PackageManagerService.java revision cef0b39b9211882f59b6bfe1148e2cd247056693 
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.Manifest.permission.INSTALL_PACKAGES;
22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT;
23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED;
25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER;
26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED;
27import static android.os.Process.PACKAGE_INFO_GID;
28import static android.os.Process.SYSTEM_UID;
29import static android.system.OsConstants.S_IRGRP;
30import static android.system.OsConstants.S_IROTH;
31import static android.system.OsConstants.S_IRWXU;
32import static android.system.OsConstants.S_IXGRP;
33import static android.system.OsConstants.S_IXOTH;
34import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE;
35import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER;
36import static com.android.internal.util.ArrayUtils.appendInt;
37import static com.android.internal.util.ArrayUtils.removeInt;
38
39import android.util.ArrayMap;
40import com.android.internal.R;
41import com.android.internal.app.IMediaContainerService;
42import com.android.internal.app.ResolverActivity;
43import com.android.internal.content.NativeLibraryHelper;
44import com.android.internal.content.NativeLibraryHelper.ApkHandle;
45import com.android.internal.content.PackageHelper;
46import com.android.internal.util.ArrayUtils;
47import com.android.internal.util.FastPrintWriter;
48import com.android.internal.util.FastXmlSerializer;
49import com.android.internal.util.XmlUtils;
50import com.android.server.EventLogTags;
51import com.android.server.IntentResolver;
52import com.android.server.LocalServices;
53import com.android.server.ServiceThread;
54import com.android.server.SystemConfig;
55import com.android.server.Watchdog;
56import com.android.server.pm.Settings.DatabaseVersion;
57import com.android.server.storage.DeviceStorageMonitorInternal;
58
59import org.xmlpull.v1.XmlPullParser;
60import org.xmlpull.v1.XmlPullParserException;
61import org.xmlpull.v1.XmlSerializer;
62
63import android.app.ActivityManager;
64import android.app.ActivityManagerNative;
65import android.app.IActivityManager;
66import android.app.PackageInstallObserver;
67import android.app.admin.IDevicePolicyManager;
68import android.app.backup.IBackupManager;
69import android.content.BroadcastReceiver;
70import android.content.ComponentName;
71import android.content.Context;
72import android.content.IIntentReceiver;
73import android.content.Intent;
74import android.content.IntentFilter;
75import android.content.IntentSender;
76import android.content.IntentSender.SendIntentException;
77import android.content.ServiceConnection;
78import android.content.pm.ActivityInfo;
79import android.content.pm.ApplicationInfo;
80import android.content.pm.ContainerEncryptionParams;
81import android.content.pm.FeatureInfo;
82import android.content.pm.IPackageDataObserver;
83import android.content.pm.IPackageDeleteObserver;
84import android.content.pm.IPackageInstallObserver;
85import android.content.pm.IPackageInstallObserver2;
86import android.content.pm.IPackageInstaller;
87import android.content.pm.IPackageManager;
88import android.content.pm.IPackageMoveObserver;
89import android.content.pm.IPackageStatsObserver;
90import android.content.pm.InstrumentationInfo;
91import android.content.pm.ManifestDigest;
92import android.content.pm.PackageCleanItem;
93import android.content.pm.PackageInfo;
94import android.content.pm.PackageInfoLite;
95import android.content.pm.PackageManager;
96import android.content.pm.PackageParser.ActivityIntentInfo;
97import android.content.pm.PackageParser.PackageParserException;
98import android.content.pm.PackageParser;
99import android.content.pm.PackageStats;
100import android.content.pm.PackageUserState;
101import android.content.pm.ParceledListSlice;
102import android.content.pm.PermissionGroupInfo;
103import android.content.pm.PermissionInfo;
104import android.content.pm.ProviderInfo;
105import android.content.pm.ResolveInfo;
106import android.content.pm.ServiceInfo;
107import android.content.pm.Signature;
108import android.content.pm.VerificationParams;
109import android.content.pm.VerifierDeviceIdentity;
110import android.content.pm.VerifierInfo;
111import android.content.res.Resources;
112import android.hardware.display.DisplayManager;
113import android.net.Uri;
114import android.os.Binder;
115import android.os.Build;
116import android.os.Bundle;
117import android.os.Environment;
118import android.os.Environment.UserEnvironment;
119import android.os.FileObserver;
120import android.os.FileUtils;
121import android.os.Handler;
122import android.os.IBinder;
123import android.os.Looper;
124import android.os.Message;
125import android.os.Parcel;
126import android.os.ParcelFileDescriptor;
127import android.os.Process;
128import android.os.RemoteException;
129import android.os.SELinux;
130import android.os.ServiceManager;
131import android.os.SystemClock;
132import android.os.SystemProperties;
133import android.os.UserHandle;
134import android.os.UserManager;
135import android.security.KeyStore;
136import android.security.SystemKeyStore;
137import android.system.ErrnoException;
138import android.system.Os;
139import android.system.StructStat;
140import android.text.TextUtils;
141import android.util.ArraySet;
142import android.util.AtomicFile;
143import android.util.DisplayMetrics;
144import android.util.EventLog;
145import android.util.Log;
146import android.util.LogPrinter;
147import android.util.PrintStreamPrinter;
148import android.util.Slog;
149import android.util.SparseArray;
150import android.util.SparseBooleanArray;
151import android.util.Xml;
152import android.view.Display;
153
154import java.io.BufferedInputStream;
155import java.io.BufferedOutputStream;
156import java.io.File;
157import java.io.FileDescriptor;
158import java.io.FileInputStream;
159import java.io.FileNotFoundException;
160import java.io.FileOutputStream;
161import java.io.FileReader;
162import java.io.FilenameFilter;
163import java.io.IOException;
164import java.io.InputStream;
165import java.io.PrintWriter;
166import java.nio.charset.StandardCharsets;
167import java.security.NoSuchAlgorithmException;
168import java.security.PublicKey;
169import java.security.cert.CertificateEncodingException;
170import java.security.cert.CertificateException;
171import java.text.SimpleDateFormat;
172import java.util.ArrayList;
173import java.util.Arrays;
174import java.util.Collection;
175import java.util.Collections;
176import java.util.Comparator;
177import java.util.Date;
178import java.util.HashMap;
179import java.util.HashSet;
180import java.util.Iterator;
181import java.util.List;
182import java.util.Map;
183import java.util.Set;
184import java.util.concurrent.atomic.AtomicBoolean;
185import java.util.concurrent.atomic.AtomicLong;
186
187import dalvik.system.DexFile;
188import dalvik.system.StaleDexCacheError;
189import dalvik.system.VMRuntime;
190
191import libcore.io.IoUtils;
192
193/**
194 * Keep track of all those .apks everywhere.
195 *
196 * This is very central to the platform's security; please run the unit
197 * tests whenever making modifications here:
198 *
199mmm frameworks/base/tests/AndroidTests
200adb install -r -f out/target/product/passion/data/app/AndroidTests.apk
201adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner
202 *
203 * {@hide}
204 */
205public class PackageManagerService extends IPackageManager.Stub {
206    static final String TAG = "PackageManager";
207    static final boolean DEBUG_SETTINGS = false;
208    static final boolean DEBUG_PREFERRED = false;
209    static final boolean DEBUG_UPGRADE = false;
210    private static final boolean DEBUG_INSTALL = false;
211    private static final boolean DEBUG_REMOVE = false;
212    private static final boolean DEBUG_BROADCASTS = false;
213    private static final boolean DEBUG_SHOW_INFO = false;
214    private static final boolean DEBUG_PACKAGE_INFO = false;
215    private static final boolean DEBUG_INTENT_MATCHING = false;
216    private static final boolean DEBUG_PACKAGE_SCANNING = false;
217    private static final boolean DEBUG_APP_DIR_OBSERVER = false;
218    private static final boolean DEBUG_VERIFY = false;
219    private static final boolean DEBUG_DEXOPT = false;
220
221    private static final int RADIO_UID = Process.PHONE_UID;
222    private static final int LOG_UID = Process.LOG_UID;
223    private static final int NFC_UID = Process.NFC_UID;
224    private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID;
225    private static final int SHELL_UID = Process.SHELL_UID;
226
227    // Cap the size of permission trees that 3rd party apps can define
228    private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768;     // characters of text
229
230    private static final int REMOVE_EVENTS =
231        FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM;
232    private static final int ADD_EVENTS =
233        FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO;
234
235    private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS;
236    // Suffix used during package installation when copying/moving
237    // package apks to install directory.
238    private static final String INSTALL_PACKAGE_SUFFIX = "-";
239
240    static final int SCAN_MONITOR = 1<<0;
241    static final int SCAN_NO_DEX = 1<<1;
242    static final int SCAN_FORCE_DEX = 1<<2;
243    static final int SCAN_UPDATE_SIGNATURE = 1<<3;
244    static final int SCAN_NEW_INSTALL = 1<<4;
245    static final int SCAN_NO_PATHS = 1<<5;
246    static final int SCAN_UPDATE_TIME = 1<<6;
247    static final int SCAN_DEFER_DEX = 1<<7;
248    static final int SCAN_BOOTING = 1<<8;
249    static final int SCAN_TRUSTED_OVERLAY = 1<<9;
250    static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10;
251
252    static final int REMOVE_CHATTY = 1<<16;
253
254    /**
255     * Timeout (in milliseconds) after which the watchdog should declare that
256     * our handler thread is wedged.  The usual default for such things is one
257     * minute but we sometimes do very lengthy I/O operations on this thread,
258     * such as installing multi-gigabyte applications, so ours needs to be longer.
259     */
260    private static final long WATCHDOG_TIMEOUT = 1000*60*10;     // ten minutes
261
262    /**
263     * Whether verification is enabled by default.
264     */
265    private static final boolean DEFAULT_VERIFY_ENABLE = true;
266
267    /**
268     * The default maximum time to wait for the verification agent to return in
269     * milliseconds.
270     */
271    private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000;
272
273    /**
274     * The default response for package verification timeout.
275     *
276     * This can be either PackageManager.VERIFICATION_ALLOW or
277     * PackageManager.VERIFICATION_REJECT.
278     */
279    private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW;
280
281    static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer";
282
283    static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName(
284            DEFAULT_CONTAINER_PACKAGE,
285            "com.android.defcontainer.DefaultContainerService");
286
287    private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
288
289    private static final String LIB_DIR_NAME = "lib";
290    private static final String LIB64_DIR_NAME = "lib64";
291
292    private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay";
293
294    static final String mTempContainerPrefix = "smdl2tmp";
295
296    private static String sPreferredInstructionSet;
297
298    final ServiceThread mHandlerThread;
299
300    private static final String IDMAP_PREFIX = "/data/resource-cache/";
301    private static final String IDMAP_SUFFIX = "@idmap";
302
303    final PackageHandler mHandler;
304
305    final int mSdkVersion = Build.VERSION.SDK_INT;
306
307    final Context mContext;
308    final boolean mFactoryTest;
309    final boolean mOnlyCore;
310    final DisplayMetrics mMetrics;
311    final int mDefParseFlags;
312    final String[] mSeparateProcesses;
313
314    // This is where all application persistent data goes.
315    final File mAppDataDir;
316
317    // This is where all application persistent data goes for secondary users.
318    final File mUserAppDataDir;
319
320    /** The location for ASEC container files on internal storage. */
321    final String mAsecInternalPath;
322
323    // This is the object monitoring the framework dir.
324    final FileObserver mFrameworkInstallObserver;
325
326    // This is the object monitoring the system app dir.
327    final FileObserver mSystemInstallObserver;
328
329    // This is the object monitoring the privileged system app dir.
330    final FileObserver mPrivilegedInstallObserver;
331
332    // This is the object monitoring the vendor app dir.
333    final FileObserver mVendorInstallObserver;
334
335    // This is the object monitoring the vendor overlay package dir.
336    final FileObserver mVendorOverlayInstallObserver;
337
338    // This is the object monitoring the OEM app dir.
339    final FileObserver mOemInstallObserver;
340
341    // This is the object monitoring mAppInstallDir.
342    final FileObserver mAppInstallObserver;
343
344    // This is the object monitoring mDrmAppPrivateInstallDir.
345    final FileObserver mDrmAppInstallObserver;
346
347    // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages
348    // LOCK HELD.  Can be called with mInstallLock held.
349    final Installer mInstaller;
350
351    final File mAppInstallDir;
352
353    /**
354     * Directory to which applications installed internally have native
355     * libraries copied.
356     */
357    private File mAppLibInstallDir;
358
359    // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked
360    // apps.
361    final File mDrmAppPrivateInstallDir;
362
363    final File mAppStagingDir;
364
365    // ----------------------------------------------------------------
366
367    // Lock for state used when installing and doing other long running
368    // operations.  Methods that must be called with this lock held have
369    // the suffix "LI".
370    final Object mInstallLock = new Object();
371
372    // These are the directories in the 3rd party applications installed dir
373    // that we have currently loaded packages from.  Keys are the application's
374    // installed zip file (absolute codePath), and values are Package.
375    final HashMap<String, PackageParser.Package> mAppDirs =
376            new HashMap<String, PackageParser.Package>();
377
378    // Information for the parser to write more useful error messages.
379    int mLastScanError;
380
381    // ----------------------------------------------------------------
382
383    // Keys are String (package name), values are Package.  This also serves
384    // as the lock for the global state.  Methods that must be called with
385    // this lock held have the prefix "LP".
386    final HashMap<String, PackageParser.Package> mPackages =
387            new HashMap<String, PackageParser.Package>();
388
389    // Tracks available target package names -> overlay package paths.
390    final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays =
391        new HashMap<String, HashMap<String, PackageParser.Package>>();
392
393    final Settings mSettings;
394    boolean mRestoredSettings;
395
396    // System configuration read by SystemConfig.
397    final int[] mGlobalGids;
398    final SparseArray<HashSet<String>> mSystemPermissions;
399    final HashMap<String, FeatureInfo> mAvailableFeatures;
400
401    // If mac_permissions.xml was found for seinfo labeling.
402    boolean mFoundPolicyFile;
403
404    // If a recursive restorecon of /data/data/<pkg> is needed.
405    private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon();
406
407    public static final class SharedLibraryEntry {
408        public final String path;
409        public final String apk;
410
411        SharedLibraryEntry(String _path, String _apk) {
412            path = _path;
413            apk = _apk;
414        }
415    }
416
417    // Currently known shared libraries.
418    final HashMap<String, SharedLibraryEntry> mSharedLibraries =
419            new HashMap<String, SharedLibraryEntry>();
420
421    // All available activities, for your resolving pleasure.
422    final ActivityIntentResolver mActivities =
423            new ActivityIntentResolver();
424
425    // All available receivers, for your resolving pleasure.
426    final ActivityIntentResolver mReceivers =
427            new ActivityIntentResolver();
428
429    // All available services, for your resolving pleasure.
430    final ServiceIntentResolver mServices = new ServiceIntentResolver();
431
432    // All available providers, for your resolving pleasure.
433    final ProviderIntentResolver mProviders = new ProviderIntentResolver();
434
435    // Mapping from provider base names (first directory in content URI codePath)
436    // to the provider information.
437    final HashMap<String, PackageParser.Provider> mProvidersByAuthority =
438            new HashMap<String, PackageParser.Provider>();
439
440    // Mapping from instrumentation class names to info about them.
441    final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation =
442            new HashMap<ComponentName, PackageParser.Instrumentation>();
443
444    // Mapping from permission names to info about them.
445    final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups =
446            new HashMap<String, PackageParser.PermissionGroup>();
447
448    // Packages whose data we have transfered into another package, thus
449    // should no longer exist.
450    final HashSet<String> mTransferedPackages = new HashSet<String>();
451
452    // Broadcast actions that are only available to the system.
453    final HashSet<String> mProtectedBroadcasts = new HashSet<String>();
454
455    /** List of packages waiting for verification. */
456    final SparseArray<PackageVerificationState> mPendingVerification
457            = new SparseArray<PackageVerificationState>();
458
459    final PackageInstallerService mInstallerService;
460
461    HashSet<PackageParser.Package> mDeferredDexOpt = null;
462
463    /** Token for keys in mPendingVerification. */
464    private int mPendingVerificationToken = 0;
465
466    boolean mSystemReady;
467    boolean mSafeMode;
468    boolean mHasSystemUidErrors;
469
470    ApplicationInfo mAndroidApplication;
471    final ActivityInfo mResolveActivity = new ActivityInfo();
472    final ResolveInfo mResolveInfo = new ResolveInfo();
473    ComponentName mResolveComponentName;
474    PackageParser.Package mPlatformPackage;
475    ComponentName mCustomResolverComponentName;
476
477    boolean mResolverReplaced = false;
478
479    // Set of pending broadcasts for aggregating enable/disable of components.
480    static class PendingPackageBroadcasts {
481        // for each user id, a map of <package name -> components within that package>
482        final SparseArray<HashMap<String, ArrayList<String>>> mUidMap;
483
484        public PendingPackageBroadcasts() {
485            mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2);
486        }
487
488        public ArrayList<String> get(int userId, String packageName) {
489            HashMap<String, ArrayList<String>> packages = getOrAllocate(userId);
490            return packages.get(packageName);
491        }
492
493        public void put(int userId, String packageName, ArrayList<String> components) {
494            HashMap<String, ArrayList<String>> packages = getOrAllocate(userId);
495            packages.put(packageName, components);
496        }
497
498        public void remove(int userId, String packageName) {
499            HashMap<String, ArrayList<String>> packages = mUidMap.get(userId);
500            if (packages != null) {
501                packages.remove(packageName);
502            }
503        }
504
505        public void remove(int userId) {
506            mUidMap.remove(userId);
507        }
508
509        public int userIdCount() {
510            return mUidMap.size();
511        }
512
513        public int userIdAt(int n) {
514            return mUidMap.keyAt(n);
515        }
516
517        public HashMap<String, ArrayList<String>> packagesForUserId(int userId) {
518            return mUidMap.get(userId);
519        }
520
521        public int size() {
522            // total number of pending broadcast entries across all userIds
523            int num = 0;
524            for (int i = 0; i< mUidMap.size(); i++) {
525                num += mUidMap.valueAt(i).size();
526            }
527            return num;
528        }
529
530        public void clear() {
531            mUidMap.clear();
532        }
533
534        private HashMap<String, ArrayList<String>> getOrAllocate(int userId) {
535            HashMap<String, ArrayList<String>> map = mUidMap.get(userId);
536            if (map == null) {
537                map = new HashMap<String, ArrayList<String>>();
538                mUidMap.put(userId, map);
539            }
540            return map;
541        }
542    }
543    final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts();
544
545    // Service Connection to remote media container service to copy
546    // package uri's from external media onto secure containers
547    // or internal storage.
548    private IMediaContainerService mContainerService = null;
549
550    static final int SEND_PENDING_BROADCAST = 1;
551    static final int MCS_BOUND = 3;
552    static final int END_COPY = 4;
553    static final int INIT_COPY = 5;
554    static final int MCS_UNBIND = 6;
555    static final int START_CLEANING_PACKAGE = 7;
556    static final int FIND_INSTALL_LOC = 8;
557    static final int POST_INSTALL = 9;
558    static final int MCS_RECONNECT = 10;
559    static final int MCS_GIVE_UP = 11;
560    static final int UPDATED_MEDIA_STATUS = 12;
561    static final int WRITE_SETTINGS = 13;
562    static final int WRITE_PACKAGE_RESTRICTIONS = 14;
563    static final int PACKAGE_VERIFIED = 15;
564    static final int CHECK_PENDING_VERIFICATION = 16;
565
566    static final int WRITE_SETTINGS_DELAY = 10*1000;  // 10 seconds
567
568    // Delay time in millisecs
569    static final int BROADCAST_DELAY = 10 * 1000;
570
571    static UserManagerService sUserManager;
572
573    // Stores a list of users whose package restrictions file needs to be updated
574    private HashSet<Integer> mDirtyUsers = new HashSet<Integer>();
575
576    final private DefaultContainerConnection mDefContainerConn =
577            new DefaultContainerConnection();
578    class DefaultContainerConnection implements ServiceConnection {
579        public void onServiceConnected(ComponentName name, IBinder service) {
580            if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected");
581            IMediaContainerService imcs =
582                IMediaContainerService.Stub.asInterface(service);
583            mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs));
584        }
585
586        public void onServiceDisconnected(ComponentName name) {
587            if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected");
588        }
589    };
590
591    // Recordkeeping of restore-after-install operations that are currently in flight
592    // between the Package Manager and the Backup Manager
593    class PostInstallData {
594        public InstallArgs args;
595        public PackageInstalledInfo res;
596
597        PostInstallData(InstallArgs _a, PackageInstalledInfo _r) {
598            args = _a;
599            res = _r;
600        }
601    };
602    final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>();
603    int mNextInstallToken = 1;  // nonzero; will be wrapped back to 1 when ++ overflows
604
605    private final String mRequiredVerifierPackage;
606
607    private final PackageUsage mPackageUsage = new PackageUsage();
608
609    private class PackageUsage {
610        private static final int WRITE_INTERVAL
611            = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms
612
613        private final Object mFileLock = new Object();
614        private final AtomicLong mLastWritten = new AtomicLong(0);
615        private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false);
616
617        private boolean mIsHistoricalPackageUsageAvailable = true;
618
619        boolean isHistoricalPackageUsageAvailable() {
620            return mIsHistoricalPackageUsageAvailable;
621        }
622
623        void write(boolean force) {
624            if (force) {
625                writeInternal();
626                return;
627            }
628            if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL
629                && !DEBUG_DEXOPT) {
630                return;
631            }
632            if (mBackgroundWriteRunning.compareAndSet(false, true)) {
633                new Thread("PackageUsage_DiskWriter") {
634                    @Override
635                    public void run() {
636                        try {
637                            writeInternal();
638                        } finally {
639                            mBackgroundWriteRunning.set(false);
640                        }
641                    }
642                }.start();
643            }
644        }
645
646        private void writeInternal() {
647            synchronized (mPackages) {
648                synchronized (mFileLock) {
649                    AtomicFile file = getFile();
650                    FileOutputStream f = null;
651                    try {
652                        f = file.startWrite();
653                        BufferedOutputStream out = new BufferedOutputStream(f);
654                        FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID);
655                        StringBuilder sb = new StringBuilder();
656                        for (PackageParser.Package pkg : mPackages.values()) {
657                            if (pkg.mLastPackageUsageTimeInMills == 0) {
658                                continue;
659                            }
660                            sb.setLength(0);
661                            sb.append(pkg.packageName);
662                            sb.append(' ');
663                            sb.append((long)pkg.mLastPackageUsageTimeInMills);
664                            sb.append('\n');
665                            out.write(sb.toString().getBytes(StandardCharsets.US_ASCII));
666                        }
667                        out.flush();
668                        file.finishWrite(f);
669                    } catch (IOException e) {
670                        if (f != null) {
671                            file.failWrite(f);
672                        }
673                        Log.e(TAG, "Failed to write package usage times", e);
674                    }
675                }
676            }
677            mLastWritten.set(SystemClock.elapsedRealtime());
678        }
679
680        void readLP() {
681            synchronized (mFileLock) {
682                AtomicFile file = getFile();
683                BufferedInputStream in = null;
684                try {
685                    in = new BufferedInputStream(file.openRead());
686                    StringBuffer sb = new StringBuffer();
687                    while (true) {
688                        String packageName = readToken(in, sb, ' ');
689                        if (packageName == null) {
690                            break;
691                        }
692                        String timeInMillisString = readToken(in, sb, '\n');
693                        if (timeInMillisString == null) {
694                            throw new IOException("Failed to find last usage time for package "
695                                                  + packageName);
696                        }
697                        PackageParser.Package pkg = mPackages.get(packageName);
698                        if (pkg == null) {
699                            continue;
700                        }
701                        long timeInMillis;
702                        try {
703                            timeInMillis = Long.parseLong(timeInMillisString.toString());
704                        } catch (NumberFormatException e) {
705                            throw new IOException("Failed to parse " + timeInMillisString
706                                                  + " as a long.", e);
707                        }
708                        pkg.mLastPackageUsageTimeInMills = timeInMillis;
709                    }
710                } catch (FileNotFoundException expected) {
711                    mIsHistoricalPackageUsageAvailable = false;
712                } catch (IOException e) {
713                    Log.w(TAG, "Failed to read package usage times", e);
714                } finally {
715                    IoUtils.closeQuietly(in);
716                }
717            }
718            mLastWritten.set(SystemClock.elapsedRealtime());
719        }
720
721        private String readToken(InputStream in, StringBuffer sb, char endOfToken)
722                throws IOException {
723            sb.setLength(0);
724            while (true) {
725                int ch = in.read();
726                if (ch == -1) {
727                    if (sb.length() == 0) {
728                        return null;
729                    }
730                    throw new IOException("Unexpected EOF");
731                }
732                if (ch == endOfToken) {
733                    return sb.toString();
734                }
735                sb.append((char)ch);
736            }
737        }
738
739        private AtomicFile getFile() {
740            File dataDir = Environment.getDataDirectory();
741            File systemDir = new File(dataDir, "system");
742            File fname = new File(systemDir, "package-usage.list");
743            return new AtomicFile(fname);
744        }
745    }
746
747    class PackageHandler extends Handler {
748        private boolean mBound = false;
749        final ArrayList<HandlerParams> mPendingInstalls =
750            new ArrayList<HandlerParams>();
751
752        private boolean connectToService() {
753            if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" +
754                    " DefaultContainerService");
755            Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
756            Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
757            if (mContext.bindServiceAsUser(service, mDefContainerConn,
758                    Context.BIND_AUTO_CREATE, UserHandle.OWNER)) {
759                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
760                mBound = true;
761                return true;
762            }
763            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
764            return false;
765        }
766
767        private void disconnectService() {
768            mContainerService = null;
769            mBound = false;
770            Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
771            mContext.unbindService(mDefContainerConn);
772            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
773        }
774
775        PackageHandler(Looper looper) {
776            super(looper);
777        }
778
779        public void handleMessage(Message msg) {
780            try {
781                doHandleMessage(msg);
782            } finally {
783                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
784            }
785        }
786
787        void doHandleMessage(Message msg) {
788            switch (msg.what) {
789                case INIT_COPY: {
790                    HandlerParams params = (HandlerParams) msg.obj;
791                    int idx = mPendingInstalls.size();
792                    if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params);
793                    // If a bind was already initiated we dont really
794                    // need to do anything. The pending install
795                    // will be processed later on.
796                    if (!mBound) {
797                        // If this is the only one pending we might
798                        // have to bind to the service again.
799                        if (!connectToService()) {
800                            Slog.e(TAG, "Failed to bind to media container service");
801                            params.serviceError();
802                            return;
803                        } else {
804                            // Once we bind to the service, the first
805                            // pending request will be processed.
806                            mPendingInstalls.add(idx, params);
807                        }
808                    } else {
809                        mPendingInstalls.add(idx, params);
810                        // Already bound to the service. Just make
811                        // sure we trigger off processing the first request.
812                        if (idx == 0) {
813                            mHandler.sendEmptyMessage(MCS_BOUND);
814                        }
815                    }
816                    break;
817                }
818                case MCS_BOUND: {
819                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound");
820                    if (msg.obj != null) {
821                        mContainerService = (IMediaContainerService) msg.obj;
822                    }
823                    if (mContainerService == null) {
824                        // Something seriously wrong. Bail out
825                        Slog.e(TAG, "Cannot bind to media container service");
826                        for (HandlerParams params : mPendingInstalls) {
827                            // Indicate service bind error
828                            params.serviceError();
829                        }
830                        mPendingInstalls.clear();
831                    } else if (mPendingInstalls.size() > 0) {
832                        HandlerParams params = mPendingInstalls.get(0);
833                        if (params != null) {
834                            if (params.startCopy()) {
835                                // We are done...  look for more work or to
836                                // go idle.
837                                if (DEBUG_SD_INSTALL) Log.i(TAG,
838                                        "Checking for more work or unbind...");
839                                // Delete pending install
840                                if (mPendingInstalls.size() > 0) {
841                                    mPendingInstalls.remove(0);
842                                }
843                                if (mPendingInstalls.size() == 0) {
844                                    if (mBound) {
845                                        if (DEBUG_SD_INSTALL) Log.i(TAG,
846                                                "Posting delayed MCS_UNBIND");
847                                        removeMessages(MCS_UNBIND);
848                                        Message ubmsg = obtainMessage(MCS_UNBIND);
849                                        // Unbind after a little delay, to avoid
850                                        // continual thrashing.
851                                        sendMessageDelayed(ubmsg, 10000);
852                                    }
853                                } else {
854                                    // There are more pending requests in queue.
855                                    // Just post MCS_BOUND message to trigger processing
856                                    // of next pending install.
857                                    if (DEBUG_SD_INSTALL) Log.i(TAG,
858                                            "Posting MCS_BOUND for next work");
859                                    mHandler.sendEmptyMessage(MCS_BOUND);
860                                }
861                            }
862                        }
863                    } else {
864                        // Should never happen ideally.
865                        Slog.w(TAG, "Empty queue");
866                    }
867                    break;
868                }
869                case MCS_RECONNECT: {
870                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect");
871                    if (mPendingInstalls.size() > 0) {
872                        if (mBound) {
873                            disconnectService();
874                        }
875                        if (!connectToService()) {
876                            Slog.e(TAG, "Failed to bind to media container service");
877                            for (HandlerParams params : mPendingInstalls) {
878                                // Indicate service bind error
879                                params.serviceError();
880                            }
881                            mPendingInstalls.clear();
882                        }
883                    }
884                    break;
885                }
886                case MCS_UNBIND: {
887                    // If there is no actual work left, then time to unbind.
888                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind");
889
890                    if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) {
891                        if (mBound) {
892                            if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()");
893
894                            disconnectService();
895                        }
896                    } else if (mPendingInstalls.size() > 0) {
897                        // There are more pending requests in queue.
898                        // Just post MCS_BOUND message to trigger processing
899                        // of next pending install.
900                        mHandler.sendEmptyMessage(MCS_BOUND);
901                    }
902
903                    break;
904                }
905                case MCS_GIVE_UP: {
906                    if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries");
907                    mPendingInstalls.remove(0);
908                    break;
909                }
910                case SEND_PENDING_BROADCAST: {
911                    String packages[];
912                    ArrayList<String> components[];
913                    int size = 0;
914                    int uids[];
915                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
916                    synchronized (mPackages) {
917                        if (mPendingBroadcasts == null) {
918                            return;
919                        }
920                        size = mPendingBroadcasts.size();
921                        if (size <= 0) {
922                            // Nothing to be done. Just return
923                            return;
924                        }
925                        packages = new String[size];
926                        components = new ArrayList[size];
927                        uids = new int[size];
928                        int i = 0;  // filling out the above arrays
929
930                        for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) {
931                            int packageUserId = mPendingBroadcasts.userIdAt(n);
932                            Iterator<Map.Entry<String, ArrayList<String>>> it
933                                    = mPendingBroadcasts.packagesForUserId(packageUserId)
934                                            .entrySet().iterator();
935                            while (it.hasNext() && i < size) {
936                                Map.Entry<String, ArrayList<String>> ent = it.next();
937                                packages[i] = ent.getKey();
938                                components[i] = ent.getValue();
939                                PackageSetting ps = mSettings.mPackages.get(ent.getKey());
940                                uids[i] = (ps != null)
941                                        ? UserHandle.getUid(packageUserId, ps.appId)
942                                        : -1;
943                                i++;
944                            }
945                        }
946                        size = i;
947                        mPendingBroadcasts.clear();
948                    }
949                    // Send broadcasts
950                    for (int i = 0; i < size; i++) {
951                        sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]);
952                    }
953                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
954                    break;
955                }
956                case START_CLEANING_PACKAGE: {
957                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
958                    final String packageName = (String)msg.obj;
959                    final int userId = msg.arg1;
960                    final boolean andCode = msg.arg2 != 0;
961                    synchronized (mPackages) {
962                        if (userId == UserHandle.USER_ALL) {
963                            int[] users = sUserManager.getUserIds();
964                            for (int user : users) {
965                                mSettings.addPackageToCleanLPw(
966                                        new PackageCleanItem(user, packageName, andCode));
967                            }
968                        } else {
969                            mSettings.addPackageToCleanLPw(
970                                    new PackageCleanItem(userId, packageName, andCode));
971                        }
972                    }
973                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
974                    startCleaningPackages();
975                } break;
976                case POST_INSTALL: {
977                    if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1);
978                    PostInstallData data = mRunningInstalls.get(msg.arg1);
979                    mRunningInstalls.delete(msg.arg1);
980                    boolean deleteOld = false;
981
982                    if (data != null) {
983                        InstallArgs args = data.args;
984                        PackageInstalledInfo res = data.res;
985
986                        if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
987                            res.removedInfo.sendBroadcast(false, true, false);
988                            Bundle extras = new Bundle(1);
989                            extras.putInt(Intent.EXTRA_UID, res.uid);
990                            // Determine the set of users who are adding this
991                            // package for the first time vs. those who are seeing
992                            // an update.
993                            int[] firstUsers;
994                            int[] updateUsers = new int[0];
995                            if (res.origUsers == null || res.origUsers.length == 0) {
996                                firstUsers = res.newUsers;
997                            } else {
998                                firstUsers = new int[0];
999                                for (int i=0; i<res.newUsers.length; i++) {
1000                                    int user = res.newUsers[i];
1001                                    boolean isNew = true;
1002                                    for (int j=0; j<res.origUsers.length; j++) {
1003                                        if (res.origUsers[j] == user) {
1004                                            isNew = false;
1005                                            break;
1006                                        }
1007                                    }
1008                                    if (isNew) {
1009                                        int[] newFirst = new int[firstUsers.length+1];
1010                                        System.arraycopy(firstUsers, 0, newFirst, 0,
1011                                                firstUsers.length);
1012                                        newFirst[firstUsers.length] = user;
1013                                        firstUsers = newFirst;
1014                                    } else {
1015                                        int[] newUpdate = new int[updateUsers.length+1];
1016                                        System.arraycopy(updateUsers, 0, newUpdate, 0,
1017                                                updateUsers.length);
1018                                        newUpdate[updateUsers.length] = user;
1019                                        updateUsers = newUpdate;
1020                                    }
1021                                }
1022                            }
1023                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
1024                                    res.pkg.applicationInfo.packageName,
1025                                    extras, null, null, firstUsers);
1026                            final boolean update = res.removedInfo.removedPackage != null;
1027                            if (update) {
1028                                extras.putBoolean(Intent.EXTRA_REPLACING, true);
1029                            }
1030                            sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
1031                                    res.pkg.applicationInfo.packageName,
1032                                    extras, null, null, updateUsers);
1033                            if (update) {
1034                                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED,
1035                                        res.pkg.applicationInfo.packageName,
1036                                        extras, null, null, updateUsers);
1037                                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED,
1038                                        null, null,
1039                                        res.pkg.applicationInfo.packageName, null, updateUsers);
1040
1041                                // treat asec-hosted packages like removable media on upgrade
1042                                if (isForwardLocked(res.pkg) || isExternal(res.pkg)) {
1043                                    if (DEBUG_INSTALL) {
1044                                        Slog.i(TAG, "upgrading pkg " + res.pkg
1045                                                + " is ASEC-hosted -> AVAILABLE");
1046                                    }
1047                                    int[] uidArray = new int[] { res.pkg.applicationInfo.uid };
1048                                    ArrayList<String> pkgList = new ArrayList<String>(1);
1049                                    pkgList.add(res.pkg.applicationInfo.packageName);
1050                                    sendResourcesChangedBroadcast(true, true,
1051                                            pkgList,uidArray, null);
1052                                }
1053                            }
1054                            if (res.removedInfo.args != null) {
1055                                // Remove the replaced package's older resources safely now
1056                                deleteOld = true;
1057                            }
1058
1059                            // Log current value of "unknown sources" setting
1060                            EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED,
1061                                getUnknownSourcesSettings());
1062                        }
1063                        // Force a gc to clear up things
1064                        Runtime.getRuntime().gc();
1065                        // We delete after a gc for applications  on sdcard.
1066                        if (deleteOld) {
1067                            synchronized (mInstallLock) {
1068                                res.removedInfo.args.doPostDeleteLI(true);
1069                            }
1070                        }
1071                        if (args.observer != null) {
1072                            try {
1073                                args.observer.packageInstalled(res.name, res.returnCode);
1074                            } catch (RemoteException e) {
1075                                Slog.i(TAG, "Observer no longer exists.");
1076                            }
1077                        }
1078                        if (args.observer2 != null) {
1079                            try {
1080                                Bundle extras = extrasForInstallResult(res);
1081                                args.observer2.packageInstalled(res.name, extras, res.returnCode);
1082                            } catch (RemoteException e) {
1083                                Slog.i(TAG, "Observer no longer exists.");
1084                            }
1085                        }
1086                    } else {
1087                        Slog.e(TAG, "Bogus post-install token " + msg.arg1);
1088                    }
1089                } break;
1090                case UPDATED_MEDIA_STATUS: {
1091                    if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS");
1092                    boolean reportStatus = msg.arg1 == 1;
1093                    boolean doGc = msg.arg2 == 1;
1094                    if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc);
1095                    if (doGc) {
1096                        // Force a gc to clear up stale containers.
1097                        Runtime.getRuntime().gc();
1098                    }
1099                    if (msg.obj != null) {
1100                        @SuppressWarnings("unchecked")
1101                        Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj;
1102                        if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers");
1103                        // Unload containers
1104                        unloadAllContainers(args);
1105                    }
1106                    if (reportStatus) {
1107                        try {
1108                            if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back");
1109                            PackageHelper.getMountService().finishMediaUpdate();
1110                        } catch (RemoteException e) {
1111                            Log.e(TAG, "MountService not running?");
1112                        }
1113                    }
1114                } break;
1115                case WRITE_SETTINGS: {
1116                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1117                    synchronized (mPackages) {
1118                        removeMessages(WRITE_SETTINGS);
1119                        removeMessages(WRITE_PACKAGE_RESTRICTIONS);
1120                        mSettings.writeLPr();
1121                        mDirtyUsers.clear();
1122                    }
1123                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1124                } break;
1125                case WRITE_PACKAGE_RESTRICTIONS: {
1126                    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
1127                    synchronized (mPackages) {
1128                        removeMessages(WRITE_PACKAGE_RESTRICTIONS);
1129                        for (int userId : mDirtyUsers) {
1130                            mSettings.writePackageRestrictionsLPr(userId);
1131                        }
1132                        mDirtyUsers.clear();
1133                    }
1134                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
1135                } break;
1136                case CHECK_PENDING_VERIFICATION: {
1137                    final int verificationId = msg.arg1;
1138                    final PackageVerificationState state = mPendingVerification.get(verificationId);
1139
1140                    if ((state != null) && !state.timeoutExtended()) {
1141                        final InstallArgs args = state.getInstallArgs();
1142                        Slog.i(TAG, "Verification timed out for " + args.packageURI.toString());
1143                        mPendingVerification.remove(verificationId);
1144
1145                        int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
1146
1147                        if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) {
1148                            Slog.i(TAG, "Continuing with installation of "
1149                                    + args.packageURI.toString());
1150                            state.setVerifierResponse(Binder.getCallingUid(),
1151                                    PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT);
1152                            broadcastPackageVerified(verificationId, args.packageURI,
1153                                    PackageManager.VERIFICATION_ALLOW,
1154                                    state.getInstallArgs().getUser());
1155                            try {
1156                                ret = args.copyApk(mContainerService, true);
1157                            } catch (RemoteException e) {
1158                                Slog.e(TAG, "Could not contact the ContainerService");
1159                            }
1160                        } else {
1161                            broadcastPackageVerified(verificationId, args.packageURI,
1162                                    PackageManager.VERIFICATION_REJECT,
1163                                    state.getInstallArgs().getUser());
1164                        }
1165
1166                        processPendingInstall(args, ret);
1167                        mHandler.sendEmptyMessage(MCS_UNBIND);
1168                    }
1169                    break;
1170                }
1171                case PACKAGE_VERIFIED: {
1172                    final int verificationId = msg.arg1;
1173
1174                    final PackageVerificationState state = mPendingVerification.get(verificationId);
1175                    if (state == null) {
1176                        Slog.w(TAG, "Invalid verification token " + verificationId + " received");
1177                        break;
1178                    }
1179
1180                    final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj;
1181
1182                    state.setVerifierResponse(response.callerUid, response.code);
1183
1184                    if (state.isVerificationComplete()) {
1185                        mPendingVerification.remove(verificationId);
1186
1187                        final InstallArgs args = state.getInstallArgs();
1188
1189                        int ret;
1190                        if (state.isInstallAllowed()) {
1191                            ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
1192                            broadcastPackageVerified(verificationId, args.packageURI,
1193                                    response.code, state.getInstallArgs().getUser());
1194                            try {
1195                                ret = args.copyApk(mContainerService, true);
1196                            } catch (RemoteException e) {
1197                                Slog.e(TAG, "Could not contact the ContainerService");
1198                            }
1199                        } else {
1200                            ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
1201                        }
1202
1203                        processPendingInstall(args, ret);
1204
1205                        mHandler.sendEmptyMessage(MCS_UNBIND);
1206                    }
1207
1208                    break;
1209                }
1210            }
1211        }
1212    }
1213
1214    Bundle extrasForInstallResult(PackageInstalledInfo res) {
1215        Bundle extras = null;
1216        switch (res.returnCode) {
1217            case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: {
1218                extras = new Bundle();
1219                extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION,
1220                        res.origPermission);
1221                extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE,
1222                        res.origPackage);
1223                break;
1224            }
1225        }
1226        return extras;
1227    }
1228
1229    void scheduleWriteSettingsLocked() {
1230        if (!mHandler.hasMessages(WRITE_SETTINGS)) {
1231            mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY);
1232        }
1233    }
1234
1235    void scheduleWritePackageRestrictionsLocked(int userId) {
1236        if (!sUserManager.exists(userId)) return;
1237        mDirtyUsers.add(userId);
1238        if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) {
1239            mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY);
1240        }
1241    }
1242
1243    public static final PackageManagerService main(Context context, Installer installer,
1244            boolean factoryTest, boolean onlyCore) {
1245        PackageManagerService m = new PackageManagerService(context, installer,
1246                factoryTest, onlyCore);
1247        ServiceManager.addService("package", m);
1248        return m;
1249    }
1250
1251    static String[] splitString(String str, char sep) {
1252        int count = 1;
1253        int i = 0;
1254        while ((i=str.indexOf(sep, i)) >= 0) {
1255            count++;
1256            i++;
1257        }
1258
1259        String[] res = new String[count];
1260        i=0;
1261        count = 0;
1262        int lastI=0;
1263        while ((i=str.indexOf(sep, i)) >= 0) {
1264            res[count] = str.substring(lastI, i);
1265            count++;
1266            i++;
1267            lastI = i;
1268        }
1269        res[count] = str.substring(lastI, str.length());
1270        return res;
1271    }
1272
1273    private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) {
1274        DisplayManager displayManager = (DisplayManager) context.getSystemService(
1275                Context.DISPLAY_SERVICE);
1276        displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics);
1277    }
1278
1279    public PackageManagerService(Context context, Installer installer,
1280            boolean factoryTest, boolean onlyCore) {
1281        EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START,
1282                SystemClock.uptimeMillis());
1283
1284        if (mSdkVersion <= 0) {
1285            Slog.w(TAG, "**** ro.build.version.sdk not set!");
1286        }
1287
1288        mContext = context;
1289        mFactoryTest = factoryTest;
1290        mOnlyCore = onlyCore;
1291        mMetrics = new DisplayMetrics();
1292        mSettings = new Settings(context);
1293        mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID,
1294                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1295        mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID,
1296                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1297        mSettings.addSharedUserLPw("android.uid.log", LOG_UID,
1298                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1299        mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID,
1300                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1301        mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID,
1302                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1303        mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID,
1304                ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED);
1305
1306        String separateProcesses = SystemProperties.get("debug.separate_processes");
1307        if (separateProcesses != null && separateProcesses.length() > 0) {
1308            if ("*".equals(separateProcesses)) {
1309                mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES;
1310                mSeparateProcesses = null;
1311                Slog.w(TAG, "Running with debug.separate_processes: * (ALL)");
1312            } else {
1313                mDefParseFlags = 0;
1314                mSeparateProcesses = separateProcesses.split(",");
1315                Slog.w(TAG, "Running with debug.separate_processes: "
1316                        + separateProcesses);
1317            }
1318        } else {
1319            mDefParseFlags = 0;
1320            mSeparateProcesses = null;
1321        }
1322
1323        mInstaller = installer;
1324
1325        getDefaultDisplayMetrics(context, mMetrics);
1326
1327        SystemConfig systemConfig = SystemConfig.getInstance();
1328        mGlobalGids = systemConfig.getGlobalGids();
1329        mSystemPermissions = systemConfig.getSystemPermissions();
1330        mAvailableFeatures = systemConfig.getAvailableFeatures();
1331
1332        synchronized (mInstallLock) {
1333        // writer
1334        synchronized (mPackages) {
1335            mHandlerThread = new ServiceThread(TAG,
1336                    Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/);
1337            mHandlerThread.start();
1338            mHandler = new PackageHandler(mHandlerThread.getLooper());
1339            Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT);
1340
1341            File dataDir = Environment.getDataDirectory();
1342            mAppDataDir = new File(dataDir, "data");
1343            mAppInstallDir = new File(dataDir, "app");
1344            mAppLibInstallDir = new File(dataDir, "app-lib");
1345            mAsecInternalPath = new File(dataDir, "app-asec").getPath();
1346            mUserAppDataDir = new File(dataDir, "user");
1347            mDrmAppPrivateInstallDir = new File(dataDir, "app-private");
1348            mAppStagingDir = new File(dataDir, "app-staging");
1349
1350            sUserManager = new UserManagerService(context, this,
1351                    mInstallLock, mPackages);
1352
1353            // Propagate permission configuration in to package manager.
1354            ArrayMap<String, SystemConfig.PermissionEntry> permConfig
1355                    = systemConfig.getPermissions();
1356            for (int i=0; i<permConfig.size(); i++) {
1357                SystemConfig.PermissionEntry perm = permConfig.valueAt(i);
1358                BasePermission bp = mSettings.mPermissions.get(perm.name);
1359                if (bp == null) {
1360                    bp = new BasePermission(perm.name, null, BasePermission.TYPE_BUILTIN);
1361                    mSettings.mPermissions.put(perm.name, bp);
1362                }
1363                if (perm.gids != null) {
1364                    bp.gids = appendInts(bp.gids, perm.gids);
1365                }
1366            }
1367
1368            ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries();
1369            for (int i=0; i<libConfig.size(); i++) {
1370                mSharedLibraries.put(libConfig.keyAt(i),
1371                        new SharedLibraryEntry(libConfig.valueAt(i), null));
1372            }
1373
1374            mFoundPolicyFile = SELinuxMMAC.readInstallPolicy();
1375
1376            mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false),
1377                    mSdkVersion, mOnlyCore);
1378
1379            String customResolverActivity = Resources.getSystem().getString(
1380                    R.string.config_customResolverActivity);
1381            if (TextUtils.isEmpty(customResolverActivity)) {
1382                customResolverActivity = null;
1383            } else {
1384                mCustomResolverComponentName = ComponentName.unflattenFromString(
1385                        customResolverActivity);
1386            }
1387
1388            long startTime = SystemClock.uptimeMillis();
1389
1390            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START,
1391                    startTime);
1392
1393            // Set flag to monitor and not change apk file paths when
1394            // scanning install directories.
1395            int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING;
1396
1397            final HashSet<String> alreadyDexOpted = new HashSet<String>();
1398
1399            /**
1400             * Add everything in the in the boot class path to the
1401             * list of process files because dexopt will have been run
1402             * if necessary during zygote startup.
1403             */
1404            String bootClassPath = System.getProperty("java.boot.class.path");
1405            if (bootClassPath != null) {
1406                String[] paths = splitString(bootClassPath, ':');
1407                for (int i=0; i<paths.length; i++) {
1408                    alreadyDexOpted.add(paths[i]);
1409                }
1410            } else {
1411                Slog.w(TAG, "No BOOTCLASSPATH found!");
1412            }
1413
1414            boolean didDexOptLibraryOrTool = false;
1415
1416            final List<String> instructionSets = getAllInstructionSets();
1417
1418            /**
1419             * Ensure all external libraries have had dexopt run on them.
1420             */
1421            if (mSharedLibraries.size() > 0) {
1422                // NOTE: For now, we're compiling these system "shared libraries"
1423                // (and framework jars) into all available architectures. It's possible
1424                // to compile them only when we come across an app that uses them (there's
1425                // already logic for that in scanPackageLI) but that adds some complexity.
1426                for (String instructionSet : instructionSets) {
1427                    for (SharedLibraryEntry libEntry : mSharedLibraries.values()) {
1428                        final String lib = libEntry.path;
1429                        if (lib == null) {
1430                            continue;
1431                        }
1432
1433                        try {
1434                            if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) {
1435                                alreadyDexOpted.add(lib);
1436
1437                                // The list of "shared libraries" we have at this point is
1438                                mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet);
1439                                didDexOptLibraryOrTool = true;
1440                            }
1441                        } catch (FileNotFoundException e) {
1442                            Slog.w(TAG, "Library not found: " + lib);
1443                        } catch (IOException e) {
1444                            Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? "
1445                                    + e.getMessage());
1446                        }
1447                    }
1448                }
1449            }
1450
1451            File frameworkDir = new File(Environment.getRootDirectory(), "framework");
1452
1453            // Gross hack for now: we know this file doesn't contain any
1454            // code, so don't dexopt it to avoid the resulting log spew.
1455            alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk");
1456
1457            // Gross hack for now: we know this file is only part of
1458            // the boot class path for art, so don't dexopt it to
1459            // avoid the resulting log spew.
1460            alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar");
1461
1462            /**
1463             * And there are a number of commands implemented in Java, which
1464             * we currently need to do the dexopt on so that they can be
1465             * run from a non-root shell.
1466             */
1467            String[] frameworkFiles = frameworkDir.list();
1468            if (frameworkFiles != null) {
1469                // TODO: We could compile these only for the most preferred ABI. We should
1470                // first double check that the dex files for these commands are not referenced
1471                // by other system apps.
1472                for (String instructionSet : instructionSets) {
1473                    for (int i=0; i<frameworkFiles.length; i++) {
1474                        File libPath = new File(frameworkDir, frameworkFiles[i]);
1475                        String path = libPath.getPath();
1476                        // Skip the file if we already did it.
1477                        if (alreadyDexOpted.contains(path)) {
1478                            continue;
1479                        }
1480                        // Skip the file if it is not a type we want to dexopt.
1481                        if (!path.endsWith(".apk") && !path.endsWith(".jar")) {
1482                            continue;
1483                        }
1484                        try {
1485                            if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) {
1486                                mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet);
1487                                didDexOptLibraryOrTool = true;
1488                            }
1489                        } catch (FileNotFoundException e) {
1490                            Slog.w(TAG, "Jar not found: " + path);
1491                        } catch (IOException e) {
1492                            Slog.w(TAG, "Exception reading jar: " + path, e);
1493                        }
1494                    }
1495                }
1496            }
1497
1498            if (didDexOptLibraryOrTool) {
1499                // If we dexopted a library or tool, then something on the system has
1500                // changed. Consider this significant, and wipe away all other
1501                // existing dexopt files to ensure we don't leave any dangling around.
1502                //
1503                // TODO: This should be revisited because it isn't as good an indicator
1504                // as it used to be. It used to include the boot classpath but at some point
1505                // DexFile.isDexOptNeeded started returning false for the boot
1506                // class path files in all cases. It is very possible in a
1507                // small maintenance release update that the library and tool
1508                // jars may be unchanged but APK could be removed resulting in
1509                // unused dalvik-cache files.
1510                for (String instructionSet : instructionSets) {
1511                    mInstaller.pruneDexCache(instructionSet);
1512                }
1513
1514                // Additionally, delete all dex files from the root directory
1515                // since there shouldn't be any there anyway, unless we're upgrading
1516                // from an older OS version or a build that contained the "old" style
1517                // flat scheme.
1518                mInstaller.pruneDexCache(".");
1519            }
1520
1521            // Collect vendor overlay packages.
1522            // (Do this before scanning any apps.)
1523            // For security and version matching reason, only consider
1524            // overlay packages if they reside in VENDOR_OVERLAY_DIR.
1525            File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR);
1526            mVendorOverlayInstallObserver = new AppDirObserver(
1527                vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false);
1528            mVendorOverlayInstallObserver.startWatching();
1529            scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM
1530                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0);
1531
1532            // Find base frameworks (resource packages without code).
1533            mFrameworkInstallObserver = new AppDirObserver(
1534                frameworkDir.getPath(), OBSERVER_EVENTS, true, false);
1535            mFrameworkInstallObserver.startWatching();
1536            scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM
1537                    | PackageParser.PARSE_IS_SYSTEM_DIR
1538                    | PackageParser.PARSE_IS_PRIVILEGED,
1539                    scanMode | SCAN_NO_DEX, 0);
1540
1541            // Collected privileged system packages.
1542            File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app");
1543            mPrivilegedInstallObserver = new AppDirObserver(
1544                    privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true);
1545            mPrivilegedInstallObserver.startWatching();
1546                scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM
1547                        | PackageParser.PARSE_IS_SYSTEM_DIR
1548                        | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0);
1549
1550            // Collect ordinary system packages.
1551            File systemAppDir = new File(Environment.getRootDirectory(), "app");
1552            mSystemInstallObserver = new AppDirObserver(
1553                systemAppDir.getPath(), OBSERVER_EVENTS, true, false);
1554            mSystemInstallObserver.startWatching();
1555            scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM
1556                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0);
1557
1558            // Collect all vendor packages.
1559            File vendorAppDir = new File("/vendor/app");
1560            try {
1561                vendorAppDir = vendorAppDir.getCanonicalFile();
1562            } catch (IOException e) {
1563                // failed to look up canonical path, continue with original one
1564            }
1565            mVendorInstallObserver = new AppDirObserver(
1566                vendorAppDir.getPath(), OBSERVER_EVENTS, true, false);
1567            mVendorInstallObserver.startWatching();
1568            scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM
1569                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0);
1570
1571            // Collect all OEM packages.
1572            File oemAppDir = new File(Environment.getOemDirectory(), "app");
1573            mOemInstallObserver = new AppDirObserver(
1574                    oemAppDir.getPath(), OBSERVER_EVENTS, true, false);
1575            mOemInstallObserver.startWatching();
1576            scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM
1577                    | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0);
1578
1579            if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands");
1580            mInstaller.moveFiles();
1581
1582            // Prune any system packages that no longer exist.
1583            final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>();
1584            if (!mOnlyCore) {
1585                Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
1586                while (psit.hasNext()) {
1587                    PackageSetting ps = psit.next();
1588
1589                    /*
1590                     * If this is not a system app, it can't be a
1591                     * disable system app.
1592                     */
1593                    if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) {
1594                        continue;
1595                    }
1596
1597                    /*
1598                     * If the package is scanned, it's not erased.
1599                     */
1600                    final PackageParser.Package scannedPkg = mPackages.get(ps.name);
1601                    if (scannedPkg != null) {
1602                        /*
1603                         * If the system app is both scanned and in the
1604                         * disabled packages list, then it must have been
1605                         * added via OTA. Remove it from the currently
1606                         * scanned package so the previously user-installed
1607                         * application can be scanned.
