");
12521    }
12522
12523    @Override
12524    public void removePackageFromPreferred(String packageName) {
12525        Slog.w(TAG, "removePackageFromPreferred: this is now a no-op");
12526    }
12527
12528    @Override
12529    public List<PackageInfo> getPreferredPackages(int flags) {
12530        return new ArrayList<PackageInfo>();
12531    }
12532
12533    private int getUidTargetSdkVersionLockedLPr(int uid) {
12534        Object obj = mSettings.getUserIdLPr(uid);
12535        if (obj instanceof SharedUserSetting) {
12536            final SharedUserSetting sus = (SharedUserSetting) obj;
12537            int vers = Build.VERSION_CODES.CUR_DEVELOPMENT;
12538            final Iterator<PackageSetting> it = sus.packages.iterator();
12539            while (it.hasNext()) {
12540                final PackageSetting ps = it.next();
12541                if (ps.pkg != null) {
12542                    int v = ps.pkg.applicationInfo.targetSdkVersion;
12543                    if (v < vers) vers = v;
12544                }
12545            }
12546            return vers;
12547        } else if (obj instanceof PackageSetting) {
12548            final PackageSetting ps = (PackageSetting) obj;
12549            if (ps.pkg != null) {
12550                return ps.pkg.applicationInfo.targetSdkVersion;
12551            }
12552        }
12553        return Build.VERSION_CODES.CUR_DEVELOPMENT;
12554    }
12555
12556    @Override
12557    public void addPreferredActivity(IntentFilter filter, int match,
12558            ComponentName[] set, ComponentName activity, int userId) {
12559        addPreferredActivityInternal(filter, match, set, activity, true, userId,
12560                "Adding preferred");
12561    }
12562
12563    private void addPreferredActivityInternal(IntentFilter filter, int match,
12564            ComponentName[] set, ComponentName activity, boolean always, int userId,
12565            String opname) {
12566        // writer
12567        int callingUid = Binder.getCallingUid();
12568        enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity");
12569        if (filter.countActions() == 0) {
12570            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
12571            return;
12572        }
12573        synchronized (mPackages) {
12574            if (mContext.checkCallingOrSelfPermission(
12575                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
12576                    != PackageManager.PERMISSION_GRANTED) {
12577                if (getUidTargetSdkVersionLockedLPr(callingUid)
12578                        < Build.VERSION_CODES.FROYO) {
12579                    Slog.w(TAG, "Ignoring addPreferredActivity() from uid "
12580                            + callingUid);
12581                    return;
12582                }
12583                mContext.enforceCallingOrSelfPermission(
12584                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
12585            }
12586
12587            PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId);
12588            Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user "
12589                    + userId + ":");
12590            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
12591            pir.addFilter(new PreferredActivity(filter, match, set, activity, always));
12592            scheduleWritePackageRestrictionsLocked(userId);
12593        }
12594    }
12595
12596    @Override
12597    public void replacePreferredActivity(IntentFilter filter, int match,
12598            ComponentName[] set, ComponentName activity, int userId) {
12599        if (filter.countActions() != 1) {
12600            throw new IllegalArgumentException(
12601                    "replacePreferredActivity expects filter to have only 1 action.");
12602        }
12603        if (filter.countDataAuthorities() != 0
12604                || filter.countDataPaths() != 0
12605                || filter.countDataSchemes() > 1
12606                || filter.countDataTypes() != 0) {
12607            throw new IllegalArgumentException(
12608                    "replacePreferredActivity expects filter to have no data authorities, " +
12609                    "paths, or types; and at most one scheme.");
12610        }
12611
12612        final int callingUid = Binder.getCallingUid();
12613        enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity");
12614        synchronized (mPackages) {
12615            if (mContext.checkCallingOrSelfPermission(
12616                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
12617                    != PackageManager.PERMISSION_GRANTED) {
12618                if (getUidTargetSdkVersionLockedLPr(callingUid)
12619                        < Build.VERSION_CODES.FROYO) {
12620                    Slog.w(TAG, "Ignoring replacePreferredActivity() from uid "
12621                            + Binder.getCallingUid());
12622                    return;
12623                }
12624                mContext.enforceCallingOrSelfPermission(
12625                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
12626            }
12627
12628            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
12629            if (pir != null) {
12630                // Get all of the existing entries that exactly match this filter.
12631                ArrayList<PreferredActivity> existing = pir.findFilters(filter);
12632                if (existing != null && existing.size() == 1) {
12633                    PreferredActivity cur = existing.get(0);
12634                    if (DEBUG_PREFERRED) {
12635                        Slog.i(TAG, "Checking replace of preferred:");
12636                        filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
12637                        if (!cur.mPref.mAlways) {
12638                            Slog.i(TAG, "  -- CUR; not mAlways!");
12639                        } else {
12640                            Slog.i(TAG, "  -- CUR: mMatch=" + cur.mPref.mMatch);
12641                            Slog.i(TAG, "  -- CUR: mSet="
12642                                    + Arrays.toString(cur.mPref.mSetComponents));
12643                            Slog.i(TAG, "  -- CUR: mComponent=" + cur.mPref.mShortComponent);
12644                            Slog.i(TAG, "  -- NEW: mMatch="
12645                                    + (match&IntentFilter.MATCH_CATEGORY_MASK));
12646                            Slog.i(TAG, "  -- CUR: mSet=" + Arrays.toString(set));
12647                            Slog.i(TAG, "  -- CUR: mComponent=" + activity.flattenToShortString());
12648                        }
12649                    }
12650                    if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity)
12651                            && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK)
12652                            && cur.mPref.sameSet(set)) {
12653                        // Setting the preferred activity to what it happens to be already
12654                        if (DEBUG_PREFERRED) {
12655                            Slog.i(TAG, "Replacing with same preferred activity "
12656                                    + cur.mPref.mShortComponent + " for user "
12657                                    + userId + ":");
12658                            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
12659                        }
12660                        return;
12661                    }
12662                }
12663
12664                if (existing != null) {
12665                    if (DEBUG_PREFERRED) {
12666                        Slog.i(TAG, existing.size() + " existing preferred matches for:");
12667                        filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
12668                    }
12669                    for (int i = 0; i < existing.size(); i++) {
12670                        PreferredActivity pa = existing.get(i);
12671                        if (DEBUG_PREFERRED) {
12672                            Slog.i(TAG, "Removing existing preferred activity "
12673                                    + pa.mPref.mComponent + ":");
12674                            pa.dump(new LogPrinter(Log.INFO, TAG), "  ");
12675                        }
12676                        pir.removeFilter(pa);
12677                    }
12678                }
12679            }
12680            addPreferredActivityInternal(filter, match, set, activity, true, userId,
12681                    "Replacing preferred");
12682        }
12683    }
12684
12685    @Override
12686    public void clearPackagePreferredActivities(String packageName) {
12687        final int uid = Binder.getCallingUid();
12688        // writer
12689        synchronized (mPackages) {
12690            PackageParser.Package pkg = mPackages.get(packageName);
12691            if (pkg == null || pkg.applicationInfo.uid != uid) {
12692                if (mContext.checkCallingOrSelfPermission(
12693                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
12694                        != PackageManager.PERMISSION_GRANTED) {
12695                    if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid())
12696                            < Build.VERSION_CODES.FROYO) {
12697                        Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid "
12698                                + Binder.getCallingUid());
12699                        return;
12700                    }
12701                    mContext.enforceCallingOrSelfPermission(
12702                            android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
12703                }
12704            }
12705
12706            int user = UserHandle.getCallingUserId();
12707            if (clearPackagePreferredActivitiesLPw(packageName, user)) {
12708                scheduleWritePackageRestrictionsLocked(user);
12709            }
12710        }
12711    }
12712
12713    /** This method takes a specific user id as well as UserHandle.USER_ALL. */
12714    boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) {
12715        ArrayList<PreferredActivity> removed = null;
12716        boolean changed = false;
12717        for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
12718            final int thisUserId = mSettings.mPreferredActivities.keyAt(i);
12719            PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
12720            if (userId != UserHandle.USER_ALL && userId != thisUserId) {
12721                continue;
12722            }
12723            Iterator<PreferredActivity> it = pir.filterIterator();
12724            while (it.hasNext()) {
12725                PreferredActivity pa = it.next();
12726                // Mark entry for removal only if it matches the package name
12727                // and the entry is of type "always".
12728                if (packageName == null ||
12729                        (pa.mPref.mComponent.getPackageName().equals(packageName)
12730                                && pa.mPref.mAlways)) {
12731                    if (removed == null) {
12732                        removed = new ArrayList<PreferredActivity>();
12733                    }
12734                    removed.add(pa);
12735                }
12736            }
12737            if (removed != null) {
12738                for (int j=0; j<removed.size(); j++) {
12739                    PreferredActivity pa = removed.get(j);
12740                    pir.removeFilter(pa);
12741                }
12742                changed = true;
12743            }
12744        }
12745        return changed;
12746    }
12747
12748    /** This method takes a specific user id as well as UserHandle.USER_ALL. */
12749    void clearIntentFilterVerificationsLPw(String packageName, int userId) {
12750        if (userId == UserHandle.USER_ALL) {
12751            mSettings.removeIntentFilterVerificationLPw(packageName, sUserManager.getUserIds());
12752            for (int oneUserId : sUserManager.getUserIds()) {
12753                scheduleWritePackageRestrictionsLocked(oneUserId);
12754            }
12755        } else {
12756            mSettings.removeIntentFilterVerificationLPw(packageName, userId);
12757            scheduleWritePackageRestrictionsLocked(userId);
12758        }
12759    }
12760
12761    @Override
12762    public void resetPreferredActivities(int userId) {
12763        /* TODO: Actually use userId. Why is it being passed in? */
12764        mContext.enforceCallingOrSelfPermission(
12765                android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
12766        // writer
12767        synchronized (mPackages) {
12768            int user = UserHandle.getCallingUserId();
12769            clearPackagePreferredActivitiesLPw(null, user);
12770            mSettings.readDefaultPreferredAppsLPw(this, user);
12771            scheduleWritePackageRestrictionsLocked(user);
12772        }
12773    }
12774
12775    @Override
12776    public int getPreferredActivities(List<IntentFilter> outFilters,
12777            List<ComponentName> outActivities, String packageName) {
12778
12779        int num = 0;
12780        final int userId = UserHandle.getCallingUserId();
12781        // reader
12782        synchronized (mPackages) {
12783            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
12784            if (pir != null) {
12785                final Iterator<PreferredActivity> it = pir.filterIterator();
12786                while (it.hasNext()) {
12787                    final PreferredActivity pa = it.next();
12788                    if (packageName == null
12789                            || (pa.mPref.mComponent.getPackageName().equals(packageName)
12790                                    && pa.mPref.mAlways)) {
12791                        if (outFilters != null) {
12792                            outFilters.add(new IntentFilter(pa));
12793                        }
12794                        if (outActivities != null) {
12795                            outActivities.add(pa.mPref.mComponent);
12796                        }
12797                    }
12798                }
12799            }
12800        }
12801
12802        return num;
12803    }
12804
12805    @Override
12806    public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity,
12807            int userId) {
12808        int callingUid = Binder.getCallingUid();
12809        if (callingUid != Process.SYSTEM_UID) {
12810            throw new SecurityException(
12811                    "addPersistentPreferredActivity can only be run by the system");
12812        }
12813        if (filter.countActions() == 0) {
12814            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
12815            return;
12816        }
12817        synchronized (mPackages) {
12818            Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId +
12819                    " :");
12820            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
12821            mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter(
12822                    new PersistentPreferredActivity(filter, activity));
12823            scheduleWritePackageRestrictionsLocked(userId);
12824        }
12825    }
12826
12827    @Override
12828    public void clearPackagePersistentPreferredActivities(String packageName, int userId) {
12829        int callingUid = Binder.getCallingUid();
12830        if (callingUid != Process.SYSTEM_UID) {
12831            throw new SecurityException(
12832                    "clearPackagePersistentPreferredActivities can only be run by the system");
12833        }
12834        ArrayList<PersistentPreferredActivity> removed = null;
12835        boolean changed = false;
12836        synchronized (mPackages) {
12837            for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) {
12838                final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i);
12839                PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
12840                        .valueAt(i);
12841                if (userId != thisUserId) {
12842                    continue;
12843                }
12844                Iterator<PersistentPreferredActivity> it = ppir.filterIterator();
12845                while (it.hasNext()) {
12846                    PersistentPreferredActivity ppa = it.next();
12847                    // Mark entry for removal only if it matches the package name.