1608                         */
1609                        if (mSettings.isDisabledSystemPackageLPr(ps.name)) {
1610                            Slog.i(TAG, "Expecting better updatd system app for " + ps.name
1611                                    + "; removing system app");
1612                            removePackageLI(ps, true);
1613                        }
1614
1615                        continue;
1616                    }
1617
1618                    if (!mSettings.isDisabledSystemPackageLPr(ps.name)) {
1619                        psit.remove();
1620                        String msg = "System package " + ps.name
1621                                + " no longer exists; wiping its data";
1622                        reportSettingsProblem(Log.WARN, msg);
1623                        removeDataDirsLI(ps.name);
1624                    } else {
1625                        final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name);
1626                        if (disabledPs.codePath == null || !disabledPs.codePath.exists()) {
1627                            possiblyDeletedUpdatedSystemApps.add(ps.name);
1628                        }
1629                    }
1630                }
1631            }
1632
1633            //look for any incomplete package installations
1634            ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr();
1635            //clean up list
1636            for(int i = 0; i < deletePkgsList.size(); i++) {
1637                //clean up here
1638                cleanupInstallFailedPackage(deletePkgsList.get(i));
1639            }
1640            //delete tmp files
1641            deleteTempPackageFiles();
1642
1643            // Remove any shared userIDs that have no associated packages
1644            mSettings.pruneSharedUsersLPw();
1645
1646            if (!mOnlyCore) {
1647                EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START,
1648                        SystemClock.uptimeMillis());
1649                mAppInstallObserver = new AppDirObserver(
1650                    mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false);
1651                mAppInstallObserver.startWatching();
1652                scanDirLI(mAppInstallDir, 0, scanMode, 0);
1653
1654                mDrmAppInstallObserver = new AppDirObserver(
1655                    mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false);
1656                mDrmAppInstallObserver.startWatching();
1657                scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK,
1658                        scanMode, 0);
1659
1660                /**
1661                 * Remove disable package settings for any updated system
1662                 * apps that were removed via an OTA. If they're not a
1663                 * previously-updated app, remove them completely.
1664                 * Otherwise, just revoke their system-level permissions.
1665                 */
1666                for (String deletedAppName : possiblyDeletedUpdatedSystemApps) {
1667                    PackageParser.Package deletedPkg = mPackages.get(deletedAppName);
1668                    mSettings.removeDisabledSystemPackageLPw(deletedAppName);
1669
1670                    String msg;
1671                    if (deletedPkg == null) {
1672                        msg = "Updated system package " + deletedAppName
1673                                + " no longer exists; wiping its data";
1674                        removeDataDirsLI(deletedAppName);
1675                    } else {
1676                        msg = "Updated system app + " + deletedAppName
1677                                + " no longer present; removing system privileges for "
1678                                + deletedAppName;
1679
1680                        deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM;
1681
1682                        PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName);
1683                        deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM;
1684                    }
1685                    reportSettingsProblem(Log.WARN, msg);
1686                }
1687            } else {
1688                mAppInstallObserver = null;
1689                mDrmAppInstallObserver = null;
1690            }
1691
1692            // Now that we know all of the shared libraries, update all clients to have
1693            // the correct library paths.
1694            updateAllSharedLibrariesLPw();
1695
1696            for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) {
1697                // NOTE: We ignore potential failures here during a system scan (like
1698                // the rest of the commands above) because there's precious little we
1699                // can do about it. A settings error is reported, though.
1700                adjustCpuAbisForSharedUserLPw(setting.packages, null,
1701                        false /* force dexopt */, false /* defer dexopt */);
1702            }
1703
1704            // Now that we know all the packages we are keeping,
1705            // read and update their last usage times.
1706            mPackageUsage.readLP();
1707
1708            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END,
1709                    SystemClock.uptimeMillis());
1710            Slog.i(TAG, "Time to scan packages: "
1711                    + ((SystemClock.uptimeMillis()-startTime)/1000f)
1712                    + " seconds");
1713
1714            // If the platform SDK has changed since the last time we booted,
1715            // we need to re-grant app permission to catch any new ones that
1716            // appear.  This is really a hack, and means that apps can in some
1717            // cases get permissions that the user didn't initially explicitly
1718            // allow...  it would be nice to have some better way to handle
1719            // this situation.
1720            final boolean regrantPermissions = mSettings.mInternalSdkPlatform
1721                    != mSdkVersion;
1722            if (regrantPermissions) Slog.i(TAG, "Platform changed from "
1723                    + mSettings.mInternalSdkPlatform + " to " + mSdkVersion
1724                    + "; regranting permissions for internal storage");
1725            mSettings.mInternalSdkPlatform = mSdkVersion;
1726
1727            updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
1728                    | (regrantPermissions
1729                            ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
1730                            : 0));
1731
1732            // If this is the first boot, and it is a normal boot, then
1733            // we need to initialize the default preferred apps.
1734            if (!mRestoredSettings && !onlyCore) {
1735                mSettings.readDefaultPreferredAppsLPw(this, 0);
1736            }
1737
1738            // All the changes are done during package scanning.
1739            mSettings.updateInternalDatabaseVersion();
1740
1741            // can downgrade to reader
1742            mSettings.writeLPr();
1743
1744            EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY,
1745                    SystemClock.uptimeMillis());
1746
1747
1748            mRequiredVerifierPackage = getRequiredVerifierLPr();
1749        } // synchronized (mPackages)
1750        } // synchronized (mInstallLock)
1751
1752        mInstallerService = new PackageInstallerService(context, this, mAppStagingDir);
1753
1754        // Now after opening every single application zip, make sure they
1755        // are all flushed.  Not really needed, but keeps things nice and
1756        // tidy.
1757        Runtime.getRuntime().gc();
1758    }
1759
1760    @Override
1761    public boolean isFirstBoot() {
1762        return !mRestoredSettings;
1763    }
1764
1765    @Override
1766    public boolean isOnlyCoreApps() {
1767        return mOnlyCore;
1768    }
1769
1770    private String getRequiredVerifierLPr() {
1771        final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
1772        final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE,
1773                PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */);
1774
1775        String requiredVerifier = null;
1776
1777        final int N = receivers.size();
1778        for (int i = 0; i < N; i++) {
1779            final ResolveInfo info = receivers.get(i);
1780
1781            if (info.activityInfo == null) {
1782                continue;
1783            }
1784
1785            final String packageName = info.activityInfo.packageName;
1786
1787            final PackageSetting ps = mSettings.mPackages.get(packageName);
1788            if (ps == null) {
1789                continue;
1790            }
1791
1792            final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
1793            if (!gp.grantedPermissions
1794                    .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) {
1795                continue;
1796            }
1797
1798            if (requiredVerifier != null) {
1799                throw new RuntimeException("There can be only one required verifier");
1800            }
1801
1802            requiredVerifier = packageName;
1803        }
1804
1805        return requiredVerifier;
1806    }
1807
1808    @Override
1809    public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
1810            throws RemoteException {
1811        try {
1812            return super.onTransact(code, data, reply, flags);
1813        } catch (RuntimeException e) {
1814            if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) {
1815                Slog.wtf(TAG, "Package Manager Crash", e);
1816            }
1817            throw e;
1818        }
1819    }
1820
1821    void cleanupInstallFailedPackage(PackageSetting ps) {
1822        Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name);
1823        removeDataDirsLI(ps.name);
1824        if (ps.codePath != null) {
1825            if (!ps.codePath.delete()) {
1826                Slog.w(TAG, "Unable to remove old code file: " + ps.codePath);
1827            }
1828        }
1829        if (ps.resourcePath != null) {
1830            if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) {
1831                Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath);
1832            }
1833        }
1834        mSettings.removePackageLPw(ps.name);
1835    }
1836
1837    static int[] appendInts(int[] cur, int[] add) {
1838        if (add == null) return cur;
1839        if (cur == null) return add;
1840        final int N = add.length;
1841        for (int i=0; i<N; i++) {
1842            cur = appendInt(cur, add[i]);
1843        }
1844        return cur;
1845    }
1846
1847    static int[] removeInts(int[] cur, int[] rem) {
1848        if (rem == null) return cur;
1849        if (cur == null) return cur;
1850        final int N = rem.length;
1851        for (int i=0; i<N; i++) {
1852            cur = removeInt(cur, rem[i]);
1853        }
1854        return cur;
1855    }
1856
1857    PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) {
1858        if (!sUserManager.exists(userId)) return null;
1859        final PackageSetting ps = (PackageSetting) p.mExtras;
1860        if (ps == null) {
1861            return null;
1862        }
1863        final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
1864        final PackageUserState state = ps.readUserState(userId);
1865        return PackageParser.generatePackageInfo(p, gp.gids, flags,
1866                ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions,
1867                state, userId);
1868    }
1869
1870    @Override
1871    public boolean isPackageAvailable(String packageName, int userId) {
1872        if (!sUserManager.exists(userId)) return false;
1873        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available");
1874        synchronized (mPackages) {
1875            PackageParser.Package p = mPackages.get(packageName);
1876            if (p != null) {
1877                final PackageSetting ps = (PackageSetting) p.mExtras;
1878                if (ps != null) {
1879                    final PackageUserState state = ps.readUserState(userId);
1880                    if (state != null) {
1881                        return PackageParser.isAvailable(state);
1882                    }
1883                }
1884            }
1885        }
1886        return false;
1887    }
1888
1889    @Override
1890    public PackageInfo getPackageInfo(String packageName, int flags, int userId) {
1891        if (!sUserManager.exists(userId)) return null;
1892        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info");
1893        // reader
1894        synchronized (mPackages) {
1895            PackageParser.Package p = mPackages.get(packageName);
1896            if (DEBUG_PACKAGE_INFO)
1897                Log.v(TAG, "getPackageInfo " + packageName + ": " + p);
1898            if (p != null) {
1899                return generatePackageInfo(p, flags, userId);
1900            }
1901            if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
1902                return generatePackageInfoFromSettingsLPw(packageName, flags, userId);
1903            }
1904        }
1905        return null;
1906    }
1907
1908    @Override
1909    public String[] currentToCanonicalPackageNames(String[] names) {
1910        String[] out = new String[names.length];
1911        // reader
1912        synchronized (mPackages) {
1913            for (int i=names.length-1; i>=0; i--) {
1914                PackageSetting ps = mSettings.mPackages.get(names[i]);
1915                out[i] = ps != null && ps.realName != null ? ps.realName : names[i];
1916            }
1917        }
1918        return out;
1919    }
1920
1921    @Override
1922    public String[] canonicalToCurrentPackageNames(String[] names) {
1923        String[] out = new String[names.length];
1924        // reader
1925        synchronized (mPackages) {
1926            for (int i=names.length-1; i>=0; i--) {
1927                String cur = mSettings.mRenamedPackages.get(names[i]);
1928                out[i] = cur != null ? cur : names[i];
1929            }
1930        }
1931        return out;
1932    }
1933
1934    @Override
1935    public int getPackageUid(String packageName, int userId) {
1936        if (!sUserManager.exists(userId)) return -1;
1937        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid");
1938        // reader
1939        synchronized (mPackages) {
1940            PackageParser.Package p = mPackages.get(packageName);
1941            if(p != null) {
1942                return UserHandle.getUid(userId, p.applicationInfo.uid);
1943            }
1944            PackageSetting ps = mSettings.mPackages.get(packageName);
1945            if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) {
1946                return -1;
1947            }
1948            p = ps.pkg;
1949            return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1;
1950        }
1951    }
1952
1953    @Override
1954    public int[] getPackageGids(String packageName) {
1955        // reader
1956        synchronized (mPackages) {
1957            PackageParser.Package p = mPackages.get(packageName);
1958            if (DEBUG_PACKAGE_INFO)
1959                Log.v(TAG, "getPackageGids" + packageName + ": " + p);
1960            if (p != null) {
1961                final PackageSetting ps = (PackageSetting)p.mExtras;
1962                return ps.getGids();
1963            }
1964        }
1965        // stupid thing to indicate an error.
1966        return new int[0];
1967    }
1968
1969    static final PermissionInfo generatePermissionInfo(
1970            BasePermission bp, int flags) {
1971        if (bp.perm != null) {
1972            return PackageParser.generatePermissionInfo(bp.perm, flags);
1973        }
1974        PermissionInfo pi = new PermissionInfo();
1975        pi.name = bp.name;
1976        pi.packageName = bp.sourcePackage;
1977        pi.nonLocalizedLabel = bp.name;
1978        pi.protectionLevel = bp.protectionLevel;
1979        return pi;
1980    }
1981
1982    @Override
1983    public PermissionInfo getPermissionInfo(String name, int flags) {
1984        // reader
1985        synchronized (mPackages) {
1986            final BasePermission p = mSettings.mPermissions.get(name);
1987            if (p != null) {
1988                return generatePermissionInfo(p, flags);
1989            }
1990            return null;
1991        }
1992    }
1993
1994    @Override
1995    public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) {
1996        // reader
1997        synchronized (mPackages) {
1998            ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10);
1999            for (BasePermission p : mSettings.mPermissions.values()) {
2000                if (group == null) {
2001                    if (p.perm == null || p.perm.info.group == null) {
2002                        out.add(generatePermissionInfo(p, flags));
2003                    }
2004                } else {
2005                    if (p.perm != null && group.equals(p.perm.info.group)) {
2006                        out.add(PackageParser.generatePermissionInfo(p.perm, flags));
2007                    }
2008                }
2009            }
2010
2011            if (out.size() > 0) {
2012                return out;
2013            }
2014            return mPermissionGroups.containsKey(group) ? out : null;
2015        }
2016    }
2017
2018    @Override
2019    public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) {
2020        // reader
2021        synchronized (mPackages) {
2022            return PackageParser.generatePermissionGroupInfo(
2023                    mPermissionGroups.get(name), flags);
2024        }
2025    }
2026
2027    @Override
2028    public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
2029        // reader
2030        synchronized (mPackages) {
2031            final int N = mPermissionGroups.size();
2032            ArrayList<PermissionGroupInfo> out
2033                    = new ArrayList<PermissionGroupInfo>(N);
2034            for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) {
2035                out.add(PackageParser.generatePermissionGroupInfo(pg, flags));
2036            }
2037            return out;
2038        }
2039    }
2040
2041    private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags,
2042            int userId) {
2043        if (!sUserManager.exists(userId)) return null;
2044        PackageSetting ps = mSettings.mPackages.get(packageName);
2045        if (ps != null) {
2046            if (ps.pkg == null) {
2047                PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName,
2048                        flags, userId);
2049                if (pInfo != null) {
2050                    return pInfo.applicationInfo;
2051                }
2052                return null;
2053            }
2054            return PackageParser.generateApplicationInfo(ps.pkg, flags,
2055                    ps.readUserState(userId), userId);
2056        }
2057        return null;
2058    }
2059
2060    private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags,
2061            int userId) {
2062        if (!sUserManager.exists(userId)) return null;
2063        PackageSetting ps = mSettings.mPackages.get(packageName);
2064        if (ps != null) {
2065            PackageParser.Package pkg = ps.pkg;
2066            if (pkg == null) {
2067                if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) {
2068                    return null;
2069                }
2070                // App code is gone, so we aren't worried about split paths
2071                pkg = new PackageParser.Package(packageName);
2072                pkg.applicationInfo.packageName = packageName;
2073                pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY;
2074                pkg.applicationInfo.sourceDir = ps.codePathString;
2075                pkg.applicationInfo.publicSourceDir = ps.resourcePathString;
2076                pkg.applicationInfo.dataDir =
2077                        getDataPathForPackage(packageName, 0).getPath();
2078                pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString;
2079                pkg.applicationInfo.cpuAbi = ps.cpuAbiString;
2080            }
2081            return generatePackageInfo(pkg, flags, userId);
2082        }
2083        return null;
2084    }
2085
2086    @Override
2087    public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) {
2088        if (!sUserManager.exists(userId)) return null;
2089        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info");
2090        // writer
2091        synchronized (mPackages) {
2092            PackageParser.Package p = mPackages.get(packageName);
2093            if (DEBUG_PACKAGE_INFO) Log.v(
2094                    TAG, "getApplicationInfo " + packageName
2095                    + ": " + p);
2096            if (p != null) {
2097                PackageSetting ps = mSettings.mPackages.get(packageName);
2098                if (ps == null) return null;
2099                // Note: isEnabledLP() does not apply here - always return info
2100                return PackageParser.generateApplicationInfo(
2101                        p, flags, ps.readUserState(userId), userId);
2102            }
2103            if ("android".equals(packageName)||"system".equals(packageName)) {
2104                return mAndroidApplication;
2105            }
2106            if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
2107                return generateApplicationInfoFromSettingsLPw(packageName, flags, userId);
2108            }
2109        }
2110        return null;
2111    }
2112
2113
2114    @Override
2115    public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) {
2116        mContext.enforceCallingOrSelfPermission(
2117                android.Manifest.permission.CLEAR_APP_CACHE, null);
2118        // Queue up an async operation since clearing cache may take a little while.
2119        mHandler.post(new Runnable() {
2120            public void run() {
2121                mHandler.removeCallbacks(this);
2122                int retCode = -1;
2123                synchronized (mInstallLock) {
2124                    retCode = mInstaller.freeCache(freeStorageSize);
2125                    if (retCode < 0) {
2126                        Slog.w(TAG, "Couldn't clear application caches");
2127                    }
2128                }
2129                if (observer != null) {
2130                    try {
2131                        observer.onRemoveCompleted(null, (retCode >= 0));
2132                    } catch (RemoteException e) {
2133                        Slog.w(TAG, "RemoveException when invoking call back");
2134                    }
2135                }
2136            }
2137        });
2138    }
2139
2140    @Override
2141    public void freeStorage(final long freeStorageSize, final IntentSender pi) {
2142        mContext.enforceCallingOrSelfPermission(
2143                android.Manifest.permission.CLEAR_APP_CACHE, null);
2144        // Queue up an async operation since clearing cache may take a little while.
2145        mHandler.post(new Runnable() {
2146            public void run() {
2147                mHandler.removeCallbacks(this);
2148                int retCode = -1;
2149                synchronized (mInstallLock) {
2150                    retCode = mInstaller.freeCache(freeStorageSize);
2151                    if (retCode < 0) {
2152                        Slog.w(TAG, "Couldn't clear application caches");
2153                    }
2154                }
2155                if(pi != null) {
2156                    try {
2157                        // Callback via pending intent
2158                        int code = (retCode >= 0) ? 1 : 0;
2159                        pi.sendIntent(null, code, null,
2160                                null, null);
2161                    } catch (SendIntentException e1) {
2162                        Slog.i(TAG, "Failed to send pending intent");
2163                    }
2164                }
2165            }
2166        });
2167    }
2168
2169    void freeStorage(long freeStorageSize) throws IOException {
2170        synchronized (mInstallLock) {
2171            if (mInstaller.freeCache(freeStorageSize) < 0) {
2172                throw new IOException("Failed to free enough space");
2173            }
2174        }
2175    }
2176
2177    @Override
2178    public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) {
2179        if (!sUserManager.exists(userId)) return null;
2180        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info");
2181        synchronized (mPackages) {
2182            PackageParser.Activity a = mActivities.mActivities.get(component);
2183
2184            if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a);
2185            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
2186                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2187                if (ps == null) return null;
2188                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
2189                        userId);
2190            }
2191            if (mResolveComponentName.equals(component)) {
2192                return mResolveActivity;
2193            }
2194        }
2195        return null;
2196    }
2197
2198    @Override
2199    public boolean activitySupportsIntent(ComponentName component, Intent intent,
2200            String resolvedType) {
2201        synchronized (mPackages) {
2202            PackageParser.Activity a = mActivities.mActivities.get(component);
2203            if (a == null) {
2204                return false;
2205            }
2206            for (int i=0; i<a.intents.size(); i++) {
2207                if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(),
2208                        intent.getData(), intent.getCategories(), TAG) >= 0) {
2209                    return true;
2210                }
2211            }
2212            return false;
2213        }
2214    }
2215
2216    @Override
2217    public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) {
2218        if (!sUserManager.exists(userId)) return null;
2219        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info");
2220        synchronized (mPackages) {
2221            PackageParser.Activity a = mReceivers.mActivities.get(component);
2222            if (DEBUG_PACKAGE_INFO) Log.v(
2223                TAG, "getReceiverInfo " + component + ": " + a);
2224            if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
2225                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2226                if (ps == null) return null;
2227                return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
2228                        userId);
2229            }
2230        }
2231        return null;
2232    }
2233
2234    @Override
2235    public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) {
2236        if (!sUserManager.exists(userId)) return null;
2237        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info");
2238        synchronized (mPackages) {
2239            PackageParser.Service s = mServices.mServices.get(component);
2240            if (DEBUG_PACKAGE_INFO) Log.v(
2241                TAG, "getServiceInfo " + component + ": " + s);
2242            if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) {
2243                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2244                if (ps == null) return null;
2245                return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId),
2246                        userId);
2247            }
2248        }
2249        return null;
2250    }
2251
2252    @Override
2253    public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) {
2254        if (!sUserManager.exists(userId)) return null;
2255        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info");
2256        synchronized (mPackages) {
2257            PackageParser.Provider p = mProviders.mProviders.get(component);
2258            if (DEBUG_PACKAGE_INFO) Log.v(
2259                TAG, "getProviderInfo " + component + ": " + p);
2260            if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) {
2261                PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
2262                if (ps == null) return null;
2263                return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId),
2264                        userId);
2265            }
2266        }
2267        return null;
2268    }
2269
2270    @Override
2271    public String[] getSystemSharedLibraryNames() {
2272        Set<String> libSet;
2273        synchronized (mPackages) {
2274            libSet = mSharedLibraries.keySet();
2275            int size = libSet.size();
2276            if (size > 0) {
2277                String[] libs = new String[size];
2278                libSet.toArray(libs);
2279                return libs;
2280            }
2281        }
2282        return null;
2283    }
2284
2285    @Override
2286    public FeatureInfo[] getSystemAvailableFeatures() {
2287        Collection<FeatureInfo> featSet;
2288        synchronized (mPackages) {
2289            featSet = mAvailableFeatures.values();
2290            int size = featSet.size();
2291            if (size > 0) {
2292                FeatureInfo[] features = new FeatureInfo[size+1];
2293                featSet.toArray(features);
2294                FeatureInfo fi = new FeatureInfo();
2295                fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version",
2296                        FeatureInfo.GL_ES_VERSION_UNDEFINED);
2297                features[size] = fi;
2298                return features;
2299            }
2300        }
2301        return null;
2302    }
2303
2304    @Override
2305    public boolean hasSystemFeature(String name) {
2306        synchronized (mPackages) {
2307            return mAvailableFeatures.containsKey(name);
2308        }
2309    }
2310
2311    private void checkValidCaller(int uid, int userId) {
2312        if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0)
2313            return;
2314
2315        throw new SecurityException("Caller uid=" + uid
2316                + " is not privileged to communicate with user=" + userId);
2317    }
2318
2319    @Override
2320    public int checkPermission(String permName, String pkgName) {
2321        synchronized (mPackages) {
2322            PackageParser.Package p = mPackages.get(pkgName);
2323            if (p != null && p.mExtras != null) {
2324                PackageSetting ps = (PackageSetting)p.mExtras;
2325                if (ps.sharedUser != null) {
2326                    if (ps.sharedUser.grantedPermissions.contains(permName)) {
2327                        return PackageManager.PERMISSION_GRANTED;
2328                    }
2329                } else if (ps.grantedPermissions.contains(permName)) {
2330                    return PackageManager.PERMISSION_GRANTED;
2331                }
2332            }
2333        }
2334        return PackageManager.PERMISSION_DENIED;
2335    }
2336
2337    @Override
2338    public int checkUidPermission(String permName, int uid) {
2339        synchronized (mPackages) {
2340            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
2341            if (obj != null) {
2342                GrantedPermissions gp = (GrantedPermissions)obj;
2343                if (gp.grantedPermissions.contains(permName)) {
2344                    return PackageManager.PERMISSION_GRANTED;
2345                }
2346            } else {
2347                HashSet<String> perms = mSystemPermissions.get(uid);
2348                if (perms != null && perms.contains(permName)) {
2349                    return PackageManager.PERMISSION_GRANTED;
2350                }
2351            }
2352        }
2353        return PackageManager.PERMISSION_DENIED;
2354    }
2355
2356    /**
2357     * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS
2358     * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller.
2359     * @param message the message to log on security exception
2360     */
2361    void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission,
2362            String message) {
2363        if (userId < 0) {
2364            throw new IllegalArgumentException("Invalid userId " + userId);
2365        }
2366        if (userId == UserHandle.getUserId(callingUid)) return;
2367        if (callingUid != Process.SYSTEM_UID && callingUid != 0) {
2368            if (requireFullPermission) {
2369                mContext.enforceCallingOrSelfPermission(
2370                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
2371            } else {
2372                try {
2373                    mContext.enforceCallingOrSelfPermission(
2374                            android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
2375                } catch (SecurityException se) {
2376                    mContext.enforceCallingOrSelfPermission(
2377                            android.Manifest.permission.INTERACT_ACROSS_USERS, message);
2378                }
2379            }
2380        }
2381    }
2382
2383    private BasePermission findPermissionTreeLP(String permName) {
2384        for(BasePermission bp : mSettings.mPermissionTrees.values()) {
2385            if (permName.startsWith(bp.name) &&
2386                    permName.length() > bp.name.length() &&
2387                    permName.charAt(bp.name.length()) == '.') {
2388                return bp;
2389            }
2390        }
2391        return null;
2392    }
2393
2394    private BasePermission checkPermissionTreeLP(String permName) {
2395        if (permName != null) {
2396            BasePermission bp = findPermissionTreeLP(permName);
2397            if (bp != null) {
2398                if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) {
2399                    return bp;
2400                }
2401                throw new SecurityException("Calling uid "
2402                        + Binder.getCallingUid()
2403                        + " is not allowed to add to permission tree "
2404                        + bp.name + " owned by uid " + bp.uid);
2405            }
2406        }
2407        throw new SecurityException("No permission tree found for " + permName);
2408    }
2409
2410    static boolean compareStrings(CharSequence s1, CharSequence s2) {
2411        if (s1 == null) {
2412            return s2 == null;
2413        }
2414        if (s2 == null) {
2415            return false;
2416        }
2417        if (s1.getClass() != s2.getClass()) {
2418            return false;
2419        }
2420        return s1.equals(s2);
2421    }
2422
2423    static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) {
2424        if (pi1.icon != pi2.icon) return false;
2425        if (pi1.logo != pi2.logo) return false;
2426        if (pi1.protectionLevel != pi2.protectionLevel) return false;
2427        if (!compareStrings(pi1.name, pi2.name)) return false;
2428        if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false;
2429        // We'll take care of setting this one.
2430        if (!compareStrings(pi1.packageName, pi2.packageName)) return false;
2431        // These are not currently stored in settings.
2432        //if (!compareStrings(pi1.group, pi2.group)) return false;
2433        //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false;
2434        //if (pi1.labelRes != pi2.labelRes) return false;
2435        //if (pi1.descriptionRes != pi2.descriptionRes) return false;
2436        return true;
2437    }
2438
2439    int permissionInfoFootprint(PermissionInfo info) {
2440        int size = info.name.length();
2441        if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length();
2442        if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length();
2443        return size;
2444    }
2445
2446    int calculateCurrentPermissionFootprintLocked(BasePermission tree) {
2447        int size = 0;
2448        for (BasePermission perm : mSettings.mPermissions.values()) {
2449            if (perm.uid == tree.uid) {
2450                size += perm.name.length() + permissionInfoFootprint(perm.perm.info);
2451            }
2452        }
2453        return size;
2454    }
2455
2456    void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) {
2457        // We calculate the max size of permissions defined by this uid and throw
2458        // if that plus the size of 'info' would exceed our stated maximum.
2459        if (tree.uid != Process.SYSTEM_UID) {
2460            final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree);
2461            if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) {
2462                throw new SecurityException("Permission tree size cap exceeded");
2463            }
2464        }
2465    }
2466
2467    boolean addPermissionLocked(PermissionInfo info, boolean async) {
2468        if (info.labelRes == 0 && info.nonLocalizedLabel == null) {
2469            throw new SecurityException("Label must be specified in permission");
2470        }
2471        BasePermission tree = checkPermissionTreeLP(info.name);
2472        BasePermission bp = mSettings.mPermissions.get(info.name);
2473        boolean added = bp == null;
2474        boolean changed = true;
2475        int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel);
2476        if (added) {
2477            enforcePermissionCapLocked(info, tree);
2478            bp = new BasePermission(info.name, tree.sourcePackage,
2479                    BasePermission.TYPE_DYNAMIC);
2480        } else if (bp.type != BasePermission.TYPE_DYNAMIC) {
2481            throw new SecurityException(
2482                    "Not allowed to modify non-dynamic permission "
2483                    + info.name);
2484        } else {
2485            if (bp.protectionLevel == fixedLevel
2486                    && bp.perm.owner.equals(tree.perm.owner)
2487                    && bp.uid == tree.uid
2488                    && comparePermissionInfos(bp.perm.info, info)) {
2489                changed = false;
2490            }
2491        }
2492        bp.protectionLevel = fixedLevel;
2493        info = new PermissionInfo(info);
2494        info.protectionLevel = fixedLevel;
2495        bp.perm = new PackageParser.Permission(tree.perm.owner, info);
2496        bp.perm.info.packageName = tree.perm.info.packageName;
2497        bp.uid = tree.uid;
2498        if (added) {
2499            mSettings.mPermissions.put(info.name, bp);
2500        }
2501        if (changed) {
2502            if (!async) {
2503                mSettings.writeLPr();
2504            } else {
2505                scheduleWriteSettingsLocked();
2506            }
2507        }
2508        return added;
2509    }
2510
2511    @Override
2512    public boolean addPermission(PermissionInfo info) {
2513        synchronized (mPackages) {
2514            return addPermissionLocked(info, false);
2515        }
2516    }
2517
2518    @Override
2519    public boolean addPermissionAsync(PermissionInfo info) {
2520        synchronized (mPackages) {
2521            return addPermissionLocked(info, true);
2522        }
2523    }
2524
2525    @Override
2526    public void removePermission(String name) {
2527        synchronized (mPackages) {
2528            checkPermissionTreeLP(name);
2529            BasePermission bp = mSettings.mPermissions.get(name);
2530            if (bp != null) {
2531                if (bp.type != BasePermission.TYPE_DYNAMIC) {
2532                    throw new SecurityException(
2533                            "Not allowed to modify non-dynamic permission "
2534                            + name);
2535                }
2536                mSettings.mPermissions.remove(name);
2537                mSettings.writeLPr();
2538            }
2539        }
2540    }
2541
2542    private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) {
2543        int index = pkg.requestedPermissions.indexOf(bp.name);
2544        if (index == -1) {
2545            throw new SecurityException("Package " + pkg.packageName
2546                    + " has not requested permission " + bp.name);
2547        }
2548        boolean isNormal =
2549                ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE)
2550                        == PermissionInfo.PROTECTION_NORMAL);
2551        boolean isDangerous =
2552                ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE)
2553                        == PermissionInfo.PROTECTION_DANGEROUS);
2554        boolean isDevelopment =
2555                ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0);
2556
2557        if (!isNormal && !isDangerous && !isDevelopment) {
2558            throw new SecurityException("Permission " + bp.name
2559                    + " is not a changeable permission type");
2560        }
2561
2562        if (isNormal || isDangerous) {
2563            if (pkg.requestedPermissionsRequired.get(index)) {
2564                throw new SecurityException("Can't change " + bp.name
2565                        + ". It is required by the application");
2566            }
2567        }
2568    }
2569
2570    @Override
2571    public void grantPermission(String packageName, String permissionName) {
2572        mContext.enforceCallingOrSelfPermission(
2573                android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null);
2574        synchronized (mPackages) {
2575            final PackageParser.Package pkg = mPackages.get(packageName);
2576            if (pkg == null) {
2577                throw new IllegalArgumentException("Unknown package: " + packageName);
2578            }
2579            final BasePermission bp = mSettings.mPermissions.get(permissionName);
2580            if (bp == null) {
2581                throw new IllegalArgumentException("Unknown permission: " + permissionName);
2582            }
2583
2584            checkGrantRevokePermissions(pkg, bp);
2585
2586            final PackageSetting ps = (PackageSetting) pkg.mExtras;
2587            if (ps == null) {
2588                return;
2589            }
2590            final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps;
2591            if (gp.grantedPermissions.add(permissionName)) {
2592                if (ps.haveGids) {
2593                    gp.gids = appendInts(gp.gids, bp.gids);
2594                }
2595                mSettings.writeLPr();
2596            }
2597        }
2598    }
2599
2600    @Override
2601    public void revokePermission(String packageName, String permissionName) {
2602        int changedAppId = -1;
2603
2604        synchronized (mPackages) {
2605            final PackageParser.Package pkg = mPackages.get(packageName);
2606            if (pkg == null) {
2607                throw new IllegalArgumentException("Unknown package: " + packageName);
2608            }
2609            if (pkg.applicationInfo.uid != Binder.getCallingUid()) {
2610                mContext.enforceCallingOrSelfPermission(
2611                        android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null);
2612            }
2613            final BasePermission bp = mSettings.mPermissions.get(permissionName);
2614            if (bp == null) {
2615                throw new IllegalArgumentException("Unknown permission: " + permissionName);
2616            }
2617
2618            checkGrantRevokePermissions(pkg, bp);
2619
2620            final PackageSetting ps = (PackageSetting) pkg.mExtras;
2621            if (ps == null) {
2622                return;
2623            }
2624            final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps;
2625            if (gp.grantedPermissions.remove(permissionName)) {
2626                gp.grantedPermissions.remove(permissionName);
2627                if (ps.haveGids) {
2628                    gp.gids = removeInts(gp.gids, bp.gids);
2629                }
2630                mSettings.writeLPr();
2631                changedAppId = ps.appId;
2632            }
2633        }
2634
2635        if (changedAppId >= 0) {
2636            // We changed the perm on someone, kill its processes.
2637            IActivityManager am = ActivityManagerNative.getDefault();
2638            if (am != null) {
2639                final int callingUserId = UserHandle.getCallingUserId();
2640                final long ident = Binder.clearCallingIdentity();
2641                try {
2642                    //XXX we should only revoke for the calling user's app permissions,
2643                    // but for now we impact all users.
2644                    //am.killUid(UserHandle.getUid(callingUserId, changedAppId),
2645                    //        "revoke " + permissionName);
2646                    int[] users = sUserManager.getUserIds();
2647                    for (int user : users) {
2648                        am.killUid(UserHandle.getUid(user, changedAppId),
2649                                "revoke " + permissionName);
2650                    }
2651                } catch (RemoteException e) {
2652                } finally {
2653                    Binder.restoreCallingIdentity(ident);
2654                }
2655            }
2656        }
2657    }
2658
2659    @Override
2660    public boolean isProtectedBroadcast(String actionName) {
2661        synchronized (mPackages) {
2662            return mProtectedBroadcasts.contains(actionName);
2663        }
2664    }
2665
2666    @Override
2667    public int checkSignatures(String pkg1, String pkg2) {
2668        synchronized (mPackages) {
2669            final PackageParser.Package p1 = mPackages.get(pkg1);
2670            final PackageParser.Package p2 = mPackages.get(pkg2);
2671            if (p1 == null || p1.mExtras == null
2672                    || p2 == null || p2.mExtras == null) {
2673                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2674            }
2675            return compareSignatures(p1.mSignatures, p2.mSignatures);
2676        }
2677    }
2678
2679    @Override
2680    public int checkUidSignatures(int uid1, int uid2) {
2681        // Map to base uids.
2682        uid1 = UserHandle.getAppId(uid1);
2683        uid2 = UserHandle.getAppId(uid2);
2684        // reader
2685        synchronized (mPackages) {
2686            Signature[] s1;
2687            Signature[] s2;
2688            Object obj = mSettings.getUserIdLPr(uid1);
2689            if (obj != null) {
2690                if (obj instanceof SharedUserSetting) {
2691                    s1 = ((SharedUserSetting)obj).signatures.mSignatures;
2692                } else if (obj instanceof PackageSetting) {
2693                    s1 = ((PackageSetting)obj).signatures.mSignatures;
2694                } else {
2695                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2696                }
2697            } else {
2698                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2699            }
2700            obj = mSettings.getUserIdLPr(uid2);
2701            if (obj != null) {
2702                if (obj instanceof SharedUserSetting) {
2703                    s2 = ((SharedUserSetting)obj).signatures.mSignatures;
2704                } else if (obj instanceof PackageSetting) {
2705                    s2 = ((PackageSetting)obj).signatures.mSignatures;
2706                } else {
2707                    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2708                }
2709            } else {
2710                return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
2711            }
2712            return compareSignatures(s1, s2);
2713        }
2714    }
2715
2716    /**
2717     * Compares two sets of signatures. Returns:
2718     * <br />
2719     * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null,
2720     * <br />
2721     * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null,
2722     * <br />
2723     * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null,
2724     * <br />
2725     * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical,
2726     * <br />
2727     * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ.
2728     */
2729    static int compareSignatures(Signature[] s1, Signature[] s2) {
2730        if (s1 == null) {
2731            return s2 == null
2732                    ? PackageManager.SIGNATURE_NEITHER_SIGNED
2733                    : PackageManager.SIGNATURE_FIRST_NOT_SIGNED;
2734        }
2735
2736        if (s2 == null) {
2737            return PackageManager.SIGNATURE_SECOND_NOT_SIGNED;
2738        }
2739
2740        if (s1.length != s2.length) {
2741            return PackageManager.SIGNATURE_NO_MATCH;
2742        }
2743
2744        // Since both signature sets are of size 1, we can compare without HashSets.
2745        if (s1.length == 1) {
2746            return s1[0].equals(s2[0]) ?
2747                    PackageManager.SIGNATURE_MATCH :
2748                    PackageManager.SIGNATURE_NO_MATCH;
2749        }
2750
2751        HashSet<Signature> set1 = new HashSet<Signature>();
2752        for (Signature sig : s1) {
2753            set1.add(sig);
2754        }
2755        HashSet<Signature> set2 = new HashSet<Signature>();
2756        for (Signature sig : s2) {
2757            set2.add(sig);
2758        }
2759        // Make sure s2 contains all signatures in s1.
2760        if (set1.equals(set2)) {
2761            return PackageManager.SIGNATURE_MATCH;
2762        }
2763        return PackageManager.SIGNATURE_NO_MATCH;
2764    }
2765
2766    /**
2767     * If the database version for this type of package (internal storage or
2768     * external storage) is less than the version where package signatures
2769     * were updated, return true.
2770     */
2771    private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) {
2772        return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan(
2773                DatabaseVersion.SIGNATURE_END_ENTITY))
2774                || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan(
2775                        DatabaseVersion.SIGNATURE_END_ENTITY));
2776    }
2777
2778    /**
2779     * Used for backward compatibility to make sure any packages with
2780     * certificate chains get upgraded to the new style. {@code existingSigs}
2781     * will be in the old format (since they were stored on disk from before the
2782     * system upgrade) and {@code scannedSigs} will be in the newer format.
2783     */
2784    private int compareSignaturesCompat(PackageSignatures existingSigs,
2785            PackageParser.Package scannedPkg) {
2786        if (!isCompatSignatureUpdateNeeded(scannedPkg)) {
2787            return PackageManager.SIGNATURE_NO_MATCH;
2788        }
2789
2790        HashSet<Signature> existingSet = new HashSet<Signature>();
2791        for (Signature sig : existingSigs.mSignatures) {
2792            existingSet.add(sig);
2793        }
2794        HashSet<Signature> scannedCompatSet = new HashSet<Signature>();
2795        for (Signature sig : scannedPkg.mSignatures) {
2796            try {
2797                Signature[] chainSignatures = sig.getChainSignatures();
2798                for (Signature chainSig : chainSignatures) {
2799                    scannedCompatSet.add(chainSig);
2800                }
2801            } catch (CertificateEncodingException e) {
2802                scannedCompatSet.add(sig);
2803            }
2804        }
2805        /*
2806         * Make sure the expanded scanned set contains all signatures in the
2807         * existing one.
2808         */
2809        if (scannedCompatSet.equals(existingSet)) {
2810            // Migrate the old signatures to the new scheme.
2811            existingSigs.assignSignatures(scannedPkg.mSignatures);
2812            // The new KeySets will be re-added later in the scanning process.
2813            mSettings.mKeySetManager.removeAppKeySetData(scannedPkg.packageName);
2814            return PackageManager.SIGNATURE_MATCH;
2815        }
2816        return PackageManager.SIGNATURE_NO_MATCH;
2817    }
2818
2819    @Override
2820    public String[] getPackagesForUid(int uid) {
2821        uid = UserHandle.getAppId(uid);
2822        // reader
2823        synchronized (mPackages) {
2824            Object obj = mSettings.getUserIdLPr(uid);
2825            if (obj instanceof SharedUserSetting) {
2826                final SharedUserSetting sus = (SharedUserSetting) obj;
2827                final int N = sus.packages.size();
2828                final String[] res = new String[N];
2829                final Iterator<PackageSetting> it = sus.packages.iterator();
2830                int i = 0;
2831                while (it.hasNext()) {
2832                    res[i++] = it.next().name;
2833                }
2834                return res;
2835            } else if (obj instanceof PackageSetting) {
2836                final PackageSetting ps = (PackageSetting) obj;
2837                return new String[] { ps.name };
2838            }
2839        }
2840        return null;
2841    }
2842
2843    @Override
2844    public String getNameForUid(int uid) {
2845        // reader
2846        synchronized (mPackages) {
2847            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
2848            if (obj instanceof SharedUserSetting) {
2849                final SharedUserSetting sus = (SharedUserSetting) obj;
2850                return sus.name + ":" + sus.userId;
2851            } else if (obj instanceof PackageSetting) {
2852                final PackageSetting ps = (PackageSetting) obj;
2853                return ps.name;
2854            }
2855        }
2856        return null;
2857    }
2858
2859    @Override
2860    public int getUidForSharedUser(String sharedUserName) {
2861        if(sharedUserName == null) {
2862            return -1;
2863        }
2864        // reader
2865        synchronized (mPackages) {
2866            final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false);
2867            if (suid == null) {
2868                return -1;
2869            }
2870            return suid.userId;
2871        }
2872    }
2873
2874    @Override
2875    public int getFlagsForUid(int uid) {
2876        synchronized (mPackages) {
2877            Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
2878            if (obj instanceof SharedUserSetting) {
2879                final SharedUserSetting sus = (SharedUserSetting) obj;
2880                return sus.pkgFlags;
2881            } else if (obj instanceof PackageSetting) {
2882                final PackageSetting ps = (PackageSetting) obj;
2883                return ps.pkgFlags;
2884            }
2885        }
2886        return 0;
2887    }
2888
2889    @Override
2890    public ResolveInfo resolveIntent(Intent intent, String resolvedType,
2891            int flags, int userId) {
2892        if (!sUserManager.exists(userId)) return null;
2893        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent");
2894        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
2895        return chooseBestActivity(intent, resolvedType, flags, query, userId);
2896    }
2897
2898    @Override
2899    public void setLastChosenActivity(Intent intent, String resolvedType, int flags,
2900            IntentFilter filter, int match, ComponentName activity) {
2901        final int userId = UserHandle.getCallingUserId();
2902        if (DEBUG_PREFERRED) {
2903            Log.v(TAG, "setLastChosenActivity intent=" + intent
2904                + " resolvedType=" + resolvedType
2905                + " flags=" + flags
2906                + " filter=" + filter
2907                + " match=" + match
2908                + " activity=" + activity);
2909            filter.dump(new PrintStreamPrinter(System.out), "    ");
2910        }
2911        intent.setComponent(null);
2912        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
2913        // Find any earlier preferred or last chosen entries and nuke them
2914        findPreferredActivity(intent, resolvedType,
2915                flags, query, 0, false, true, false, userId);
2916        // Add the new activity as the last chosen for this filter
2917        addPreferredActivityInternal(filter, match, null, activity, false, userId);
2918    }
2919
2920    @Override
2921    public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) {
2922        final int userId = UserHandle.getCallingUserId();
2923        if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent);
2924        List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
2925        return findPreferredActivity(intent, resolvedType, flags, query, 0,
2926                false, false, false, userId);
2927    }
2928
2929    private ResolveInfo chooseBestActivity(Intent intent, String resolvedType,
2930            int flags, List<ResolveInfo> query, int userId) {
2931        if (query != null) {
2932            final int N = query.size();
2933            if (N == 1) {
2934                return query.get(0);
2935            } else if (N > 1) {
2936                final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0);
2937                // If there is more than one activity with the same priority,
2938                // then let the user decide between them.
2939                ResolveInfo r0 = query.get(0);
2940                ResolveInfo r1 = query.get(1);
2941                if (DEBUG_INTENT_MATCHING || debug) {
2942                    Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs "
2943                            + r1.activityInfo.name + "=" + r1.priority);
2944                }
2945                // If the first activity has a higher priority, or a different
2946                // default, then it is always desireable to pick it.
2947                if (r0.priority != r1.priority
2948                        || r0.preferredOrder != r1.preferredOrder
2949                        || r0.isDefault != r1.isDefault) {
2950                    return query.get(0);
2951                }
2952                // If we have saved a preference for a preferred activity for
2953                // this Intent, use that.
2954                ResolveInfo ri = findPreferredActivity(intent, resolvedType,
2955                        flags, query, r0.priority, true, false, debug, userId);
2956                if (ri != null) {
2957                    return ri;
2958                }
2959                if (userId != 0) {
2960                    ri = new ResolveInfo(mResolveInfo);
2961                    ri.activityInfo = new ActivityInfo(ri.activityInfo);
2962                    ri.activityInfo.applicationInfo = new ApplicationInfo(
2963                            ri.activityInfo.applicationInfo);
2964                    ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId,
2965                            UserHandle.getAppId(ri.activityInfo.applicationInfo.uid));
2966                    return ri;
2967                }
2968                return mResolveInfo;
2969            }
2970        }
2971        return null;
2972    }
2973
2974    private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType,
2975            int flags, List<ResolveInfo> query, boolean debug, int userId) {
2976        final int N = query.size();
2977        PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
2978                .get(userId);
2979        // Get the list of persistent preferred activities that handle the intent
2980        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities...");
2981        List<PersistentPreferredActivity> pprefs = ppir != null
2982                ? ppir.queryIntent(intent, resolvedType,
2983                        (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
2984                : null;
2985        if (pprefs != null && pprefs.size() > 0) {
2986            final int M = pprefs.size();
2987            for (int i=0; i<M; i++) {
2988                final PersistentPreferredActivity ppa = pprefs.get(i);
2989                if (DEBUG_PREFERRED || debug) {
2990                    Slog.v(TAG, "Checking PersistentPreferredActivity ds="
2991                            + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>")
2992                            + "\n  component=" + ppa.mComponent);
2993                    ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
2994                }
2995                final ActivityInfo ai = getActivityInfo(ppa.mComponent,
2996                        flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
2997                if (DEBUG_PREFERRED || debug) {
2998                    Slog.v(TAG, "Found persistent preferred activity:");
2999                    if (ai != null) {
3000                        ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3001                    } else {
3002                        Slog.v(TAG, "  null");
3003                    }
3004                }
3005                if (ai == null) {
3006                    // This previously registered persistent preferred activity
3007                    // component is no longer known. Ignore it and do NOT remove it.
3008                    continue;
3009                }
3010                for (int j=0; j<N; j++) {
3011                    final ResolveInfo ri = query.get(j);
3012                    if (!ri.activityInfo.applicationInfo.packageName
3013                            .equals(ai.applicationInfo.packageName)) {
3014                        continue;
3015                    }
3016                    if (!ri.activityInfo.name.equals(ai.name)) {
3017                        continue;
3018                    }
3019                    //  Found a persistent preference that can handle the intent.
3020                    if (DEBUG_PREFERRED || debug) {
3021                        Slog.v(TAG, "Returning persistent preferred activity: " +
3022                                ri.activityInfo.packageName + "/" + ri.activityInfo.name);
3023                    }
3024                    return ri;
3025                }
3026            }
3027        }
3028        return null;
3029    }
3030
3031    ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags,
3032            List<ResolveInfo> query, int priority, boolean always,
3033            boolean removeMatches, boolean debug, int userId) {
3034        if (!sUserManager.exists(userId)) return null;
3035        // writer
3036        synchronized (mPackages) {
3037            if (intent.getSelector() != null) {
3038                intent = intent.getSelector();
3039            }
3040            if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION);
3041
3042            // Try to find a matching persistent preferred activity.
3043            ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query,
3044                    debug, userId);
3045
3046            // If a persistent preferred activity matched, use it.
3047            if (pri != null) {
3048                return pri;
3049            }
3050
3051            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
3052            // Get the list of preferred activities that handle the intent
3053            if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities...");
3054            List<PreferredActivity> prefs = pir != null
3055                    ? pir.queryIntent(intent, resolvedType,
3056                            (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
3057                    : null;
3058            if (prefs != null && prefs.size() > 0) {
3059                // First figure out how good the original match set is.
3060                // We will only allow preferred activities that came
3061                // from the same match quality.
3062                int match = 0;
3063
3064                if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match...");
3065
3066                final int N = query.size();
3067                for (int j=0; j<N; j++) {
3068                    final ResolveInfo ri = query.get(j);
3069                    if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo
3070                            + ": 0x" + Integer.toHexString(match));
3071                    if (ri.match > match) {
3072                        match = ri.match;
3073                    }
3074                }
3075
3076                if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x"
3077                        + Integer.toHexString(match));
3078
3079                match &= IntentFilter.MATCH_CATEGORY_MASK;
3080                final int M = prefs.size();
3081                for (int i=0; i<M; i++) {
3082                    final PreferredActivity pa = prefs.get(i);
3083                    if (DEBUG_PREFERRED || debug) {
3084                        Slog.v(TAG, "Checking PreferredActivity ds="
3085                                + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>")
3086                                + "\n  component=" + pa.mPref.mComponent);
3087                        pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3088                    }
3089                    if (pa.mPref.mMatch != match) {
3090                        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match "
3091                                + Integer.toHexString(pa.mPref.mMatch));
3092                        continue;
3093                    }
3094                    // If it's not an "always" type preferred activity and that's what we're
3095                    // looking for, skip it.
3096                    if (always && !pa.mPref.mAlways) {
3097                        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry");
3098                        continue;
3099                    }
3100                    final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent,
3101                            flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
3102                    if (DEBUG_PREFERRED || debug) {
3103                        Slog.v(TAG, "Found preferred activity:");
3104                        if (ai != null) {
3105                            ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), "  ");
3106                        } else {
3107                            Slog.v(TAG, "  null");
3108                        }
3109                    }
3110                    if (ai == null) {
3111                        // This previously registered preferred activity
3112                        // component is no longer known.  Most likely an update
3113                        // to the app was installed and in the new version this
3114                        // component no longer exists.  Clean it up by removing
3115                        // it from the preferred activities list, and skip it.
3116                        Slog.w(TAG, "Removing dangling preferred activity: "
3117                                + pa.mPref.mComponent);
3118                        pir.removeFilter(pa);
3119                        continue;
3120                    }
3121                    for (int j=0; j<N; j++) {
3122                        final ResolveInfo ri = query.get(j);
3123                        if (!ri.activityInfo.applicationInfo.packageName
3124                                .equals(ai.applicationInfo.packageName)) {
3125                            continue;
3126                        }
3127                        if (!ri.activityInfo.name.equals(ai.name)) {
3128                            continue;
3129                        }
3130
3131                        if (removeMatches) {
3132                            pir.removeFilter(pa);
3133                            if (DEBUG_PREFERRED) {
3134                                Slog.v(TAG, "Removing match " + pa.mPref.mComponent);
3135                            }
3136                            break;
3137                        }
3138
3139                        // Okay we found a previously set preferred or last chosen app.
3140                        // If the result set is different from when this
3141                        // was created, we need to clear it and re-ask the
3142                        // user their preference, if we're looking for an "always" type entry.
3143                        if (always && !pa.mPref.sameSet(query, priority)) {
3144                            Slog.i(TAG, "Result set changed, dropping preferred activity for "
3145                                    + intent + " type " + resolvedType);
3146                            if (DEBUG_PREFERRED) {
3147                                Slog.v(TAG, "Removing preferred activity since set changed "
3148                                        + pa.mPref.mComponent);
3149                            }
3150                            pir.removeFilter(pa);
3151                            // Re-add the filter as a "last chosen" entry (!always)
3152                            PreferredActivity lastChosen = new PreferredActivity(
3153                                    pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false);
3154                            pir.addFilter(lastChosen);
3155                            mSettings.writePackageRestrictionsLPr(userId);
3156                            return null;
3157                        }
3158
3159                        // Yay! Either the set matched or we're looking for the last chosen
3160                        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: "
3161                                + ri.activityInfo.packageName + "/" + ri.activityInfo.name);
3162                        mSettings.writePackageRestrictionsLPr(userId);
3163                        return ri;
3164                    }
3165                }
3166            }
3167            mSettings.writePackageRestrictionsLPr(userId);
3168        }
3169        if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return");
3170        return null;
3171    }
3172
3173    /*
3174     * Returns if intent can be forwarded from the sourceUserId to the targetUserId
3175     */
3176    @Override
3177    public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId,
3178            int targetUserId) {
3179        mContext.enforceCallingOrSelfPermission(
3180                android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
3181        List<CrossProfileIntentFilter> matches =
3182                getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId);
3183        if (matches != null) {
3184            int size = matches.size();
3185            for (int i = 0; i < size; i++) {
3186                if (matches.get(i).getTargetUserId() == targetUserId) return true;
3187            }
3188        }
3189
3190        ArrayList<String> packageNames = null;
3191        SparseArray<ArrayList<String>> fromSource =
3192                mSettings.mCrossProfilePackageInfo.get(sourceUserId);
3193        if (fromSource != null) {
3194            packageNames = fromSource.get(targetUserId);
3195        }
3196        if (packageNames.contains(intent.getPackage())) {
3197            return true;
3198        }
3199        // We need the package name, so we try to resolve with the loosest flags possible
3200        List<ResolveInfo> resolveInfos = mActivities.queryIntent(
3201                intent, resolvedType, PackageManager.GET_UNINSTALLED_PACKAGES, targetUserId);
3202        int count = resolveInfos.size();
3203        for (int i = 0; i < count; i++) {
3204            ResolveInfo resolveInfo = resolveInfos.get(i);
3205            if (packageNames.contains(resolveInfo.activityInfo.packageName)) {
3206                return true;
3207            }
3208        }
3209        return false;
3210    }
3211
3212    private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent,
3213            String resolvedType, int userId) {
3214        CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId);
3215        if (resolver != null) {
3216            return resolver.queryIntent(intent, resolvedType, false, userId);
3217        }
3218        return null;
3219    }
3220
3221    @Override
3222    public List<ResolveInfo> queryIntentActivities(Intent intent,
3223            String resolvedType, int flags, int userId) {
3224        if (!sUserManager.exists(userId)) return Collections.emptyList();
3225        enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities");
3226        ComponentName comp = intent.getComponent();
3227        if (comp == null) {
3228            if (intent.getSelector() != null) {
3229                intent = intent.getSelector();
3230                comp = intent.getComponent();
3231            }
3232        }
3233
3234        if (comp != null) {
3235            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3236            final ActivityInfo ai = getActivityInfo(comp, flags, userId);
3237            if (ai != null) {
3238                final ResolveInfo ri = new ResolveInfo();
3239                ri.activityInfo = ai;
3240                list.add(ri);
3241            }
3242            return list;
3243        }
3244
3245        // reader
3246        synchronized (mPackages) {
3247            final String pkgName = intent.getPackage();
3248            boolean queryCrossProfile = (flags & PackageManager.NO_CROSS_PROFILE) == 0;
3249            if (pkgName == null) {
3250                ResolveInfo resolveInfo = null;
3251                if (queryCrossProfile) {
3252                    // Check if the intent needs to be forwarded to another user for this package
3253                    ArrayList<ResolveInfo> crossProfileResult =
3254                            queryIntentActivitiesCrossProfilePackage(
3255                                    intent, resolvedType, flags, userId);
3256                    if (!crossProfileResult.isEmpty()) {
3257                        // Skip the current profile
3258                        return crossProfileResult;
3259                    }
3260                    List<CrossProfileIntentFilter> matchingFilters =
3261                            getMatchingCrossProfileIntentFilters(intent, resolvedType, userId);
3262                    // Check for results that need to skip the current profile.
3263                    resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent,
3264                            resolvedType, flags, userId);
3265                    if (resolveInfo != null) {
3266                        List<ResolveInfo> result = new ArrayList<ResolveInfo>(1);
3267                        result.add(resolveInfo);
3268                        return result;
3269                    }
3270                    // Check for cross profile results.
3271                    resolveInfo = queryCrossProfileIntents(
3272                            matchingFilters, intent, resolvedType, flags, userId);
3273                }
3274                // Check for results in the current profile.
3275                List<ResolveInfo> result = mActivities.queryIntent(
3276                        intent, resolvedType, flags, userId);
3277                if (resolveInfo != null) {
3278                    result.add(resolveInfo);
3279                }
3280                return result;
3281            }
3282            final PackageParser.Package pkg = mPackages.get(pkgName);
3283            if (pkg != null) {
3284                if (queryCrossProfile) {
3285                    ArrayList<ResolveInfo> crossProfileResult =
3286                            queryIntentActivitiesCrossProfilePackage(
3287                                    intent, resolvedType, flags, userId, pkg, pkgName);
3288                    if (!crossProfileResult.isEmpty()) {
3289                        // Skip the current profile
3290                        return crossProfileResult;
3291                    }
3292                }
3293                return mActivities.queryIntentForPackage(intent, resolvedType, flags,
3294                        pkg.activities, userId);
3295            }
3296            return new ArrayList<ResolveInfo>();
3297        }
3298    }
3299
3300    private ResolveInfo querySkipCurrentProfileIntents(
3301            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
3302            int flags, int sourceUserId) {
3303        if (matchingFilters != null) {
3304            int size = matchingFilters.size();
3305            for (int i = 0; i < size; i ++) {
3306                CrossProfileIntentFilter filter = matchingFilters.get(i);
3307                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) {
3308                    // Checking if there are activities in the target user that can handle the
3309                    // intent.
3310                    ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
3311                            flags, sourceUserId);
3312                    if (resolveInfo != null) {
3313                        return resolveInfo;
3314                    }
3315                }
3316            }
3317        }
3318        return null;
3319    }
3320
3321    private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage(
3322            Intent intent, String resolvedType, int flags, int userId) {
3323        ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>();
3324        SparseArray<ArrayList<String>> sourceForwardingInfo =
3325                mSettings.mCrossProfilePackageInfo.get(userId);
3326        if (sourceForwardingInfo != null) {
3327            int NI = sourceForwardingInfo.size();
3328            for (int i = 0; i < NI; i++) {
3329                int targetUserId = sourceForwardingInfo.keyAt(i);
3330                ArrayList<String> packageNames = sourceForwardingInfo.valueAt(i);
3331                List<ResolveInfo> resolveInfos = mActivities.queryIntent(
3332                        intent, resolvedType, flags, targetUserId);
3333                int NJ = resolveInfos.size();
3334                for (int j = 0; j < NJ; j++) {
3335                    ResolveInfo resolveInfo = resolveInfos.get(j);
3336                    if (packageNames.contains(resolveInfo.activityInfo.packageName)) {
3337                        matchingResolveInfos.add(createForwardingResolveInfo(
3338                                resolveInfo.filter, userId, targetUserId));
3339                    }
3340                }
3341            }
3342        }
3343        return matchingResolveInfos;
3344    }
3345
3346    private ArrayList<ResolveInfo> queryIntentActivitiesCrossProfilePackage(
3347            Intent intent, String resolvedType, int flags, int userId, PackageParser.Package pkg,
3348            String packageName) {
3349        ArrayList<ResolveInfo> matchingResolveInfos = new ArrayList<ResolveInfo>();
3350        SparseArray<ArrayList<String>> sourceForwardingInfo =
3351                mSettings.mCrossProfilePackageInfo.get(userId);
3352        if (sourceForwardingInfo != null) {
3353            int NI = sourceForwardingInfo.size();
3354            for (int i = 0; i < NI; i++) {
3355                int targetUserId = sourceForwardingInfo.keyAt(i);
3356                if (sourceForwardingInfo.valueAt(i).contains(packageName)) {
3357                    List<ResolveInfo> resolveInfos = mActivities.queryIntentForPackage(
3358                            intent, resolvedType, flags, pkg.activities, targetUserId);
3359                    int NJ = resolveInfos.size();
3360                    for (int j = 0; j < NJ; j++) {
3361                        ResolveInfo resolveInfo = resolveInfos.get(j);
3362                        matchingResolveInfos.add(createForwardingResolveInfo(
3363                                resolveInfo.filter, userId, targetUserId));
3364                    }
3365                }
3366            }
3367        }
3368        return matchingResolveInfos;
3369    }
3370
3371    // Return matching ResolveInfo if any for skip current profile intent filters.
3372    private ResolveInfo queryCrossProfileIntents(
3373            List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType,
3374            int flags, int sourceUserId) {
3375        if (matchingFilters != null) {
3376            // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and
3377            // match the same intent. For performance reasons, it is better not to
3378            // run queryIntent twice for the same userId
3379            SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray();
3380            int size = matchingFilters.size();
3381            for (int i = 0; i < size; i++) {
3382                CrossProfileIntentFilter filter = matchingFilters.get(i);
3383                int targetUserId = filter.getTargetUserId();
3384                if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0
3385                        && !alreadyTriedUserIds.get(targetUserId)) {
3386                    // Checking if there are activities in the target user that can handle the
3387                    // intent.
3388                    ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType,
3389                            flags, sourceUserId);
3390                    if (resolveInfo != null) return resolveInfo;
3391                    alreadyTriedUserIds.put(targetUserId, true);
3392                }
3393            }
3394        }
3395        return null;
3396    }
3397
3398    private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent,
3399            String resolvedType, int flags, int sourceUserId) {
3400        List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent,
3401                resolvedType, flags, filter.getTargetUserId());
3402        if (resultTargetUser != null) {
3403            return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId());
3404        }
3405        return null;
3406    }
3407
3408    private ResolveInfo createForwardingResolveInfo(IntentFilter filter,
3409            int sourceUserId, int targetUserId) {
3410        ResolveInfo forwardingResolveInfo = new ResolveInfo();
3411        String className;
3412        if (targetUserId == UserHandle.USER_OWNER) {
3413            className = FORWARD_INTENT_TO_USER_OWNER;
3414            forwardingResolveInfo.showTargetUserIcon = true;
3415        } else {
3416            className = FORWARD_INTENT_TO_MANAGED_PROFILE;
3417        }
3418        ComponentName forwardingActivityComponentName = new ComponentName(
3419                mAndroidApplication.packageName, className);
3420        ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0,
3421                sourceUserId);
3422        forwardingResolveInfo.activityInfo = forwardingActivityInfo;
3423        forwardingResolveInfo.priority = 0;
3424        forwardingResolveInfo.preferredOrder = 0;
3425        forwardingResolveInfo.match = 0;
3426        forwardingResolveInfo.isDefault = true;
3427        forwardingResolveInfo.filter = filter;
3428        forwardingResolveInfo.targetUserId = targetUserId;
3429        return forwardingResolveInfo;
3430    }
3431
3432    @Override
3433    public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller,
3434            Intent[] specifics, String[] specificTypes, Intent intent,
3435            String resolvedType, int flags, int userId) {
3436        if (!sUserManager.exists(userId)) return Collections.emptyList();
3437        enforceCrossUserPermission(Binder.getCallingUid(), userId, false,
3438                "query intent activity options");
3439        final String resultsAction = intent.getAction();
3440
3441        List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags
3442                | PackageManager.GET_RESOLVED_FILTER, userId);
3443
3444        if (DEBUG_INTENT_MATCHING) {
3445            Log.v(TAG, "Query " + intent + ": " + results);
3446        }
3447
3448        int specificsPos = 0;
3449        int N;
3450
3451        // todo: note that the algorithm used here is O(N^2).  This
3452        // isn't a problem in our current environment, but if we start running
3453        // into situations where we have more than 5 or 10 matches then this
3454        // should probably be changed to something smarter...
3455
3456        // First we go through and resolve each of the specific items
3457        // that were supplied, taking care of removing any corresponding
3458        // duplicate items in the generic resolve list.
3459        if (specifics != null) {
3460            for (int i=0; i<specifics.length; i++) {
3461                final Intent sintent = specifics[i];
3462                if (sintent == null) {
3463                    continue;
3464                }
3465
3466                if (DEBUG_INTENT_MATCHING) {
3467                    Log.v(TAG, "Specific #" + i + ": " + sintent);
3468                }
3469
3470                String action = sintent.getAction();
3471                if (resultsAction != null && resultsAction.equals(action)) {
3472                    // If this action was explicitly requested, then don't
3473                    // remove things that have it.
3474                    action = null;
3475                }
3476
3477                ResolveInfo ri = null;
3478                ActivityInfo ai = null;
3479
3480                ComponentName comp = sintent.getComponent();
3481                if (comp == null) {
3482                    ri = resolveIntent(
3483                        sintent,
3484                        specificTypes != null ? specificTypes[i] : null,
3485                            flags, userId);
3486                    if (ri == null) {
3487                        continue;
3488                    }
3489                    if (ri == mResolveInfo) {
3490                        // ACK!  Must do something better with this.
3491                    }
3492                    ai = ri.activityInfo;
3493                    comp = new ComponentName(ai.applicationInfo.packageName,
3494                            ai.name);
3495                } else {
3496                    ai = getActivityInfo(comp, flags, userId);
3497                    if (ai == null) {
3498                        continue;
3499                    }
3500                }
3501
3502                // Look for any generic query activities that are duplicates
3503                // of this specific one, and remove them from the results.
3504                if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai);
3505                N = results.size();
3506                int j;
3507                for (j=specificsPos; j<N; j++) {
3508                    ResolveInfo sri = results.get(j);
3509                    if ((sri.activityInfo.name.equals(comp.getClassName())
3510                            && sri.activityInfo.applicationInfo.packageName.equals(
3511                                    comp.getPackageName()))
3512                        || (action != null && sri.filter.matchAction(action))) {
3513                        results.remove(j);
3514                        if (DEBUG_INTENT_MATCHING) Log.v(
3515                            TAG, "Removing duplicate item from " + j
3516                            + " due to specific " + specificsPos);
3517                        if (ri == null) {
3518                            ri = sri;
3519                        }
3520                        j--;
3521                        N--;
3522                    }
3523                }
3524
3525                // Add this specific item to its proper place.
3526                if (ri == null) {
3527                    ri = new ResolveInfo();
3528                    ri.activityInfo = ai;
3529                }
3530                results.add(specificsPos, ri);
3531                ri.specificIndex = i;
3532                specificsPos++;
3533            }
3534        }
3535
3536        // Now we go through the remaining generic results and remove any
3537        // duplicate actions that are found here.
3538        N = results.size();
3539        for (int i=specificsPos; i<N-1; i++) {
3540            final ResolveInfo rii = results.get(i);
3541            if (rii.filter == null) {
3542                continue;
3543            }
3544
3545            // Iterate over all of the actions of this result's intent
3546            // filter...  typically this should be just one.
3547            final Iterator<String> it = rii.filter.actionsIterator();
3548            if (it == null) {
3549                continue;
3550            }
3551            while (it.hasNext()) {
3552                final String action = it.next();
3553                if (resultsAction != null && resultsAction.equals(action)) {
3554                    // If this action was explicitly requested, then don't
3555                    // remove things that have it.
3556                    continue;
3557                }
3558                for (int j=i+1; j<N; j++) {
3559                    final ResolveInfo rij = results.get(j);
3560                    if (rij.filter != null && rij.filter.hasAction(action)) {
3561                        results.remove(j);
3562                        if (DEBUG_INTENT_MATCHING) Log.v(
3563                            TAG, "Removing duplicate item from " + j
3564                            + " due to action " + action + " at " + i);
3565                        j--;
3566                        N--;
3567                    }
3568                }
3569            }
3570
3571            // If the caller didn't request filter information, drop it now
3572            // so we don't have to marshall/unmarshall it.
3573            if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
3574                rii.filter = null;
3575            }
3576        }
3577
3578        // Filter out the caller activity if so requested.
3579        if (caller != null) {
3580            N = results.size();
3581            for (int i=0; i<N; i++) {
3582                ActivityInfo ainfo = results.get(i).activityInfo;
3583                if (caller.getPackageName().equals(ainfo.applicationInfo.packageName)
3584                        && caller.getClassName().equals(ainfo.name)) {
3585                    results.remove(i);
3586                    break;
3587                }
3588            }
3589        }
3590
3591        // If the caller didn't request filter information,
3592        // drop them now so we don't have to
3593        // marshall/unmarshall it.
3594        if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
3595            N = results.size();
3596            for (int i=0; i<N; i++) {
3597                results.get(i).filter = null;
3598            }
3599        }
3600
3601        if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results);
3602        return results;
3603    }
3604
3605    @Override
3606    public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags,
3607            int userId) {
3608        if (!sUserManager.exists(userId)) return Collections.emptyList();
3609        ComponentName comp = intent.getComponent();
3610        if (comp == null) {
3611            if (intent.getSelector() != null) {
3612                intent = intent.getSelector();
3613                comp = intent.getComponent();
3614            }
3615        }
3616        if (comp != null) {
3617            List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3618            ActivityInfo ai = getReceiverInfo(comp, flags, userId);
3619            if (ai != null) {
3620                ResolveInfo ri = new ResolveInfo();
3621                ri.activityInfo = ai;
3622                list.add(ri);
3623            }
3624            return list;
3625        }
3626
3627        // reader
3628        synchronized (mPackages) {
3629            String pkgName = intent.getPackage();
3630            if (pkgName == null) {
3631                return mReceivers.queryIntent(intent, resolvedType, flags, userId);
3632            }
3633            final PackageParser.Package pkg = mPackages.get(pkgName);
3634            if (pkg != null) {
3635                return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers,
3636                        userId);
3637            }
3638            return null;
3639        }
3640    }
3641
3642    @Override
3643    public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) {
3644        List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId);
3645        if (!sUserManager.exists(userId)) return null;
3646        if (query != null) {
3647            if (query.size() >= 1) {
3648                // If there is more than one service with the same priority,
3649                // just arbitrarily pick the first one.
3650                return query.get(0);
3651            }
3652        }
3653        return null;
3654    }
3655
3656    @Override
3657    public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags,
3658            int userId) {
3659        if (!sUserManager.exists(userId)) return Collections.emptyList();
3660        ComponentName comp = intent.getComponent();
3661        if (comp == null) {
3662            if (intent.getSelector() != null) {
3663                intent = intent.getSelector();
3664                comp = intent.getComponent();
3665            }
3666        }
3667        if (comp != null) {
3668            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3669            final ServiceInfo si = getServiceInfo(comp, flags, userId);
3670            if (si != null) {
3671                final ResolveInfo ri = new ResolveInfo();
3672                ri.serviceInfo = si;
3673                list.add(ri);
3674            }
3675            return list;
3676        }
3677
3678        // reader
3679        synchronized (mPackages) {
3680            String pkgName = intent.getPackage();
3681            if (pkgName == null) {
3682                return mServices.queryIntent(intent, resolvedType, flags, userId);
3683            }
3684            final PackageParser.Package pkg = mPackages.get(pkgName);
3685            if (pkg != null) {
3686                return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services,
3687                        userId);
3688            }
3689            return null;
3690        }
3691    }
3692
3693    @Override
3694    public List<ResolveInfo> queryIntentContentProviders(
3695            Intent intent, String resolvedType, int flags, int userId) {
3696        if (!sUserManager.exists(userId)) return Collections.emptyList();
3697        ComponentName comp = intent.getComponent();
3698        if (comp == null) {
3699            if (intent.getSelector() != null) {
3700                intent = intent.getSelector();
3701                comp = intent.getComponent();
3702            }
3703        }
3704        if (comp != null) {
3705            final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
3706            final ProviderInfo pi = getProviderInfo(comp, flags, userId);
3707            if (pi != null) {
3708                final ResolveInfo ri = new ResolveInfo();
3709                ri.providerInfo = pi;
3710                list.add(ri);
3711            }
3712            return list;
3713        }
3714
3715        // reader
3716        synchronized (mPackages) {
3717            String pkgName = intent.getPackage();
3718            if (pkgName == null) {
3719                return mProviders.queryIntent(intent, resolvedType, flags, userId);
3720            }
3721            final PackageParser.Package pkg = mPackages.get(pkgName);
3722            if (pkg != null) {
3723                return mProviders.queryIntentForPackage(
3724                        intent, resolvedType, flags, pkg.providers, userId);
3725            }
3726            return null;
3727        }
3728    }
3729
3730    @Override
3731    public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) {
3732        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
3733
3734        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages");
3735
3736        // writer
3737        synchronized (mPackages) {
3738            ArrayList<PackageInfo> list;
3739            if (listUninstalled) {
3740                list = new ArrayList<PackageInfo>(mSettings.mPackages.size());
3741                for (PackageSetting ps : mSettings.mPackages.values()) {
3742                    PackageInfo pi;
3743                    if (ps.pkg != null) {
3744                        pi = generatePackageInfo(ps.pkg, flags, userId);
3745                    } else {
3746                        pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
3747                    }
3748                    if (pi != null) {
3749                        list.add(pi);
3750                    }
3751                }
3752            } else {
3753                list = new ArrayList<PackageInfo>(mPackages.size());
3754                for (PackageParser.Package p : mPackages.values()) {
3755                    PackageInfo pi = generatePackageInfo(p, flags, userId);
3756                    if (pi != null) {
3757                        list.add(pi);
3758                    }
3759                }
3760            }
3761
3762            return new ParceledListSlice<PackageInfo>(list);
3763        }
3764    }
3765
3766    private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps,
3767            String[] permissions, boolean[] tmp, int flags, int userId) {
3768        int numMatch = 0;
3769        final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
3770        for (int i=0; i<permissions.length; i++) {
3771            if (gp.grantedPermissions.contains(permissions[i])) {
3772                tmp[i] = true;
3773                numMatch++;
3774            } else {
3775                tmp[i] = false;
3776            }
3777        }
3778        if (numMatch == 0) {
3779            return;
3780        }
3781        PackageInfo pi;
3782        if (ps.pkg != null) {
3783            pi = generatePackageInfo(ps.pkg, flags, userId);
3784        } else {
3785            pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
3786        }
3787        if ((flags&PackageManager.GET_PERMISSIONS) == 0) {
3788            if (numMatch == permissions.length) {
3789                pi.requestedPermissions = permissions;
3790            } else {
3791                pi.requestedPermissions = new String[numMatch];
3792                numMatch = 0;
3793                for (int i=0; i<permissions.length; i++) {
3794                    if (tmp[i]) {
3795                        pi.requestedPermissions[numMatch] = permissions[i];
3796                        numMatch++;
3797                    }
3798                }
3799            }
3800        }
3801        list.add(pi);
3802    }
3803
3804    @Override
3805    public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions(
3806            String[] permissions, int flags, int userId) {
3807        if (!sUserManager.exists(userId)) return null;
3808        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
3809
3810        // writer
3811        synchronized (mPackages) {
3812            ArrayList<PackageInfo> list = new ArrayList<PackageInfo>();
3813            boolean[] tmpBools = new boolean[permissions.length];
3814            if (listUninstalled) {
3815                for (PackageSetting ps : mSettings.mPackages.values()) {
3816                    addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId);
3817                }
3818            } else {
3819                for (PackageParser.Package pkg : mPackages.values()) {
3820                    PackageSetting ps = (PackageSetting)pkg.mExtras;
3821                    if (ps != null) {
3822                        addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags,
3823                                userId);
3824                    }
3825                }
3826            }
3827
3828            return new ParceledListSlice<PackageInfo>(list);
3829        }
3830    }
3831
3832    @Override
3833    public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) {
3834        if (!sUserManager.exists(userId)) return null;
3835        final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
3836
3837        // writer
3838        synchronized (mPackages) {
3839            ArrayList<ApplicationInfo> list;
3840            if (listUninstalled) {
3841                list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size());
3842                for (PackageSetting ps : mSettings.mPackages.values()) {
3843                    ApplicationInfo ai;
3844                    if (ps.pkg != null) {
3845                        ai = PackageParser.generateApplicationInfo(ps.pkg, flags,
3846                                ps.readUserState(userId), userId);
3847                    } else {
3848                        ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId);
3849                    }
3850                    if (ai != null) {
3851                        list.add(ai);
3852                    }
3853                }
3854            } else {
3855                list = new ArrayList<ApplicationInfo>(mPackages.size());
3856                for (PackageParser.Package p : mPackages.values()) {
3857                    if (p.mExtras != null) {
3858                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
3859                                ((PackageSetting)p.mExtras).readUserState(userId), userId);
3860                        if (ai != null) {
3861                            list.add(ai);
3862                        }
3863                    }
3864                }
3865            }
3866
3867            return new ParceledListSlice<ApplicationInfo>(list);
3868        }
3869    }
3870
3871    public List<ApplicationInfo> getPersistentApplications(int flags) {
3872        final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>();
3873
3874        // reader
3875        synchronized (mPackages) {
3876            final Iterator<PackageParser.Package> i = mPackages.values().iterator();
3877            final int userId = UserHandle.getCallingUserId();
3878            while (i.hasNext()) {
3879                final PackageParser.Package p = i.next();
3880                if (p.applicationInfo != null
3881                        && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0
3882                        && (!mSafeMode || isSystemApp(p))) {
3883                    PackageSetting ps = mSettings.mPackages.get(p.packageName);
3884                    if (ps != null) {
3885                        ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
3886                                ps.readUserState(userId), userId);
3887                        if (ai != null) {
3888                            finalList.add(ai);
3889                        }
3890                    }
3891                }
3892            }
3893        }
3894
3895        return finalList;
3896    }
3897
3898    @Override
3899    public ProviderInfo resolveContentProvider(String name, int flags, int userId) {
3900        if (!sUserManager.exists(userId)) return null;
3901        // reader
3902        synchronized (mPackages) {
3903            final PackageParser.Provider provider = mProvidersByAuthority.get(name);
3904            PackageSetting ps = provider != null
3905                    ? mSettings.mPackages.get(provider.owner.packageName)
3906                    : null;
3907            return ps != null
3908                    && mSettings.isEnabledLPr(provider.info, flags, userId)
3909                    && (!mSafeMode || (provider.info.applicationInfo.flags
3910                            &ApplicationInfo.FLAG_SYSTEM) != 0)
3911                    ? PackageParser.generateProviderInfo(provider, flags,
3912                            ps.readUserState(userId), userId)
3913                    : null;
3914        }
3915    }
3916
3917    /**
3918     * @deprecated
3919     */
3920    @Deprecated
3921    public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) {
3922        // reader
3923        synchronized (mPackages) {
3924            final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority
3925                    .entrySet().iterator();
3926            final int userId = UserHandle.getCallingUserId();
3927            while (i.hasNext()) {
3928                Map.Entry<String, PackageParser.Provider> entry = i.next();
3929                PackageParser.Provider p = entry.getValue();
3930                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
3931
3932                if (ps != null && p.syncable
3933                        && (!mSafeMode || (p.info.applicationInfo.flags
3934                                &ApplicationInfo.FLAG_SYSTEM) != 0)) {
3935                    ProviderInfo info = PackageParser.generateProviderInfo(p, 0,
3936                            ps.readUserState(userId), userId);
3937                    if (info != null) {
3938                        outNames.add(entry.getKey());
3939                        outInfo.add(info);
3940                    }
3941                }
3942            }
3943        }
3944    }
3945
3946    @Override
3947    public List<ProviderInfo> queryContentProviders(String processName,
3948            int uid, int flags) {
3949        ArrayList<ProviderInfo> finalList = null;
3950        // reader
3951        synchronized (mPackages) {
3952            final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator();
3953            final int userId = processName != null ?
3954                    UserHandle.getUserId(uid) : UserHandle.getCallingUserId();
3955            while (i.hasNext()) {
3956                final PackageParser.Provider p = i.next();
3957                PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
3958                if (ps != null && p.info.authority != null
3959                        && (processName == null
3960                                || (p.info.processName.equals(processName)
3961                                        && UserHandle.isSameApp(p.info.applicationInfo.uid, uid)))
3962                        && mSettings.isEnabledLPr(p.info, flags, userId)
3963                        && (!mSafeMode
3964                                || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) {
3965                    if (finalList == null) {
3966                        finalList = new ArrayList<ProviderInfo>(3);
3967                    }
3968                    ProviderInfo info = PackageParser.generateProviderInfo(p, flags,
3969                            ps.readUserState(userId), userId);
3970                    if (info != null) {
3971                        finalList.add(info);
3972                    }
3973                }
3974            }
3975        }
3976
3977        if (finalList != null) {
3978            Collections.sort(finalList, mProviderInitOrderSorter);
3979        }
3980
3981        return finalList;
3982    }
3983
3984    @Override
3985    public InstrumentationInfo getInstrumentationInfo(ComponentName name,
3986            int flags) {
3987        // reader
3988        synchronized (mPackages) {
3989            final PackageParser.Instrumentation i = mInstrumentation.get(name);
3990            return PackageParser.generateInstrumentationInfo(i, flags);
3991        }
3992    }
3993
3994    @Override
3995    public List<InstrumentationInfo> queryInstrumentation(String targetPackage,
3996            int flags) {
3997        ArrayList<InstrumentationInfo> finalList =
3998            new ArrayList<InstrumentationInfo>();
3999
4000        // reader
4001        synchronized (mPackages) {
4002            final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator();
4003            while (i.hasNext()) {
4004                final PackageParser.Instrumentation p = i.next();
4005                if (targetPackage == null
4006                        || targetPackage.equals(p.info.targetPackage)) {
4007                    InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p,
4008                            flags);
4009                    if (ii != null) {
4010                        finalList.add(ii);
4011                    }
4012                }
4013            }
4014        }
4015
4016        return finalList;
4017    }
4018
4019    private void createIdmapsForPackageLI(PackageParser.Package pkg) {
4020        HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName);
4021        if (overlays == null) {
4022            Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages");
4023            return;
4024        }
4025        for (PackageParser.Package opkg : overlays.values()) {
4026            // Not much to do if idmap fails: we already logged the error
4027            // and we certainly don't want to abort installation of pkg simply
4028            // because an overlay didn't fit properly. For these reasons,
4029            // ignore the return value of createIdmapForPackagePairLI.
4030            createIdmapForPackagePairLI(pkg, opkg);
4031        }
4032    }
4033
4034    private boolean createIdmapForPackagePairLI(PackageParser.Package pkg,
4035            PackageParser.Package opkg) {
4036        if (!opkg.mTrustedOverlay) {
4037            Slog.w(TAG, "Skipping target and overlay pair " + pkg.codePath + " and " +
4038                    opkg.codePath + ": overlay not trusted");
4039            return false;
4040        }
4041        HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName);
4042        if (overlaySet == null) {
4043            Slog.e(TAG, "was about to create idmap for " + pkg.codePath + " and " +
4044                    opkg.codePath + " but target package has no known overlays");
4045            return false;
4046        }
4047        final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
4048        // TODO: generate idmap for split APKs
4049        if (mInstaller.idmap(pkg.codePath, opkg.codePath, sharedGid) != 0) {
4050            Slog.e(TAG, "Failed to generate idmap for " + pkg.codePath + " and " + opkg.codePath);
4051            return false;
4052        }
4053        PackageParser.Package[] overlayArray =
4054            overlaySet.values().toArray(new PackageParser.Package[0]);
4055        Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() {
4056            public int compare(PackageParser.Package p1, PackageParser.Package p2) {
4057                return p1.mOverlayPriority - p2.mOverlayPriority;
4058            }
4059        };
4060        Arrays.sort(overlayArray, cmp);
4061
4062        pkg.applicationInfo.resourceDirs = new String[overlayArray.length];
4063        int i = 0;
4064        for (PackageParser.Package p : overlayArray) {
4065            pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir;
4066        }
4067        return true;
4068    }
4069
4070    private void scanDirLI(File dir, int flags, int scanMode, long currentTime) {
4071        String[] files = dir.list();
4072        if (files == null) {
4073            Log.d(TAG, "No files in app dir " + dir);
4074            return;
4075        }
4076
4077        if (DEBUG_PACKAGE_SCANNING) {
4078            Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode
4079                    + " flags=0x" + Integer.toHexString(flags));
4080        }
4081
4082        int i;
4083        for (i=0; i<files.length; i++) {
4084            File file = new File(dir, files[i]);
4085            if (!isPackageFilename(files[i])) {
4086                // Ignore entries which are not apk's
4087                continue;
4088            }
4089            PackageParser.Package pkg = scanPackageLI(file,
4090                    flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null, null);
4091            // Don't mess around with apps in system partition.
4092            if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 &&
4093                    mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) {
4094                // Delete the apk
4095                Slog.w(TAG, "Cleaning up failed install of " + file);
4096                file.delete();
4097            }
4098        }
4099    }
4100
4101    private static File getSettingsProblemFile() {
4102        File dataDir = Environment.getDataDirectory();
4103        File systemDir = new File(dataDir, "system");
4104        File fname = new File(systemDir, "uiderrors.txt");
4105        return fname;
4106    }
4107
4108    static void reportSettingsProblem(int priority, String msg) {
4109        try {
4110            File fname = getSettingsProblemFile();
4111            FileOutputStream out = new FileOutputStream(fname, true);
4112            PrintWriter pw = new FastPrintWriter(out);
4113            SimpleDateFormat formatter = new SimpleDateFormat();
4114            String dateString = formatter.format(new Date(System.currentTimeMillis()));
4115            pw.println(dateString + ": " + msg);
4116            pw.close();
4117            FileUtils.setPermissions(
4118                    fname.toString(),
4119                    FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH,
4120                    -1, -1);
4121        } catch (java.io.IOException e) {
4122        }
4123        Slog.println(priority, TAG, msg);
4124    }
4125
4126    private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps,
4127            PackageParser.Package pkg, File srcFile, int parseFlags) {
4128        if (ps != null
4129                && ps.codePath.equals(srcFile)
4130                && ps.timeStamp == srcFile.lastModified()
4131                && !isCompatSignatureUpdateNeeded(pkg)) {
4132            if (ps.signatures.mSignatures != null
4133                    && ps.signatures.mSignatures.length != 0) {
4134                // Optimization: reuse the existing cached certificates
4135                // if the package appears to be unchanged.
4136                pkg.mSignatures = ps.signatures.mSignatures;
4137                return true;
4138            }
4139
4140            Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures.  Collecting certs again to recover them.");
4141        } else {
4142            Log.i(TAG, srcFile.toString() + " changed; collecting certs");
4143        }
4144
4145        try {
4146            pp.collectCertificates(pkg, parseFlags);
4147            pp.collectManifestDigest(pkg);
4148        } catch (PackageParserException e) {
4149            mLastScanError = e.error;
4150            return false;
4151        }
4152        return true;
4153    }
4154
4155    /*
4156     *  Scan a package and return the newly parsed package.
4157     *  Returns null in case of errors and the error code is stored in mLastScanError
4158     */
4159    private PackageParser.Package scanPackageLI(File scanFile,
4160            int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) {
4161        mLastScanError = PackageManager.INSTALL_SUCCEEDED;
4162        String scanPath = scanFile.getPath();
4163        if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath);
4164        parseFlags |= mDefParseFlags;
4165        PackageParser pp = new PackageParser();
4166        pp.setSeparateProcesses(mSeparateProcesses);
4167        pp.setOnlyCoreApps(mOnlyCore);
4168        pp.setDisplayMetrics(mMetrics);
4169
4170        if ((scanMode & SCAN_TRUSTED_OVERLAY) != 0) {
4171            parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY;
4172        }
4173
4174        final PackageParser.Package pkg;
4175        try {
4176            pkg = pp.parseMonolithicPackage(scanFile, parseFlags);
4177        } catch (PackageParserException e) {
4178            mLastScanError = e.error;
4179            return null;
4180        }
4181
4182        PackageSetting ps = null;
4183        PackageSetting updatedPkg;
4184        // reader
4185        synchronized (mPackages) {
4186            // Look to see if we already know about this package.
4187            String oldName = mSettings.mRenamedPackages.get(pkg.packageName);
4188            if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) {
4189                // This package has been renamed to its original name.  Let's
4190                // use that.
4191                ps = mSettings.peekPackageLPr(oldName);
4192            }
4193            // If there was no original package, see one for the real package name.
4194            if (ps == null) {
4195                ps = mSettings.peekPackageLPr(pkg.packageName);
4196            }
4197            // Check to see if this package could be hiding/updating a system
4198            // package.  Must look for it either under the original or real
4199            // package name depending on our state.
4200            updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName);
4201            if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg);
4202        }
4203        boolean updatedPkgBetter = false;
4204        // First check if this is a system package that may involve an update
4205        if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
4206            if (ps != null && !ps.codePath.equals(scanFile)) {
4207                // The path has changed from what was last scanned...  check the
4208                // version of the new path against what we have stored to determine
4209                // what to do.
4210                if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath);
4211                if (pkg.mVersionCode < ps.versionCode) {
4212                    // The system package has been updated and the code path does not match
4213                    // Ignore entry. Skip it.
4214                    Log.i(TAG, "Package " + ps.name + " at " + scanFile
4215                            + " ignored: updated version " + ps.versionCode
4216                            + " better than this " + pkg.mVersionCode);
4217                    if (!updatedPkg.codePath.equals(scanFile)) {
4218                        Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : "
4219                                + ps.name + " changing from " + updatedPkg.codePathString
4220                                + " to " + scanFile);
4221                        updatedPkg.codePath = scanFile;
4222                        updatedPkg.codePathString = scanFile.toString();
4223                        // This is the point at which we know that the system-disk APK
4224                        // for this package has moved during a reboot (e.g. due to an OTA),
4225                        // so we need to reevaluate it for privilege policy.
4226                        if (locationIsPrivileged(scanFile)) {
4227                            updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED;
4228                        }
4229                    }
4230                    updatedPkg.pkg = pkg;
4231                    mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE;
4232                    return null;
4233                } else {
4234                    // The current app on the system partition is better than
4235                    // what we have updated to on the data partition; switch
4236                    // back to the system partition version.
4237                    // At this point, its safely assumed that package installation for
4238                    // apps in system partition will go through. If not there won't be a working
4239                    // version of the app
4240                    // writer
4241                    synchronized (mPackages) {
4242                        // Just remove the loaded entries from package lists.
4243                        mPackages.remove(ps.name);
4244                    }
4245                    Slog.w(TAG, "Package " + ps.name + " at " + scanFile
4246                            + "reverting from " + ps.codePathString
4247                            + ": new version " + pkg.mVersionCode
4248                            + " better than installed " + ps.versionCode);
4249
4250                    InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps),
4251                            ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString,
4252                            getAppInstructionSetFromSettings(ps));
4253                    synchronized (mInstallLock) {
4254                        args.cleanUpResourcesLI();
4255                    }
4256                    synchronized (mPackages) {
4257                        mSettings.enableSystemPackageLPw(ps.name);
4258                    }
4259                    updatedPkgBetter = true;
4260                }
4261            }
4262        }
4263
4264        if (updatedPkg != null) {
4265            // An updated system app will not have the PARSE_IS_SYSTEM flag set
4266            // initially
4267            parseFlags |= PackageParser.PARSE_IS_SYSTEM;
4268
4269            // An updated privileged app will not have the PARSE_IS_PRIVILEGED
4270            // flag set initially
4271            if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) {
4272                parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
4273            }
4274        }
4275        // Verify certificates against what was last scanned
4276        if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) {
4277            Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName);
4278            return null;
4279        }
4280
4281        /*
4282         * A new system app appeared, but we already had a non-system one of the
4283         * same name installed earlier.
4284         */
4285        boolean shouldHideSystemApp = false;
4286        if (updatedPkg == null && ps != null
4287                && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) {
4288            /*
4289             * Check to make sure the signatures match first. If they don't,
4290             * wipe the installed application and its data.
4291             */
4292            if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures)
4293                    != PackageManager.SIGNATURE_MATCH) {
4294                if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!");
4295                deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false);
4296                ps = null;
4297            } else {
4298                /*
4299                 * If the newly-added system app is an older version than the
4300                 * already installed version, hide it. It will be scanned later
4301                 * and re-added like an update.
4302                 */
4303                if (pkg.mVersionCode < ps.versionCode) {
4304                    shouldHideSystemApp = true;
4305                } else {
4306                    /*
4307                     * The newly found system app is a newer version that the
4308                     * one previously installed. Simply remove the
4309                     * already-installed application and replace it with our own
4310                     * while keeping the application data.
4311                     */
4312                    Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from "
4313                            + ps.codePathString + ": new version " + pkg.mVersionCode
4314                            + " better than installed " + ps.versionCode);
4315                    InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps),
4316                            ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString,
4317                            getAppInstructionSetFromSettings(ps));
4318                    synchronized (mInstallLock) {
4319                        args.cleanUpResourcesLI();
4320                    }
4321                }
4322            }
4323        }
4324
4325        // The apk is forward locked (not public) if its code and resources
4326        // are kept in different files. (except for app in either system or
4327        // vendor path).
4328        // TODO grab this value from PackageSettings
4329        if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
4330            if (ps != null && !ps.codePath.equals(ps.resourcePath)) {
4331                parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
4332            }
4333        }
4334
4335        final String codePath = pkg.codePath;
4336        final String[] splitCodePaths = pkg.splitCodePaths;
4337
4338        String resPath = null;
4339        String[] splitResPaths = null;
4340        if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) {
4341            if (ps != null && ps.resourcePathString != null) {
4342                resPath = ps.resourcePathString;
4343                splitResPaths = deriveSplitResPaths(pkg.splitCodePaths);
4344            } else {
4345                // Should not happen at all. Just log an error.
4346                Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName);
4347            }
4348        } else {
4349            resPath = pkg.codePath;
4350            splitResPaths = pkg.splitCodePaths;
4351        }
4352
4353        // Set application objects path explicitly.
4354        pkg.applicationInfo.sourceDir = codePath;
4355        pkg.applicationInfo.publicSourceDir = resPath;
4356        pkg.applicationInfo.splitSourceDirs = splitCodePaths;
4357        pkg.applicationInfo.splitPublicSourceDirs = splitResPaths;
4358
4359        // Note that we invoke the following method only if we are about to unpack an application
4360        PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode
4361                | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride);
4362
4363        /*
4364         * If the system app should be overridden by a previously installed
4365         * data, hide the system app now and let the /data/app scan pick it up
4366         * again.
4367         */
4368        if (shouldHideSystemApp) {
4369            synchronized (mPackages) {
4370                /*
4371                 * We have to grant systems permissions before we hide, because
4372                 * grantPermissions will assume the package update is trying to
4373                 * expand its permissions.
4374                 */
4375                grantPermissionsLPw(pkg, true);
4376                mSettings.disableSystemPackageLPw(pkg.packageName);
4377            }
4378        }
4379
4380        return scannedPkg;
4381    }
4382
4383    private static String fixProcessName(String defProcessName,
4384            String processName, int uid) {
4385        if (processName == null) {
4386            return defProcessName;
4387        }
4388        return processName;
4389    }
4390
4391    private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) {
4392        if (pkgSetting.signatures.mSignatures != null) {
4393            // Already existing package. Make sure signatures match
4394            boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures)
4395                    == PackageManager.SIGNATURE_MATCH;
4396            if (!match) {
4397                match = compareSignaturesCompat(pkgSetting.signatures, pkg)
4398                        == PackageManager.SIGNATURE_MATCH;
4399            }
4400            if (!match) {
4401                Slog.e(TAG, "Package " + pkg.packageName
4402                        + " signatures do not match the previously installed version; ignoring!");
4403                mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE;
4404                return false;
4405            }
4406        }
4407        // Check for shared user signatures
4408        if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) {
4409            // Already existing package. Make sure signatures match
4410            boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
4411                    pkg.mSignatures) == PackageManager.SIGNATURE_MATCH;
4412            if (!match) {
4413                match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg)
4414                        == PackageManager.SIGNATURE_MATCH;
4415            }
4416            if (!match) {
4417                Slog.e(TAG, "Package " + pkg.packageName
4418                        + " has no signatures that match those in shared user "
4419                        + pkgSetting.sharedUser.name + "; ignoring!");
4420                mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE;
4421                return false;
4422            }
4423        }
4424        return true;
4425    }
4426
4427    /**
4428     * Enforces that only the system UID or root's UID can call a method exposed
4429     * via Binder.
4430     *
4431     * @param message used as message if SecurityException is thrown
4432     * @throws SecurityException if the caller is not system or root
4433     */
4434    private static final void enforceSystemOrRoot(String message) {
4435        final int uid = Binder.getCallingUid();
4436        if (uid != Process.SYSTEM_UID && uid != 0) {
4437            throw new SecurityException(message);
4438        }
4439    }
4440
4441    @Override
4442    public void performBootDexOpt() {
4443        enforceSystemOrRoot("Only the system can request dexopt be performed");
4444
4445        final HashSet<PackageParser.Package> pkgs;
4446        synchronized (mPackages) {
4447            pkgs = mDeferredDexOpt;
4448            mDeferredDexOpt = null;
4449        }
4450
4451        if (pkgs != null) {
4452            // Filter out packages that aren't recently used.
4453            //
4454            // The exception is first boot of a non-eng device, which
4455            // should do a full dexopt.
4456            boolean eng = "eng".equals(SystemProperties.get("ro.build.type"));
4457            if (eng || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) {
4458                // TODO: add a property to control this?
4459                long dexOptLRUThresholdInMinutes;
4460                if (eng) {
4461                    dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds.
4462                } else {
4463                    dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users.
4464                }
4465                long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000;
4466
4467                int total = pkgs.size();
4468                int skipped = 0;
4469                long now = System.currentTimeMillis();
4470                for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) {
4471                    PackageParser.Package pkg = i.next();
4472                    long then = pkg.mLastPackageUsageTimeInMills;
4473                    if (then + dexOptLRUThresholdInMills < now) {
4474                        if (DEBUG_DEXOPT) {
4475                            Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " +
4476                                  ((then == 0) ? "never" : new Date(then)));
4477                        }
4478                        i.remove();
4479                        skipped++;
4480                    }
4481                }
4482                if (DEBUG_DEXOPT) {
4483                    Log.i(TAG, "Skipped optimizing " + skipped + " of " + total);
4484                }
4485            }
4486
4487            int i = 0;
4488            for (PackageParser.Package pkg : pkgs) {
4489                i++;
4490                if (DEBUG_DEXOPT) {
4491                    Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size()
4492                          + ": " + pkg.packageName);
4493                }
4494                if (!isFirstBoot()) {
4495                    try {
4496                        ActivityManagerNative.getDefault().showBootMessage(
4497                                mContext.getResources().getString(
4498                                        R.string.android_upgrading_apk,
4499                                        i, pkgs.size()), true);
4500                    } catch (RemoteException e) {
4501                    }
4502                }
4503                PackageParser.Package p = pkg;
4504                synchronized (mInstallLock) {
4505                    if (p.mDexOptNeeded) {
4506                        performDexOptLI(p, false /* force dex */, false /* defer */,
4507                                true /* include dependencies */);
4508                    }
4509                }
4510            }
4511        }
4512    }
4513
4514    @Override
4515    public boolean performDexOpt(String packageName) {
4516        enforceSystemOrRoot("Only the system can request dexopt be performed");
4517        return performDexOpt(packageName, true);
4518    }
4519
4520    public boolean performDexOpt(String packageName, boolean updateUsage) {
4521
4522        PackageParser.Package p;
4523        synchronized (mPackages) {
4524            p = mPackages.get(packageName);
4525            if (p == null) {
4526                return false;
4527            }
4528            if (updateUsage) {
4529                p.mLastPackageUsageTimeInMills = System.currentTimeMillis();
4530            }
4531            mPackageUsage.write(false);
4532            if (!p.mDexOptNeeded) {
4533                return false;
4534            }
4535        }
4536
4537        synchronized (mInstallLock) {
4538            return performDexOptLI(p, false /* force dex */, false /* defer */,
4539                    true /* include dependencies */) == DEX_OPT_PERFORMED;
4540        }
4541    }
4542
4543    public HashSet<String> getPackagesThatNeedDexOpt() {
4544        HashSet<String> pkgs = null;
4545        synchronized (mPackages) {
4546            for (PackageParser.Package p : mPackages.values()) {
4547                if (DEBUG_DEXOPT) {
4548                    Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded);
4549                }
4550                if (!p.mDexOptNeeded) {
4551                    continue;
4552                }
4553                if (pkgs == null) {
4554                    pkgs = new HashSet<String>();
4555                }
4556                pkgs.add(p.packageName);
4557            }
4558        }
4559        return pkgs;
4560    }
4561
4562    public void shutdown() {
4563        mPackageUsage.write(true);
4564    }
4565
4566    private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet,
4567             boolean forceDex, boolean defer, HashSet<String> done) {
4568        for (int i=0; i<libs.size(); i++) {
4569            PackageParser.Package libPkg;
4570            String libName;
4571            synchronized (mPackages) {
4572                libName = libs.get(i);
4573                SharedLibraryEntry lib = mSharedLibraries.get(libName);
4574                if (lib != null && lib.apk != null) {
4575                    libPkg = mPackages.get(lib.apk);
4576                } else {
4577                    libPkg = null;
4578                }
4579            }
4580            if (libPkg != null && !done.contains(libName)) {
4581                performDexOptLI(libPkg, instructionSet, forceDex, defer, done);
4582            }
4583        }
4584    }
4585
4586    static final int DEX_OPT_SKIPPED = 0;
4587    static final int DEX_OPT_PERFORMED = 1;
4588    static final int DEX_OPT_DEFERRED = 2;
4589    static final int DEX_OPT_FAILED = -1;
4590
4591    private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride,
4592            boolean forceDex, boolean defer, HashSet<String> done) {
4593        final String instructionSet = instructionSetOverride != null ?
4594                instructionSetOverride : getAppInstructionSet(pkg.applicationInfo);
4595
4596        if (done != null) {
4597            done.add(pkg.packageName);
4598            if (pkg.usesLibraries != null) {
4599                performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done);
4600            }
4601            if (pkg.usesOptionalLibraries != null) {
4602                performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done);
4603            }
4604        }
4605
4606        if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0) {
4607            final Collection<String> paths = pkg.getAllCodePaths();
4608            for (String path : paths) {
4609                try {
4610                    boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path,
4611                            pkg.packageName, instructionSet, defer);
4612                    // There are three basic cases here:
4613                    // 1.) we need to dexopt, either because we are forced or it is needed
4614                    // 2.) we are defering a needed dexopt
4615                    // 3.) we are skipping an unneeded dexopt
4616                    if (forceDex || (!defer && isDexOptNeededInternal)) {
4617                        Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName);
4618                        final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
4619                        int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg),
4620                                                    pkg.packageName, instructionSet);
4621                        // Note that we ran dexopt, since rerunning will
4622                        // probably just result in an error again.
4623                        pkg.mDexOptNeeded = false;
4624                        if (ret < 0) {
4625                            return DEX_OPT_FAILED;
4626                        }
4627                        return DEX_OPT_PERFORMED;
4628                    }
4629                    if (defer && isDexOptNeededInternal) {
4630                        if (mDeferredDexOpt == null) {
4631                            mDeferredDexOpt = new HashSet<PackageParser.Package>();
4632                        }
4633                        mDeferredDexOpt.add(pkg);
4634                        return DEX_OPT_DEFERRED;
4635                    }
4636                    pkg.mDexOptNeeded = false;
4637                    return DEX_OPT_SKIPPED;
4638                } catch (FileNotFoundException e) {
4639                    Slog.w(TAG, "Apk not found for dexopt: " + path);
4640                    return DEX_OPT_FAILED;
4641                } catch (IOException e) {
4642                    Slog.w(TAG, "IOException reading apk: " + path, e);
4643                    return DEX_OPT_FAILED;
4644                } catch (StaleDexCacheError e) {
4645                    Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e);
4646                    return DEX_OPT_FAILED;
4647                } catch (Exception e) {
4648                    Slog.w(TAG, "Exception when doing dexopt : ", e);
4649                    return DEX_OPT_FAILED;
4650                }
4651            }
4652        }
4653        return DEX_OPT_SKIPPED;
4654    }
4655
4656    private String getAppInstructionSet(ApplicationInfo info) {
4657        String instructionSet = getPreferredInstructionSet();
4658
4659        if (info.cpuAbi != null) {
4660            instructionSet = VMRuntime.getInstructionSet(info.cpuAbi);
4661        }
4662
4663        return instructionSet;
4664    }
4665
4666    private String getAppInstructionSetFromSettings(PackageSetting ps) {
4667        String instructionSet = getPreferredInstructionSet();
4668
4669        if (ps.cpuAbiString != null) {
4670            instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString);
4671        }
4672
4673        return instructionSet;
4674    }
4675
4676    private static String getPreferredInstructionSet() {
4677        if (sPreferredInstructionSet == null) {
4678            sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]);
4679        }
4680
4681        return sPreferredInstructionSet;
4682    }
4683
4684    private static List<String> getAllInstructionSets() {
4685        final String[] allAbis = Build.SUPPORTED_ABIS;
4686        final List<String> allInstructionSets = new ArrayList<String>(allAbis.length);
4687
4688        for (String abi : allAbis) {
4689            final String instructionSet = VMRuntime.getInstructionSet(abi);
4690            if (!allInstructionSets.contains(instructionSet)) {
4691                allInstructionSets.add(instructionSet);
4692            }
4693        }
4694
4695        return allInstructionSets;
4696    }
4697
4698    private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer,
4699            boolean inclDependencies) {
4700        HashSet<String> done;
4701        if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) {
4702            done = new HashSet<String>();
4703            done.add(pkg.packageName);
4704        } else {
4705            done = null;
4706        }
4707        return performDexOptLI(pkg, null /* instruction set override */,  forceDex, defer, done);
4708    }
4709
4710    private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) {
4711        if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) {
4712            Slog.w(TAG, "Unable to update from " + oldPkg.name
4713                    + " to " + newPkg.packageName
4714                    + ": old package not in system partition");
4715            return false;
4716        } else if (mPackages.get(oldPkg.name) != null) {
4717            Slog.w(TAG, "Unable to update from " + oldPkg.name
4718                    + " to " + newPkg.packageName
4719                    + ": old package still exists");
4720            return false;
4721        }
4722        return true;
4723    }
4724
4725    File getDataPathForUser(int userId) {
4726        return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId);
4727    }
4728
4729    private File getDataPathForPackage(String packageName, int userId) {
4730        /*
4731         * Until we fully support multiple users, return the directory we
4732         * previously would have. The PackageManagerTests will need to be
4733         * revised when this is changed back..
4734         */
4735        if (userId == 0) {
4736            return new File(mAppDataDir, packageName);
4737        } else {
4738            return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId
4739                + File.separator + packageName);
4740        }
4741    }
4742
4743    private int createDataDirsLI(String packageName, int uid, String seinfo) {
4744        int[] users = sUserManager.getUserIds();
4745        int res = mInstaller.install(packageName, uid, uid, seinfo);
4746        if (res < 0) {
4747            return res;
4748        }
4749        for (int user : users) {
4750            if (user != 0) {
4751                res = mInstaller.createUserData(packageName,
4752                        UserHandle.getUid(user, uid), user, seinfo);
4753                if (res < 0) {
4754                    return res;
4755                }
4756            }
4757        }
4758        return res;
4759    }
4760
4761    private int removeDataDirsLI(String packageName) {
4762        int[] users = sUserManager.getUserIds();
4763        int res = 0;
4764        for (int user : users) {
4765            int resInner = mInstaller.remove(packageName, user);
4766            if (resInner < 0) {
4767                res = resInner;
4768            }
4769        }
4770
4771        final File nativeLibraryFile = new File(mAppLibInstallDir, packageName);
4772        NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile);
4773        if (!nativeLibraryFile.delete()) {
4774            Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath());
4775        }
4776
4777        return res;
4778    }
4779
4780    private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file,
4781            PackageParser.Package changingLib) {
4782        if (file.path != null) {
4783            usesLibraryFiles.add(file.path);
4784            return;
4785        }
4786        PackageParser.Package p = mPackages.get(file.apk);
4787        if (changingLib != null && changingLib.packageName.equals(file.apk)) {
4788            // If we are doing this while in the middle of updating a library apk,
4789            // then we need to make sure to use that new apk for determining the
4790            // dependencies here.  (We haven't yet finished committing the new apk
4791            // to the package manager state.)
4792            if (p == null || p.packageName.equals(changingLib.packageName)) {
4793                p = changingLib;
4794            }
4795        }
4796        if (p != null) {
4797            usesLibraryFiles.addAll(p.getAllCodePaths());
4798        }
4799    }
4800
4801    private boolean updateSharedLibrariesLPw(PackageParser.Package pkg,
4802            PackageParser.Package changingLib) {
4803        // We might be upgrading from a version of the platform that did not
4804        // provide per-package native library directories for system apps.
4805        // Fix that up here.
4806        if (isSystemApp(pkg)) {
4807            PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName);
4808            setInternalAppNativeLibraryPath(pkg, ps);
4809        }
4810
4811        if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) {
4812            final ArraySet<String> usesLibraryFiles = new ArraySet<>();
4813            int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0;
4814            for (int i=0; i<N; i++) {
4815                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i));
4816                if (file == null) {
4817                    Slog.e(TAG, "Package " + pkg.packageName
4818                            + " requires unavailable shared library "
4819                            + pkg.usesLibraries.get(i) + "; failing!");
4820                    mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY;
4821                    return false;
4822                }
4823                addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
4824            }
4825            N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0;
4826            for (int i=0; i<N; i++) {
4827                final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i));
4828                if (file == null) {
4829                    Slog.w(TAG, "Package " + pkg.packageName
4830                            + " desires unavailable shared library "
4831                            + pkg.usesOptionalLibraries.get(i) + "; ignoring!");
4832                } else {
4833                    addSharedLibraryLPw(usesLibraryFiles, file, changingLib);
4834                }
4835            }
4836            N = usesLibraryFiles.size();
4837            if (N > 0) {
4838                pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]);
4839            } else {
4840                pkg.usesLibraryFiles = null;
4841            }
4842        }
4843        return true;
4844    }
4845
4846    private static boolean hasString(List<String> list, List<String> which) {
4847        if (list == null) {
4848            return false;
4849        }
4850        for (int i=list.size()-1; i>=0; i--) {
4851            for (int j=which.size()-1; j>=0; j--) {
4852                if (which.get(j).equals(list.get(i))) {
4853                    return true;
4854                }
4855            }
4856        }
4857        return false;
4858    }
4859
4860    private void updateAllSharedLibrariesLPw() {
4861        for (PackageParser.Package pkg : mPackages.values()) {
4862            updateSharedLibrariesLPw(pkg, null);
4863        }
4864    }
4865
4866    private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw(
4867            PackageParser.Package changingPkg) {
4868        ArrayList<PackageParser.Package> res = null;
4869        for (PackageParser.Package pkg : mPackages.values()) {
4870            if (hasString(pkg.usesLibraries, changingPkg.libraryNames)
4871                    || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) {
4872                if (res == null) {
4873                    res = new ArrayList<PackageParser.Package>();
4874                }
4875                res.add(pkg);
4876                updateSharedLibrariesLPw(pkg, changingPkg);
4877            }
4878        }
4879        return res;
4880    }
4881
4882    private PackageParser.Package scanPackageLI(PackageParser.Package pkg,
4883            int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) {
4884        final File scanFile = new File(pkg.codePath);
4885        if (pkg.applicationInfo.sourceDir == null ||
4886                pkg.applicationInfo.publicSourceDir == null) {
4887            // Bail out. The resource and code paths haven't been set.
4888            Slog.w(TAG, " Code and resource paths haven't been set correctly");
4889            mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK;
4890            return null;
4891        }
4892
4893        if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
4894            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM;
4895        }
4896
4897        if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) {
4898            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED;
4899        }
4900
4901        if (mCustomResolverComponentName != null &&
4902                mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) {
4903            setUpCustomResolverActivity(pkg);
4904        }
4905
4906        if (pkg.packageName.equals("android")) {
4907            synchronized (mPackages) {
4908                if (mAndroidApplication != null) {
4909                    Slog.w(TAG, "*************************************************");
4910                    Slog.w(TAG, "Core android package being redefined.  Skipping.");
4911                    Slog.w(TAG, " file=" + scanFile);
4912                    Slog.w(TAG, "*************************************************");
4913                    mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE;
4914                    return null;
4915                }
4916
4917                // Set up information for our fall-back user intent resolution activity.