12848                    if (ppa.mComponent.getPackageName().equals(packageName)) {
12849                        if (removed == null) {
12850                            removed = new ArrayList<PersistentPreferredActivity>();
12851                        }
12852                        removed.add(ppa);
12853                    }
12854                }
12855                if (removed != null) {
12856                    for (int j=0; j<removed.size(); j++) {
12857                        PersistentPreferredActivity ppa = removed.get(j);
12858                        ppir.removeFilter(ppa);
12859                    }
12860                    changed = true;
12861                }
12862            }
12863
12864            if (changed) {
12865                scheduleWritePackageRestrictionsLocked(userId);
12866            }
12867        }
12868    }
12869
12870    /**
12871     * Non-Binder method, support for the backup/restore mechanism: write the
12872     * full set of preferred activities in its canonical XML format.  Returns true
12873     * on success; false otherwise.
12874     */
12875    @Override
12876    public byte[] getPreferredActivityBackup(int userId) {
12877        if (Binder.getCallingUid() != Process.SYSTEM_UID) {
12878            throw new SecurityException("Only the system may call getPreferredActivityBackup()");
12879        }
12880
12881        ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
12882        try {
12883            final XmlSerializer serializer = new FastXmlSerializer();
12884            serializer.setOutput(dataStream, "utf-8");
12885            serializer.startDocument(null, true);
12886            serializer.startTag(null, TAG_PREFERRED_BACKUP);
12887
12888            synchronized (mPackages) {
12889                mSettings.writePreferredActivitiesLPr(serializer, userId, true);
12890            }
12891
12892            serializer.endTag(null, TAG_PREFERRED_BACKUP);
12893            serializer.endDocument();
12894            serializer.flush();
12895        } catch (Exception e) {
12896            if (DEBUG_BACKUP) {
12897                Slog.e(TAG, "Unable to write preferred activities for backup", e);
12898            }
12899            return null;
12900        }
12901
12902        return dataStream.toByteArray();
12903    }
12904
12905    @Override
12906    public void restorePreferredActivities(byte[] backup, int userId) {
12907        if (Binder.getCallingUid() != Process.SYSTEM_UID) {
12908            throw new SecurityException("Only the system may call restorePreferredActivities()");
12909        }
12910
12911        try {
12912            final XmlPullParser parser = Xml.newPullParser();
12913            parser.setInput(new ByteArrayInputStream(backup), null);
12914
12915            int type;
12916            while ((type = parser.next()) != XmlPullParser.START_TAG
12917                    && type != XmlPullParser.END_DOCUMENT) {
12918            }
12919            if (type != XmlPullParser.START_TAG) {
12920                // oops didn't find a start tag?!
12921                if (DEBUG_BACKUP) {
12922                    Slog.e(TAG, "Didn't find start tag during restore");
12923                }
12924                return;
12925            }
12926
12927            // this is supposed to be TAG_PREFERRED_BACKUP
12928            if (!TAG_PREFERRED_BACKUP.equals(parser.getName())) {
12929                if (DEBUG_BACKUP) {
12930                    Slog.e(TAG, "Found unexpected tag " + parser.getName());
12931                }
12932                return;
12933            }
12934
12935            // skip interfering stuff, then we're aligned with the backing implementation
12936            while ((type = parser.next()) == XmlPullParser.TEXT) { }
12937            synchronized (mPackages) {
12938                mSettings.readPreferredActivitiesLPw(parser, userId);
12939            }
12940        } catch (Exception e) {
12941            if (DEBUG_BACKUP) {
12942                Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage());
12943            }
12944        }
12945    }
12946
12947    @Override
12948    public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage,
12949            int sourceUserId, int targetUserId, int flags) {
12950        mContext.enforceCallingOrSelfPermission(
12951                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
12952        int callingUid = Binder.getCallingUid();
12953        enforceOwnerRights(ownerPackage, callingUid);
12954        enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId);
12955        if (intentFilter.countActions() == 0) {
12956            Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions");
12957            return;
12958        }
12959        synchronized (mPackages) {
12960            CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter,
12961                    ownerPackage, targetUserId, flags);
12962            CrossProfileIntentResolver resolver =
12963                    mSettings.editCrossProfileIntentResolverLPw(sourceUserId);
12964            ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter);
12965            // We have all those whose filter is equal. Now checking if the rest is equal as well.
12966            if (existing != null) {
12967                int size = existing.size();
12968                for (int i = 0; i < size; i++) {
12969                    if (newFilter.equalsIgnoreFilter(existing.get(i))) {
12970                        return;
12971                    }
12972                }
12973            }
12974            resolver.addFilter(newFilter);
12975            scheduleWritePackageRestrictionsLocked(sourceUserId);
12976        }
12977    }
12978
12979    @Override
12980    public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) {
12981        mContext.enforceCallingOrSelfPermission(
12982                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
12983        int callingUid = Binder.getCallingUid();
12984        enforceOwnerRights(ownerPackage, callingUid);
12985        enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId);
12986        synchronized (mPackages) {
12987            CrossProfileIntentResolver resolver =
12988                    mSettings.editCrossProfileIntentResolverLPw(sourceUserId);
12989            ArraySet<CrossProfileIntentFilter> set =
12990                    new ArraySet<CrossProfileIntentFilter>(resolver.filterSet());
12991            for (CrossProfileIntentFilter filter : set) {
12992                if (filter.getOwnerPackage().equals(ownerPackage)) {
12993                    resolver.removeFilter(filter);
12994                }
12995            }
12996            scheduleWritePackageRestrictionsLocked(sourceUserId);
12997        }
12998    }
12999
13000    // Enforcing that callingUid is owning pkg on userId
13001    private void enforceOwnerRights(String pkg, int callingUid) {
13002        // The system owns everything.
13003        if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) {
13004            return;
13005        }
13006        int callingUserId = UserHandle.getUserId(callingUid);
13007        PackageInfo pi = getPackageInfo(pkg, 0, callingUserId);
13008        if (pi == null) {
13009            throw new IllegalArgumentException("Unknown package " + pkg + " on user "
13010                    + callingUserId);
13011        }
13012        if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) {
13013            throw new SecurityException("Calling uid " + callingUid
13014                    + " does not own package " + pkg);
13015        }
13016    }
13017
13018    @Override
13019    public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) {
13020        Intent intent = new Intent(Intent.ACTION_MAIN);
13021        intent.addCategory(Intent.CATEGORY_HOME);
13022
13023        final int callingUserId = UserHandle.getCallingUserId();
13024        List<ResolveInfo> list = queryIntentActivities(intent, null,
13025                PackageManager.GET_META_DATA, callingUserId);
13026        ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0,
13027                true, false, false, callingUserId);
13028
13029        allHomeCandidates.clear();
13030        if (list != null) {
13031            for (ResolveInfo ri : list) {
13032                allHomeCandidates.add(ri);
13033            }
13034        }
13035        return (preferred == null || preferred.activityInfo == null)
13036                ? null
13037                : new ComponentName(preferred.activityInfo.packageName,
13038                        preferred.activityInfo.name);
13039    }
13040
13041    @Override
13042    public void setApplicationEnabledSetting(String appPackageName,
13043            int newState, int flags, int userId, String callingPackage) {
13044        if (!sUserManager.exists(userId)) return;
13045        if (callingPackage == null) {
13046            callingPackage = Integer.toString(Binder.getCallingUid());
13047        }
13048        setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage);
13049    }
13050
13051    @Override
13052    public void setComponentEnabledSetting(ComponentName componentName,
13053            int newState, int flags, int userId) {
13054        if (!sUserManager.exists(userId)) return;
13055        setEnabledSetting(componentName.getPackageName(),
13056                componentName.getClassName(), newState, flags, userId, null);
13057    }
13058
13059    private void setEnabledSetting(final String packageName, String className, int newState,
13060            final int flags, int userId, String callingPackage) {
13061        if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT
13062              || newState == COMPONENT_ENABLED_STATE_ENABLED
13063              || newState == COMPONENT_ENABLED_STATE_DISABLED
13064              || newState == COMPONENT_ENABLED_STATE_DISABLED_USER
13065              || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) {
13066            throw new IllegalArgumentException("Invalid new component state: "
13067                    + newState);
13068        }
13069        PackageSetting pkgSetting;
13070        final int uid = Binder.getCallingUid();
13071        final int permission = mContext.checkCallingOrSelfPermission(
13072                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
13073        enforceCrossUserPermission(uid, userId, false, true, "set enabled");
13074        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
13075        boolean sendNow = false;
13076        boolean isApp = (className == null);
13077        String componentName = isApp ? packageName : className;
13078        int packageUid = -1;
13079        ArrayList<String> components;
13080
13081        // writer
13082        synchronized (mPackages) {
13083            pkgSetting = mSettings.mPackages.get(packageName);
13084            if (pkgSetting == null) {
13085                if (className == null) {
13086                    throw new IllegalArgumentException(
13087                            "Unknown package: " + packageName);
13088                }
13089                throw new IllegalArgumentException(
13090                        "Unknown component: " + packageName
13091                        + "/" + className);
13092            }
13093            // Allow root and verify that userId is not being specified by a different user
13094            if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) {
13095                throw new SecurityException(
13096                        "Permission Denial: attempt to change component state from pid="
13097                        + Binder.getCallingPid()
13098                        + ", uid=" + uid + ", package uid=" + pkgSetting.appId);
13099            }
13100            if (className == null) {
13101                // We're dealing with an application/package level state change
13102                if (pkgSetting.getEnabled(userId) == newState) {
13103                    // Nothing to do
13104                    return;
13105                }
13106                if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT
13107                    || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) {
13108                    // Don't care about who enables an app.