4918                mPlatformPackage = pkg;
4919                pkg.mVersionCode = mSdkVersion;
4920                mAndroidApplication = pkg.applicationInfo;
4921
4922                if (!mResolverReplaced) {
4923                    mResolveActivity.applicationInfo = mAndroidApplication;
4924                    mResolveActivity.name = ResolverActivity.class.getName();
4925                    mResolveActivity.packageName = mAndroidApplication.packageName;
4926                    mResolveActivity.processName = "system:ui";
4927                    mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
4928                    mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER;
4929                    mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS;
4930                    mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert;
4931                    mResolveActivity.exported = true;
4932                    mResolveActivity.enabled = true;
4933                    mResolveInfo.activityInfo = mResolveActivity;
4934                    mResolveInfo.priority = 0;
4935                    mResolveInfo.preferredOrder = 0;
4936                    mResolveInfo.match = 0;
4937                    mResolveComponentName = new ComponentName(
4938                            mAndroidApplication.packageName, mResolveActivity.name);
4939                }
4940            }
4941        }
4942
4943        if (DEBUG_PACKAGE_SCANNING) {
4944            if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
4945                Log.d(TAG, "Scanning package " + pkg.packageName);
4946        }
4947
4948        if (mPackages.containsKey(pkg.packageName)
4949                || mSharedLibraries.containsKey(pkg.packageName)) {
4950            Slog.w(TAG, "Application package " + pkg.packageName
4951                    + " already installed.  Skipping duplicate.");
4952            mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE;
4953            return null;
4954        }
4955
4956        // Initialize package source and resource directories
4957        File destCodeFile = new File(pkg.applicationInfo.sourceDir);
4958        File destResourceFile = new File(pkg.applicationInfo.publicSourceDir);
4959
4960        SharedUserSetting suid = null;
4961        PackageSetting pkgSetting = null;
4962
4963        if (!isSystemApp(pkg)) {
4964            // Only system apps can use these features.
4965            pkg.mOriginalPackages = null;
4966            pkg.mRealPackage = null;
4967            pkg.mAdoptPermissions = null;
4968        }
4969
4970        // writer
4971        synchronized (mPackages) {
4972            if (pkg.mSharedUserId != null) {
4973                suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true);
4974                if (suid == null) {
4975                    Slog.w(TAG, "Creating application package " + pkg.packageName
4976                            + " for shared user failed");
4977                    mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
4978                    return null;
4979                }
4980                if (DEBUG_PACKAGE_SCANNING) {
4981                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
4982                        Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId
4983                                + "): packages=" + suid.packages);
4984                }
4985            }
4986
4987            // Check if we are renaming from an original package name.
4988            PackageSetting origPackage = null;
4989            String realName = null;
4990            if (pkg.mOriginalPackages != null) {
4991                // This package may need to be renamed to a previously
4992                // installed name.  Let's check on that...
4993                final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage);
4994                if (pkg.mOriginalPackages.contains(renamed)) {
4995                    // This package had originally been installed as the
4996                    // original name, and we have already taken care of
4997                    // transitioning to the new one.  Just update the new
4998                    // one to continue using the old name.
4999                    realName = pkg.mRealPackage;
5000                    if (!pkg.packageName.equals(renamed)) {
5001                        // Callers into this function may have already taken
5002                        // care of renaming the package; only do it here if
5003                        // it is not already done.
5004                        pkg.setPackageName(renamed);
5005                    }
5006
5007                } else {
5008                    for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) {
5009                        if ((origPackage = mSettings.peekPackageLPr(
5010                                pkg.mOriginalPackages.get(i))) != null) {
5011                            // We do have the package already installed under its
5012                            // original name...  should we use it?
5013                            if (!verifyPackageUpdateLPr(origPackage, pkg)) {
5014                                // New package is not compatible with original.
5015                                origPackage = null;
5016                                continue;
5017                            } else if (origPackage.sharedUser != null) {
5018                                // Make sure uid is compatible between packages.
5019                                if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) {
5020                                    Slog.w(TAG, "Unable to migrate data from " + origPackage.name
5021                                            + " to " + pkg.packageName + ": old uid "
5022                                            + origPackage.sharedUser.name
5023                                            + " differs from " + pkg.mSharedUserId);
5024                                    origPackage = null;
5025                                    continue;
5026                                }
5027                            } else {
5028                                if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package "
5029                                        + pkg.packageName + " to old name " + origPackage.name);
5030                            }
5031                            break;
5032                        }
5033                    }
5034                }
5035            }
5036
5037            if (mTransferedPackages.contains(pkg.packageName)) {
5038                Slog.w(TAG, "Package " + pkg.packageName
5039                        + " was transferred to another, but its .apk remains");
5040            }
5041
5042            // Just create the setting, don't add it yet. For already existing packages
5043            // the PkgSetting exists already and doesn't have to be created.
5044            pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile,
5045                    destResourceFile, pkg.applicationInfo.nativeLibraryDir,
5046                    pkg.applicationInfo.cpuAbi,
5047                    pkg.applicationInfo.flags, user, false);
5048            if (pkgSetting == null) {
5049                Slog.w(TAG, "Creating application package " + pkg.packageName + " failed");
5050                mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
5051                return null;
5052            }
5053
5054            if (pkgSetting.origPackage != null) {
5055                // If we are first transitioning from an original package,
5056                // fix up the new package's name now.  We need to do this after
5057                // looking up the package under its new name, so getPackageLP
5058                // can take care of fiddling things correctly.
5059                pkg.setPackageName(origPackage.name);
5060
5061                // File a report about this.
5062                String msg = "New package " + pkgSetting.realName
5063                        + " renamed to replace old package " + pkgSetting.name;
5064                reportSettingsProblem(Log.WARN, msg);
5065
5066                // Make a note of it.
5067                mTransferedPackages.add(origPackage.name);
5068
5069                // No longer need to retain this.
5070                pkgSetting.origPackage = null;
5071            }
5072
5073            if (realName != null) {
5074                // Make a note of it.
5075                mTransferedPackages.add(pkg.packageName);
5076            }
5077
5078            if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) {
5079                pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
5080            }
5081
5082            if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5083                // Check all shared libraries and map to their actual file path.
5084                // We only do this here for apps not on a system dir, because those
5085                // are the only ones that can fail an install due to this.  We
5086                // will take care of the system apps by updating all of their
5087                // library paths after the scan is done.
5088                if (!updateSharedLibrariesLPw(pkg, null)) {
5089                    return null;
5090                }
5091            }
5092
5093            if (mFoundPolicyFile) {
5094                SELinuxMMAC.assignSeinfoValue(pkg);
5095            }
5096
5097            pkg.applicationInfo.uid = pkgSetting.appId;
5098            pkg.mExtras = pkgSetting;
5099
5100            if (!verifySignaturesLP(pkgSetting, pkg)) {
5101                if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
5102                    return null;
5103                }
5104                // The signature has changed, but this package is in the system
5105                // image...  let's recover!
5106                pkgSetting.signatures.mSignatures = pkg.mSignatures;
5107                // However...  if this package is part of a shared user, but it
5108                // doesn't match the signature of the shared user, let's fail.
5109                // What this means is that you can't change the signatures
5110                // associated with an overall shared user, which doesn't seem all
5111                // that unreasonable.
5112                if (pkgSetting.sharedUser != null) {
5113                    if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures,
5114                            pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) {
5115                        Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser);
5116                        mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES;
5117                        return null;
5118                    }
5119                }
5120                // File a report about this.
5121                String msg = "System package " + pkg.packageName
5122                        + " signature changed; retaining data.";
5123                reportSettingsProblem(Log.WARN, msg);
5124            }
5125
5126            // Verify that this new package doesn't have any content providers
5127            // that conflict with existing packages.  Only do this if the
5128            // package isn't already installed, since we don't want to break
5129            // things that are installed.
5130            if ((scanMode&SCAN_NEW_INSTALL) != 0) {
5131                final int N = pkg.providers.size();
5132                int i;
5133                for (i=0; i<N; i++) {
5134                    PackageParser.Provider p = pkg.providers.get(i);
5135                    if (p.info.authority != null) {
5136                        String names[] = p.info.authority.split(";");
5137                        for (int j = 0; j < names.length; j++) {
5138                            if (mProvidersByAuthority.containsKey(names[j])) {
5139                                PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
5140                                Slog.w(TAG, "Can't install because provider name " + names[j] +
5141                                        " (in package " + pkg.applicationInfo.packageName +
5142                                        ") is already used by "
5143                                        + ((other != null && other.getComponentName() != null)
5144                                                ? other.getComponentName().getPackageName() : "?"));
5145                                mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER;
5146                                return null;
5147                            }
5148                        }
5149                    }
5150                }
5151            }
5152
5153            if (pkg.mAdoptPermissions != null) {
5154                // This package wants to adopt ownership of permissions from
5155                // another package.
5156                for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) {
5157                    final String origName = pkg.mAdoptPermissions.get(i);
5158                    final PackageSetting orig = mSettings.peekPackageLPr(origName);
5159                    if (orig != null) {
5160                        if (verifyPackageUpdateLPr(orig, pkg)) {
5161                            Slog.i(TAG, "Adopting permissions from " + origName + " to "
5162                                    + pkg.packageName);
5163                            mSettings.transferPermissionsLPw(origName, pkg.packageName);
5164                        }
5165                    }
5166                }
5167            }
5168        }
5169
5170        final String pkgName = pkg.packageName;
5171
5172        final long scanFileTime = scanFile.lastModified();
5173        final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0;
5174        pkg.applicationInfo.processName = fixProcessName(
5175                pkg.applicationInfo.packageName,
5176                pkg.applicationInfo.processName,
5177                pkg.applicationInfo.uid);
5178
5179        File dataPath;
5180        if (mPlatformPackage == pkg) {
5181            // The system package is special.
5182            dataPath = new File (Environment.getDataDirectory(), "system");
5183            pkg.applicationInfo.dataDir = dataPath.getPath();
5184        } else {
5185            // This is a normal package, need to make its data directory.
5186            dataPath = getDataPathForPackage(pkg.packageName, 0);
5187
5188            boolean uidError = false;
5189
5190            if (dataPath.exists()) {
5191                int currentUid = 0;
5192                try {
5193                    StructStat stat = Os.stat(dataPath.getPath());
5194                    currentUid = stat.st_uid;
5195                } catch (ErrnoException e) {
5196                    Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e);
5197                }
5198
5199                // If we have mismatched owners for the data path, we have a problem.
5200                if (currentUid != pkg.applicationInfo.uid) {
5201                    boolean recovered = false;
5202                    if (currentUid == 0) {
5203                        // The directory somehow became owned by root.  Wow.
5204                        // This is probably because the system was stopped while
5205                        // installd was in the middle of messing with its libs
5206                        // directory.  Ask installd to fix that.
5207                        int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid,
5208                                pkg.applicationInfo.uid);
5209                        if (ret >= 0) {
5210                            recovered = true;
5211                            String msg = "Package " + pkg.packageName
5212                                    + " unexpectedly changed to uid 0; recovered to " +
5213                                    + pkg.applicationInfo.uid;
5214                            reportSettingsProblem(Log.WARN, msg);
5215                        }
5216                    }
5217                    if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
5218                            || (scanMode&SCAN_BOOTING) != 0)) {
5219                        // If this is a system app, we can at least delete its
5220                        // current data so the application will still work.
5221                        int ret = removeDataDirsLI(pkgName);
5222                        if (ret >= 0) {
5223                            // TODO: Kill the processes first
5224                            // Old data gone!
5225                            String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
5226                                    ? "System package " : "Third party package ";
5227                            String msg = prefix + pkg.packageName
5228                                    + " has changed from uid: "
5229                                    + currentUid + " to "
5230                                    + pkg.applicationInfo.uid + "; old data erased";
5231                            reportSettingsProblem(Log.WARN, msg);
5232                            recovered = true;
5233
5234                            // And now re-install the app.
5235                            ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid,
5236                                                   pkg.applicationInfo.seinfo);
5237                            if (ret == -1) {
5238                                // Ack should not happen!
5239                                msg = prefix + pkg.packageName
5240                                        + " could not have data directory re-created after delete.";
5241                                reportSettingsProblem(Log.WARN, msg);
5242                                mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
5243                                return null;
5244                            }
5245                        }
5246                        if (!recovered) {
5247                            mHasSystemUidErrors = true;
5248                        }
5249                    } else if (!recovered) {
5250                        // If we allow this install to proceed, we will be broken.
5251                        // Abort, abort!
5252                        mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED;
5253                        return null;
5254                    }
5255                    if (!recovered) {
5256                        pkg.applicationInfo.dataDir = "/mismatched_uid/settings_"
5257                            + pkg.applicationInfo.uid + "/fs_"
5258                            + currentUid;
5259                        pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir;
5260                        String msg = "Package " + pkg.packageName
5261                                + " has mismatched uid: "
5262                                + currentUid + " on disk, "
5263                                + pkg.applicationInfo.uid + " in settings";
5264                        // writer
5265                        synchronized (mPackages) {
5266                            mSettings.mReadMessages.append(msg);
5267                            mSettings.mReadMessages.append('\n');
5268                            uidError = true;
5269                            if (!pkgSetting.uidError) {
5270                                reportSettingsProblem(Log.ERROR, msg);
5271                            }
5272                        }
5273                    }
5274                }
5275                pkg.applicationInfo.dataDir = dataPath.getPath();
5276                if (mShouldRestoreconData) {
5277                    Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued.");
5278                    mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo,
5279                                pkg.applicationInfo.uid);
5280                }
5281            } else {
5282                if (DEBUG_PACKAGE_SCANNING) {
5283                    if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5284                        Log.v(TAG, "Want this data dir: " + dataPath);
5285                }
5286                //invoke installer to do the actual installation
5287                int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid,
5288                                           pkg.applicationInfo.seinfo);
5289                if (ret < 0) {
5290                    // Error from installer
5291                    mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
5292                    return null;
5293                }
5294
5295                if (dataPath.exists()) {
5296                    pkg.applicationInfo.dataDir = dataPath.getPath();
5297                } else {
5298                    Slog.w(TAG, "Unable to create data directory: " + dataPath);
5299                    pkg.applicationInfo.dataDir = null;
5300                }
5301            }
5302
5303            /*
5304             * Set the data dir to the default "/data/data/<package name>/lib"
5305             * if we got here without anyone telling us different (e.g., apps
5306             * stored on SD card have their native libraries stored in the ASEC
5307             * container with the APK).
5308             *
5309             * This happens during an upgrade from a package settings file that
5310             * doesn't have a native library path attribute at all.
5311             */
5312            if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) {
5313                if (pkgSetting.nativeLibraryPathString == null) {
5314                    setInternalAppNativeLibraryPath(pkg, pkgSetting);
5315                } else {
5316                    pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString;
5317                }
5318            }
5319            pkgSetting.uidError = uidError;
5320        }
5321
5322        final String path = scanFile.getPath();
5323        /* Note: We don't want to unpack the native binaries for
5324         *        system applications, unless they have been updated
5325         *        (the binaries are already under /system/lib).
5326         *        Also, don't unpack libs for apps on the external card
5327         *        since they should have their libraries in the ASEC
5328         *        container already.
5329         *
5330         *        In other words, we're going to unpack the binaries
5331         *        only for non-system apps and system app upgrades.
5332         */
5333        if (pkg.applicationInfo.nativeLibraryDir != null) {
5334            // TODO: extend to extract native code from split APKs
5335            ApkHandle handle = null;
5336            try {
5337                handle = ApkHandle.create(scanFile.getPath());
5338                // Enable gross and lame hacks for apps that are built with old
5339                // SDK tools. We must scan their APKs for renderscript bitcode and
5340                // not launch them if it's present. Don't bother checking on devices
5341                // that don't have 64 bit support.
5342                String[] abiList = Build.SUPPORTED_ABIS;
5343                boolean hasLegacyRenderscriptBitcode = false;
5344                if (abiOverride != null) {
5345                    abiList = new String[] { abiOverride };
5346                } else if (Build.SUPPORTED_64_BIT_ABIS.length > 0 &&
5347                        NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
5348                    abiList = Build.SUPPORTED_32_BIT_ABIS;
5349                    hasLegacyRenderscriptBitcode = true;
5350                }
5351
5352                File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir);
5353                final String dataPathString = dataPath.getCanonicalPath();
5354
5355                if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) {
5356                    /*
5357                     * Upgrading from a previous version of the OS sometimes
5358                     * leaves native libraries in the /data/data/<app>/lib
5359                     * directory for system apps even when they shouldn't be.
5360                     * Recent changes in the JNI library search path
5361                     * necessitates we remove those to match previous behavior.
5362                     */
5363                    if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) {
5364                        Log.i(TAG, "removed obsolete native libraries for system package "
5365                                + path);
5366                    }
5367                    if (abiOverride != null || hasLegacyRenderscriptBitcode) {
5368                        pkg.applicationInfo.cpuAbi = abiList[0];
5369                        pkgSetting.cpuAbiString = abiList[0];
5370                    } else {
5371                        setInternalAppAbi(pkg, pkgSetting);
5372                    }
5373                } else {
5374                    if (!isForwardLocked(pkg) && !isExternal(pkg)) {
5375                        /*
5376                        * Update native library dir if it starts with
5377                        * /data/data
5378                        */
5379                        if (nativeLibraryDir.getPath().startsWith(dataPathString)) {
5380                            setInternalAppNativeLibraryPath(pkg, pkgSetting);
5381                            nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir);
5382                        }
5383
5384                        try {
5385                            int copyRet = copyNativeLibrariesForInternalApp(handle,
5386                                    nativeLibraryDir, abiList);
5387                            if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) {
5388                                Slog.e(TAG, "Unable to copy native libraries");
5389                                mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
5390                                return null;
5391                            }
5392
5393                            // We've successfully copied native libraries across, so we make a
5394                            // note of what ABI we're using
5395                            if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) {
5396                                pkg.applicationInfo.cpuAbi = abiList[copyRet];
5397                            } else if (abiOverride != null || hasLegacyRenderscriptBitcode) {
5398                                pkg.applicationInfo.cpuAbi = abiList[0];
5399                            } else {
5400                                pkg.applicationInfo.cpuAbi = null;
5401                            }
5402                        } catch (IOException e) {
5403                            Slog.e(TAG, "Unable to copy native libraries", e);
5404                            mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
5405                            return null;
5406                        }
5407                    } else {
5408                        // We don't have to copy the shared libraries if we're in the ASEC container
5409                        // but we still need to scan the file to figure out what ABI the app needs.
5410                        //
5411                        // TODO: This duplicates work done in the default container service. It's possible
5412                        // to clean this up but we'll need to change the interface between this service
5413                        // and IMediaContainerService (but doing so will spread this logic out, rather
5414                        // than centralizing it).
5415                        final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList);
5416                        if (abi >= 0) {
5417                            pkg.applicationInfo.cpuAbi = abiList[abi];
5418                        } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) {
5419                            // Note that (non upgraded) system apps will not have any native
5420                            // libraries bundled in their APK, but we're guaranteed not to be
5421                            // such an app at this point.
5422                            if (abiOverride != null || hasLegacyRenderscriptBitcode) {
5423                                pkg.applicationInfo.cpuAbi = abiList[0];
5424                            } else {
5425                                pkg.applicationInfo.cpuAbi = null;
5426                            }
5427                        } else {
5428                            mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
5429                            return null;
5430                        }
5431                    }
5432
5433                    if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path);
5434                    final int[] userIds = sUserManager.getUserIds();
5435                    synchronized (mInstallLock) {
5436                        for (int userId : userIds) {
5437                            if (mInstaller.linkNativeLibraryDirectory(pkg.packageName,
5438                                    pkg.applicationInfo.nativeLibraryDir, userId) < 0) {
5439                                Slog.w(TAG, "Failed linking native library dir (user=" + userId
5440                                        + ")");
5441                                mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
5442                                return null;
5443                            }
5444                        }
5445                    }
5446                }
5447
5448                pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi;
5449            } catch (IOException ioe) {
5450                Slog.e(TAG, "Unable to get canonical file " + ioe.toString());
5451            } finally {
5452                IoUtils.closeQuietly(handle);
5453            }
5454        }
5455
5456        if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) {
5457            // We don't do this here during boot because we can do it all
5458            // at once after scanning all existing packages.
5459            //
5460            // We also do this *before* we perform dexopt on this package, so that
5461            // we can avoid redundant dexopts, and also to make sure we've got the
5462            // code and package path correct.
5463            if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages,
5464                    pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) {
5465                mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE;
5466                return null;
5467            }
5468        }
5469
5470        if ((scanMode&SCAN_NO_DEX) == 0) {
5471            if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false)
5472                    == DEX_OPT_FAILED) {
5473                if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) {
5474                    removeDataDirsLI(pkg.packageName);
5475                }
5476
5477                mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT;
5478                return null;
5479            }
5480        }
5481
5482        if (mFactoryTest && pkg.requestedPermissions.contains(
5483                android.Manifest.permission.FACTORY_TEST)) {
5484            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST;
5485        }
5486
5487        ArrayList<PackageParser.Package> clientLibPkgs = null;
5488
5489        // writer
5490        synchronized (mPackages) {
5491            if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
5492                // Only system apps can add new shared libraries.
5493                if (pkg.libraryNames != null) {
5494                    for (int i=0; i<pkg.libraryNames.size(); i++) {
5495                        String name = pkg.libraryNames.get(i);
5496                        boolean allowed = false;
5497                        if (isUpdatedSystemApp(pkg)) {
5498                            // New library entries can only be added through the
5499                            // system image.  This is important to get rid of a lot
5500                            // of nasty edge cases: for example if we allowed a non-
5501                            // system update of the app to add a library, then uninstalling
5502                            // the update would make the library go away, and assumptions
5503                            // we made such as through app install filtering would now
5504                            // have allowed apps on the device which aren't compatible
5505                            // with it.  Better to just have the restriction here, be
5506                            // conservative, and create many fewer cases that can negatively
5507                            // impact the user experience.
5508                            final PackageSetting sysPs = mSettings
5509                                    .getDisabledSystemPkgLPr(pkg.packageName);
5510                            if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) {
5511                                for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) {
5512                                    if (name.equals(sysPs.pkg.libraryNames.get(j))) {
5513                                        allowed = true;
5514                                        allowed = true;
5515                                        break;
5516                                    }
5517                                }
5518                            }
5519                        } else {
5520                            allowed = true;
5521                        }
5522                        if (allowed) {
5523                            if (!mSharedLibraries.containsKey(name)) {
5524                                mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName));
5525                            } else if (!name.equals(pkg.packageName)) {
5526                                Slog.w(TAG, "Package " + pkg.packageName + " library "
5527                                        + name + " already exists; skipping");
5528                            }
5529                        } else {
5530                            Slog.w(TAG, "Package " + pkg.packageName + " declares lib "
5531                                    + name + " that is not declared on system image; skipping");
5532                        }
5533                    }
5534                    if ((scanMode&SCAN_BOOTING) == 0) {
5535                        // If we are not booting, we need to update any applications
5536                        // that are clients of our shared library.  If we are booting,
5537                        // this will all be done once the scan is complete.
5538                        clientLibPkgs = updateAllSharedLibrariesLPw(pkg);
5539                    }
5540                }
5541            }
5542        }
5543
5544        // We also need to dexopt any apps that are dependent on this library.  Note that
5545        // if these fail, we should abort the install since installing the library will
5546        // result in some apps being broken.
5547        if (clientLibPkgs != null) {
5548            if ((scanMode&SCAN_NO_DEX) == 0) {
5549                for (int i=0; i<clientLibPkgs.size(); i++) {
5550                    PackageParser.Package clientPkg = clientLibPkgs.get(i);
5551                    if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false)
5552                            == DEX_OPT_FAILED) {
5553                        if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) {
5554                            removeDataDirsLI(pkg.packageName);
5555                        }
5556
5557                        mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT;
5558                        return null;
5559                    }
5560                }
5561            }
5562        }
5563
5564        // Request the ActivityManager to kill the process(only for existing packages)
5565        // so that we do not end up in a confused state while the user is still using the older
5566        // version of the application while the new one gets installed.
5567        if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
5568            // If the package lives in an asec, tell everyone that the container is going
5569            // away so they can clean up any references to its resources (which would prevent
5570            // vold from being able to unmount the asec)
5571            if (isForwardLocked(pkg) || isExternal(pkg)) {
5572                if (DEBUG_INSTALL) {
5573                    Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE");
5574                }
5575                final int[] uidArray = new int[] { pkg.applicationInfo.uid };
5576                final ArrayList<String> pkgList = new ArrayList<String>(1);
5577                pkgList.add(pkg.applicationInfo.packageName);
5578                sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null);
5579            }
5580
5581            // Post the request that it be killed now that the going-away broadcast is en route
5582            killApplication(pkg.applicationInfo.packageName,
5583                        pkg.applicationInfo.uid, "update pkg");
5584        }
5585
5586        // Also need to kill any apps that are dependent on the library.
5587        if (clientLibPkgs != null) {
5588            for (int i=0; i<clientLibPkgs.size(); i++) {
5589                PackageParser.Package clientPkg = clientLibPkgs.get(i);
5590                killApplication(clientPkg.applicationInfo.packageName,
5591                        clientPkg.applicationInfo.uid, "update lib");
5592            }
5593        }
5594
5595        // writer
5596        synchronized (mPackages) {
5597            // We don't expect installation to fail beyond this point,
5598            if ((scanMode&SCAN_MONITOR) != 0) {
5599                mAppDirs.put(pkg.codePath, pkg);
5600            }
5601            // Add the new setting to mSettings
5602            mSettings.insertPackageSettingLPw(pkgSetting, pkg);
5603            // Add the new setting to mPackages
5604            mPackages.put(pkg.applicationInfo.packageName, pkg);
5605            // Make sure we don't accidentally delete its data.
5606            final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator();
5607            while (iter.hasNext()) {
5608                PackageCleanItem item = iter.next();
5609                if (pkgName.equals(item.packageName)) {
5610                    iter.remove();
5611                }
5612            }
5613
5614            // Take care of first install / last update times.
5615            if (currentTime != 0) {
5616                if (pkgSetting.firstInstallTime == 0) {
5617                    pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime;
5618                } else if ((scanMode&SCAN_UPDATE_TIME) != 0) {
5619                    pkgSetting.lastUpdateTime = currentTime;
5620                }
5621            } else if (pkgSetting.firstInstallTime == 0) {
5622                // We need *something*.  Take time time stamp of the file.
5623                pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime;
5624            } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) {
5625                if (scanFileTime != pkgSetting.timeStamp) {
5626                    // A package on the system image has changed; consider this
5627                    // to be an update.
5628                    pkgSetting.lastUpdateTime = scanFileTime;
5629                }
5630            }
5631
5632            // Add the package's KeySets to the global KeySetManager
5633            KeySetManager ksm = mSettings.mKeySetManager;
5634            try {
5635                ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys);
5636                if (pkg.mKeySetMapping != null) {
5637                    for (Map.Entry<String, ArraySet<PublicKey>> entry :
5638                            pkg.mKeySetMapping.entrySet()) {
5639                        if (entry.getValue() != null) {
5640                            ksm.addDefinedKeySetToPackage(pkg.packageName,
5641                                entry.getValue(), entry.getKey());
5642                        }
5643                    }
5644                }
5645            } catch (NullPointerException e) {
5646                Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e);
5647            } catch (IllegalArgumentException e) {
5648                Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e);
5649            }
5650
5651            int N = pkg.providers.size();
5652            StringBuilder r = null;
5653            int i;
5654            for (i=0; i<N; i++) {
5655                PackageParser.Provider p = pkg.providers.get(i);
5656                p.info.processName = fixProcessName(pkg.applicationInfo.processName,
5657                        p.info.processName, pkg.applicationInfo.uid);
5658                mProviders.addProvider(p);
5659                p.syncable = p.info.isSyncable;
5660                if (p.info.authority != null) {
5661                    String names[] = p.info.authority.split(";");
5662                    p.info.authority = null;
5663                    for (int j = 0; j < names.length; j++) {
5664                        if (j == 1 && p.syncable) {
5665                            // We only want the first authority for a provider to possibly be
5666                            // syncable, so if we already added this provider using a different
5667                            // authority clear the syncable flag. We copy the provider before
5668                            // changing it because the mProviders object contains a reference
5669                            // to a provider that we don't want to change.
5670                            // Only do this for the second authority since the resulting provider
5671                            // object can be the same for all future authorities for this provider.
5672                            p = new PackageParser.Provider(p);
5673                            p.syncable = false;
5674                        }
5675                        if (!mProvidersByAuthority.containsKey(names[j])) {
5676                            mProvidersByAuthority.put(names[j], p);
5677                            if (p.info.authority == null) {
5678                                p.info.authority = names[j];
5679                            } else {
5680                                p.info.authority = p.info.authority + ";" + names[j];
5681                            }
5682                            if (DEBUG_PACKAGE_SCANNING) {
5683                                if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
5684                                    Log.d(TAG, "Registered content provider: " + names[j]
5685                                            + ", className = " + p.info.name + ", isSyncable = "
5686                                            + p.info.isSyncable);
5687                            }
5688                        } else {
5689                            PackageParser.Provider other = mProvidersByAuthority.get(names[j]);
5690                            Slog.w(TAG, "Skipping provider name " + names[j] +
5691                                    " (in package " + pkg.applicationInfo.packageName +
5692                                    "): name already used by "
5693                                    + ((other != null && other.getComponentName() != null)
5694                                            ? other.getComponentName().getPackageName() : "?"));
5695                        }
5696                    }
5697                }
5698                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5699                    if (r == null) {
5700                        r = new StringBuilder(256);
5701                    } else {
5702                        r.append(' ');
5703                    }
5704                    r.append(p.info.name);
5705                }
5706            }
5707            if (r != null) {
5708                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Providers: " + r);
5709            }
5710
5711            N = pkg.services.size();
5712            r = null;
5713            for (i=0; i<N; i++) {
5714                PackageParser.Service s = pkg.services.get(i);
5715                s.info.processName = fixProcessName(pkg.applicationInfo.processName,
5716                        s.info.processName, pkg.applicationInfo.uid);
5717                mServices.addService(s);
5718                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5719                    if (r == null) {
5720                        r = new StringBuilder(256);
5721                    } else {
5722                        r.append(' ');
5723                    }
5724                    r.append(s.info.name);
5725                }
5726            }
5727            if (r != null) {
5728                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Services: " + r);
5729            }
5730
5731            N = pkg.receivers.size();
5732            r = null;
5733            for (i=0; i<N; i++) {
5734                PackageParser.Activity a = pkg.receivers.get(i);
5735                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
5736                        a.info.processName, pkg.applicationInfo.uid);
5737                mReceivers.addActivity(a, "receiver");
5738                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5739                    if (r == null) {
5740                        r = new StringBuilder(256);
5741                    } else {
5742                        r.append(' ');
5743                    }
5744                    r.append(a.info.name);
5745                }
5746            }
5747            if (r != null) {
5748                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Receivers: " + r);
5749            }
5750
5751            N = pkg.activities.size();
5752            r = null;
5753            for (i=0; i<N; i++) {
5754                PackageParser.Activity a = pkg.activities.get(i);
5755                a.info.processName = fixProcessName(pkg.applicationInfo.processName,
5756                        a.info.processName, pkg.applicationInfo.uid);
5757                mActivities.addActivity(a, "activity");
5758                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5759                    if (r == null) {
5760                        r = new StringBuilder(256);
5761                    } else {
5762                        r.append(' ');
5763                    }
5764                    r.append(a.info.name);
5765                }
5766            }
5767            if (r != null) {
5768                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Activities: " + r);
5769            }
5770
5771            N = pkg.permissionGroups.size();
5772            r = null;
5773            for (i=0; i<N; i++) {
5774                PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i);
5775                PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name);
5776                if (cur == null) {
5777                    mPermissionGroups.put(pg.info.name, pg);
5778                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5779                        if (r == null) {
5780                            r = new StringBuilder(256);
5781                        } else {
5782                            r.append(' ');
5783                        }
5784                        r.append(pg.info.name);
5785                    }
5786                } else {
5787                    Slog.w(TAG, "Permission group " + pg.info.name + " from package "
5788                            + pg.info.packageName + " ignored: original from "
5789                            + cur.info.packageName);
5790                    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5791                        if (r == null) {
5792                            r = new StringBuilder(256);
5793                        } else {
5794                            r.append(' ');
5795                        }
5796                        r.append("DUP:");
5797                        r.append(pg.info.name);
5798                    }
5799                }
5800            }
5801            if (r != null) {
5802                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permission Groups: " + r);
5803            }
5804
5805            N = pkg.permissions.size();
5806            r = null;
5807            for (i=0; i<N; i++) {
5808                PackageParser.Permission p = pkg.permissions.get(i);
5809                HashMap<String, BasePermission> permissionMap =
5810                        p.tree ? mSettings.mPermissionTrees
5811                        : mSettings.mPermissions;
5812                p.group = mPermissionGroups.get(p.info.group);
5813                if (p.info.group == null || p.group != null) {
5814                    BasePermission bp = permissionMap.get(p.info.name);
5815                    if (bp == null) {
5816                        bp = new BasePermission(p.info.name, p.info.packageName,
5817                                BasePermission.TYPE_NORMAL);
5818                        permissionMap.put(p.info.name, bp);
5819                    }
5820                    if (bp.perm == null) {
5821                        if (bp.sourcePackage != null
5822                                && !bp.sourcePackage.equals(p.info.packageName)) {
5823                            // If this is a permission that was formerly defined by a non-system
5824                            // app, but is now defined by a system app (following an upgrade),
5825                            // discard the previous declaration and consider the system's to be
5826                            // canonical.
5827                            if (isSystemApp(p.owner)) {
5828                                String msg = "New decl " + p.owner + " of permission  "
5829                                        + p.info.name + " is system";
5830                                reportSettingsProblem(Log.WARN, msg);
5831                                bp.sourcePackage = null;
5832                            }
5833                        }
5834                        if (bp.sourcePackage == null
5835                                || bp.sourcePackage.equals(p.info.packageName)) {
5836                            BasePermission tree = findPermissionTreeLP(p.info.name);
5837                            if (tree == null
5838                                    || tree.sourcePackage.equals(p.info.packageName)) {
5839                                bp.packageSetting = pkgSetting;
5840                                bp.perm = p;
5841                                bp.uid = pkg.applicationInfo.uid;
5842                                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5843                                    if (r == null) {
5844                                        r = new StringBuilder(256);
5845                                    } else {
5846                                        r.append(' ');
5847                                    }
5848                                    r.append(p.info.name);
5849                                }
5850                            } else {
5851                                Slog.w(TAG, "Permission " + p.info.name + " from package "
5852                                        + p.info.packageName + " ignored: base tree "
5853                                        + tree.name + " is from package "
5854                                        + tree.sourcePackage);
5855                            }
5856                        } else {
5857                            Slog.w(TAG, "Permission " + p.info.name + " from package "
5858                                    + p.info.packageName + " ignored: original from "
5859                                    + bp.sourcePackage);
5860                        }
5861                    } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5862                        if (r == null) {
5863                            r = new StringBuilder(256);
5864                        } else {
5865                            r.append(' ');
5866                        }
5867                        r.append("DUP:");
5868                        r.append(p.info.name);
5869                    }
5870                    if (bp.perm == p) {
5871                        bp.protectionLevel = p.info.protectionLevel;
5872                    }
5873                } else {
5874                    Slog.w(TAG, "Permission " + p.info.name + " from package "
5875                            + p.info.packageName + " ignored: no group "
5876                            + p.group);
5877                }
5878            }
5879            if (r != null) {
5880                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Permissions: " + r);
5881            }
5882
5883            N = pkg.instrumentation.size();
5884            r = null;
5885            for (i=0; i<N; i++) {
5886                PackageParser.Instrumentation a = pkg.instrumentation.get(i);
5887                a.info.packageName = pkg.applicationInfo.packageName;
5888                a.info.sourceDir = pkg.applicationInfo.sourceDir;
5889                a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir;
5890                a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs;
5891                a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs;
5892                a.info.dataDir = pkg.applicationInfo.dataDir;
5893                a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir;
5894                mInstrumentation.put(a.getComponentName(), a);
5895                if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
5896                    if (r == null) {
5897                        r = new StringBuilder(256);
5898                    } else {
5899                        r.append(' ');
5900                    }
5901                    r.append(a.info.name);
5902                }
5903            }
5904            if (r != null) {
5905                if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, "  Instrumentation: " + r);
5906            }
5907
5908            if (pkg.protectedBroadcasts != null) {
5909                N = pkg.protectedBroadcasts.size();
5910                for (i=0; i<N; i++) {
5911                    mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i));
5912                }
5913            }
5914
5915            pkgSetting.setTimeStamp(scanFileTime);
5916
5917            // Create idmap files for pairs of (packages, overlay packages).
5918            // Note: "android", ie framework-res.apk, is handled by native layers.
5919            if (pkg.mOverlayTarget != null) {
5920                // This is an overlay package.
5921                if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) {
5922                    if (!mOverlays.containsKey(pkg.mOverlayTarget)) {
5923                        mOverlays.put(pkg.mOverlayTarget,
5924                                new HashMap<String, PackageParser.Package>());
5925                    }
5926                    HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget);
5927                    map.put(pkg.packageName, pkg);
5928                    PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget);
5929                    if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) {
5930                        mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE;
5931                        return null;
5932                    }
5933                }
5934            } else if (mOverlays.containsKey(pkg.packageName) &&
5935                    !pkg.packageName.equals("android")) {
5936                // This is a regular package, with one or more known overlay packages.
5937                createIdmapsForPackageLI(pkg);
5938            }
5939        }
5940
5941        return pkg;
5942    }
5943
5944    /**
5945     * Adjusts ABIs for a set of packages belonging to a shared user so that they all match.
5946     * i.e, so that all packages can be run inside a single process if required.
5947     *
5948     * Optionally, callers can pass in a parsed package via {@code newPackage} in which case
5949     * this function will either try and make the ABI for all packages in {@code packagesForUser}
5950     * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match
5951     * the ABI selected for {@code packagesForUser}. This variant is used when installing or
5952     * updating a package that belongs to a shared user.
5953     */
5954    private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser,
5955            PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) {
5956        String requiredInstructionSet = null;
5957        if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) {
5958            requiredInstructionSet = VMRuntime.getInstructionSet(
5959                     scannedPackage.applicationInfo.cpuAbi);
5960        }
5961
5962        PackageSetting requirer = null;
5963        for (PackageSetting ps : packagesForUser) {
5964            // If packagesForUser contains scannedPackage, we skip it. This will happen
5965            // when scannedPackage is an update of an existing package. Without this check,
5966            // we will never be able to change the ABI of any package belonging to a shared
5967            // user, even if it's compatible with other packages.
5968            if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) {
5969                if (ps.cpuAbiString == null) {
5970                    continue;
5971                }
5972
5973                final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString);
5974                if (requiredInstructionSet != null) {
5975                    if (!instructionSet.equals(requiredInstructionSet)) {
5976                        // We have a mismatch between instruction sets (say arm vs arm64).
5977                        // bail out.
5978                        String errorMessage = "Instruction set mismatch, "
5979                                + ((requirer == null) ? "[caller]" : requirer)
5980                                + " requires " + requiredInstructionSet + " whereas " + ps
5981                                + " requires " + instructionSet;
5982                        Slog.e(TAG, errorMessage);
5983
5984                        reportSettingsProblem(Log.WARN, errorMessage);
5985                        // Give up, don't bother making any other changes to the package settings.
5986                        return false;
5987                    }
5988                } else {
5989                    requiredInstructionSet = instructionSet;
5990                    requirer = ps;
5991                }
5992            }
5993        }
5994
5995        if (requiredInstructionSet != null) {
5996            String adjustedAbi;
5997            if (requirer != null) {
5998                // requirer != null implies that either scannedPackage was null or that scannedPackage
5999                // did not require an ABI, in which case we have to adjust scannedPackage to match
6000                // the ABI of the set (which is the same as requirer's ABI)
6001                adjustedAbi = requirer.cpuAbiString;
6002                if (scannedPackage != null) {
6003                    scannedPackage.applicationInfo.cpuAbi = adjustedAbi;
6004                }
6005            } else {
6006                // requirer == null implies that we're updating all ABIs in the set to
6007                // match scannedPackage.
6008                adjustedAbi =  scannedPackage.applicationInfo.cpuAbi;
6009            }
6010
6011            for (PackageSetting ps : packagesForUser) {
6012                if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) {
6013                    if (ps.cpuAbiString != null) {
6014                        continue;
6015                    }
6016
6017                    ps.cpuAbiString = adjustedAbi;
6018                    if (ps.pkg != null && ps.pkg.applicationInfo != null) {
6019                        ps.pkg.applicationInfo.cpuAbi = adjustedAbi;
6020                        Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi);
6021
6022                        if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) {
6023                            ps.cpuAbiString = null;
6024                            ps.pkg.applicationInfo.cpuAbi = null;
6025                            return false;
6026                        } else {
6027                            mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet());
6028                        }
6029                    }
6030                }
6031            }
6032        }
6033
6034        return true;
6035    }
6036
6037    private void setUpCustomResolverActivity(PackageParser.Package pkg) {
6038        synchronized (mPackages) {
6039            mResolverReplaced = true;
6040            // Set up information for custom user intent resolution activity.
6041            mResolveActivity.applicationInfo = pkg.applicationInfo;
6042            mResolveActivity.name = mCustomResolverComponentName.getClassName();
6043            mResolveActivity.packageName = pkg.applicationInfo.packageName;
6044            mResolveActivity.processName = null;
6045            mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
6046            mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS |
6047                    ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS;
6048            mResolveActivity.theme = 0;
6049            mResolveActivity.exported = true;
6050            mResolveActivity.enabled = true;
6051            mResolveInfo.activityInfo = mResolveActivity;
6052            mResolveInfo.priority = 0;
6053            mResolveInfo.preferredOrder = 0;
6054            mResolveInfo.match = 0;
6055            mResolveComponentName = mCustomResolverComponentName;
6056            Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " +
6057                    mResolveComponentName);
6058        }
6059    }
6060
6061    private String calculateApkRoot(final String codePathString) {
6062        final File codePath = new File(codePathString);
6063        final File codeRoot;
6064        if (FileUtils.contains(Environment.getRootDirectory(), codePath)) {
6065            codeRoot = Environment.getRootDirectory();
6066        } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) {
6067            codeRoot = Environment.getOemDirectory();
6068        } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) {
6069            codeRoot = Environment.getVendorDirectory();
6070        } else {
6071            // Unrecognized code path; take its top real segment as the apk root:
6072            // e.g. /something/app/blah.apk => /something
6073            try {
6074                File f = codePath.getCanonicalFile();
6075                File parent = f.getParentFile();    // non-null because codePath is a file
6076                File tmp;
6077                while ((tmp = parent.getParentFile()) != null) {
6078                    f = parent;
6079                    parent = tmp;
6080                }
6081                codeRoot = f;
6082                Slog.w(TAG, "Unrecognized code path "
6083                        + codePath + " - using " + codeRoot);
6084            } catch (IOException e) {
6085                // Can't canonicalize the lib path -- shenanigans?
6086                Slog.w(TAG, "Can't canonicalize code path " + codePath);
6087                return Environment.getRootDirectory().getPath();
6088            }
6089        }
6090        return codeRoot.getPath();
6091    }
6092
6093    // This is the initial scan-time determination of how to handle a given
6094    // package for purposes of native library location.
6095    private void setInternalAppNativeLibraryPath(PackageParser.Package pkg,
6096            PackageSetting pkgSetting) {
6097        // "bundled" here means system-installed with no overriding update
6098        final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg);
6099        final String apkName = getApkName(pkg.applicationInfo.sourceDir);
6100        final File libDir;
6101        if (bundledApk) {
6102            // If "/system/lib64/apkname" exists, assume that is the per-package
6103            // native library directory to use; otherwise use "/system/lib/apkname".
6104            String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir);
6105            File lib64 = new File(apkRoot, LIB64_DIR_NAME);
6106            File packLib64 = new File(lib64, apkName);
6107            libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME);
6108        } else {
6109            libDir = mAppLibInstallDir;
6110        }
6111        final String nativeLibraryPath = (new File(libDir, apkName)).getPath();
6112        pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath;
6113        // pkgSetting might be null during rescan following uninstall of updates
6114        // to a bundled app, so accommodate that possibility.  The settings in
6115        // that case will be established later from the parsed package.
6116        if (pkgSetting != null) {
6117            pkgSetting.nativeLibraryPathString = nativeLibraryPath;
6118        }
6119    }
6120
6121    // Deduces the required ABI of an upgraded system app.
6122    private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) {
6123        final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir);
6124        final String apkName = getApkName(pkg.applicationInfo.sourceDir);
6125
6126        // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>"
6127        // or similar.
6128        final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath());
6129        final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath());
6130
6131        // Assume that the bundled native libraries always correspond to the
6132        // most preferred 32 or 64 bit ABI.
6133        if (lib64.exists()) {
6134            pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0];
6135            pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0];
6136        } else if (lib.exists()) {
6137            pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0];
6138            pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0];
6139        } else {
6140            // This is the case where the app has no native code.
6141            pkg.applicationInfo.cpuAbi = null;
6142            pkgSetting.cpuAbiString = null;
6143        }
6144    }
6145
6146    private static int copyNativeLibrariesForInternalApp(ApkHandle handle,
6147            final File nativeLibraryDir, String[] abiList) throws IOException {
6148        if (!nativeLibraryDir.isDirectory()) {
6149            nativeLibraryDir.delete();
6150
6151            if (!nativeLibraryDir.mkdir()) {
6152                throw new IOException("Cannot create " + nativeLibraryDir.getPath());
6153            }
6154
6155            try {
6156                Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
6157            } catch (ErrnoException e) {
6158                throw new IOException("Cannot chmod native library directory "
6159                        + nativeLibraryDir.getPath(), e);
6160            }
6161        } else if (!SELinux.restorecon(nativeLibraryDir)) {
6162            throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath());
6163        }
6164
6165        /*
6166         * If this is an internal application or our nativeLibraryPath points to
6167         * the app-lib directory, unpack the libraries if necessary.
6168         */
6169        int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList);
6170        if (abi >= 0) {
6171            int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle,
6172                    nativeLibraryDir, Build.SUPPORTED_ABIS[abi]);
6173            if (copyRet != PackageManager.INSTALL_SUCCEEDED) {
6174                return copyRet;
6175            }
6176        }
6177
6178        return abi;
6179    }
6180
6181    private void killApplication(String pkgName, int appId, String reason) {
6182        // Request the ActivityManager to kill the process(only for existing packages)
6183        // so that we do not end up in a confused state while the user is still using the older
6184        // version of the application while the new one gets installed.
6185        IActivityManager am = ActivityManagerNative.getDefault();
6186        if (am != null) {
6187            try {
6188                am.killApplicationWithAppId(pkgName, appId, reason);
6189            } catch (RemoteException e) {
6190            }
6191        }
6192    }
6193
6194    void removePackageLI(PackageSetting ps, boolean chatty) {
6195        if (DEBUG_INSTALL) {
6196            if (chatty)
6197                Log.d(TAG, "Removing package " + ps.name);
6198        }
6199
6200        // writer
6201        synchronized (mPackages) {
6202            mPackages.remove(ps.name);
6203            if (ps.codePathString != null) {
6204                mAppDirs.remove(ps.codePathString);
6205            }
6206
6207            final PackageParser.Package pkg = ps.pkg;
6208            if (pkg != null) {
6209                cleanPackageDataStructuresLILPw(pkg, chatty);
6210            }
6211        }
6212    }
6213
6214    void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) {
6215        if (DEBUG_INSTALL) {
6216            if (chatty)
6217                Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName);
6218        }
6219
6220        // writer
6221        synchronized (mPackages) {
6222            mPackages.remove(pkg.applicationInfo.packageName);
6223            if (pkg.codePath != null) {
6224                mAppDirs.remove(pkg.codePath);
6225            }
6226            cleanPackageDataStructuresLILPw(pkg, chatty);
6227        }
6228    }
6229
6230    void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) {
6231        int N = pkg.providers.size();
6232        StringBuilder r = null;
6233        int i;
6234        for (i=0; i<N; i++) {
6235            PackageParser.Provider p = pkg.providers.get(i);
6236            mProviders.removeProvider(p);
6237            if (p.info.authority == null) {
6238
6239                /* There was another ContentProvider with this authority when
6240                 * this app was installed so this authority is null,
6241                 * Ignore it as we don't have to unregister the provider.
6242                 */
6243                continue;
6244            }
6245            String names[] = p.info.authority.split(";");
6246            for (int j = 0; j < names.length; j++) {
6247                if (mProvidersByAuthority.get(names[j]) == p) {
6248                    mProvidersByAuthority.remove(names[j]);
6249                    if (DEBUG_REMOVE) {
6250                        if (chatty)
6251                            Log.d(TAG, "Unregistered content provider: " + names[j]
6252                                    + ", className = " + p.info.name + ", isSyncable = "
6253                                    + p.info.isSyncable);
6254                    }
6255                }
6256            }
6257            if (DEBUG_REMOVE && chatty) {
6258                if (r == null) {
6259                    r = new StringBuilder(256);
6260                } else {
6261                    r.append(' ');
6262                }
6263                r.append(p.info.name);
6264            }
6265        }
6266        if (r != null) {
6267            if (DEBUG_REMOVE) Log.d(TAG, "  Providers: " + r);
6268        }
6269
6270        N = pkg.services.size();
6271        r = null;
6272        for (i=0; i<N; i++) {
6273            PackageParser.Service s = pkg.services.get(i);
6274            mServices.removeService(s);
6275            if (chatty) {
6276                if (r == null) {
6277                    r = new StringBuilder(256);
6278                } else {
6279                    r.append(' ');
6280                }
6281                r.append(s.info.name);
6282            }
6283        }
6284        if (r != null) {
6285            if (DEBUG_REMOVE) Log.d(TAG, "  Services: " + r);
6286        }
6287
6288        N = pkg.receivers.size();
6289        r = null;
6290        for (i=0; i<N; i++) {
6291            PackageParser.Activity a = pkg.receivers.get(i);
6292            mReceivers.removeActivity(a, "receiver");
6293            if (DEBUG_REMOVE && chatty) {
6294                if (r == null) {
6295                    r = new StringBuilder(256);
6296                } else {
6297                    r.append(' ');
6298                }
6299                r.append(a.info.name);
6300            }
6301        }
6302        if (r != null) {
6303            if (DEBUG_REMOVE) Log.d(TAG, "  Receivers: " + r);
6304        }
6305
6306        N = pkg.activities.size();
6307        r = null;
6308        for (i=0; i<N; i++) {
6309            PackageParser.Activity a = pkg.activities.get(i);
6310            mActivities.removeActivity(a, "activity");
6311            if (DEBUG_REMOVE && chatty) {
6312                if (r == null) {
6313                    r = new StringBuilder(256);
6314                } else {
6315                    r.append(' ');
6316                }
6317                r.append(a.info.name);
6318            }
6319        }
6320        if (r != null) {
6321            if (DEBUG_REMOVE) Log.d(TAG, "  Activities: " + r);
6322        }
6323
6324        N = pkg.permissions.size();
6325        r = null;
6326        for (i=0; i<N; i++) {
6327            PackageParser.Permission p = pkg.permissions.get(i);
6328            BasePermission bp = mSettings.mPermissions.get(p.info.name);
6329            if (bp == null) {
6330                bp = mSettings.mPermissionTrees.get(p.info.name);
6331            }
6332            if (bp != null && bp.perm == p) {
6333                bp.perm = null;
6334                if (DEBUG_REMOVE && chatty) {
6335                    if (r == null) {
6336                        r = new StringBuilder(256);
6337                    } else {
6338                        r.append(' ');
6339                    }
6340                    r.append(p.info.name);
6341                }
6342            }
6343        }
6344        if (r != null) {
6345            if (DEBUG_REMOVE) Log.d(TAG, "  Permissions: " + r);
6346        }
6347
6348        N = pkg.instrumentation.size();
6349        r = null;
6350        for (i=0; i<N; i++) {
6351            PackageParser.Instrumentation a = pkg.instrumentation.get(i);
6352            mInstrumentation.remove(a.getComponentName());
6353            if (DEBUG_REMOVE && chatty) {
6354                if (r == null) {
6355                    r = new StringBuilder(256);
6356                } else {
6357                    r.append(' ');
6358                }
6359                r.append(a.info.name);
6360            }
6361        }
6362        if (r != null) {
6363            if (DEBUG_REMOVE) Log.d(TAG, "  Instrumentation: " + r);
6364        }
6365
6366        r = null;
6367        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
6368            // Only system apps can hold shared libraries.
6369            if (pkg.libraryNames != null) {
6370                for (i=0; i<pkg.libraryNames.size(); i++) {
6371                    String name = pkg.libraryNames.get(i);
6372                    SharedLibraryEntry cur = mSharedLibraries.get(name);
6373                    if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) {
6374                        mSharedLibraries.remove(name);
6375                        if (DEBUG_REMOVE && chatty) {
6376                            if (r == null) {
6377                                r = new StringBuilder(256);
6378                            } else {
6379                                r.append(' ');
6380                            }
6381                            r.append(name);
6382                        }
6383                    }
6384                }
6385            }
6386        }
6387        if (r != null) {
6388            if (DEBUG_REMOVE) Log.d(TAG, "  Libraries: " + r);
6389        }
6390    }
6391
6392    private static final boolean isPackageFilename(String name) {
6393        return name != null && name.endsWith(".apk");
6394    }
6395
6396    private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) {
6397        for (int i=pkgInfo.permissions.size()-1; i>=0; i--) {
6398            if (pkgInfo.permissions.get(i).info.name.equals(perm)) {
6399                return true;
6400            }
6401        }
6402        return false;
6403    }
6404
6405    static final int UPDATE_PERMISSIONS_ALL = 1<<0;
6406    static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1;
6407    static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2;
6408
6409    private void updatePermissionsLPw(String changingPkg,
6410            PackageParser.Package pkgInfo, int flags) {
6411        // Make sure there are no dangling permission trees.
6412        Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator();
6413        while (it.hasNext()) {
6414            final BasePermission bp = it.next();
6415            if (bp.packageSetting == null) {
6416                // We may not yet have parsed the package, so just see if
6417                // we still know about its settings.
6418                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
6419            }
6420            if (bp.packageSetting == null) {
6421                Slog.w(TAG, "Removing dangling permission tree: " + bp.name
6422                        + " from package " + bp.sourcePackage);
6423                it.remove();
6424            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
6425                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
6426                    Slog.i(TAG, "Removing old permission tree: " + bp.name
6427                            + " from package " + bp.sourcePackage);
6428                    flags |= UPDATE_PERMISSIONS_ALL;
6429                    it.remove();
6430                }
6431            }
6432        }
6433
6434        // Make sure all dynamic permissions have been assigned to a package,
6435        // and make sure there are no dangling permissions.
6436        it = mSettings.mPermissions.values().iterator();
6437        while (it.hasNext()) {
6438            final BasePermission bp = it.next();
6439            if (bp.type == BasePermission.TYPE_DYNAMIC) {
6440                if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name="
6441                        + bp.name + " pkg=" + bp.sourcePackage
6442                        + " info=" + bp.pendingInfo);
6443                if (bp.packageSetting == null && bp.pendingInfo != null) {
6444                    final BasePermission tree = findPermissionTreeLP(bp.name);
6445                    if (tree != null && tree.perm != null) {
6446                        bp.packageSetting = tree.packageSetting;
6447                        bp.perm = new PackageParser.Permission(tree.perm.owner,
6448                                new PermissionInfo(bp.pendingInfo));
6449                        bp.perm.info.packageName = tree.perm.info.packageName;
6450                        bp.perm.info.name = bp.name;
6451                        bp.uid = tree.uid;
6452                    }
6453                }
6454            }
6455            if (bp.packageSetting == null) {
6456                // We may not yet have parsed the package, so just see if
6457                // we still know about its settings.
6458                bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
6459            }
6460            if (bp.packageSetting == null) {
6461                Slog.w(TAG, "Removing dangling permission: " + bp.name
6462                        + " from package " + bp.sourcePackage);
6463                it.remove();
6464            } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
6465                if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
6466                    Slog.i(TAG, "Removing old permission: " + bp.name
6467                            + " from package " + bp.sourcePackage);
6468                    flags |= UPDATE_PERMISSIONS_ALL;
6469                    it.remove();
6470                }
6471            }
6472        }
6473
6474        // Now update the permissions for all packages, in particular
6475        // replace the granted permissions of the system packages.
6476        if ((flags&UPDATE_PERMISSIONS_ALL) != 0) {
6477            for (PackageParser.Package pkg : mPackages.values()) {
6478                if (pkg != pkgInfo) {
6479                    grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0);
6480                }
6481            }
6482        }
6483
6484        if (pkgInfo != null) {
6485            grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0);
6486        }
6487    }
6488
6489    private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) {
6490        final PackageSetting ps = (PackageSetting) pkg.mExtras;
6491        if (ps == null) {
6492            return;
6493        }
6494        final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
6495        HashSet<String> origPermissions = gp.grantedPermissions;
6496        boolean changedPermission = false;
6497
6498        if (replace) {
6499            ps.permissionsFixed = false;
6500            if (gp == ps) {
6501                origPermissions = new HashSet<String>(gp.grantedPermissions);
6502                gp.grantedPermissions.clear();
6503                gp.gids = mGlobalGids;
6504            }
6505        }
6506
6507        if (gp.gids == null) {
6508            gp.gids = mGlobalGids;
6509        }
6510
6511        final int N = pkg.requestedPermissions.size();
6512        for (int i=0; i<N; i++) {
6513            final String name = pkg.requestedPermissions.get(i);
6514            final boolean required = pkg.requestedPermissionsRequired.get(i);
6515            final BasePermission bp = mSettings.mPermissions.get(name);
6516            if (DEBUG_INSTALL) {
6517                if (gp != ps) {
6518                    Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp);
6519                }
6520            }
6521
6522            if (bp == null || bp.packageSetting == null) {
6523                Slog.w(TAG, "Unknown permission " + name
6524                        + " in package " + pkg.packageName);
6525                continue;
6526            }
6527
6528            final String perm = bp.name;
6529            boolean allowed;
6530            boolean allowedSig = false;
6531            final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE;
6532            if (level == PermissionInfo.PROTECTION_NORMAL
6533                    || level == PermissionInfo.PROTECTION_DANGEROUS) {
6534                // We grant a normal or dangerous permission if any of the following
6535                // are true:
6536                // 1) The permission is required
6537                // 2) The permission is optional, but was granted in the past
6538                // 3) The permission is optional, but was requested by an
6539                //    app in /system (not /data)
6540                //
6541                // Otherwise, reject the permission.
6542                allowed = (required || origPermissions.contains(perm)
6543                        || (isSystemApp(ps) && !isUpdatedSystemApp(ps)));
6544            } else if (bp.packageSetting == null) {
6545                // This permission is invalid; skip it.
6546                allowed = false;
6547            } else if (level == PermissionInfo.PROTECTION_SIGNATURE) {
6548                allowed = grantSignaturePermission(perm, pkg, bp, origPermissions);
6549                if (allowed) {
6550                    allowedSig = true;
6551                }
6552            } else {
6553                allowed = false;
6554            }
6555            if (DEBUG_INSTALL) {
6556                if (gp != ps) {
6557                    Log.i(TAG, "Package " + pkg.packageName + " granting " + perm);
6558                }
6559            }
6560            if (allowed) {
6561                if (!isSystemApp(ps) && ps.permissionsFixed) {
6562                    // If this is an existing, non-system package, then
6563                    // we can't add any new permissions to it.
6564                    if (!allowedSig && !gp.grantedPermissions.contains(perm)) {
6565                        // Except...  if this is a permission that was added
6566                        // to the platform (note: need to only do this when
6567                        // updating the platform).
6568                        allowed = isNewPlatformPermissionForPackage(perm, pkg);
6569                    }
6570                }
6571                if (allowed) {
6572                    if (!gp.grantedPermissions.contains(perm)) {
6573                        changedPermission = true;
6574                        gp.grantedPermissions.add(perm);
6575                        gp.gids = appendInts(gp.gids, bp.gids);
6576                    } else if (!ps.haveGids) {
6577                        gp.gids = appendInts(gp.gids, bp.gids);
6578                    }
6579                } else {
6580                    Slog.w(TAG, "Not granting permission " + perm
6581                            + " to package " + pkg.packageName
6582                            + " because it was previously installed without");
6583                }
6584            } else {
6585                if (gp.grantedPermissions.remove(perm)) {
6586                    changedPermission = true;
6587                    gp.gids = removeInts(gp.gids, bp.gids);
6588                    Slog.i(TAG, "Un-granting permission " + perm
6589                            + " from package " + pkg.packageName
6590                            + " (protectionLevel=" + bp.protectionLevel
6591                            + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
6592                            + ")");
6593                } else {
6594                    Slog.w(TAG, "Not granting permission " + perm
6595                            + " to package " + pkg.packageName
6596                            + " (protectionLevel=" + bp.protectionLevel
6597                            + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
6598                            + ")");
6599                }
6600            }
6601        }
6602
6603        if ((changedPermission || replace) && !ps.permissionsFixed &&
6604                !isSystemApp(ps) || isUpdatedSystemApp(ps)){
6605            // This is the first that we have heard about this package, so the
6606            // permissions we have now selected are fixed until explicitly
6607            // changed.
6608            ps.permissionsFixed = true;
6609        }
6610        ps.haveGids = true;
6611    }
6612
6613    private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) {
6614        boolean allowed = false;
6615        final int NP = PackageParser.NEW_PERMISSIONS.length;
6616        for (int ip=0; ip<NP; ip++) {
6617            final PackageParser.NewPermissionInfo npi
6618                    = PackageParser.NEW_PERMISSIONS[ip];
6619            if (npi.name.equals(perm)
6620                    && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) {
6621                allowed = true;
6622                Log.i(TAG, "Auto-granting " + perm + " to old pkg "
6623                        + pkg.packageName);
6624                break;
6625            }
6626        }
6627        return allowed;
6628    }
6629
6630    private boolean grantSignaturePermission(String perm, PackageParser.Package pkg,
6631                                          BasePermission bp, HashSet<String> origPermissions) {
6632        boolean allowed;
6633        allowed = (compareSignatures(
6634                bp.packageSetting.signatures.mSignatures, pkg.mSignatures)
6635                        == PackageManager.SIGNATURE_MATCH)
6636                || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures)
6637                        == PackageManager.SIGNATURE_MATCH);
6638        if (!allowed && (bp.protectionLevel
6639                & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) {
6640            if (isSystemApp(pkg)) {
6641                // For updated system applications, a system permission
6642                // is granted only if it had been defined by the original application.
6643                if (isUpdatedSystemApp(pkg)) {
6644                    final PackageSetting sysPs = mSettings
6645                            .getDisabledSystemPkgLPr(pkg.packageName);
6646                    final GrantedPermissions origGp = sysPs.sharedUser != null
6647                            ? sysPs.sharedUser : sysPs;
6648
6649                    if (origGp.grantedPermissions.contains(perm)) {
6650                        // If the original was granted this permission, we take
6651                        // that grant decision as read and propagate it to the
6652                        // update.
6653                        allowed = true;
6654                    } else {
6655                        // The system apk may have been updated with an older
6656                        // version of the one on the data partition, but which
6657                        // granted a new system permission that it didn't have
6658                        // before.  In this case we do want to allow the app to
6659                        // now get the new permission if the ancestral apk is
6660                        // privileged to get it.
6661                        if (sysPs.pkg != null && sysPs.isPrivileged()) {
6662                            for (int j=0;
6663                                    j<sysPs.pkg.requestedPermissions.size(); j++) {
6664                                if (perm.equals(
6665                                        sysPs.pkg.requestedPermissions.get(j))) {
6666                                    allowed = true;
6667                                    break;
6668                                }
6669                            }
6670                        }
6671                    }
6672                } else {
6673                    allowed = isPrivilegedApp(pkg);
6674                }
6675            }
6676        }
6677        if (!allowed && (bp.protectionLevel
6678                & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) {
6679            // For development permissions, a development permission
6680            // is granted only if it was already granted.
6681            allowed = origPermissions.contains(perm);
6682        }
6683        return allowed;
6684    }
6685
6686    final class ActivityIntentResolver
6687            extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> {
6688        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
6689                boolean defaultOnly, int userId) {
6690            if (!sUserManager.exists(userId)) return null;
6691            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
6692            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
6693        }
6694
6695        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
6696                int userId) {
6697            if (!sUserManager.exists(userId)) return null;
6698            mFlags = flags;
6699            return super.queryIntent(intent, resolvedType,
6700                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
6701        }
6702
6703        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
6704                int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) {
6705            if (!sUserManager.exists(userId)) return null;
6706            if (packageActivities == null) {
6707                return null;
6708            }
6709            mFlags = flags;
6710            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
6711            final int N = packageActivities.size();
6712            ArrayList<PackageParser.ActivityIntentInfo[]> listCut =
6713                new ArrayList<PackageParser.ActivityIntentInfo[]>(N);
6714
6715            ArrayList<PackageParser.ActivityIntentInfo> intentFilters;
6716            for (int i = 0; i < N; ++i) {
6717                intentFilters = packageActivities.get(i).intents;
6718                if (intentFilters != null && intentFilters.size() > 0) {
6719                    PackageParser.ActivityIntentInfo[] array =
6720                            new PackageParser.ActivityIntentInfo[intentFilters.size()];
6721                    intentFilters.toArray(array);
6722                    listCut.add(array);
6723                }
6724            }
6725            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
6726        }
6727
6728        public final void addActivity(PackageParser.Activity a, String type) {
6729            final boolean systemApp = isSystemApp(a.info.applicationInfo);
6730            mActivities.put(a.getComponentName(), a);
6731            if (DEBUG_SHOW_INFO)
6732                Log.v(
6733                TAG, "  " + type + " " +
6734                (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":");
6735            if (DEBUG_SHOW_INFO)
6736                Log.v(TAG, "    Class=" + a.info.name);
6737            final int NI = a.intents.size();
6738            for (int j=0; j<NI; j++) {
6739                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
6740                if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) {
6741                    intent.setPriority(0);
6742                    Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity "
6743                            + a.className + " with priority > 0, forcing to 0");
6744                }
6745                if (DEBUG_SHOW_INFO) {
6746                    Log.v(TAG, "    IntentFilter:");
6747                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
6748                }
6749                if (!intent.debugCheck()) {
6750                    Log.w(TAG, "==> For Activity " + a.info.name);
6751                }
6752                addFilter(intent);
6753            }
6754        }
6755
6756        public final void removeActivity(PackageParser.Activity a, String type) {
6757            mActivities.remove(a.getComponentName());
6758            if (DEBUG_SHOW_INFO) {
6759                Log.v(TAG, "  " + type + " "
6760                        + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel
6761                                : a.info.name) + ":");
6762                Log.v(TAG, "    Class=" + a.info.name);
6763            }
6764            final int NI = a.intents.size();
6765            for (int j=0; j<NI; j++) {
6766                PackageParser.ActivityIntentInfo intent = a.intents.get(j);
6767                if (DEBUG_SHOW_INFO) {
6768                    Log.v(TAG, "    IntentFilter:");
6769                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
6770                }
6771                removeFilter(intent);
6772            }
6773        }
6774
6775        @Override
6776        protected boolean allowFilterResult(
6777                PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) {
6778            ActivityInfo filterAi = filter.activity.info;
6779            for (int i=dest.size()-1; i>=0; i--) {
6780                ActivityInfo destAi = dest.get(i).activityInfo;
6781                if (destAi.name == filterAi.name
6782                        && destAi.packageName == filterAi.packageName) {
6783                    return false;
6784                }
6785            }
6786            return true;
6787        }
6788
6789        @Override
6790        protected ActivityIntentInfo[] newArray(int size) {
6791            return new ActivityIntentInfo[size];
6792        }
6793
6794        @Override
6795        protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) {
6796            if (!sUserManager.exists(userId)) return true;
6797            PackageParser.Package p = filter.activity.owner;
6798            if (p != null) {
6799                PackageSetting ps = (PackageSetting)p.mExtras;
6800                if (ps != null) {
6801                    // System apps are never considered stopped for purposes of
6802                    // filtering, because there may be no way for the user to
6803                    // actually re-launch them.
6804                    return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0
6805                            && ps.getStopped(userId);
6806                }
6807            }
6808            return false;
6809        }
6810
6811        @Override
6812        protected boolean isPackageForFilter(String packageName,
6813                PackageParser.ActivityIntentInfo info) {
6814            return packageName.equals(info.activity.owner.packageName);
6815        }
6816
6817        @Override
6818        protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info,
6819                int match, int userId) {
6820            if (!sUserManager.exists(userId)) return null;
6821            if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) {
6822                return null;
6823            }
6824            final PackageParser.Activity activity = info.activity;
6825            if (mSafeMode && (activity.info.applicationInfo.flags
6826                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
6827                return null;
6828            }
6829            PackageSetting ps = (PackageSetting) activity.owner.mExtras;
6830            if (ps == null) {
6831                return null;
6832            }
6833            ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags,
6834                    ps.readUserState(userId), userId);
6835            if (ai == null) {
6836                return null;
6837            }
6838            final ResolveInfo res = new ResolveInfo();
6839            res.activityInfo = ai;
6840            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
6841                res.filter = info;
6842            }
6843            res.priority = info.getPriority();
6844            res.preferredOrder = activity.owner.mPreferredOrder;
6845            //System.out.println("Result: " + res.activityInfo.className +
6846            //                   " = " + res.priority);
6847            res.match = match;
6848            res.isDefault = info.hasDefault;
6849            res.labelRes = info.labelRes;
6850            res.nonLocalizedLabel = info.nonLocalizedLabel;
6851            res.icon = info.icon;
6852            res.system = isSystemApp(res.activityInfo.applicationInfo);
6853            return res;
6854        }
6855
6856        @Override
6857        protected void sortResults(List<ResolveInfo> results) {
6858            Collections.sort(results, mResolvePrioritySorter);
6859        }
6860
6861        @Override
6862        protected void dumpFilter(PrintWriter out, String prefix,
6863                PackageParser.ActivityIntentInfo filter) {
6864            out.print(prefix); out.print(
6865                    Integer.toHexString(System.identityHashCode(filter.activity)));
6866                    out.print(' ');
6867                    filter.activity.printComponentShortName(out);
6868                    out.print(" filter ");
6869                    out.println(Integer.toHexString(System.identityHashCode(filter)));
6870        }
6871
6872//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
6873//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
6874//            final List<ResolveInfo> retList = Lists.newArrayList();
6875//            while (i.hasNext()) {
6876//                final ResolveInfo resolveInfo = i.next();
6877//                if (isEnabledLP(resolveInfo.activityInfo)) {
6878//                    retList.add(resolveInfo);
6879//                }
6880//            }
6881//            return retList;
6882//        }
6883
6884        // Keys are String (activity class name), values are Activity.
6885        private final HashMap<ComponentName, PackageParser.Activity> mActivities
6886                = new HashMap<ComponentName, PackageParser.Activity>();
6887        private int mFlags;
6888    }
6889
6890    private final class ServiceIntentResolver
6891            extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> {
6892        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
6893                boolean defaultOnly, int userId) {
6894            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
6895            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
6896        }
6897
6898        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
6899                int userId) {
6900            if (!sUserManager.exists(userId)) return null;
6901            mFlags = flags;
6902            return super.queryIntent(intent, resolvedType,
6903                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
6904        }
6905
6906        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
6907                int flags, ArrayList<PackageParser.Service> packageServices, int userId) {
6908            if (!sUserManager.exists(userId)) return null;
6909            if (packageServices == null) {
6910                return null;
6911            }
6912            mFlags = flags;
6913            final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
6914            final int N = packageServices.size();
6915            ArrayList<PackageParser.ServiceIntentInfo[]> listCut =
6916                new ArrayList<PackageParser.ServiceIntentInfo[]>(N);
6917
6918            ArrayList<PackageParser.ServiceIntentInfo> intentFilters;
6919            for (int i = 0; i < N; ++i) {
6920                intentFilters = packageServices.get(i).intents;
6921                if (intentFilters != null && intentFilters.size() > 0) {
6922                    PackageParser.ServiceIntentInfo[] array =
6923                            new PackageParser.ServiceIntentInfo[intentFilters.size()];
6924                    intentFilters.toArray(array);
6925                    listCut.add(array);
6926                }
6927            }
6928            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
6929        }
6930
6931        public final void addService(PackageParser.Service s) {
6932            mServices.put(s.getComponentName(), s);
6933            if (DEBUG_SHOW_INFO) {
6934                Log.v(TAG, "  "
6935                        + (s.info.nonLocalizedLabel != null
6936                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
6937                Log.v(TAG, "    Class=" + s.info.name);
6938            }
6939            final int NI = s.intents.size();
6940            int j;
6941            for (j=0; j<NI; j++) {
6942                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
6943                if (DEBUG_SHOW_INFO) {
6944                    Log.v(TAG, "    IntentFilter:");
6945                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
6946                }
6947                if (!intent.debugCheck()) {
6948                    Log.w(TAG, "==> For Service " + s.info.name);
6949                }
6950                addFilter(intent);
6951            }
6952        }
6953
6954        public final void removeService(PackageParser.Service s) {
6955            mServices.remove(s.getComponentName());
6956            if (DEBUG_SHOW_INFO) {
6957                Log.v(TAG, "  " + (s.info.nonLocalizedLabel != null
6958                        ? s.info.nonLocalizedLabel : s.info.name) + ":");
6959                Log.v(TAG, "    Class=" + s.info.name);
6960            }
6961            final int NI = s.intents.size();
6962            int j;
6963            for (j=0; j<NI; j++) {
6964                PackageParser.ServiceIntentInfo intent = s.intents.get(j);
6965                if (DEBUG_SHOW_INFO) {
6966                    Log.v(TAG, "    IntentFilter:");
6967                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
6968                }
6969                removeFilter(intent);
6970            }
6971        }
6972
6973        @Override
6974        protected boolean allowFilterResult(
6975                PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) {
6976            ServiceInfo filterSi = filter.service.info;
6977            for (int i=dest.size()-1; i>=0; i--) {
6978                ServiceInfo destAi = dest.get(i).serviceInfo;
6979                if (destAi.name == filterSi.name
6980                        && destAi.packageName == filterSi.packageName) {
6981                    return false;
6982                }
6983            }
6984            return true;
6985        }
6986
6987        @Override
6988        protected PackageParser.ServiceIntentInfo[] newArray(int size) {
6989            return new PackageParser.ServiceIntentInfo[size];
6990        }
6991
6992        @Override
6993        protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) {
6994            if (!sUserManager.exists(userId)) return true;
6995            PackageParser.Package p = filter.service.owner;
6996            if (p != null) {
6997                PackageSetting ps = (PackageSetting)p.mExtras;
6998                if (ps != null) {
6999                    // System apps are never considered stopped for purposes of
7000                    // filtering, because there may be no way for the user to
7001                    // actually re-launch them.
7002                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
7003                            && ps.getStopped(userId);
7004                }
7005            }
7006            return false;
7007        }
7008
7009        @Override
7010        protected boolean isPackageForFilter(String packageName,
7011                PackageParser.ServiceIntentInfo info) {
7012            return packageName.equals(info.service.owner.packageName);
7013        }
7014
7015        @Override
7016        protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter,
7017                int match, int userId) {
7018            if (!sUserManager.exists(userId)) return null;
7019            final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter;
7020            if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) {
7021                return null;
7022            }
7023            final PackageParser.Service service = info.service;
7024            if (mSafeMode && (service.info.applicationInfo.flags
7025                    &ApplicationInfo.FLAG_SYSTEM) == 0) {
7026                return null;
7027            }
7028            PackageSetting ps = (PackageSetting) service.owner.mExtras;
7029            if (ps == null) {
7030                return null;
7031            }
7032            ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags,
7033                    ps.readUserState(userId), userId);
7034            if (si == null) {
7035                return null;
7036            }
7037            final ResolveInfo res = new ResolveInfo();
7038            res.serviceInfo = si;
7039            if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
7040                res.filter = filter;
7041            }
7042            res.priority = info.getPriority();
7043            res.preferredOrder = service.owner.mPreferredOrder;
7044            //System.out.println("Result: " + res.activityInfo.className +
7045            //                   " = " + res.priority);
7046            res.match = match;
7047            res.isDefault = info.hasDefault;
7048            res.labelRes = info.labelRes;
7049            res.nonLocalizedLabel = info.nonLocalizedLabel;
7050            res.icon = info.icon;
7051            res.system = isSystemApp(res.serviceInfo.applicationInfo);
7052            return res;
7053        }
7054
7055        @Override
7056        protected void sortResults(List<ResolveInfo> results) {
7057            Collections.sort(results, mResolvePrioritySorter);
7058        }
7059
7060        @Override
7061        protected void dumpFilter(PrintWriter out, String prefix,
7062                PackageParser.ServiceIntentInfo filter) {
7063            out.print(prefix); out.print(
7064                    Integer.toHexString(System.identityHashCode(filter.service)));
7065                    out.print(' ');
7066                    filter.service.printComponentShortName(out);
7067                    out.print(" filter ");
7068                    out.println(Integer.toHexString(System.identityHashCode(filter)));
7069        }
7070
7071//        List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
7072//            final Iterator<ResolveInfo> i = resolveInfoList.iterator();
7073//            final List<ResolveInfo> retList = Lists.newArrayList();
7074//            while (i.hasNext()) {
7075//                final ResolveInfo resolveInfo = (ResolveInfo) i;
7076//                if (isEnabledLP(resolveInfo.serviceInfo)) {
7077//                    retList.add(resolveInfo);
7078//                }
7079//            }
7080//            return retList;
7081//        }
7082
7083        // Keys are String (activity class name), values are Activity.
7084        private final HashMap<ComponentName, PackageParser.Service> mServices
7085                = new HashMap<ComponentName, PackageParser.Service>();
7086        private int mFlags;
7087    };
7088
7089    private final class ProviderIntentResolver
7090            extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> {
7091        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType,
7092                boolean defaultOnly, int userId) {
7093            mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
7094            return super.queryIntent(intent, resolvedType, defaultOnly, userId);
7095        }
7096
7097        public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
7098                int userId) {
7099            if (!sUserManager.exists(userId))
7100                return null;
7101            mFlags = flags;
7102            return super.queryIntent(intent, resolvedType,
7103                    (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
7104        }
7105
7106        public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
7107                int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) {
7108            if (!sUserManager.exists(userId))
7109                return null;
7110            if (packageProviders == null) {
7111                return null;
7112            }
7113            mFlags = flags;
7114            final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0;
7115            final int N = packageProviders.size();
7116            ArrayList<PackageParser.ProviderIntentInfo[]> listCut =
7117                    new ArrayList<PackageParser.ProviderIntentInfo[]>(N);
7118
7119            ArrayList<PackageParser.ProviderIntentInfo> intentFilters;
7120            for (int i = 0; i < N; ++i) {
7121                intentFilters = packageProviders.get(i).intents;
7122                if (intentFilters != null && intentFilters.size() > 0) {
7123                    PackageParser.ProviderIntentInfo[] array =
7124                            new PackageParser.ProviderIntentInfo[intentFilters.size()];
7125                    intentFilters.toArray(array);
7126                    listCut.add(array);
7127                }
7128            }
7129            return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
7130        }
7131
7132        public final void addProvider(PackageParser.Provider p) {
7133            if (mProviders.containsKey(p.getComponentName())) {
7134                Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring");
7135                return;
7136            }
7137
7138            mProviders.put(p.getComponentName(), p);
7139            if (DEBUG_SHOW_INFO) {
7140                Log.v(TAG, "  "
7141                        + (p.info.nonLocalizedLabel != null
7142                                ? p.info.nonLocalizedLabel : p.info.name) + ":");
7143                Log.v(TAG, "    Class=" + p.info.name);
7144            }
7145            final int NI = p.intents.size();
7146            int j;
7147            for (j = 0; j < NI; j++) {
7148                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
7149                if (DEBUG_SHOW_INFO) {
7150                    Log.v(TAG, "    IntentFilter:");
7151                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7152                }
7153                if (!intent.debugCheck()) {
7154                    Log.w(TAG, "==> For Provider " + p.info.name);
7155                }
7156                addFilter(intent);
7157            }
7158        }
7159
7160        public final void removeProvider(PackageParser.Provider p) {
7161            mProviders.remove(p.getComponentName());
7162            if (DEBUG_SHOW_INFO) {
7163                Log.v(TAG, "  " + (p.info.nonLocalizedLabel != null
7164                        ? p.info.nonLocalizedLabel : p.info.name) + ":");
7165                Log.v(TAG, "    Class=" + p.info.name);
7166            }
7167            final int NI = p.intents.size();
7168            int j;
7169            for (j = 0; j < NI; j++) {
7170                PackageParser.ProviderIntentInfo intent = p.intents.get(j);
7171                if (DEBUG_SHOW_INFO) {
7172                    Log.v(TAG, "    IntentFilter:");
7173                    intent.dump(new LogPrinter(Log.VERBOSE, TAG), "      ");
7174                }
7175                removeFilter(intent);
7176            }
7177        }
7178
7179        @Override
7180        protected boolean allowFilterResult(
7181                PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) {
7182            ProviderInfo filterPi = filter.provider.info;
7183            for (int i = dest.size() - 1; i >= 0; i--) {
7184                ProviderInfo destPi = dest.get(i).providerInfo;
7185                if (destPi.name == filterPi.name
7186                        && destPi.packageName == filterPi.packageName) {
7187                    return false;
7188                }
7189            }
7190            return true;
7191        }
7192
7193        @Override
7194        protected PackageParser.ProviderIntentInfo[] newArray(int size) {
7195            return new PackageParser.ProviderIntentInfo[size];
7196        }
7197
7198        @Override
7199        protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) {
7200            if (!sUserManager.exists(userId))
7201                return true;
7202            PackageParser.Package p = filter.provider.owner;
7203            if (p != null) {
7204                PackageSetting ps = (PackageSetting) p.mExtras;
7205                if (ps != null) {
7206                    // System apps are never considered stopped for purposes of
7207                    // filtering, because there may be no way for the user to
7208                    // actually re-launch them.
7209                    return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
7210                            && ps.getStopped(userId);
7211                }
7212            }
7213            return false;
7214        }
7215
7216        @Override
7217        protected boolean isPackageForFilter(String packageName,
7218                PackageParser.ProviderIntentInfo info) {
7219            return packageName.equals(info.provider.owner.packageName);
7220        }
7221
7222        @Override
7223        protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter,
7224                int match, int userId) {
7225            if (!sUserManager.exists(userId))
7226                return null;
7227            final PackageParser.ProviderIntentInfo info = filter;
7228            if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) {
7229                return null;
7230            }
7231            final PackageParser.Provider provider = info.provider;
7232            if (mSafeMode && (provider.info.applicationInfo.flags
7233                    & ApplicationInfo.FLAG_SYSTEM) == 0) {
7234                return null;
7235            }
7236            PackageSetting ps = (PackageSetting) provider.owner.mExtras;
7237            if (ps == null) {
7238                return null;
7239            }
7240            ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags,
7241                    ps.readUserState(userId), userId);
7242            if (pi == null) {
7243                return null;
7244            }
7245            final ResolveInfo res = new ResolveInfo();
7246            res.providerInfo = pi;
7247            if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) {
7248                res.filter = filter;
7249            }
7250            res.priority = info.getPriority();
7251            res.preferredOrder = provider.owner.mPreferredOrder;
7252            res.match = match;
7253            res.isDefault = info.hasDefault;
7254            res.labelRes = info.labelRes;
7255            res.nonLocalizedLabel = info.nonLocalizedLabel;
7256            res.icon = info.icon;
7257            res.system = isSystemApp(res.providerInfo.applicationInfo);
7258            return res;
7259        }
7260
7261        @Override
7262        protected void sortResults(List<ResolveInfo> results) {
7263            Collections.sort(results, mResolvePrioritySorter);
7264        }
7265
7266        @Override
7267        protected void dumpFilter(PrintWriter out, String prefix,
7268                PackageParser.ProviderIntentInfo filter) {
7269            out.print(prefix);
7270            out.print(
7271                    Integer.toHexString(System.identityHashCode(filter.provider)));
7272            out.print(' ');
7273            filter.provider.printComponentShortName(out);
7274            out.print(" filter ");
7275            out.println(Integer.toHexString(System.identityHashCode(filter)));
7276        }
7277
7278        private final HashMap<ComponentName, PackageParser.Provider> mProviders
7279                = new HashMap<ComponentName, PackageParser.Provider>();
7280        private int mFlags;
7281    };
7282
7283    private static final Comparator<ResolveInfo> mResolvePrioritySorter =
7284            new Comparator<ResolveInfo>() {
7285        public int compare(ResolveInfo r1, ResolveInfo r2) {
7286            int v1 = r1.priority;
7287            int v2 = r2.priority;
7288            //System.out.println("Comparing: q1=" + q1 + " q2=" + q2);
7289            if (v1 != v2) {
7290                return (v1 > v2) ? -1 : 1;
7291            }
7292            v1 = r1.preferredOrder;
7293            v2 = r2.preferredOrder;
7294            if (v1 != v2) {
7295                return (v1 > v2) ? -1 : 1;
7296            }
7297            if (r1.isDefault != r2.isDefault) {
7298                return r1.isDefault ? -1 : 1;
7299            }
7300            v1 = r1.match;
7301            v2 = r2.match;
7302            //System.out.println("Comparing: m1=" + m1 + " m2=" + m2);
7303            if (v1 != v2) {
7304                return (v1 > v2) ? -1 : 1;
7305            }
7306            if (r1.system != r2.system) {
7307                return r1.system ? -1 : 1;
7308            }
7309            return 0;
7310        }
7311    };
7312
7313    private static final Comparator<ProviderInfo> mProviderInitOrderSorter =
7314            new Comparator<ProviderInfo>() {
7315        public int compare(ProviderInfo p1, ProviderInfo p2) {
7316            final int v1 = p1.initOrder;
7317            final int v2 = p2.initOrder;
7318            return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0);
7319        }
7320    };
7321
7322    static final void sendPackageBroadcast(String action, String pkg,
7323            Bundle extras, String targetPkg, IIntentReceiver finishedReceiver,
7324            int[] userIds) {
7325        IActivityManager am = ActivityManagerNative.getDefault();
7326        if (am != null) {
7327            try {
7328                if (userIds == null) {
7329                    userIds = am.getRunningUserIds();
7330                }
7331                for (int id : userIds) {
7332                    final Intent intent = new Intent(action,
7333                            pkg != null ? Uri.fromParts("package", pkg, null) : null);
7334                    if (extras != null) {
7335                        intent.putExtras(extras);
7336                    }
7337                    if (targetPkg != null) {
7338                        intent.setPackage(targetPkg);
7339                    }
7340                    // Modify the UID when posting to other users
7341                    int uid = intent.getIntExtra(Intent.EXTRA_UID, -1);
7342                    if (uid > 0 && UserHandle.getUserId(uid) != id) {
7343                        uid = UserHandle.getUid(id, UserHandle.getAppId(uid));
7344                        intent.putExtra(Intent.EXTRA_UID, uid);
7345                    }
7346                    intent.putExtra(Intent.EXTRA_USER_HANDLE, id);
7347                    intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
7348                    if (DEBUG_BROADCASTS) {
7349                        RuntimeException here = new RuntimeException("here");
7350                        here.fillInStackTrace();
7351                        Slog.d(TAG, "Sending to user " + id + ": "
7352                                + intent.toShortString(false, true, false, false)
7353                                + " " + intent.getExtras(), here);
7354                    }
7355                    am.broadcastIntent(null, intent, null, finishedReceiver,
7356                            0, null, null, null, android.app.AppOpsManager.OP_NONE,
7357                            finishedReceiver != null, false, id);
7358                }
7359            } catch (RemoteException ex) {
7360            }
7361        }
7362    }
7363
7364    /**
7365     * Check if the external storage media is available. This is true if there
7366     * is a mounted external storage medium or if the external storage is
7367     * emulated.
7368     */
7369    private boolean isExternalMediaAvailable() {
7370        return mMediaMounted || Environment.isExternalStorageEmulated();
7371    }
7372
7373    @Override
7374    public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) {
7375        // writer
7376        synchronized (mPackages) {
7377            if (!isExternalMediaAvailable()) {
7378                // If the external storage is no longer mounted at this point,
7379                // the caller may not have been able to delete all of this
7380                // packages files and can not delete any more.  Bail.
7381                return null;
7382            }
7383            final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned;
7384            if (lastPackage != null) {
7385                pkgs.remove(lastPackage);
7386            }
7387            if (pkgs.size() > 0) {
7388                return pkgs.get(0);
7389            }
7390        }
7391        return null;
7392    }
7393
7394    void schedulePackageCleaning(String packageName, int userId, boolean andCode) {
7395        if (false) {
7396            RuntimeException here = new RuntimeException("here");
7397            here.fillInStackTrace();
7398            Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId
7399                    + " andCode=" + andCode, here);
7400        }
7401        mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE,
7402                userId, andCode ? 1 : 0, packageName));
7403    }
7404
7405    void startCleaningPackages() {
7406        // reader
7407        synchronized (mPackages) {
7408            if (!isExternalMediaAvailable()) {
7409                return;
7410            }
7411            if (mSettings.mPackagesToBeCleaned.isEmpty()) {
7412                return;
7413            }
7414        }
7415        Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE);
7416        intent.setComponent(DEFAULT_CONTAINER_COMPONENT);
7417        IActivityManager am = ActivityManagerNative.getDefault();
7418        if (am != null) {
7419            try {
7420                am.startService(null, intent, null, UserHandle.USER_OWNER);
7421            } catch (RemoteException e) {
7422            }
7423        }
7424    }
7425
7426    private final class AppDirObserver extends FileObserver {
7427        public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) {
7428            super(path, mask);
7429            mRootDir = path;
7430            mIsRom = isrom;
7431            mIsPrivileged = isPrivileged;
7432        }
7433
7434        public void onEvent(int event, String path) {
7435            String removedPackage = null;
7436            int removedAppId = -1;
7437            int[] removedUsers = null;
7438            String addedPackage = null;
7439            int addedAppId = -1;
7440            int[] addedUsers = null;
7441
7442            // TODO post a message to the handler to obtain serial ordering
7443            synchronized (mInstallLock) {
7444                String fullPathStr = null;
7445                File fullPath = null;
7446                if (path != null) {
7447                    fullPath = new File(mRootDir, path);
7448                    fullPathStr = fullPath.getPath();
7449                }
7450
7451                if (DEBUG_APP_DIR_OBSERVER)
7452                    Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event));
7453
7454                if (!isPackageFilename(path)) {
7455                    if (DEBUG_APP_DIR_OBSERVER)
7456                        Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr);
7457                    return;
7458                }
7459
7460                // Ignore packages that are being installed or
7461                // have just been installed.
7462                if (ignoreCodePath(fullPathStr)) {
7463                    return;
7464                }
7465                PackageParser.Package p = null;
7466                PackageSetting ps = null;
7467                // reader
7468                synchronized (mPackages) {
7469                    p = mAppDirs.get(fullPathStr);
7470                    if (p != null) {
7471                        ps = mSettings.mPackages.get(p.applicationInfo.packageName);
7472                        if (ps != null) {
7473                            removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
7474                        } else {
7475                            removedUsers = sUserManager.getUserIds();
7476                        }
7477                    }
7478                    addedUsers = sUserManager.getUserIds();
7479                }
7480                if ((event&REMOVE_EVENTS) != 0) {
7481                    if (ps != null) {
7482                        if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps);
7483                        removePackageLI(ps, true);
7484                        removedPackage = ps.name;
7485                        removedAppId = ps.appId;
7486                    }
7487                }
7488
7489                if ((event&ADD_EVENTS) != 0) {
7490                    if (p == null) {
7491                        if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath);
7492                        int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK;
7493                        if (mIsRom) {
7494                            flags |= PackageParser.PARSE_IS_SYSTEM
7495                                    | PackageParser.PARSE_IS_SYSTEM_DIR;
7496                            if (mIsPrivileged) {
7497                                flags |= PackageParser.PARSE_IS_PRIVILEGED;
7498                            }
7499                        }
7500                        p = scanPackageLI(fullPath, flags,
7501                                SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME,
7502                                System.currentTimeMillis(), UserHandle.ALL, null);
7503                        if (p != null) {
7504                            /*
7505                             * TODO this seems dangerous as the package may have
7506                             * changed since we last acquired the mPackages
7507                             * lock.
7508                             */
7509                            // writer
7510                            synchronized (mPackages) {
7511                                updatePermissionsLPw(p.packageName, p,
7512                                        p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0);
7513                            }
7514                            addedPackage = p.applicationInfo.packageName;
7515                            addedAppId = UserHandle.getAppId(p.applicationInfo.uid);
7516                        }
7517                    }
7518                }
7519
7520                // reader
7521                synchronized (mPackages) {
7522                    mSettings.writeLPr();
7523                }
7524            }
7525
7526            if (removedPackage != null) {
7527                Bundle extras = new Bundle(1);
7528                extras.putInt(Intent.EXTRA_UID, removedAppId);
7529                extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false);
7530                sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
7531                        extras, null, null, removedUsers);
7532            }
7533            if (addedPackage != null) {
7534                Bundle extras = new Bundle(1);
7535                extras.putInt(Intent.EXTRA_UID, addedAppId);
7536                sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage,
7537                        extras, null, null, addedUsers);
7538            }
7539        }
7540
7541        private final String mRootDir;
7542        private final boolean mIsRom;
7543        private final boolean mIsPrivileged;
7544    }
7545
7546    /*
7547     * The old-style observer methods all just trampoline to the newer signature with
7548     * expanded install observer API.  The older API continues to work but does not
7549     * supply the additional details of the Observer2 API.
7550     */
7551
7552    /* Called when a downloaded package installation has been confirmed by the user */
7553    public void installPackage(
7554            final Uri packageURI, final IPackageInstallObserver observer, final int flags) {
7555        installPackageEtc(packageURI, observer, null, flags, null);
7556    }
7557
7558    /* Called when a downloaded package installation has been confirmed by the user */
7559    @Override
7560    public void installPackage(
7561            final Uri packageURI, final IPackageInstallObserver observer, final int flags,
7562            final String installerPackageName) {
7563        installPackageWithVerificationEtc(packageURI, observer, null, flags,
7564                installerPackageName, null, null, null);
7565    }
7566
7567    @Override
7568    public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer,
7569            int flags, String installerPackageName, Uri verificationURI,
7570            ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) {
7571        VerificationParams verificationParams = new VerificationParams(verificationURI, null, null,
7572                VerificationParams.NO_UID, manifestDigest);
7573        installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags,
7574                installerPackageName, verificationParams, encryptionParams);
7575    }
7576
7577    @Override
7578    public void installPackageWithVerificationAndEncryption(Uri packageURI,
7579            IPackageInstallObserver observer, int flags, String installerPackageName,
7580            VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) {
7581        installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags,
7582                installerPackageName, verificationParams, encryptionParams);
7583    }
7584
7585    /*
7586     * And here are the "live" versions that take both observer arguments
7587     */
7588    public void installPackageEtc(
7589            final Uri packageURI, final IPackageInstallObserver observer,
7590            IPackageInstallObserver2 observer2, final int flags) {
7591        installPackageEtc(packageURI, observer, observer2, flags, null);
7592    }
7593
7594    public void installPackageEtc(
7595            final Uri packageURI, final IPackageInstallObserver observer,
7596            final IPackageInstallObserver2 observer2, final int flags,
7597            final String installerPackageName) {
7598        installPackageWithVerificationEtc(packageURI, observer, observer2, flags,
7599                installerPackageName, null, null, null);
7600    }
7601
7602    @Override
7603    public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer,
7604            IPackageInstallObserver2 observer2,
7605            int flags, String installerPackageName, Uri verificationURI,
7606            ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) {
7607        VerificationParams verificationParams = new VerificationParams(verificationURI, null, null,
7608                VerificationParams.NO_UID, manifestDigest);
7609        installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags,
7610                installerPackageName, verificationParams, encryptionParams);
7611    }
7612
7613    /*
7614     * All of the installPackage...*() methods redirect to this one for the master implementation
7615     */
7616    public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI,
7617            IPackageInstallObserver observer, IPackageInstallObserver2 observer2,
7618            int flags, String installerPackageName,
7619            VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) {
7620        if (observer == null && observer2 == null) {
7621            throw new IllegalArgumentException("No install observer supplied");
7622        }
7623        installPackageWithVerificationEncryptionAndAbiOverrideEtc(packageURI, observer, observer2,
7624                flags, installerPackageName, verificationParams, encryptionParams, null);
7625    }
7626
7627    @Override
7628    public void installPackageWithVerificationEncryptionAndAbiOverrideEtc(Uri packageURI,
7629            IPackageInstallObserver observer, IPackageInstallObserver2 observer2,
7630            int flags, String installerPackageName,
7631            VerificationParams verificationParams, ContainerEncryptionParams encryptionParams,
7632            String packageAbiOverride) {
7633        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES,
7634                null);
7635
7636        final int uid = Binder.getCallingUid();
7637        if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) {
7638            try {
7639                if (observer != null) {
7640                    observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED);
7641                }
7642                if (observer2 != null) {
7643                    observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED);
7644                }
7645            } catch (RemoteException re) {
7646            }
7647            return;
7648        }
7649
7650        UserHandle user;
7651        if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) {
7652            user = UserHandle.ALL;
7653        } else {
7654            user = new UserHandle(UserHandle.getUserId(uid));
7655        }
7656
7657        final int filteredFlags;
7658
7659        if (uid == Process.SHELL_UID || uid == 0) {
7660            if (DEBUG_INSTALL) {
7661                Slog.v(TAG, "Install from ADB");
7662            }
7663            filteredFlags = flags | PackageManager.INSTALL_FROM_ADB;
7664        } else {
7665            filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB;
7666        }
7667
7668        verificationParams.setInstallerUid(uid);
7669
7670        final Message msg = mHandler.obtainMessage(INIT_COPY);
7671        msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags,
7672                installerPackageName, verificationParams, encryptionParams, user,
7673                packageAbiOverride);
7674        mHandler.sendMessage(msg);
7675    }
7676
7677    private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) {
7678        Bundle extras = new Bundle(1);
7679        extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId));
7680
7681        sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
7682                packageName, extras, null, null, new int[] {userId});
7683        try {
7684            IActivityManager am = ActivityManagerNative.getDefault();
7685            final boolean isSystem =
7686                    isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting);
7687            if (isSystem && am.isUserRunning(userId, false)) {
7688                // The just-installed/enabled app is bundled on the system, so presumed
7689                // to be able to run automatically without needing an explicit launch.
7690                // Send it a BOOT_COMPLETED if it would ordinarily have gotten one.
7691                Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED)
7692                        .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES)
7693                        .setPackage(packageName);
7694                am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null,
7695                        android.app.AppOpsManager.OP_NONE, false, false, userId);
7696            }
7697        } catch (RemoteException e) {
7698            // shouldn't happen
7699            Slog.w(TAG, "Unable to bootstrap installed package", e);
7700        }
7701    }
7702
7703    @Override
7704    public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked,
7705            int userId) {
7706        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
7707        PackageSetting pkgSetting;
7708        final int uid = Binder.getCallingUid();
7709        if (UserHandle.getUserId(uid) != userId) {
7710            mContext.enforceCallingOrSelfPermission(
7711                    android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
7712                    "setApplicationBlockedSetting for user " + userId);
7713        }
7714
7715        if (blocked && isPackageDeviceAdmin(packageName, userId)) {
7716            Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin");
7717            return false;
7718        }
7719
7720        long callingId = Binder.clearCallingIdentity();
7721        try {
7722            boolean sendAdded = false;
7723            boolean sendRemoved = false;
7724            // writer
7725            synchronized (mPackages) {
7726                pkgSetting = mSettings.mPackages.get(packageName);
7727                if (pkgSetting == null) {
7728                    return false;
7729                }
7730                if (pkgSetting.getBlocked(userId) != blocked) {
7731                    pkgSetting.setBlocked(blocked, userId);
7732                    mSettings.writePackageRestrictionsLPr(userId);
7733                    if (blocked) {
7734                        sendRemoved = true;
7735                    } else {
7736                        sendAdded = true;
7737                    }
7738                }
7739            }
7740            if (sendAdded) {
7741                sendPackageAddedForUser(packageName, pkgSetting, userId);
7742                return true;
7743            }
7744            if (sendRemoved) {
7745                killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId),
7746                        "blocking pkg");
7747                sendPackageBlockedForUser(packageName, pkgSetting, userId);
7748            }
7749        } finally {
7750            Binder.restoreCallingIdentity(callingId);
7751        }
7752        return false;
7753    }
7754
7755    private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting,
7756            int userId) {
7757        final PackageRemovedInfo info = new PackageRemovedInfo();
7758        info.removedPackage = packageName;
7759        info.removedUsers = new int[] {userId};
7760        info.uid = UserHandle.getUid(userId, pkgSetting.appId);
7761        info.sendBroadcast(false, false, false);
7762    }
7763
7764    /**
7765     * Returns true if application is not found or there was an error. Otherwise it returns
7766     * the blocked state of the package for the given user.
7767     */
7768    @Override
7769    public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) {
7770        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null);
7771        enforceCrossUserPermission(Binder.getCallingUid(), userId, true,
7772                "getApplicationBlocked for user " + userId);
7773        PackageSetting pkgSetting;
7774        long callingId = Binder.clearCallingIdentity();
7775        try {
7776            // writer
7777            synchronized (mPackages) {
7778                pkgSetting = mSettings.mPackages.get(packageName);
7779                if (pkgSetting == null) {
7780                    return true;
7781                }
7782                return pkgSetting.getBlocked(userId);
7783            }
7784        } finally {
7785            Binder.restoreCallingIdentity(callingId);
7786        }
7787    }
7788
7789    void installStage(String basePackageName, File stageDir, IPackageInstallObserver2 observer,
7790            int flags) {
7791        // TODO: install stage!
7792        try {
7793            observer.packageInstalled(basePackageName, null,
7794                    PackageManager.INSTALL_FAILED_INTERNAL_ERROR);
7795        } catch (RemoteException ignored) {
7796        }
7797    }
7798
7799    /**
7800     * @hide
7801     */
7802    @Override
7803    public int installExistingPackageAsUser(String packageName, int userId) {
7804        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES,
7805                null);
7806        PackageSetting pkgSetting;
7807        final int uid = Binder.getCallingUid();
7808        enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId);
7809        if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) {
7810            return PackageManager.INSTALL_FAILED_USER_RESTRICTED;
7811        }
7812
7813        long callingId = Binder.clearCallingIdentity();
7814        try {
7815            boolean sendAdded = false;
7816            Bundle extras = new Bundle(1);
7817
7818            // writer
7819            synchronized (mPackages) {
7820                pkgSetting = mSettings.mPackages.get(packageName);
7821                if (pkgSetting == null) {
7822                    return PackageManager.INSTALL_FAILED_INVALID_URI;
7823                }
7824                if (!pkgSetting.getInstalled(userId)) {
7825                    pkgSetting.setInstalled(true, userId);
7826                    pkgSetting.setBlocked(false, userId);
7827                    mSettings.writePackageRestrictionsLPr(userId);
7828                    sendAdded = true;
7829                }
7830            }
7831
7832            if (sendAdded) {
7833                sendPackageAddedForUser(packageName, pkgSetting, userId);
7834            }
7835        } finally {
7836            Binder.restoreCallingIdentity(callingId);
7837        }
7838
7839        return PackageManager.INSTALL_SUCCEEDED;
7840    }
7841
7842    boolean isUserRestricted(int userId, String restrictionKey) {
7843        Bundle restrictions = sUserManager.getUserRestrictions(userId);
7844        if (restrictions.getBoolean(restrictionKey, false)) {
7845            Log.w(TAG, "User is restricted: " + restrictionKey);
7846            return true;
7847        }
7848        return false;
7849    }
7850
7851    @Override
7852    public void verifyPendingInstall(int id, int verificationCode) throws RemoteException {
7853        mContext.enforceCallingOrSelfPermission(
7854                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
7855                "Only package verification agents can verify applications");
7856
7857        final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
7858        final PackageVerificationResponse response = new PackageVerificationResponse(
7859                verificationCode, Binder.getCallingUid());
7860        msg.arg1 = id;
7861        msg.obj = response;
7862        mHandler.sendMessage(msg);
7863    }
7864
7865    @Override
7866    public void extendVerificationTimeout(int id, int verificationCodeAtTimeout,
7867            long millisecondsToDelay) {
7868        mContext.enforceCallingOrSelfPermission(
7869                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
7870                "Only package verification agents can extend verification timeouts");
7871
7872        final PackageVerificationState state = mPendingVerification.get(id);
7873        final PackageVerificationResponse response = new PackageVerificationResponse(
7874                verificationCodeAtTimeout, Binder.getCallingUid());
7875
7876        if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) {
7877            millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT;
7878        }
7879        if (millisecondsToDelay < 0) {
7880            millisecondsToDelay = 0;
7881        }
7882        if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW)
7883                && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) {
7884            verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT;
7885        }
7886
7887        if ((state != null) && !state.timeoutExtended()) {
7888            state.extendTimeout();
7889
7890            final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
7891            msg.arg1 = id;
7892            msg.obj = response;
7893            mHandler.sendMessageDelayed(msg, millisecondsToDelay);
7894        }
7895    }
7896
7897    private void broadcastPackageVerified(int verificationId, Uri packageUri,
7898            int verificationCode, UserHandle user) {
7899        final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED);
7900        intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE);
7901        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
7902        intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
7903        intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode);
7904
7905        mContext.sendBroadcastAsUser(intent, user,
7906                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT);
7907    }
7908
7909    private ComponentName matchComponentForVerifier(String packageName,
7910            List<ResolveInfo> receivers) {
7911        ActivityInfo targetReceiver = null;
7912
7913        final int NR = receivers.size();
7914        for (int i = 0; i < NR; i++) {
7915            final ResolveInfo info = receivers.get(i);
7916            if (info.activityInfo == null) {
7917                continue;
7918            }
7919
7920            if (packageName.equals(info.activityInfo.packageName)) {
7921                targetReceiver = info.activityInfo;
7922                break;
7923            }
7924        }
7925
7926        if (targetReceiver == null) {
7927            return null;
7928        }
7929
7930        return new ComponentName(targetReceiver.packageName, targetReceiver.name);
7931    }
7932
7933    private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo,
7934            List<ResolveInfo> receivers, final PackageVerificationState verificationState) {
7935        if (pkgInfo.verifiers.length == 0) {
7936            return null;
7937        }
7938
7939        final int N = pkgInfo.verifiers.length;
7940        final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1);
7941        for (int i = 0; i < N; i++) {
7942            final VerifierInfo verifierInfo = pkgInfo.verifiers[i];
7943
7944            final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName,
7945                    receivers);
7946            if (comp == null) {
7947                continue;
7948            }
7949
7950            final int verifierUid = getUidForVerifier(verifierInfo);
7951            if (verifierUid == -1) {
7952                continue;
7953            }
7954
7955            if (DEBUG_VERIFY) {
7956                Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName
7957                        + " with the correct signature");
7958            }
7959            sufficientVerifiers.add(comp);
7960            verificationState.addSufficientVerifier(verifierUid);
7961        }
7962
7963        return sufficientVerifiers;
7964    }
7965
7966    private int getUidForVerifier(VerifierInfo verifierInfo) {
7967        synchronized (mPackages) {
7968            final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName);
7969            if (pkg == null) {
7970                return -1;
7971            } else if (pkg.mSignatures.length != 1) {
7972                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
7973                        + " has more than one signature; ignoring");
7974                return -1;
7975            }
7976
7977            /*
7978             * If the public key of the package's signature does not match
7979             * our expected public key, then this is a different package and
7980             * we should skip.
7981             */
7982
7983            final byte[] expectedPublicKey;
7984            try {
7985                final Signature verifierSig = pkg.mSignatures[0];
7986                final PublicKey publicKey = verifierSig.getPublicKey();
7987                expectedPublicKey = publicKey.getEncoded();
7988            } catch (CertificateException e) {
7989                return -1;
7990            }
7991
7992            final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded();
7993
7994            if (!Arrays.equals(actualPublicKey, expectedPublicKey)) {
7995                Slog.i(TAG, "Verifier package " + verifierInfo.packageName
7996                        + " does not have the expected public key; ignoring");
7997                return -1;
7998            }
7999
8000            return pkg.applicationInfo.uid;
8001        }
8002    }
8003
8004    @Override
8005    public void finishPackageInstall(int token) {
8006        enforceSystemOrRoot("Only the system is allowed to finish installs");
8007
8008        if (DEBUG_INSTALL) {
8009            Slog.v(TAG, "BM finishing package install for " + token);
8010        }
8011
8012        final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
8013        mHandler.sendMessage(msg);
8014    }
8015
8016    /**
8017     * Get the verification agent timeout.
8018     *
8019     * @return verification timeout in milliseconds
8020     */
8021    private long getVerificationTimeout() {
8022        return android.provider.Settings.Global.getLong(mContext.getContentResolver(),
8023                android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT,
8024                DEFAULT_VERIFICATION_TIMEOUT);
8025    }
8026
8027    /**
8028     * Get the default verification agent response code.
8029     *
8030     * @return default verification response code
8031     */
8032    private int getDefaultVerificationResponse() {
8033        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8034                android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE,
8035                DEFAULT_VERIFICATION_RESPONSE);
8036    }
8037
8038    /**
8039     * Check whether or not package verification has been enabled.
8040     *
8041     * @return true if verification should be performed
8042     */
8043    private boolean isVerificationEnabled(int flags) {
8044        if (!DEFAULT_VERIFY_ENABLE) {
8045            return false;
8046        }
8047
8048        // Check if installing from ADB
8049        if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) {
8050            // Do not run verification in a test harness environment
8051            if (ActivityManager.isRunningInTestHarness()) {
8052                return false;
8053            }
8054            // Check if the developer does not want package verification for ADB installs
8055            if (android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8056                    android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) {
8057                return false;
8058            }
8059        }
8060
8061        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8062                android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1;
8063    }
8064
8065    /**
8066     * Get the "allow unknown sources" setting.
8067     *
8068     * @return the current "allow unknown sources" setting
8069     */
8070    private int getUnknownSourcesSettings() {
8071        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
8072                android.provider.Settings.Global.INSTALL_NON_MARKET_APPS,
8073                -1);
8074    }
8075
8076    @Override
8077    public void setInstallerPackageName(String targetPackage, String installerPackageName) {
8078        final int uid = Binder.getCallingUid();
8079        // writer
8080        synchronized (mPackages) {
8081            PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage);
8082            if (targetPackageSetting == null) {
8083                throw new IllegalArgumentException("Unknown target package: " + targetPackage);
8084            }
8085
8086            PackageSetting installerPackageSetting;
8087            if (installerPackageName != null) {
8088                installerPackageSetting = mSettings.mPackages.get(installerPackageName);
8089                if (installerPackageSetting == null) {
8090                    throw new IllegalArgumentException("Unknown installer package: "
8091                            + installerPackageName);
8092                }
8093            } else {
8094                installerPackageSetting = null;
8095            }
8096
8097            Signature[] callerSignature;
8098            Object obj = mSettings.getUserIdLPr(uid);
8099            if (obj != null) {
8100                if (obj instanceof SharedUserSetting) {
8101                    callerSignature = ((SharedUserSetting)obj).signatures.mSignatures;
8102                } else if (obj instanceof PackageSetting) {
8103                    callerSignature = ((PackageSetting)obj).signatures.mSignatures;
8104                } else {
8105                    throw new SecurityException("Bad object " + obj + " for uid " + uid);
8106                }
8107            } else {
8108                throw new SecurityException("Unknown calling uid " + uid);
8109            }
8110
8111            // Verify: can't set installerPackageName to a package that is
8112            // not signed with the same cert as the caller.
8113            if (installerPackageSetting != null) {
8114                if (compareSignatures(callerSignature,
8115                        installerPackageSetting.signatures.mSignatures)
8116                        != PackageManager.SIGNATURE_MATCH) {
8117                    throw new SecurityException(
8118                            "Caller does not have same cert as new installer package "
8119                            + installerPackageName);
8120                }
8121            }
8122
8123            // Verify: if target already has an installer package, it must
8124            // be signed with the same cert as the caller.
8125            if (targetPackageSetting.installerPackageName != null) {
8126                PackageSetting setting = mSettings.mPackages.get(
8127                        targetPackageSetting.installerPackageName);
8128                // If the currently set package isn't valid, then it's always
8129                // okay to change it.