13109                    callingPackage = null;
13110                }
13111                pkgSetting.setEnabled(newState, userId, callingPackage);
13112                // pkgSetting.pkg.mSetEnabled = newState;
13113            } else {
13114                // We're dealing with a component level state change
13115                // First, verify that this is a valid class name.
13116                PackageParser.Package pkg = pkgSetting.pkg;
13117                if (pkg == null || !pkg.hasComponentClassName(className)) {
13118                    if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) {
13119                        throw new IllegalArgumentException("Component class " + className
13120                                + " does not exist in " + packageName);
13121                    } else {
13122                        Slog.w(TAG, "Failed setComponentEnabledSetting: component class "
13123                                + className + " does not exist in " + packageName);
13124                    }
13125                }
13126                switch (newState) {
13127                case COMPONENT_ENABLED_STATE_ENABLED:
13128                    if (!pkgSetting.enableComponentLPw(className, userId)) {
13129                        return;
13130                    }
13131                    break;
13132                case COMPONENT_ENABLED_STATE_DISABLED:
13133                    if (!pkgSetting.disableComponentLPw(className, userId)) {
13134                        return;
13135                    }
13136                    break;
13137                case COMPONENT_ENABLED_STATE_DEFAULT:
13138                    if (!pkgSetting.restoreComponentLPw(className, userId)) {
13139                        return;
13140                    }
13141                    break;
13142                default:
13143                    Slog.e(TAG, "Invalid new component state: " + newState);
13144                    return;
13145                }
13146            }
13147            scheduleWritePackageRestrictionsLocked(userId);
13148            components = mPendingBroadcasts.get(userId, packageName);
13149            final boolean newPackage = components == null;
13150            if (newPackage) {
13151                components = new ArrayList<String>();
13152            }
13153            if (!components.contains(componentName)) {
13154                components.add(componentName);
13155            }
13156            if ((flags&PackageManager.DONT_KILL_APP) == 0) {
13157                sendNow = true;
13158                // Purge entry from pending broadcast list if another one exists already
13159                // since we are sending one right away.
13160                mPendingBroadcasts.remove(userId, packageName);
13161            } else {
13162                if (newPackage) {
13163                    mPendingBroadcasts.put(userId, packageName, components);
13164                }
13165                if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) {
13166                    // Schedule a message
13167                    mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY);
13168                }
13169            }
13170        }
13171
13172        long callingId = Binder.clearCallingIdentity();
13173        try {
13174            if (sendNow) {
13175                packageUid = UserHandle.getUid(userId, pkgSetting.appId);
13176                sendPackageChangedBroadcast(packageName,
13177                        (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid);
13178            }
13179        } finally {
13180            Binder.restoreCallingIdentity(callingId);
13181        }
13182    }
13183
13184    private void sendPackageChangedBroadcast(String packageName,
13185            boolean killFlag, ArrayList<String> componentNames, int packageUid) {
13186        if (DEBUG_INSTALL)
13187            Log.v(TAG, "Sending package changed: package=" + packageName + " components="
13188                    + componentNames);
13189        Bundle extras = new Bundle(4);
13190        extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0));
13191        String nameList[] = new String[componentNames.size()];
13192        componentNames.toArray(nameList);
13193        extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList);
13194        extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag);
13195        extras.putInt(Intent.EXTRA_UID, packageUid);
13196        sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED,  packageName, extras, null, null,
13197                new int[] {UserHandle.getUserId(packageUid)});
13198    }
13199
13200    @Override
13201    public void setPackageStoppedState(String packageName, boolean stopped, int userId) {
13202        if (!sUserManager.exists(userId)) return;
13203        final int uid = Binder.getCallingUid();
13204        final int permission = mContext.checkCallingOrSelfPermission(
13205                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
13206        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
13207        enforceCrossUserPermission(uid, userId, true, true, "stop package");
13208        // writer
13209        synchronized (mPackages) {
13210            if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped,
13211                    allowedByPermission, uid, userId)) {
13212                scheduleWritePackageRestrictionsLocked(userId);
13213            }
13214        }
13215    }
13216
13217    @Override
13218    public String getInstallerPackageName(String packageName) {
13219        // reader
13220        synchronized (mPackages) {
13221            return mSettings.getInstallerPackageNameLPr(packageName);
13222        }
13223    }
13224
13225    @Override
13226    public int getApplicationEnabledSetting(String packageName, int userId) {
13227        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
13228        int uid = Binder.getCallingUid();
13229        enforceCrossUserPermission(uid, userId, false, false, "get enabled");
13230        // reader
13231        synchronized (mPackages) {
13232            return mSettings.getApplicationEnabledSettingLPr(packageName, userId);
13233        }
13234    }
13235
13236    @Override
13237    public int getComponentEnabledSetting(ComponentName componentName, int userId) {
13238        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
13239        int uid = Binder.getCallingUid();
13240        enforceCrossUserPermission(uid, userId, false, false, "get component enabled");
13241        // reader
13242        synchronized (mPackages) {
13243            return mSettings.getComponentEnabledSettingLPr(componentName, userId);
13244        }
13245    }
13246
13247    @Override
13248    public void enterSafeMode() {
13249        enforceSystemOrRoot("Only the system can request entering safe mode");
13250
13251        if (!mSystemReady) {
13252            mSafeMode = true;
13253        }
13254    }
13255
13256    @Override
13257    public void systemReady() {
13258        mSystemReady = true;
13259
13260        // Read the compatibilty setting when the system is ready.
13261        boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt(
13262                mContext.getContentResolver(),
13263                android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1;
13264        PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled);
13265        if (DEBUG_SETTINGS) {
13266            Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled);
13267        }
13268
13269        synchronized (mPackages) {
13270            // Verify that all of the preferred activity components actually
13271            // exist.  It is possible for applications to be updated and at
13272            // that point remove a previously declared activity component that
13273            // had been set as a preferred activity.  We try to clean this up
13274            // the next time we encounter that preferred activity, but it is
13275            // possible for the user flow to never be able to return to that
13276            // situation so here we do a sanity check to make sure we haven't
13277            // left any junk around.
13278            ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>();
13279            for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
13280                PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
13281                removed.clear();
13282                for (PreferredActivity pa : pir.filterSet()) {
13283                    if (mActivities.mActivities.get(pa.mPref.mComponent) == null) {
13284                        removed.add(pa);
13285                    }
13286                }
13287                if (removed.size() > 0) {
13288                    for (int r=0; r<removed.size(); r++) {
13289                        PreferredActivity pa = removed.get(r);
13290                        Slog.w(TAG, "Removing dangling preferred activity: "
13291                                + pa.mPref.mComponent);
13292                        pir.removeFilter(pa);
13293                    }
13294                    mSettings.writePackageRestrictionsLPr(
13295                            mSettings.mPreferredActivities.keyAt(i));
13296                }
13297            }
13298        }
13299        sUserManager.systemReady();
13300
13301        // Kick off any messages waiting for system ready
13302        if (mPostSystemReadyMessages != null) {
13303            for (Message msg : mPostSystemReadyMessages) {
13304                msg.sendToTarget();
13305            }
13306            mPostSystemReadyMessages = null;
13307        }
13308
13309        // Watch for external volumes that come and go over time
13310        final StorageManager storage = mContext.getSystemService(StorageManager.class);
13311        storage.registerListener(mStorageListener);
13312
13313        mInstallerService.systemReady();
13314    }
13315
13316    @Override
13317    public boolean isSafeMode() {
13318        return mSafeMode;
13319    }
13320
13321    @Override
13322    public boolean hasSystemUidErrors() {
13323        return mHasSystemUidErrors;
13324    }
13325
13326    static String arrayToString(int[] array) {
13327        StringBuffer buf = new StringBuffer(128);
13328        buf.append('[');
13329        if (array != null) {
13330            for (int i=0; i<array.length; i++) {
13331                if (i > 0) buf.append(", ");
13332                buf.append(array[i]);
13333            }
13334        }
13335        buf.append(']');
13336        return buf.toString();
13337    }
13338
13339    static class DumpState {
13340        public static final int DUMP_LIBS = 1 << 0;
13341        public static final int DUMP_FEATURES = 1 << 1;
13342        public static final int DUMP_RESOLVERS = 1 << 2;
13343        public static final int DUMP_PERMISSIONS = 1 << 3;
13344        public static final int DUMP_PACKAGES = 1 << 4;
13345        public static final int DUMP_SHARED_USERS = 1 << 5;
13346        public static final int DUMP_MESSAGES = 1 << 6;
13347        public static final int DUMP_PROVIDERS = 1 << 7;
13348        public static final int DUMP_VERIFIERS = 1 << 8;
13349        public static final int DUMP_PREFERRED = 1 << 9;
13350        public static final int DUMP_PREFERRED_XML = 1 << 10;
13351        public static final int DUMP_KEYSETS = 1 << 11;
13352        public static final int DUMP_VERSION = 1 << 12;
13353        public static final int DUMP_INSTALLS = 1 << 13;
13354        public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14;
13355        public static final int DUMP_DOMAIN_PREFERRED = 1 << 15;
13356
13357        public static final int OPTION_SHOW_FILTERS = 1 << 0;
13358
13359        private int mTypes;
13360
13361        private int mOptions;
13362
13363        private boolean mTitlePrinted;
13364
13365        private SharedUserSetting mSharedUser;
13366
13367        public boolean isDumping(int type) {
13368            if (mTypes == 0 && type != DUMP_PREFERRED_XML) {
13369                return true;
13370            }
13371
13372            return (mTypes & type) != 0;
13373        }
13374
13375        public void setDump(int type) {
13376            mTypes |= type;
13377        }
13378
13379        public boolean isOptionEnabled(int option) {
13380            return (mOptions & option) != 0;
13381        }
13382
13383        public void setOptionEnabled(int option) {
13384            mOptions |= option;
13385        }
13386
13387        public boolean onTitlePrinted() {
13388            final boolean printed = mTitlePrinted;
13389            mTitlePrinted = true;
13390            return printed;
13391        }
13392
13393        public boolean getTitlePrinted() {
13394            return mTitlePrinted;
13395        }
13396
13397        public void setTitlePrinted(boolean enabled) {
13398            mTitlePrinted = enabled;
13399        }
13400
13401        public SharedUserSetting getSharedUser() {
13402            return mSharedUser;
13403        }
13404
13405        public void setSharedUser(SharedUserSetting user) {
13406            mSharedUser = user;
13407        }
13408    }
13409
13410    @Override
13411    protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
13412        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
13413                != PackageManager.PERMISSION_GRANTED) {
13414            pw.println("Permission Denial: can't dump ActivityManager from from pid="
13415                    + Binder.getCallingPid()
13416                    + ", uid=" + Binder.getCallingUid()
13417                    + " without permission "
13418                    + android.Manifest.permission.DUMP);
13419            return;
13420        }
13421
13422        DumpState dumpState = new DumpState();
13423        boolean fullPreferred = false;
13424        boolean checkin = false;
13425
13426        String packageName = null;
13427
13428        int opti = 0;
13429        while (opti < args.length) {
13430            String opt = args[opti];
13431            if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') {
13432                break;
13433            }
13434            opti++;
13435
13436            if ("-a".equals(opt)) {
13437                // Right now we only know how to print all.