8130                if (setting != null) {
8131                    if (compareSignatures(callerSignature,
8132                            setting.signatures.mSignatures)
8133                            != PackageManager.SIGNATURE_MATCH) {
8134                        throw new SecurityException(
8135                                "Caller does not have same cert as old installer package "
8136                                + targetPackageSetting.installerPackageName);
8137                    }
8138                }
8139            }
8140
8141            // Okay!
8142            targetPackageSetting.installerPackageName = installerPackageName;
8143            scheduleWriteSettingsLocked();
8144        }
8145    }
8146
8147    private void processPendingInstall(final InstallArgs args, final int currentStatus) {
8148        // Queue up an async operation since the package installation may take a little while.
8149        mHandler.post(new Runnable() {
8150            public void run() {
8151                mHandler.removeCallbacks(this);
8152                 // Result object to be returned
8153                PackageInstalledInfo res = new PackageInstalledInfo();
8154                res.returnCode = currentStatus;
8155                res.uid = -1;
8156                res.pkg = null;
8157                res.removedInfo = new PackageRemovedInfo();
8158                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
8159                    args.doPreInstall(res.returnCode);
8160                    synchronized (mInstallLock) {
8161                        installPackageLI(args, true, res);
8162                    }
8163                    args.doPostInstall(res.returnCode, res.uid);
8164                }
8165
8166                // A restore should be performed at this point if (a) the install
8167                // succeeded, (b) the operation is not an update, and (c) the new
8168                // package has a backupAgent defined.
8169                final boolean update = res.removedInfo.removedPackage != null;
8170                boolean doRestore = (!update
8171                        && res.pkg != null
8172                        && res.pkg.applicationInfo.backupAgentName != null);
8173
8174                // Set up the post-install work request bookkeeping.  This will be used
8175                // and cleaned up by the post-install event handling regardless of whether
8176                // there's a restore pass performed.  Token values are >= 1.
8177                int token;
8178                if (mNextInstallToken < 0) mNextInstallToken = 1;
8179                token = mNextInstallToken++;
8180
8181                PostInstallData data = new PostInstallData(args, res);
8182                mRunningInstalls.put(token, data);
8183                if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token);
8184
8185                if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) {
8186                    // Pass responsibility to the Backup Manager.  It will perform a
8187                    // restore if appropriate, then pass responsibility back to the
8188                    // Package Manager to run the post-install observer callbacks
8189                    // and broadcasts.
8190                    IBackupManager bm = IBackupManager.Stub.asInterface(
8191                            ServiceManager.getService(Context.BACKUP_SERVICE));
8192                    if (bm != null) {
8193                        if (DEBUG_INSTALL) Log.v(TAG, "token " + token
8194                                + " to BM for possible restore");
8195                        try {
8196                            bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token);
8197                        } catch (RemoteException e) {
8198                            // can't happen; the backup manager is local
8199                        } catch (Exception e) {
8200                            Slog.e(TAG, "Exception trying to enqueue restore", e);
8201                            doRestore = false;
8202                        }
8203                    } else {
8204                        Slog.e(TAG, "Backup Manager not found!");
8205                        doRestore = false;
8206                    }
8207                }
8208
8209                if (!doRestore) {
8210                    // No restore possible, or the Backup Manager was mysteriously not
8211                    // available -- just fire the post-install work request directly.
8212                    if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token);
8213                    Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
8214                    mHandler.sendMessage(msg);
8215                }
8216            }
8217        });
8218    }
8219
8220    private abstract class HandlerParams {
8221        private static final int MAX_RETRIES = 4;
8222
8223        /**
8224         * Number of times startCopy() has been attempted and had a non-fatal
8225         * error.
8226         */
8227        private int mRetries = 0;
8228
8229        /** User handle for the user requesting the information or installation. */
8230        private final UserHandle mUser;
8231
8232        HandlerParams(UserHandle user) {
8233            mUser = user;
8234        }
8235
8236        UserHandle getUser() {
8237            return mUser;
8238        }
8239
8240        final boolean startCopy() {
8241            boolean res;
8242            try {
8243                if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this);
8244
8245                if (++mRetries > MAX_RETRIES) {
8246                    Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up");
8247                    mHandler.sendEmptyMessage(MCS_GIVE_UP);
8248                    handleServiceError();
8249                    return false;
8250                } else {
8251                    handleStartCopy();
8252                    res = true;
8253                }
8254            } catch (RemoteException e) {
8255                if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT");
8256                mHandler.sendEmptyMessage(MCS_RECONNECT);
8257                res = false;
8258            }
8259            handleReturnCode();
8260            return res;
8261        }
8262
8263        final void serviceError() {
8264            if (DEBUG_INSTALL) Slog.i(TAG, "serviceError");
8265            handleServiceError();
8266            handleReturnCode();
8267        }
8268
8269        abstract void handleStartCopy() throws RemoteException;
8270        abstract void handleServiceError();
8271        abstract void handleReturnCode();
8272    }
8273
8274    class MeasureParams extends HandlerParams {
8275        private final PackageStats mStats;
8276        private boolean mSuccess;
8277
8278        private final IPackageStatsObserver mObserver;
8279
8280        public MeasureParams(PackageStats stats, IPackageStatsObserver observer) {
8281            super(new UserHandle(stats.userHandle));
8282            mObserver = observer;
8283            mStats = stats;
8284        }
8285
8286        @Override
8287        public String toString() {
8288            return "MeasureParams{"
8289                + Integer.toHexString(System.identityHashCode(this))
8290                + " " + mStats.packageName + "}";
8291        }
8292
8293        @Override
8294        void handleStartCopy() throws RemoteException {
8295            synchronized (mInstallLock) {
8296                mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats);
8297            }
8298
8299            if (mSuccess) {
8300                final boolean mounted;
8301                if (Environment.isExternalStorageEmulated()) {
8302                    mounted = true;
8303                } else {
8304                    final String status = Environment.getExternalStorageState();
8305                    mounted = (Environment.MEDIA_MOUNTED.equals(status)
8306                            || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status));
8307                }
8308
8309                if (mounted) {
8310                    final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle);
8311
8312                    mStats.externalCacheSize = calculateDirectorySize(mContainerService,
8313                            userEnv.buildExternalStorageAppCacheDirs(mStats.packageName));
8314
8315                    mStats.externalDataSize = calculateDirectorySize(mContainerService,
8316                            userEnv.buildExternalStorageAppDataDirs(mStats.packageName));
8317
8318                    // Always subtract cache size, since it's a subdirectory
8319                    mStats.externalDataSize -= mStats.externalCacheSize;
8320
8321                    mStats.externalMediaSize = calculateDirectorySize(mContainerService,
8322                            userEnv.buildExternalStorageAppMediaDirs(mStats.packageName));
8323
8324                    mStats.externalObbSize = calculateDirectorySize(mContainerService,
8325                            userEnv.buildExternalStorageAppObbDirs(mStats.packageName));
8326                }
8327            }
8328        }
8329
8330        @Override
8331        void handleReturnCode() {
8332            if (mObserver != null) {
8333                try {
8334                    mObserver.onGetStatsCompleted(mStats, mSuccess);
8335                } catch (RemoteException e) {
8336                    Slog.i(TAG, "Observer no longer exists.");
8337                }
8338            }
8339        }
8340
8341        @Override
8342        void handleServiceError() {
8343            Slog.e(TAG, "Could not measure application " + mStats.packageName
8344                            + " external storage");
8345        }
8346    }
8347
8348    private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths)
8349            throws RemoteException {
8350        long result = 0;
8351        for (File path : paths) {
8352            result += mcs.calculateDirectorySize(path.getAbsolutePath());
8353        }
8354        return result;
8355    }
8356
8357    private static void clearDirectory(IMediaContainerService mcs, File[] paths) {
8358        for (File path : paths) {
8359            try {
8360                mcs.clearDirectory(path.getAbsolutePath());
8361            } catch (RemoteException e) {
8362            }
8363        }
8364    }
8365
8366    class InstallParams extends HandlerParams {
8367        final IPackageInstallObserver observer;
8368        final IPackageInstallObserver2 observer2;
8369        int flags;
8370
8371        private final Uri mPackageURI;
8372        final String installerPackageName;
8373        final VerificationParams verificationParams;
8374        private InstallArgs mArgs;
8375        private int mRet;
8376        private File mTempPackage;
8377        final ContainerEncryptionParams encryptionParams;
8378        final String packageAbiOverride;
8379        final String packageInstructionSetOverride;
8380
8381        InstallParams(Uri packageURI,
8382                IPackageInstallObserver observer, IPackageInstallObserver2 observer2,
8383                int flags, String installerPackageName, VerificationParams verificationParams,
8384                ContainerEncryptionParams encryptionParams, UserHandle user,
8385                String packageAbiOverride) {
8386            super(user);
8387            this.mPackageURI = packageURI;
8388            this.flags = flags;
8389            this.observer = observer;
8390            this.observer2 = observer2;
8391            this.installerPackageName = installerPackageName;
8392            this.verificationParams = verificationParams;
8393            this.encryptionParams = encryptionParams;
8394            this.packageAbiOverride = packageAbiOverride;
8395            this.packageInstructionSetOverride = (packageAbiOverride == null) ?
8396                    packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride);
8397        }
8398
8399        @Override
8400        public String toString() {
8401            return "InstallParams{"
8402                + Integer.toHexString(System.identityHashCode(this))
8403                + " " + mPackageURI + "}";
8404        }
8405
8406        public ManifestDigest getManifestDigest() {
8407            if (verificationParams == null) {
8408                return null;
8409            }
8410            return verificationParams.getManifestDigest();
8411        }
8412
8413        private int installLocationPolicy(PackageInfoLite pkgLite, int flags) {
8414            String packageName = pkgLite.packageName;
8415            int installLocation = pkgLite.installLocation;
8416            boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0;
8417            // reader
8418            synchronized (mPackages) {
8419                PackageParser.Package pkg = mPackages.get(packageName);
8420                if (pkg != null) {
8421                    if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
8422                        // Check for downgrading.
8423                        if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) {
8424                            if (pkgLite.versionCode < pkg.mVersionCode) {
8425                                Slog.w(TAG, "Can't install update of " + packageName
8426                                        + " update version " + pkgLite.versionCode
8427                                        + " is older than installed version "
8428                                        + pkg.mVersionCode);
8429                                return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE;
8430                            }
8431                        }
8432                        // Check for updated system application.
8433                        if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
8434                            if (onSd) {
8435                                Slog.w(TAG, "Cannot install update to system app on sdcard");
8436                                return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION;
8437                            }
8438                            return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
8439                        } else {
8440                            if (onSd) {
8441                                // Install flag overrides everything.
8442                                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
8443                            }
8444                            // If current upgrade specifies particular preference
8445                            if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) {
8446                                // Application explicitly specified internal.
8447                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
8448                            } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) {
8449                                // App explictly prefers external. Let policy decide
8450                            } else {
8451                                // Prefer previous location
8452                                if (isExternal(pkg)) {
8453                                    return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
8454                                }
8455                                return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
8456                            }
8457                        }
8458                    } else {
8459                        // Invalid install. Return error code
8460                        return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS;
8461                    }
8462                }
8463            }
8464            // All the special cases have been taken care of.
8465            // Return result based on recommended install location.
8466            if (onSd) {
8467                return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
8468            }
8469            return pkgLite.recommendedInstallLocation;
8470        }
8471
8472        private long getMemoryLowThreshold() {
8473            final DeviceStorageMonitorInternal
8474                    dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
8475            if (dsm == null) {
8476                return 0L;
8477            }
8478            return dsm.getMemoryLowThreshold();
8479        }
8480
8481        /*
8482         * Invoke remote method to get package information and install
8483         * location values. Override install location based on default
8484         * policy if needed and then create install arguments based
8485         * on the install location.
8486         */
8487        public void handleStartCopy() throws RemoteException {
8488            int ret = PackageManager.INSTALL_SUCCEEDED;
8489            final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0;
8490            final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0;
8491            PackageInfoLite pkgLite = null;
8492
8493            if (onInt && onSd) {
8494                // Check if both bits are set.
8495                Slog.w(TAG, "Conflicting flags specified for installing on both internal and external");
8496                ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
8497            } else {
8498                final long lowThreshold = getMemoryLowThreshold();
8499                if (lowThreshold == 0L) {
8500                    Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed");
8501                }
8502
8503                try {
8504                    mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI,
8505                            Intent.FLAG_GRANT_READ_URI_PERMISSION);
8506
8507                    final File packageFile;
8508                    if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) {
8509                        mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir);
8510                        if (mTempPackage != null) {
8511                            ParcelFileDescriptor out;
8512                            try {
8513                                out = ParcelFileDescriptor.open(mTempPackage,
8514                                        ParcelFileDescriptor.MODE_READ_WRITE);
8515                            } catch (FileNotFoundException e) {
8516                                out = null;
8517                                Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI);
8518                            }
8519
8520                            // Make a temporary file for decryption.
8521                            ret = mContainerService
8522                                    .copyResource(mPackageURI, encryptionParams, out);
8523                            IoUtils.closeQuietly(out);
8524
8525                            packageFile = mTempPackage;
8526
8527                            FileUtils.setPermissions(packageFile.getAbsolutePath(),
8528                                    FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP
8529                                            | FileUtils.S_IROTH,
8530                                    -1, -1);
8531                        } else {
8532                            packageFile = null;
8533                        }
8534                    } else {
8535                        packageFile = new File(mPackageURI.getPath());
8536                    }
8537
8538                    if (packageFile != null) {
8539                        // Remote call to find out default install location
8540                        final String packageFilePath = packageFile.getAbsolutePath();
8541                        pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags,
8542                                lowThreshold, packageAbiOverride);
8543
8544                        /*
8545                         * If we have too little free space, try to free cache
8546                         * before giving up.
8547                         */
8548                        if (pkgLite.recommendedInstallLocation
8549                                == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
8550                            final long size = mContainerService.calculateInstalledSize(
8551                                    packageFilePath, isForwardLocked(), packageAbiOverride);
8552                            if (mInstaller.freeCache(size + lowThreshold) >= 0) {
8553                                pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath,
8554                                        flags, lowThreshold, packageAbiOverride);
8555                            }
8556                            /*
8557                             * The cache free must have deleted the file we
8558                             * downloaded to install.
8559                             *
8560                             * TODO: fix the "freeCache" call to not delete
8561                             *       the file we care about.
8562                             */
8563                            if (pkgLite.recommendedInstallLocation
8564                                    == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
8565                                pkgLite.recommendedInstallLocation
8566                                    = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE;
8567                            }
8568                        }
8569                    }
8570                } finally {
8571                    mContext.revokeUriPermission(mPackageURI,
8572                            Intent.FLAG_GRANT_READ_URI_PERMISSION);
8573                }
8574            }
8575
8576            if (ret == PackageManager.INSTALL_SUCCEEDED) {
8577                int loc = pkgLite.recommendedInstallLocation;
8578                if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) {
8579                    ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
8580                } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) {
8581                    ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
8582                } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
8583                    ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
8584                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) {
8585                    ret = PackageManager.INSTALL_FAILED_INVALID_APK;
8586                } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) {
8587                    ret = PackageManager.INSTALL_FAILED_INVALID_URI;
8588                } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) {
8589                    ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE;
8590                } else {
8591                    // Override with defaults if needed.
8592                    loc = installLocationPolicy(pkgLite, flags);
8593                    if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) {
8594                        ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE;
8595                    } else if (!onSd && !onInt) {
8596                        // Override install location with flags
8597                        if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) {
8598                            // Set the flag to install on external media.
8599                            flags |= PackageManager.INSTALL_EXTERNAL;
8600                            flags &= ~PackageManager.INSTALL_INTERNAL;
8601                        } else {
8602                            // Make sure the flag for installing on external
8603                            // media is unset
8604                            flags |= PackageManager.INSTALL_INTERNAL;
8605                            flags &= ~PackageManager.INSTALL_EXTERNAL;
8606                        }
8607                    }
8608                }
8609            }
8610
8611            final InstallArgs args = createInstallArgs(this);
8612            mArgs = args;
8613
8614            if (ret == PackageManager.INSTALL_SUCCEEDED) {
8615                 /*
8616                 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by
8617                 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER.
8618                 */
8619                int userIdentifier = getUser().getIdentifier();
8620                if (userIdentifier == UserHandle.USER_ALL
8621                        && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) {
8622                    userIdentifier = UserHandle.USER_OWNER;
8623                }
8624
8625                /*
8626                 * Determine if we have any installed package verifiers. If we
8627                 * do, then we'll defer to them to verify the packages.
8628                 */
8629                final int requiredUid = mRequiredVerifierPackage == null ? -1
8630                        : getPackageUid(mRequiredVerifierPackage, userIdentifier);
8631                if (requiredUid != -1 && isVerificationEnabled(flags)) {
8632                    final Intent verification = new Intent(
8633                            Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
8634                    verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE);
8635                    verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
8636
8637                    final List<ResolveInfo> receivers = queryIntentReceivers(verification,
8638                            PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS,
8639                            0 /* TODO: Which userId? */);
8640
8641                    if (DEBUG_VERIFY) {
8642                        Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent "
8643                                + verification.toString() + " with " + pkgLite.verifiers.length
8644                                + " optional verifiers");
8645                    }
8646
8647                    final int verificationId = mPendingVerificationToken++;
8648
8649                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
8650
8651                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE,
8652                            installerPackageName);
8653
8654                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags);
8655
8656                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME,
8657                            pkgLite.packageName);
8658
8659                    verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE,
8660                            pkgLite.versionCode);
8661
8662                    if (verificationParams != null) {
8663                        if (verificationParams.getVerificationURI() != null) {
8664                           verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI,
8665                                 verificationParams.getVerificationURI());
8666                        }
8667                        if (verificationParams.getOriginatingURI() != null) {
8668                            verification.putExtra(Intent.EXTRA_ORIGINATING_URI,
8669                                  verificationParams.getOriginatingURI());
8670                        }
8671                        if (verificationParams.getReferrer() != null) {
8672                            verification.putExtra(Intent.EXTRA_REFERRER,
8673                                  verificationParams.getReferrer());
8674                        }
8675                        if (verificationParams.getOriginatingUid() >= 0) {
8676                            verification.putExtra(Intent.EXTRA_ORIGINATING_UID,
8677                                  verificationParams.getOriginatingUid());
8678                        }
8679                        if (verificationParams.getInstallerUid() >= 0) {
8680                            verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID,
8681                                  verificationParams.getInstallerUid());
8682                        }
8683                    }
8684
8685                    final PackageVerificationState verificationState = new PackageVerificationState(
8686                            requiredUid, args);
8687
8688                    mPendingVerification.append(verificationId, verificationState);
8689
8690                    final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite,
8691                            receivers, verificationState);
8692
8693                    /*
8694                     * If any sufficient verifiers were listed in the package
8695                     * manifest, attempt to ask them.
8696                     */
8697                    if (sufficientVerifiers != null) {
8698                        final int N = sufficientVerifiers.size();
8699                        if (N == 0) {
8700                            Slog.i(TAG, "Additional verifiers required, but none installed.");
8701                            ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
8702                        } else {
8703                            for (int i = 0; i < N; i++) {
8704                                final ComponentName verifierComponent = sufficientVerifiers.get(i);
8705
8706                                final Intent sufficientIntent = new Intent(verification);
8707                                sufficientIntent.setComponent(verifierComponent);
8708
8709                                mContext.sendBroadcastAsUser(sufficientIntent, getUser());
8710                            }
8711                        }
8712                    }
8713
8714                    final ComponentName requiredVerifierComponent = matchComponentForVerifier(
8715                            mRequiredVerifierPackage, receivers);
8716                    if (ret == PackageManager.INSTALL_SUCCEEDED
8717                            && mRequiredVerifierPackage != null) {
8718                        /*
8719                         * Send the intent to the required verification agent,
8720                         * but only start the verification timeout after the
8721                         * target BroadcastReceivers have run.
8722                         */
8723                        verification.setComponent(requiredVerifierComponent);
8724                        mContext.sendOrderedBroadcastAsUser(verification, getUser(),
8725                                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
8726                                new BroadcastReceiver() {
8727                                    @Override
8728                                    public void onReceive(Context context, Intent intent) {
8729                                        final Message msg = mHandler
8730                                                .obtainMessage(CHECK_PENDING_VERIFICATION);
8731                                        msg.arg1 = verificationId;
8732                                        mHandler.sendMessageDelayed(msg, getVerificationTimeout());
8733                                    }
8734                                }, null, 0, null, null);
8735
8736                        /*
8737                         * We don't want the copy to proceed until verification
8738                         * succeeds, so null out this field.
8739                         */
8740                        mArgs = null;
8741                    }
8742                } else {
8743                    /*
8744                     * No package verification is enabled, so immediately start
8745                     * the remote call to initiate copy using temporary file.
8746                     */
8747                    ret = args.copyApk(mContainerService, true);
8748                }
8749            }
8750
8751            mRet = ret;
8752        }
8753
8754        @Override
8755        void handleReturnCode() {
8756            // If mArgs is null, then MCS couldn't be reached. When it
8757            // reconnects, it will try again to install. At that point, this
8758            // will succeed.
8759            if (mArgs != null) {
8760                processPendingInstall(mArgs, mRet);
8761
8762                if (mTempPackage != null) {
8763                    if (!mTempPackage.delete()) {
8764                        Slog.w(TAG, "Couldn't delete temporary file: " +
8765                                mTempPackage.getAbsolutePath());
8766                    }
8767                }
8768            }
8769        }
8770
8771        @Override
8772        void handleServiceError() {
8773            mArgs = createInstallArgs(this);
8774            mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
8775        }
8776
8777        public boolean isForwardLocked() {
8778            return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
8779        }
8780
8781        public Uri getPackageUri() {
8782            if (mTempPackage != null) {
8783                return Uri.fromFile(mTempPackage);
8784            } else {
8785                return mPackageURI;
8786            }
8787        }
8788    }
8789
8790    /*
8791     * Utility class used in movePackage api.
8792     * srcArgs and targetArgs are not set for invalid flags and make
8793     * sure to do null checks when invoking methods on them.
8794     * We probably want to return ErrorPrams for both failed installs
8795     * and moves.
8796     */
8797    class MoveParams extends HandlerParams {
8798        final IPackageMoveObserver observer;
8799        final int flags;
8800        final String packageName;
8801        final InstallArgs srcArgs;
8802        final InstallArgs targetArgs;
8803        int uid;
8804        int mRet;
8805
8806        MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags,
8807                String packageName, String dataDir, String instructionSet,
8808                int uid, UserHandle user) {
8809            super(user);
8810            this.srcArgs = srcArgs;
8811            this.observer = observer;
8812            this.flags = flags;
8813            this.packageName = packageName;
8814            this.uid = uid;
8815            if (srcArgs != null) {
8816                Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath()));
8817                targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet);
8818            } else {
8819                targetArgs = null;
8820            }
8821        }
8822
8823        @Override
8824        public String toString() {
8825            return "MoveParams{"
8826                + Integer.toHexString(System.identityHashCode(this))
8827                + " " + packageName + "}";
8828        }
8829
8830        public void handleStartCopy() throws RemoteException {
8831            mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
8832            // Check for storage space on target medium
8833            if (!targetArgs.checkFreeStorage(mContainerService)) {
8834                Log.w(TAG, "Insufficient storage to install");
8835                return;
8836            }
8837
8838            mRet = srcArgs.doPreCopy();
8839            if (mRet != PackageManager.INSTALL_SUCCEEDED) {
8840                return;
8841            }
8842
8843            mRet = targetArgs.copyApk(mContainerService, false);
8844            if (mRet != PackageManager.INSTALL_SUCCEEDED) {
8845                srcArgs.doPostCopy(uid);
8846                return;
8847            }
8848
8849            mRet = srcArgs.doPostCopy(uid);
8850            if (mRet != PackageManager.INSTALL_SUCCEEDED) {
8851                return;
8852            }
8853
8854            mRet = targetArgs.doPreInstall(mRet);
8855            if (mRet != PackageManager.INSTALL_SUCCEEDED) {
8856                return;
8857            }
8858
8859            if (DEBUG_SD_INSTALL) {
8860                StringBuilder builder = new StringBuilder();
8861                if (srcArgs != null) {
8862                    builder.append("src: ");
8863                    builder.append(srcArgs.getCodePath());
8864                }
8865                if (targetArgs != null) {
8866                    builder.append(" target : ");
8867                    builder.append(targetArgs.getCodePath());
8868                }
8869                Log.i(TAG, builder.toString());
8870            }
8871        }
8872
8873        @Override
8874        void handleReturnCode() {
8875            targetArgs.doPostInstall(mRet, uid);
8876            int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
8877            if (mRet == PackageManager.INSTALL_SUCCEEDED) {
8878                currentStatus = PackageManager.MOVE_SUCCEEDED;
8879            } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){
8880                currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE;
8881            }
8882            processPendingMove(this, currentStatus);
8883        }
8884
8885        @Override
8886        void handleServiceError() {
8887            mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
8888        }
8889    }
8890
8891    /**
8892     * Used during creation of InstallArgs
8893     *
8894     * @param flags package installation flags
8895     * @return true if should be installed on external storage
8896     */
8897    private static boolean installOnSd(int flags) {
8898        if ((flags & PackageManager.INSTALL_INTERNAL) != 0) {
8899            return false;
8900        }
8901        if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) {
8902            return true;
8903        }
8904        return false;
8905    }
8906
8907    /**
8908     * Used during creation of InstallArgs
8909     *
8910     * @param flags package installation flags
8911     * @return true if should be installed as forward locked
8912     */
8913    private static boolean installForwardLocked(int flags) {
8914        return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
8915    }
8916
8917    private InstallArgs createInstallArgs(InstallParams params) {
8918        if (installOnSd(params.flags) || params.isForwardLocked()) {
8919            return new AsecInstallArgs(params);
8920        } else {
8921            return new FileInstallArgs(params);
8922        }
8923    }
8924
8925    private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath,
8926            String nativeLibraryPath, String instructionSet) {
8927        final boolean isInAsec;
8928        if (installOnSd(flags)) {
8929            /* Apps on SD card are always in ASEC containers. */
8930            isInAsec = true;
8931        } else if (installForwardLocked(flags)
8932                && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) {
8933            /*
8934             * Forward-locked apps are only in ASEC containers if they're the
8935             * new style
8936             */
8937            isInAsec = true;
8938        } else {
8939            isInAsec = false;
8940        }
8941
8942        if (isInAsec) {
8943            return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath,
8944                    instructionSet, installOnSd(flags), installForwardLocked(flags));
8945        } else {
8946            return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath,
8947                    instructionSet);
8948        }
8949    }
8950
8951    // Used by package mover
8952    private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir,
8953            String instructionSet) {
8954        if (installOnSd(flags) || installForwardLocked(flags)) {
8955            String cid = getNextCodePath(packageURI.getPath(), pkgName, "/"
8956                    + AsecInstallArgs.RES_FILE_NAME);
8957            return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags),
8958                    installForwardLocked(flags));
8959        } else {
8960            return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet);
8961        }
8962    }
8963
8964    static abstract class InstallArgs {
8965        final IPackageInstallObserver observer;
8966        final IPackageInstallObserver2 observer2;
8967        // Always refers to PackageManager flags only
8968        final int flags;
8969        final Uri packageURI;
8970        final String installerPackageName;
8971        final ManifestDigest manifestDigest;
8972        final UserHandle user;
8973        final String instructionSet;
8974        final String abiOverride;
8975
8976        InstallArgs(Uri packageURI,
8977                IPackageInstallObserver observer, IPackageInstallObserver2 observer2,
8978                int flags, String installerPackageName, ManifestDigest manifestDigest,
8979                UserHandle user, String instructionSet, String abiOverride) {
8980            this.packageURI = packageURI;
8981            this.flags = flags;
8982            this.observer = observer;
8983            this.observer2 = observer2;
8984            this.installerPackageName = installerPackageName;
8985            this.manifestDigest = manifestDigest;
8986            this.user = user;
8987            this.instructionSet = instructionSet;
8988            this.abiOverride = abiOverride;
8989        }
8990
8991        abstract void createCopyFile();
8992        abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException;
8993        abstract int doPreInstall(int status);
8994        abstract boolean doRename(int status, String pkgName, String oldCodePath);
8995
8996        abstract int doPostInstall(int status, int uid);
8997        abstract String getCodePath();
8998        abstract String getResourcePath();
8999        abstract String getNativeLibraryPath();
9000        // Need installer lock especially for dex file removal.
9001        abstract void cleanUpResourcesLI();
9002        abstract boolean doPostDeleteLI(boolean delete);
9003        abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException;
9004
9005        String[] getSplitCodePaths() {
9006            return null;
9007        }
9008
9009        /**
9010         * Called before the source arguments are copied. This is used mostly
9011         * for MoveParams when it needs to read the source file to put it in the
9012         * destination.
9013         */
9014        int doPreCopy() {
9015            return PackageManager.INSTALL_SUCCEEDED;
9016        }
9017
9018        /**
9019         * Called after the source arguments are copied. This is used mostly for
9020         * MoveParams when it needs to read the source file to put it in the
9021         * destination.
9022         *
9023         * @return
9024         */
9025        int doPostCopy(int uid) {
9026            return PackageManager.INSTALL_SUCCEEDED;
9027        }
9028
9029        protected boolean isFwdLocked() {
9030            return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
9031        }
9032
9033        UserHandle getUser() {
9034            return user;
9035        }
9036    }
9037
9038    class FileInstallArgs extends InstallArgs {
9039        File installDir;
9040        String codeFileName;
9041        String resourceFileName;
9042        String libraryPath;
9043        boolean created = false;
9044
9045        FileInstallArgs(InstallParams params) {
9046            super(params.getPackageUri(), params.observer, params.observer2, params.flags,
9047                    params.installerPackageName, params.getManifestDigest(),
9048                    params.getUser(), params.packageInstructionSetOverride,
9049                    params.packageAbiOverride);
9050        }
9051
9052        FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath,
9053                String instructionSet) {
9054            super(null, null, null, 0, null, null, null, instructionSet, null);
9055            File codeFile = new File(fullCodePath);
9056            installDir = codeFile.getParentFile();
9057            codeFileName = fullCodePath;
9058            resourceFileName = fullResourcePath;
9059            libraryPath = nativeLibraryPath;
9060        }
9061
9062        FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) {
9063            super(packageURI, null, null, 0, null, null, null, instructionSet, null);
9064            installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir;
9065            String apkName = getNextCodePath(null, pkgName, ".apk");
9066            codeFileName = new File(installDir, apkName + ".apk").getPath();
9067            resourceFileName = getResourcePathFromCodePath();
9068            libraryPath = new File(mAppLibInstallDir, pkgName).getPath();
9069        }
9070
9071        boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException {
9072            final long lowThreshold;
9073
9074            final DeviceStorageMonitorInternal
9075                    dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
9076            if (dsm == null) {
9077                Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed");
9078                lowThreshold = 0L;
9079            } else {
9080                if (dsm.isMemoryLow()) {
9081                    Log.w(TAG, "Memory is reported as being too low; aborting package install");
9082                    return false;
9083                }
9084
9085                lowThreshold = dsm.getMemoryLowThreshold();
9086            }
9087
9088            try {
9089                mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI,
9090                        Intent.FLAG_GRANT_READ_URI_PERMISSION);
9091                return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold);
9092            } finally {
9093                mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION);
9094            }
9095        }
9096
9097        void createCopyFile() {
9098            installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir;
9099            codeFileName = createTempPackageFile(installDir).getPath();
9100            resourceFileName = getResourcePathFromCodePath();
9101            libraryPath = getLibraryPathFromCodePath();
9102            created = true;
9103        }
9104
9105        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
9106            if (temp) {
9107                // Generate temp file name
9108                createCopyFile();
9109            }
9110            // Get a ParcelFileDescriptor to write to the output file
9111            File codeFile = new File(codeFileName);
9112            if (!created) {
9113                try {
9114                    codeFile.createNewFile();
9115                    // Set permissions
9116                    if (!setPermissions()) {
9117                        // Failed setting permissions.
9118                        return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
9119                    }
9120                } catch (IOException e) {
9121                   Slog.w(TAG, "Failed to create file " + codeFile);
9122                   return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
9123                }
9124            }
9125            ParcelFileDescriptor out = null;
9126            try {
9127                out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE);
9128            } catch (FileNotFoundException e) {
9129                Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName);
9130                return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
9131            }
9132            // Copy the resource now
9133            int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
9134            try {
9135                mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI,
9136                        Intent.FLAG_GRANT_READ_URI_PERMISSION);
9137                ret = imcs.copyResource(packageURI, null, out);
9138            } finally {
9139                IoUtils.closeQuietly(out);
9140                mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION);
9141            }
9142
9143            if (isFwdLocked()) {
9144                final File destResourceFile = new File(getResourcePath());
9145
9146                // Copy the public files
9147                try {
9148                    PackageHelper.extractPublicFiles(codeFileName, destResourceFile);
9149                } catch (IOException e) {
9150                    Slog.e(TAG, "Couldn't create a new zip file for the public parts of a"
9151                            + " forward-locked app.");
9152                    destResourceFile.delete();
9153                    return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
9154                }
9155            }
9156
9157            final File nativeLibraryFile = new File(getNativeLibraryPath());
9158            Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath());
9159            if (nativeLibraryFile.exists()) {
9160                NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile);
9161                nativeLibraryFile.delete();
9162            }
9163
9164            String[] abiList = (abiOverride != null) ?
9165                    new String[] { abiOverride } : Build.SUPPORTED_ABIS;
9166            ApkHandle handle = null;
9167            try {
9168                handle = ApkHandle.create(codeFile);
9169                if (Build.SUPPORTED_64_BIT_ABIS.length > 0 &&
9170                        abiOverride == null &&
9171                        NativeLibraryHelper.hasRenderscriptBitcode(handle)) {
9172                    abiList = Build.SUPPORTED_32_BIT_ABIS;
9173                }
9174
9175                int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList);
9176                if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) {
9177                    return copyRet;
9178                }
9179            } catch (IOException e) {
9180                Slog.e(TAG, "Copying native libraries failed", e);
9181                ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
9182            } finally {
9183                IoUtils.closeQuietly(handle);
9184            }
9185
9186            return ret;
9187        }
9188
9189        int doPreInstall(int status) {
9190            if (status != PackageManager.INSTALL_SUCCEEDED) {
9191                cleanUp();
9192            }
9193            return status;
9194        }
9195
9196        boolean doRename(int status, final String pkgName, String oldCodePath) {
9197            if (status != PackageManager.INSTALL_SUCCEEDED) {
9198                cleanUp();
9199                return false;
9200            } else {
9201                final File oldCodeFile = new File(getCodePath());
9202                final File oldResourceFile = new File(getResourcePath());
9203                final File oldLibraryFile = new File(getNativeLibraryPath());
9204
9205                // Rename APK file based on packageName
9206                final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk");
9207                final File newCodeFile = new File(installDir, apkName + ".apk");
9208                if (!oldCodeFile.renameTo(newCodeFile)) {
9209                    return false;
9210                }
9211                codeFileName = newCodeFile.getPath();
9212
9213                // Rename public resource file if it's forward-locked.
9214                final File newResFile = new File(getResourcePathFromCodePath());
9215                if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) {
9216                    return false;
9217                }
9218                resourceFileName = newResFile.getPath();
9219
9220                // Rename library path
9221                final File newLibraryFile = new File(getLibraryPathFromCodePath());
9222                if (newLibraryFile.exists()) {
9223                    NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile);
9224                    newLibraryFile.delete();
9225                }
9226                if (!oldLibraryFile.renameTo(newLibraryFile)) {
9227                    Slog.e(TAG, "Cannot rename native library directory "
9228                            + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath());
9229                    return false;
9230                }
9231                libraryPath = newLibraryFile.getPath();
9232
9233                // Attempt to set permissions
9234                if (!setPermissions()) {
9235                    return false;
9236                }
9237
9238                if (!SELinux.restorecon(newCodeFile)) {
9239                    return false;
9240                }
9241
9242                return true;
9243            }
9244        }
9245
9246        int doPostInstall(int status, int uid) {
9247            if (status != PackageManager.INSTALL_SUCCEEDED) {
9248                cleanUp();
9249            }
9250            return status;
9251        }
9252
9253        private String getResourcePathFromCodePath() {
9254            final String codePath = getCodePath();
9255            if (isFwdLocked()) {
9256                final StringBuilder sb = new StringBuilder();
9257
9258                sb.append(mAppInstallDir.getPath());
9259                sb.append('/');
9260                sb.append(getApkName(codePath));
9261                sb.append(".zip");
9262
9263                /*
9264                 * If our APK is a temporary file, mark the resource as a
9265                 * temporary file as well so it can be cleaned up after
9266                 * catastrophic failure.
9267                 */
9268                if (codePath.endsWith(".tmp")) {
9269                    sb.append(".tmp");
9270                }
9271
9272                return sb.toString();
9273            } else {
9274                return codePath;
9275            }
9276        }
9277
9278        private String getLibraryPathFromCodePath() {
9279            return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath();
9280        }
9281
9282        @Override
9283        String getCodePath() {
9284            return codeFileName;
9285        }
9286
9287        @Override
9288        String getResourcePath() {
9289            return resourceFileName;
9290        }
9291
9292        @Override
9293        String getNativeLibraryPath() {
9294            if (libraryPath == null) {
9295                libraryPath = getLibraryPathFromCodePath();
9296            }
9297            return libraryPath;
9298        }
9299
9300        private boolean cleanUp() {
9301            boolean ret = true;
9302            String sourceDir = getCodePath();
9303            String publicSourceDir = getResourcePath();
9304            if (sourceDir != null) {
9305                File sourceFile = new File(sourceDir);
9306                if (!sourceFile.exists()) {
9307                    Slog.w(TAG, "Package source " + sourceDir + " does not exist.");
9308                    ret = false;
9309                }
9310                // Delete application's code and resources
9311                sourceFile.delete();
9312            }
9313            if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) {
9314                final File publicSourceFile = new File(publicSourceDir);
9315                if (!publicSourceFile.exists()) {
9316                    Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist.");
9317                }
9318                if (publicSourceFile.exists()) {
9319                    publicSourceFile.delete();
9320                }
9321            }
9322
9323            if (libraryPath != null) {
9324                File nativeLibraryFile = new File(libraryPath);
9325                NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile);
9326                if (!nativeLibraryFile.delete()) {
9327                    Slog.w(TAG, "Couldn't delete native library directory " + libraryPath);
9328                }
9329            }
9330
9331            return ret;
9332        }
9333
9334        void cleanUpResourcesLI() {
9335            String sourceDir = getCodePath();
9336            if (cleanUp()) {
9337                if (instructionSet == null) {
9338                    throw new IllegalStateException("instructionSet == null");
9339                }
9340                int retCode = mInstaller.rmdex(sourceDir, instructionSet);
9341                if (retCode < 0) {
9342                    Slog.w(TAG, "Couldn't remove dex file for package: "
9343                            +  " at location "
9344                            + sourceDir + ", retcode=" + retCode);
9345                    // we don't consider this to be a failure of the core package deletion
9346                }
9347            }
9348        }
9349
9350        private boolean setPermissions() {
9351            // TODO Do this in a more elegant way later on. for now just a hack
9352            if (!isFwdLocked()) {
9353                final int filePermissions =
9354                    FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP
9355                    |FileUtils.S_IROTH;
9356                int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1);
9357                if (retCode != 0) {
9358                    Slog.e(TAG, "Couldn't set new package file permissions for " +
9359                            getCodePath()
9360                            + ". The return code was: " + retCode);
9361                    // TODO Define new internal error
9362                    return false;
9363                }
9364                return true;
9365            }
9366            return true;
9367        }
9368
9369        boolean doPostDeleteLI(boolean delete) {
9370            // XXX err, shouldn't we respect the delete flag?
9371            cleanUpResourcesLI();
9372            return true;
9373        }
9374    }
9375
9376    private boolean isAsecExternal(String cid) {
9377        final String asecPath = PackageHelper.getSdFilesystem(cid);
9378        return !asecPath.startsWith(mAsecInternalPath);
9379    }
9380
9381    /**
9382     * Extract the MountService "container ID" from the full code path of an
9383     * .apk.
9384     */
9385    static String cidFromCodePath(String fullCodePath) {
9386        int eidx = fullCodePath.lastIndexOf("/");
9387        String subStr1 = fullCodePath.substring(0, eidx);
9388        int sidx = subStr1.lastIndexOf("/");
9389        return subStr1.substring(sidx+1, eidx);
9390    }
9391
9392    class AsecInstallArgs extends InstallArgs {
9393        static final String RES_FILE_NAME = "pkg.apk";
9394        static final String PUBLIC_RES_FILE_NAME = "res.zip";
9395
9396        String cid;
9397        String packagePath;
9398        String resourcePath;
9399        String libraryPath;
9400
9401        AsecInstallArgs(InstallParams params) {
9402            super(params.getPackageUri(), params.observer, params.observer2, params.flags,
9403                    params.installerPackageName, params.getManifestDigest(),
9404                    params.getUser(), params.packageInstructionSetOverride,
9405                    params.packageAbiOverride);
9406        }
9407
9408        AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath,
9409                String instructionSet, boolean isExternal, boolean isForwardLocked) {
9410            super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0)
9411                    | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0),
9412                    null, null, null, instructionSet, null);
9413            // Extract cid from fullCodePath
9414            int eidx = fullCodePath.lastIndexOf("/");
9415            String subStr1 = fullCodePath.substring(0, eidx);
9416            int sidx = subStr1.lastIndexOf("/");
9417            cid = subStr1.substring(sidx+1, eidx);
9418            setCachePath(subStr1);
9419        }
9420
9421        AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) {
9422            super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0)
9423                    | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0),
9424                    null, null, null, instructionSet, null);
9425            this.cid = cid;
9426            setCachePath(PackageHelper.getSdDir(cid));
9427        }
9428
9429        AsecInstallArgs(Uri packageURI, String cid, String instructionSet,
9430                boolean isExternal, boolean isForwardLocked) {
9431            super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0)
9432                    | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0),
9433                    null, null, null, instructionSet, null);
9434            this.cid = cid;
9435        }
9436
9437        void createCopyFile() {
9438            cid = getTempContainerId();
9439        }
9440
9441        boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException {
9442            try {
9443                mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI,
9444                        Intent.FLAG_GRANT_READ_URI_PERMISSION);
9445                return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride);
9446            } finally {
9447                mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION);
9448            }
9449        }
9450
9451        private final boolean isExternal() {
9452            return (flags & PackageManager.INSTALL_EXTERNAL) != 0;
9453        }
9454
9455        int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
9456            if (temp) {
9457                createCopyFile();
9458            } else {
9459                /*
9460                 * Pre-emptively destroy the container since it's destroyed if
9461                 * copying fails due to it existing anyway.
9462                 */
9463                PackageHelper.destroySdDir(cid);
9464            }
9465
9466            final String newCachePath;
9467            try {
9468                mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI,
9469                        Intent.FLAG_GRANT_READ_URI_PERMISSION);
9470                newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(),
9471                        RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(),
9472                        abiOverride);
9473            } finally {
9474                mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION);
9475            }
9476
9477            if (newCachePath != null) {
9478                setCachePath(newCachePath);
9479                return PackageManager.INSTALL_SUCCEEDED;
9480            } else {
9481                return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9482            }
9483        }
9484
9485        @Override
9486        String getCodePath() {
9487            return packagePath;
9488        }
9489
9490        @Override
9491        String getResourcePath() {
9492            return resourcePath;
9493        }
9494
9495        @Override
9496        String getNativeLibraryPath() {
9497            return libraryPath;
9498        }
9499
9500        int doPreInstall(int status) {
9501            if (status != PackageManager.INSTALL_SUCCEEDED) {
9502                // Destroy container
9503                PackageHelper.destroySdDir(cid);
9504            } else {
9505                boolean mounted = PackageHelper.isContainerMounted(cid);
9506                if (!mounted) {
9507                    String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(),
9508                            Process.SYSTEM_UID);
9509                    if (newCachePath != null) {
9510                        setCachePath(newCachePath);
9511                    } else {
9512                        return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9513                    }
9514                }
9515            }
9516            return status;
9517        }
9518
9519        boolean doRename(int status, final String pkgName,
9520                String oldCodePath) {
9521            String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME);
9522            String newCachePath = null;
9523            if (PackageHelper.isContainerMounted(cid)) {
9524                // Unmount the container
9525                if (!PackageHelper.unMountSdDir(cid)) {
9526                    Slog.i(TAG, "Failed to unmount " + cid + " before renaming");
9527                    return false;
9528                }
9529            }
9530            if (!PackageHelper.renameSdDir(cid, newCacheId)) {
9531                Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId +
9532                        " which might be stale. Will try to clean up.");
9533                // Clean up the stale container and proceed to recreate.
9534                if (!PackageHelper.destroySdDir(newCacheId)) {
9535                    Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId);
9536                    return false;
9537                }
9538                // Successfully cleaned up stale container. Try to rename again.
9539                if (!PackageHelper.renameSdDir(cid, newCacheId)) {
9540                    Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId
9541                            + " inspite of cleaning it up.");
9542                    return false;
9543                }
9544            }
9545            if (!PackageHelper.isContainerMounted(newCacheId)) {
9546                Slog.w(TAG, "Mounting container " + newCacheId);
9547                newCachePath = PackageHelper.mountSdDir(newCacheId,
9548                        getEncryptKey(), Process.SYSTEM_UID);
9549            } else {
9550                newCachePath = PackageHelper.getSdDir(newCacheId);
9551            }
9552            if (newCachePath == null) {
9553                Slog.w(TAG, "Failed to get cache path for  " + newCacheId);
9554                return false;
9555            }
9556            Log.i(TAG, "Succesfully renamed " + cid +
9557                    " to " + newCacheId +
9558                    " at new path: " + newCachePath);
9559            cid = newCacheId;
9560            setCachePath(newCachePath);
9561            return true;
9562        }
9563
9564        private void setCachePath(String newCachePath) {
9565            File cachePath = new File(newCachePath);
9566            libraryPath = new File(cachePath, LIB_DIR_NAME).getPath();
9567            packagePath = new File(cachePath, RES_FILE_NAME).getPath();
9568
9569            if (isFwdLocked()) {
9570                resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath();
9571            } else {
9572                resourcePath = packagePath;
9573            }
9574        }
9575
9576        int doPostInstall(int status, int uid) {
9577            if (status != PackageManager.INSTALL_SUCCEEDED) {
9578                cleanUp();
9579            } else {
9580                final int groupOwner;
9581                final String protectedFile;
9582                if (isFwdLocked()) {
9583                    groupOwner = UserHandle.getSharedAppGid(uid);
9584                    protectedFile = RES_FILE_NAME;
9585                } else {
9586                    groupOwner = -1;
9587                    protectedFile = null;
9588                }
9589
9590                if (uid < Process.FIRST_APPLICATION_UID
9591                        || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) {
9592                    Slog.e(TAG, "Failed to finalize " + cid);
9593                    PackageHelper.destroySdDir(cid);
9594                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9595                }
9596
9597                boolean mounted = PackageHelper.isContainerMounted(cid);
9598                if (!mounted) {
9599                    PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid());
9600                }
9601            }
9602            return status;
9603        }
9604
9605        private void cleanUp() {
9606            if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp");
9607
9608            // Destroy secure container
9609            PackageHelper.destroySdDir(cid);
9610        }
9611
9612        void cleanUpResourcesLI() {
9613            String sourceFile = getCodePath();
9614            // Remove dex file
9615            if (instructionSet == null) {
9616                throw new IllegalStateException("instructionSet == null");
9617            }
9618            int retCode = mInstaller.rmdex(sourceFile, instructionSet);
9619            if (retCode < 0) {
9620                Slog.w(TAG, "Couldn't remove dex file for package: "
9621                        + " at location "
9622                        + sourceFile.toString() + ", retcode=" + retCode);
9623                // we don't consider this to be a failure of the core package deletion
9624            }
9625            cleanUp();
9626        }
9627
9628        boolean matchContainer(String app) {
9629            if (cid.startsWith(app)) {
9630                return true;
9631            }
9632            return false;
9633        }
9634
9635        String getPackageName() {
9636            return getAsecPackageName(cid);
9637        }
9638
9639        boolean doPostDeleteLI(boolean delete) {
9640            boolean ret = false;
9641            boolean mounted = PackageHelper.isContainerMounted(cid);
9642            if (mounted) {
9643                // Unmount first
9644                ret = PackageHelper.unMountSdDir(cid);
9645            }
9646            if (ret && delete) {
9647                cleanUpResourcesLI();
9648            }
9649            return ret;
9650        }
9651
9652        @Override
9653        int doPreCopy() {
9654            if (isFwdLocked()) {
9655                if (!PackageHelper.fixSdPermissions(cid,
9656                        getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) {
9657                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9658                }
9659            }
9660
9661            return PackageManager.INSTALL_SUCCEEDED;
9662        }
9663
9664        @Override
9665        int doPostCopy(int uid) {
9666            if (isFwdLocked()) {
9667                if (uid < Process.FIRST_APPLICATION_UID
9668                        || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid),
9669                                RES_FILE_NAME)) {
9670                    Slog.e(TAG, "Failed to finalize " + cid);
9671                    PackageHelper.destroySdDir(cid);
9672                    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
9673                }
9674            }
9675
9676            return PackageManager.INSTALL_SUCCEEDED;
9677        }
9678    }
9679
9680    static String getAsecPackageName(String packageCid) {
9681        int idx = packageCid.lastIndexOf("-");
9682        if (idx == -1) {
9683            return packageCid;
9684        }
9685        return packageCid.substring(0, idx);
9686    }
9687
9688    // Utility method used to create code paths based on package name and available index.
9689    private static String getNextCodePath(String oldCodePath, String prefix, String suffix) {
9690        String idxStr = "";
9691        int idx = 1;
9692        // Fall back to default value of idx=1 if prefix is not
9693        // part of oldCodePath
9694        if (oldCodePath != null) {
9695            String subStr = oldCodePath;
9696            // Drop the suffix right away
9697            if (subStr.endsWith(suffix)) {
9698                subStr = subStr.substring(0, subStr.length() - suffix.length());
9699            }
9700            // If oldCodePath already contains prefix find out the
9701            // ending index to either increment or decrement.
9702            int sidx = subStr.lastIndexOf(prefix);
9703            if (sidx != -1) {
9704                subStr = subStr.substring(sidx + prefix.length());
9705                if (subStr != null) {
9706                    if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) {
9707                        subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length());
9708                    }
9709                    try {
9710                        idx = Integer.parseInt(subStr);
9711                        if (idx <= 1) {
9712                            idx++;
9713                        } else {
9714                            idx--;
9715                        }
9716                    } catch(NumberFormatException e) {
9717                    }
9718                }
9719            }
9720        }
9721        idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx);
9722        return prefix + idxStr;
9723    }
9724
9725    // Utility method used to ignore ADD/REMOVE events
9726    // by directory observer.
9727    private static boolean ignoreCodePath(String fullPathStr) {
9728        String apkName = getApkName(fullPathStr);
9729        int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX);
9730        if (idx != -1 && ((idx+1) < apkName.length())) {
9731            // Make sure the package ends with a numeral
9732            String version = apkName.substring(idx+1);
9733            try {
9734                Integer.parseInt(version);
9735                return true;
9736            } catch (NumberFormatException e) {}
9737        }
9738        return false;
9739    }
9740
9741    // Utility method that returns the relative package path with respect
9742    // to the installation directory. Like say for /data/data/com.test-1.apk
9743    // string com.test-1 is returned.
9744    static String getApkName(String codePath) {
9745        if (codePath == null) {
9746            return null;
9747        }
9748        int sidx = codePath.lastIndexOf("/");
9749        int eidx = codePath.lastIndexOf(".");
9750        if (eidx == -1) {
9751            eidx = codePath.length();
9752        } else if (eidx == 0) {
9753            Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name");
9754            return null;
9755        }
9756        return codePath.substring(sidx+1, eidx);
9757    }
9758
9759    private static String[] deriveSplitResPaths(String[] splitCodePaths) {
9760        String[] splitResPaths = null;
9761        if (!ArrayUtils.isEmpty(splitCodePaths)) {
9762            splitResPaths = new String[splitCodePaths.length];
9763            for (int i = 0; i < splitCodePaths.length; i++) {
9764                final String splitCodePath = splitCodePaths[i];
9765                final String resName = getApkName(splitCodePath) + ".zip";
9766                splitResPaths[i] = new File(new File(splitCodePath).getParentFile(),
9767                        resName).getAbsolutePath();
9768            }
9769        }
9770        return splitResPaths;
9771    }
9772
9773    class PackageInstalledInfo {
9774        String name;
9775        int uid;
9776        // The set of users that originally had this package installed.
9777        int[] origUsers;
9778        // The set of users that now have this package installed.
9779        int[] newUsers;
9780        PackageParser.Package pkg;
9781        int returnCode;
9782        PackageRemovedInfo removedInfo;
9783
9784        // In some error cases we want to convey more info back to the observer
9785        String origPackage;
9786        String origPermission;
9787    }
9788
9789    /*
9790     * Install a non-existing package.
9791     */
9792    private void installNewPackageLI(PackageParser.Package pkg,
9793            int parseFlags, int scanMode, UserHandle user,
9794            String installerPackageName, PackageInstalledInfo res, String abiOverride) {
9795        // Remember this for later, in case we need to rollback this install
9796        String pkgName = pkg.packageName;
9797
9798        if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg);
9799        boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists();
9800        synchronized(mPackages) {
9801            if (mSettings.mRenamedPackages.containsKey(pkgName)) {
9802                // A package with the same name is already installed, though
9803                // it has been renamed to an older name.  The package we
9804                // are trying to install should be installed as an update to
9805                // the existing one, but that has not been requested, so bail.
9806                Slog.w(TAG, "Attempt to re-install " + pkgName
9807                        + " without first uninstalling package running as "
9808                        + mSettings.mRenamedPackages.get(pkgName));
9809                res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
9810                return;
9811            }
9812            if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.codePath)) {
9813                // Don't allow installation over an existing package with the same name.
9814                Slog.w(TAG, "Attempt to re-install " + pkgName
9815                        + " without first uninstalling.");
9816                res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
9817                return;
9818            }
9819        }
9820        mLastScanError = PackageManager.INSTALL_SUCCEEDED;
9821        PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode,
9822                System.currentTimeMillis(), user, abiOverride);
9823        if (newPackage == null) {
9824            Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath);
9825            if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) {
9826                res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK;
9827            }
9828        } else {
9829            updateSettingsLI(newPackage, installerPackageName, null, null, res);
9830            // delete the partially installed application. the data directory will have to be
9831            // restored if it was already existing
9832            if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
9833                // remove package from internal structures.  Note that we want deletePackageX to
9834                // delete the package data and cache directories that it created in
9835                // scanPackageLocked, unless those directories existed before we even tried to
9836                // install.