13438            } else if ("-h".equals(opt)) {
13439                pw.println("Package manager dump options:");
13440                pw.println("  [-h] [-f] [--checkin] [cmd] ...");
13441                pw.println("    --checkin: dump for a checkin");
13442                pw.println("    -f: print details of intent filters");
13443                pw.println("    -h: print this help");
13444                pw.println("  cmd may be one of:");
13445                pw.println("    l[ibraries]: list known shared libraries");
13446                pw.println("    f[ibraries]: list device features");
13447                pw.println("    k[eysets]: print known keysets");
13448                pw.println("    r[esolvers]: dump intent resolvers");
13449                pw.println("    perm[issions]: dump permissions");
13450                pw.println("    pref[erred]: print preferred package settings");
13451                pw.println("    preferred-xml [--full]: print preferred package settings as xml");
13452                pw.println("    prov[iders]: dump content providers");
13453                pw.println("    p[ackages]: dump installed packages");
13454                pw.println("    s[hared-users]: dump shared user IDs");
13455                pw.println("    m[essages]: print collected runtime messages");
13456                pw.println("    v[erifiers]: print package verifier info");
13457                pw.println("    version: print database version info");
13458                pw.println("    write: write current settings now");
13459                pw.println("    <package.name>: info about given package");
13460                pw.println("    installs: details about install sessions");
13461                pw.println("    d[omain-preferred-apps]: print domains preferred apps");
13462                pw.println("    i[ntent-filter-verifiers]|ifv: print intent filter verifier info");
13463                return;
13464            } else if ("--checkin".equals(opt)) {
13465                checkin = true;
13466            } else if ("-f".equals(opt)) {
13467                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
13468            } else {
13469                pw.println("Unknown argument: " + opt + "; use -h for help");
13470            }
13471        }
13472
13473        // Is the caller requesting to dump a particular piece of data?
13474        if (opti < args.length) {
13475            String cmd = args[opti];
13476            opti++;
13477            // Is this a package name?
13478            if ("android".equals(cmd) || cmd.contains(".")) {
13479                packageName = cmd;
13480                // When dumping a single package, we always dump all of its
13481                // filter information since the amount of data will be reasonable.
13482                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
13483            } else if ("l".equals(cmd) || "libraries".equals(cmd)) {
13484                dumpState.setDump(DumpState.DUMP_LIBS);
13485            } else if ("f".equals(cmd) || "features".equals(cmd)) {
13486                dumpState.setDump(DumpState.DUMP_FEATURES);
13487            } else if ("r".equals(cmd) || "resolvers".equals(cmd)) {
13488                dumpState.setDump(DumpState.DUMP_RESOLVERS);
13489            } else if ("perm".equals(cmd) || "permissions".equals(cmd)) {
13490                dumpState.setDump(DumpState.DUMP_PERMISSIONS);
13491            } else if ("pref".equals(cmd) || "preferred".equals(cmd)) {
13492                dumpState.setDump(DumpState.DUMP_PREFERRED);
13493            } else if ("preferred-xml".equals(cmd)) {
13494                dumpState.setDump(DumpState.DUMP_PREFERRED_XML);
13495                if (opti < args.length && "--full".equals(args[opti])) {
13496                    fullPreferred = true;
13497                    opti++;
13498                }
13499            } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) {
13500                dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED);
13501            } else if ("p".equals(cmd) || "packages".equals(cmd)) {
13502                dumpState.setDump(DumpState.DUMP_PACKAGES);
13503            } else if ("s".equals(cmd) || "shared-users".equals(cmd)) {
13504                dumpState.setDump(DumpState.DUMP_SHARED_USERS);
13505            } else if ("prov".equals(cmd) || "providers".equals(cmd)) {
13506                dumpState.setDump(DumpState.DUMP_PROVIDERS);
13507            } else if ("m".equals(cmd) || "messages".equals(cmd)) {
13508                dumpState.setDump(DumpState.DUMP_MESSAGES);
13509            } else if ("v".equals(cmd) || "verifiers".equals(cmd)) {
13510                dumpState.setDump(DumpState.DUMP_VERIFIERS);
13511            } else if ("i".equals(cmd) || "ifv".equals(cmd)
13512                    || "intent-filter-verifiers".equals(cmd)) {
13513                dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS);
13514            } else if ("version".equals(cmd)) {
13515                dumpState.setDump(DumpState.DUMP_VERSION);
13516            } else if ("k".equals(cmd) || "keysets".equals(cmd)) {
13517                dumpState.setDump(DumpState.DUMP_KEYSETS);
13518            } else if ("installs".equals(cmd)) {
13519                dumpState.setDump(DumpState.DUMP_INSTALLS);
13520            } else if ("write".equals(cmd)) {
13521                synchronized (mPackages) {
13522                    mSettings.writeLPr();
13523                    pw.println("Settings written.");
13524                    return;
13525                }
13526            }
13527        }
13528
13529        if (checkin) {
13530            pw.println("vers,1");
13531        }
13532
13533        // reader
13534        synchronized (mPackages) {
13535            if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) {
13536                if (!checkin) {
13537                    if (dumpState.onTitlePrinted())
13538                        pw.println();
13539                    pw.println("Database versions:");
13540                    pw.print("  SDK Version:");
13541                    pw.print(" internal=");
13542                    pw.print(mSettings.mInternalSdkPlatform);
13543                    pw.print(" external=");
13544                    pw.println(mSettings.mExternalSdkPlatform);
13545                    pw.print("  DB Version:");
13546                    pw.print(" internal=");
13547                    pw.print(mSettings.mInternalDatabaseVersion);
13548                    pw.print(" external=");
13549                    pw.println(mSettings.mExternalDatabaseVersion);
13550                }
13551            }
13552
13553            if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) {
13554                if (!checkin) {
13555                    if (dumpState.onTitlePrinted())
13556                        pw.println();
13557                    pw.println("Verifiers:");
13558                    pw.print("  Required: ");
13559                    pw.print(mRequiredVerifierPackage);
13560                    pw.print(" (uid=");
13561                    pw.print(getPackageUid(mRequiredVerifierPackage, 0));
13562                    pw.println(")");
13563                } else if (mRequiredVerifierPackage != null) {
13564                    pw.print("vrfy,"); pw.print(mRequiredVerifierPackage);
13565                    pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0));
13566                }
13567            }
13568
13569            if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) &&
13570                    packageName == null) {
13571                if (mIntentFilterVerifierComponent != null) {
13572                    String verifierPackageName = mIntentFilterVerifierComponent.getPackageName();
13573                    if (!checkin) {
13574                        if (dumpState.onTitlePrinted())
13575                            pw.println();
13576                        pw.println("Intent Filter Verifier:");
13577                        pw.print("  Using: ");
13578                        pw.print(verifierPackageName);
13579                        pw.print(" (uid=");
13580                        pw.print(getPackageUid(verifierPackageName, 0));
13581                        pw.println(")");
13582                    } else if (verifierPackageName != null) {
13583                        pw.print("ifv,"); pw.print(verifierPackageName);
13584                        pw.print(","); pw.println(getPackageUid(verifierPackageName, 0));
13585                    }
13586                } else {
13587                    pw.println();
13588                    pw.println("No Intent Filter Verifier available!");
13589                }
13590            }
13591
13592            if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) {
13593                boolean printedHeader = false;
13594                final Iterator<String> it = mSharedLibraries.keySet().iterator();
13595                while (it.hasNext()) {
13596                    String name = it.next();
13597                    SharedLibraryEntry ent = mSharedLibraries.get(name);
13598                    if (!checkin) {
13599                        if (!printedHeader) {
13600                            if (dumpState.onTitlePrinted())
13601                                pw.println();
13602                            pw.println("Libraries:");
13603                            printedHeader = true;
13604                        }
13605                        pw.print("  ");
13606                    } else {
13607                        pw.print("lib,");
13608                    }
13609                    pw.print(name);
13610                    if (!checkin) {
13611                        pw.print(" -> ");
13612                    }
13613                    if (ent.path != null) {
13614                        if (!checkin) {
13615                            pw.print("(jar) ");
13616                            pw.print(ent.path);
13617                        } else {
13618                            pw.print(",jar,");
13619                            pw.print(ent.path);
13620                        }
13621                    } else {
13622                        if (!checkin) {
13623                            pw.print("(apk) ");
13624                            pw.print(ent.apk);
13625                        } else {
13626                            pw.print(",apk,");
13627                            pw.print(ent.apk);
13628                        }
13629                    }
13630                    pw.println();
13631                }
13632            }
13633
13634            if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) {
13635                if (dumpState.onTitlePrinted())
13636                    pw.println();
13637                if (!checkin) {
13638                    pw.println("Features:");
13639                }
13640                Iterator<String> it = mAvailableFeatures.keySet().iterator();
13641                while (it.hasNext()) {
13642                    String name = it.next();
13643                    if (!checkin) {
13644                        pw.print("  ");
13645                    } else {
13646                        pw.print("feat,");
13647                    }
13648                    pw.println(name);
13649                }
13650            }
13651
13652            if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) {
13653                if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:"
13654                        : "Activity Resolver Table:", "  ", packageName,
13655                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
13656                    dumpState.setTitlePrinted(true);
13657                }
13658                if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:"
13659                        : "Receiver Resolver Table:", "  ", packageName,
13660                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
13661                    dumpState.setTitlePrinted(true);
13662                }
13663                if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:"
13664                        : "Service Resolver Table:", "  ", packageName,
13665                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
13666                    dumpState.setTitlePrinted(true);
13667                }
13668                if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:"
13669                        : "Provider Resolver Table:", "  ", packageName,
13670                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) {
13671                    dumpState.setTitlePrinted(true);
13672                }
13673            }
13674
13675            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) {
13676                for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
13677                    PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
13678                    int user = mSettings.mPreferredActivities.keyAt(i);
13679                    if (pir.dump(pw,
13680                            dumpState.getTitlePrinted()
13681                                ? "\nPreferred Activities User " + user + ":"
13682                                : "Preferred Activities User " + user + ":", "  ",
13683                            packageName, true, false)) {
13684                        dumpState.setTitlePrinted(true);
13685                    }
13686                }
13687            }
13688
13689            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) {
13690                pw.flush();
13691                FileOutputStream fout = new FileOutputStream(fd);
13692                BufferedOutputStream str = new BufferedOutputStream(fout);
13693                XmlSerializer serializer = new FastXmlSerializer();
13694                try {
13695                    serializer.setOutput(str, "utf-8");
13696                    serializer.startDocument(null, true);
13697                    serializer.setFeature(
13698                            "http://xmlpull.org/v1/doc/features.html#indent-output", true);
13699                    mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred);
13700                    serializer.endDocument();
13701                    serializer.flush();
13702                } catch (IllegalArgumentException e) {
13703                    pw.println("Failed writing: " + e);
13704                } catch (IllegalStateException e) {
13705                    pw.println("Failed writing: " + e);
13706                } catch (IOException e) {
13707                    pw.println("Failed writing: " + e);
13708                }
13709            }
13710
13711            if (!checkin && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED)) {
13712                pw.println();
13713                int count = mSettings.mPackages.size();
13714                if (count == 0) {
13715                    pw.println("No domain preferred apps!");
13716                    pw.println();
13717                } else {
13718                    final String prefix = "  ";
13719                    Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values();
13720                    if (allPackageSettings.size() == 0) {
13721                        pw.println("No domain preferred apps!");
13722                        pw.println();
13723                    } else {
13724                        pw.println("Domain preferred apps status:");
13725                        pw.println();
13726                        count = 0;
13727                        for (PackageSetting ps : allPackageSettings) {
13728                            IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo();
13729                            if (ivi == null || ivi.getPackageName() == null) continue;
13730                            pw.println(prefix + "Package Name: " + ivi.getPackageName());
13731                            pw.println(prefix + "Domains: " + ivi.getDomainsString());
13732                            pw.println(prefix + "Status: " + ivi.getStatusString());
13733                            pw.println();
13734                            count++;
13735                        }
13736                        if (count == 0) {
13737                            pw.println(prefix + "No domain preferred app status!");
13738                            pw.println();
13739                        }
13740                        for (int userId : sUserManager.getUserIds()) {
13741                            pw.println("Domain preferred apps for User " + userId + ":");
13742                            pw.println();
13743                            count = 0;
13744                            for (PackageSetting ps : allPackageSettings) {
13745                                IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo();
13746                                if (ivi == null || ivi.getPackageName() == null) {
13747                                    continue;
13748                                }
13749                                final int status = ps.getDomainVerificationStatusForUser(userId);
13750                                if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) {
13751                                    continue;
13752                                }
13753                                pw.println(prefix + "Package Name: " + ivi.getPackageName());
13754                                pw.println(prefix + "Domains: " + ivi.getDomainsString());
13755                                String statusStr = IntentFilterVerificationInfo.
13756                                        getStatusStringFromValue(status);
13757                                pw.println(prefix + "Status: " + statusStr);
13758                                pw.println();
13759                                count++;
13760                            }
13761                            if (count == 0) {
13762                                pw.println(prefix + "No domain preferred apps!");
13763                                pw.println();
13764                            }
13765                        }
13766                    }
13767                }
13768            }
13769
13770            if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) {
13771                mSettings.dumpPermissionsLPr(pw, packageName, dumpState);
13772                if (packageName == null) {
13773                    for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) {
13774                        if (iperm == 0) {
13775                            if (dumpState.onTitlePrinted())
13776                                pw.println();
13777                            pw.println("AppOp Permissions:");
13778                        }
13779                        pw.print("  AppOp Permission ");
13780                        pw.print(mAppOpPermissionPackages.keyAt(iperm));
13781                        pw.println(":");
13782                        ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm);
13783                        for (int ipkg=0; ipkg<pkgs.size(); ipkg++) {
13784                            pw.print("    "); pw.println(pkgs.valueAt(ipkg));
13785                        }
13786                    }
13787                }
13788            }
13789
13790            if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) {
13791                boolean printedSomething = false;
13792                for (PackageParser.Provider p : mProviders.mProviders.values()) {
13793                    if (packageName != null && !packageName.equals(p.info.packageName)) {
13794                        continue;
13795                    }
13796                    if (!printedSomething) {
13797                        if (dumpState.onTitlePrinted())
13798                            pw.println();
13799                        pw.println("Registered ContentProviders:");
13800                        printedSomething = true;
13801                    }
13802                    pw.print("  "); p.printComponentShortName(pw); pw.println(":");
13803                    pw.print("    "); pw.println(p.toString());
13804                }
13805                printedSomething = false;
13806                for (Map.Entry<String, PackageParser.Provider> entry :
13807                        mProvidersByAuthority.entrySet()) {
13808                    PackageParser.Provider p = entry.getValue();
13809                    if (packageName != null && !packageName.equals(p.info.packageName)) {
13810                        continue;
13811                    }
13812                    if (!printedSomething) {
13813                        if (dumpState.onTitlePrinted())
13814                            pw.println();
13815                        pw.println("ContentProvider Authorities:");
13816                        printedSomething = true;
13817                    }
13818                    pw.print("  ["); pw.print(entry.getKey()); pw.println("]:");
13819                    pw.print("    "); pw.println(p.toString());
13820                    if (p.info != null && p.info.applicationInfo != null) {
13821                        final String appInfo = p.info.applicationInfo.toString();
13822                        pw.print("      applicationInfo="); pw.println(appInfo);
13823                    }
13824                }
13825            }
13826
13827            if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) {
13828                mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState);
13829            }
13830
13831            if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) {
13832                mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin);
13833            }
13834
13835            if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) {
13836                mSettings.dumpSharedUsersLPr(pw, packageName, dumpState, checkin);
13837            }
13838
13839            if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) {
13840                // XXX should handle packageName != null by dumping only install data that
13841                // the given package is involved with.
13842                if (dumpState.onTitlePrinted()) pw.println();
13843                mInstallerService.dump(new IndentingPrintWriter(pw, "  ", 120));
13844            }
13845
13846            if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) {
13847                if (dumpState.onTitlePrinted()) pw.println();
13848                mSettings.dumpReadMessagesLPr(pw, dumpState);
13849
13850                pw.println();
13851                pw.println("Package warning messages:");
13852                BufferedReader in = null;
13853                String line = null;
13854                try {
13855                    in = new BufferedReader(new FileReader(getSettingsProblemFile()));
13856                    while ((line = in.readLine()) != null) {
13857                        if (line.contains("ignored: updated version")) continue;
13858                        pw.println(line);
13859                    }
13860                } catch (IOException ignored) {
13861                } finally {
13862                    IoUtils.closeQuietly(in);
13863                }
13864            }
13865
13866            if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) {
13867                BufferedReader in = null;
13868                String line = null;
13869                try {
13870                    in = new BufferedReader(new FileReader(getSettingsProblemFile()));
13871                    while ((line = in.readLine()) != null) {
13872                        if (line.contains("ignored: updated version")) continue;
13873                        pw.print("msg,");
13874                        pw.println(line);
13875                    }
13876                } catch (IOException ignored) {
13877                } finally {
13878                    IoUtils.closeQuietly(in);
13879                }
13880            }
13881        }
13882    }
13883
13884    // ------- apps on sdcard specific code -------
13885    static final boolean DEBUG_SD_INSTALL = false;
13886
13887    private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD";
13888
13889    private static final String SD_ENCRYPTION_ALGORITHM = "AES";
13890
13891    private boolean mMediaMounted = false;
13892
13893    static String getEncryptKey() {
13894        try {
13895            String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString(
13896                    SD_ENCRYPTION_KEYSTORE_NAME);
13897            if (sdEncKey == null) {
13898                sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128,
13899                        SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME);
13900                if (sdEncKey == null) {
13901                    Slog.e(TAG, "Failed to create encryption keys");
13902                    return null;
13903                }
13904            }
13905            return sdEncKey;
13906        } catch (NoSuchAlgorithmException nsae) {
13907            Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae);
13908            return null;
13909        } catch (IOException ioe) {
13910            Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe);
13911            return null;
13912        }
13913    }
13914
13915    /*
13916     * Update media status on PackageManager.
13917     */
13918    @Override
13919    public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) {
13920        int callingUid = Binder.getCallingUid();
13921        if (callingUid != 0 && callingUid != Process.SYSTEM_UID) {
13922            throw new SecurityException("Media status can only be updated by the system");
13923        }
13924        // reader; this apparently protects mMediaMounted, but should probably
13925        // be a different lock in that case.
13926        synchronized (mPackages) {
13927            Log.i(TAG, "Updating external media status from "
13928                    + (mMediaMounted ? "mounted" : "unmounted") + " to "
13929                    + (mediaStatus ? "mounted" : "unmounted"));
13930            if (DEBUG_SD_INSTALL)
13931                Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus
13932                        + ", mMediaMounted=" + mMediaMounted);
13933            if (mediaStatus == mMediaMounted) {
13934                final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1
13935                        : 0, -1);
13936                mHandler.sendMessage(msg);
13937                return;
13938            }
13939            mMediaMounted = mediaStatus;
13940        }
13941        // Queue up an async operation since the package installation may take a
13942        // little while.
13943        mHandler.post(new Runnable() {
13944            public void run() {
13945                updateExternalMediaStatusInner(mediaStatus, reportStatus, true);
13946            }
13947        });
13948    }
13949
13950    /**
13951     * Called by MountService when the initial ASECs to scan are available.
13952     * Should block until all the ASEC containers are finished being scanned.
13953     */
13954    public void scanAvailableAsecs() {
13955        updateExternalMediaStatusInner(true, false, false);
13956        if (mShouldRestoreconData) {
13957            SELinuxMMAC.setRestoreconDone();
13958            mShouldRestoreconData = false;
13959        }
13960    }
13961
13962    /*
13963     * Collect information of applications on external media, map them against
13964     * existing containers and update information based on current mount status.
13965     * Please note that we always have to report status if reportStatus has been
13966     * set to true especially when unloading packages.
13967     */
13968    private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus,
13969            boolean externalStorage) {
13970        ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>();
13971        int[] uidArr = EmptyArray.INT;
13972
13973        final String[] list = PackageHelper.getSecureContainerList();
13974        if (ArrayUtils.isEmpty(list)) {
13975            Log.i(TAG, "No secure containers found");
13976        } else {
13977            // Process list of secure containers and categorize them
13978            // as active or stale based on their package internal state.
13979
13980            // reader
13981            synchronized (mPackages) {
13982                for (String cid : list) {
13983                    // Leave stages untouched for now; installer service owns them
13984                    if (PackageInstallerService.isStageName(cid)) continue;
13985
13986                    if (DEBUG_SD_INSTALL)
13987                        Log.i(TAG, "Processing container " + cid);
13988                    String pkgName = getAsecPackageName(cid);
13989                    if (pkgName == null) {
13990                        Slog.i(TAG, "Found stale container " + cid + " with no package name");
13991                        continue;
13992                    }
13993                    if (DEBUG_SD_INSTALL)
13994                        Log.i(TAG, "Looking for pkg : " + pkgName);
13995
13996                    final PackageSetting ps = mSettings.mPackages.get(pkgName);
13997                    if (ps == null) {
13998                        Slog.i(TAG, "Found stale container " + cid + " with no matching settings");
13999                        continue;
14000                    }
14001
14002                    /*
14003                     * Skip packages that are not external if we're unmounting
14004                     * external storage.
14005                     */
14006                    if (externalStorage && !isMounted && !isExternal(ps)) {
14007                        continue;
14008                    }
14009
14010                    final AsecInstallArgs args = new AsecInstallArgs(cid,
14011                            getAppDexInstructionSets(ps), ps.isForwardLocked());
14012                    // The package status is changed only if the code path
14013                    // matches between settings and the container id.
14014                    if (ps.codePathString != null
14015                            && ps.codePathString.startsWith(args.getCodePath())) {
14016                        if (DEBUG_SD_INSTALL) {
14017                            Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName
14018                                    + " at code path: " + ps.codePathString);
14019                        }
14020
14021                        // We do have a valid package installed on sdcard
14022                        processCids.put(args, ps.codePathString);
14023                        final int uid = ps.appId;
14024                        if (uid != -1) {
14025                            uidArr = ArrayUtils.appendInt(uidArr, uid);
14026                        }
14027                    } else {
14028                        Slog.i(TAG, "Found stale container " + cid + ": expected codePath="
14029                                + ps.codePathString);
14030                    }
14031                }
14032            }
14033
14034            Arrays.sort(uidArr);
14035        }
14036
14037        // Process packages with valid entries.