9837                deletePackageLI(pkgName, UserHandle.ALL, false, null, null,
9838                        dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0,
9839                                res.removedInfo, true);
9840            }
9841        }
9842    }
9843
9844    private void replacePackageLI(PackageParser.Package pkg,
9845            int parseFlags, int scanMode, UserHandle user,
9846            String installerPackageName, PackageInstalledInfo res, String abiOverride) {
9847
9848        PackageParser.Package oldPackage;
9849        String pkgName = pkg.packageName;
9850        int[] allUsers;
9851        boolean[] perUserInstalled;
9852
9853        // First find the old package info and check signatures
9854        synchronized(mPackages) {
9855            oldPackage = mPackages.get(pkgName);
9856            if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage);
9857            if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures)
9858                    != PackageManager.SIGNATURE_MATCH) {
9859                Slog.w(TAG, "New package has a different signature: " + pkgName);
9860                res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES;
9861                return;
9862            }
9863
9864            // In case of rollback, remember per-user/profile install state
9865            PackageSetting ps = mSettings.mPackages.get(pkgName);
9866            allUsers = sUserManager.getUserIds();
9867            perUserInstalled = new boolean[allUsers.length];
9868            for (int i = 0; i < allUsers.length; i++) {
9869                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
9870            }
9871        }
9872        boolean sysPkg = (isSystemApp(oldPackage));
9873        if (sysPkg) {
9874            replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode,
9875                    user, allUsers, perUserInstalled, installerPackageName, res,
9876                    abiOverride);
9877        } else {
9878            replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode,
9879                    user, allUsers, perUserInstalled, installerPackageName, res,
9880                    abiOverride);
9881        }
9882    }
9883
9884    private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage,
9885            PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user,
9886            int[] allUsers, boolean[] perUserInstalled,
9887            String installerPackageName, PackageInstalledInfo res, String abiOverride) {
9888        PackageParser.Package newPackage = null;
9889        String pkgName = deletedPackage.packageName;
9890        boolean deletedPkg = true;
9891        boolean updatedSettings = false;
9892
9893        if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old="
9894                + deletedPackage);
9895        long origUpdateTime;
9896        if (pkg.mExtras != null) {
9897            origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime;
9898        } else {
9899            origUpdateTime = 0;
9900        }
9901
9902        // First delete the existing package while retaining the data directory
9903        if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA,
9904                res.removedInfo, true)) {
9905            // If the existing package wasn't successfully deleted
9906            res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE;
9907            deletedPkg = false;
9908        } else {
9909            // Successfully deleted the old package. Now proceed with re-installation
9910            mLastScanError = PackageManager.INSTALL_SUCCEEDED;
9911            newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME,
9912                    System.currentTimeMillis(), user, abiOverride);
9913            if (newPackage == null) {
9914                Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath);
9915                if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) {
9916                    res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK;
9917                }
9918            } else {
9919                updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res);
9920                updatedSettings = true;
9921            }
9922        }
9923
9924        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
9925            // remove package from internal structures.  Note that we want deletePackageX to
9926            // delete the package data and cache directories that it created in
9927            // scanPackageLocked, unless those directories existed before we even tried to
9928            // install.
9929            if(updatedSettings) {
9930                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName);
9931                deletePackageLI(
9932                        pkgName, null, true, allUsers, perUserInstalled,
9933                        PackageManager.DELETE_KEEP_DATA,
9934                                res.removedInfo, true);
9935            }
9936            // Since we failed to install the new package we need to restore the old
9937            // package that we deleted.
9938            if (deletedPkg) {
9939                if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage);
9940                File restoreFile = new File(deletedPackage.codePath);
9941                // Parse old package
9942                boolean oldOnSd = isExternal(deletedPackage);
9943                int oldParseFlags  = mDefParseFlags | PackageParser.PARSE_CHATTY |
9944                        (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) |
9945                        (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0);
9946                int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE
9947                        | SCAN_UPDATE_TIME;
9948                if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode,
9949                        origUpdateTime, null, null) == null) {
9950                    Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade");
9951                    return;
9952                }
9953                // Restore of old package succeeded. Update permissions.
9954                // writer
9955                synchronized (mPackages) {
9956                    updatePermissionsLPw(deletedPackage.packageName, deletedPackage,
9957                            UPDATE_PERMISSIONS_ALL);
9958                    // can downgrade to reader
9959                    mSettings.writeLPr();
9960                }
9961                Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade");
9962            }
9963        }
9964    }
9965
9966    private void replaceSystemPackageLI(PackageParser.Package deletedPackage,
9967            PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user,
9968            int[] allUsers, boolean[] perUserInstalled,
9969            String installerPackageName, PackageInstalledInfo res, String abiOverride) {
9970        if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg
9971                + ", old=" + deletedPackage);
9972        PackageParser.Package newPackage = null;
9973        boolean updatedSettings = false;
9974        parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING |
9975                PackageParser.PARSE_IS_SYSTEM;
9976        if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) {
9977            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
9978        }
9979        String packageName = deletedPackage.packageName;
9980        res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE;
9981        if (packageName == null) {
9982            Slog.w(TAG, "Attempt to delete null packageName.");
9983            return;
9984        }
9985        PackageParser.Package oldPkg;
9986        PackageSetting oldPkgSetting;
9987        // reader
9988        synchronized (mPackages) {
9989            oldPkg = mPackages.get(packageName);
9990            oldPkgSetting = mSettings.mPackages.get(packageName);
9991            if((oldPkg == null) || (oldPkg.applicationInfo == null) ||
9992                    (oldPkgSetting == null)) {
9993                Slog.w(TAG, "Couldn't find package:"+packageName+" information");
9994                return;
9995            }
9996        }
9997
9998        killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg");
9999
10000        res.removedInfo.uid = oldPkg.applicationInfo.uid;
10001        res.removedInfo.removedPackage = packageName;
10002        // Remove existing system package
10003        removePackageLI(oldPkgSetting, true);
10004        // writer
10005        synchronized (mPackages) {
10006            if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) {
10007                // We didn't need to disable the .apk as a current system package,
10008                // which means we are replacing another update that is already
10009                // installed.  We need to make sure to delete the older one's .apk.
10010                res.removedInfo.args = createInstallArgs(0,
10011                        deletedPackage.applicationInfo.sourceDir,
10012                        deletedPackage.applicationInfo.publicSourceDir,
10013                        deletedPackage.applicationInfo.nativeLibraryDir,
10014                        getAppInstructionSet(deletedPackage.applicationInfo));
10015            } else {
10016                res.removedInfo.args = null;
10017            }
10018        }
10019
10020        // Successfully disabled the old package. Now proceed with re-installation
10021        res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED;
10022        pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
10023        newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride);
10024        if (newPackage == null) {
10025            Slog.w(TAG, "Package couldn't be installed in " + pkg.codePath);
10026            if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) {
10027                res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK;
10028            }
10029        } else {
10030            if (newPackage.mExtras != null) {
10031                final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras;
10032                newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime;
10033                newPkgSetting.lastUpdateTime = System.currentTimeMillis();
10034
10035                // is the update attempting to change shared user? that isn't going to work...
10036                if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) {
10037                    Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser
10038                            + " to " + newPkgSetting.sharedUser);
10039                    res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE;
10040                    updatedSettings = true;
10041                }
10042            }
10043
10044            if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
10045                updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res);
10046                updatedSettings = true;
10047            }
10048        }
10049
10050        if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
10051            // Re installation failed. Restore old information
10052            // Remove new pkg information
10053            if (newPackage != null) {
10054                removeInstalledPackageLI(newPackage, true);
10055            }
10056            // Add back the old system package
10057            scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null);
10058            // Restore the old system information in Settings
10059            synchronized(mPackages) {
10060                if (updatedSettings) {
10061                    mSettings.enableSystemPackageLPw(packageName);
10062                    mSettings.setInstallerPackageName(packageName,
10063                            oldPkgSetting.installerPackageName);
10064                }
10065                mSettings.writeLPr();
10066            }
10067        }
10068    }
10069
10070    // Utility method used to move dex files during install.
10071    private int moveDexFilesLI(String oldCodePath, PackageParser.Package newPackage) {
10072        // TODO: extend to move split APK dex files
10073        if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) {
10074            final String instructionSet = getAppInstructionSet(newPackage.applicationInfo);
10075            int retCode = mInstaller.movedex(oldCodePath, newPackage.codePath,
10076                                             instructionSet);
10077            if (retCode != 0) {
10078                /*
10079                 * Programs may be lazily run through dexopt, so the
10080                 * source may not exist. However, something seems to
10081                 * have gone wrong, so note that dexopt needs to be
10082                 * run again and remove the source file. In addition,
10083                 * remove the target to make sure there isn't a stale
10084                 * file from a previous version of the package.
10085                 */
10086                newPackage.mDexOptNeeded = true;
10087                mInstaller.rmdex(oldCodePath, instructionSet);
10088                mInstaller.rmdex(newPackage.codePath, instructionSet);
10089            }
10090        }
10091        return PackageManager.INSTALL_SUCCEEDED;
10092    }
10093
10094    private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName,
10095            int[] allUsers, boolean[] perUserInstalled,
10096            PackageInstalledInfo res) {
10097        String pkgName = newPackage.packageName;
10098        synchronized (mPackages) {
10099            //write settings. the installStatus will be incomplete at this stage.
10100            //note that the new package setting would have already been
10101            //added to mPackages. It hasn't been persisted yet.
10102            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE);
10103            mSettings.writeLPr();
10104        }
10105
10106        if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath);
10107
10108        synchronized (mPackages) {
10109            updatePermissionsLPw(newPackage.packageName, newPackage,
10110                    UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0
10111                            ? UPDATE_PERMISSIONS_ALL : 0));
10112            // For system-bundled packages, we assume that installing an upgraded version
10113            // of the package implies that the user actually wants to run that new code,
10114            // so we enable the package.
10115            if (isSystemApp(newPackage)) {
10116                // NB: implicit assumption that system package upgrades apply to all users
10117                if (DEBUG_INSTALL) {
10118                    Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName);
10119                }
10120                PackageSetting ps = mSettings.mPackages.get(pkgName);
10121                if (ps != null) {
10122                    if (res.origUsers != null) {
10123                        for (int userHandle : res.origUsers) {
10124                            ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT,
10125                                    userHandle, installerPackageName);
10126                        }
10127                    }
10128                    // Also convey the prior install/uninstall state
10129                    if (allUsers != null && perUserInstalled != null) {
10130                        for (int i = 0; i < allUsers.length; i++) {
10131                            if (DEBUG_INSTALL) {
10132                                Slog.d(TAG, "    user " + allUsers[i]
10133                                        + " => " + perUserInstalled[i]);
10134                            }
10135                            ps.setInstalled(perUserInstalled[i], allUsers[i]);
10136                        }
10137                        // these install state changes will be persisted in the
10138                        // upcoming call to mSettings.writeLPr().
10139                    }
10140                }
10141            }
10142            res.name = pkgName;
10143            res.uid = newPackage.applicationInfo.uid;
10144            res.pkg = newPackage;
10145            mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE);
10146            mSettings.setInstallerPackageName(pkgName, installerPackageName);
10147            res.returnCode = PackageManager.INSTALL_SUCCEEDED;
10148            //to update install status
10149            mSettings.writeLPr();
10150        }
10151    }
10152
10153    private void installPackageLI(InstallArgs args,
10154            boolean newInstall, PackageInstalledInfo res) {
10155        int pFlags = args.flags;
10156        String installerPackageName = args.installerPackageName;
10157        File tmpPackageFile = new File(args.getCodePath());
10158        boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0);
10159        boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0);
10160        boolean replace = false;
10161        int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE
10162                | (newInstall ? SCAN_NEW_INSTALL : 0);
10163        // Result object to be returned
10164        res.returnCode = PackageManager.INSTALL_SUCCEEDED;
10165
10166        if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile);
10167        // Retrieve PackageSettings and parse package
10168        int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY
10169                | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0)
10170                | (onSd ? PackageParser.PARSE_ON_SDCARD : 0);
10171        PackageParser pp = new PackageParser();
10172        pp.setSeparateProcesses(mSeparateProcesses);
10173        pp.setDisplayMetrics(mMetrics);
10174
10175        final PackageParser.Package pkg;
10176        try {
10177            pkg = pp.parseMonolithicPackage(tmpPackageFile, parseFlags);
10178        } catch (PackageParserException e) {
10179            res.returnCode = e.error;
10180            return;
10181        }
10182
10183        String pkgName = res.name = pkg.packageName;
10184        if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) {
10185            if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) {
10186                res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY;
10187                return;
10188            }
10189        }
10190
10191        try {
10192            pp.collectCertificates(pkg, parseFlags);
10193            pp.collectManifestDigest(pkg);
10194        } catch (PackageParserException e) {
10195            res.returnCode = e.error;
10196            return;
10197        }
10198
10199        /* If the installer passed in a manifest digest, compare it now. */
10200        if (args.manifestDigest != null) {
10201            if (DEBUG_INSTALL) {
10202                final String parsedManifest = pkg.manifestDigest == null ? "null"
10203                        : pkg.manifestDigest.toString();
10204                Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. "
10205                        + parsedManifest);
10206            }
10207
10208            if (!args.manifestDigest.equals(pkg.manifestDigest)) {
10209                res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED;
10210                return;
10211            }
10212        } else if (DEBUG_INSTALL) {
10213            final String parsedManifest = pkg.manifestDigest == null
10214                    ? "null" : pkg.manifestDigest.toString();
10215            Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest);
10216        }
10217
10218        // Get rid of all references to package scan path via parser.
10219        pp = null;
10220        String oldCodePath = null;
10221        boolean systemApp = false;
10222        synchronized (mPackages) {
10223            // Check whether the newly-scanned package wants to define an already-defined perm
10224            int N = pkg.permissions.size();
10225            for (int i = N-1; i >= 0; i--) {
10226                PackageParser.Permission perm = pkg.permissions.get(i);
10227                BasePermission bp = mSettings.mPermissions.get(perm.info.name);
10228                if (bp != null) {
10229                    // If the defining package is signed with our cert, it's okay.  This
10230                    // also includes the "updating the same package" case, of course.
10231                    if (compareSignatures(bp.packageSetting.signatures.mSignatures,
10232                            pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) {
10233                        // If the owning package is the system itself, we log but allow
10234                        // install to proceed; we fail the install on all other permission
10235                        // redefinitions.
10236                        if (!bp.sourcePackage.equals("android")) {
10237                            Slog.w(TAG, "Package " + pkg.packageName
10238                                    + " attempting to redeclare permission " + perm.info.name
10239                                    + " already owned by " + bp.sourcePackage);
10240                            res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION;
10241                            res.origPermission = perm.info.name;
10242                            res.origPackage = bp.sourcePackage;
10243                            return;
10244                        } else {
10245                            Slog.w(TAG, "Package " + pkg.packageName
10246                                    + " attempting to redeclare system permission "
10247                                    + perm.info.name + "; ignoring new declaration");
10248                            pkg.permissions.remove(i);
10249                        }
10250                    }
10251                }
10252            }
10253
10254            // Check if installing already existing package
10255            if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
10256                String oldName = mSettings.mRenamedPackages.get(pkgName);
10257                if (pkg.mOriginalPackages != null
10258                        && pkg.mOriginalPackages.contains(oldName)
10259                        && mPackages.containsKey(oldName)) {
10260                    // This package is derived from an original package,
10261                    // and this device has been updating from that original
10262                    // name.  We must continue using the original name, so
10263                    // rename the new package here.
10264                    pkg.setPackageName(oldName);
10265                    pkgName = pkg.packageName;
10266                    replace = true;
10267                    if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName="
10268                            + oldName + " pkgName=" + pkgName);
10269                } else if (mPackages.containsKey(pkgName)) {
10270                    // This package, under its official name, already exists
10271                    // on the device; we should replace it.
10272                    replace = true;
10273                    if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName);
10274                }
10275            }
10276            PackageSetting ps = mSettings.mPackages.get(pkgName);
10277            if (ps != null) {
10278                if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps);
10279                oldCodePath = mSettings.mPackages.get(pkgName).codePathString;
10280                if (ps.pkg != null && ps.pkg.applicationInfo != null) {
10281                    systemApp = (ps.pkg.applicationInfo.flags &
10282                            ApplicationInfo.FLAG_SYSTEM) != 0;
10283                }
10284                res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
10285            }
10286        }
10287
10288        if (systemApp && onSd) {
10289            // Disable updates to system apps on sdcard
10290            Slog.w(TAG, "Cannot install updates to system apps on sdcard");
10291            res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
10292            return;
10293        }
10294
10295        if (!args.doRename(res.returnCode, pkgName, oldCodePath)) {
10296            res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
10297            return;
10298        }
10299        // Set application objects path explicitly after the rename
10300        pkg.codePath = args.getCodePath();
10301        pkg.applicationInfo.sourceDir = args.getCodePath();
10302        pkg.applicationInfo.publicSourceDir = args.getResourcePath();
10303        pkg.applicationInfo.splitSourceDirs = args.getSplitCodePaths();
10304        pkg.applicationInfo.splitPublicSourceDirs = deriveSplitResPaths(
10305                pkg.applicationInfo.splitSourceDirs);
10306        pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath();
10307        if (replace) {
10308            replacePackageLI(pkg, parseFlags, scanMode, args.user,
10309                    installerPackageName, res, args.abiOverride);
10310        } else {
10311            installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user,
10312                    installerPackageName, res, args.abiOverride);
10313        }
10314        synchronized (mPackages) {
10315            final PackageSetting ps = mSettings.mPackages.get(pkgName);
10316            if (ps != null) {
10317                res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
10318            }
10319        }
10320    }
10321
10322    private static boolean isForwardLocked(PackageParser.Package pkg) {
10323        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0;
10324    }
10325
10326
10327    private boolean isForwardLocked(PackageSetting ps) {
10328        return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0;
10329    }
10330
10331    private static boolean isExternal(PackageParser.Package pkg) {
10332        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
10333    }
10334
10335    private static boolean isExternal(PackageSetting ps) {
10336        return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
10337    }
10338
10339    private static boolean isSystemApp(PackageParser.Package pkg) {
10340        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
10341    }
10342
10343    private static boolean isPrivilegedApp(PackageParser.Package pkg) {
10344        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0;
10345    }
10346
10347    private static boolean isSystemApp(ApplicationInfo info) {
10348        return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
10349    }
10350
10351    private static boolean isSystemApp(PackageSetting ps) {
10352        return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0;
10353    }
10354
10355    private static boolean isUpdatedSystemApp(PackageSetting ps) {
10356        return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
10357    }
10358
10359    private static boolean isUpdatedSystemApp(PackageParser.Package pkg) {
10360        return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
10361    }
10362
10363    private int packageFlagsToInstallFlags(PackageSetting ps) {
10364        int installFlags = 0;
10365        if (isExternal(ps)) {
10366            installFlags |= PackageManager.INSTALL_EXTERNAL;
10367        }
10368        if (isForwardLocked(ps)) {
10369            installFlags |= PackageManager.INSTALL_FORWARD_LOCK;
10370        }
10371        return installFlags;
10372    }
10373
10374    private void deleteTempPackageFiles() {
10375        final FilenameFilter filter = new FilenameFilter() {
10376            public boolean accept(File dir, String name) {
10377                return name.startsWith("vmdl") && name.endsWith(".tmp");
10378            }
10379        };
10380        deleteTempPackageFilesInDirectory(mAppInstallDir, filter);
10381        deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter);
10382    }
10383
10384    private static final void deleteTempPackageFilesInDirectory(File directory,
10385            FilenameFilter filter) {
10386        final String[] tmpFilesList = directory.list(filter);
10387        if (tmpFilesList == null) {
10388            return;
10389        }
10390        for (int i = 0; i < tmpFilesList.length; i++) {
10391            final File tmpFile = new File(directory, tmpFilesList[i]);
10392            tmpFile.delete();
10393        }
10394    }
10395
10396    private File createTempPackageFile(File installDir) {
10397        File tmpPackageFile;
10398        try {
10399            tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir);
10400        } catch (IOException e) {
10401            Slog.e(TAG, "Couldn't create temp file for downloaded package file.");
10402            return null;
10403        }
10404        try {
10405            FileUtils.setPermissions(
10406                    tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR,
10407                    -1, -1);
10408            if (!SELinux.restorecon(tmpPackageFile)) {
10409                return null;
10410            }
10411        } catch (IOException e) {
10412            Slog.e(TAG, "Trouble getting the canoncical path for a temp file.");
10413            return null;
10414        }
10415        return tmpPackageFile;
10416    }
10417
10418    @Override
10419    public void deletePackageAsUser(final String packageName,
10420                                    final IPackageDeleteObserver observer,
10421                                    final int userId, final int flags) {
10422        mContext.enforceCallingOrSelfPermission(
10423                android.Manifest.permission.DELETE_PACKAGES, null);
10424        final int uid = Binder.getCallingUid();
10425        if (UserHandle.getUserId(uid) != userId) {
10426            mContext.enforceCallingPermission(
10427                    android.Manifest.permission.INTERACT_ACROSS_USERS_FULL,
10428                    "deletePackage for user " + userId);
10429        }
10430        if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) {
10431            try {
10432                observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED);
10433            } catch (RemoteException re) {
10434            }
10435            return;
10436        }
10437
10438        if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId);
10439        // Queue up an async operation since the package deletion may take a little while.
10440        mHandler.post(new Runnable() {
10441            public void run() {
10442                mHandler.removeCallbacks(this);
10443                final int returnCode = deletePackageX(packageName, userId, flags);
10444                if (observer != null) {
10445                    try {
10446                        observer.packageDeleted(packageName, returnCode);
10447                    } catch (RemoteException e) {
10448                        Log.i(TAG, "Observer no longer exists.");
10449                    } //end catch
10450                } //end if
10451            } //end run
10452        });
10453    }
10454
10455    private boolean isPackageDeviceAdmin(String packageName, int userId) {
10456        IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface(
10457                ServiceManager.getService(Context.DEVICE_POLICY_SERVICE));
10458        try {
10459            if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId)
10460                    || dpm.isDeviceOwner(packageName))) {
10461                return true;
10462            }
10463        } catch (RemoteException e) {
10464        }
10465        return false;
10466    }
10467
10468    /**
10469     *  This method is an internal method that could be get invoked either
10470     *  to delete an installed package or to clean up a failed installation.
10471     *  After deleting an installed package, a broadcast is sent to notify any
10472     *  listeners that the package has been installed. For cleaning up a failed
10473     *  installation, the broadcast is not necessary since the package's
10474     *  installation wouldn't have sent the initial broadcast either
10475     *  The key steps in deleting a package are
10476     *  deleting the package information in internal structures like mPackages,
10477     *  deleting the packages base directories through installd
10478     *  updating mSettings to reflect current status
10479     *  persisting settings for later use
10480     *  sending a broadcast if necessary
10481     */
10482    private int deletePackageX(String packageName, int userId, int flags) {
10483        final PackageRemovedInfo info = new PackageRemovedInfo();
10484        final boolean res;
10485
10486        if (isPackageDeviceAdmin(packageName, userId)) {
10487            Slog.w(TAG, "Not removing package " + packageName + ": has active device admin");
10488            return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER;
10489        }
10490
10491        boolean removedForAllUsers = false;
10492        boolean systemUpdate = false;
10493
10494        // for the uninstall-updates case and restricted profiles, remember the per-
10495        // userhandle installed state
10496        int[] allUsers;
10497        boolean[] perUserInstalled;
10498        synchronized (mPackages) {
10499            PackageSetting ps = mSettings.mPackages.get(packageName);
10500            allUsers = sUserManager.getUserIds();
10501            perUserInstalled = new boolean[allUsers.length];
10502            for (int i = 0; i < allUsers.length; i++) {
10503                perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false;
10504            }
10505        }
10506
10507        synchronized (mInstallLock) {
10508            if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId);
10509            res = deletePackageLI(packageName,
10510                    (flags & PackageManager.DELETE_ALL_USERS) != 0
10511                            ? UserHandle.ALL : new UserHandle(userId),
10512                    true, allUsers, perUserInstalled,
10513                    flags | REMOVE_CHATTY, info, true);
10514            systemUpdate = info.isRemovedPackageSystemUpdate;
10515            if (res && !systemUpdate && mPackages.get(packageName) == null) {
10516                removedForAllUsers = true;
10517            }
10518            if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate
10519                    + " removedForAllUsers=" + removedForAllUsers);
10520        }
10521
10522        if (res) {
10523            info.sendBroadcast(true, systemUpdate, removedForAllUsers);
10524
10525            // If the removed package was a system update, the old system package
10526            // was re-enabled; we need to broadcast this information
10527            if (systemUpdate) {
10528                Bundle extras = new Bundle(1);
10529                extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0
10530                        ? info.removedAppId : info.uid);
10531                extras.putBoolean(Intent.EXTRA_REPLACING, true);
10532
10533                sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName,
10534                        extras, null, null, null);
10535                sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName,
10536                        extras, null, null, null);
10537                sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null,
10538                        null, packageName, null, null);
10539            }
10540        }
10541        // Force a gc here.
10542        Runtime.getRuntime().gc();
10543        // Delete the resources here after sending the broadcast to let
10544        // other processes clean up before deleting resources.
10545        if (info.args != null) {
10546            synchronized (mInstallLock) {
10547                info.args.doPostDeleteLI(true);
10548            }
10549        }
10550
10551        return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR;
10552    }
10553
10554    static class PackageRemovedInfo {
10555        String removedPackage;
10556        int uid = -1;
10557        int removedAppId = -1;
10558        int[] removedUsers = null;
10559        boolean isRemovedPackageSystemUpdate = false;
10560        // Clean up resources deleted packages.
10561        InstallArgs args = null;
10562
10563        void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) {
10564            Bundle extras = new Bundle(1);
10565            extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid);
10566            extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove);
10567            if (replacing) {
10568                extras.putBoolean(Intent.EXTRA_REPLACING, true);
10569            }
10570            extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers);
10571            if (removedPackage != null) {
10572                sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
10573                        extras, null, null, removedUsers);
10574                if (fullRemove && !replacing) {
10575                    sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage,
10576                            extras, null, null, removedUsers);
10577                }
10578            }
10579            if (removedAppId >= 0) {
10580                sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null,
10581                        removedUsers);
10582            }
10583        }
10584    }
10585
10586    /*
10587     * This method deletes the package from internal data structures. If the DONT_DELETE_DATA
10588     * flag is not set, the data directory is removed as well.
10589     * make sure this flag is set for partially installed apps. If not its meaningless to
10590     * delete a partially installed application.
10591     */
10592    private void removePackageDataLI(PackageSetting ps,
10593            int[] allUserHandles, boolean[] perUserInstalled,
10594            PackageRemovedInfo outInfo, int flags, boolean writeSettings) {
10595        String packageName = ps.name;
10596        if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps);
10597        removePackageLI(ps, (flags&REMOVE_CHATTY) != 0);
10598        // Retrieve object to delete permissions for shared user later on
10599        final PackageSetting deletedPs;
10600        // reader
10601        synchronized (mPackages) {
10602            deletedPs = mSettings.mPackages.get(packageName);
10603            if (outInfo != null) {
10604                outInfo.removedPackage = packageName;
10605                outInfo.removedUsers = deletedPs != null
10606                        ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true)
10607                        : null;
10608            }
10609        }
10610        if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
10611            removeDataDirsLI(packageName);
10612            schedulePackageCleaning(packageName, UserHandle.USER_ALL, true);
10613        }
10614        // writer
10615        synchronized (mPackages) {
10616            if (deletedPs != null) {
10617                if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
10618                    if (outInfo != null) {
10619                        outInfo.removedAppId = mSettings.removePackageLPw(packageName);
10620                    }
10621                    if (deletedPs != null) {
10622                        updatePermissionsLPw(deletedPs.name, null, 0);
10623                        if (deletedPs.sharedUser != null) {
10624                            // remove permissions associated with package
10625                            mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids);
10626                        }
10627                    }
10628                    clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL);
10629                }
10630                // make sure to preserve per-user disabled state if this removal was just
10631                // a downgrade of a system app to the factory package
10632                if (allUserHandles != null && perUserInstalled != null) {
10633                    if (DEBUG_REMOVE) {
10634                        Slog.d(TAG, "Propagating install state across downgrade");
10635                    }
10636                    for (int i = 0; i < allUserHandles.length; i++) {
10637                        if (DEBUG_REMOVE) {
10638                            Slog.d(TAG, "    user " + allUserHandles[i]
10639                                    + " => " + perUserInstalled[i]);
10640                        }
10641                        ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
10642                    }
10643                }
10644            }
10645            // can downgrade to reader
10646            if (writeSettings) {
10647                // Save settings now
10648                mSettings.writeLPr();
10649            }
10650        }
10651        if (outInfo != null) {
10652            // A user ID was deleted here. Go through all users and remove it
10653            // from KeyStore.
10654            removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId);
10655        }
10656    }
10657
10658    static boolean locationIsPrivileged(File path) {
10659        try {
10660            final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app")
10661                    .getCanonicalPath();
10662            return path.getCanonicalPath().startsWith(privilegedAppDir);
10663        } catch (IOException e) {
10664            Slog.e(TAG, "Unable to access code path " + path);
10665        }
10666        return false;
10667    }
10668
10669    /*
10670     * Tries to delete system package.
10671     */
10672    private boolean deleteSystemPackageLI(PackageSetting newPs,
10673            int[] allUserHandles, boolean[] perUserInstalled,
10674            int flags, PackageRemovedInfo outInfo, boolean writeSettings) {
10675        final boolean applyUserRestrictions
10676                = (allUserHandles != null) && (perUserInstalled != null);
10677        PackageSetting disabledPs = null;
10678        // Confirm if the system package has been updated
10679        // An updated system app can be deleted. This will also have to restore
10680        // the system pkg from system partition
10681        // reader
10682        synchronized (mPackages) {
10683            disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name);
10684        }
10685        if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs
10686                + " disabledPs=" + disabledPs);
10687        if (disabledPs == null) {
10688            Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name);
10689            return false;
10690        } else if (DEBUG_REMOVE) {
10691            Slog.d(TAG, "Deleting system pkg from data partition");
10692        }
10693        if (DEBUG_REMOVE) {
10694            if (applyUserRestrictions) {
10695                Slog.d(TAG, "Remembering install states:");
10696                for (int i = 0; i < allUserHandles.length; i++) {
10697                    Slog.d(TAG, "   u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]);
10698                }
10699            }
10700        }
10701        // Delete the updated package
10702        outInfo.isRemovedPackageSystemUpdate = true;
10703        if (disabledPs.versionCode < newPs.versionCode) {
10704            // Delete data for downgrades
10705            flags &= ~PackageManager.DELETE_KEEP_DATA;
10706        } else {
10707            // Preserve data by setting flag
10708            flags |= PackageManager.DELETE_KEEP_DATA;
10709        }
10710        boolean ret = deleteInstalledPackageLI(newPs, true, flags,
10711                allUserHandles, perUserInstalled, outInfo, writeSettings);
10712        if (!ret) {
10713            return false;
10714        }
10715        // writer
10716        synchronized (mPackages) {
10717            // Reinstate the old system package
10718            mSettings.enableSystemPackageLPw(newPs.name);
10719            // Remove any native libraries from the upgraded package.
10720            NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString);
10721        }
10722        // Install the system package
10723        if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs);
10724        int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM;
10725        if (locationIsPrivileged(disabledPs.codePath)) {
10726            parseFlags |= PackageParser.PARSE_IS_PRIVILEGED;
10727        }
10728        PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath,
10729                parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null);
10730
10731        if (newPkg == null) {
10732            Slog.w(TAG, "Failed to restore system package:" + newPs.name
10733                    + " with error:" + mLastScanError);
10734            return false;
10735        }
10736        // writer
10737        synchronized (mPackages) {
10738            PackageSetting ps = mSettings.mPackages.get(newPkg.packageName);
10739            setInternalAppNativeLibraryPath(newPkg, ps);
10740            updatePermissionsLPw(newPkg.packageName, newPkg,
10741                    UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG);
10742            if (applyUserRestrictions) {
10743                if (DEBUG_REMOVE) {
10744                    Slog.d(TAG, "Propagating install state across reinstall");
10745                }
10746                for (int i = 0; i < allUserHandles.length; i++) {
10747                    if (DEBUG_REMOVE) {
10748                        Slog.d(TAG, "    user " + allUserHandles[i]
10749                                + " => " + perUserInstalled[i]);
10750                    }
10751                    ps.setInstalled(perUserInstalled[i], allUserHandles[i]);
10752                }
10753                // Regardless of writeSettings we need to ensure that this restriction
10754                // state propagation is persisted
10755                mSettings.writeAllUsersPackageRestrictionsLPr();
10756            }
10757            // can downgrade to reader here
10758            if (writeSettings) {
10759                mSettings.writeLPr();
10760            }
10761        }
10762        return true;
10763    }
10764
10765    private boolean deleteInstalledPackageLI(PackageSetting ps,
10766            boolean deleteCodeAndResources, int flags,
10767            int[] allUserHandles, boolean[] perUserInstalled,
10768            PackageRemovedInfo outInfo, boolean writeSettings) {
10769        if (outInfo != null) {
10770            outInfo.uid = ps.appId;
10771        }
10772
10773        // Delete package data from internal structures and also remove data if flag is set
10774        removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings);
10775
10776        // Delete application code and resources
10777        if (deleteCodeAndResources && (outInfo != null)) {
10778            outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString,
10779                    ps.resourcePathString, ps.nativeLibraryPathString,
10780                    getAppInstructionSetFromSettings(ps));
10781        }
10782        return true;
10783    }
10784
10785    /*
10786     * This method handles package deletion in general
10787     */
10788    private boolean deletePackageLI(String packageName, UserHandle user,
10789            boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled,
10790            int flags, PackageRemovedInfo outInfo,
10791            boolean writeSettings) {
10792        if (packageName == null) {
10793            Slog.w(TAG, "Attempt to delete null packageName.");
10794            return false;
10795        }
10796        if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user);
10797        PackageSetting ps;
10798        boolean dataOnly = false;
10799        int removeUser = -1;
10800        int appId = -1;
10801        synchronized (mPackages) {
10802            ps = mSettings.mPackages.get(packageName);
10803            if (ps == null) {
10804                Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
10805                return false;
10806            }
10807            if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null
10808                    && user.getIdentifier() != UserHandle.USER_ALL) {
10809                // The caller is asking that the package only be deleted for a single
10810                // user.  To do this, we just mark its uninstalled state and delete
10811                // its data.  If this is a system app, we only allow this to happen if
10812                // they have set the special DELETE_SYSTEM_APP which requests different
10813                // semantics than normal for uninstalling system apps.
10814                if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user");
10815                ps.setUserState(user.getIdentifier(),
10816                        COMPONENT_ENABLED_STATE_DEFAULT,
10817                        false, //installed
10818                        true,  //stopped
10819                        true,  //notLaunched
10820                        false, //blocked
10821                        null, null, null);
10822                if (!isSystemApp(ps)) {
10823                    if (ps.isAnyInstalled(sUserManager.getUserIds())) {
10824                        // Other user still have this package installed, so all
10825                        // we need to do is clear this user's data and save that
10826                        // it is uninstalled.
10827                        if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users");
10828                        removeUser = user.getIdentifier();
10829                        appId = ps.appId;
10830                        mSettings.writePackageRestrictionsLPr(removeUser);
10831                    } else {
10832                        // We need to set it back to 'installed' so the uninstall
10833                        // broadcasts will be sent correctly.
10834                        if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete");
10835                        ps.setInstalled(true, user.getIdentifier());
10836                    }
10837                } else {
10838                    // This is a system app, so we assume that the
10839                    // other users still have this package installed, so all
10840                    // we need to do is clear this user's data and save that
10841                    // it is uninstalled.
10842                    if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app");
10843                    removeUser = user.getIdentifier();
10844                    appId = ps.appId;
10845                    mSettings.writePackageRestrictionsLPr(removeUser);
10846                }
10847            }
10848        }
10849
10850        if (removeUser >= 0) {
10851            // From above, we determined that we are deleting this only
10852            // for a single user.  Continue the work here.
10853            if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser);
10854            if (outInfo != null) {
10855                outInfo.removedPackage = packageName;
10856                outInfo.removedAppId = appId;
10857                outInfo.removedUsers = new int[] {removeUser};
10858            }
10859            mInstaller.clearUserData(packageName, removeUser);
10860            removeKeystoreDataIfNeeded(removeUser, appId);
10861            schedulePackageCleaning(packageName, removeUser, false);
10862            return true;
10863        }
10864
10865        if (dataOnly) {
10866            // Delete application data first
10867            if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only");
10868            removePackageDataLI(ps, null, null, outInfo, flags, writeSettings);
10869            return true;
10870        }
10871
10872        boolean ret = false;
10873        mSettings.mKeySetManager.removeAppKeySetData(packageName);
10874        if (isSystemApp(ps)) {
10875            if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name);
10876            // When an updated system application is deleted we delete the existing resources as well and
10877            // fall back to existing code in system partition
10878            ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled,
10879                    flags, outInfo, writeSettings);
10880        } else {
10881            if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name);
10882            // Kill application pre-emptively especially for apps on sd.
10883            killApplication(packageName, ps.appId, "uninstall pkg");
10884            ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags,
10885                    allUserHandles, perUserInstalled,
10886                    outInfo, writeSettings);
10887        }
10888
10889        return ret;
10890    }
10891
10892    private final class ClearStorageConnection implements ServiceConnection {
10893        IMediaContainerService mContainerService;
10894
10895        @Override
10896        public void onServiceConnected(ComponentName name, IBinder service) {
10897            synchronized (this) {
10898                mContainerService = IMediaContainerService.Stub.asInterface(service);
10899                notifyAll();
10900            }
10901        }
10902
10903        @Override
10904        public void onServiceDisconnected(ComponentName name) {
10905        }
10906    }
10907
10908    private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) {
10909        final boolean mounted;
10910        if (Environment.isExternalStorageEmulated()) {
10911            mounted = true;
10912        } else {
10913            final String status = Environment.getExternalStorageState();
10914
10915            mounted = status.equals(Environment.MEDIA_MOUNTED)
10916                    || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY);
10917        }
10918
10919        if (!mounted) {
10920            return;
10921        }
10922
10923        final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
10924        int[] users;
10925        if (userId == UserHandle.USER_ALL) {
10926            users = sUserManager.getUserIds();
10927        } else {
10928            users = new int[] { userId };
10929        }
10930        final ClearStorageConnection conn = new ClearStorageConnection();
10931        if (mContext.bindServiceAsUser(
10932                containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) {
10933            try {
10934                for (int curUser : users) {
10935                    long timeout = SystemClock.uptimeMillis() + 5000;
10936                    synchronized (conn) {
10937                        long now = SystemClock.uptimeMillis();
10938                        while (conn.mContainerService == null && now < timeout) {
10939                            try {
10940                                conn.wait(timeout - now);
10941                            } catch (InterruptedException e) {
10942                            }
10943                        }
10944                    }
10945                    if (conn.mContainerService == null) {
10946                        return;
10947                    }
10948
10949                    final UserEnvironment userEnv = new UserEnvironment(curUser);
10950                    clearDirectory(conn.mContainerService,
10951                            userEnv.buildExternalStorageAppCacheDirs(packageName));
10952                    if (allData) {
10953                        clearDirectory(conn.mContainerService,
10954                                userEnv.buildExternalStorageAppDataDirs(packageName));
10955                        clearDirectory(conn.mContainerService,
10956                                userEnv.buildExternalStorageAppMediaDirs(packageName));
10957                    }
10958                }
10959            } finally {
10960                mContext.unbindService(conn);
10961            }
10962        }
10963    }
10964
10965    @Override
10966    public void clearApplicationUserData(final String packageName,
10967            final IPackageDataObserver observer, final int userId) {
10968        mContext.enforceCallingOrSelfPermission(
10969                android.Manifest.permission.CLEAR_APP_USER_DATA, null);
10970        enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data");
10971        // Queue up an async operation since the package deletion may take a little while.
10972        mHandler.post(new Runnable() {
10973            public void run() {
10974                mHandler.removeCallbacks(this);
10975                final boolean succeeded;
10976                synchronized (mInstallLock) {
10977                    succeeded = clearApplicationUserDataLI(packageName, userId);
10978                }
10979                clearExternalStorageDataSync(packageName, userId, true);
10980                if (succeeded) {
10981                    // invoke DeviceStorageMonitor's update method to clear any notifications
10982                    DeviceStorageMonitorInternal
10983                            dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
10984                    if (dsm != null) {
10985                        dsm.checkMemory();
10986                    }
10987                }
10988                if(observer != null) {
10989                    try {
10990                        observer.onRemoveCompleted(packageName, succeeded);
10991                    } catch (RemoteException e) {
10992                        Log.i(TAG, "Observer no longer exists.");
10993                    }
10994                } //end if observer
10995            } //end run
10996        });
10997    }
10998
10999    private boolean clearApplicationUserDataLI(String packageName, int userId) {
11000        if (packageName == null) {
11001            Slog.w(TAG, "Attempt to delete null packageName.");
11002            return false;
11003        }
11004        PackageParser.Package p;
11005        boolean dataOnly = false;
11006        final int appId;
11007        synchronized (mPackages) {
11008            p = mPackages.get(packageName);
11009            if (p == null) {
11010                dataOnly = true;
11011                PackageSetting ps = mSettings.mPackages.get(packageName);
11012                if ((ps == null) || (ps.pkg == null)) {
11013                    Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
11014                    return false;
11015                }
11016                p = ps.pkg;
11017            }
11018            if (!dataOnly) {
11019                // need to check this only for fully installed applications
11020                if (p == null) {
11021                    Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
11022                    return false;
11023                }
11024                final ApplicationInfo applicationInfo = p.applicationInfo;
11025                if (applicationInfo == null) {
11026                    Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
11027                    return false;
11028                }
11029            }
11030            if (p != null && p.applicationInfo != null) {
11031                appId = p.applicationInfo.uid;
11032            } else {
11033                appId = -1;
11034            }
11035        }
11036        int retCode = mInstaller.clearUserData(packageName, userId);
11037        if (retCode < 0) {
11038            Slog.w(TAG, "Couldn't remove cache files for package: "
11039                    + packageName);
11040            return false;
11041        }
11042        removeKeystoreDataIfNeeded(userId, appId);
11043        return true;
11044    }
11045
11046    /**
11047     * Remove entries from the keystore daemon. Will only remove it if the
11048     * {@code appId} is valid.
11049     */
11050    private static void removeKeystoreDataIfNeeded(int userId, int appId) {
11051        if (appId < 0) {
11052            return;
11053        }
11054
11055        final KeyStore keyStore = KeyStore.getInstance();
11056        if (keyStore != null) {
11057            if (userId == UserHandle.USER_ALL) {
11058                for (final int individual : sUserManager.getUserIds()) {
11059                    keyStore.clearUid(UserHandle.getUid(individual, appId));
11060                }
11061            } else {
11062                keyStore.clearUid(UserHandle.getUid(userId, appId));
11063            }
11064        } else {
11065            Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId);
11066        }
11067    }
11068
11069    @Override
11070    public void deleteApplicationCacheFiles(final String packageName,
11071            final IPackageDataObserver observer) {
11072        mContext.enforceCallingOrSelfPermission(
11073                android.Manifest.permission.DELETE_CACHE_FILES, null);
11074        // Queue up an async operation since the package deletion may take a little while.
11075        final int userId = UserHandle.getCallingUserId();
11076        mHandler.post(new Runnable() {
11077            public void run() {
11078                mHandler.removeCallbacks(this);
11079                final boolean succeded;
11080                synchronized (mInstallLock) {
11081                    succeded = deleteApplicationCacheFilesLI(packageName, userId);
11082                }
11083                clearExternalStorageDataSync(packageName, userId, false);
11084                if(observer != null) {
11085                    try {
11086                        observer.onRemoveCompleted(packageName, succeded);
11087                    } catch (RemoteException e) {
11088                        Log.i(TAG, "Observer no longer exists.");
11089                    }
11090                } //end if observer
11091            } //end run
11092        });
11093    }
11094
11095    private boolean deleteApplicationCacheFilesLI(String packageName, int userId) {
11096        if (packageName == null) {
11097            Slog.w(TAG, "Attempt to delete null packageName.");
11098            return false;
11099        }
11100        PackageParser.Package p;
11101        synchronized (mPackages) {
11102            p = mPackages.get(packageName);
11103        }
11104        if (p == null) {
11105            Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
11106            return false;
11107        }
11108        final ApplicationInfo applicationInfo = p.applicationInfo;
11109        if (applicationInfo == null) {
11110            Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
11111            return false;
11112        }
11113        int retCode = mInstaller.deleteCacheFiles(packageName, userId);
11114        if (retCode < 0) {
11115            Slog.w(TAG, "Couldn't remove cache files for package: "
11116                       + packageName + " u" + userId);
11117            return false;
11118        }
11119        return true;
11120    }
11121
11122    @Override
11123    public void getPackageSizeInfo(final String packageName, int userHandle,
11124            final IPackageStatsObserver observer) {
11125        mContext.enforceCallingOrSelfPermission(
11126                android.Manifest.permission.GET_PACKAGE_SIZE, null);
11127        if (packageName == null) {
11128            throw new IllegalArgumentException("Attempt to get size of null packageName");
11129        }
11130
11131        PackageStats stats = new PackageStats(packageName, userHandle);
11132
11133        /*
11134         * Queue up an async operation since the package measurement may take a
11135         * little while.
11136         */
11137        Message msg = mHandler.obtainMessage(INIT_COPY);
11138        msg.obj = new MeasureParams(stats, observer);
11139        mHandler.sendMessage(msg);
11140    }
11141
11142    private boolean getPackageSizeInfoLI(String packageName, int userHandle,
11143            PackageStats pStats) {
11144        if (packageName == null) {
11145            Slog.w(TAG, "Attempt to get size of null packageName.");
11146            return false;
11147        }
11148        PackageParser.Package p;
11149        boolean dataOnly = false;
11150        String libDirPath = null;
11151        String asecPath = null;
11152        PackageSetting ps = null;
11153        synchronized (mPackages) {
11154            p = mPackages.get(packageName);
11155            ps = mSettings.mPackages.get(packageName);
11156            if(p == null) {
11157                dataOnly = true;
11158                if((ps == null) || (ps.pkg == null)) {
11159                    Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
11160                    return false;
11161                }
11162                p = ps.pkg;
11163            }
11164            if (ps != null) {
11165                libDirPath = ps.nativeLibraryPathString;
11166            }
11167            if (p != null && (isExternal(p) || isForwardLocked(p))) {
11168                String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir);
11169                if (secureContainerId != null) {
11170                    asecPath = PackageHelper.getSdFilesystem(secureContainerId);
11171                }
11172            }
11173        }
11174        String publicSrcDir = null;
11175        if(!dataOnly) {
11176            final ApplicationInfo applicationInfo = p.applicationInfo;
11177            if (applicationInfo == null) {
11178                Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
11179                return false;
11180            }
11181            if (isForwardLocked(p)) {
11182                publicSrcDir = applicationInfo.publicSourceDir;
11183            }
11184        }
11185        int res = mInstaller.getSizeInfo(packageName, userHandle, p.codePath, libDirPath,
11186                publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps),
11187                pStats);
11188        if (res < 0) {
11189            return false;
11190        }
11191
11192        // Fix-up for forward-locked applications in ASEC containers.
11193        if (!isExternal(p)) {
11194            pStats.codeSize += pStats.externalCodeSize;
11195            pStats.externalCodeSize = 0L;
11196        }
11197
11198        return true;
11199    }
11200
11201
11202    @Override
11203    public void addPackageToPreferred(String packageName) {
11204        Slog.w(TAG, "addPackageToPreferred: this is now a no-op");
11205    }
11206
11207    @Override
11208    public void removePackageFromPreferred(String packageName) {
11209        Slog.w(TAG, "removePackageFromPreferred: this is now a no-op");
11210    }
11211
11212    @Override
11213    public List<PackageInfo> getPreferredPackages(int flags) {
11214        return new ArrayList<PackageInfo>();
11215    }
11216
11217    private int getUidTargetSdkVersionLockedLPr(int uid) {
11218        Object obj = mSettings.getUserIdLPr(uid);
11219        if (obj instanceof SharedUserSetting) {
11220            final SharedUserSetting sus = (SharedUserSetting) obj;
11221            int vers = Build.VERSION_CODES.CUR_DEVELOPMENT;
11222            final Iterator<PackageSetting> it = sus.packages.iterator();
11223            while (it.hasNext()) {
11224                final PackageSetting ps = it.next();
11225                if (ps.pkg != null) {
11226                    int v = ps.pkg.applicationInfo.targetSdkVersion;
11227                    if (v < vers) vers = v;
11228                }
11229            }
11230            return vers;
11231        } else if (obj instanceof PackageSetting) {
11232            final PackageSetting ps = (PackageSetting) obj;
11233            if (ps.pkg != null) {
11234                return ps.pkg.applicationInfo.targetSdkVersion;
11235            }
11236        }
11237        return Build.VERSION_CODES.CUR_DEVELOPMENT;
11238    }
11239
11240    @Override
11241    public void addPreferredActivity(IntentFilter filter, int match,
11242            ComponentName[] set, ComponentName activity, int userId) {
11243        addPreferredActivityInternal(filter, match, set, activity, true, userId);
11244    }
11245
11246    private void addPreferredActivityInternal(IntentFilter filter, int match,
11247            ComponentName[] set, ComponentName activity, boolean always, int userId) {
11248        // writer
11249        int callingUid = Binder.getCallingUid();
11250        enforceCrossUserPermission(callingUid, userId, true, "add preferred activity");
11251        if (filter.countActions() == 0) {
11252            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
11253            return;
11254        }
11255        synchronized (mPackages) {
11256            if (mContext.checkCallingOrSelfPermission(
11257                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
11258                    != PackageManager.PERMISSION_GRANTED) {
11259                if (getUidTargetSdkVersionLockedLPr(callingUid)
11260                        < Build.VERSION_CODES.FROYO) {
11261                    Slog.w(TAG, "Ignoring addPreferredActivity() from uid "
11262                            + callingUid);
11263                    return;
11264                }
11265                mContext.enforceCallingOrSelfPermission(
11266                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11267            }
11268
11269            Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :");
11270            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
11271            mSettings.editPreferredActivitiesLPw(userId).addFilter(
11272                    new PreferredActivity(filter, match, set, activity, always));
11273            mSettings.writePackageRestrictionsLPr(userId);
11274        }
11275    }
11276
11277    @Override
11278    public void replacePreferredActivity(IntentFilter filter, int match,
11279            ComponentName[] set, ComponentName activity) {
11280        if (filter.countActions() != 1) {
11281            throw new IllegalArgumentException(
11282                    "replacePreferredActivity expects filter to have only 1 action.");
11283        }
11284        if (filter.countDataAuthorities() != 0
11285                || filter.countDataPaths() != 0
11286                || filter.countDataSchemes() > 1
11287                || filter.countDataTypes() != 0) {
11288            throw new IllegalArgumentException(
11289                    "replacePreferredActivity expects filter to have no data authorities, " +
11290                    "paths, or types; and at most one scheme.");
11291        }
11292        synchronized (mPackages) {
11293            if (mContext.checkCallingOrSelfPermission(
11294                    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
11295                    != PackageManager.PERMISSION_GRANTED) {
11296                if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid())
11297                        < Build.VERSION_CODES.FROYO) {
11298                    Slog.w(TAG, "Ignoring replacePreferredActivity() from uid "
11299                            + Binder.getCallingUid());
11300                    return;
11301                }
11302                mContext.enforceCallingOrSelfPermission(
11303                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11304            }
11305
11306            final int callingUserId = UserHandle.getCallingUserId();
11307            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId);
11308            if (pir != null) {
11309                Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0));
11310                if (filter.countDataSchemes() == 1) {
11311                    Uri.Builder builder = new Uri.Builder();
11312                    builder.scheme(filter.getDataScheme(0));
11313                    intent.setData(builder.build());
11314                }
11315                List<PreferredActivity> matches = pir.queryIntent(
11316                        intent, null, true, callingUserId);
11317                if (DEBUG_PREFERRED) {
11318                    Slog.i(TAG, matches.size() + " preferred matches for " + intent);
11319                }
11320                for (int i = 0; i < matches.size(); i++) {
11321                    PreferredActivity pa = matches.get(i);
11322                    if (DEBUG_PREFERRED) {
11323                        Slog.i(TAG, "Removing preferred activity "
11324                                + pa.mPref.mComponent + ":");
11325                        filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
11326                    }
11327                    pir.removeFilter(pa);
11328                }
11329            }
11330            addPreferredActivityInternal(filter, match, set, activity, true, callingUserId);
11331        }
11332    }
11333
11334    @Override
11335    public void clearPackagePreferredActivities(String packageName) {
11336        final int uid = Binder.getCallingUid();
11337        // writer
11338        synchronized (mPackages) {
11339            PackageParser.Package pkg = mPackages.get(packageName);
11340            if (pkg == null || pkg.applicationInfo.uid != uid) {
11341                if (mContext.checkCallingOrSelfPermission(
11342                        android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
11343                        != PackageManager.PERMISSION_GRANTED) {
11344                    if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid())
11345                            < Build.VERSION_CODES.FROYO) {
11346                        Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid "
11347                                + Binder.getCallingUid());
11348                        return;
11349                    }
11350                    mContext.enforceCallingOrSelfPermission(
11351                            android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11352                }
11353            }
11354
11355            int user = UserHandle.getCallingUserId();
11356            if (clearPackagePreferredActivitiesLPw(packageName, user)) {
11357                mSettings.writePackageRestrictionsLPr(user);
11358                scheduleWriteSettingsLocked();
11359            }
11360        }
11361    }
11362
11363    /** This method takes a specific user id as well as UserHandle.USER_ALL. */
11364    boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) {
11365        ArrayList<PreferredActivity> removed = null;
11366        boolean changed = false;
11367        for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
11368            final int thisUserId = mSettings.mPreferredActivities.keyAt(i);
11369            PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
11370            if (userId != UserHandle.USER_ALL && userId != thisUserId) {
11371                continue;
11372            }
11373            Iterator<PreferredActivity> it = pir.filterIterator();
11374            while (it.hasNext()) {
11375                PreferredActivity pa = it.next();
11376                // Mark entry for removal only if it matches the package name
11377                // and the entry is of type "always".
11378                if (packageName == null ||
11379                        (pa.mPref.mComponent.getPackageName().equals(packageName)
11380                                && pa.mPref.mAlways)) {
11381                    if (removed == null) {
11382                        removed = new ArrayList<PreferredActivity>();
11383                    }
11384                    removed.add(pa);
11385                }
11386            }
11387            if (removed != null) {
11388                for (int j=0; j<removed.size(); j++) {
11389                    PreferredActivity pa = removed.get(j);
11390                    pir.removeFilter(pa);
11391                }
11392                changed = true;
11393            }
11394        }
11395        return changed;
11396    }
11397
11398    @Override
11399    public void resetPreferredActivities(int userId) {
11400        mContext.enforceCallingOrSelfPermission(
11401                android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
11402        // writer
11403        synchronized (mPackages) {
11404            int user = UserHandle.getCallingUserId();
11405            clearPackagePreferredActivitiesLPw(null, user);
11406            mSettings.readDefaultPreferredAppsLPw(this, user);
11407            mSettings.writePackageRestrictionsLPr(user);
11408            scheduleWriteSettingsLocked();
11409        }
11410    }
11411
11412    @Override
11413    public int getPreferredActivities(List<IntentFilter> outFilters,
11414            List<ComponentName> outActivities, String packageName) {
11415
11416        int num = 0;
11417        final int userId = UserHandle.getCallingUserId();
11418        // reader
11419        synchronized (mPackages) {
11420            PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
11421            if (pir != null) {
11422                final Iterator<PreferredActivity> it = pir.filterIterator();
11423                while (it.hasNext()) {
11424                    final PreferredActivity pa = it.next();
11425                    if (packageName == null
11426                            || (pa.mPref.mComponent.getPackageName().equals(packageName)
11427                                    && pa.mPref.mAlways)) {
11428                        if (outFilters != null) {
11429                            outFilters.add(new IntentFilter(pa));
11430                        }
11431                        if (outActivities != null) {
11432                            outActivities.add(pa.mPref.mComponent);
11433                        }
11434                    }
11435                }
11436            }
11437        }
11438
11439        return num;
11440    }
11441
11442    @Override
11443    public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity,
11444            int userId) {
11445        int callingUid = Binder.getCallingUid();
11446        if (callingUid != Process.SYSTEM_UID) {
11447            throw new SecurityException(
11448                    "addPersistentPreferredActivity can only be run by the system");
11449        }
11450        if (filter.countActions() == 0) {
11451            Slog.w(TAG, "Cannot set a preferred activity with no filter actions");
11452            return;
11453        }
11454        synchronized (mPackages) {
11455            Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId +
11456                    " :");
11457            filter.dump(new LogPrinter(Log.INFO, TAG), "  ");
11458            mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter(
11459                    new PersistentPreferredActivity(filter, activity));
11460            mSettings.writePackageRestrictionsLPr(userId);
11461        }
11462    }
11463
11464    @Override
11465    public void clearPackagePersistentPreferredActivities(String packageName, int userId) {
11466        int callingUid = Binder.getCallingUid();
11467        if (callingUid != Process.SYSTEM_UID) {
11468            throw new SecurityException(
11469                    "clearPackagePersistentPreferredActivities can only be run by the system");
11470        }
11471        ArrayList<PersistentPreferredActivity> removed = null;
11472        boolean changed = false;
11473        synchronized (mPackages) {
11474            for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) {
11475                final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i);
11476                PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities
11477                        .valueAt(i);
11478                if (userId != thisUserId) {
11479                    continue;
11480                }
11481                Iterator<PersistentPreferredActivity> it = ppir.filterIterator();
11482                while (it.hasNext()) {
11483                    PersistentPreferredActivity ppa = it.next();
11484                    // Mark entry for removal only if it matches the package name.