14038        if (isMounted) {
14039            if (DEBUG_SD_INSTALL)
14040                Log.i(TAG, "Loading packages");
14041            loadMediaPackages(processCids, uidArr);
14042            startCleaningPackages();
14043            mInstallerService.onSecureContainersAvailable();
14044        } else {
14045            if (DEBUG_SD_INSTALL)
14046                Log.i(TAG, "Unloading packages");
14047            unloadMediaPackages(processCids, uidArr, reportStatus);
14048        }
14049    }
14050
14051    private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
14052            ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) {
14053        final int size = infos.size();
14054        final String[] packageNames = new String[size];
14055        final int[] packageUids = new int[size];
14056        for (int i = 0; i < size; i++) {
14057            final ApplicationInfo info = infos.get(i);
14058            packageNames[i] = info.packageName;
14059            packageUids[i] = info.uid;
14060        }
14061        sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids,
14062                finishedReceiver);
14063    }
14064
14065    private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
14066            ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) {
14067        sendResourcesChangedBroadcast(mediaStatus, replacing,
14068                pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver);
14069    }
14070
14071    private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
14072            String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) {
14073        int size = pkgList.length;
14074        if (size > 0) {
14075            // Send broadcasts here
14076            Bundle extras = new Bundle();
14077            extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList);
14078            if (uidArr != null) {
14079                extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr);
14080            }
14081            if (replacing) {
14082                extras.putBoolean(Intent.EXTRA_REPLACING, replacing);
14083            }
14084            String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE
14085                    : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE;
14086            sendPackageBroadcast(action, null, extras, null, finishedReceiver, null);
14087        }
14088    }
14089
14090   /*
14091     * Look at potentially valid container ids from processCids If package
14092     * information doesn't match the one on record or package scanning fails,
14093     * the cid is added to list of removeCids. We currently don't delete stale
14094     * containers.
14095     */
14096    private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) {
14097        ArrayList<String> pkgList = new ArrayList<String>();
14098        Set<AsecInstallArgs> keys = processCids.keySet();
14099
14100        for (AsecInstallArgs args : keys) {
14101            String codePath = processCids.get(args);
14102            if (DEBUG_SD_INSTALL)
14103                Log.i(TAG, "Loading container : " + args.cid);
14104            int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
14105            try {
14106                // Make sure there are no container errors first.
14107                if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) {
14108                    Slog.e(TAG, "Failed to mount cid : " + args.cid
14109                            + " when installing from sdcard");
14110                    continue;
14111                }
14112                // Check code path here.
14113                if (codePath == null || !codePath.startsWith(args.getCodePath())) {
14114                    Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath()
14115                            + " does not match one in settings " + codePath);
14116                    continue;
14117                }
14118                // Parse package
14119                int parseFlags = mDefParseFlags;
14120                if (args.isExternalAsec()) {
14121                    parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE;
14122                }
14123                if (args.isFwdLocked()) {
14124                    parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
14125                }
14126
14127                synchronized (mInstallLock) {
14128                    PackageParser.Package pkg = null;
14129                    try {
14130                        pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null);
14131                    } catch (PackageManagerException e) {
14132                        Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage());
14133                    }
14134                    // Scan the package
14135                    if (pkg != null) {
14136                        /*
14137                         * TODO why is the lock being held? doPostInstall is
14138                         * called in other places without the lock. This needs
14139                         * to be straightened out.
14140                         */
14141                        // writer
14142                        synchronized (mPackages) {
14143                            retCode = PackageManager.INSTALL_SUCCEEDED;
14144                            pkgList.add(pkg.packageName);
14145                            // Post process args
14146                            args.doPostInstall(PackageManager.INSTALL_SUCCEEDED,
14147                                    pkg.applicationInfo.uid);
14148                        }
14149                    } else {
14150                        Slog.i(TAG, "Failed to install pkg from  " + codePath + " from sdcard");
14151                    }
14152                }
14153
14154            } finally {
14155                if (retCode != PackageManager.INSTALL_SUCCEEDED) {
14156                    Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode);
14157                }
14158            }
14159        }
14160        // writer
14161        synchronized (mPackages) {
14162            // If the platform SDK has changed since the last time we booted,
14163            // we need to re-grant app permission to catch any new ones that
14164            // appear. This is really a hack, and means that apps can in some
14165            // cases get permissions that the user didn't initially explicitly
14166            // allow... it would be nice to have some better way to handle
14167            // this situation.
14168            final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion;
14169            if (regrantPermissions)
14170                Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to "
14171                        + mSdkVersion + "; regranting permissions for external storage");
14172            mSettings.mExternalSdkPlatform = mSdkVersion;
14173
14174            // Make sure group IDs have been assigned, and any permission
14175            // changes in other apps are accounted for
14176            updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
14177                    | (regrantPermissions
14178                            ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
14179                            : 0));
14180
14181            mSettings.updateExternalDatabaseVersion();
14182
14183            // can downgrade to reader
14184            // Persist settings
14185            mSettings.writeLPr();
14186        }
14187        // Send a broadcast to let everyone know we are done processing
14188        if (pkgList.size() > 0) {
14189            sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null);
14190        }
14191    }
14192
14193   /*
14194     * Utility method to unload a list of specified containers
14195     */
14196    private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) {
14197        // Just unmount all valid containers.
14198        for (AsecInstallArgs arg : cidArgs) {
14199            synchronized (mInstallLock) {
14200                arg.doPostDeleteLI(false);
14201           }
14202       }
14203   }
14204
14205    /*
14206     * Unload packages mounted on external media. This involves deleting package
14207     * data from internal structures, sending broadcasts about diabled packages,
14208     * gc'ing to free up references, unmounting all secure containers
14209     * corresponding to packages on external media, and posting a
14210     * UPDATED_MEDIA_STATUS message if status has been requested. Please note
14211     * that we always have to post this message if status has been requested no
14212     * matter what.
14213     */
14214    private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[],
14215            final boolean reportStatus) {
14216        if (DEBUG_SD_INSTALL)
14217            Log.i(TAG, "unloading media packages");
14218        ArrayList<String> pkgList = new ArrayList<String>();
14219        ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>();
14220        final Set<AsecInstallArgs> keys = processCids.keySet();
14221        for (AsecInstallArgs args : keys) {
14222            String pkgName = args.getPackageName();
14223            if (DEBUG_SD_INSTALL)
14224                Log.i(TAG, "Trying to unload pkg : " + pkgName);
14225            // Delete package internally
14226            PackageRemovedInfo outInfo = new PackageRemovedInfo();
14227            synchronized (mInstallLock) {
14228                boolean res = deletePackageLI(pkgName, null, false, null, null,
14229                        PackageManager.DELETE_KEEP_DATA, outInfo, false);
14230                if (res) {
14231                    pkgList.add(pkgName);
14232                } else {
14233                    Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName);
14234                    failedList.add(args);
14235                }
14236            }
14237        }
14238
14239        // reader
14240        synchronized (mPackages) {
14241            // We didn't update the settings after removing each package;
14242            // write them now for all packages.
14243            mSettings.writeLPr();
14244        }
14245
14246        // We have to absolutely send UPDATED_MEDIA_STATUS only
14247        // after confirming that all the receivers processed the ordered
14248        // broadcast when packages get disabled, force a gc to clean things up.
14249        // and unload all the containers.
14250        if (pkgList.size() > 0) {
14251            sendResourcesChangedBroadcast(false, false, pkgList, uidArr,
14252                    new IIntentReceiver.Stub() {
14253                public void performReceive(Intent intent, int resultCode, String data,
14254                        Bundle extras, boolean ordered, boolean sticky,
14255                        int sendingUser) throws RemoteException {
14256                    Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
14257                            reportStatus ? 1 : 0, 1, keys);
14258                    mHandler.sendMessage(msg);
14259                }
14260            });
14261        } else {
14262            Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1,
14263                    keys);
14264            mHandler.sendMessage(msg);
14265        }
14266    }
14267
14268    private void loadPrivatePackages(VolumeInfo vol) {
14269        final ArrayList<ApplicationInfo> loaded = new ArrayList<>();
14270        final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE;
14271        synchronized (mInstallLock) {
14272        synchronized (mPackages) {
14273            final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid);
14274            for (PackageSetting ps : packages) {
14275                final PackageParser.Package pkg;
14276                try {
14277                    pkg = scanPackageLI(ps.codePath, parseFlags, 0, 0, null);
14278                    loaded.add(pkg.applicationInfo);
14279                } catch (PackageManagerException e) {
14280                    Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage());
14281                }
14282            }
14283
14284            // TODO: regrant any permissions that changed based since original install
14285
14286            mSettings.writeLPr();
14287        }
14288        }
14289
14290        Slog.d(TAG, "Loaded packages " + loaded);
14291        sendResourcesChangedBroadcast(true, false, loaded, null);
14292    }
14293
14294    private void unloadPrivatePackages(VolumeInfo vol) {
14295        final ArrayList<ApplicationInfo> unloaded = new ArrayList<>();
14296        synchronized (mInstallLock) {
14297        synchronized (mPackages) {
14298            final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid);
14299            for (PackageSetting ps : packages) {
14300                if (ps.pkg == null) continue;
14301
14302                final ApplicationInfo info = ps.pkg.applicationInfo;
14303                final PackageRemovedInfo outInfo = new PackageRemovedInfo();
14304                if (deletePackageLI(ps.name, null, false, null, null,
14305                        PackageManager.DELETE_KEEP_DATA, outInfo, false)) {
14306                    unloaded.add(info);
14307                } else {
14308                    Slog.w(TAG, "Failed to unload " + ps.codePath);
14309                }
14310            }
14311
14312            mSettings.writeLPr();
14313        }
14314        }
14315
14316        Slog.d(TAG, "Unloaded packages " + unloaded);
14317        sendResourcesChangedBroadcast(false, false, unloaded, null);
14318    }
14319
14320    private void unfreezePackage(String packageName) {
14321        synchronized (mPackages) {
14322            final PackageSetting ps = mSettings.mPackages.get(packageName);
14323            if (ps != null) {
14324                ps.frozen = false;
14325            }
14326        }
14327    }
14328
14329    @Override
14330    public int movePackage(final String packageName, final String volumeUuid) {
14331        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
14332
14333        final int moveId = mNextMoveId.getAndIncrement();
14334        try {
14335            movePackageInternal(packageName, volumeUuid, moveId);
14336        } catch (PackageManagerException e) {
14337            Slog.d(TAG, "Failed to move " + packageName, e);
14338            mMoveCallbacks.notifyStatusChanged(moveId,
14339                    PackageManager.MOVE_FAILED_INTERNAL_ERROR);
14340        }
14341        return moveId;
14342    }
14343
14344    private void movePackageInternal(final String packageName, final String volumeUuid,
14345            final int moveId) throws PackageManagerException {
14346        final UserHandle user = new UserHandle(UserHandle.getCallingUserId());
14347        final StorageManager storage = mContext.getSystemService(StorageManager.class);
14348        final PackageManager pm = mContext.getPackageManager();
14349
14350        final boolean currentAsec;
14351        final String currentVolumeUuid;
14352        final File codeFile;
14353        final String installerPackageName;
14354        final String packageAbiOverride;
14355        final int appId;
14356        final String seinfo;
14357        final String label;
14358
14359        // reader
14360        synchronized (mPackages) {
14361            final PackageParser.Package pkg = mPackages.get(packageName);
14362            final PackageSetting ps = mSettings.mPackages.get(packageName);
14363            if (pkg == null || ps == null) {
14364                throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package");
14365            }
14366
14367            if (pkg.applicationInfo.isSystemApp()) {
14368                throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE,
14369                        "Cannot move system application");
14370            }
14371
14372            if (Objects.equals(ps.volumeUuid, volumeUuid)) {
14373                throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
14374                        "Package already moved to " + volumeUuid);
14375            }
14376
14377            final File probe = new File(pkg.codePath);
14378            final File probeOat = new File(probe, "oat");
14379            if (!probe.isDirectory() || !probeOat.isDirectory()) {
14380                throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
14381                        "Move only supported for modern cluster style installs");
14382            }
14383
14384            if (ps.frozen) {
14385                throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING,
14386                        "Failed to move already frozen package");
14387            }
14388            ps.frozen = true;
14389
14390            currentAsec = pkg.applicationInfo.isForwardLocked()
14391                    || pkg.applicationInfo.isExternalAsec();
14392            currentVolumeUuid = ps.volumeUuid;
14393            codeFile = new File(pkg.codePath);
14394            installerPackageName = ps.installerPackageName;
14395            packageAbiOverride = ps.cpuAbiOverrideString;
14396            appId = UserHandle.getAppId(pkg.applicationInfo.uid);
14397            seinfo = pkg.applicationInfo.seinfo;
14398            label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo));
14399        }
14400
14401        // Now that we're guarded by frozen state, kill app during move
14402        killApplication(packageName, appId, "move pkg");
14403
14404        final Bundle extras = new Bundle();
14405        extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName);
14406        extras.putString(Intent.EXTRA_TITLE, label);
14407        mMoveCallbacks.notifyCreated(moveId, extras);
14408
14409        int installFlags;
14410        final boolean moveCompleteApp;
14411        final File measurePath;
14412
14413        if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) {
14414            installFlags = INSTALL_INTERNAL;
14415            moveCompleteApp = !currentAsec;
14416            measurePath = Environment.getDataAppDirectory(volumeUuid);
14417        } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) {
14418            installFlags = INSTALL_EXTERNAL;
14419            moveCompleteApp = false;
14420            measurePath = storage.getPrimaryPhysicalVolume().getPath();
14421        } else {
14422            final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid);
14423            if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE
14424                    || !volume.isMountedWritable()) {
14425                unfreezePackage(packageName);
14426                throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
14427                        "Move location not mounted private volume");
14428            }
14429
14430            Preconditions.checkState(!currentAsec);
14431
14432            installFlags = INSTALL_INTERNAL;
14433            moveCompleteApp = true;
14434            measurePath = Environment.getDataAppDirectory(volumeUuid);
14435        }
14436
14437        final PackageStats stats = new PackageStats(null, -1);
14438        synchronized (mInstaller) {
14439            if (!getPackageSizeInfoLI(packageName, -1, stats)) {
14440                unfreezePackage(packageName);
14441                throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
14442                        "Failed to measure package size");
14443            }
14444        }
14445
14446        Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " + stats.dataSize);
14447
14448        final long startFreeBytes = measurePath.getFreeSpace();
14449        final long sizeBytes;
14450        if (moveCompleteApp) {
14451            sizeBytes = stats.codeSize + stats.dataSize;
14452        } else {
14453            sizeBytes = stats.codeSize;
14454        }
14455
14456        if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) {
14457            unfreezePackage(packageName);
14458            throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR,
14459                    "Not enough free space to move");
14460        }
14461
14462        mMoveCallbacks.notifyStatusChanged(moveId, 10);
14463
14464        final CountDownLatch installedLatch = new CountDownLatch(1);
14465        final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() {
14466            @Override
14467            public void onUserActionRequired(Intent intent) throws RemoteException {
14468                throw new IllegalStateException();
14469            }
14470
14471            @Override
14472            public void onPackageInstalled(String basePackageName, int returnCode, String msg,
14473                    Bundle extras) throws RemoteException {
14474                Slog.d(TAG, "Install result for move: "
14475                        + PackageManager.installStatusToString(returnCode, msg));
14476
14477                installedLatch.countDown();
14478
14479                // Regardless of success or failure of the move operation,
14480                // always unfreeze the package
14481                unfreezePackage(packageName);
14482
14483                final int status = PackageManager.installStatusToPublicStatus(returnCode);
14484                switch (status) {
14485                    case PackageInstaller.STATUS_SUCCESS:
14486                        mMoveCallbacks.notifyStatusChanged(moveId,
14487                                PackageManager.MOVE_SUCCEEDED);
14488                        break;
14489                    case PackageInstaller.STATUS_FAILURE_STORAGE:
14490                        mMoveCallbacks.notifyStatusChanged(moveId,
14491                                PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE);
14492                        break;
14493                    default:
14494                        mMoveCallbacks.notifyStatusChanged(moveId,
14495                                PackageManager.MOVE_FAILED_INTERNAL_ERROR);
14496                        break;
14497                }
14498            }
14499        };
14500
14501        final MoveInfo move;
14502        if (moveCompleteApp) {
14503            // Kick off a thread to report progress estimates
14504            new Thread() {
14505                @Override
14506                public void run() {
14507                    while (true) {
14508                        try {
14509                            if (installedLatch.await(1, TimeUnit.SECONDS)) {
14510                                break;
14511                            }
14512                        } catch (InterruptedException ignored) {
14513                        }
14514
14515                        final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace();
14516                        final int progress = 10 + (int) MathUtils.constrain(
14517                                ((deltaFreeBytes * 80) / sizeBytes), 0, 80);
14518                        mMoveCallbacks.notifyStatusChanged(moveId, progress);
14519                    }
14520                }
14521            }.start();
14522
14523            final String dataAppName = codeFile.getName();
14524            move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName,
14525                    dataAppName, appId, seinfo);
14526        } else {
14527            move = null;
14528        }
14529
14530        installFlags |= PackageManager.INSTALL_REPLACE_EXISTING;
14531
14532        final Message msg = mHandler.obtainMessage(INIT_COPY);
14533        final OriginInfo origin = OriginInfo.fromExistingFile(codeFile);
14534        msg.obj = new InstallParams(origin, move, installObserver, installFlags,
14535                installerPackageName, volumeUuid, null, user, packageAbiOverride);
14536        mHandler.sendMessage(msg);
14537    }
14538
14539    @Override
14540    public int movePrimaryStorage(String volumeUuid) throws RemoteException {
14541        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
14542
14543        final int realMoveId = mNextMoveId.getAndIncrement();
14544        final Bundle extras = new Bundle();
14545        extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid);
14546        mMoveCallbacks.notifyCreated(realMoveId, extras);
14547
14548        final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() {
14549            @Override
14550            public void onCreated(int moveId, Bundle extras) {
14551                // Ignored
14552            }
14553
14554            @Override
14555            public void onStatusChanged(int moveId, int status, long estMillis) {
14556                mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis);
14557            }
14558        };
14559
14560        final StorageManager storage = mContext.getSystemService(StorageManager.class);
14561        storage.setPrimaryStorageUuid(volumeUuid, callback);
14562        return realMoveId;
14563    }
14564
14565    @Override
14566    public int getMoveStatus(int moveId) {
14567        mContext.enforceCallingOrSelfPermission(
14568                android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null);
14569        return mMoveCallbacks.mLastStatus.get(moveId);
14570    }
14571
14572    @Override
14573    public void registerMoveCallback(IPackageMoveObserver callback) {
14574        mContext.enforceCallingOrSelfPermission(
14575                android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null);
14576        mMoveCallbacks.register(callback);
14577    }
14578
14579    @Override
14580    public void unregisterMoveCallback(IPackageMoveObserver callback) {
14581        mContext.enforceCallingOrSelfPermission(
14582                android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null);
14583        mMoveCallbacks.unregister(callback);
14584    }
14585
14586    @Override
14587    public boolean setInstallLocation(int loc) {
14588        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS,
14589                null);
14590        if (getInstallLocation() == loc) {
14591            return true;
14592        }
14593        if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL
14594                || loc == PackageHelper.APP_INSTALL_EXTERNAL) {
14595            android.provider.Settings.Global.putInt(mContext.getContentResolver(),
14596                    android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc);
14597            return true;
14598        }
14599        return false;
14600   }
14601
14602    @Override
14603    public int getInstallLocation() {
14604        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
14605                android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION,
14606                PackageHelper.APP_INSTALL_AUTO);
14607    }
14608
14609    /** Called by UserManagerService */
14610    void cleanUpUserLILPw(UserManagerService userManager, int userHandle) {
14611        mDirtyUsers.remove(userHandle);
14612        mSettings.removeUserLPw(userHandle);
14613        mPendingBroadcasts.remove(userHandle);
14614        if (mInstaller != null) {
14615            // Technically, we shouldn't be doing this with the package lock
14616            // held.  However, this is very rare, and there is already so much
14617            // other disk I/O going on, that we'll let it slide for now.
14618            final StorageManager storage = StorageManager.from(mContext);
14619            final List<VolumeInfo> vols = storage.getVolumes();
14620            for (VolumeInfo vol : vols) {
14621                if (vol.getType() == VolumeInfo.TYPE_PRIVATE && vol.isMountedWritable()) {
14622                    final String volumeUuid = vol.getFsUuid();
14623                    Slog.d(TAG, "Removing user data on volume " + volumeUuid);
14624                    mInstaller.removeUserDataDirs(volumeUuid, userHandle);
14625                }
14626            }
14627        }
14628        mUserNeedsBadging.delete(userHandle);
14629        removeUnusedPackagesLILPw(userManager, userHandle);
14630    }
14631
14632    /**
14633     * We're removing userHandle and would like to remove any downloaded packages
14634     * that are no longer in use by any other user.