11485                    if (ppa.mComponent.getPackageName().equals(packageName)) {
11486                        if (removed == null) {
11487                            removed = new ArrayList<PersistentPreferredActivity>();
11488                        }
11489                        removed.add(ppa);
11490                    }
11491                }
11492                if (removed != null) {
11493                    for (int j=0; j<removed.size(); j++) {
11494                        PersistentPreferredActivity ppa = removed.get(j);
11495                        ppir.removeFilter(ppa);
11496                    }
11497                    changed = true;
11498                }
11499            }
11500
11501            if (changed) {
11502                mSettings.writePackageRestrictionsLPr(userId);
11503            }
11504        }
11505    }
11506
11507    @Override
11508    public void addCrossProfileIntentFilter(IntentFilter intentFilter, int sourceUserId,
11509            int targetUserId, int flags) {
11510        mContext.enforceCallingOrSelfPermission(
11511                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
11512        if (intentFilter.countActions() == 0) {
11513            Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions");
11514            return;
11515        }
11516        synchronized (mPackages) {
11517            CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter,
11518                    targetUserId, flags);
11519            mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter);
11520            mSettings.writePackageRestrictionsLPr(sourceUserId);
11521        }
11522    }
11523
11524    public void addCrossProfileIntentsForPackage(String packageName,
11525            int sourceUserId, int targetUserId) {
11526        mContext.enforceCallingOrSelfPermission(
11527                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
11528        mSettings.addCrossProfilePackage(packageName, sourceUserId, targetUserId);
11529        mSettings.writePackageRestrictionsLPr(sourceUserId);
11530    }
11531
11532    public void removeCrossProfileIntentsForPackage(String packageName,
11533            int sourceUserId, int targetUserId) {
11534        mContext.enforceCallingOrSelfPermission(
11535                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
11536        mSettings.removeCrossProfilePackage(packageName, sourceUserId, targetUserId);
11537        mSettings.writePackageRestrictionsLPr(sourceUserId);
11538    }
11539
11540    @Override
11541    public void clearCrossProfileIntentFilters(int sourceUserId) {
11542        mContext.enforceCallingOrSelfPermission(
11543                        android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null);
11544        synchronized (mPackages) {
11545            CrossProfileIntentResolver resolver =
11546                    mSettings.editCrossProfileIntentResolverLPw(sourceUserId);
11547            HashSet<CrossProfileIntentFilter> set =
11548                    new HashSet<CrossProfileIntentFilter>(resolver.filterSet());
11549            for (CrossProfileIntentFilter filter : set) {
11550                if ((filter.getFlags() & PackageManager.SET_BY_PROFILE_OWNER) != 0) {
11551                    resolver.removeFilter(filter);
11552                }
11553            }
11554            mSettings.writePackageRestrictionsLPr(sourceUserId);
11555        }
11556    }
11557
11558    @Override
11559    public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) {
11560        Intent intent = new Intent(Intent.ACTION_MAIN);
11561        intent.addCategory(Intent.CATEGORY_HOME);
11562
11563        final int callingUserId = UserHandle.getCallingUserId();
11564        List<ResolveInfo> list = queryIntentActivities(intent, null,
11565                PackageManager.GET_META_DATA, callingUserId);
11566        ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0,
11567                true, false, false, callingUserId);
11568
11569        allHomeCandidates.clear();
11570        if (list != null) {
11571            for (ResolveInfo ri : list) {
11572                allHomeCandidates.add(ri);
11573            }
11574        }
11575        return (preferred == null || preferred.activityInfo == null)
11576                ? null
11577                : new ComponentName(preferred.activityInfo.packageName,
11578                        preferred.activityInfo.name);
11579    }
11580
11581    @Override
11582    public void setApplicationEnabledSetting(String appPackageName,
11583            int newState, int flags, int userId, String callingPackage) {
11584        if (!sUserManager.exists(userId)) return;
11585        if (callingPackage == null) {
11586            callingPackage = Integer.toString(Binder.getCallingUid());
11587        }
11588        setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage);
11589    }
11590
11591    @Override
11592    public void setComponentEnabledSetting(ComponentName componentName,
11593            int newState, int flags, int userId) {
11594        if (!sUserManager.exists(userId)) return;
11595        setEnabledSetting(componentName.getPackageName(),
11596                componentName.getClassName(), newState, flags, userId, null);
11597    }
11598
11599    private void setEnabledSetting(final String packageName, String className, int newState,
11600            final int flags, int userId, String callingPackage) {
11601        if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT
11602              || newState == COMPONENT_ENABLED_STATE_ENABLED
11603              || newState == COMPONENT_ENABLED_STATE_DISABLED
11604              || newState == COMPONENT_ENABLED_STATE_DISABLED_USER
11605              || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) {
11606            throw new IllegalArgumentException("Invalid new component state: "
11607                    + newState);
11608        }
11609        PackageSetting pkgSetting;
11610        final int uid = Binder.getCallingUid();
11611        final int permission = mContext.checkCallingOrSelfPermission(
11612                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
11613        enforceCrossUserPermission(uid, userId, false, "set enabled");
11614        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
11615        boolean sendNow = false;
11616        boolean isApp = (className == null);
11617        String componentName = isApp ? packageName : className;
11618        int packageUid = -1;
11619        ArrayList<String> components;
11620
11621        // writer
11622        synchronized (mPackages) {
11623            pkgSetting = mSettings.mPackages.get(packageName);
11624            if (pkgSetting == null) {
11625                if (className == null) {
11626                    throw new IllegalArgumentException(
11627                            "Unknown package: " + packageName);
11628                }
11629                throw new IllegalArgumentException(
11630                        "Unknown component: " + packageName
11631                        + "/" + className);
11632            }
11633            // Allow root and verify that userId is not being specified by a different user
11634            if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) {
11635                throw new SecurityException(
11636                        "Permission Denial: attempt to change component state from pid="
11637                        + Binder.getCallingPid()
11638                        + ", uid=" + uid + ", package uid=" + pkgSetting.appId);
11639            }
11640            if (className == null) {
11641                // We're dealing with an application/package level state change
11642                if (pkgSetting.getEnabled(userId) == newState) {
11643                    // Nothing to do
11644                    return;
11645                }
11646                if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT
11647                    || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) {
11648                    // Don't care about who enables an app.
11649                    callingPackage = null;
11650                }
11651                pkgSetting.setEnabled(newState, userId, callingPackage);
11652                // pkgSetting.pkg.mSetEnabled = newState;
11653            } else {
11654                // We're dealing with a component level state change
11655                // First, verify that this is a valid class name.
11656                PackageParser.Package pkg = pkgSetting.pkg;
11657                if (pkg == null || !pkg.hasComponentClassName(className)) {
11658                    if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) {
11659                        throw new IllegalArgumentException("Component class " + className
11660                                + " does not exist in " + packageName);
11661                    } else {
11662                        Slog.w(TAG, "Failed setComponentEnabledSetting: component class "
11663                                + className + " does not exist in " + packageName);
11664                    }
11665                }
11666                switch (newState) {
11667                case COMPONENT_ENABLED_STATE_ENABLED:
11668                    if (!pkgSetting.enableComponentLPw(className, userId)) {
11669                        return;
11670                    }
11671                    break;
11672                case COMPONENT_ENABLED_STATE_DISABLED:
11673                    if (!pkgSetting.disableComponentLPw(className, userId)) {
11674                        return;
11675                    }
11676                    break;
11677                case COMPONENT_ENABLED_STATE_DEFAULT:
11678                    if (!pkgSetting.restoreComponentLPw(className, userId)) {
11679                        return;
11680                    }
11681                    break;
11682                default:
11683                    Slog.e(TAG, "Invalid new component state: " + newState);
11684                    return;
11685                }
11686            }
11687            mSettings.writePackageRestrictionsLPr(userId);
11688            components = mPendingBroadcasts.get(userId, packageName);
11689            final boolean newPackage = components == null;
11690            if (newPackage) {
11691                components = new ArrayList<String>();
11692            }
11693            if (!components.contains(componentName)) {
11694                components.add(componentName);
11695            }
11696            if ((flags&PackageManager.DONT_KILL_APP) == 0) {
11697                sendNow = true;
11698                // Purge entry from pending broadcast list if another one exists already
11699                // since we are sending one right away.
11700                mPendingBroadcasts.remove(userId, packageName);
11701            } else {
11702                if (newPackage) {
11703                    mPendingBroadcasts.put(userId, packageName, components);
11704                }
11705                if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) {
11706                    // Schedule a message
11707                    mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY);
11708                }
11709            }
11710        }
11711
11712        long callingId = Binder.clearCallingIdentity();
11713        try {
11714            if (sendNow) {
11715                packageUid = UserHandle.getUid(userId, pkgSetting.appId);
11716                sendPackageChangedBroadcast(packageName,
11717                        (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid);
11718            }
11719        } finally {
11720            Binder.restoreCallingIdentity(callingId);
11721        }
11722    }
11723
11724    private void sendPackageChangedBroadcast(String packageName,
11725            boolean killFlag, ArrayList<String> componentNames, int packageUid) {
11726        if (DEBUG_INSTALL)
11727            Log.v(TAG, "Sending package changed: package=" + packageName + " components="
11728                    + componentNames);
11729        Bundle extras = new Bundle(4);
11730        extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0));
11731        String nameList[] = new String[componentNames.size()];
11732        componentNames.toArray(nameList);
11733        extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList);
11734        extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag);
11735        extras.putInt(Intent.EXTRA_UID, packageUid);
11736        sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED,  packageName, extras, null, null,
11737                new int[] {UserHandle.getUserId(packageUid)});
11738    }
11739
11740    @Override
11741    public void setPackageStoppedState(String packageName, boolean stopped, int userId) {
11742        if (!sUserManager.exists(userId)) return;
11743        final int uid = Binder.getCallingUid();
11744        final int permission = mContext.checkCallingOrSelfPermission(
11745                android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
11746        final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
11747        enforceCrossUserPermission(uid, userId, true, "stop package");
11748        // writer
11749        synchronized (mPackages) {
11750            if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission,
11751                    uid, userId)) {
11752                scheduleWritePackageRestrictionsLocked(userId);
11753            }
11754        }
11755    }
11756
11757    @Override
11758    public String getInstallerPackageName(String packageName) {
11759        // reader
11760        synchronized (mPackages) {
11761            return mSettings.getInstallerPackageNameLPr(packageName);
11762        }
11763    }
11764
11765    @Override
11766    public int getApplicationEnabledSetting(String packageName, int userId) {
11767        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
11768        int uid = Binder.getCallingUid();
11769        enforceCrossUserPermission(uid, userId, false, "get enabled");
11770        // reader
11771        synchronized (mPackages) {
11772            return mSettings.getApplicationEnabledSettingLPr(packageName, userId);
11773        }
11774    }
11775
11776    @Override
11777    public int getComponentEnabledSetting(ComponentName componentName, int userId) {
11778        if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
11779        int uid = Binder.getCallingUid();
11780        enforceCrossUserPermission(uid, userId, false, "get component enabled");
11781        // reader
11782        synchronized (mPackages) {
11783            return mSettings.getComponentEnabledSettingLPr(componentName, userId);
11784        }
11785    }
11786
11787    @Override
11788    public void enterSafeMode() {
11789        enforceSystemOrRoot("Only the system can request entering safe mode");
11790
11791        if (!mSystemReady) {
11792            mSafeMode = true;
11793        }
11794    }
11795
11796    @Override
11797    public void systemReady() {
11798        mSystemReady = true;
11799
11800        // Read the compatibilty setting when the system is ready.
11801        boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt(
11802                mContext.getContentResolver(),
11803                android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1;
11804        PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled);
11805        if (DEBUG_SETTINGS) {
11806            Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled);
11807        }
11808
11809        synchronized (mPackages) {
11810            // Verify that all of the preferred activity components actually
11811            // exist.  It is possible for applications to be updated and at
11812            // that point remove a previously declared activity component that
11813            // had been set as a preferred activity.  We try to clean this up
11814            // the next time we encounter that preferred activity, but it is
11815            // possible for the user flow to never be able to return to that
11816            // situation so here we do a sanity check to make sure we haven't
11817            // left any junk around.
11818            ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>();
11819            for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
11820                PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
11821                removed.clear();
11822                for (PreferredActivity pa : pir.filterSet()) {
11823                    if (mActivities.mActivities.get(pa.mPref.mComponent) == null) {
11824                        removed.add(pa);
11825                    }
11826                }
11827                if (removed.size() > 0) {
11828                    for (int r=0; r<removed.size(); r++) {
11829                        PreferredActivity pa = removed.get(r);
11830                        Slog.w(TAG, "Removing dangling preferred activity: "
11831                                + pa.mPref.mComponent);
11832                        pir.removeFilter(pa);
11833                    }
11834                    mSettings.writePackageRestrictionsLPr(
11835                            mSettings.mPreferredActivities.keyAt(i));
11836                }
11837            }
11838        }
11839        sUserManager.systemReady();
11840    }
11841
11842    @Override
11843    public boolean isSafeMode() {
11844        return mSafeMode;
11845    }
11846
11847    @Override
11848    public boolean hasSystemUidErrors() {
11849        return mHasSystemUidErrors;
11850    }
11851
11852    static String arrayToString(int[] array) {
11853        StringBuffer buf = new StringBuffer(128);
11854        buf.append('[');
11855        if (array != null) {
11856            for (int i=0; i<array.length; i++) {
11857                if (i > 0) buf.append(", ");
11858                buf.append(array[i]);
11859            }
11860        }
11861        buf.append(']');
11862        return buf.toString();
11863    }
11864
11865    static class DumpState {
11866        public static final int DUMP_LIBS = 1 << 0;
11867
11868        public static final int DUMP_FEATURES = 1 << 1;
11869
11870        public static final int DUMP_RESOLVERS = 1 << 2;
11871
11872        public static final int DUMP_PERMISSIONS = 1 << 3;
11873
11874        public static final int DUMP_PACKAGES = 1 << 4;
11875
11876        public static final int DUMP_SHARED_USERS = 1 << 5;
11877
11878        public static final int DUMP_MESSAGES = 1 << 6;
11879
11880        public static final int DUMP_PROVIDERS = 1 << 7;
11881
11882        public static final int DUMP_VERIFIERS = 1 << 8;
11883
11884        public static final int DUMP_PREFERRED = 1 << 9;
11885
11886        public static final int DUMP_PREFERRED_XML = 1 << 10;
11887
11888        public static final int DUMP_KEYSETS = 1 << 11;
11889
11890        public static final int DUMP_VERSION = 1 << 12;
11891
11892        public static final int OPTION_SHOW_FILTERS = 1 << 0;
11893
11894        private int mTypes;
11895
11896        private int mOptions;
11897
11898        private boolean mTitlePrinted;
11899
11900        private SharedUserSetting mSharedUser;
11901
11902        public boolean isDumping(int type) {
11903            if (mTypes == 0 && type != DUMP_PREFERRED_XML) {
11904                return true;
11905            }
11906
11907            return (mTypes & type) != 0;
11908        }
11909
11910        public void setDump(int type) {
11911            mTypes |= type;
11912        }
11913
11914        public boolean isOptionEnabled(int option) {
11915            return (mOptions & option) != 0;
11916        }
11917
11918        public void setOptionEnabled(int option) {
11919            mOptions |= option;
11920        }
11921
11922        public boolean onTitlePrinted() {
11923            final boolean printed = mTitlePrinted;
11924            mTitlePrinted = true;
11925            return printed;
11926        }
11927
11928        public boolean getTitlePrinted() {
11929            return mTitlePrinted;
11930        }
11931
11932        public void setTitlePrinted(boolean enabled) {
11933            mTitlePrinted = enabled;
11934        }
11935
11936        public SharedUserSetting getSharedUser() {
11937            return mSharedUser;
11938        }
11939
11940        public void setSharedUser(SharedUserSetting user) {
11941            mSharedUser = user;
11942        }
11943    }
11944
11945    @Override
11946    protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
11947        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
11948                != PackageManager.PERMISSION_GRANTED) {
11949            pw.println("Permission Denial: can't dump ActivityManager from from pid="
11950                    + Binder.getCallingPid()
11951                    + ", uid=" + Binder.getCallingUid()
11952                    + " without permission "
11953                    + android.Manifest.permission.DUMP);
11954            return;
11955        }
11956
11957        DumpState dumpState = new DumpState();
11958        boolean fullPreferred = false;
11959        boolean checkin = false;
11960
11961        String packageName = null;
11962
11963        int opti = 0;
11964        while (opti < args.length) {
11965            String opt = args[opti];
11966            if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') {
11967                break;
11968            }
11969            opti++;
11970            if ("-a".equals(opt)) {
11971                // Right now we only know how to print all.
11972            } else if ("-h".equals(opt)) {
11973                pw.println("Package manager dump options:");
11974                pw.println("  [-h] [-f] [--checkin] [cmd] ...");
11975                pw.println("    --checkin: dump for a checkin");
11976                pw.println("    -f: print details of intent filters");
11977                pw.println("    -h: print this help");
11978                pw.println("  cmd may be one of:");
11979                pw.println("    l[ibraries]: list known shared libraries");
11980                pw.println("    f[ibraries]: list device features");
11981                pw.println("    k[eysets]: print known keysets");
11982                pw.println("    r[esolvers]: dump intent resolvers");
11983                pw.println("    perm[issions]: dump permissions");
11984                pw.println("    pref[erred]: print preferred package settings");
11985                pw.println("    preferred-xml [--full]: print preferred package settings as xml");
11986                pw.println("    prov[iders]: dump content providers");
11987                pw.println("    p[ackages]: dump installed packages");
11988                pw.println("    s[hared-users]: dump shared user IDs");
11989                pw.println("    m[essages]: print collected runtime messages");
11990                pw.println("    v[erifiers]: print package verifier info");
11991                pw.println("    version: print database version info");
11992                pw.println("    write: write current settings now");
11993                pw.println("    <package.name>: info about given package");
11994                return;
11995            } else if ("--checkin".equals(opt)) {
11996                checkin = true;
11997            } else if ("-f".equals(opt)) {
11998                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
11999            } else {
12000                pw.println("Unknown argument: " + opt + "; use -h for help");
12001            }
12002        }
12003
12004        // Is the caller requesting to dump a particular piece of data?
12005        if (opti < args.length) {
12006            String cmd = args[opti];
12007            opti++;
12008            // Is this a package name?
12009            if ("android".equals(cmd) || cmd.contains(".")) {
12010                packageName = cmd;
12011                // When dumping a single package, we always dump all of its
12012                // filter information since the amount of data will be reasonable.
12013                dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
12014            } else if ("l".equals(cmd) || "libraries".equals(cmd)) {
12015                dumpState.setDump(DumpState.DUMP_LIBS);
12016            } else if ("f".equals(cmd) || "features".equals(cmd)) {
12017                dumpState.setDump(DumpState.DUMP_FEATURES);
12018            } else if ("r".equals(cmd) || "resolvers".equals(cmd)) {
12019                dumpState.setDump(DumpState.DUMP_RESOLVERS);
12020            } else if ("perm".equals(cmd) || "permissions".equals(cmd)) {
12021                dumpState.setDump(DumpState.DUMP_PERMISSIONS);
12022            } else if ("pref".equals(cmd) || "preferred".equals(cmd)) {
12023                dumpState.setDump(DumpState.DUMP_PREFERRED);
12024            } else if ("preferred-xml".equals(cmd)) {
12025                dumpState.setDump(DumpState.DUMP_PREFERRED_XML);
12026                if (opti < args.length && "--full".equals(args[opti])) {
12027                    fullPreferred = true;
12028                    opti++;
12029                }
12030            } else if ("p".equals(cmd) || "packages".equals(cmd)) {
12031                dumpState.setDump(DumpState.DUMP_PACKAGES);
12032            } else if ("s".equals(cmd) || "shared-users".equals(cmd)) {
12033                dumpState.setDump(DumpState.DUMP_SHARED_USERS);
12034            } else if ("prov".equals(cmd) || "providers".equals(cmd)) {
12035                dumpState.setDump(DumpState.DUMP_PROVIDERS);
12036            } else if ("m".equals(cmd) || "messages".equals(cmd)) {
12037                dumpState.setDump(DumpState.DUMP_MESSAGES);
12038            } else if ("v".equals(cmd) || "verifiers".equals(cmd)) {
12039                dumpState.setDump(DumpState.DUMP_VERIFIERS);
12040            } else if ("version".equals(cmd)) {
12041                dumpState.setDump(DumpState.DUMP_VERSION);
12042            } else if ("k".equals(cmd) || "keysets".equals(cmd)) {
12043                dumpState.setDump(DumpState.DUMP_KEYSETS);
12044            } else if ("write".equals(cmd)) {
12045                synchronized (mPackages) {
12046                    mSettings.writeLPr();
12047                    pw.println("Settings written.");
12048                    return;
12049                }
12050            }
12051        }
12052
12053        if (checkin) {
12054            pw.println("vers,1");
12055        }
12056
12057        // reader
12058        synchronized (mPackages) {
12059            if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) {
12060                if (!checkin) {
12061                    if (dumpState.onTitlePrinted())
12062                        pw.println();
12063                    pw.println("Database versions:");
12064                    pw.print("  SDK Version:");
12065                    pw.print(" internal=");
12066                    pw.print(mSettings.mInternalSdkPlatform);
12067                    pw.print(" external=");
12068                    pw.println(mSettings.mExternalSdkPlatform);
12069                    pw.print("  DB Version:");
12070                    pw.print(" internal=");
12071                    pw.print(mSettings.mInternalDatabaseVersion);
12072                    pw.print(" external=");
12073                    pw.println(mSettings.mExternalDatabaseVersion);
12074                }
12075            }
12076
12077            if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) {
12078                if (!checkin) {
12079                    if (dumpState.onTitlePrinted())
12080                        pw.println();
12081                    pw.println("Verifiers:");
12082                    pw.print("  Required: ");
12083                    pw.print(mRequiredVerifierPackage);
12084                    pw.print(" (uid=");
12085                    pw.print(getPackageUid(mRequiredVerifierPackage, 0));
12086                    pw.println(")");
12087                } else if (mRequiredVerifierPackage != null) {
12088                    pw.print("vrfy,"); pw.print(mRequiredVerifierPackage);
12089                    pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0));
12090                }
12091            }
12092
12093            if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) {
12094                boolean printedHeader = false;
12095                final Iterator<String> it = mSharedLibraries.keySet().iterator();
12096                while (it.hasNext()) {
12097                    String name = it.next();
12098                    SharedLibraryEntry ent = mSharedLibraries.get(name);
12099                    if (!checkin) {
12100                        if (!printedHeader) {
12101                            if (dumpState.onTitlePrinted())
12102                                pw.println();
12103                            pw.println("Libraries:");
12104                            printedHeader = true;
12105                        }
12106                        pw.print("  ");
12107                    } else {
12108                        pw.print("lib,");
12109                    }
12110                    pw.print(name);
12111                    if (!checkin) {
12112                        pw.print(" -> ");
12113                    }
12114                    if (ent.path != null) {
12115                        if (!checkin) {
12116                            pw.print("(jar) ");
12117                            pw.print(ent.path);
12118                        } else {
12119                            pw.print(",jar,");
12120                            pw.print(ent.path);
12121                        }
12122                    } else {
12123                        if (!checkin) {
12124                            pw.print("(apk) ");
12125                            pw.print(ent.apk);
12126                        } else {
12127                            pw.print(",apk,");
12128                            pw.print(ent.apk);
12129                        }
12130                    }
12131                    pw.println();
12132                }
12133            }
12134
12135            if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) {
12136                if (dumpState.onTitlePrinted())
12137                    pw.println();
12138                if (!checkin) {
12139                    pw.println("Features:");
12140                }
12141                Iterator<String> it = mAvailableFeatures.keySet().iterator();
12142                while (it.hasNext()) {
12143                    String name = it.next();
12144                    if (!checkin) {
12145                        pw.print("  ");
12146                    } else {
12147                        pw.print("feat,");
12148                    }
12149                    pw.println(name);
12150                }
12151            }
12152
12153            if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) {
12154                if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:"
12155                        : "Activity Resolver Table:", "  ", packageName,
12156                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12157                    dumpState.setTitlePrinted(true);
12158                }
12159                if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:"
12160                        : "Receiver Resolver Table:", "  ", packageName,
12161                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12162                    dumpState.setTitlePrinted(true);
12163                }
12164                if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:"
12165                        : "Service Resolver Table:", "  ", packageName,
12166                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12167                    dumpState.setTitlePrinted(true);
12168                }
12169                if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:"
12170                        : "Provider Resolver Table:", "  ", packageName,
12171                        dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
12172                    dumpState.setTitlePrinted(true);
12173                }
12174            }
12175
12176            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) {
12177                for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
12178                    PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
12179                    int user = mSettings.mPreferredActivities.keyAt(i);
12180                    if (pir.dump(pw,
12181                            dumpState.getTitlePrinted()
12182                                ? "\nPreferred Activities User " + user + ":"
12183                                : "Preferred Activities User " + user + ":", "  ",
12184                            packageName, true)) {
12185                        dumpState.setTitlePrinted(true);
12186                    }
12187                }
12188            }
12189
12190            if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) {
12191                pw.flush();
12192                FileOutputStream fout = new FileOutputStream(fd);
12193                BufferedOutputStream str = new BufferedOutputStream(fout);
12194                XmlSerializer serializer = new FastXmlSerializer();
12195                try {
12196                    serializer.setOutput(str, "utf-8");
12197                    serializer.startDocument(null, true);
12198                    serializer.setFeature(
12199                            "http://xmlpull.org/v1/doc/features.html#indent-output", true);
12200                    mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred);
12201                    serializer.endDocument();
12202                    serializer.flush();
12203                } catch (IllegalArgumentException e) {
12204                    pw.println("Failed writing: " + e);
12205                } catch (IllegalStateException e) {
12206                    pw.println("Failed writing: " + e);
12207                } catch (IOException e) {
12208                    pw.println("Failed writing: " + e);
12209                }
12210            }
12211
12212            if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) {
12213                mSettings.dumpPermissionsLPr(pw, packageName, dumpState);
12214            }
12215
12216            if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) {
12217                boolean printedSomething = false;
12218                for (PackageParser.Provider p : mProviders.mProviders.values()) {
12219                    if (packageName != null && !packageName.equals(p.info.packageName)) {
12220                        continue;
12221                    }
12222                    if (!printedSomething) {
12223                        if (dumpState.onTitlePrinted())
12224                            pw.println();
12225                        pw.println("Registered ContentProviders:");
12226                        printedSomething = true;
12227                    }
12228                    pw.print("  "); p.printComponentShortName(pw); pw.println(":");
12229                    pw.print("    "); pw.println(p.toString());
12230                }
12231                printedSomething = false;
12232                for (Map.Entry<String, PackageParser.Provider> entry :
12233                        mProvidersByAuthority.entrySet()) {
12234                    PackageParser.Provider p = entry.getValue();
12235                    if (packageName != null && !packageName.equals(p.info.packageName)) {
12236                        continue;
12237                    }
12238                    if (!printedSomething) {
12239                        if (dumpState.onTitlePrinted())
12240                            pw.println();
12241                        pw.println("ContentProvider Authorities:");
12242                        printedSomething = true;
12243                    }
12244                    pw.print("  ["); pw.print(entry.getKey()); pw.println("]:");
12245                    pw.print("    "); pw.println(p.toString());
12246                    if (p.info != null && p.info.applicationInfo != null) {
12247                        final String appInfo = p.info.applicationInfo.toString();
12248                        pw.print("      applicationInfo="); pw.println(appInfo);
12249                    }
12250                }
12251            }
12252
12253            if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) {
12254                mSettings.mKeySetManager.dump(pw, packageName, dumpState);
12255            }
12256
12257            if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) {
12258                mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin);
12259            }
12260
12261            if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) {
12262                mSettings.dumpSharedUsersLPr(pw, packageName, dumpState);
12263            }
12264
12265            if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) {
12266                if (dumpState.onTitlePrinted())
12267                    pw.println();
12268                mSettings.dumpReadMessagesLPr(pw, dumpState);
12269
12270                pw.println();
12271                pw.println("Package warning messages:");
12272                final File fname = getSettingsProblemFile();
12273                FileInputStream in = null;
12274                try {
12275                    in = new FileInputStream(fname);
12276                    final int avail = in.available();
12277                    final byte[] data = new byte[avail];
12278                    in.read(data);
12279                    pw.print(new String(data));
12280                } catch (FileNotFoundException e) {
12281                } catch (IOException e) {
12282                } finally {
12283                    if (in != null) {
12284                        try {
12285                            in.close();
12286                        } catch (IOException e) {
12287                        }
12288                    }
12289                }
12290            }
12291        }
12292    }
12293
12294    // ------- apps on sdcard specific code -------
12295    static final boolean DEBUG_SD_INSTALL = false;
12296
12297    private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD";
12298
12299    private static final String SD_ENCRYPTION_ALGORITHM = "AES";
12300
12301    private boolean mMediaMounted = false;
12302
12303    private String getEncryptKey() {
12304        try {
12305            String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString(
12306                    SD_ENCRYPTION_KEYSTORE_NAME);
12307            if (sdEncKey == null) {
12308                sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128,
12309                        SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME);
12310                if (sdEncKey == null) {
12311                    Slog.e(TAG, "Failed to create encryption keys");
12312                    return null;
12313                }
12314            }
12315            return sdEncKey;
12316        } catch (NoSuchAlgorithmException nsae) {
12317            Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae);
12318            return null;
12319        } catch (IOException ioe) {
12320            Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe);
12321            return null;
12322        }
12323
12324    }
12325
12326    /* package */static String getTempContainerId() {
12327        int tmpIdx = 1;
12328        String list[] = PackageHelper.getSecureContainerList();
12329        if (list != null) {
12330            for (final String name : list) {
12331                // Ignore null and non-temporary container entries
12332                if (name == null || !name.startsWith(mTempContainerPrefix)) {
12333                    continue;
12334                }
12335
12336                String subStr = name.substring(mTempContainerPrefix.length());
12337                try {
12338                    int cid = Integer.parseInt(subStr);
12339                    if (cid >= tmpIdx) {
12340                        tmpIdx = cid + 1;
12341                    }
12342                } catch (NumberFormatException e) {
12343                }
12344            }
12345        }
12346        return mTempContainerPrefix + tmpIdx;
12347    }
12348
12349    /*
12350     * Update media status on PackageManager.
12351     */
12352    @Override
12353    public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) {
12354        int callingUid = Binder.getCallingUid();
12355        if (callingUid != 0 && callingUid != Process.SYSTEM_UID) {
12356            throw new SecurityException("Media status can only be updated by the system");
12357        }
12358        // reader; this apparently protects mMediaMounted, but should probably
12359        // be a different lock in that case.
12360        synchronized (mPackages) {
12361            Log.i(TAG, "Updating external media status from "
12362                    + (mMediaMounted ? "mounted" : "unmounted") + " to "
12363                    + (mediaStatus ? "mounted" : "unmounted"));
12364            if (DEBUG_SD_INSTALL)
12365                Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus
12366                        + ", mMediaMounted=" + mMediaMounted);
12367            if (mediaStatus == mMediaMounted) {
12368                final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1
12369                        : 0, -1);
12370                mHandler.sendMessage(msg);
12371                return;
12372            }
12373            mMediaMounted = mediaStatus;
12374        }
12375        // Queue up an async operation since the package installation may take a
12376        // little while.
12377        mHandler.post(new Runnable() {
12378            public void run() {
12379                updateExternalMediaStatusInner(mediaStatus, reportStatus, true);
12380            }
12381        });
12382    }
12383
12384    /**
12385     * Called by MountService when the initial ASECs to scan are available.
12386     * Should block until all the ASEC containers are finished being scanned.
12387     */
12388    public void scanAvailableAsecs() {
12389        updateExternalMediaStatusInner(true, false, false);
12390        if (mShouldRestoreconData) {
12391            SELinuxMMAC.setRestoreconDone();
12392            mShouldRestoreconData = false;
12393        }
12394    }
12395
12396    /*
12397     * Collect information of applications on external media, map them against
12398     * existing containers and update information based on current mount status.
12399     * Please note that we always have to report status if reportStatus has been
12400     * set to true especially when unloading packages.
12401     */
12402    private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus,
12403            boolean externalStorage) {
12404        // Collection of uids
12405        int uidArr[] = null;
12406        // Collection of stale containers
12407        HashSet<String> removeCids = new HashSet<String>();
12408        // Collection of packages on external media with valid containers.
12409        HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>();
12410        // Get list of secure containers.
12411        final String list[] = PackageHelper.getSecureContainerList();
12412        if (list == null || list.length == 0) {
12413            Log.i(TAG, "No secure containers on sdcard");
12414        } else {
12415            // Process list of secure containers and categorize them
12416            // as active or stale based on their package internal state.
12417            int uidList[] = new int[list.length];
12418            int num = 0;
12419            // reader
12420            synchronized (mPackages) {
12421                for (String cid : list) {
12422                    if (DEBUG_SD_INSTALL)
12423                        Log.i(TAG, "Processing container " + cid);
12424                    String pkgName = getAsecPackageName(cid);
12425                    if (pkgName == null) {
12426                        if (DEBUG_SD_INSTALL)
12427                            Log.i(TAG, "Container : " + cid + " stale");
12428                        removeCids.add(cid);
12429                        continue;
12430                    }
12431                    if (DEBUG_SD_INSTALL)
12432                        Log.i(TAG, "Looking for pkg : " + pkgName);
12433
12434                    final PackageSetting ps = mSettings.mPackages.get(pkgName);
12435                    if (ps == null) {
12436                        Log.i(TAG, "Deleting container with no matching settings " + cid);
12437                        removeCids.add(cid);
12438                        continue;
12439                    }
12440
12441                    /*
12442                     * Skip packages that are not external if we're unmounting
12443                     * external storage.
12444                     */
12445                    if (externalStorage && !isMounted && !isExternal(ps)) {
12446                        continue;
12447                    }
12448
12449                    final AsecInstallArgs args = new AsecInstallArgs(cid,
12450                            getAppInstructionSetFromSettings(ps),
12451                            isForwardLocked(ps));
12452                    // The package status is changed only if the code path
12453                    // matches between settings and the container id.
12454                    if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) {
12455                        if (DEBUG_SD_INSTALL) {
12456                            Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName
12457                                    + " at code path: " + ps.codePathString);
12458                        }
12459
12460                        // We do have a valid package installed on sdcard
12461                        processCids.put(args, ps.codePathString);
12462                        final int uid = ps.appId;
12463                        if (uid != -1) {
12464                            uidList[num++] = uid;
12465                        }
12466                    } else {
12467                        Log.i(TAG, "Deleting stale container for " + cid);
12468                        removeCids.add(cid);
12469                    }
12470                }
12471            }
12472
12473            if (num > 0) {
12474                // Sort uid list
12475                Arrays.sort(uidList, 0, num);
12476                // Throw away duplicates
12477                uidArr = new int[num];
12478                uidArr[0] = uidList[0];
12479                int di = 0;
12480                for (int i = 1; i < num; i++) {
12481                    if (uidList[i - 1] != uidList[i]) {
12482                        uidArr[di++] = uidList[i];
12483                    }
12484                }
12485            }
12486        }
12487        // Process packages with valid entries.
12488        if (isMounted) {
12489            if (DEBUG_SD_INSTALL)
12490                Log.i(TAG, "Loading packages");
12491            loadMediaPackages(processCids, uidArr, removeCids);
12492            startCleaningPackages();
12493        } else {
12494            if (DEBUG_SD_INSTALL)
12495                Log.i(TAG, "Unloading packages");
12496            unloadMediaPackages(processCids, uidArr, reportStatus);
12497        }
12498    }
12499
12500   private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing,
12501           ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) {
12502        int size = pkgList.size();
12503        if (size > 0) {
12504            // Send broadcasts here
12505            Bundle extras = new Bundle();
12506            extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList
12507                    .toArray(new String[size]));
12508            if (uidArr != null) {
12509                extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr);
12510            }
12511            if (replacing) {
12512                extras.putBoolean(Intent.EXTRA_REPLACING, replacing);
12513            }
12514            String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE
12515                    : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE;
12516            sendPackageBroadcast(action, null, extras, null, finishedReceiver, null);
12517        }
12518    }
12519
12520   /*
12521     * Look at potentially valid container ids from processCids If package
12522     * information doesn't match the one on record or package scanning fails,
12523     * the cid is added to list of removeCids. We currently don't delete stale
12524     * containers.
12525     */
12526   private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[],
12527            HashSet<String> removeCids) {
12528        ArrayList<String> pkgList = new ArrayList<String>();
12529        Set<AsecInstallArgs> keys = processCids.keySet();
12530        boolean doGc = false;
12531        for (AsecInstallArgs args : keys) {
12532            String codePath = processCids.get(args);
12533            if (DEBUG_SD_INSTALL)
12534                Log.i(TAG, "Loading container : " + args.cid);
12535            int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
12536            try {
12537                // Make sure there are no container errors first.
12538                if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) {
12539                    Slog.e(TAG, "Failed to mount cid : " + args.cid
12540                            + " when installing from sdcard");
12541                    continue;
12542                }
12543                // Check code path here.
12544                if (codePath == null || !codePath.equals(args.getCodePath())) {
12545                    Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath()
12546                            + " does not match one in settings " + codePath);
12547                    continue;
12548                }
12549                // Parse package
12550                int parseFlags = mDefParseFlags;
12551                if (args.isExternal()) {
12552                    parseFlags |= PackageParser.PARSE_ON_SDCARD;
12553                }
12554                if (args.isFwdLocked()) {
12555                    parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
12556                }
12557
12558                doGc = true;
12559                synchronized (mInstallLock) {
12560                    final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags,
12561                            0, 0, null, null);
12562                    // Scan the package
12563                    if (pkg != null) {
12564                        /*
12565                         * TODO why is the lock being held? doPostInstall is
12566                         * called in other places without the lock. This needs
12567                         * to be straightened out.
12568                         */
12569                        // writer
12570                        synchronized (mPackages) {
12571                            retCode = PackageManager.INSTALL_SUCCEEDED;
12572                            pkgList.add(pkg.packageName);
12573                            // Post process args
12574                            args.doPostInstall(PackageManager.INSTALL_SUCCEEDED,
12575                                    pkg.applicationInfo.uid);
12576                        }
12577                    } else {
12578                        Slog.i(TAG, "Failed to install pkg from  " + codePath + " from sdcard");
12579                    }
12580                }
12581
12582            } finally {
12583                if (retCode != PackageManager.INSTALL_SUCCEEDED) {
12584                    // Don't destroy container here. Wait till gc clears things
12585                    // up.
12586                    removeCids.add(args.cid);
12587                }
12588            }
12589        }
12590        // writer
12591        synchronized (mPackages) {
12592            // If the platform SDK has changed since the last time we booted,
12593            // we need to re-grant app permission to catch any new ones that
12594            // appear. This is really a hack, and means that apps can in some
12595            // cases get permissions that the user didn't initially explicitly
12596            // allow... it would be nice to have some better way to handle
12597            // this situation.
12598            final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion;
12599            if (regrantPermissions)
12600                Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to "
12601                        + mSdkVersion + "; regranting permissions for external storage");
12602            mSettings.mExternalSdkPlatform = mSdkVersion;
12603
12604            // Make sure group IDs have been assigned, and any permission
12605            // changes in other apps are accounted for
12606            updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
12607                    | (regrantPermissions
12608                            ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
12609                            : 0));
12610
12611            mSettings.updateExternalDatabaseVersion();
12612
12613            // can downgrade to reader
12614            // Persist settings
12615            mSettings.writeLPr();
12616        }
12617        // Send a broadcast to let everyone know we are done processing
12618        if (pkgList.size() > 0) {
12619            sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null);
12620        }
12621        // Force gc to avoid any stale parser references that we might have.
12622        if (doGc) {
12623            Runtime.getRuntime().gc();
12624        }
12625        // List stale containers and destroy stale temporary containers.
12626        if (removeCids != null) {
12627            for (String cid : removeCids) {
12628                if (cid.startsWith(mTempContainerPrefix)) {
12629                    Log.i(TAG, "Destroying stale temporary container " + cid);
12630                    PackageHelper.destroySdDir(cid);
12631                } else {
12632                    Log.w(TAG, "Container " + cid + " is stale");
12633               }
12634           }
12635        }
12636    }
12637
12638   /*
12639     * Utility method to unload a list of specified containers
12640     */
12641    private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) {
12642        // Just unmount all valid containers.
12643        for (AsecInstallArgs arg : cidArgs) {
12644            synchronized (mInstallLock) {
12645                arg.doPostDeleteLI(false);
12646           }
12647       }
12648   }
12649
12650    /*
12651     * Unload packages mounted on external media. This involves deleting package
12652     * data from internal structures, sending broadcasts about diabled packages,
12653     * gc'ing to free up references, unmounting all secure containers
12654     * corresponding to packages on external media, and posting a
12655     * UPDATED_MEDIA_STATUS message if status has been requested. Please note
12656     * that we always have to post this message if status has been requested no
12657     * matter what.
12658     */
12659    private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[],
12660            final boolean reportStatus) {
12661        if (DEBUG_SD_INSTALL)
12662            Log.i(TAG, "unloading media packages");
12663        ArrayList<String> pkgList = new ArrayList<String>();
12664        ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>();
12665        final Set<AsecInstallArgs> keys = processCids.keySet();
12666        for (AsecInstallArgs args : keys) {
12667            String pkgName = args.getPackageName();
12668            if (DEBUG_SD_INSTALL)
12669                Log.i(TAG, "Trying to unload pkg : " + pkgName);
12670            // Delete package internally
12671            PackageRemovedInfo outInfo = new PackageRemovedInfo();
12672            synchronized (mInstallLock) {
12673                boolean res = deletePackageLI(pkgName, null, false, null, null,
12674                        PackageManager.DELETE_KEEP_DATA, outInfo, false);
12675                if (res) {
12676                    pkgList.add(pkgName);
12677                } else {
12678                    Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName);
12679                    failedList.add(args);
12680                }
12681            }
12682        }
12683
12684        // reader
12685        synchronized (mPackages) {
12686            // We didn't update the settings after removing each package;
12687            // write them now for all packages.
12688            mSettings.writeLPr();
12689        }
12690
12691        // We have to absolutely send UPDATED_MEDIA_STATUS only
12692        // after confirming that all the receivers processed the ordered
12693        // broadcast when packages get disabled, force a gc to clean things up.
12694        // and unload all the containers.
12695        if (pkgList.size() > 0) {
12696            sendResourcesChangedBroadcast(false, false, pkgList, uidArr,
12697                    new IIntentReceiver.Stub() {
12698                public void performReceive(Intent intent, int resultCode, String data,
12699                        Bundle extras, boolean ordered, boolean sticky,
12700                        int sendingUser) throws RemoteException {
12701                    Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
12702                            reportStatus ? 1 : 0, 1, keys);
12703                    mHandler.sendMessage(msg);
12704                }
12705            });
12706        } else {
12707            Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1,
12708                    keys);
12709            mHandler.sendMessage(msg);
12710        }
12711    }
12712
12713    /** Binder call */
12714    @Override
12715    public void movePackage(final String packageName, final IPackageMoveObserver observer,
12716            final int flags) {
12717        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
12718        UserHandle user = new UserHandle(UserHandle.getCallingUserId());
12719        int returnCode = PackageManager.MOVE_SUCCEEDED;
12720        int currFlags = 0;
12721        int newFlags = 0;
12722        // reader
12723        synchronized (mPackages) {
12724            PackageParser.Package pkg = mPackages.get(packageName);
12725            if (pkg == null) {
12726                returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
12727            } else {
12728                // Disable moving fwd locked apps and system packages
12729                if (pkg.applicationInfo != null && isSystemApp(pkg)) {
12730                    Slog.w(TAG, "Cannot move system application");
12731                    returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE;
12732                } else if (pkg.mOperationPending) {
12733                    Slog.w(TAG, "Attempt to move package which has pending operations");
12734                    returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING;
12735                } else {
12736                    // Find install location first
12737                    if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0
12738                            && (flags & PackageManager.MOVE_INTERNAL) != 0) {
12739                        Slog.w(TAG, "Ambigous flags specified for move location.");
12740                        returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION;
12741                    } else {
12742                        newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL
12743                                : PackageManager.INSTALL_INTERNAL;
12744                        currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL
12745                                : PackageManager.INSTALL_INTERNAL;
12746
12747                        if (newFlags == currFlags) {
12748                            Slog.w(TAG, "No move required. Trying to move to same location");
12749                            returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION;
12750                        } else {
12751                            if (isForwardLocked(pkg)) {
12752                                currFlags |= PackageManager.INSTALL_FORWARD_LOCK;
12753                                newFlags |= PackageManager.INSTALL_FORWARD_LOCK;
12754                            }
12755                        }
12756                    }
12757                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
12758                        pkg.mOperationPending = true;
12759                    }
12760                }
12761            }
12762
12763            /*
12764             * TODO this next block probably shouldn't be inside the lock. We
12765             * can't guarantee these won't change after this is fired off
12766             * anyway.
12767             */
12768            if (returnCode != PackageManager.MOVE_SUCCEEDED) {
12769                processPendingMove(new MoveParams(null, observer, 0, packageName, null,
12770                        null, -1, user),
12771                        returnCode);
12772            } else {
12773                Message msg = mHandler.obtainMessage(INIT_COPY);
12774                final String instructionSet = getAppInstructionSet(pkg.applicationInfo);
12775                InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir,
12776                        pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir,
12777                        instructionSet);
12778                MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName,
12779                        pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user);
12780                msg.obj = mp;
12781                mHandler.sendMessage(msg);
12782            }
12783        }
12784    }
12785
12786    private void processPendingMove(final MoveParams mp, final int currentStatus) {
12787        // Queue up an async operation since the package deletion may take a
12788        // little while.
12789        mHandler.post(new Runnable() {
12790            public void run() {
12791                // TODO fix this; this does nothing.
12792                mHandler.removeCallbacks(this);
12793                int returnCode = currentStatus;
12794                if (currentStatus == PackageManager.MOVE_SUCCEEDED) {
12795                    int uidArr[] = null;
12796                    ArrayList<String> pkgList = null;
12797                    synchronized (mPackages) {
12798                        PackageParser.Package pkg = mPackages.get(mp.packageName);
12799                        if (pkg == null) {
12800                            Slog.w(TAG, " Package " + mp.packageName
12801                                    + " doesn't exist. Aborting move");
12802                            returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
12803                        } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) {
12804                            Slog.w(TAG, "Package " + mp.packageName + " code path changed from "
12805                                    + mp.srcArgs.getCodePath() + " to "
12806                                    + pkg.applicationInfo.sourceDir
12807                                    + " Aborting move and returning error");
12808                            returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
12809                        } else {
12810                            uidArr = new int[] {
12811                                pkg.applicationInfo.uid
12812                            };
12813                            pkgList = new ArrayList<String>();
12814                            pkgList.add(mp.packageName);
12815                        }
12816                    }
12817                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
12818                        // Send resources unavailable broadcast
12819                        sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null);
12820                        // Update package code and resource paths
12821                        synchronized (mInstallLock) {
12822                            synchronized (mPackages) {
12823                                PackageParser.Package pkg = mPackages.get(mp.packageName);
12824                                // Recheck for package again.
12825                                if (pkg == null) {
12826                                    Slog.w(TAG, " Package " + mp.packageName
12827                                            + " doesn't exist. Aborting move");
12828                                    returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
12829                                } else if (!mp.srcArgs.getCodePath().equals(
12830                                        pkg.applicationInfo.sourceDir)) {
12831                                    Slog.w(TAG, "Package " + mp.packageName
12832                                            + " code path changed from " + mp.srcArgs.getCodePath()
12833                                            + " to " + pkg.applicationInfo.sourceDir
12834                                            + " Aborting move and returning error");
12835                                    returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
12836                                } else {
12837                                    final String oldCodePath = pkg.codePath;
12838                                    final String newCodePath = mp.targetArgs.getCodePath();
12839                                    final String newResPath = mp.targetArgs.getResourcePath();
12840                                    final String newNativePath = mp.targetArgs
12841                                            .getNativeLibraryPath();
12842
12843                                    final File newNativeDir = new File(newNativePath);
12844
12845                                    if (!isForwardLocked(pkg) && !isExternal(pkg)) {
12846                                        ApkHandle handle = null;
12847                                        try {
12848                                            handle = ApkHandle.create(newCodePath);
12849                                            final int abi = NativeLibraryHelper.findSupportedAbi(
12850                                                    handle, Build.SUPPORTED_ABIS);
12851                                            if (abi >= 0) {
12852                                                NativeLibraryHelper.copyNativeBinariesIfNeededLI(
12853                                                        handle, newNativeDir, Build.SUPPORTED_ABIS[abi]);
12854                                            }
12855                                        } catch (IOException ioe) {
12856                                            Slog.w(TAG, "Unable to extract native libs for package :"
12857                                                    + mp.packageName, ioe);
12858                                            returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
12859                                        } finally {
12860                                            IoUtils.closeQuietly(handle);
12861                                        }
12862                                    }
12863                                    final int[] users = sUserManager.getUserIds();
12864                                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
12865                                        for (int user : users) {
12866                                            if (mInstaller.linkNativeLibraryDirectory(pkg.packageName,
12867                                                    newNativePath, user) < 0) {
12868                                                returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE;
12869                                            }
12870                                        }
12871                                    }
12872
12873                                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
12874                                        pkg.codePath = newCodePath;
12875                                        // Move dex files around
12876                                        if (moveDexFilesLI(oldCodePath, pkg) != PackageManager.INSTALL_SUCCEEDED) {
12877                                            // Moving of dex files failed. Set
12878                                            // error code and abort move.
12879                                            pkg.codePath = oldCodePath;
12880                                            returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE;
12881                                        }
12882                                    }
12883
12884                                    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
12885                                        pkg.applicationInfo.sourceDir = newCodePath;
12886                                        pkg.applicationInfo.publicSourceDir = newResPath;
12887                                        pkg.applicationInfo.nativeLibraryDir = newNativePath;
12888                                        PackageSetting ps = (PackageSetting) pkg.mExtras;
12889                                        ps.codePath = new File(pkg.applicationInfo.sourceDir);
12890                                        ps.codePathString = ps.codePath.getPath();
12891                                        ps.resourcePath = new File(
12892                                                pkg.applicationInfo.publicSourceDir);
12893                                        ps.resourcePathString = ps.resourcePath.getPath();
12894                                        ps.nativeLibraryPathString = newNativePath;
12895                                        // Set the application info flag
12896                                        // correctly.
12897                                        if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) {
12898                                            pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE;
12899                                        } else {
12900                                            pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE;
12901                                        }
12902                                        ps.setFlags(pkg.applicationInfo.flags);
12903                                        mAppDirs.remove(oldCodePath);
12904                                        mAppDirs.put(newCodePath, pkg);
12905                                        // Persist settings
12906                                        mSettings.writeLPr();
12907                                    }
12908                                }
12909                            }
12910                        }
12911                        // Send resources available broadcast
12912                        sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null);
12913                    }
12914                }
12915                if (returnCode != PackageManager.MOVE_SUCCEEDED) {
12916                    // Clean up failed installation
12917                    if (mp.targetArgs != null) {
12918                        mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR,
12919                                -1);
12920                    }
12921                } else {
12922                    // Force a gc to clear things up.
12923                    Runtime.getRuntime().gc();
12924                    // Delete older code
12925                    synchronized (mInstallLock) {
12926                        mp.srcArgs.doPostDeleteLI(true);
12927                    }
12928                }
12929
12930                // Allow more operations on this file if we didn't fail because
12931                // an operation was already pending for this package.
12932                if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) {
12933                    synchronized (mPackages) {
12934                        PackageParser.Package pkg = mPackages.get(mp.packageName);
12935                        if (pkg != null) {
12936                            pkg.mOperationPending = false;
12937                       }
12938                   }
12939                }
12940
12941                IPackageMoveObserver observer = mp.observer;
12942                if (observer != null) {
12943                    try {
12944                        observer.packageMoved(mp.packageName, returnCode);
12945                    } catch (RemoteException e) {
12946                        Log.i(TAG, "Observer no longer exists.");
12947                    }
12948                }
12949            }
12950        });
12951    }
12952
12953    @Override
12954    public boolean setInstallLocation(int loc) {
12955        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS,
12956                null);
12957        if (getInstallLocation() == loc) {
12958            return true;
12959        }
12960        if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL
12961                || loc == PackageHelper.APP_INSTALL_EXTERNAL) {
12962            android.provider.Settings.Global.putInt(mContext.getContentResolver(),
12963                    android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc);
12964            return true;
12965        }
12966        return false;
12967   }
12968
12969    @Override
12970    public int getInstallLocation() {
12971        return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
12972                android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION,
12973                PackageHelper.APP_INSTALL_AUTO);
12974    }
12975
12976    /** Called by UserManagerService */
12977    void cleanUpUserLILPw(int userHandle) {
12978        mDirtyUsers.remove(userHandle);
12979        mSettings.removeUserLPr(userHandle);
12980        mPendingBroadcasts.remove(userHandle);
12981        if (mInstaller != null) {
12982            // Technically, we shouldn't be doing this with the package lock
12983            // held.  However, this is very rare, and there is already so much
12984            // other disk I/O going on, that we'll let it slide for now.
12985            mInstaller.removeUserDataDirs(userHandle);
12986        }
12987    }
12988
12989    /** Called by UserManagerService */
12990    void createNewUserLILPw(int userHandle, File path) {
12991        if (mInstaller != null) {
12992            mSettings.createNewUserLILPw(this, mInstaller, userHandle, path);
12993        }
12994    }
12995
12996    @Override
12997    public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException {
12998        mContext.enforceCallingOrSelfPermission(
12999                android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
13000                "Only package verification agents can read the verifier device identity");
13001
13002        synchronized (mPackages) {
13003            return mSettings.getVerifierDeviceIdentityLPw();
13004        }
13005    }
13006
13007    @Override
13008    public void setPermissionEnforced(String permission, boolean enforced) {
13009        mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null);
13010        if (READ_EXTERNAL_STORAGE.equals(permission)) {
13011            synchronized (mPackages) {
13012                if (mSettings.mReadExternalStorageEnforced == null
13013                        || mSettings.mReadExternalStorageEnforced != enforced) {
13014                    mSettings.mReadExternalStorageEnforced = enforced;
13015                    mSettings.writeLPr();
13016                }
13017            }
13018            // kill any non-foreground processes so we restart them and
13019            // grant/revoke the GID.
13020            final IActivityManager am = ActivityManagerNative.getDefault();
13021            if (am != null) {
13022                final long token = Binder.clearCallingIdentity();
13023                try {
13024                    am.killProcessesBelowForeground("setPermissionEnforcement");
13025                } catch (RemoteException e) {
13026                } finally {
13027                    Binder.restoreCallingIdentity(token);
13028                }
13029            }
13030        } else {
13031            throw new IllegalArgumentException("No selective enforcement for " + permission);
13032        }
13033    }
13034
13035    @Override
13036    @Deprecated
13037    public boolean isPermissionEnforced(String permission) {
13038        return true;
13039    }
13040
13041    @Override
13042    public boolean isStorageLow() {
13043        final long token = Binder.clearCallingIdentity();
13044        try {
13045            final DeviceStorageMonitorInternal
13046                    dsm = LocalServices.getService(DeviceStorageMonitorInternal.class);
13047            if (dsm != null) {
13048                return dsm.isMemoryLow();
13049            } else {
13050                return false;
13051            }
13052        } finally {
13053            Binder.restoreCallingIdentity(token);
13054        }
13055    }
13056
13057    @Override
13058    public IPackageInstaller getPackageInstaller() {
13059        return mInstallerService;
13060    }
13061}
13062