14635     * @param userHandle the user being removed
14636     */
14637    private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) {
14638        final boolean DEBUG_CLEAN_APKS = false;
14639        int [] users = userManager.getUserIdsLPr();
14640        Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
14641        while (psit.hasNext()) {
14642            PackageSetting ps = psit.next();
14643            if (ps.pkg == null) {
14644                continue;
14645            }
14646            final String packageName = ps.pkg.packageName;
14647            // Skip over if system app
14648            if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) {
14649                continue;
14650            }
14651            if (DEBUG_CLEAN_APKS) {
14652                Slog.i(TAG, "Checking package " + packageName);
14653            }
14654            boolean keep = false;
14655            for (int i = 0; i < users.length; i++) {
14656                if (users[i] != userHandle && ps.getInstalled(users[i])) {
14657                    keep = true;
14658                    if (DEBUG_CLEAN_APKS) {
14659                        Slog.i(TAG, "  Keeping package " + packageName + " for user "
14660                                + users[i]);
14661                    }
14662                    break;
14663                }
14664            }
14665            if (!keep) {
14666                if (DEBUG_CLEAN_APKS) {
14667                    Slog.i(TAG, "  Removing package " + packageName);
14668                }
14669                mHandler.post(new Runnable() {
14670                    public void run() {
14671                        deletePackageX(packageName, userHandle, 0);
14672                    } //end run
14673                });
14674            }
14675        }
14676    }
14677
14678    /** Called by UserManagerService */
14679    void createNewUserLILPw(int userHandle, File path) {
14680        if (mInstaller != null) {
14681            mInstaller.createUserConfig(userHandle);
14682            mSettings.createNewUserLILPw(this, mInstaller, userHandle, path);
14683        }
14684    }
14685
14686    void newUserCreatedLILPw(int userHandle) {
14687        // Adding a user requires updating runtime permissions for system apps.
14688        updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL);
14689    }
14690
14691    @Override
14692    public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException {
14693        mContext.enforceCallingOrSelfPermission(
14694                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
14695                "Only package verification agents can read the verifier device identity");
14696
14697        synchronized (mPackages) {
14698            return mSettings.getVerifierDeviceIdentityLPw();
14699        }
14700    }
14701
14702    @Override
14703    public void setPermissionEnforced(String permission, boolean enforced) {
14704        mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null);
14705        if (READ_EXTERNAL_STORAGE.equals(permission)) {
14706            synchronized (mPackages) {
14707                if (mSettings.mReadExternalStorageEnforced == null
14708                        || mSettings.mReadExternalStorageEnforced != enforced) {
14709                    mSettings.mReadExternalStorageEnforced = enforced;
14710                    mSettings.writeLPr();
14711                }
14712            }
14713            // kill any non-foreground processes so we restart them and
14714            // grant/revoke the GID.
14715            final IActivityManager am = ActivityManagerNative.getDefault();
14716            if (am != null) {
14717                final long token = Binder.clearCallingIdentity();
14718                try {
14719                    am.killProcessesBelowForeground("setPermissionEnforcement");
14720                } catch (RemoteException e) {
14721                } finally {
14722                    Binder.restoreCallingIdentity(token);
14723                }
14724            }
14725        } else {
14726            throw new IllegalArgumentException("No selective enforcement for " + permission);
14727        }
14728    }
14729
14730    @Override
14731    @Deprecated
14732    public boolean isPermissionEnforced(String permission) {
14733        return true;
14734    }
14735
14736    @Override
14737    public boolean isStorageLow() {
14738        final long token = Binder.clearCallingIdentity();
14739        try {
14740            final DeviceStorageMonitorInternal
14741                    dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
14742            if (dsm != null) {
14743                return dsm.isMemoryLow();
14744            } else {
14745                return false;
14746            }
14747        } finally {
14748            Binder.restoreCallingIdentity(token);
14749        }
14750    }
14751
14752    @Override
14753    public IPackageInstaller getPackageInstaller() {
14754        return mInstallerService;
14755    }
14756
14757    private boolean userNeedsBadging(int userId) {
14758        int index = mUserNeedsBadging.indexOfKey(userId);
14759        if (index < 0) {
14760            final UserInfo userInfo;
14761            final long token = Binder.clearCallingIdentity();
14762            try {
14763                userInfo = sUserManager.getUserInfo(userId);
14764            } finally {
14765                Binder.restoreCallingIdentity(token);
14766            }
14767            final boolean b;
14768            if (userInfo != null && userInfo.isManagedProfile()) {
14769                b = true;
14770            } else {
14771                b = false;
14772            }
14773            mUserNeedsBadging.put(userId, b);
14774            return b;
14775        }
14776        return mUserNeedsBadging.valueAt(index);
14777    }
14778
14779    @Override
14780    public KeySet getKeySetByAlias(String packageName, String alias) {
14781        if (packageName == null || alias == null) {
14782            return null;
14783        }
14784        synchronized(mPackages) {
14785            final PackageParser.Package pkg = mPackages.get(packageName);
14786            if (pkg == null) {
14787                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
14788                throw new IllegalArgumentException("Unknown package: " + packageName);
14789            }
14790            KeySetManagerService ksms = mSettings.mKeySetManagerService;
14791            return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias));
14792        }
14793    }
14794
14795    @Override
14796    public KeySet getSigningKeySet(String packageName) {
14797        if (packageName == null) {
14798            return null;
14799        }
14800        synchronized(mPackages) {
14801            final PackageParser.Package pkg = mPackages.get(packageName);
14802            if (pkg == null) {
14803                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
14804                throw new IllegalArgumentException("Unknown package: " + packageName);
14805            }
14806            if (pkg.applicationInfo.uid != Binder.getCallingUid()
14807                    && Process.SYSTEM_UID != Binder.getCallingUid()) {
14808                throw new SecurityException("May not access signing KeySet of other apps.");
14809            }
14810            KeySetManagerService ksms = mSettings.mKeySetManagerService;
14811            return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName));
14812        }
14813    }
14814
14815    @Override
14816    public boolean isPackageSignedByKeySet(String packageName, KeySet ks) {
14817        if (packageName == null || ks == null) {
14818            return false;
14819        }
14820        synchronized(mPackages) {
14821            final PackageParser.Package pkg = mPackages.get(packageName);
14822            if (pkg == null) {
14823                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
14824                throw new IllegalArgumentException("Unknown package: " + packageName);
14825            }
14826            IBinder ksh = ks.getToken();
14827            if (ksh instanceof KeySetHandle) {
14828                KeySetManagerService ksms = mSettings.mKeySetManagerService;
14829                return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh);
14830            }
14831            return false;
14832        }
14833    }
14834
14835    @Override
14836    public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) {
14837        if (packageName == null || ks == null) {
14838            return false;
14839        }
14840        synchronized(mPackages) {
14841            final PackageParser.Package pkg = mPackages.get(packageName);
14842            if (pkg == null) {
14843                Slog.w(TAG, "KeySet requested for unknown package:" + packageName);
14844                throw new IllegalArgumentException("Unknown package: " + packageName);
14845            }
14846            IBinder ksh = ks.getToken();
14847            if (ksh instanceof KeySetHandle) {
14848                KeySetManagerService ksms = mSettings.mKeySetManagerService;
14849                return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh);
14850            }
14851            return false;
14852        }
14853    }
14854
14855    public void getUsageStatsIfNoPackageUsageInfo() {
14856        if (!mPackageUsage.isHistoricalPackageUsageAvailable()) {
14857            UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE);
14858            if (usm == null) {
14859                throw new IllegalStateException("UsageStatsManager must be initialized");
14860            }
14861            long now = System.currentTimeMillis();
14862            Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now);
14863            for (Map.Entry<String, UsageStats> entry : stats.entrySet()) {
14864                String packageName = entry.getKey();
14865                PackageParser.Package pkg = mPackages.get(packageName);
14866                if (pkg == null) {
14867                    continue;
14868                }
14869                UsageStats usage = entry.getValue();
14870                pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed();
14871                mPackageUsage.mIsHistoricalPackageUsageAvailable = true;
14872            }
14873        }
14874    }
14875
14876    /**
14877     * Check and throw if the given before/after packages would be considered a
14878     * downgrade.
14879     */
14880    private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after)
14881            throws PackageManagerException {
14882        if (after.versionCode < before.mVersionCode) {
14883            throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE,
14884                    "Update version code " + after.versionCode + " is older than current "
14885                    + before.mVersionCode);
14886        } else if (after.versionCode == before.mVersionCode) {
14887            if (after.baseRevisionCode < before.baseRevisionCode) {
14888                throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE,
14889                        "Update base revision code " + after.baseRevisionCode
14890                        + " is older than current " + before.baseRevisionCode);
14891            }
14892
14893            if (!ArrayUtils.isEmpty(after.splitNames)) {
14894                for (int i = 0; i < after.splitNames.length; i++) {
14895                    final String splitName = after.splitNames[i];
14896                    final int j = ArrayUtils.indexOf(before.splitNames, splitName);
14897                    if (j != -1) {
14898                        if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) {
14899                            throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE,
14900                                    "Update split " + splitName + " revision code "
14901                                    + after.splitRevisionCodes[i] + " is older than current "
14902                                    + before.splitRevisionCodes[j]);
14903                        }
14904                    }
14905                }
14906            }
14907        }
14908    }
14909
14910    private static class MoveCallbacks extends Handler {
14911        private static final int MSG_CREATED = 1;
14912        private static final int MSG_STATUS_CHANGED = 2;
14913
14914        private final RemoteCallbackList<IPackageMoveObserver>
14915                mCallbacks = new RemoteCallbackList<>();
14916
14917        private final SparseIntArray mLastStatus = new SparseIntArray();
14918
14919        public MoveCallbacks(Looper looper) {
14920            super(looper);
14921        }
14922
14923        public void register(IPackageMoveObserver callback) {
14924            mCallbacks.register(callback);
14925        }
14926
14927        public void unregister(IPackageMoveObserver callback) {
14928            mCallbacks.unregister(callback);
14929        }
14930
14931        @Override
14932        public void handleMessage(Message msg) {
14933            final SomeArgs args = (SomeArgs) msg.obj;
14934            final int n = mCallbacks.beginBroadcast();
14935            for (int i = 0; i < n; i++) {
14936                final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i);
14937                try {
14938                    invokeCallback(callback, msg.what, args);
14939                } catch (RemoteException ignored) {
14940                }
14941            }
14942            mCallbacks.finishBroadcast();
14943            args.recycle();
14944        }
14945
14946        private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args)
14947                throws RemoteException {
14948            switch (what) {
14949                case MSG_CREATED: {
14950                    callback.onCreated(args.argi1, (Bundle) args.arg2);
14951                    break;
14952                }
14953                case MSG_STATUS_CHANGED: {
14954                    callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3);
14955                    break;
14956                }
14957            }
14958        }
14959
14960        private void notifyCreated(int moveId, Bundle extras) {
14961            Slog.v(TAG, "Move " + moveId + " created " + extras.toString());
14962
14963            final SomeArgs args = SomeArgs.obtain();
14964            args.argi1 = moveId;
14965            args.arg2 = extras;
14966            obtainMessage(MSG_CREATED, args).sendToTarget();
14967        }
14968
14969        private void notifyStatusChanged(int moveId, int status) {
14970            notifyStatusChanged(moveId, status, -1);
14971        }
14972
14973        private void notifyStatusChanged(int moveId, int status, long estMillis) {
14974            Slog.v(TAG, "Move " + moveId + " status " + status);
14975
14976            final SomeArgs args = SomeArgs.obtain();
14977            args.argi1 = moveId;
14978            args.argi2 = status;
14979            args.arg3 = estMillis;
14980            obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget();
14981
14982            synchronized (mLastStatus) {
14983                mLastStatus.put(moveId, status);
14984            }
14985        }
14986    }
14987}
14988